155 lines
4.9 KiB
Python
155 lines
4.9 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Wrapper over our (QtWebKit) WebView."""
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from PyQt5.QtCore import pyqtSlot
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from PyQt5.QtWebKitWidgets import QWebPage
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from qutebrowser.browser import tab
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from qutebrowser.browser.webkit import webview
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from qutebrowser.utils import qtutils
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class WebViewHistory(tab.AbstractHistory):
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def __iter__(self):
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return iter(self.history.items())
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def current_idx(self):
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return self.history.currentItemIndex()
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def back(self):
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self.history.back()
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def forward(self):
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self.history.forward()
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def can_go_back(self):
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return self.history.canGoBack()
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def can_go_forward(self):
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return self.history.canGoForward()
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def serialize(self):
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return qtutils.serialize(self.history)
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def deserialize(self, data):
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return qtutils.deserialize(self.history)
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def load_items(self, items):
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stream, _data, user_data = tabhistory.serialize(items)
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qtutils.deserialize_stream(stream, self.history)
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for i, data in enumerate(user_data):
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self.history.itemAt(i).setUserData(data)
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cur_data = self.history.currentItem().userData()
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if cur_data is not None:
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if 'zoom' in cur_data:
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self.tab.zoom_perc(cur_data['zoom'] * 100)
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if ('scroll-pos' in cur_data and
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self.tab.scroll_pos_px() == QPoint(0, 0)):
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QTimer.singleShot(0, functools.partial(
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self.tab.scroll, cur_data['scroll-pos']))
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class WebViewTab(tab.AbstractTab):
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def __init__(self, win_id, parent=None):
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super().__init__(win_id)
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widget = webview.WebView(win_id, self.tab_id)
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self.history = WebViewHistory(self)
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self._set_widget(widget)
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self._connect_signals()
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def openurl(self, url):
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self._widget.openurl(url)
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@property
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def cur_url(self):
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return self._widget.cur_url
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@property
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def progress(self):
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return self._widget.progress
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@property
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def load_status(self):
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return self._widget.load_status
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def scroll_pos_perc(self):
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return self._widget.scroll_pos
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def scroll_pos_px(self):
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return self._widget.page().mainFrame().scrollPosition()
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def dump_async(self, callback=None, *, plain=False):
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frame = self._widget.page().mainFrame()
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if plain:
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callback(frame.toPlainText())
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else:
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callback(frame.toHtml())
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def shutdown(self):
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self._widget.shutdown()
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def reload(self, *, force=False):
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if force:
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action = QWebPage.ReloadAndBypassCache
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else:
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action = QWebPage.Reload
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self._widget.triggerPageAction(action)
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def stop(self):
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self._widget.stop()
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def title(self):
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return self._widget.title()
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def set_zoom_factor(self, factor):
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self._widget.setZoomFactor(factor)
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def zoom_factor(self):
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return self._widget.zoomFactor()
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def _connect_signals(self):
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view = self._widget
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page = view.page()
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frame = page.mainFrame()
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page.windowCloseRequested.connect(self.window_close_requested)
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page.linkHovered.connect(self.link_hovered)
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page.loadProgress.connect(self.load_progress)
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frame.loadStarted.connect(self.load_started)
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view.scroll_pos_changed.connect(self.scroll_pos_changed)
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view.titleChanged.connect(self.title_changed)
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view.url_text_changed.connect(self.url_text_changed)
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view.load_status_changed.connect(self.load_status_changed)
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view.shutting_down.connect(self.shutting_down)
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# Make sure we emit an appropriate status when loading finished.
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# While Qt has a bool "ok" attribute for loadFinished, it always is True
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# when using error pages...
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# See https://github.com/The-Compiler/qutebrowser/issues/84
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frame.loadFinished.connect(lambda:
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self.load_finished.emit(
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not self._widget.page().error_occurred))
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# Emit iconChanged with a QIcon like QWebEngineView does.
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view.iconChanged.connect(lambda:
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self.icon_changed.emit(self._widget.icon()))
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