Mercurial Repositories > eric / file comparison
comparison: WebBrowser/SpeedDial/PageThumbnailer.py
WebBrowser/SpeedDial/PageThumbnailer.py
- branch
- QtWebEngine
- changeset 4868
- 985d275502c8
- parent 4865
- 4adc526bc4b3
- child 4869
- d1b3addfbd07
equal
deleted
inserted
replaced
| 4865:4adc526bc4b3 | 4868:985d275502c8 |
|---|---|
| 7 Module implementing an object to create a thumbnail image of a web site. | 7 Module implementing an object to create a thumbnail image of a web site. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from __future__ import unicode_literals | 10 from __future__ import unicode_literals |
| 11 | 11 |
| 12 from PyQt5.QtCore import pyqtSignal, QObject, QSize, Qt, QUrl | 12 from PyQt5.QtCore import pyqtSignal, pyqtSlot, QObject, QSize, Qt, QUrl, \ |
| 13 from PyQt5.QtGui import QPixmap, QImage, QPainter | 13 QTimer |
| 14 from PyQt5.QtWebKitWidgets import QWebPage | 14 from PyQt5.QtGui import QPixmap |
| 15 | 15 from PyQt5.QtQuickWidgets import QQuickWidget |
| 16 from ..Network.NetworkAccessManagerProxy import NetworkAccessManagerProxy | |
| 17 | 16 |
| 18 | 17 |
| 19 class PageThumbnailer(QObject): | 18 class PageThumbnailer(QObject): |
| 20 """ | 19 """ |
| 21 Class implementing a thumbnail creator for web sites. | 20 Class implementing a thumbnail creator for web sites. |
| 31 | 30 |
| 32 @param parent reference to the parent object (QObject) | 31 @param parent reference to the parent object (QObject) |
| 33 """ | 32 """ |
| 34 super(PageThumbnailer, self).__init__(parent) | 33 super(PageThumbnailer, self).__init__(parent) |
| 35 | 34 |
| 36 self.__page = QWebPage(self) | |
| 37 self.__size = QSize(231, 130) | 35 self.__size = QSize(231, 130) |
| 36 ## self.__size = QSize(450, 253) | |
| 38 self.__loadTitle = False | 37 self.__loadTitle = False |
| 39 self.__title = "" | 38 self.__title = "" |
| 40 self.__url = QUrl() | 39 self.__url = QUrl() |
| 41 | 40 |
| 42 self.__proxy = NetworkAccessManagerProxy(self) | 41 self.__view = QQuickWidget() |
| 43 import Helpviewer.HelpWindow | 42 # TODO: uncomment once PyQt5 is fixed |
| 44 self.__proxy.setPrimaryNetworkAccessManager( | 43 ## self.__view.setAttribute(Qt.WA_DontShowOnScreen) |
| 45 Helpviewer.HelpWindow.HelpWindow.networkAccessManager()) | 44 self.__view.setSource(QUrl("qrc:qml/thumbnailer.qml")) |
| 46 self.__page.setNetworkAccessManager(self.__proxy) | 45 self.__view.rootContext().setContextProperty("thumbnailer", self) |
| 47 | 46 self.__view.show() |
| 48 self.__page.mainFrame().setScrollBarPolicy( | |
| 49 Qt.Horizontal, Qt.ScrollBarAlwaysOff) | |
| 50 self.__page.mainFrame().setScrollBarPolicy( | |
| 51 Qt.Vertical, Qt.ScrollBarAlwaysOff) | |
| 52 | |
| 53 # Full HD | |
| 54 # Every page should fit in this resolution | |
| 55 self.__page.setViewportSize(QSize(1920, 1080)) | |
| 56 | 47 |
| 57 def setSize(self, size): | 48 def setSize(self, size): |
| 58 """ | 49 """ |
| 59 Public method to set the size of the image. | 50 Public method to set the size of the image. |
| 60 | 51 |
| 101 """ | 92 """ |
| 102 Public method to get the title of the thumbnail. | 93 Public method to get the title of the thumbnail. |
| 103 | 94 |
| 104 @return title of the thumbnail (string) | 95 @return title of the thumbnail (string) |
| 105 """ | 96 """ |
| 106 return self.__title | 97 if self.__title: |
| 98 title = self.__title | |
| 99 else: | |
| 100 title = self.__url.host() | |
| 101 if not title: | |
| 102 title = self.__url.toString() | |
| 103 return title | |
| 107 | 104 |
| 108 def start(self): | 105 def start(self): |
| 109 """ | 106 """ |
| 110 Public method to start the thumbnailing action. | 107 Public method to start the thumbnailing action. |
| 111 """ | 108 """ |
| 112 self.__page.loadFinished.connect(self.__createThumbnail) | 109 if self.__view.rootObject(): |
| 113 self.__page.mainFrame().load(self.__url) | 110 self.__view.rootObject().setProperty("url", self.__url) |
| 111 else: | |
| 112 QTimer.singleShot(0, lambda: self.thumbnailCreated.emit(QPixmap())) | |
| 114 | 113 |
| 115 def __createThumbnail(self, status): | 114 @pyqtSlot(bool) |
| 115 def createThumbnail(self, status): | |
| 116 """ | 116 """ |
| 117 Private slot creating the thumbnail of the web site. | 117 Private slot creating the thumbnail of the web site. |
| 118 | 118 |
| 119 @param status flag indicating a successful load of the web site | 119 @param status flag indicating a successful load of the web site |
| 120 (boolean) | 120 (boolean) |
| 121 """ | 121 """ |
| 122 if not status: | 122 if not status: |
| 123 self.thumbnailCreated.emit(QPixmap()) | 123 self.thumbnailCreated.emit(QPixmap()) |
| 124 return | 124 return |
| 125 | 125 |
| 126 self.__title = self.__page.mainFrame().title() | 126 QTimer.singleShot(1000, self.__grabThumbnail) |
| 127 | 127 |
| 128 image = QImage(self.__page.viewportSize(), QImage.Format_ARGB32) | 128 def __grabThumbnail(self): |
| 129 painter = QPainter(image) | 129 """ |
| 130 self.__page.mainFrame().render(painter) | 130 Private slot to grab the thumbnail image from the view. |
| 131 painter.end() | 131 """ |
| 132 | 132 self.__title = self.__view.rootObject().property("title") |
| 133 scaledImage = image.scaled(self.__size, | 133 pixmap = QPixmap.fromImage( |
| 134 Qt.KeepAspectRatioByExpanding, | 134 self.__view.grabFramebuffer().scaled( |
| 135 Qt.SmoothTransformation) | 135 self.__size, Qt.KeepAspectRatioByExpanding, |
| 136 | 136 ## self.__size, Qt.IgnoreAspectRatio, |
| 137 self.thumbnailCreated.emit(QPixmap.fromImage(scaledImage)) | 137 Qt.SmoothTransformation)) |
| 138 self.thumbnailCreated.emit(pixmap) |
