int Screen::availTop() const
{
if (!m_frame)
return 0;
FrameHost* host = m_frame->host();
if (!host)
return 0;
if (host->settings().reportScreenSizeInPhysicalPixelsQuirk())
return lroundf(host->chromeClient().screenInfo().availableRect.y * host->deviceScaleFactor());
return static_cast<int>(host->chromeClient().screenInfo().availableRect.y);
}
int Screen::width() const
{
if (!m_frame)
return 0;
FrameHost* host = m_frame->host();
if (!host)
return 0;
if (host->settings().reportScreenSizeInPhysicalPixelsQuirk())
return lroundf(host->chromeClient().screenInfo().rect.width * host->deviceScaleFactor());
return host->chromeClient().screenInfo().rect.width;
}
bool BarProp::visible() const {
if (!frame())
return false;
FrameHost* host = frame()->host();
if (!host)
return false;
switch (m_type) {
case Locationbar:
case Personalbar:
case Toolbar:
return host->chromeClient().toolbarsVisible();
case Menubar:
return host->chromeClient().menubarVisible();
case Scrollbars:
return host->chromeClient().scrollbarsVisible();
case Statusbar:
return host->chromeClient().statusbarVisible();
}
ASSERT_NOT_REACHED();
return false;
}
static Frame* createNewWindow(LocalFrame& openerFrame, const FrameLoadRequest& request, const WindowFeatures& features, NavigationPolicy policy, bool& created)
{
FrameHost* oldHost = openerFrame.host();
if (!oldHost)
return nullptr;
Page* page = oldHost->chromeClient().createWindow(&openerFrame, request, features, policy);
if (!page)
return nullptr;
FrameHost* host = &page->frameHost();
ASSERT(page->mainFrame());
LocalFrame& frame = *toLocalFrame(page->mainFrame());
if (request.frameName() != "_blank")
frame.tree().setName(request.frameName());
host->chromeClient().setWindowFeatures(features);
// 'x' and 'y' specify the location of the window, while 'width' and 'height'
// specify the size of the viewport. We can only resize the window, so adjust
// for the difference between the window size and the viewport size.
IntRect windowRect = host->chromeClient().windowRect();
IntSize viewportSize = host->chromeClient().pageRect().size();
if (features.xSet)
windowRect.setX(features.x);
if (features.ySet)
windowRect.setY(features.y);
if (features.widthSet)
windowRect.setWidth(features.width + (windowRect.width() - viewportSize.width()));
if (features.heightSet)
windowRect.setHeight(features.height + (windowRect.height() - viewportSize.height()));
host->chromeClient().setWindowRectWithAdjustment(windowRect);
host->chromeClient().show(policy);
if (openerFrame.document()->isSandboxed(SandboxPropagatesToAuxiliaryBrowsingContexts))
frame.loader().forceSandboxFlags(openerFrame.securityContext()->getSandboxFlags());
// This call may suspend the execution by running nested message loop.
InspectorInstrumentation::windowCreated(&openerFrame, &frame);
created = true;
return &frame;
}
// https://fullscreen.spec.whatwg.org/#exit-fullscreen
void Fullscreen::exitFullscreen(Document& document) {
// The exitFullscreen() method must run these steps:
// 1. Let doc be the context object. (i.e. "this")
if (!document.isActive())
return;
// 2. If doc's fullscreen element stack is empty, terminate these steps.
if (!fullscreenElementFrom(document))
return;
// 3. Let descendants be all the doc's descendant browsing context's documents
// with a non-empty fullscreen element stack (if any), ordered so that the
// child of the doc is last and the document furthest away from the doc is
// first.
HeapDeque<Member<Document>> descendants;
for (Frame* descendant =
document.frame() ? document.frame()->tree().traverseNext() : nullptr;
descendant; descendant = descendant->tree().traverseNext()) {
if (!descendant->isLocalFrame())
continue;
DCHECK(toLocalFrame(descendant)->document());
if (fullscreenElementFrom(*toLocalFrame(descendant)->document()))
descendants.prepend(toLocalFrame(descendant)->document());
}
// 4. For each descendant in descendants, empty descendant's fullscreen
// element stack, and queue a task to fire an event named fullscreenchange
// with its bubbles attribute set to true on descendant.
for (auto& descendant : descendants) {
DCHECK(descendant);
RequestType requestType =
from(*descendant).m_fullscreenElementStack.last().second;
from(*descendant).clearFullscreenElementStack();
from(document).enqueueChangeEvent(*descendant, requestType);
}
// 5. While doc is not null, run these substeps:
Element* newTop = nullptr;
for (Document* currentDoc = &document; currentDoc;) {
RequestType requestType =
from(*currentDoc).m_fullscreenElementStack.last().second;
// 1. Pop the top element of doc's fullscreen element stack.
from(*currentDoc).popFullscreenElementStack();
// If doc's fullscreen element stack is non-empty and the element now at
// the top is either not in a document or its node document is not doc,
// repeat this substep.
newTop = fullscreenElementFrom(*currentDoc);
if (newTop && (!newTop->isConnected() || newTop->document() != currentDoc))
continue;
// 2. Queue a task to fire an event named fullscreenchange with its bubbles
// attribute set to true on doc.
from(document).enqueueChangeEvent(*currentDoc, requestType);
// 3. If doc's fullscreen element stack is empty and doc's browsing context
// has a browsing context container, set doc to that browsing context
// container's node document.
