101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2015-2017 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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"""Base class for a QtWebKit/QtWebEngine web inspector."""
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import base64
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import binascii
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from PyQt5.QtWidgets import QWidget
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from qutebrowser.config import configfiles
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from qutebrowser.utils import log, usertypes
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from qutebrowser.misc import miscwidgets, objects
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def create(parent=None):
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"""Get a WebKitInspector/WebEngineInspector.
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Args:
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parent: The Qt parent to set.
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"""
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# Importing modules here so we don't depend on QtWebEngine without the
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# argument and to avoid circular imports.
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if objects.backend == usertypes.Backend.QtWebEngine:
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from qutebrowser.browser.webengine import webengineinspector
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return webengineinspector.WebEngineInspector(parent)
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else:
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from qutebrowser.browser.webkit import webkitinspector
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return webkitinspector.WebKitInspector(parent)
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class WebInspectorError(Exception):
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"""Raised when the inspector could not be initialized."""
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pass
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class AbstractWebInspector(QWidget):
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"""A customized WebInspector which stores its geometry."""
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def __init__(self, parent=None):
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super().__init__(parent)
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self._widget = None
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self._layout = miscwidgets.WrapperLayout(self)
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self._load_state_geometry()
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def _set_widget(self, widget):
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self._widget = widget
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self._layout.wrap(self, widget)
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def _load_state_geometry(self):
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"""Load the geometry from the state file."""
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try:
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data = configfiles.state['geometry']['inspector']
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geom = base64.b64decode(data, validate=True)
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except KeyError:
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# First start
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pass
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except binascii.Error:
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log.misc.exception("Error while reading geometry")
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else:
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log.init.debug("Loading geometry from {}".format(geom))
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ok = self.restoreGeometry(geom)
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if not ok:
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log.init.warning("Error while loading geometry.")
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def closeEvent(self, e):
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"""Save the geometry when closed."""
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data = bytes(self.saveGeometry())
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geom = base64.b64encode(data).decode('ASCII')
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configfiles.state['geometry']['inspector'] = geom
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super().closeEvent(e)
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def inspect(self, page):
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"""Inspect the given QWeb(Engine)Page."""
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raise NotImplementedError
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def toggle(self, page):
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if self._widget.isVisible():
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self.hide()
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else:
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self.inspect(page)
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