Mercurial Repositories > eric / file comparison
comparison: WebBrowser/WebBrowserView.py
WebBrowser/WebBrowserView.py
- branch
- QtWebEngine
- changeset 4710
- 370a38e03efe
- parent 4631
- 5c1a96925da4
- child 4711
- 0a9162801b8d
equal
deleted
inserted
replaced
| 4709:8612533a223f | 4710:370a38e03efe |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2008 - 2016 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 | |
| 7 """ | |
| 8 Module implementing the helpbrowser using QWebView. | |
| 9 """ | |
| 10 | |
| 11 from __future__ import unicode_literals | |
| 12 try: | |
| 13 str = unicode | |
| 14 except NameError: | |
| 15 pass | |
| 16 | |
| 17 from PyQt5.QtCore import pyqtSlot, pyqtSignal, QObject, QT_TRANSLATE_NOOP, \ | |
| 18 QUrl, QBuffer, QIODevice, QFileInfo, Qt, QTimer, QEvent, \ | |
| 19 QRect, QFile, QPoint, QByteArray, qVersion | |
| 20 from PyQt5.QtGui import QDesktopServices, QClipboard, QMouseEvent, QColor, \ | |
| 21 QPalette | |
| 22 from PyQt5.QtWidgets import qApp, QStyle, QMenu, QApplication, QInputDialog, \ | |
| 23 QLineEdit, QLabel, QToolTip, QFrame, QDialog | |
| 24 from PyQt5.QtPrintSupport import QPrinter, QPrintDialog | |
| 25 from PyQt5.QtWebKit import QWebSettings | |
| 26 from PyQt5.QtWebKitWidgets import QWebView, QWebPage | |
| 27 try: | |
| 28 from PyQt5.QtWebKit import QWebElement | |
| 29 except ImportError: | |
| 30 pass | |
| 31 from PyQt5.QtNetwork import QNetworkReply, QNetworkRequest | |
| 32 import sip | |
| 33 | |
| 34 from E5Gui import E5MessageBox, E5FileDialog | |
| 35 | |
| 36 import Helpviewer | |
| 37 | |
| 38 import Preferences | |
| 39 import UI.PixmapCache | |
| 40 import Globals | |
| 41 | |
| 42 try: | |
| 43 from PyQt5.QtNetwork import QSslCertificate | |
| 44 SSL_AVAILABLE = True | |
| 45 except ImportError: | |
| 46 SSL_AVAILABLE = False | |
| 47 | |
| 48 ############################################################################### | |
| 49 | |
| 50 | |
| 51 class JavaScriptExternalObject(QObject): | |
| 52 """ | |
| 53 Class implementing an external javascript object to add search providers. | |
| 54 """ | |
| 55 def __init__(self, mw, parent=None): | |
| 56 """ | |
| 57 Constructor | |
| 58 | |
| 59 @param mw reference to the main window 8HelpWindow) | |
| 60 @param parent reference to the parent object (QObject) | |
| 61 """ | |
| 62 super(JavaScriptExternalObject, self).__init__(parent) | |
| 63 | |
| 64 self.__mw = mw | |
| 65 | |
| 66 @pyqtSlot(str) | |
| 67 def AddSearchProvider(self, url): | |
| 68 """ | |
| 69 Public slot to add a search provider. | |
| 70 | |
| 71 @param url url of the XML file defining the search provider (string) | |
| 72 """ | |
| 73 self.__mw.openSearchManager().addEngine(QUrl(url)) | |
| 74 | |
| 75 | |
| 76 class LinkedResource(object): | |
| 77 """ | |
| 78 Class defining a data structure for linked resources. | |
| 79 """ | |
| 80 def __init__(self): | |
| 81 """ | |
| 82 Constructor | |
| 83 """ | |
| 84 self.rel = "" | |
| 85 self.type_ = "" | |
| 86 self.href = "" | |
| 87 self.title = "" | |
| 88 | |
| 89 ############################################################################### | |
| 90 | |
| 91 | |
| 92 class JavaScriptEricObject(QObject): | |
| 93 """ | |
| 94 Class implementing an external javascript object to search via the | |
| 95 startpage. | |
| 96 """ | |
| 97 # these must be in line with the strings used by the javascript part of | |
| 98 # the start page | |
| 99 translations = [ | |
| 100 QT_TRANSLATE_NOOP("JavaScriptEricObject", | |
| 101 "Welcome to eric6 Web Browser!"), | |
| 102 QT_TRANSLATE_NOOP("JavaScriptEricObject", "eric6 Web Browser"), | |
| 103 QT_TRANSLATE_NOOP("JavaScriptEricObject", "Search!"), | |
| 104 QT_TRANSLATE_NOOP("JavaScriptEricObject", "About eric6"), | |
| 105 ] | |
| 106 | |
| 107 def __init__(self, mw, parent=None): | |
| 108 """ | |
| 109 Constructor | |
| 110 | |
| 111 @param mw reference to the main window 8HelpWindow) | |
| 112 @param parent reference to the parent object (QObject) | |
| 113 """ | |
| 114 super(JavaScriptEricObject, self).__init__(parent) | |
| 115 | |
| 116 self.__mw = mw | |
| 117 | |
| 118 @pyqtSlot(str, result=str) | |
| 119 def translate(self, trans): | |
| 120 """ | |
| 121 Public method to translate the given string. | |
| 122 | |
| 123 @param trans string to be translated (string) | |
| 124 @return translation (string) | |
| 125 """ | |
| 126 if trans == "QT_LAYOUT_DIRECTION": | |
| 127 # special handling to detect layout direction | |
| 128 if qApp.isLeftToRight(): | |
| 129 return "LTR" | |
| 130 else: | |
| 131 return "RTL" | |
| 132 | |
| 133 return self.tr(trans) | |
| 134 | |
| 135 @pyqtSlot(result=str) | |
| 136 def providerString(self): | |
| 137 """ | |
| 138 Public method to get a string for the search provider. | |
| 139 | |
| 140 @return string for the search provider (string) | |
| 141 """ | |
| 142 return self.tr("Search results provided by {0}")\ | |
| 143 .format(self.__mw.openSearchManager().currentEngineName()) | |
| 144 | |
| 145 @pyqtSlot(str, result=str) | |
| 146 def searchUrl(self, searchStr): | |
| 147 """ | |
| 148 Public method to get the search URL for the given search term. | |
| 149 | |
| 150 @param searchStr search term (string) | |
| 151 @return search URL (string) | |
| 152 """ | |
| 153 return bytes( | |
| 154 self.__mw.openSearchManager().currentEngine() | |
| 155 .searchUrl(searchStr).toEncoded()).decode() | |
| 156 | |
| 157 ############################################################################### | |
| 158 | |
| 159 | |
| 160 class HelpWebPage(QWebPage): | |
| 161 """ | |
| 162 Class implementing an enhanced web page. | |
| 163 """ | |
| 164 _webPluginFactory = None | |
| 165 | |
| 166 def __init__(self, parent=None): | |
| 167 """ | |
| 168 Constructor | |
| 169 | |
| 170 @param parent parent widget of this window (QWidget) | |
| 171 """ | |
| 172 super(HelpWebPage, self).__init__(parent) | |
| 173 | |
| 174 self.setPluginFactory(self.webPluginFactory()) | |
| 175 | |
| 176 self.__lastRequest = None | |
| 177 self.__lastRequestType = QWebPage.NavigationTypeOther | |
| 178 | |
| 179 import Helpviewer.HelpWindow | |
| 180 from .Network.NetworkAccessManagerProxy import \ | |
| 181 NetworkAccessManagerProxy | |
| 182 self.__proxy = NetworkAccessManagerProxy(self) | |
| 183 self.__proxy.setWebPage(self) | |
| 184 self.__proxy.setPrimaryNetworkAccessManager( | |
| 185 Helpviewer.HelpWindow.HelpWindow.networkAccessManager()) | |
| 186 self.setNetworkAccessManager(self.__proxy) | |
| 187 | |
| 188 self.__sslConfiguration = None | |
| 189 self.__proxy.finished.connect(self.__managerFinished) | |
| 190 | |
| 191 self.__adBlockedEntries = [] | |
| 192 self.loadStarted.connect(self.__loadStarted) | |
| 193 | |
| 194 self.saveFrameStateRequested.connect( | |
| 195 self.__saveFrameStateRequested) | |
| 196 self.restoreFrameStateRequested.connect( | |
| 197 self.__restoreFrameStateRequested) | |
| 198 | |
| 199 def acceptNavigationRequest(self, frame, request, type_): | |
| 200 """ | |
| 201 Public method to determine, if a request may be accepted. | |
| 202 | |
| 203 @param frame reference to the frame sending the request (QWebFrame) | |
| 204 @param request reference to the request object (QNetworkRequest) | |
| 205 @param type_ type of the navigation request (QWebPage.NavigationType) | |
| 206 @return flag indicating acceptance (boolean) | |
| 207 """ | |
| 208 self.__lastRequest = request | |
| 209 if self.__lastRequest.url() != request.url() or \ | |
| 210 type_ != QWebPage.NavigationTypeOther: | |
| 211 self.__lastRequestType = type_ | |
| 212 | |
| 213 scheme = request.url().scheme() | |
| 214 if scheme == "mailto": | |
| 215 QDesktopServices.openUrl(request.url()) | |
| 216 return False | |
| 217 | |
| 218 if type_ == QWebPage.NavigationTypeFormResubmitted: | |
| 219 res = E5MessageBox.yesNo( | |
| 220 self.view(), | |
| 221 self.tr("Resending POST request"), | |
| 222 self.tr( | |
| 223 """In order to display the site, the request along with""" | |
| 224 """ all the data must be sent once again, which may lead""" | |
| 225 """ to some unexpected behaviour of the site e.g. the""" | |
| 226 """ same action might be performed once again. Do you""" | |
| 227 """ want to continue anyway?"""), | |
| 228 icon=E5MessageBox.Warning) | |
| 229 if not res: | |
| 230 return False | |
| 231 | |
| 232 return QWebPage.acceptNavigationRequest(self, frame, request, type_) | |
| 233 | |
| 234 def populateNetworkRequest(self, request): | |
| 235 """ | |
| 236 Public method to add data to a network request. | |
| 237 | |
| 238 @param request reference to the network request object | |
| 239 (QNetworkRequest) | |
| 240 """ | |
| 241 try: | |
| 242 request.setAttribute(QNetworkRequest.User + 100, self) | |
| 243 if self.__lastRequest.url() == request.url(): | |
| 244 request.setAttribute(QNetworkRequest.User + 101, | |
| 245 self.__lastRequestType) | |
| 246 if self.__lastRequestType == \ | |
| 247 QWebPage.NavigationTypeLinkClicked: | |
| 248 request.setRawHeader(b"X-Eric6-UserLoadAction", | |
| 249 QByteArray(b"1")) | |
| 250 except TypeError: | |
| 251 pass | |
| 252 | |
| 253 def pageAttributeId(self): | |
| 254 """ | |
| 255 Public method to get the attribute id of the page attribute. | |
| 256 | |
| 257 @return attribute id of the page attribute (integer) | |
| 258 """ | |
| 259 return QNetworkRequest.User + 100 | |
| 260 | |
| 261 def supportsExtension(self, extension): | |
| 262 """ | |
| 263 Public method to check the support for an extension. | |
| 264 | |
| 265 @param extension extension to test for (QWebPage.Extension) | |
| 266 @return flag indicating the support of extension (boolean) | |
| 267 """ | |
| 268 try: | |
| 269 if extension in [QWebPage.ErrorPageExtension, | |
| 270 QWebPage.ChooseMultipleFilesExtension]: | |
| 271 return True | |
| 272 except AttributeError: | |
| 273 pass | |
| 274 | |
| 275 return QWebPage.supportsExtension(self, extension) | |
| 276 | |
| 277 def extension(self, extension, option, output): | |
| 278 """ | |
| 279 Public method to implement a specific extension. | |
| 280 | |
| 281 @param extension extension to be executed (QWebPage.Extension) | |
| 282 @param option provides input to the extension | |
| 283 (QWebPage.ExtensionOption) | |
| 284 @param output stores the output results (QWebPage.ExtensionReturn) | |
| 285 @return flag indicating a successful call of the extension (boolean) | |
| 286 """ | |
| 287 if extension == QWebPage.ChooseMultipleFilesExtension: | |
| 288 info = sip.cast(option, | |
| 289 QWebPage.ChooseMultipleFilesExtensionOption) | |
| 290 files = sip.cast(output, | |
| 291 QWebPage.ChooseMultipleFilesExtensionReturn) | |
| 292 if info is None or files is None: | |
| 293 return super(HelpWebPage, self).extension( | |
| 294 extension, option, output) | |
| 295 | |
| 296 suggestedFileName = "" | |
| 297 if info.suggestedFileNames: | |
| 298 suggestedFileName = info.suggestedFileNames[0] | |
| 299 | |
| 300 files.fileNames = E5FileDialog.getOpenFileNames( | |
| 301 None, | |
| 302 self.tr("Select files to upload..."), | |
| 303 suggestedFileName) | |
| 304 return True | |
| 305 | |
| 306 if extension == QWebPage.ErrorPageExtension: | |
| 307 info = sip.cast(option, QWebPage.ErrorPageExtensionOption) | |
| 308 | |
| 309 errorPage = sip.cast(output, QWebPage.ErrorPageExtensionReturn) | |
| 310 urlString = bytes(info.url.toEncoded()).decode() | |
| 311 errorPage.baseUrl = info.url | |
| 312 if info.domain == QWebPage.QtNetwork and \ | |
| 313 info.error == QNetworkReply.ProtocolUnknownError: | |
| 314 url = QUrl(info.url) | |
| 315 res = E5MessageBox.yesNo( | |
| 316 None, | |
| 317 self.tr("Protocol Error"), | |
| 318 self.tr("""Open external application for {0}-link?\n""" | |
| 319 """URL: {1}""").format( | |
| 320 url.scheme(), url.toString( | |
| 321 QUrl.PrettyDecoded | QUrl.RemovePassword)), | |
| 322 yesDefault=True) | |
| 323 | |
| 324 if res: | |
| 325 QDesktopServices.openUrl(url) | |
| 326 return True | |
| 327 elif info.domain == QWebPage.QtNetwork and \ | |
| 328 info.error == QNetworkReply.ContentAccessDenied and \ | |
| 329 info.errorString.startswith("AdBlockRule:"): | |
| 330 if info.frame != info.frame.page().mainFrame(): | |
