789 lines
28 KiB
Python
789 lines
28 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016-2018 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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import re
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import functools
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import xml.etree.ElementTree
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import pygments
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import pygments.lexers
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import pygments.formatters
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import sip
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from PyQt5.QtCore import (pyqtSlot, Qt, QEvent, QUrl, QPoint, QTimer, QSizeF,
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QSize)
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from PyQt5.QtGui import QKeyEvent
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from PyQt5.QtWebKitWidgets import QWebPage, QWebFrame
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from PyQt5.QtWebKit import QWebSettings
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from PyQt5.QtPrintSupport import QPrinter
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from qutebrowser.browser import browsertab
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from qutebrowser.browser.webkit import webview, tabhistory, webkitelem
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from qutebrowser.utils import qtutils, objreg, usertypes, utils, log, debug
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class WebKitAction(browsertab.AbstractAction):
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"""QtWebKit implementations related to web actions."""
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action_class = QWebPage
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action_base = QWebPage.WebAction
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def exit_fullscreen(self):
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raise browsertab.UnsupportedOperationError
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def save_page(self):
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"""Save the current page."""
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raise browsertab.UnsupportedOperationError
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def show_source(self):
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def show_source_cb(source):
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"""Show source as soon as it's ready."""
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# WORKAROUND for https://github.com/PyCQA/pylint/issues/491
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# pylint: disable=no-member
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lexer = pygments.lexers.HtmlLexer()
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formatter = pygments.formatters.HtmlFormatter(
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full=True, linenos='table')
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# pylint: enable=no-member
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highlighted = pygments.highlight(source, lexer, formatter)
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tb = objreg.get('tabbed-browser', scope='window',
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window=self._tab.win_id)
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new_tab = tb.tabopen(background=False, related=True)
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# The original URL becomes the path of a view-source: URL
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# (without a host), but query/fragment should stay.
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url = QUrl('view-source:' + urlstr)
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new_tab.set_html(highlighted, url)
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urlstr = self._tab.url().toString(QUrl.RemoveUserInfo)
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self._tab.dump_async(show_source_cb)
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class WebKitPrinting(browsertab.AbstractPrinting):
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"""QtWebKit implementations related to printing."""
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def check_pdf_support(self):
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pass
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def check_printer_support(self):
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pass
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def check_preview_support(self):
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pass
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def to_pdf(self, filename):
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printer = QPrinter()
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printer.setOutputFileName(filename)
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self.to_printer(printer)
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def to_printer(self, printer, callback=None):
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self._widget.print(printer)
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# Can't find out whether there was an error...
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if callback is not None:
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callback(True)
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class WebKitSearch(browsertab.AbstractSearch):
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"""QtWebKit implementations related to searching on the page."""
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def __init__(self, parent=None):
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super().__init__(parent)
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self._flags = QWebPage.FindFlags(0)
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def _call_cb(self, callback, found, text, flags, caller):
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"""Call the given callback if it's non-None.
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Delays the call via a QTimer so the website is re-rendered in between.
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Args:
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callback: What to call
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found: If the text was found
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text: The text searched for
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flags: The flags searched with
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caller: Name of the caller.
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"""
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found_text = 'found' if found else "didn't find"
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# Removing FindWrapsAroundDocument to get the same logging as with
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# QtWebEngine
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debug_flags = debug.qflags_key(
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QWebPage, flags & ~QWebPage.FindWrapsAroundDocument,
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klass=QWebPage.FindFlag)
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if debug_flags != '0x0000':
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flag_text = 'with flags {}'.format(debug_flags)
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else:
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flag_text = ''
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log.webview.debug(' '.join([caller, found_text, text, flag_text])
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.strip())
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if callback is not None:
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QTimer.singleShot(0, functools.partial(callback, found))
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def clear(self):
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self.search_displayed = False
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# We first clear the marked text, then the highlights
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self._widget.findText('')
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self._widget.findText('', QWebPage.HighlightAllOccurrences)
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def search(self, text, *, ignore_case='never', reverse=False,
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result_cb=None):
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self.search_displayed = True
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self.text = text
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self._flags = QWebPage.FindWrapsAroundDocument
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if self._is_case_sensitive(ignore_case):
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self._flags |= QWebPage.FindCaseSensitively
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if reverse:
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self._flags |= QWebPage.FindBackward
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# We actually search *twice* - once to highlight everything, then again
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# to get a mark so we can navigate.
