qutebrowser/qutebrowser/browser/webengine/webenginetab.py
2016-07-11 16:32:24 +02:00

326 lines
9.0 KiB
Python

# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2016 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
# FIXME:qtwebengine remove this once the stubs are gone
# pylint: disable=unused-variable
"""Wrapper over a QWebEngineView."""
from PyQt5.QtCore import pyqtSlot, Qt, QEvent, QPoint
from PyQt5.QtGui import QKeyEvent
from PyQt5.QtWidgets import QApplication
# pylint: disable=no-name-in-module,import-error,useless-suppression
from PyQt5.QtWebEngineWidgets import QWebEnginePage
# pylint: enable=no-name-in-module,import-error,useless-suppression
from qutebrowser.browser import browsertab
from qutebrowser.browser.webengine import webview
from qutebrowser.utils import usertypes, qtutils, log
class WebEngineSearch(browsertab.AbstractSearch):
"""QtWebEngine implementations related to searching on the page."""
def search(self, text, *, ignore_case=False, wrap=False, reverse=False):
log.stub()
def clear(self):
log.stub()
def prev_result(self):
log.stub()
def next_result(self):
log.stub()
class WebEngineCaret(browsertab.AbstractCaret):
"""QtWebEngine implementations related to moving the cursor/selection."""
@pyqtSlot(usertypes.KeyMode)
def _on_mode_entered(self, mode):
log.stub()
@pyqtSlot(usertypes.KeyMode)
def _on_mode_left(self):
log.stub()
def move_to_next_line(self, count=1):
log.stub()
def move_to_prev_line(self, count=1):
log.stub()
def move_to_next_char(self, count=1):
log.stub()
def move_to_prev_char(self, count=1):
log.stub()
def move_to_end_of_word(self, count=1):
log.stub()
def move_to_next_word(self, count=1):
log.stub()
def move_to_prev_word(self, count=1):
log.stub()
def move_to_start_of_line(self):
log.stub()
def move_to_end_of_line(self):
log.stub()
def move_to_start_of_next_block(self, count=1):
log.stub()
def move_to_start_of_prev_block(self, count=1):
log.stub()
def move_to_end_of_next_block(self, count=1):
log.stub()
def move_to_end_of_prev_block(self, count=1):
log.stub()
def move_to_start_of_document(self):
log.stub()
def move_to_end_of_document(self):
log.stub()
def toggle_selection(self):
log.stub()
def drop_selection(self):
log.stub()
def has_selection(self):
return self._widget.hasSelection()
def selection(self, html=False):
if html:
raise NotImplementedError
return self._widget.selectedText()
def follow_selected(self, *, tab=False):
log.stub()
class WebEngineScroller(browsertab.AbstractScroller):
"""QtWebEngine implementations related to scrolling."""
def _key_press(self, key, count=1):
# FIXME:qtwebengine Abort scrolling if the minimum/maximum was reached.
press_evt = QKeyEvent(QEvent.KeyPress, key, Qt.NoModifier, 0, 0, 0)
release_evt = QKeyEvent(QEvent.KeyRelease, key, Qt.NoModifier, 0, 0, 0)
recipient = self._widget.focusProxy()
for _ in range(count):
# If we get a segfault here, we might want to try sendEvent
# instead.
QApplication.postEvent(recipient, press_evt)
QApplication.postEvent(recipient, release_evt)
def pos_px(self):
log.stub()
return QPoint(0, 0)
def pos_perc(self):
page = self._widget.page()
try:
size = page.contentsSize()
pos = page.scrollPosition()
except AttributeError:
# Added in Qt 5.7
log.stub('on Qt < 5.7')
return (None, None)
else:
# FIXME:qtwebengine is this correct?
perc_x = 100 / size.width() * pos.x()
perc_y = 100 / size.height() * pos.y()
return (perc_x, perc_y)
def to_perc(self, x=None, y=None):
log.stub()
def to_point(self, point):
log.stub()
def delta(self, x=0, y=0):
log.stub()
def delta_page(self, x=0, y=0):
log.stub()
def up(self, count=1):
self._key_press(Qt.Key_Up, count)
def down(self, count=1):
self._key_press(Qt.Key_Down, count)
def left(self, count=1):
self._key_press(Qt.Key_Left, count)
def right(self, count=1):
self._key_press(Qt.Key_Right, count)
def top(self):
self._key_press(Qt.Key_Home)
def bottom(self):
self._key_press(Qt.Key_End)
def page_up(self, count=1):
self._key_press(Qt.Key_PageUp, count)
def page_down(self, count=1):
self._key_press(Qt.Key_PageDown, count)
def at_top(self):
log.stub()
def at_bottom(self):
log.stub()
class WebEngineHistory(browsertab.AbstractHistory):
"""QtWebEngine implementations related to page history."""
def current_idx(self):
return self._history.currentItemIndex()
def back(self):
self._history.back()
def forward(self):
self._history.forward()
def can_go_back(self):
return self._history.canGoBack()
def can_go_forward(self):
return self._history.canGoForward()
def serialize(self):
return qtutils.serialize(self._history)
def deserialize(self, data):
return qtutils.deserialize(data, self._history)
def load_items(self, items):
log.stub()
class WebEngineZoom(browsertab.AbstractZoom):
"""QtWebEngine implementations related to zooming."""
def _set_factor_internal(self, factor):
self._widget.setZoomFactor(factor)
def factor(self):
return self._widget.zoomFactor()
class WebEngineTab(browsertab.AbstractTab):
"""A QtWebEngine tab in the browser."""
def __init__(self, win_id, mode_manager, parent=None):
super().__init__(win_id)
widget = webview.WebEngineView()
self.history = WebEngineHistory(self)
self.scroll = WebEngineScroller()
self.caret = WebEngineCaret(win_id=win_id, mode_manager=mode_manager,
tab=self, parent=self)
self.zoom = WebEngineZoom(win_id=win_id, parent=self)
self.search = WebEngineSearch(parent=self)
self._set_widget(widget)
self._connect_signals()
self.backend = usertypes.Backend.QtWebEngine
def openurl(self, url):
self._openurl_prepare(url)
self._widget.load(url)
def url(self):
return self._widget.url()
def dump_async(self, callback, *, plain=False):
if plain:
self._widget.page().toPlainText(callback)
else:
self._widget.page().toHtml(callback)
def run_js_async(self, code, callback=None):
if callback is None:
self._widget.page().runJavaScript(code)
else:
self._widget.page().runJavaScript(code, callback)
def shutdown(self):
log.stub()
def reload(self, *, force=False):
if force:
action = QWebEnginePage.ReloadAndBypassCache
else:
action = QWebEnginePage.Reload
self._widget.triggerPageAction(action)
def stop(self):
self._widget.stop()
def title(self):
return self._widget.title()
def icon(self):
return self._widget.icon()
def set_html(self, html, base_url):
# FIXME:qtwebengine
# check this and raise an exception if too big:
# Warning: The content will be percent encoded before being sent to the
# renderer via IPC. This may increase its size. The maximum size of the
# percent encoded content is 2 megabytes minus 30 bytes.
self._widget.setHtml(html, base_url)
def clear_ssl_errors(self):
log.stub()
def _connect_signals(self):
view = self._widget
page = view.page()
page.windowCloseRequested.connect(self.window_close_requested)
page.linkHovered.connect(self.link_hovered)
page.loadProgress.connect(self._on_load_progress)
page.loadStarted.connect(self._on_load_started)
view.titleChanged.connect(self.title_changed)
view.urlChanged.connect(self._on_url_changed)
page.loadFinished.connect(self._on_load_finished)
page.certificate_error.connect(self._on_ssl_errors)
# FIXME:qtwebengine stub this?
# view.iconChanged.connect(self.icon_changed)
# view.scroll.pos_changed.connect(self.scroll.perc_changed)