| 331 # content in <iframe> | |
| 332 docElement = info.frame.page().mainFrame()\ | |
| 333 .documentElement() | |
| 334 for element in docElement.findAll("iframe"): | |
| 335 src = element.attribute("src") | |
| 336 if src in info.url.toString(): | |
| 337 element.setAttribute("style", "display:none;") | |
| 338 return False | |
| 339 else: | |
| 340 # the whole page is blocked | |
| 341 rule = info.errorString.replace("AdBlockRule:", "") | |
| 342 title = self.tr("Content blocked by AdBlock Plus") | |
| 343 message = self.tr( | |
| 344 "Blocked by rule: <i>{0}</i>").format(rule) | |
| 345 | |
| 346 htmlFile = QFile(":/html/adblockPage.html") | |
| 347 htmlFile.open(QFile.ReadOnly) | |
| 348 html = htmlFile.readAll() | |
| 349 html = html.replace( | |
| 350 "@FAVICON@", "qrc:icons/adBlockPlus16.png") | |
| 351 html = html.replace( | |
| 352 "@IMAGE@", "qrc:icons/adBlockPlus64.png") | |
| 353 html = html.replace("@TITLE@", title.encode("utf8")) | |
| 354 html = html.replace("@MESSAGE@", message.encode("utf8")) | |
| 355 errorPage.content = html | |
| 356 return True | |
| 357 | |
| 358 if info.domain == QWebPage.QtNetwork and \ | |
| 359 info.error == QNetworkReply.OperationCanceledError and \ | |
| 360 info.errorString == "eric6:No Error": | |
| 361 return False | |
| 362 | |
| 363 if info.domain == QWebPage.WebKit and info.error == 203: | |
| 364 # "Loading is handled by the media engine" | |
| 365 return False | |
| 366 | |
| 367 title = self.tr("Error loading page: {0}").format(urlString) | |
| 368 htmlFile = QFile(":/html/notFoundPage.html") | |
| 369 htmlFile.open(QFile.ReadOnly) | |
| 370 html = htmlFile.readAll() | |
| 371 pixmap = qApp.style()\ | |
| 372 .standardIcon(QStyle.SP_MessageBoxWarning).pixmap(48, 48) | |
| 373 imageBuffer = QBuffer() | |
| 374 imageBuffer.open(QIODevice.ReadWrite) | |
| 375 if pixmap.save(imageBuffer, "PNG"): | |
| 376 html = html.replace("@IMAGE@", imageBuffer.buffer().toBase64()) | |
| 377 pixmap = qApp.style()\ | |
| 378 .standardIcon(QStyle.SP_MessageBoxWarning).pixmap(16, 16) | |
| 379 imageBuffer = QBuffer() | |
| 380 imageBuffer.open(QIODevice.ReadWrite) | |
| 381 if pixmap.save(imageBuffer, "PNG"): | |
| 382 html = html.replace( | |
| 383 "@FAVICON@", imageBuffer.buffer().toBase64()) | |
| 384 html = html.replace("@TITLE@", title.encode("utf8")) | |
| 385 html = html.replace("@H1@", info.errorString.encode("utf8")) | |
| 386 html = html.replace( | |
| 387 "@H2@", self.tr("When connecting to: {0}.") | |
| 388 .format(urlString).encode("utf8")) | |
| 389 html = html.replace( | |
| 390 "@LI-1@", | |
| 391 self.tr("Check the address for errors such as " | |
| 392 "<b>ww</b>.example.org instead of " | |
| 393 "<b>www</b>.example.org").encode("utf8")) | |
| 394 html = html.replace( | |
| 395 "@LI-2@", | |
| 396 self.tr( | |
| 397 "If the address is correct, try checking the network " | |
| 398 "connection.").encode("utf8")) | |
| 399 html = html.replace( | |
| 400 "@LI-3@", | |
| 401 self.tr( | |
| 402 "If your computer or network is protected by a firewall " | |
| 403 "or proxy, make sure that the browser is permitted to " | |
| 404 "access the network.").encode("utf8")) | |
| 405 html = html.replace( | |
| 406 "@LI-4@", | |
| 407 self.tr("If your cache policy is set to offline browsing," | |
| 408 "only pages in the local cache are available.") | |
| 409 .encode("utf8")) | |
| 410 html = html.replace( | |
| 411 "@BUTTON@", self.tr("Try Again").encode("utf8")) | |
| 412 errorPage.content = html | |
| 413 return True | |
| 414 | |
| 415 return QWebPage.extension(self, extension, option, output) | |
| 416 | |
| 417 def __loadStarted(self): | |
| 418 """ | |
| 419 Private method to handle the loadStarted signal. | |
| 420 """ | |
| 421 self.__adBlockedEntries = [] | |
| 422 | |
| 423 def addAdBlockRule(self, rule, url): | |
| 424 """ | |
| 425 Public slot to add an AdBlock rule to the page. | |
| 426 | |
| 427 @param rule AdBlock rule to add (AdBlockRule) | |
| 428 @param url URL that matched the rule (QUrl) | |
| 429 """ | |
| 430 from .AdBlock.AdBlockPage import AdBlockedPageEntry | |
| 431 entry = AdBlockedPageEntry(rule, url) | |
| 432 if entry not in self.__adBlockedEntries: | |
| 433 self.__adBlockedEntries.append(entry) | |
| 434 | |
| 435 def getAdBlockedPageEntries(self): | |
| 436 """ | |
| 437 Public method to get the list of AdBlock page entries. | |
| 438 | |
| 439 @return list of AdBlock page entries (list of AdBlockedPageEntry) | |
| 440 """ | |
| 441 return self.__adBlockedEntries | |
| 442 | |
| 443 def url(self): | |
| 444 """ | |
| 445 Public method to get the URL of the page. | |
| 446 | |
| 447 @return URL of the page (QUrl) | |
| 448 """ | |
| 449 return self.mainFrame().url() | |
| 450 | |
| 451 def userAgent(self, resolveEmpty=False): | |
| 452 """ | |
| 453 Public method to get the global user agent setting. | |
| 454 | |
| 455 @param resolveEmpty flag indicating to resolve an empty | |
| 456 user agent (boolean) | |
| 457 @return user agent string (string) | |
| 458 """ | |
| 459 agent = Preferences.getHelp("UserAgent") | |
| 460 if agent == "" and resolveEmpty: | |
| 461 agent = self.userAgentForUrl(QUrl()) | |
| 462 return agent | |
| 463 | |
| 464 def setUserAgent(self, agent): | |
| 465 """ | |
| 466 Public method to set the global user agent string. | |
| 467 | |
| 468 @param agent new current user agent string (string) | |
| 469 """ | |
| 470 Preferences.setHelp("UserAgent", agent) | |
| 471 | |
| 472 def userAgentForUrl(self, url): | |
| 473 """ | |
| 474 Public method to determine the user agent for the given URL. | |
| 475 | |
| 476 @param url URL to determine user agent for (QUrl) | |
| 477 @return user agent string (string) | |
| 478 """ | |
| 479 import Helpviewer.HelpWindow | |
| 480 agent = Helpviewer.HelpWindow.HelpWindow.userAgentsManager()\ | |
| 481 .userAgentForUrl(url) | |
| 482 if agent == "": | |
| 483 # no agent string specified for the given host -> use global one | |
| 484 agent = Preferences.getHelp("UserAgent") | |
| 485 if agent == "": | |
| 486 # no global agent string specified -> use default one | |
| 487 agent = QWebPage.userAgentForUrl(self, url) | |
| 488 return agent | |
| 489 | |
| 490 def __managerFinished(self, reply): | |
| 491 """ | |
| 492 Private slot to handle a finished reply. | |
| 493 | |
| 494 This slot is used to get SSL related information for a reply. | |
| 495 | |
| 496 @param reply reference to the finished reply (QNetworkReply) | |
| 497 """ | |
| 498 try: | |
| 499 frame = reply.request().originatingObject() | |
| 500 except AttributeError: | |
| 501 frame = None | |
| 502 | |
| 503 mainFrameRequest = frame == self.mainFrame() | |
| 504 | |
| 505 if mainFrameRequest and \ | |
| 506 self.__sslConfiguration is not None and \ | |
| 507 reply.url() == self.mainFrame().url(): | |
| 508 self.__sslConfiguration = None | |
| 509 | |
| 510 if reply.error() == QNetworkReply.NoError and \ | |
| 511 mainFrameRequest and \ | |
| 512 self.__sslConfiguration is None and \ | |
| 513 reply.url().scheme().lower() == "https" and \ | |
| 514 reply.url() == self.mainFrame().url(): | |
| 515 self.__sslConfiguration = reply.sslConfiguration() | |
| 516 self.__sslConfiguration.url = QUrl(reply.url()) | |
| 517 | |
| 518 if reply.error() == QNetworkReply.NoError and \ | |
| 519 mainFrameRequest and \ | |
| 520 reply.url() == self.mainFrame().url(): | |
| 521 modified = reply.header(QNetworkRequest.LastModifiedHeader) | |
| 522 if modified and modified.isValid(): | |
| 523 import Helpviewer.HelpWindow | |
| 524 manager = Helpviewer.HelpWindow.HelpWindow.bookmarksManager() | |
| 525 from .Bookmarks.BookmarkNode import BookmarkNode | |
| 526 for bookmark in manager.bookmarksForUrl(reply.url()): | |
| 527 manager.setTimestamp(bookmark, BookmarkNode.TsModified, | |
| 528 modified) | |
| 529 | |
| 530 def getSslCertificate(self): | |
| 531 """ | |
| 532 Public method to get a reference to the SSL certificate. | |
| 533 | |
| 534 @return amended SSL certificate (QSslCertificate) | |
| 535 """ | |
| 536 if self.__sslConfiguration is None: | |
| 537 return None | |
| 538 | |
| 539 sslInfo = self.__sslConfiguration.peerCertificate() | |
| 540 sslInfo.url = QUrl(self.__sslConfiguration.url) | |
| 541 return sslInfo | |
| 542 | |
| 543 def getSslCertificateChain(self): | |
| 544 """ | |
| 545 Public method to get a reference to the SSL certificate chain. | |
| 546 | |
| 547 @return SSL certificate chain (list of QSslCertificate) | |
| 548 """ | |
| 549 if self.__sslConfiguration is None: | |
| 550 return [] | |
| 551 | |
| 552 chain = self.__sslConfiguration.peerCertificateChain() | |
| 553 return chain | |
| 554 | |
| 555 def getSslConfiguration(self): | |
| 556 """ | |
| 557 Public method to return a reference to the current SSL configuration. | |
| 558 | |
| 559 @return reference to the SSL configuration in use (QSslConfiguration) | |
| 560 """ | |
| 561 return self.__sslConfiguration | |
| 562 | |
| 563 def showSslInfo(self, pos): | |
| 564 """ | |
| 565 Public slot to show some SSL information for the loaded page. | |
| 566 | |
| 567 @param pos position to show the info at (QPoint) | |
| 568 """ | |
| 569 if SSL_AVAILABLE and self.__sslConfiguration is not None: | |
| 570 from E5Network.E5SslInfoWidget import E5SslInfoWidget | |
| 571 widget = E5SslInfoWidget( | |
| 572 self.mainFrame().url(), self.__sslConfiguration, self.view()) | |
| 573 widget.showAt(pos) | |
| 574 else: | |
| 575 E5MessageBox.warning( | |
| 576 self.view(), | |
| 577 self.tr("SSL Info"), | |
| 578 self.tr("""This site does not contain SSL information.""")) | |
| 579 | |
| 580 def hasValidSslInfo(self): | |
| 581 """ | |
| 582 Public method to check, if the page has a valid SSL certificate. | |
| 583 | |
| 584 @return flag indicating a valid SSL certificate (boolean) | |
| 585 """ | |
| 586 if self.__sslConfiguration is None: | |
| 587 return False | |
| 588 | |
| 589 certList = self.__sslConfiguration.peerCertificateChain() | |
| 590 if not certList: | |
| 591 return False | |
| 592 | |
| 593 certificateDict = Globals.toDict( | |
| 594 Preferences.Prefs.settings.value("Ssl/CaCertificatesDict")) | |
| 595 for server in certificateDict: | |
| 596 localCAList = QSslCertificate.fromData(certificateDict[server]) | |
| 597 for cert in certList: | |
| 598 if cert in localCAList: | |
| 599 return True | |
| 600 | |
| 601 if qVersion() >= "5.0.0": | |
| 602 for cert in certList: | |
| 603 if cert.isBlacklisted(): | |
| 604 return False | |
| 605 else: | |
| 606 for cert in certList: | |
| 607 if not cert.isValid(): | |
| 608 return False | |
| 609 | |
| 610 return True | |
| 611 | |
| 612 @classmethod | |
| 613 def webPluginFactory(cls): | |
| 614 """ | |
| 615 Class method to get a reference to the web plug-in factory | |
| 616 instance. | |
| 617 | |
| 618 @return reference to the web plug-in factory instance (WebPluginFactory | |
| 619 """ | |
| 620 if cls._webPluginFactory is None: | |
| 621 from .WebPlugins.WebPluginFactory import WebPluginFactory | |
| 622 cls._webPluginFactory = WebPluginFactory() | |
| 623 | |
| 624 return cls._webPluginFactory | |
| 625 | |
| 626 def event(self, evt): | |
| 627 """ | |
| 628 Public method implementing the event handler. | |
| 629 | |
| 630 @param evt reference to the event (QEvent) | |
| 631 @return flag indicating that the event was handled (boolean) | |
| 632 """ | |
| 633 if evt.type() == QEvent.Leave: | |
| 634 # Fake a mouse move event just outside of the widget to trigger | |
| 635 # the WebKit event handler's mouseMoved function. This implements | |
| 636 # the interesting mouse-out behavior like invalidating scrollbars. | |
| 637 fakeEvent = QMouseEvent(QEvent.MouseMove, QPoint(0, -1), | |
| 638 Qt.NoButton, Qt.NoButton, Qt.NoModifier) | |
| 639 return super(HelpWebPage, self).event(fakeEvent) | |
| 640 | |
| 641 return super(HelpWebPage, self).event(evt) | |
| 642 | |
| 643 def __saveFrameStateRequested(self, frame, itm): | |
| 644 """ | |
| 645 Private slot to save the page state (i.e. zoom level and scroll | |
| 646 position). | |
| 647 | |
| 648 Note: Code is based on qutebrowser. | |
| 649 | |
| 650 @param frame frame to be saved | |
| 651 @type QWebFrame | |
| 652 @param itm web history item to be saved | |