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found = self._widget.findText(text, self._flags)
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self._widget.findText(text,
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self._flags | QWebPage.HighlightAllOccurrences)
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self._call_cb(result_cb, found, text, self._flags, 'search')
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def next_result(self, *, result_cb=None):
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self.search_displayed = True
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found = self._widget.findText(self.text, self._flags)
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self._call_cb(result_cb, found, self.text, self._flags, 'next_result')
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def prev_result(self, *, result_cb=None):
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self.search_displayed = True
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# The int() here makes sure we get a copy of the flags.
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flags = QWebPage.FindFlags(int(self._flags))
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if flags & QWebPage.FindBackward:
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flags &= ~QWebPage.FindBackward
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else:
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flags |= QWebPage.FindBackward
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found = self._widget.findText(self.text, flags)
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self._call_cb(result_cb, found, self.text, flags, 'prev_result')
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class WebKitCaret(browsertab.AbstractCaret):
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"""QtWebKit implementations related to moving the cursor/selection."""
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@pyqtSlot(usertypes.KeyMode)
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def _on_mode_entered(self, mode):
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if mode != usertypes.KeyMode.caret:
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return
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settings = self._widget.settings()
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settings.setAttribute(QWebSettings.CaretBrowsingEnabled, True)
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self.selection_enabled = bool(self._selection())
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if self._widget.isVisible():
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# Sometimes the caret isn't immediately visible, but unfocusing
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# and refocusing it fixes that.
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self._widget.clearFocus()
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self._widget.setFocus(Qt.OtherFocusReason)
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# Move the caret to the first element in the viewport if there
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# isn't any text which is already selected.
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#
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# Note: We can't use hasSelection() here, as that's always
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# true in caret mode.
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if not self.selection_enabled:
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self._widget.page().currentFrame().evaluateJavaScript(
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utils.read_file('javascript/position_caret.js'))
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@pyqtSlot()
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def _on_mode_left(self):
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settings = self._widget.settings()
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if settings.testAttribute(QWebSettings.CaretBrowsingEnabled):
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if self.selection_enabled and self._widget.hasSelection():
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# Remove selection if it exists
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self._widget.triggerPageAction(QWebPage.MoveToNextChar)
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settings.setAttribute(QWebSettings.CaretBrowsingEnabled, False)
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self.selection_enabled = False
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def move_to_next_line(self, count=1):
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if not self.selection_enabled:
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act = QWebPage.MoveToNextLine
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else:
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act = QWebPage.SelectNextLine
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for _ in range(count):
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self._widget.triggerPageAction(act)
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def move_to_prev_line(self, count=1):
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if not self.selection_enabled:
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act = QWebPage.MoveToPreviousLine
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else:
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act = QWebPage.SelectPreviousLine
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for _ in range(count):
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self._widget.triggerPageAction(act)
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def move_to_next_char(self, count=1):
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if not self.selection_enabled:
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act = QWebPage.MoveToNextChar
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else:
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act = QWebPage.SelectNextChar
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for _ in range(count):
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self._widget.triggerPageAction(act)
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def move_to_prev_char(self, count=1):
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if not self.selection_enabled:
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act = QWebPage.MoveToPreviousChar
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else:
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act = QWebPage.SelectPreviousChar
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for _ in range(count):
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self._widget.triggerPageAction(act)
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def move_to_end_of_word(self, count=1):
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if not self.selection_enabled:
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act = [QWebPage.MoveToNextWord]
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if utils.is_windows: # pragma: no cover
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act.append(QWebPage.MoveToPreviousChar)
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else:
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act = [QWebPage.SelectNextWord]
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if utils.is_windows: # pragma: no cover
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act.append(QWebPage.SelectPreviousChar)
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for _ in range(count):
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for a in act:
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self._widget.triggerPageAction(a)
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def move_to_next_word(self, count=1):
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if not self.selection_enabled:
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act = [QWebPage.MoveToNextWord]
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if not utils.is_windows: # pragma: no branch
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act.append(QWebPage.MoveToNextChar)
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else:
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act = [QWebPage.SelectNextWord]
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if not utils.is_windows: # pragma: no branch
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act.append(QWebPage.SelectNextChar)
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for _ in range(count):
