def set_viewport(self, size, raise_if_empty=False):
"""
Set viewport size.
If size is "full" viewport size is detected automatically.
If can also be "<width>x<height>".
.. note::
This will update all JS geometry variables, but window resize event
is delivered asynchronously and so ``window.resize`` will not be
invoked until control is yielded to the event loop.
"""
if size == 'full':
size = self.web_page.mainFrame().contentsSize()
self.logger.log("Contents size: %s" % size, min_level=2)
if size.isEmpty():
if raise_if_empty:
raise RuntimeError("Cannot detect viewport size")
else:
size = defaults.VIEWPORT_SIZE
self.logger.log("Viewport is empty, falling back to: %s" %
size)
if not isinstance(size, QSize):
validate_size_str(size)
size = parse_size(size)
self.web_page.setViewportSize(size)
self._force_relayout()
w, h = int(size.width()), int(size.height())
self.logger.log("viewport size is set to %sx%s" % (w, h), min_level=2)
return w, h
def set_viewport(self, size, raise_if_empty=False):
"""
Set viewport size.
If size is "full" viewport size is detected automatically.
If can also be "<width>x<height>".
FIXME: Currently the implementation just resizes the window, which
causes Splash to crash on large sizes(?).
Actully it is not changing the viewport.
XXX: As an effect, this function changes window.outerWidth/outerHeight,
while in Webkit implementation window.innerWidth/innerHeight
is changed.
"""
if size == 'full':
size = self.web_page.contentsSize()
self.logger.log("Contents size: %s" % size, min_level=2)
if size.isEmpty():
if raise_if_empty:
raise RuntimeError("Cannot detect viewport size")
else:
size = defaults.VIEWPORT_SIZE
self.logger.log("Viewport is empty, falling back to: %s" %
size)
if not isinstance(size, (QSize, QSizeF)):
validate_size_str(size)
size = parse_size(size)
w, h = int(size.width()), int(size.height())
# XXX: it was crashing with large windows, but then the problem
# seemed to go away. Need to keep an eye on it.
# # FIXME: don't resize the window?
# # FIXME: figure out exact limits
# MAX_WIDTH = 1280
# MAX_HEIGHT = 1920
#
# if w > MAX_WIDTH:
# raise RuntimeError("Width {} > {} is currently prohibited".format(
# w, MAX_WIDTH
# ))
#
# if h > MAX_HEIGHT:
# raise RuntimeError("Height {} > {} is currently prohibited".format(
# h, MAX_HEIGHT
# ))
self.web_view.resize(w, h)
# self._force_relayout()
self.logger.log("viewport size is set to %sx%s" % (w, h), min_level=2)
self.logger.log("real viewport size: %s" % self.web_view.size(), min_level=2)
return w, h
def _init_webpage(self, verbosity, network_manager, splash_proxy_factory,
render_options):
""" Create and initialize QWebPage and QWebView """
self.web_page = WebkitWebPage(verbosity)
self.web_page.setNetworkAccessManager(network_manager)
self.web_page.splash_proxy_factory = splash_proxy_factory
self.web_page.render_options = render_options
self._set_default_webpage_options(self.web_page)
self._setup_webpage_events()
self.web_view = SplashQWebView()
self.web_view.setPage(self.web_page)
self.web_view.setAttribute(Qt.WA_DeleteOnClose, True)
self.web_view.onBeforeClose = self._on_before_close
if self.visible:
self.web_view.move(0, 0)
self.web_view.show()
self.set_viewport(defaults.VIEWPORT_SIZE)
# XXX: hack to ensure that default window size is not 640x480.
self.web_view.resize(parse_size(defaults.VIEWPORT_SIZE))