| 653 @type QWebHistoryItem | |
| 654 """ | |
| 655 try: | |
| 656 if frame != self.mainFrame(): | |
| 657 return | |
| 658 except RuntimeError: | |
| 659 # With Qt 5.2.1 (Ubuntu Trusty) we get this when closing a tab: | |
| 660 # RuntimeError: wrapped C/C++ object of type BrowserPage has | |
| 661 # been deleted | |
| 662 # Since the information here isn't that important for closing web | |
| 663 # views anyways, we ignore this error. | |
| 664 return | |
| 665 data = { | |
| 666 'zoom': frame.zoomFactor(), | |
| 667 'scrollPos': frame.scrollPosition(), | |
| 668 } | |
| 669 itm.setUserData(data) | |
| 670 | |
| 671 def __restoreFrameStateRequested(self, frame): | |
| 672 """ | |
| 673 Private slot to restore scroll position and zoom level from | |
| 674 history. | |
| 675 | |
| 676 Note: Code is based on qutebrowser. | |
| 677 | |
| 678 @param frame frame to be restored | |
| 679 @type QWebFrame | |
| 680 """ | |
| 681 if frame != self.mainFrame(): | |
| 682 return | |
| 683 | |
| 684 data = self.history().currentItem().userData() | |
| 685 if data is None: | |
| 686 return | |
| 687 | |
| 688 if 'zoom' in data: | |
| 689 frame.page().view().setZoomValue(int(data['zoom'] * 100), | |
| 690 saveValue=False) | |
| 691 | |
| 692 if 'scrollPos' in data and frame.scrollPosition() == QPoint(0, 0): | |
| 693 frame.setScrollPosition(data['scrollPos']) | |
| 694 | |
| 695 ############################################################################### | |
| 696 | |
| 697 | |
| 698 class HelpBrowser(QWebView): | |
| 699 """ | |
| 700 Class implementing the helpbrowser widget. | |
| 701 | |
| 702 This is a subclass of the Qt QWebView to implement an | |
| 703 interface compatible with the QTextBrowser based variant. | |
| 704 | |
| 705 @signal sourceChanged(QUrl) emitted after the current URL has changed | |
| 706 @signal forwardAvailable(bool) emitted after the current URL has changed | |
| 707 @signal backwardAvailable(bool) emitted after the current URL has changed | |
| 708 @signal highlighted(str) emitted, when the mouse hovers over a link | |
| 709 @signal search(QUrl) emitted, when a search is requested | |
| 710 @signal zoomValueChanged(int) emitted to signal a change of the zoom value | |
| 711 """ | |
| 712 sourceChanged = pyqtSignal(QUrl) | |
| 713 forwardAvailable = pyqtSignal(bool) | |
| 714 backwardAvailable = pyqtSignal(bool) | |
| 715 highlighted = pyqtSignal(str) | |
| 716 search = pyqtSignal(QUrl) | |
| 717 zoomValueChanged = pyqtSignal(int) | |
| 718 | |
| 719 ZoomLevels = [ | |
| 720 30, 50, 67, 80, 90, | |
| 721 100, | |
| 722 110, 120, 133, 150, 170, 200, 240, 300, | |
| 723 ] | |
| 724 ZoomLevelDefault = 100 | |
| 725 | |
| 726 def __init__(self, mainWindow, parent=None, name=""): | |
| 727 """ | |
| 728 Constructor | |
| 729 | |
| 730 @param mainWindow reference to the main window (HelpWindow) | |
| 731 @param parent parent widget of this window (QWidget) | |
| 732 @param name name of this window (string) | |
| 733 """ | |
| 734 super(HelpBrowser, self).__init__(parent) | |
| 735 self.setObjectName(name) | |
| 736 self.setWhatsThis(self.tr( | |
| 737 """<b>Help Window</b>""" | |
| 738 """<p>This window displays the selected help information.</p>""" | |
| 739 )) | |
| 740 | |
| 741 import Helpviewer.HelpWindow | |
| 742 self.__speedDial = Helpviewer.HelpWindow.HelpWindow.speedDial() | |
| 743 | |
| 744 self.__page = HelpWebPage(self) | |
| 745 self.setPage(self.__page) | |
| 746 | |
| 747 self.mw = mainWindow | |
| 748 self.ctrlPressed = False | |
| 749 self.__isLoading = False | |
| 750 self.__progress = 0 | |
| 751 | |
| 752 self.__currentZoom = 100 | |
| 753 self.__zoomLevels = HelpBrowser.ZoomLevels[:] | |
| 754 | |
| 755 self.__javaScriptBinding = None | |
| 756 self.__javaScriptEricObject = None | |
| 757 | |
| 758 self.mw.zoomTextOnlyChanged.connect(self.__applyZoom) | |
| 759 | |
| 760 self.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks) | |
| 761 self.linkClicked.connect(self.setSource) | |
| 762 | |
| 763 self.urlChanged.connect(self.__urlChanged) | |
| 764 self.statusBarMessage.connect(self.__statusBarMessage) | |
| 765 self.page().linkHovered.connect(self.__linkHovered) | |
| 766 | |
| 767 self.loadStarted.connect(self.__loadStarted) | |
| 768 self.loadProgress.connect(self.__loadProgress) | |
| 769 self.loadFinished.connect(self.__loadFinished) | |
| 770 | |
| 771 self.page().setForwardUnsupportedContent(True) | |
| 772 self.page().unsupportedContent.connect(self.__unsupportedContent) | |
| 773 | |
| 774 self.page().featurePermissionRequested.connect( | |
| 775 self.__featurePermissionRequested) | |
| 776 | |
| 777 self.page().downloadRequested.connect(self.__downloadRequested) | |
| 778 self.page().frameCreated.connect(self.__addExternalBinding) | |
| 779 self.__addExternalBinding(self.page().mainFrame()) | |
| 780 | |
| 781 self.page().databaseQuotaExceeded.connect(self.__databaseQuotaExceeded) | |
| 782 | |
| 783 self.mw.openSearchManager().currentEngineChanged.connect( | |
| 784 self.__currentEngineChanged) | |
| 785 | |
| 786 self.setAcceptDrops(True) | |
| 787 | |
| 788 self.__enableAccessKeys = Preferences.getHelp("AccessKeysEnabled") | |
| 789 self.__accessKeysPressed = False | |
| 790 self.__accessKeyLabels = [] | |
| 791 self.__accessKeyNodes = {} | |
| 792 | |
| 793 self.page().loadStarted.connect(self.__hideAccessKeys) | |
| 794 self.page().scrollRequested.connect(self.__hideAccessKeys) | |
| 795 | |
| 796 self.__rss = [] | |
| 797 | |
| 798 self.__clickedFrame = None | |
| 799 | |
| 800 self.mw.personalInformationManager().connectPage(self.page()) | |
| 801 self.mw.greaseMonkeyManager().connectPage(self.page()) | |
| 802 | |
| 803 self.__inspector = None | |
| 804 | |
| 805 self.grabGesture(Qt.PinchGesture) | |
| 806 | |
| 807 def __addExternalBinding(self, frame=None): | |
| 808 """ | |
| 809 Private slot to add javascript bindings for adding search providers. | |
| 810 | |
| 811 @param frame reference to the web frame (QWebFrame) | |
| 812 """ | |
| 813 self.page().settings().setAttribute(QWebSettings.JavascriptEnabled, | |
| 814 True) | |
| 815 if self.__javaScriptBinding is None: | |
| 816 self.__javaScriptBinding = JavaScriptExternalObject(self.mw, self) | |
| 817 | |
| 818 if frame is None: | |
| 819 # called from QWebFrame.javaScriptWindowObjectCleared | |
| 820 frame = self.sender() | |
| 821 if isinstance(frame, HelpWebPage): | |
| 822 frame = frame.mainFrame() | |
| 823 if frame.url().scheme() == "eric" and frame.url().path() == "home": | |
| 824 if self.__javaScriptEricObject is None: | |
| 825 self.__javaScriptEricObject = JavaScriptEricObject( | |
| 826 self.mw, self) | |
| 827 frame.addToJavaScriptWindowObject( | |
| 828 "eric", self.__javaScriptEricObject) | |
| 829 elif frame.url().scheme() == "eric" and \ | |
| 830 frame.url().path() == "speeddial": | |
| 831 frame.addToJavaScriptWindowObject( | |
| 832 "speeddial", self.__speedDial) | |
| 833 self.__speedDial.addWebFrame(frame) | |
| 834 else: | |
| 835 # called from QWebPage.frameCreated | |
| 836 frame.javaScriptWindowObjectCleared.connect( | |
| 837 self.__addExternalBinding) | |
| 838 frame.addToJavaScriptWindowObject("external", self.__javaScriptBinding) | |
| 839 | |
| 840 def linkedResources(self, relation=""): | |
| 841 """ | |
| 842 Public method to extract linked resources. | |
| 843 | |
| 844 @param relation relation to extract (string) | |
| 845 @return list of linked resources (list of LinkedResource) | |
| 846 """ | |
| 847 resources = [] | |
| 848 | |
| 849 baseUrl = self.page().mainFrame().baseUrl() | |
| 850 | |
| 851 linkElements = self.page().mainFrame().findAllElements( | |
| 852 "html > head > link") | |
| 853 | |
| 854 for linkElement in linkElements.toList(): | |
| 855 rel = linkElement.attribute("rel") | |
| 856 href = linkElement.attribute("href") | |
| 857 type_ = linkElement.attribute("type") | |
| 858 title = linkElement.attribute("title") | |
| 859 | |
| 860 if href == "" or type_ == "": | |
| 861 continue | |
| 862 if relation and rel != relation: | |
| 863 continue | |
| 864 | |
| 865 resource = LinkedResource() | |
| 866 resource.rel = rel | |
| 867 resource.type_ = type_ | |
| 868 resource.href = baseUrl.resolved( | |
| 869 QUrl.fromEncoded(href.encode("utf-8"))) | |
| 870 resource.title = title | |
| 871 | |
| 872 resources.append(resource) | |
| 873 | |
| 874 return resources | |
| 875 | |
| 876 def __currentEngineChanged(self): | |
| 877 """ | |
| 878 Private slot to track a change of the current search engine. | |
| 879 """ | |
| 880 if self.url().toString() == "eric:home": | |
| 881 self.reload() | |
| 882 | |
| 883 def setSource(self, name, requestData=None): | |
| 884 """ | |
| 885 Public method used to set the source to be displayed. | |
| 886 | |
| 887 @param name filename to be shown (QUrl) | |
| 888 @param requestData tuple containing the request data (QNetworkRequest, | |
| 889 QNetworkAccessManager.Operation, QByteArray) | |
| 890 """ | |
| 891 if (name is None or not name.isValid()) and requestData is None: | |
| 892 return | |
| 893 | |
| 894 if name is None and requestData is not None: | |
| 895 name = requestData[0].url() | |
| 896 | |
| 897 if self.ctrlPressed: | |
| 898 # open in a new window | |
| 899 self.mw.newTab(name) | |
| 900 self.ctrlPressed = False | |
| 901 return | |
| 902 | |
| 903 if not name.scheme(): | |
| 904 name.setUrl(Preferences.getHelp("DefaultScheme") + name.toString()) | |
| 905 | |
| 906 if len(name.scheme()) == 1 or \ | |
| 907 name.scheme() == "file": | |
| 908 # name is a local file | |
| 909 if name.scheme() and len(name.scheme()) == 1: | |
| 910 # it is a local path on win os | |
| 911 name = QUrl.fromLocalFile(name.toString()) | |
| 912 | |
| 913 if not QFileInfo(name.toLocalFile()).exists(): | |
| 914 E5MessageBox.critical( | |
| 915 self, | |
| 916 self.tr("eric6 Web Browser"), | |
| 917 self.tr( | |
| 918 """<p>The file <b>{0}</b> does not exist.</p>""") | |
| 919 .format(name.toLocalFile())) | |
| 920 return | |
| 921 | |
| 922 if name.toLocalFile().endswith(".pdf") or \ | |
| 923 name.toLocalFile().endswith(".PDF") or \ | |
| 924 name.toLocalFile().endswith(".chm") or \ | |
| 925 name.toLocalFile().endswith(".CHM"): | |
| 926 started = QDesktopServices.openUrl(name) | |
| 927 if not started: | |
| 928 E5MessageBox.critical( | |
| 929 self, | |
| 930 self.tr("eric6 Web Browser"), | |
| 931 self.tr( | |
| 932 """<p>Could not start a viewer""" | |
| 933 """ for file <b>{0}</b>.</p>""") | |
| 934 .format(name.path())) | |
| 935 return | |
| 936 elif name.scheme() in ["mailto"]: | |
| 937 started = QDesktopServices.openUrl(name) | |
| 938 if not started: | |
| 939 E5MessageBox.critical( | |
| 940 self, | |
| 941 self.tr("eric6 Web Browser"), | |
| 942 self.tr( | |
| 943 """<p>Could not start an application""" | |
| 944 """ for URL <b>{0}</b>.</p>""") | |
| 945 .format(name.toString())) | |
| 946 return | |
| 947 elif name.scheme() == "javascript": | |
| 948 scriptSource = QUrl.fromPercentEncoding(name.toString( | |
| 949 QUrl.FormattingOptions(QUrl.TolerantMode | QUrl.RemoveScheme))) | |
| 950 self.page().mainFrame().evaluateJavaScript(scriptSource) | |
| 951 return | |
| 952 else: | |
| 953 if name.toString().endswith(".pdf") or \ | |
| 954 name.toString().endswith(".PDF") or \ | |
| 955 name.toString().endswith(".chm") or \ | |
| 956 name.toString().endswith(".CHM"): | |
| 957 started = QDesktopServices.openUrl(name) | |
| 958 if not started: | |
| 959 E5MessageBox.critical( | |
| 960 self, | |
| 961 self.tr("eric6 Web Browser"), | |
| 962 self.tr( | |
| 963 """<p>Could not start a viewer""" | |
| 964 """ for file <b>{0}</b>.</p>""") | |
| 965 .format(name.path())) | |
| 966 return | |
| 967 | |
| 968 if requestData is not None: | |
| 969 self.load(*requestData) | |
| 970 else: | |
| 971 self.load(name) | |
| 972 | |
| 973 def source(self): | |
| 974 """ | |
| 975 Public method to return the URL of the loaded page. | |
| 976 | |
| 977 @return URL loaded in the help browser (QUrl) | |
| 978 """ | |
| 979 return self.url() | |
| 980 | |
| 981 def documentTitle(self): | |
| 982 """ | |
| 983 Public method to return the title of the loaded page. | |
| 984 | |
| 985 @return title (string) | |
| 986 """ | |