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for a in act:
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self._widget.triggerPageAction(a)
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def move_to_prev_word(self, count=1):
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if not self.selection_enabled:
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act = QWebPage.MoveToPreviousWord
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else:
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act = QWebPage.SelectPreviousWord
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for _ in range(count):
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self._widget.triggerPageAction(act)
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def move_to_start_of_line(self):
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if not self.selection_enabled:
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act = QWebPage.MoveToStartOfLine
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else:
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act = QWebPage.SelectStartOfLine
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self._widget.triggerPageAction(act)
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def move_to_end_of_line(self):
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if not self.selection_enabled:
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act = QWebPage.MoveToEndOfLine
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else:
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act = QWebPage.SelectEndOfLine
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self._widget.triggerPageAction(act)
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def move_to_start_of_next_block(self, count=1):
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if not self.selection_enabled:
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act = [QWebPage.MoveToNextLine,
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QWebPage.MoveToStartOfBlock]
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else:
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act = [QWebPage.SelectNextLine,
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QWebPage.SelectStartOfBlock]
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for _ in range(count):
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for a in act:
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self._widget.triggerPageAction(a)
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def move_to_start_of_prev_block(self, count=1):
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if not self.selection_enabled:
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act = [QWebPage.MoveToPreviousLine,
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QWebPage.MoveToStartOfBlock]
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else:
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act = [QWebPage.SelectPreviousLine,
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QWebPage.SelectStartOfBlock]
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for _ in range(count):
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for a in act:
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self._widget.triggerPageAction(a)
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def move_to_end_of_next_block(self, count=1):
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if not self.selection_enabled:
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act = [QWebPage.MoveToNextLine,
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QWebPage.MoveToEndOfBlock]
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else:
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act = [QWebPage.SelectNextLine,
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QWebPage.SelectEndOfBlock]
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for _ in range(count):
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for a in act:
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self._widget.triggerPageAction(a)
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def move_to_end_of_prev_block(self, count=1):
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if not self.selection_enabled:
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act = [QWebPage.MoveToPreviousLine, QWebPage.MoveToEndOfBlock]
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else:
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act = [QWebPage.SelectPreviousLine, QWebPage.SelectEndOfBlock]
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for _ in range(count):
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for a in act:
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self._widget.triggerPageAction(a)
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def move_to_start_of_document(self):
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if not self.selection_enabled:
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act = QWebPage.MoveToStartOfDocument
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else:
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act = QWebPage.SelectStartOfDocument
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self._widget.triggerPageAction(act)
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def move_to_end_of_document(self):
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if not self.selection_enabled:
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act = QWebPage.MoveToEndOfDocument
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else:
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act = QWebPage.SelectEndOfDocument
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self._widget.triggerPageAction(act)
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def toggle_selection(self):
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self.selection_enabled = not self.selection_enabled
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mainwindow = objreg.get('main-window', scope='window',
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window=self._tab.win_id)
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mainwindow.status.set_mode_active(usertypes.KeyMode.caret, True)
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def drop_selection(self):
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self._widget.triggerPageAction(QWebPage.MoveToNextChar)
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def has_selection(self):
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return self._widget.hasSelection()
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def selection(self, html=False, callback=False):
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callback(self._selection(html))
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def _selection(self, html=False):
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if html:
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return self._widget.selectedHtml()
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else:
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return self._widget.selectedText()
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def follow_selected(self, *, tab=False):
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if not self.has_selection():
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return
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if QWebSettings.globalSettings().testAttribute(
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QWebSettings.JavascriptEnabled):
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if tab:
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self._tab.data.override_target = usertypes.ClickTarget.tab
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self._tab.run_js_async(
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'window.getSelection().anchorNode.parentNode.click()')
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else:
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selection = self._selection(html=True)
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try:
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selected_element = xml.etree.ElementTree.fromstring(
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'<html>{}</html>'.format(selection)).find('a')
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except xml.etree.ElementTree.ParseError:
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raise browsertab.WebTabError('Could not parse selected '
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'element!')