//
// OOPIF: If browsing context container's document is in another
// process, keep moving up the ancestor chain and looking for a
// browsing context container with a local document.
// TODO(alexmos): Deal with nested fullscreen cases, see
// https://crbug.com/617369.
if (!newTop) {
Frame* frame = currentDoc->frame()->tree().parent();
while (frame && frame->isRemoteFrame())
frame = frame->tree().parent();
if (frame) {
currentDoc = toLocalFrame(frame)->document();
continue;
}
}
// 4. Otherwise, set doc to null.
currentDoc = nullptr;
}
// 6. Return, and run the remaining steps asynchronously.
// 7. Optionally, perform some animation.
FrameHost* host = document.frameHost();
// Speculative fix for engaget.com/videos per crbug.com/336239.
// FIXME: This check is wrong. We DCHECK(document->isActive()) above
// so this should be redundant and should be removed!
if (!host)
return;
// Only exit out of full screen window mode if there are no remaining elements
// in the full screen stack.
if (!newTop) {
// FIXME: if the frame exiting fullscreen is not the frame that entered
// fullscreen (but a parent frame for example),
// m_currentFullScreenElement might be null. We want to pass an element
// that is part of the document so we will pass the documentElement in
// that case. This should be fix by exiting fullscreen for a frame
// instead of an element, see https://crbug.com/441259
Element* currentFullScreenElement = currentFullScreenElementFrom(document);
host->chromeClient().exitFullscreenForElement(
currentFullScreenElement ? currentFullScreenElement
: document.documentElement());
return;
}
// Otherwise, notify the chrome of the new full screen element.
host->chromeClient().enterFullscreenForElement(newTop);
}
static Frame* createWindow(LocalFrame& openerFrame, LocalFrame& lookupFrame, const FrameLoadRequest& request, const WindowFeatures& features, NavigationPolicy policy, ShouldSetOpener shouldSetOpener, bool& created)
{
created = false;
ASSERT(!features.dialog || request.frameName().isEmpty());
ASSERT(request.resourceRequest().requestorOrigin() || openerFrame.document()->url().isEmpty());
ASSERT(request.resourceRequest().frameType() == WebURLRequest::FrameTypeAuxiliary);
if (!request.frameName().isEmpty() && request.frameName() != "_blank" && policy == NavigationPolicyIgnore) {
if (Frame* frame = lookupFrame.findFrameForNavigation(request.frameName(), openerFrame)) {
if (request.frameName() != "_self") {
if (FrameHost* host = frame->host()) {
if (host == openerFrame.host())
frame->page()->focusController().setFocusedFrame(frame);
else
host->chromeClient().focus();
}
}
return frame;
}
}
// Sandboxed frames cannot open new auxiliary browsing contexts.
if (openerFrame.document()->isSandboxed(SandboxPopups)) {
// FIXME: This message should be moved off the console once a solution to https://bugs.webkit.org/show_bug.cgi?id=103274 exists.
openerFrame.document()->addConsoleMessage(ConsoleMessage::create(SecurityMessageSource, ErrorMessageLevel, "Blocked opening '" + request.resourceRequest().url().elidedString() + "' in a new window because the request was made in a sandboxed frame whose 'allow-popups' permission is not set."));
return nullptr;
}
if (openerFrame.settings() && !openerFrame.settings()->supportsMultipleWindows())
return openerFrame.tree().top();
FrameHost* oldHost = openerFrame.host();
if (!oldHost)
return nullptr;
Page* page = oldHost->chromeClient().createWindow(&openerFrame, request, features, policy, shouldSetOpener);
if (!page)
return nullptr;
FrameHost* host = &page->frameHost();
ASSERT(page->mainFrame());
Frame& frame = *page->mainFrame();
if (request.frameName() != "_blank")
frame.tree().setName(request.frameName());
host->chromeClient().setWindowFeatures(features);
// 'x' and 'y' specify the location of the window, while 'width' and 'height'
// specify the size of the viewport. We can only resize the window, so adjust
// for the difference between the window size and the viewport size.
IntRect windowRect = host->chromeClient().windowRect();
IntSize viewportSize = host->chromeClient().pageRect().size();
if (features.xSet)
windowRect.setX(features.x);
if (features.ySet)
windowRect.setY(features.y);
if (features.widthSet)
windowRect.setWidth(features.width + (windowRect.width() - viewportSize.width()));
if (features.heightSet)
windowRect.setHeight(features.height + (windowRect.height() - viewportSize.height()));
host->chromeClient().setWindowRectWithAdjustment(windowRect);
host->chromeClient().show(policy);
// TODO(japhet): There's currently no way to set sandbox flags on a RemoteFrame and have it propagate
// to the real frame in a different process. See crbug.com/483584.
if (frame.isLocalFrame() && openerFrame.document()->isSandboxed(SandboxPropagatesToAuxiliaryBrowsingContexts))
toLocalFrame(&frame)->loader().forceSandboxFlags(openerFrame.document()->sandboxFlags());
created = true;
return &frame;
}