| 987 return self.title() | |
| 988 | |
| 989 def backward(self): | |
| 990 """ | |
| 991 Public slot to move backwards in history. | |
| 992 """ | |
| 993 self.triggerPageAction(QWebPage.Back) | |
| 994 self.__urlChanged(self.history().currentItem().url()) | |
| 995 | |
| 996 def forward(self): | |
| 997 """ | |
| 998 Public slot to move forward in history. | |
| 999 """ | |
| 1000 self.triggerPageAction(QWebPage.Forward) | |
| 1001 self.__urlChanged(self.history().currentItem().url()) | |
| 1002 | |
| 1003 def home(self): | |
| 1004 """ | |
| 1005 Public slot to move to the first page loaded. | |
| 1006 """ | |
| 1007 homeUrl = QUrl(Preferences.getHelp("HomePage")) | |
| 1008 self.setSource(homeUrl) | |
| 1009 self.__urlChanged(self.history().currentItem().url()) | |
| 1010 | |
| 1011 def reload(self): | |
| 1012 """ | |
| 1013 Public slot to reload the current page. | |
| 1014 """ | |
| 1015 self.triggerPageAction(QWebPage.Reload) | |
| 1016 | |
| 1017 def copy(self): | |
| 1018 """ | |
| 1019 Public slot to copy the selected text. | |
| 1020 """ | |
| 1021 self.triggerPageAction(QWebPage.Copy) | |
| 1022 | |
| 1023 def isForwardAvailable(self): | |
| 1024 """ | |
| 1025 Public method to determine, if a forward move in history is possible. | |
| 1026 | |
| 1027 @return flag indicating move forward is possible (boolean) | |
| 1028 """ | |
| 1029 return self.history().canGoForward() | |
| 1030 | |
| 1031 def isBackwardAvailable(self): | |
| 1032 """ | |
| 1033 Public method to determine, if a backwards move in history is possible. | |
| 1034 | |
| 1035 @return flag indicating move backwards is possible (boolean) | |
| 1036 """ | |
| 1037 return self.history().canGoBack() | |
| 1038 | |
| 1039 def __levelForZoom(self, zoom): | |
| 1040 """ | |
| 1041 Private method determining the zoom level index given a zoom factor. | |
| 1042 | |
| 1043 @param zoom zoom factor (integer) | |
| 1044 @return index of zoom factor (integer) | |
| 1045 """ | |
| 1046 try: | |
| 1047 index = self.__zoomLevels.index(zoom) | |
| 1048 except ValueError: | |
| 1049 for index in range(len(self.__zoomLevels)): | |
| 1050 if zoom <= self.__zoomLevels[index]: | |
| 1051 break | |
| 1052 return index | |
| 1053 | |
| 1054 def __applyZoom(self): | |
| 1055 """ | |
| 1056 Private slot to apply the current zoom factor. | |
| 1057 """ | |
| 1058 self.setZoomValue(self.__currentZoom) | |
| 1059 | |
| 1060 def setZoomValue(self, value, saveValue=True): | |
| 1061 """ | |
| 1062 Public method to set the zoom value. | |
| 1063 | |
| 1064 @param value zoom value (integer) | |
| 1065 @keyparam saveValue flag indicating to save the zoom value with the | |
| 1066 zoom manager | |
| 1067 @type bool | |
| 1068 """ | |
| 1069 if value != self.zoomValue(): | |
| 1070 try: | |
| 1071 self.setZoomFactor(value / 100.0) | |
| 1072 except AttributeError: | |
| 1073 self.setTextSizeMultiplier(value / 100.0) | |
| 1074 self.__currentZoom = value | |
| 1075 if saveValue: | |
| 1076 Helpviewer.HelpWindow.HelpWindow.zoomManager().setZoomValue( | |
| 1077 self.url(), value) | |
| 1078 self.zoomValueChanged.emit(value) | |
| 1079 | |
| 1080 def zoomValue(self): | |
| 1081 """ | |
| 1082 Public method to get the current zoom value. | |
| 1083 | |
| 1084 @return zoom value (integer) | |
| 1085 """ | |
| 1086 try: | |
| 1087 val = self.zoomFactor() * 100 | |
| 1088 except AttributeError: | |
| 1089 val = self.textSizeMultiplier() * 100 | |
| 1090 return int(val) | |
| 1091 | |
| 1092 def zoomIn(self): | |
| 1093 """ | |
| 1094 Public slot to zoom into the page. | |
| 1095 """ | |
| 1096 index = self.__levelForZoom(self.__currentZoom) | |
| 1097 if index < len(self.__zoomLevels) - 1: | |
| 1098 self.__currentZoom = self.__zoomLevels[index + 1] | |
| 1099 self.__applyZoom() | |
| 1100 | |
| 1101 def zoomOut(self): | |
| 1102 """ | |
| 1103 Public slot to zoom out of the page. | |
| 1104 """ | |
| 1105 index = self.__levelForZoom(self.__currentZoom) | |
| 1106 if index > 0: | |
| 1107 self.__currentZoom = self.__zoomLevels[index - 1] | |
| 1108 self.__applyZoom() | |
| 1109 | |
| 1110 def zoomReset(self): | |
| 1111 """ | |
| 1112 Public method to reset the zoom factor. | |
| 1113 """ | |
| 1114 index = self.__levelForZoom(HelpBrowser.ZoomLevelDefault) | |
| 1115 self.__currentZoom = self.__zoomLevels[index] | |
| 1116 self.__applyZoom() | |
| 1117 | |
| 1118 def hasSelection(self): | |
| 1119 """ | |
| 1120 Public method to determine, if there is some text selected. | |
| 1121 | |
| 1122 @return flag indicating text has been selected (boolean) | |
| 1123 """ | |
| 1124 return self.selectedText() != "" | |
| 1125 | |
| 1126 def findNextPrev(self, txt, case, backwards, wrap, highlightAll): | |
| 1127 """ | |
| 1128 Public slot to find the next occurrence of a text. | |
| 1129 | |
| 1130 @param txt text to search for (string) | |
| 1131 @param case flag indicating a case sensitive search (boolean) | |
| 1132 @param backwards flag indicating a backwards search (boolean) | |
| 1133 @param wrap flag indicating to wrap around (boolean) | |
| 1134 @param highlightAll flag indicating to highlight all occurrences | |
| 1135 (boolean) | |
| 1136 @return flag indicating that a match was found (boolean) | |
| 1137 """ | |
| 1138 findFlags = QWebPage.FindFlags() | |
| 1139 if case: | |
| 1140 findFlags |= QWebPage.FindCaseSensitively | |
| 1141 if backwards: | |
| 1142 findFlags |= QWebPage.FindBackward | |
| 1143 if wrap: | |
| 1144 findFlags |= QWebPage.FindWrapsAroundDocument | |
| 1145 try: | |
| 1146 if highlightAll: | |
| 1147 findFlags |= QWebPage.HighlightAllOccurrences | |
| 1148 except AttributeError: | |
| 1149 pass | |
| 1150 | |
| 1151 return self.findText(txt, findFlags) | |
| 1152 | |
| 1153 def __isMediaElement(self, element): | |
| 1154 """ | |
| 1155 Private method to check, if the given element is a media element. | |
| 1156 | |
| 1157 @param element element to be checked (QWebElement) | |
| 1158 @return flag indicating a media element (boolean) | |
| 1159 """ | |
| 1160 return element.tagName().lower() in ["video", "audio"] | |
| 1161 | |
| 1162 def contextMenuEvent(self, evt): | |
| 1163 """ | |
| 1164 Protected method called to create a context menu. | |
| 1165 | |
| 1166 This method is overridden from QWebView. | |
| 1167 | |
| 1168 @param evt reference to the context menu event object | |
| 1169 (QContextMenuEvent) | |
| 1170 """ | |
| 1171 from .UserAgent.UserAgentMenu import UserAgentMenu | |
| 1172 menu = QMenu(self) | |
| 1173 | |
| 1174 frameAtPos = self.page().frameAt(evt.pos()) | |
| 1175 hit = self.page().mainFrame().hitTestContent(evt.pos()) | |
| 1176 if not hit.linkUrl().isEmpty(): | |
| 1177 menu.addAction( | |
| 1178 UI.PixmapCache.getIcon("openNewTab.png"), | |
| 1179 self.tr("Open Link in New Tab\tCtrl+LMB"), | |
| 1180 self.__openLinkInNewTab).setData(hit.linkUrl()) | |
| 1181 menu.addSeparator() | |
| 1182 menu.addAction( | |
| 1183 UI.PixmapCache.getIcon("download.png"), | |
| 1184 self.tr("Save Lin&k"), self.__downloadLink) | |
| 1185 menu.addAction( | |
| 1186 UI.PixmapCache.getIcon("bookmark22.png"), | |
| 1187 self.tr("Bookmark this Link"), self.__bookmarkLink)\ | |
| 1188 .setData(hit.linkUrl()) | |
| 1189 menu.addSeparator() | |
| 1190 menu.addAction( | |
| 1191 UI.PixmapCache.getIcon("editCopy.png"), | |
| 1192 self.tr("Copy Link to Clipboard"), self.__copyLink) | |
| 1193 menu.addAction( | |
| 1194 UI.PixmapCache.getIcon("mailSend.png"), | |
| 1195 self.tr("Send Link"), | |
| 1196 self.__sendLink).setData(hit.linkUrl()) | |
| 1197 if Preferences.getHelp("VirusTotalEnabled") and \ | |
| 1198 Preferences.getHelp("VirusTotalServiceKey") != "": | |
| 1199 menu.addAction( | |
| 1200 UI.PixmapCache.getIcon("virustotal.png"), | |
| 1201 self.tr("Scan Link with VirusTotal"), | |
| 1202 self.__virusTotal).setData(hit.linkUrl()) | |
| 1203 | |
| 1204 if not hit.imageUrl().isEmpty(): | |
| 1205 if not menu.isEmpty(): | |
| 1206 menu.addSeparator() | |
| 1207 menu.addAction( | |
| 1208 UI.PixmapCache.getIcon("openNewTab.png"), | |
| 1209 self.tr("Open Image in New Tab"), | |
| 1210 self.__openLinkInNewTab).setData(hit.imageUrl()) | |
| 1211 menu.addSeparator() | |
| 1212 menu.addAction( | |
| 1213 UI.PixmapCache.getIcon("download.png"), | |
| 1214 self.tr("Save Image"), self.__downloadImage) | |
| 1215 menu.addAction( | |
| 1216 self.tr("Copy Image to Clipboard"), self.__copyImage) | |
| 1217 menu.addAction( | |
| 1218 UI.PixmapCache.getIcon("editCopy.png"), | |
| 1219 self.tr("Copy Image Location to Clipboard"), | |
| 1220 self.__copyLocation).setData(hit.imageUrl().toString()) | |
| 1221 menu.addAction( | |
| 1222 UI.PixmapCache.getIcon("mailSend.png"), | |
| 1223 self.tr("Send Image Link"), | |
| 1224 self.__sendLink).setData(hit.imageUrl()) | |
| 1225 menu.addSeparator() | |
| 1226 menu.addAction( | |
| 1227 UI.PixmapCache.getIcon("adBlockPlus.png"), | |
| 1228 self.tr("Block Image"), self.__blockImage)\ | |
| 1229 .setData(hit.imageUrl().toString()) | |
| 1230 if Preferences.getHelp("VirusTotalEnabled") and \ | |
| 1231 Preferences.getHelp("VirusTotalServiceKey") != "": | |
| 1232 menu.addAction( | |
| 1233 UI.PixmapCache.getIcon("virustotal.png"), | |
| 1234 self.tr("Scan Image with VirusTotal"), | |
| 1235 self.__virusTotal).setData(hit.imageUrl()) | |
| 1236 | |
| 1237 element = hit.element() | |
| 1238 if not element.isNull(): | |
| 1239 if self.__isMediaElement(element): | |
| 1240 if not menu.isEmpty(): | |
| 1241 menu.addSeparator() | |
| 1242 | |
| 1243 self.__clickedMediaElement = element | |
| 1244 | |
| 1245 paused = element.evaluateJavaScript("this.paused") | |
| 1246 muted = element.evaluateJavaScript("this.muted") | |
| 1247 videoUrl = QUrl(element.evaluateJavaScript("this.currentSrc")) | |
| 1248 | |
| 1249 if paused: | |
| 1250 menu.addAction( | |
| 1251 UI.PixmapCache.getIcon("mediaPlaybackStart.png"), | |
| 1252 self.tr("Play"), self.__pauseMedia) | |
| 1253 else: | |
| 1254 menu.addAction( | |
| 1255 UI.PixmapCache.getIcon("mediaPlaybackPause.png"), | |
| 1256 self.tr("Pause"), self.__pauseMedia) | |
| 1257 if muted: | |
| 1258 menu.addAction( | |
| 1259 UI.PixmapCache.getIcon("audioVolumeHigh.png"), | |
| 1260 self.tr("Unmute"), self.__muteMedia) | |
| 1261 else: | |
| 1262 menu.addAction( | |
| 1263 UI.PixmapCache.getIcon("audioVolumeMuted.png"), | |
| 1264 self.tr("Mute"), self.__muteMedia) | |
| 1265 menu.addSeparator() | |
| 1266 menu.addAction( | |
| 1267 UI.PixmapCache.getIcon("editCopy.png"), | |
| 1268 self.tr("Copy Media Address to Clipboard"), | |
| 1269 self.__copyLocation).setData(videoUrl.toString()) | |
| 1270 menu.addAction( | |
| 1271 UI.PixmapCache.getIcon("mailSend.png"), | |
| 1272 self.tr("Send Media Address"), self.__sendLink)\ | |
| 1273 .setData(videoUrl) | |
| 1274 menu.addAction( | |
| 1275 UI.PixmapCache.getIcon("download.png"), | |
| 1276 self.tr("Save Media"), self.__downloadMedia)\ | |
| 1277 .setData(videoUrl) | |
| 1278 | |
| 1279 if element.tagName().lower() in ["input", "textarea"]: | |
| 1280 if menu.isEmpty(): | |
| 1281 pageMenu = self.page().createStandardContextMenu() | |
| 1282 directionFound = False | |
| 1283 # used to detect double direction entry | |
| 1284 for act in pageMenu.actions(): | |
| 1285 if act.isSeparator(): | |
| 1286 menu.addSeparator() | |
| 1287 continue | |
| 1288 if act.menu(): | |
| 1289 if self.pageAction( | |
| 1290 QWebPage.SetTextDirectionDefault) in \ | |
| 1291 act.menu().actions(): | |
| 1292 if directionFound: | |
| 1293 act.setVisible(False) | |
| 1294 directionFound = True | |
| 1295 elif self.pageAction(QWebPage.ToggleBold) in \ | |
| 1296 act.menu().actions(): | |
| 1297 act.setVisible(False) | |
| 1298 elif act == self.pageAction(QWebPage.InspectElement): | |
| 1299 # we have our own inspect entry | |
| 1300 act.setVisible(False) | |
| 1301 menu.addAction(act) | |
| 1302 pageMenu = None | |
| 1303 | |
| 1304 if not menu.isEmpty(): | |
| 1305 menu.addSeparator() | |
| 1306 | |
| 1307 self.mw.personalInformationManager().createSubMenu(menu, self, hit) | |
| 1308 | |
| 1309 menu.addAction(self.mw.newTabAct) | |
| 1310 menu.addAction(self.mw.newAct) | |
| 1311 menu.addSeparator() | |
| 1312 menu.addAction(self.mw.saveAsAct) | |
| 1313 menu.addSeparator() | |