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if selected_element is not None:
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try:
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url = selected_element.attrib['href']
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except KeyError:
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raise browsertab.WebTabError('Anchor element without '
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'href!')
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url = self._tab.url().resolved(QUrl(url))
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if tab:
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self._tab.new_tab_requested.emit(url)
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else:
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self._tab.openurl(url)
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class WebKitZoom(browsertab.AbstractZoom):
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"""QtWebKit implementations related to zooming."""
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def _set_factor_internal(self, factor):
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self._widget.setZoomFactor(factor)
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class WebKitScroller(browsertab.AbstractScroller):
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"""QtWebKit implementations related to scrolling."""
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# FIXME:qtwebengine When to use the main frame, when the current one?
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def pos_px(self):
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return self._widget.page().mainFrame().scrollPosition()
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def pos_perc(self):
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return self._widget.scroll_pos
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def to_point(self, point):
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self._widget.page().mainFrame().setScrollPosition(point)
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def delta(self, x=0, y=0):
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qtutils.check_overflow(x, 'int')
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qtutils.check_overflow(y, 'int')
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self._widget.page().mainFrame().scroll(x, y)
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def delta_page(self, x=0.0, y=0.0):
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if y.is_integer():
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y = int(y)
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if y == 0:
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pass
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elif y < 0:
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self.page_up(count=-y)
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elif y > 0:
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self.page_down(count=y)
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y = 0
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if x == 0 and y == 0:
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return
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size = self._widget.page().mainFrame().geometry()
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self.delta(x * size.width(), y * size.height())
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def to_perc(self, x=None, y=None):
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if x is None and y == 0:
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self.top()
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elif x is None and y == 100:
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self.bottom()
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else:
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for val, orientation in [(x, Qt.Horizontal), (y, Qt.Vertical)]:
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if val is not None:
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frame = self._widget.page().mainFrame()
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maximum = frame.scrollBarMaximum(orientation)
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if maximum == 0:
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continue
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pos = int(maximum * val / 100)
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pos = qtutils.check_overflow(pos, 'int', fatal=False)
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frame.setScrollBarValue(orientation, pos)
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def _key_press(self, key, count=1, getter_name=None, direction=None):
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frame = self._widget.page().mainFrame()
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getter = None if getter_name is None else getattr(frame, getter_name)
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# FIXME:qtwebengine needed?
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# self._widget.setFocus()
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for _ in range(min(count, 5000)):
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# Abort scrolling if the minimum/maximum was reached.
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if (getter is not None and
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frame.scrollBarValue(direction) == getter(direction)):
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return
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self._tab.key_press(key)
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def up(self, count=1):
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self._key_press(Qt.Key_Up, count, 'scrollBarMinimum', Qt.Vertical)
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def down(self, count=1):
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self._key_press(Qt.Key_Down, count, 'scrollBarMaximum', Qt.Vertical)
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def left(self, count=1):
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self._key_press(Qt.Key_Left, count, 'scrollBarMinimum', Qt.Horizontal)
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def right(self, count=1):
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self._key_press(Qt.Key_Right, count, 'scrollBarMaximum', Qt.Horizontal)
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def top(self):
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self._key_press(Qt.Key_Home)
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def bottom(self):
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self._key_press(Qt.Key_End)
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def page_up(self, count=1):
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self._key_press(Qt.Key_PageUp, count, 'scrollBarMinimum', Qt.Vertical)
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def page_down(self, count=1):
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self._key_press(Qt.Key_PageDown, count, 'scrollBarMaximum',
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Qt.Vertical)
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def at_top(self):
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return self.pos_px().y() == 0
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def at_bottom(self):
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frame = self._widget.page().currentFrame()
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return self.pos_px().y() >= frame.scrollBarMaximum(Qt.Vertical)
|
|
|
|
|
|
class WebKitHistory(browsertab.AbstractHistory):
|
|
|
|
"""QtWebKit implementations related to page history."""
