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; }