| 1314 | |
| 1315 if frameAtPos and self.page().mainFrame() != frameAtPos: | |
| 1316 self.__clickedFrame = frameAtPos | |
| 1317 fmenu = QMenu(self.tr("This Frame")) | |
| 1318 frameUrl = self.__clickedFrame.url() | |
| 1319 if frameUrl.isValid(): | |
| 1320 fmenu.addAction( | |
| 1321 self.tr("Show &only this frame"), | |
| 1322 self.__loadClickedFrame) | |
| 1323 fmenu.addAction( | |
| 1324 UI.PixmapCache.getIcon("openNewTab.png"), | |
| 1325 self.tr("Show in new &tab"), | |
| 1326 self.__openLinkInNewTab).setData(self.__clickedFrame.url()) | |
| 1327 fmenu.addSeparator() | |
| 1328 fmenu.addAction( | |
| 1329 UI.PixmapCache.getIcon("print.png"), | |
| 1330 self.tr("&Print"), self.__printClickedFrame) | |
| 1331 fmenu.addAction( | |
| 1332 UI.PixmapCache.getIcon("printPreview.png"), | |
| 1333 self.tr("Print Preview"), self.__printPreviewClickedFrame) | |
| 1334 fmenu.addAction( | |
| 1335 UI.PixmapCache.getIcon("printPdf.png"), | |
| 1336 self.tr("Print as PDF"), self.__printPdfClickedFrame) | |
| 1337 fmenu.addSeparator() | |
| 1338 fmenu.addAction( | |
| 1339 UI.PixmapCache.getIcon("zoomIn.png"), | |
| 1340 self.tr("Zoom &in"), self.__zoomInClickedFrame) | |
| 1341 fmenu.addAction( | |
| 1342 UI.PixmapCache.getIcon("zoomReset.png"), | |
| 1343 self.tr("Zoom &reset"), self.__zoomResetClickedFrame) | |
| 1344 fmenu.addAction( | |
| 1345 UI.PixmapCache.getIcon("zoomOut.png"), | |
| 1346 self.tr("Zoom &out"), self.__zoomOutClickedFrame) | |
| 1347 fmenu.addSeparator() | |
| 1348 fmenu.addAction( | |
| 1349 self.tr("Show frame so&urce"), | |
| 1350 self.__showClickedFrameSource) | |
| 1351 | |
| 1352 menu.addMenu(fmenu) | |
| 1353 menu.addSeparator() | |
| 1354 | |
| 1355 menu.addAction( | |
| 1356 UI.PixmapCache.getIcon("bookmark22.png"), | |
| 1357 self.tr("Bookmark this Page"), self.addBookmark) | |
| 1358 menu.addAction( | |
| 1359 UI.PixmapCache.getIcon("mailSend.png"), | |
| 1360 self.tr("Send Page Link"), self.__sendLink).setData(self.url()) | |
| 1361 menu.addSeparator() | |
| 1362 self.__userAgentMenu = UserAgentMenu(self.tr("User Agent"), | |
| 1363 url=self.url()) | |
| 1364 menu.addMenu(self.__userAgentMenu) | |
| 1365 menu.addSeparator() | |
| 1366 menu.addAction(self.mw.backAct) | |
| 1367 menu.addAction(self.mw.forwardAct) | |
| 1368 menu.addAction(self.mw.homeAct) | |
| 1369 menu.addSeparator() | |
| 1370 menu.addAction(self.mw.zoomInAct) | |
| 1371 menu.addAction(self.mw.zoomResetAct) | |
| 1372 menu.addAction(self.mw.zoomOutAct) | |
| 1373 menu.addSeparator() | |
| 1374 if self.selectedText(): | |
| 1375 menu.addAction(self.mw.copyAct) | |
| 1376 menu.addAction( | |
| 1377 UI.PixmapCache.getIcon("mailSend.png"), | |
| 1378 self.tr("Send Text"), | |
| 1379 self.__sendLink).setData(self.selectedText()) | |
| 1380 menu.addAction(self.mw.findAct) | |
| 1381 menu.addSeparator() | |
| 1382 if self.selectedText(): | |
| 1383 self.__searchMenu = menu.addMenu(self.tr("Search with...")) | |
| 1384 | |
| 1385 from .OpenSearch.OpenSearchEngineAction import \ | |
| 1386 OpenSearchEngineAction | |
| 1387 engineNames = self.mw.openSearchManager().allEnginesNames() | |
| 1388 for engineName in engineNames: | |
| 1389 engine = self.mw.openSearchManager().engine(engineName) | |
| 1390 act = OpenSearchEngineAction(engine, self.__searchMenu) | |
| 1391 act.setData(engineName) | |
| 1392 self.__searchMenu.addAction(act) | |
| 1393 self.__searchMenu.triggered.connect(self.__searchRequested) | |
| 1394 | |
| 1395 menu.addSeparator() | |
| 1396 | |
| 1397 from .HelpLanguagesDialog import HelpLanguagesDialog | |
| 1398 languages = Preferences.toList( | |
| 1399 Preferences.Prefs.settings.value( | |
| 1400 "Help/AcceptLanguages", | |
| 1401 HelpLanguagesDialog.defaultAcceptLanguages())) | |
| 1402 if languages: | |
| 1403 language = languages[0] | |
| 1404 langCode = language.split("[")[1][:2] | |
| 1405 googleTranslatorUrl = QUrl( | |
| 1406 "http://translate.google.com/#auto|{0}|{1}".format( | |
| 1407 langCode, self.selectedText())) | |
| 1408 menu.addAction( | |
| 1409 UI.PixmapCache.getIcon("translate.png"), | |
| 1410 self.tr("Google Translate"), self.__openLinkInNewTab)\ | |
| 1411 .setData(googleTranslatorUrl) | |
| 1412 wiktionaryUrl = QUrl( | |
| 1413 "http://{0}.wiktionary.org/wiki/Special:Search?search={1}" | |
| 1414 .format(langCode, self.selectedText())) | |
| 1415 menu.addAction( | |
| 1416 UI.PixmapCache.getIcon("wikipedia.png"), | |
| 1417 self.tr("Dictionary"), self.__openLinkInNewTab)\ | |
| 1418 .setData(wiktionaryUrl) | |
| 1419 menu.addSeparator() | |
| 1420 | |
| 1421 guessedUrl = QUrl.fromUserInput(self.selectedText().strip()) | |
| 1422 if self.__isUrlValid(guessedUrl): | |
| 1423 menu.addAction( | |
| 1424 self.tr("Go to web address"), | |
| 1425 self.__openLinkInNewTab).setData(guessedUrl) | |
| 1426 menu.addSeparator() | |
| 1427 | |
| 1428 element = hit.element() | |
| 1429 if not element.isNull() and \ | |
| 1430 element.tagName().lower() == "input" and \ | |
| 1431 element.attribute("type", "text") == "text": | |
| 1432 menu.addAction(self.tr("Add to web search toolbar"), | |
| 1433 self.__addSearchEngine).setData(element) | |
| 1434 menu.addSeparator() | |
| 1435 | |
| 1436 menu.addAction( | |
| 1437 UI.PixmapCache.getIcon("webInspector.png"), | |
| 1438 self.tr("Web Inspector..."), self.__webInspector) | |
| 1439 | |
| 1440 menu.exec_(evt.globalPos()) | |
| 1441 | |
| 1442 def __isUrlValid(self, url): | |
| 1443 """ | |
| 1444 Private method to check a URL for validity. | |
| 1445 | |
| 1446 @param url URL to be checked (QUrl) | |
| 1447 @return flag indicating a valid URL (boolean) | |
| 1448 """ | |
| 1449 return url.isValid() and \ | |
| 1450 bool(url.host()) and \ | |
| 1451 bool(url.scheme()) and \ | |
| 1452 "." in url.host() | |
| 1453 | |
| 1454 def __openLinkInNewTab(self): | |
| 1455 """ | |
| 1456 Private method called by the context menu to open a link in a new | |
| 1457 window. | |
| 1458 """ | |
| 1459 act = self.sender() | |
| 1460 url = act.data() | |
| 1461 if url.isEmpty(): | |
| 1462 return | |
| 1463 | |
| 1464 self.ctrlPressed = True | |
| 1465 self.setSource(url) | |
| 1466 self.ctrlPressed = False | |
| 1467 | |
| 1468 def __bookmarkLink(self): | |
| 1469 """ | |
| 1470 Private slot to bookmark a link via the context menu. | |
| 1471 """ | |
| 1472 act = self.sender() | |
| 1473 url = act.data() | |
| 1474 if url.isEmpty(): | |
| 1475 return | |
| 1476 | |
| 1477 from .Bookmarks.AddBookmarkDialog import AddBookmarkDialog | |
| 1478 dlg = AddBookmarkDialog() | |
| 1479 dlg.setUrl(bytes(url.toEncoded()).decode()) | |
| 1480 dlg.exec_() | |
| 1481 | |
| 1482 def __sendLink(self): | |
| 1483 """ | |
| 1484 Private slot to send a link via email. | |
| 1485 """ | |
| 1486 act = self.sender() | |
| 1487 data = act.data() | |
| 1488 if isinstance(data, QUrl) and data.isEmpty(): | |
| 1489 return | |
| 1490 | |
| 1491 if isinstance(data, QUrl): | |
| 1492 data = data.toString() | |
| 1493 QDesktopServices.openUrl(QUrl("mailto:?body=" + data)) | |
| 1494 | |
| 1495 def __downloadLink(self): | |
| 1496 """ | |
| 1497 Private slot to download a link and save it to disk. | |
| 1498 """ | |
| 1499 self.pageAction(QWebPage.DownloadLinkToDisk).trigger() | |
| 1500 | |
| 1501 def __copyLink(self): | |
| 1502 """ | |
| 1503 Private slot to copy a link to the clipboard. | |
| 1504 """ | |
| 1505 self.pageAction(QWebPage.CopyLinkToClipboard).trigger() | |
| 1506 | |
| 1507 def __downloadImage(self): | |
| 1508 """ | |
| 1509 Private slot to download an image and save it to disk. | |
| 1510 """ | |
| 1511 self.pageAction(QWebPage.DownloadImageToDisk).trigger() | |
| 1512 | |
| 1513 def __copyImage(self): | |
| 1514 """ | |
| 1515 Private slot to copy an image to the clipboard. | |
| 1516 """ | |
| 1517 self.pageAction(QWebPage.CopyImageToClipboard).trigger() | |
| 1518 | |
| 1519 def __copyLocation(self): | |
| 1520 """ | |
| 1521 Private slot to copy an image or media location to the clipboard. | |
| 1522 """ | |
| 1523 act = self.sender() | |
| 1524 url = act.data() | |
| 1525 QApplication.clipboard().setText(url) | |
| 1526 | |
| 1527 def __blockImage(self): | |
| 1528 """ | |
| 1529 Private slot to add a block rule for an image URL. | |
| 1530 """ | |
| 1531 import Helpviewer.HelpWindow | |
| 1532 act = self.sender() | |
| 1533 url = act.data() | |
| 1534 dlg = Helpviewer.HelpWindow.HelpWindow.adBlockManager().showDialog() | |
| 1535 dlg.addCustomRule(url) | |
| 1536 | |
| 1537 def __downloadMedia(self): | |
| 1538 """ | |
| 1539 Private slot to download a media and save it to disk. | |
| 1540 """ | |
| 1541 act = self.sender() | |
| 1542 url = act.data() | |
| 1543 self.mw.downloadManager().download(url, True, mainWindow=self.mw) | |
| 1544 | |
| 1545 def __pauseMedia(self): | |
| 1546 """ | |
| 1547 Private slot to pause or play the selected media. | |
| 1548 """ | |
| 1549 paused = self.__clickedMediaElement.evaluateJavaScript("this.paused") | |
| 1550 | |
| 1551 if paused: | |
| 1552 self.__clickedMediaElement.evaluateJavaScript("this.play()") | |
| 1553 else: | |
| 1554 self.__clickedMediaElement.evaluateJavaScript("this.pause()") | |
| 1555 | |
| 1556 def __muteMedia(self): | |
| 1557 """ | |
| 1558 Private slot to (un)mute the selected media. | |
| 1559 """ | |
| 1560 muted = self.__clickedMediaElement.evaluateJavaScript("this.muted") | |
| 1561 | |
| 1562 if muted: | |
| 1563 self.__clickedMediaElement.evaluateJavaScript("this.muted = false") | |
| 1564 else: | |
| 1565 self.__clickedMediaElement.evaluateJavaScript("this.muted = true") | |
| 1566 | |
| 1567 def __virusTotal(self): | |
| 1568 """ | |
| 1569 Private slot to scan the selected URL with VirusTotal. | |
| 1570 """ | |
| 1571 act = self.sender() | |
| 1572 url = act.data() | |
| 1573 self.mw.requestVirusTotalScan(url) | |
| 1574 | |
| 1575 def __searchRequested(self, act): | |
| 1576 """ | |
| 1577 Private slot to search for some text with a selected search engine. | |
| 1578 | |
| 1579 @param act reference to the action that triggered this slot (QAction) | |
| 1580 """ | |
| 1581 searchText = self.selectedText() | |
| 1582 | |
| 1583 if not searchText: | |
| 1584 return | |
| 1585 | |
| 1586 engineName = act.data() | |
| 1587 if engineName: | |
| 1588 engine = self.mw.openSearchManager().engine(engineName) | |
| 1589 self.search.emit(engine.searchUrl(searchText)) | |
| 1590 | |
| 1591 def __addSearchEngine(self): | |
| 1592 """ | |
| 1593 Private slot to add a new search engine. | |
| 1594 """ | |
| 1595 act = self.sender() | |
| 1596 if act is None: | |
| 1597 return | |
| 1598 | |
| 1599 element = act.data() | |
| 1600 elementName = element.attribute("name") | |
| 1601 formElement = QWebElement(element) | |
| 1602 while formElement.tagName().lower() != "form": | |
| 1603 formElement = formElement.parent() | |
| 1604 | |
| 1605 if formElement.isNull() or \ | |
| 1606 formElement.attribute("action") == "": | |
| 1607 return | |
| 1608 | |
| 1609 method = formElement.attribute("method", "get").lower() | |
| 1610 if method != "get": | |
| 1611 E5MessageBox.warning( | |
| 1612 self, | |
| 1613 self.tr("Method not supported"), | |
| 1614 self.tr( | |
| 1615 """{0} method is not supported.""").format(method.upper())) | |
| 1616 return | |
| 1617 | |
| 1618 searchUrl = QUrl(self.page().mainFrame().baseUrl().resolved( | |
| 1619 QUrl(formElement.attribute("action")))) | |
| 1620 if searchUrl.scheme() != "http": | |
| 1621 return | |
| 1622 | |
| 1623 if qVersion() >= "5.0.0": | |
| 1624 from PyQt5.QtCore import QUrlQuery | |
| 1625 searchUrlQuery = QUrlQuery(searchUrl) | |
| 1626 searchEngines = {} | |
| 1627 inputFields = formElement.findAll("input") | |
| 1628 for inputField in inputFields.toList(): | |
| 1629 type_ = inputField.attribute("type", "text") | |
| 1630 name = inputField.attribute("name") | |
| 1631 value = inputField.evaluateJavaScript("this.value") | |
| 1632 | |
| 1633 if type_ == "submit": | |
| 1634 searchEngines[value] = name | |
| 1635 elif type_ == "text": | |
| 1636 if inputField == element: | |
| 1637 value = "{searchTerms}" | |
| 1638 if qVersion() >= "5.0.0": | |
| 1639 searchUrlQuery.addQueryItem(name, value) | |
| 1640 else: | |
| 1641 searchUrl.addQueryItem(name, value) | |