|
|
|
|
def current_idx(self):
|
|
return self._history.currentItemIndex()
|
|
|
|
def can_go_back(self):
|
|
return self._history.canGoBack()
|
|
|
|
def can_go_forward(self):
|
|
return self._history.canGoForward()
|
|
|
|
def _item_at(self, i):
|
|
return self._history.itemAt(i)
|
|
|
|
def _go_to_item(self, item):
|
|
return self._history.goToItem(item)
|
|
|
|
def serialize(self):
|
|
return qtutils.serialize(self._history)
|
|
|
|
def deserialize(self, data):
|
|
return qtutils.deserialize(data, self._history)
|
|
|
|
def load_items(self, items):
|
|
stream, _data, user_data = tabhistory.serialize(items)
|
|
qtutils.deserialize_stream(stream, self._history)
|
|
for i, data in enumerate(user_data):
|
|
self._history.itemAt(i).setUserData(data)
|
|
cur_data = self._history.currentItem().userData()
|
|
if cur_data is not None:
|
|
if 'zoom' in cur_data:
|
|
self._tab.zoom.set_factor(cur_data['zoom'])
|
|
if ('scroll-pos' in cur_data and
|
|
self._tab.scroller.pos_px() == QPoint(0, 0)):
|
|
QTimer.singleShot(0, functools.partial(
|
|
self._tab.scroller.to_point, cur_data['scroll-pos']))
|
|
|
|
|
|
class WebKitElements(browsertab.AbstractElements):
|
|
|
|
"""QtWebKit implemementations related to elements on the page."""
|
|
|
|
def find_css(self, selector, callback, *, only_visible=False):
|
|
mainframe = self._widget.page().mainFrame()
|
|
if mainframe is None:
|
|
raise browsertab.WebTabError("No frame focused!")
|
|
|
|
elems = []
|
|
frames = webkitelem.get_child_frames(mainframe)
|
|
for f in frames:
|
|
for elem in f.findAllElements(selector):
|
|
elems.append(webkitelem.WebKitElement(elem, tab=self._tab))
|
|
|
|
if only_visible:
|
|
# pylint: disable=protected-access
|
|
elems = [e for e in elems if e._is_visible(mainframe)]
|
|
# pylint: enable=protected-access
|
|
|
|
callback(elems)
|
|
|
|
def find_id(self, elem_id, callback):
|
|
def find_id_cb(elems):
|
|
"""Call the real callback with the found elements."""
|
|
if not elems:
|
|
callback(None)
|
|
else:
|
|
callback(elems[0])
|
|
|
|
# Escape non-alphanumeric characters in the selector
|
|
# https://www.w3.org/TR/CSS2/syndata.html#value-def-identifier
|
|
elem_id = re.sub(r'[^a-zA-Z0-9_-]', r'\\\g<0>', elem_id)
|
|
self.find_css('#' + elem_id, find_id_cb)
|
|
|
|
def find_focused(self, callback):
|
|
frame = self._widget.page().currentFrame()
|
|
if frame is None:
|
|
callback(None)
|
|
return
|
|
|
|
elem = frame.findFirstElement('*:focus')
|
|
if elem.isNull():
|
|
callback(None)
|
|
else:
|
|
callback(webkitelem.WebKitElement(elem, tab=self._tab))
|
|
|
|
def find_at_pos(self, pos, callback):
|
|
assert pos.x() >= 0
|
|
assert pos.y() >= 0
|
|
frame = self._widget.page().frameAt(pos)
|
|
if frame is None:
|
|
# This happens when we click inside the webview, but not actually
|
|
# on the QWebPage - for example when clicking the scrollbar
|
|
# sometimes.
|
|
log.webview.debug("Hit test at {} but frame is None!".format(pos))
|
|
callback(None)
|
|
return
|
|
|
|
# You'd think we have to subtract frame.geometry().topLeft() from the
|
|
# position, but it seems QWebFrame::hitTestContent wants a position
|
|
# relative to the QWebView, not to the frame. This makes no sense to
|
|
# me, but it works this way.
|
|
hitresult = frame.hitTestContent(pos)
|
|
if hitresult.isNull():
|
|
# For some reason, the whole hit result can be null sometimes (e.g.
|
|
# on doodle menu links).
|
|
log.webview.debug("Hit test result is null!")
|
|
callback(None)
|
|
return
|
|
|
|
try:
|
|
elem = webkitelem.WebKitElement(hitresult.element(), tab=self._tab)
|
|
except webkitelem.IsNullError:
|
|
# For some reason, the hit result element can be a null element
|
|
# sometimes (e.g. when clicking the timetable fields on
|
|
# http://www.sbb.ch/ ).
|
|
log.webview.debug("Hit test result element is null!")
|
|
callback(None)
|
|
return
|
|
|
|
callback(elem)
|
|
|
|
|
|
class WebKitTab(browsertab.AbstractTab):
|
|
|
|
"""A QtWebKit tab in the browser."""
|
|
|
|
def __init__(self, *, win_id, mode_manager, private, parent=None):
|
|
super().__init__(win_id=win_id, mode_manager=mode_manager,
|
|
private=private, parent=parent)
|
|
widget = webview.WebView(win_id=win_id, tab_id=self.tab_id,
|
|
private=private, tab=self)
|
|
if private:
|
|
self._make_private(widget)
|
|
self.history = WebKitHistory(self)
|
|
self.scroller = WebKitScroller(self, parent=self)
|
|
self.caret = WebKitCaret(mode_manager=mode_manager,
|
|
tab=self, parent=self)
|
|
self.zoom = WebKitZoom(tab=self, parent=self)
|
|
self.search = WebKitSearch(parent=self)
|
|
self.printing = WebKitPrinting()
|
|
self.elements = WebKitElements(tab=self)
|
|
self.action = WebKitAction(tab=self)
|
|
self._set_widget(widget)
|
|
self._connect_signals()
|
|
self.backend = usertypes.Backend.QtWebKit
|
|
|
|
def _install_event_filter(self):
|
|
self._widget.installEventFilter(self._mouse_event_filter)
|
|
|
|
def _make_private(self, widget):
|
|
settings = widget.settings()
|
|
settings.setAttribute(QWebSettings.PrivateBrowsingEnabled, True)
|
|
|
|
def openurl(self, url):
|
|
self._openurl_prepare(url)
|
|
self._widget.openurl(url)
|
|
|
|
def url(self, requested=False):
|
|
frame = self._widget.page().mainFrame()
|
|
if requested:
|
|
return frame.requestedUrl()
|
|
else:
|
|
return frame.url()
|
|
|
|
def dump_async(self, callback, *, plain=False):
|
|
frame = self._widget.page().mainFrame()
|
|
if plain:
|
|
callback(frame.toPlainText())
|
|
else:
|
|
callback(frame.toHtml())
|
|
|
|
def run_js_async(self, code, callback=None, *, world=None):
|
|
if world is not None and world != usertypes.JsWorld.jseval:
|
|
log.webview.warning("Ignoring world ID {}".format(world))
|
|
document_element = self._widget.page().mainFrame().documentElement()
|
|
result = document_element.evaluateJavaScript(code)
|
|
if callback is not None:
|
|
callback(result)
|
|
|
|
def icon(self):
|
|
return self._widget.icon()
|
|
|
|
def shutdown(self):
|
|
self._widget.shutdown()
|
|
|
|