| 1642 elif type_ == "checkbox" or type_ == "radio": | |
| 1643 if inputField.evaluateJavaScript("this.checked"): | |
| 1644 if qVersion() >= "5.0.0": | |
| 1645 searchUrlQuery.addQueryItem(name, value) | |
| 1646 else: | |
| 1647 searchUrl.addQueryItem(name, value) | |
| 1648 elif type_ == "hidden": | |
| 1649 if qVersion() >= "5.0.0": | |
| 1650 searchUrlQuery.addQueryItem(name, value) | |
| 1651 else: | |
| 1652 searchUrl.addQueryItem(name, value) | |
| 1653 | |
| 1654 selectFields = formElement.findAll("select") | |
| 1655 for selectField in selectFields.toList(): | |
| 1656 name = selectField.attribute("name") | |
| 1657 selectedIndex = selectField.evaluateJavaScript( | |
| 1658 "this.selectedIndex") | |
| 1659 if selectedIndex == -1: | |
| 1660 continue | |
| 1661 | |
| 1662 options = selectField.findAll("option") | |
| 1663 value = options.at(selectedIndex).toPlainText() | |
| 1664 if qVersion() >= "5.0.0": | |
| 1665 searchUrlQuery.addQueryItem(name, value) | |
| 1666 else: | |
| 1667 searchUrl.addQueryItem(name, value) | |
| 1668 | |
| 1669 ok = True | |
| 1670 if len(searchEngines) > 1: | |
| 1671 searchEngine, ok = QInputDialog.getItem( | |
| 1672 self, | |
| 1673 self.tr("Search engine"), | |
| 1674 self.tr("Choose the desired search engine"), | |
| 1675 sorted(searchEngines.keys()), 0, False) | |
| 1676 | |
| 1677 if not ok: | |
| 1678 return | |
| 1679 | |
| 1680 if searchEngines[searchEngine] != "": | |
| 1681 if qVersion() >= "5.0.0": | |
| 1682 searchUrlQuery.addQueryItem( | |
| 1683 searchEngines[searchEngine], searchEngine) | |
| 1684 else: | |
| 1685 searchUrl.addQueryItem( | |
| 1686 searchEngines[searchEngine], searchEngine) | |
| 1687 engineName = "" | |
| 1688 labels = formElement.findAll('label[for="{0}"]'.format(elementName)) | |
| 1689 if labels.count() > 0: | |
| 1690 engineName = labels.at(0).toPlainText() | |
| 1691 | |
| 1692 engineName, ok = QInputDialog.getText( | |
| 1693 self, | |
| 1694 self.tr("Engine name"), | |
| 1695 self.tr("Enter a name for the engine"), | |
| 1696 QLineEdit.Normal, | |
| 1697 engineName) | |
| 1698 if not ok: | |
| 1699 return | |
| 1700 | |
| 1701 if qVersion() >= "5.0.0": | |
| 1702 searchUrl.setQuery(searchUrlQuery) | |
| 1703 | |
| 1704 from .OpenSearch.OpenSearchEngine import OpenSearchEngine | |
| 1705 engine = OpenSearchEngine() | |
| 1706 engine.setName(engineName) | |
| 1707 engine.setDescription(engineName) | |
| 1708 engine.setSearchUrlTemplate(searchUrl.toString()) | |
| 1709 engine.setImage(self.icon().pixmap(16, 16).toImage()) | |
| 1710 | |
| 1711 self.mw.openSearchManager().addEngine(engine) | |
| 1712 | |
| 1713 def __webInspector(self): | |
| 1714 """ | |
| 1715 Private slot to show the web inspector window. | |
| 1716 """ | |
| 1717 if self.__inspector is None: | |
| 1718 from .HelpInspector import HelpInspector | |
| 1719 self.__inspector = HelpInspector() | |
| 1720 self.__inspector.setPage(self.page()) | |
| 1721 self.__inspector.show() | |
| 1722 elif self.__inspector.isVisible(): | |
| 1723 self.__inspector.hide() | |
| 1724 else: | |
| 1725 self.__inspector.show() | |
| 1726 | |
| 1727 def closeWebInspector(self): | |
| 1728 """ | |
| 1729 Public slot to close the web inspector. | |
| 1730 """ | |
| 1731 if self.__inspector is not None: | |
| 1732 if self.__inspector.isVisible(): | |
| 1733 self.__inspector.hide() | |
| 1734 self.__inspector.deleteLater() | |
| 1735 self.__inspector = None | |
| 1736 | |
| 1737 def addBookmark(self): | |
| 1738 """ | |
| 1739 Public slot to bookmark the current page. | |
| 1740 """ | |
| 1741 from .Bookmarks.AddBookmarkDialog import AddBookmarkDialog | |
| 1742 dlg = AddBookmarkDialog() | |
| 1743 dlg.setUrl(bytes(self.url().toEncoded()).decode()) | |
| 1744 dlg.setTitle(self.title()) | |
| 1745 meta = self.page().mainFrame().metaData() | |
| 1746 if "description" in meta: | |
| 1747 dlg.setDescription(meta["description"][0]) | |
| 1748 dlg.exec_() | |
| 1749 | |
| 1750 def dragEnterEvent(self, evt): | |
| 1751 """ | |
| 1752 Protected method called by a drag enter event. | |
| 1753 | |
| 1754 @param evt reference to the drag enter event (QDragEnterEvent) | |
| 1755 """ | |
| 1756 evt.acceptProposedAction() | |
| 1757 | |
| 1758 def dragMoveEvent(self, evt): | |
| 1759 """ | |
| 1760 Protected method called by a drag move event. | |
| 1761 | |
| 1762 @param evt reference to the drag move event (QDragMoveEvent) | |
| 1763 """ | |
| 1764 evt.ignore() | |
| 1765 if evt.source() != self: | |
| 1766 if len(evt.mimeData().urls()) > 0: | |
| 1767 evt.acceptProposedAction() | |
| 1768 else: | |
| 1769 url = QUrl(evt.mimeData().text()) | |
| 1770 if url.isValid(): | |
| 1771 evt.acceptProposedAction() | |
| 1772 | |
| 1773 if not evt.isAccepted(): | |
| 1774 super(HelpBrowser, self).dragMoveEvent(evt) | |
| 1775 | |
| 1776 def dropEvent(self, evt): | |
| 1777 """ | |
| 1778 Protected method called by a drop event. | |
| 1779 | |
| 1780 @param evt reference to the drop event (QDropEvent) | |
| 1781 """ | |
| 1782 super(HelpBrowser, self).dropEvent(evt) | |
| 1783 if not evt.isAccepted() and \ | |
| 1784 evt.source() != self and \ | |
| 1785 evt.possibleActions() & Qt.CopyAction: | |
| 1786 url = QUrl() | |
| 1787 if len(evt.mimeData().urls()) > 0: | |
| 1788 url = evt.mimeData().urls()[0] | |
| 1789 if not url.isValid(): | |
| 1790 url = QUrl(evt.mimeData().text()) | |
| 1791 if url.isValid(): | |
| 1792 self.setSource(url) | |
| 1793 evt.acceptProposedAction() | |
| 1794 | |
| 1795 def mousePressEvent(self, evt): | |
| 1796 """ | |
| 1797 Protected method called by a mouse press event. | |
| 1798 | |
| 1799 @param evt reference to the mouse event (QMouseEvent) | |
| 1800 """ | |
| 1801 self.mw.setEventMouseButtons(evt.buttons()) | |
| 1802 self.mw.setEventKeyboardModifiers(evt.modifiers()) | |
| 1803 | |
| 1804 if evt.button() == Qt.XButton1: | |
| 1805 self.pageAction(QWebPage.Back).trigger() | |
| 1806 elif evt.button() == Qt.XButton2: | |
| 1807 self.pageAction(QWebPage.Forward).trigger() | |
| 1808 else: | |
| 1809 super(HelpBrowser, self).mousePressEvent(evt) | |
| 1810 | |
| 1811 def mouseReleaseEvent(self, evt): | |
| 1812 """ | |
| 1813 Protected method called by a mouse release event. | |
| 1814 | |
| 1815 @param evt reference to the mouse event (QMouseEvent) | |
| 1816 """ | |
| 1817 accepted = evt.isAccepted() | |
| 1818 self.__page.event(evt) | |
| 1819 if not evt.isAccepted() and \ | |
| 1820 self.mw.eventMouseButtons() & Qt.MidButton: | |
| 1821 url = QUrl(QApplication.clipboard().text(QClipboard.Selection)) | |
| 1822 if not url.isEmpty() and \ | |
| 1823 url.isValid() and \ | |
| 1824 url.scheme() != "": | |
| 1825 self.mw.setEventMouseButtons(Qt.NoButton) | |
| 1826 self.mw.setEventKeyboardModifiers(Qt.NoModifier) | |
| 1827 self.setSource(url) | |
| 1828 evt.setAccepted(accepted) | |
| 1829 | |
| 1830 def wheelEvent(self, evt): | |
| 1831 """ | |
| 1832 Protected method to handle wheel events. | |
| 1833 | |
| 1834 @param evt reference to the wheel event (QWheelEvent) | |
| 1835 """ | |
| 1836 if qVersion() >= "5.0.0": | |
| 1837 delta = evt.angleDelta().y() | |
| 1838 else: | |
| 1839 delta = evt.delta() | |
| 1840 if evt.modifiers() & Qt.ControlModifier: | |
| 1841 if delta < 0: | |
| 1842 self.zoomOut() | |
| 1843 else: | |
| 1844 self.zoomIn() | |
| 1845 evt.accept() | |
| 1846 return | |
| 1847 | |
| 1848 if evt.modifiers() & Qt.ShiftModifier: | |
| 1849 if delta < 0: | |
| 1850 self.backward() | |
| 1851 else: | |
| 1852 self.forward() | |
| 1853 evt.accept() | |
| 1854 return | |
| 1855 | |
| 1856 super(HelpBrowser, self).wheelEvent(evt) | |
| 1857 | |
| 1858 def keyPressEvent(self, evt): | |
| 1859 """ | |
| 1860 Protected method called by a key press. | |
| 1861 | |
| 1862 @param evt reference to the key event (QKeyEvent) | |
| 1863 """ | |
| 1864 if self.mw.personalInformationManager().viewKeyPressEvent(self, evt): | |
| 1865 return | |
| 1866 | |
| 1867 if self.__enableAccessKeys: | |
| 1868 self.__accessKeysPressed = ( | |
| 1869 evt.modifiers() == Qt.ControlModifier and | |
| 1870 evt.key() == Qt.Key_Control) | |
| 1871 if not self.__accessKeysPressed: | |
| 1872 if self.__checkForAccessKey(evt): | |
| 1873 self.__hideAccessKeys() | |
| 1874 evt.accept() | |
| 1875 return | |
| 1876 self.__hideAccessKeys() | |
| 1877 else: | |
| 1878 QTimer.singleShot(300, self.__accessKeyShortcut) | |
| 1879 | |
| 1880 self.ctrlPressed = (evt.key() == Qt.Key_Control) | |
| 1881 super(HelpBrowser, self).keyPressEvent(evt) | |
| 1882 | |
| 1883 def keyReleaseEvent(self, evt): | |
| 1884 """ | |
| 1885 Protected method called by a key release. | |
| 1886 | |
| 1887 @param evt reference to the key event (QKeyEvent) | |
| 1888 """ | |
| 1889 if self.__enableAccessKeys: | |
| 1890 self.__accessKeysPressed = evt.key() == Qt.Key_Control | |
| 1891 | |
| 1892 self.ctrlPressed = False | |
| 1893 super(HelpBrowser, self).keyReleaseEvent(evt) | |
| 1894 | |
| 1895 def focusOutEvent(self, evt): | |
| 1896 """ | |
| 1897 Protected method called by a focus out event. | |
| 1898 | |
| 1899 @param evt reference to the focus event (QFocusEvent) | |
| 1900 """ | |
| 1901 if self.__accessKeysPressed: | |
| 1902 self.__hideAccessKeys() | |
| 1903 self.__accessKeysPressed = False | |
| 1904 | |
| 1905 super(HelpBrowser, self).focusOutEvent(evt) | |
| 1906 | |
| 1907 def event(self, evt): | |
| 1908 """ | |
| 1909 Public method handling events. | |
| 1910 | |
| 1911 @param evt reference to the event (QEvent) | |
| 1912 @return flag indicating, if the event was handled (boolean) | |
| 1913 """ | |
| 1914 if evt.type() == QEvent.Gesture: | |
| 1915 self.gestureEvent(evt) | |
| 1916 return True | |
| 1917 | |
| 1918 return super(HelpBrowser, self).event(evt) | |
| 1919 | |
| 1920 def gestureEvent(self, evt): | |
| 1921 """ | |
| 1922 Protected method handling gesture events. | |
| 1923 | |
| 1924 @param evt reference to the gesture event (QGestureEvent | |
| 1925 """ | |
| 1926 pinch = evt.gesture(Qt.PinchGesture) | |
| 1927 if pinch: | |
| 1928 if pinch.state() == Qt.GestureStarted: | |
| 1929 pinch.setScaleFactor(self.__currentZoom / 100.0) | |
| 1930 else: | |
| 1931 scaleFactor = pinch.scaleFactor() | |
| 1932 self.__currentZoom = int(scaleFactor * 100) | |
| 1933 self.__applyZoom() | |
| 1934 evt.accept() | |
| 1935 | |
| 1936 def clearHistory(self): | |
| 1937 """ | |
| 1938 Public slot to clear the history. | |
| 1939 """ | |
| 1940 self.history().clear() | |
| 1941 self.__urlChanged(self.history().currentItem().url()) | |
| 1942 | |
| 1943 ########################################################################### | |
| 1944 ## Signal converters below | |
| 1945 ########################################################################### | |
| 1946 | |
| 1947 def __urlChanged(self, url): | |
| 1948 """ | |
| 1949 Private slot to handle the urlChanged signal. | |
| 1950 | |
| 1951 @param url the new url (QUrl) | |
| 1952 """ | |
| 1953 self.sourceChanged.emit(url) | |
| 1954 | |
| 1955 self.forwardAvailable.emit(self.isForwardAvailable()) | |
| 1956 self.backwardAvailable.emit(self.isBackwardAvailable()) | |
| 1957 | |
| 1958 def __statusBarMessage(self, text): | |
| 1959 """ | |
| 1960 Private slot to handle the statusBarMessage signal. | |
| 1961 | |
| 1962 @param text text to be shown in the status bar (string) | |
| 1963 """ | |
| 1964 self.mw.statusBar().showMessage(text) | |
| 1965 | |
| 1966 def __linkHovered(self, link, title, textContent): | |
| 1967 """ | |
| 1968 Private slot to handle the linkHovered signal. | |
| 1969 | |
| 1970 @param link the URL of the link (string) | |
| 1971 @param title the link title (string) | |
| 1972 @param textContent text content of the link (string) | |
| 1973 """ | |
| 1974 self.highlighted.emit(link) | |
| 1975 | |
| 1976 ########################################################################### | |
| 1977 ## Signal handlers below | |
| 1978 ########################################################################### | |
| 1979 | |
| 1980 def __loadStarted(self): | |
| 1981 """ | |
| 1982 Private method to handle the loadStarted signal. | |
| 1983 """ | |
| 1984 self.__isLoading = True | |
| 1985 self.__progress = 0 | |
| 1986 | |
| 1987 def __loadProgress(self, progress): | |
| 1988 """ | |
| 1989 Private method to handle the loadProgress signal. | |
| 1990 | |
| 1991 @param progress progress value (integer) | |
| 1992 """ | |
| 1993 self.__progress = progress | |
| 1994 | |
| 1995 def __loadFinished(self, ok): | |
| 1996 """ | |
| 1997 Private method to handle the loadFinished signal. | |
| 1998 | |
| 1999 @param ok flag indicating the result (boolean) | |
| 2000 """ | |
| 2001 self.__isLoading = False | |
| 2002 self.__progress = 0 | |
| 2003 | |
| 2004 if Preferences.getHelp("ClickToFlashEnabled"): | |
| 2005 # this is a hack to make the ClickToFlash button appear | |
| 2006 self.zoomIn() | |
| 2007 self.zoomOut() | |
| 2008 | |
| 2009 zoomValue = Helpviewer.HelpWindow.HelpWindow.zoomManager()\ | |
| 2010 .zoomValue(self.url()) | |
| 2011 self.setZoomValue(zoomValue) | |
| 2012 | |
| 2013 if ok: | |
| 2014 self.mw.adBlockManager().page().hideBlockedPageEntries(self.page()) | |
| 2015 self.mw.passwordManager().fill(self.page()) | |
| 2016 | |
| 2017 def isLoading(self): | |
| 2018 """ | |
| 2019 Public method to get the loading state. | |
| 2020 | |
| 2021 @return flag indicating the loading state (boolean) | |
| 2022 """ | |
| 2023 return self.__isLoading | |
| 2024 | |
| 2025 def progress(self): | |
| 2026 """ | |
| 2027 Public method to get the load progress. | |
| 2028 | |
| 2029 @return load progress (integer) | |
| 2030 """ | |
| 2031 return self.__progress | |
| 2032 | |
| 2033 def saveAs(self): | |
| 2034 """ | |
| 2035 Public method to save the current page to a file. | |
| 2036 """ | |
| 2037 url = self.url() | |
| 2038 if url.isEmpty(): | |
| 2039 return | |
| 2040 | |
| 2041 self.mw.downloadManager().download(url, True, mainWindow=self.mw) | |
| 2042 | |
| 2043 def __unsupportedContent(self, reply, requestFilename=None, | |
| 2044 download=False): | |
| 2045 """ | |
| 2046 Private slot to handle the unsupportedContent signal. | |
| 2047 | |
| 2048 @param reply reference to the reply object (QNetworkReply) | |
| 2049 @keyparam requestFilename indicating to ask for a filename | |
| 2050 (boolean or None). If it is None, the behavior is determined | |
| 2051 by a configuration option. | |
| 2052 @keyparam download flag indicating a download operation (boolean) | |
| 2053 """ | |
| 2054 if reply is None: | |
| 2055 return | |
| 2056 | |
| 2057 replyUrl = reply.url() | |
| 2058 | |
| 2059 if replyUrl.scheme() == "abp": | |
| 2060 return | |
| 2061 | |
| 2062 if reply.error() == QNetworkReply.NoError: | |
| 2063 if reply.header(QNetworkRequest.ContentTypeHeader): | |
| 2064 self.mw.downloadManager().handleUnsupportedContent( | |
| 2065 reply, webPage=self.page(), mainWindow=self.mw) | |
| 2066 return | |
| 2067 | |
| 2068 replyUrl = reply.url() | |
| 2069 if replyUrl.isEmpty(): | |
| 2070 return | |
| 2071 | |
| 2072 notFoundFrame = self.page().mainFrame() | |
| 2073 if notFoundFrame is None: | |
| 2074 return | |
| 2075 | |
| 2076 if reply.header(QNetworkRequest.ContentTypeHeader): | |
| 2077 data = reply.readAll() | |
| 2078 if contentSniff(data): | |
| 2079 notFoundFrame.setHtml(str(data, encoding="utf-8"), replyUrl) | |
| 2080 return | |
| 2081 | |
| 2082 urlString = bytes(replyUrl.toEncoded()).decode() | |
| 2083 title = self.tr("Error loading page: {0}").format(urlString) | |
| 2084 htmlFile = QFile(":/html/notFoundPage.html") | |
| 2085 htmlFile.open(QFile.ReadOnly) | |
| 2086 html = htmlFile.readAll() | |
| 2087 pixmap = qApp.style()\ | |
| 2088 .standardIcon(QStyle.SP_MessageBoxWarning).pixmap(48, 48) | |
| 2089 imageBuffer = QBuffer() | |
| 2090 imageBuffer.open(QIODevice.ReadWrite) | |
| 2091 if pixmap.save(imageBuffer, "PNG"): | |
| 2092 html = html.replace("@IMAGE@", imageBuffer.buffer().toBase64()) | |
| 2093 pixmap = qApp.style()\ | |
| 2094 .standardIcon(QStyle.SP_MessageBoxWarning).pixmap(16, 16) | |
| 2095 imageBuffer = QBuffer() | |
| 2096 imageBuffer.open(QIODevice.ReadWrite) | |
| 2097 if pixmap.save(imageBuffer, "PNG"): | |
| 2098 html = html.replace("@FAVICON@", imageBuffer.buffer().toBase64()) | |
| 2099 html = html.replace("@TITLE@", title.encode("utf8")) | |
| 2100 html = html.replace("@H1@", reply.errorString().encode("utf8")) | |
| 2101 html = html.replace( | |
| 2102 "@H2@", self.tr("When connecting to: {0}.") | |
| 2103 .format(urlString).encode("utf8")) | |
| 2104 html = html.replace( | |
| 2105 "@LI-1@", | |
| 2106 self.tr("Check the address for errors such as " | |
| 2107 "<b>ww</b>.example.org instead of " | |
| 2108 "<b>www</b>.example.org").encode("utf8")) | |
| 2109 html = html.replace( | |
| 2110 "@LI-2@", | |
| 2111 self.tr("If the address is correct, try checking the network " | |
| 2112 "connection.").encode("utf8")) | |
| 2113 html = html.replace( | |
| 2114 "@LI-3@", | |
| 2115 self.tr( | |
| 2116 "If your computer or network is protected by a firewall " | |
| 2117 "or proxy, make sure that the browser is permitted to " | |
| 2118 "access the network.").encode("utf8")) | |
| 2119 html = html.replace( | |
| 2120 "@LI-4@", | |
| 2121 self.tr("If your cache policy is set to offline browsing," | |
| 2122 "only pages in the local cache are available.") | |
| 2123 .encode("utf8")) | |
| 2124 html = html.replace( | |
| 2125 "@BUTTON@", self.tr("Try Again").encode("utf8")) | |
| 2126 notFoundFrame.setHtml(bytes(html).decode("utf8"), replyUrl) | |
| 2127 self.mw.historyManager().removeHistoryEntry(replyUrl, self.title()) | |
| 2128 self.loadFinished.emit(False) | |
| 2129 | |
| 2130 def __featurePermissionRequested(self, frame, feature): | |
| 2131 """ | |
| 2132 Private slot handling a feature permission request. | |
| 2133 | |
| 2134 @param frame frame sending the request | |
| 2135 @type QWebFrame | |
| 2136 @param feature requested feature | |
| 2137 @type QWebPage.Feature | |
| 2138 """ | |
| 2139 manager = Helpviewer.HelpWindow.HelpWindow.featurePermissionManager() | |
| 2140 manager.requestFeaturePermission(self.page(), frame, feature) | |
| 2141 | |
| 2142 def __downloadRequested(self, request): | |
| 2143 """ | |
| 2144 Private slot to handle a download request. | |
| 2145 | |
| 2146 @param request reference to the request object (QNetworkRequest) | |
| 2147 """ | |
| 2148 self.mw.downloadManager().download(request, mainWindow=self.mw) | |
| 2149 | |
| 2150 def __databaseQuotaExceeded(self, frame, databaseName): | |
| 2151 """ | |
| 2152 Private slot to handle the case, where the database quota is exceeded. | |
| 2153 | |
| 2154 @param frame reference to the frame (QWebFrame) | |
| 2155 @param databaseName name of the web database (string) | |
| 2156 """ | |
| 2157 securityOrigin = frame.securityOrigin() | |
| 2158 if securityOrigin.databaseQuota() > 0 and \ | |
| 2159 securityOrigin.databaseUsage() == 0: | |
| 2160 # cope with a strange behavior of Qt 4.6, if a database is | |
| 2161 # accessed for the first time | |
| 2162 return | |
| 2163 | |
| 2164 res = E5MessageBox.yesNo( | |
| 2165 self, | |
| 2166 self.tr("Web Database Quota"), | |
| 2167 self.tr( | |
| 2168 """<p>The database quota of <strong>{0}</strong> has""" | |
| 2169 """ been exceeded while accessing database <strong>{1}""" | |
| 2170 """</strong>.</p><p>Shall it be changed?</p>""") | |
| 2171 .format(self.__dataString(securityOrigin.databaseQuota()), | |
| 2172 databaseName), | |
| 2173 yesDefault=True) | |
| 2174 if res: | |
| 2175 newQuota, ok = QInputDialog.getInt( | |
| 2176 self, | |
| 2177 self.tr("New Web Database Quota"), | |
| 2178 self.tr( | |
| 2179 "Enter the new quota in MB (current = {0}, used = {1}; " | |
| 2180 "step size = 5 MB):" | |
| 2181 .format( | |
| 2182 self.__dataString(securityOrigin.databaseQuota()), | |
| 2183 self.__dataString(securityOrigin.databaseUsage()))), | |
| 2184 securityOrigin.databaseQuota() // (1024 * 1024), | |
| 2185 0, 2147483647, 5) | |
| 2186 if ok: | |
| 2187 securityOrigin.setDatabaseQuota(newQuota * 1024 * 1024) | |
| 2188 | |
| 2189 def __dataString(self, size): | |
| 2190 """ | |
| 2191 Private method to generate a formatted data string. | |
| 2192 | |
| 2193 @param size size to be formatted (integer) | |
| 2194 @return formatted data string (string) | |
| 2195 """ | |
| 2196 unit = "" | |
| 2197 if size < 1024: | |
| 2198 unit = self.tr("bytes") | |
| 2199 elif size < 1024 * 1024: | |
| 2200 size /= 1024 | |
| 2201 unit = self.tr("kB") | |
| 2202 else: | |
| 2203 size /= 1024 * 1024 | |
| 2204 unit = self.tr("MB") | |
| 2205 return "{0:.1f} {1}".format(size, unit) | |
| 2206 | |
| 2207 ########################################################################### | |
| 2208 ## Access key related methods below | |
| 2209 ########################################################################### | |
| 2210 | |
| 2211 def __accessKeyShortcut(self): | |
| 2212 """ | |
| 2213 Private slot to switch the display of access keys. | |
| 2214 """ | |
| 2215 if not self.hasFocus() or \ | |
| 2216 not self.__accessKeysPressed or \ | |
| 2217 not self.__enableAccessKeys: | |
| 2218 return | |
| 2219 | |
| 2220 if self.__accessKeyLabels: | |
| 2221 self.__hideAccessKeys() | |
| 2222 else: | |
| 2223 self.__showAccessKeys() | |
| 2224 | |
| 2225 self.__accessKeysPressed = False | |
| 2226 | |
| 2227 def __checkForAccessKey(self, evt): | |
| 2228 """ | |
| 2229 Private method to check the existence of an access key and activate the | |
| 2230 corresponding link. | |
| 2231 | |
| 2232 @param evt reference to the key event (QKeyEvent) | |
| 2233 @return flag indicating, if the event was handled (boolean) | |
| 2234 """ | |
| 2235 if not self.__accessKeyLabels: | |
| 2236 return False | |
| 2237 | |
| 2238 text = evt.text() | |
| 2239 if not text: | |
| 2240 return False | |
| 2241 | |
| 2242 key = text[0].upper() | |
| 2243 handled = False | |
| 2244 if key in self.__accessKeyNodes: | |
| 2245 element = self.__accessKeyNodes[key] | |
| 2246 p = element.geometry().center() | |
| 2247 frame = element.webFrame() | |
| 2248 p -= frame.scrollPosition() | |
| 2249 frame = frame.parentFrame() | |
| 2250 while frame and frame != self.page().mainFrame(): | |
| 2251 p -= frame.scrollPosition() | |
| 2252 frame = frame.parentFrame() | |
| 2253 pevent = QMouseEvent( | |
| 2254 QEvent.MouseButtonPress, p, Qt.LeftButton, | |
| 2255 Qt.MouseButtons(Qt.NoButton), | |
| 2256 Qt.KeyboardModifiers(Qt.NoModifier)) | |
| 2257 qApp.sendEvent(self, pevent) | |
| 2258 revent = QMouseEvent( | |
| 2259 QEvent.MouseButtonRelease, p, Qt.LeftButton, | |
| 2260 Qt.MouseButtons(Qt.NoButton), | |
| 2261 Qt.KeyboardModifiers(Qt.NoModifier)) | |
| 2262 qApp.sendEvent(self, revent) | |
| 2263 handled = True | |
| 2264 | |
| 2265 return handled | |
| 2266 | |
| 2267 def __hideAccessKeys(self): | |
| 2268 """ | |
| 2269 Private slot to hide the access key labels. | |
| 2270 """ | |
| 2271 if self.__accessKeyLabels: | |
| 2272 for label in self.__accessKeyLabels: | |
| 2273 label.hide() | |
| 2274 label.deleteLater() | |
| 2275 self.__accessKeyLabels = [] | |
| 2276 self.__accessKeyNodes = {} | |
| 2277 self.update() | |
| 2278 | |
| 2279 def __showAccessKeys(self): | |
| 2280 """ | |
| 2281 Private method to show the access key labels. | |
| 2282 """ | |
| 2283 supportedElements = [ | |
| 2284 "input", "a", "area", "button", "label", "legend", "textarea", | |
| 2285 ] | |
| 2286 unusedKeys = "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z" \ | |
| 2287 " 0 1 2 3 4 5 6 7 8 9".split() | |
| 2288 | |
| 2289 viewport = QRect(self.__page.mainFrame().scrollPosition(), | |
| 2290 self.__page.viewportSize()) | |
| 2291 # Priority first goes to elements with accesskey attributes | |
| 2292 alreadyLabeled = [] | |
| 2293 for elementType in supportedElements: | |
| 2294 result = self.page().mainFrame().findAllElements(elementType)\ | |
| 2295 .toList() | |
| 2296 for element in result: | |
| 2297 geometry = element.geometry() | |
| 2298 if geometry.size().isEmpty() or \ | |
| 2299 not viewport.contains(geometry.topLeft()): | |
| 2300 continue | |
| 2301 | |
| 2302 accessKeyAttribute = element.attribute("accesskey").upper() | |
| 2303 if not accessKeyAttribute: | |
| 2304 continue | |
| 2305 | |
| 2306 accessKey = "" | |
| 2307 i = 0 | |
| 2308 while i < len(accessKeyAttribute): | |
| 2309 if accessKeyAttribute[i] in unusedKeys: | |