def reload(self, *, force=False):
|
|
if force:
|
|
action = QWebPage.ReloadAndBypassCache
|
|
else:
|
|
action = QWebPage.Reload
|
|
self._widget.triggerPageAction(action)
|
|
|
|
def stop(self):
|
|
self._widget.stop()
|
|
|
|
def title(self):
|
|
return self._widget.title()
|
|
|
|
def clear_ssl_errors(self):
|
|
self.networkaccessmanager().clear_all_ssl_errors()
|
|
|
|
def key_press(self, key, modifier=Qt.NoModifier):
|
|
press_evt = QKeyEvent(QEvent.KeyPress, key, modifier, 0, 0, 0)
|
|
release_evt = QKeyEvent(QEvent.KeyRelease, key, modifier,
|
|
0, 0, 0)
|
|
self.send_event(press_evt)
|
|
self.send_event(release_evt)
|
|
|
|
@pyqtSlot()
|
|
def _on_history_trigger(self):
|
|
url = self.url()
|
|
requested_url = self.url(requested=True)
|
|
self.add_history_item.emit(url, requested_url, self.title())
|
|
|
|
def set_html(self, html, base_url=QUrl()):
|
|
self._widget.setHtml(html, base_url)
|
|
|
|
def networkaccessmanager(self):
|
|
return self._widget.page().networkAccessManager()
|
|
|
|
def user_agent(self):
|
|
page = self._widget.page()
|
|
return page.userAgentForUrl(self.url())
|
|
|
|
@pyqtSlot()
|
|
def _on_frame_load_finished(self):
|
|
"""Make sure we emit an appropriate status when loading finished.
|
|
|
|
While Qt has a bool "ok" attribute for loadFinished, it always is True
|
|
when using error pages... See
|
|
https://github.com/qutebrowser/qutebrowser/issues/84
|
|
"""
|
|
self._on_load_finished(not self._widget.page().error_occurred)
|
|
|
|
@pyqtSlot()
|
|
def _on_webkit_icon_changed(self):
|
|
"""Emit iconChanged with a QIcon like QWebEngineView does."""
|
|
if sip.isdeleted(self._widget):
|
|
log.webview.debug("Got _on_webkit_icon_changed for deleted view!")
|
|
return
|
|
self.icon_changed.emit(self._widget.icon())
|
|
|
|
@pyqtSlot(QWebFrame)
|
|
def _on_frame_created(self, frame):
|
|
"""Connect the contentsSizeChanged signal of each frame."""
|
|
# FIXME:qtwebengine those could theoretically regress:
|
|
# https://github.com/qutebrowser/qutebrowser/issues/152
|
|
# https://github.com/qutebrowser/qutebrowser/issues/263
|
|
frame.contentsSizeChanged.connect(self._on_contents_size_changed)
|
|
|
|
@pyqtSlot(QSize)
|
|
def _on_contents_size_changed(self, size):
|
|
self.contents_size_changed.emit(QSizeF(size))
|
|
|
|
def _connect_signals(self):
|
|
view = self._widget
|
|
page = view.page()
|
|
frame = page.mainFrame()
|
|
page.windowCloseRequested.connect(self.window_close_requested)
|
|
page.linkHovered.connect(self.link_hovered)
|
|
page.loadProgress.connect(self._on_load_progress)
|
|
frame.loadStarted.connect(self._on_load_started)
|
|
view.scroll_pos_changed.connect(self.scroller.perc_changed)
|
|
view.titleChanged.connect(self.title_changed)
|
|
view.urlChanged.connect(self._on_url_changed)
|
|
view.shutting_down.connect(self.shutting_down)
|
|
page.networkAccessManager().sslErrors.connect(self._on_ssl_errors)
|
|
frame.loadFinished.connect(self._on_frame_load_finished)
|
|
view.iconChanged.connect(self._on_webkit_icon_changed)
|
|
page.frameCreated.connect(self._on_frame_created)
|
|
frame.contentsSizeChanged.connect(self._on_contents_size_changed)
|
|
frame.initialLayoutCompleted.connect(self._on_history_trigger)
|
|
|
|
def event_target(self):
|
|
return self._widget
|