| 2310 accessKey = accessKeyAttribute[i] | |
| 2311 break | |
| 2312 i += 2 | |
| 2313 if accessKey == "": | |
| 2314 continue | |
| 2315 unusedKeys.remove(accessKey) | |
| 2316 self.__makeAccessLabel(accessKey, element) | |
| 2317 alreadyLabeled.append(element) | |
| 2318 | |
| 2319 # Pick an access key first from the letters in the text and then | |
| 2320 # from the list of unused access keys | |
| 2321 for elementType in supportedElements: | |
| 2322 result = self.page().mainFrame().findAllElements(elementType)\ | |
| 2323 .toList() | |
| 2324 for element in result: | |
| 2325 geometry = element.geometry() | |
| 2326 if not unusedKeys or \ | |
| 2327 element in alreadyLabeled or \ | |
| 2328 geometry.size().isEmpty() or \ | |
| 2329 not viewport.contains(geometry.topLeft()): | |
| 2330 continue | |
| 2331 | |
| 2332 accessKey = "" | |
| 2333 text = element.toPlainText().upper() | |
| 2334 for c in text: | |
| 2335 if c in unusedKeys: | |
| 2336 accessKey = c | |
| 2337 break | |
| 2338 if accessKey == "": | |
| 2339 accessKey = unusedKeys[0] | |
| 2340 unusedKeys.remove(accessKey) | |
| 2341 self.__makeAccessLabel(accessKey, element) | |
| 2342 | |
| 2343 def __makeAccessLabel(self, accessKey, element): | |
| 2344 """ | |
| 2345 Private method to generate the access label for an element. | |
| 2346 | |
| 2347 @param accessKey access key to generate the label for (str) | |
| 2348 @param element reference to the web element to create the label for | |
| 2349 (QWebElement) | |
| 2350 """ | |
| 2351 label = QLabel(self) | |
| 2352 label.setText("<qt><b>{0}</b></qt>".format(accessKey)) | |
| 2353 | |
| 2354 p = QToolTip.palette() | |
| 2355 color = QColor(Qt.yellow).lighter(150) | |
| 2356 color.setAlpha(175) | |
| 2357 p.setColor(QPalette.Window, color) | |
| 2358 label.setPalette(p) | |
| 2359 label.setAutoFillBackground(True) | |
| 2360 label.setFrameStyle(QFrame.Box | QFrame.Plain) | |
| 2361 point = element.geometry().center() | |
| 2362 point -= self.__page.mainFrame().scrollPosition() | |
| 2363 label.move(point) | |
| 2364 label.show() | |
| 2365 point.setX(point.x() - label.width() // 2) | |
| 2366 label.move(point) | |
| 2367 self.__accessKeyLabels.append(label) | |
| 2368 self.__accessKeyNodes[accessKey] = element | |
| 2369 | |
| 2370 ########################################################################### | |
| 2371 ## Miscellaneous methods below | |
| 2372 ########################################################################### | |
| 2373 | |
| 2374 def createWindow(self, windowType): | |
| 2375 """ | |
| 2376 Public method called, when a new window should be created. | |
| 2377 | |
| 2378 @param windowType type of the requested window (QWebPage.WebWindowType) | |
| 2379 @return reference to the created browser window (HelpBrowser) | |
| 2380 """ | |
| 2381 self.mw.newTab(addNextTo=self) | |
| 2382 return self.mw.currentBrowser() | |
| 2383 | |
| 2384 def preferencesChanged(self): | |
| 2385 """ | |
| 2386 Public method to indicate a change of the settings. | |
| 2387 """ | |
| 2388 self.__enableAccessKeys = Preferences.getHelp("AccessKeysEnabled") | |
| 2389 if not self.__enableAccessKeys: | |
| 2390 self.__hideAccessKeys() | |
| 2391 | |
| 2392 self.reload() | |
| 2393 | |
| 2394 ########################################################################### | |
| 2395 ## RSS related methods below | |
| 2396 ########################################################################### | |
| 2397 | |
| 2398 def checkRSS(self): | |
| 2399 """ | |
| 2400 Public method to check, if the loaded page contains feed links. | |
| 2401 | |
| 2402 @return flag indicating the existence of feed links (boolean) | |
| 2403 """ | |
| 2404 self.__rss = [] | |
| 2405 | |
| 2406 frame = self.page().mainFrame() | |
| 2407 linkElementsList = frame.findAllElements("link").toList() | |
| 2408 | |
| 2409 for linkElement in linkElementsList: | |
| 2410 # only atom+xml and rss+xml will be processed | |
| 2411 if linkElement.attribute("rel") != "alternate" or \ | |
| 2412 (linkElement.attribute("type") != "application/rss+xml" and | |
| 2413 linkElement.attribute("type") != "application/atom+xml"): | |
| 2414 continue | |
| 2415 | |
| 2416 title = linkElement.attribute("title") | |
| 2417 href = linkElement.attribute("href") | |
| 2418 if href == "" or title == "": | |
| 2419 continue | |
| 2420 self.__rss.append((title, href)) | |
| 2421 | |
| 2422 return len(self.__rss) > 0 | |
| 2423 | |
| 2424 def getRSS(self): | |
| 2425 """ | |
| 2426 Public method to get the extracted RSS feeds. | |
| 2427 | |
| 2428 @return list of RSS feeds (list of tuples of two strings) | |
| 2429 """ | |
| 2430 return self.__rss | |
| 2431 | |
| 2432 def hasRSS(self): | |
| 2433 """ | |
| 2434 Public method to check, if the loaded page has RSS links. | |
| 2435 | |
| 2436 @return flag indicating the presence of RSS links (boolean) | |
| 2437 """ | |
| 2438 return len(self.__rss) > 0 | |
| 2439 | |
| 2440 ########################################################################### | |
| 2441 ## Clicked Frame slots | |
| 2442 ########################################################################### | |
| 2443 | |
| 2444 def __loadClickedFrame(self): | |
| 2445 """ | |
| 2446 Private slot to load the selected frame only. | |
| 2447 """ | |
| 2448 self.setSource(self.__clickedFrame.url()) | |
| 2449 | |
| 2450 def __printClickedFrame(self): | |
| 2451 """ | |
| 2452 Private slot to print the selected frame. | |
| 2453 """ | |
| 2454 printer = QPrinter(mode=QPrinter.HighResolution) | |
| 2455 if Preferences.getPrinter("ColorMode"): | |
| 2456 printer.setColorMode(QPrinter.Color) | |
| 2457 else: | |
| 2458 printer.setColorMode(QPrinter.GrayScale) | |
| 2459 if Preferences.getPrinter("FirstPageFirst"): | |
| 2460 printer.setPageOrder(QPrinter.FirstPageFirst) | |
| 2461 else: | |
| 2462 printer.setPageOrder(QPrinter.LastPageFirst) | |
| 2463 printer.setPageMargins( | |
| 2464 Preferences.getPrinter("LeftMargin") * 10, | |
| 2465 Preferences.getPrinter("TopMargin") * 10, | |
| 2466 Preferences.getPrinter("RightMargin") * 10, | |
| 2467 Preferences.getPrinter("BottomMargin") * 10, | |
| 2468 QPrinter.Millimeter | |
| 2469 ) | |
| 2470 printerName = Preferences.getPrinter("PrinterName") | |
| 2471 if printerName: | |
| 2472 printer.setPrinterName(printerName) | |
| 2473 | |
| 2474 printDialog = QPrintDialog(printer, self) | |
| 2475 if printDialog.exec_() == QDialog.Accepted: | |
| 2476 try: | |
| 2477 self.__clickedFrame.print_(printer) | |
| 2478 except AttributeError: | |
| 2479 E5MessageBox.critical( | |
| 2480 self, | |
| 2481 self.tr("eric6 Web Browser"), | |
| 2482 self.tr( | |
| 2483 """<p>Printing is not available due to a bug in""" | |
| 2484 """ PyQt5. Please upgrade.</p>""")) | |
| 2485 | |
| 2486 def __printPreviewClickedFrame(self): | |
| 2487 """ | |
| 2488 Private slot to show a print preview of the clicked frame. | |
| 2489 """ | |
| 2490 from PyQt5.QtPrintSupport import QPrintPreviewDialog | |
| 2491 | |
| 2492 printer = QPrinter(mode=QPrinter.HighResolution) | |
| 2493 if Preferences.getPrinter("ColorMode"): | |
| 2494 printer.setColorMode(QPrinter.Color) | |
| 2495 else: | |
| 2496 printer.setColorMode(QPrinter.GrayScale) | |
| 2497 if Preferences.getPrinter("FirstPageFirst"): | |
| 2498 printer.setPageOrder(QPrinter.FirstPageFirst) | |
| 2499 else: | |
| 2500 printer.setPageOrder(QPrinter.LastPageFirst) | |
| 2501 printer.setPageMargins( | |
| 2502 Preferences.getPrinter("LeftMargin") * 10, | |
| 2503 Preferences.getPrinter("TopMargin") * 10, | |
| 2504 Preferences.getPrinter("RightMargin") * 10, | |
| 2505 Preferences.getPrinter("BottomMargin") * 10, | |
| 2506 QPrinter.Millimeter | |
| 2507 ) | |
| 2508 printerName = Preferences.getPrinter("PrinterName") | |
| 2509 if printerName: | |
| 2510 printer.setPrinterName(printerName) | |
| 2511 | |
| 2512 preview = QPrintPreviewDialog(printer, self) | |
| 2513 preview.paintRequested.connect(self.__generatePrintPreviewClickedFrame) | |
| 2514 preview.exec_() | |
| 2515 | |
| 2516 def __generatePrintPreviewClickedFrame(self, printer): | |
| 2517 """ | |
| 2518 Private slot to generate a print preview of the clicked frame. | |
| 2519 | |
| 2520 @param printer reference to the printer object (QPrinter) | |
| 2521 """ | |
| 2522 try: | |
| 2523 self.__clickedFrame.print_(printer) | |
| 2524 except AttributeError: | |
| 2525 E5MessageBox.critical( | |
| 2526 self, | |
| 2527 self.tr("eric6 Web Browser"), | |
| 2528 self.tr( | |
| 2529 """<p>Printing is not available due to a bug in PyQt5.""" | |
| 2530 """Please upgrade.</p>""")) | |
| 2531 return | |
| 2532 | |
| 2533 def __printPdfClickedFrame(self): | |
| 2534 """ | |
| 2535 Private slot to print the selected frame to PDF. | |
| 2536 """ | |
| 2537 printer = QPrinter(mode=QPrinter.HighResolution) | |
| 2538 if Preferences.getPrinter("ColorMode"): | |
| 2539 printer.setColorMode(QPrinter.Color) | |
| 2540 else: | |
| 2541 printer.setColorMode(QPrinter.GrayScale) | |
| 2542 printerName = Preferences.getPrinter("PrinterName") | |
| 2543 if printerName: | |
| 2544 printer.setPrinterName(printerName) | |
| 2545 printer.setOutputFormat(QPrinter.PdfFormat) | |
| 2546 name = self.__clickedFrame.url().path().rsplit('/', 1)[-1] | |
| 2547 if name: | |
| 2548 name = name.rsplit('.', 1)[0] | |
| 2549 name += '.pdf' | |
| 2550 printer.setOutputFileName(name) | |
| 2551 | |
| 2552 printDialog = QPrintDialog(printer, self) | |
| 2553 if printDialog.exec_() == QDialog.Accepted: | |
| 2554 try: | |
| 2555 self.__clickedFrame.print_(printer) | |
| 2556 except AttributeError: | |
| 2557 E5MessageBox.critical( | |
| 2558 self, | |
| 2559 self.tr("eric6 Web Browser"), | |
| 2560 self.tr( | |
| 2561 """<p>Printing is not available due to a bug in""" | |
| 2562 """ PyQt5. Please upgrade.</p>""")) | |
| 2563 return | |
| 2564 | |
| 2565 def __zoomInClickedFrame(self): | |
| 2566 """ | |
| 2567 Private slot to zoom into the clicked frame. | |
| 2568 """ | |
| 2569 index = self.__levelForZoom( | |
| 2570 int(self.__clickedFrame.zoomFactor() * 100)) | |
| 2571 if index < len(self.__zoomLevels) - 1: | |
| 2572 self.__clickedFrame.setZoomFactor( | |
| 2573 self.__zoomLevels[index + 1] / 100) | |
| 2574 | |
| 2575 def __zoomResetClickedFrame(self): | |
| 2576 """ | |
| 2577 Private slot to reset the zoom factor of the clicked frame. | |
| 2578 """ | |
| 2579 self.__clickedFrame.setZoomFactor(self.__currentZoom / 100) | |
| 2580 | |
| 2581 def __zoomOutClickedFrame(self): | |
| 2582 """ | |
| 2583 Private slot to zoom out of the clicked frame. | |
| 2584 """ | |
| 2585 index = self.__levelForZoom( | |
| 2586 int(self.__clickedFrame.zoomFactor() * 100)) | |
| 2587 if index > 0: | |
| 2588 self.__clickedFrame.setZoomFactor( | |
| 2589 self.__zoomLevels[index - 1] / 100) | |
| 2590 | |
| 2591 def __showClickedFrameSource(self): | |
| 2592 """ | |
| 2593 Private slot to show the source of the clicked frame. | |
| 2594 """ | |
| 2595 from QScintilla.MiniEditor import MiniEditor | |
| 2596 src = self.__clickedFrame.toHtml() | |
| 2597 editor = MiniEditor(parent=self) | |
| 2598 editor.setText(src, "Html") | |
| 2599 editor.setLanguage("dummy.html") | |
| 2600 editor.show() | |
| 2601 | |
| 2602 | |
| 2603 def contentSniff(data): | |
| 2604 """ | |
| 2605 Module function to do some content sniffing to check, if the data is HTML. | |
| 2606 | |
| 2607 @param data data block to sniff at (string) | |
| 2608 @return flag indicating HTML content (boolean) | |
| 2609 """ | |
| 2610 if data.contains("<!doctype") or \ | |
| 2611 data.contains("<script") or \ | |
| 2612 data.contains("<html") or \ | |
| 2613 data.contains("<!--") or \ | |
| 2614 data.contains("<head") or \ | |
| 2615 data.contains("<iframe") or \ | |
| 2616 data.contains("<h1") or \ | |
| 2617 data.contains("<div") or \ | |
| 2618 data.contains("<font") or \ | |
| 2619 data.contains("<table") or \ | |
| 2620 data.contains("<a") or \ | |
| 2621 data.contains("<style") or \ | |
| 2622 data.contains("<title") or \ | |
| 2623 data.contains("<b") or \ | |
| 2624 data.contains("<body") or \ | |
| 2625 data.contains("<br") or \ | |
| 2626 data.contains("<p"): | |
| 2627 return True | |
| 2628 | |
| 2629 return False |
