зеркало из https://github.com/mozilla/gecko-dev.git
3318 строки
112 KiB
C++
3318 строки
112 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "base/basictypes.h"
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#include "TabChild.h"
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#include "gfxPrefs.h"
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#ifdef ACCESSIBILITY
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#include "mozilla/a11y/DocAccessibleChild.h"
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#endif
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#include "Layers.h"
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#include "ContentChild.h"
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#include "TabParent.h"
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#include "js/JSON.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/BrowserElementParent.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/EventListenerManager.h"
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#include "mozilla/dom/DataTransfer.h"
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#include "mozilla/dom/Event.h"
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#include "mozilla/dom/indexedDB/PIndexedDBPermissionRequestChild.h"
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#include "mozilla/dom/MessageManagerBinding.h"
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#include "mozilla/dom/MouseEventBinding.h"
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#include "mozilla/dom/PaymentRequestChild.h"
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#include "mozilla/gfx/CrossProcessPaint.h"
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#include "mozilla/IMEStateManager.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "mozilla/layers/APZChild.h"
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#include "mozilla/layers/APZCCallbackHelper.h"
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#include "mozilla/layers/APZCTreeManagerChild.h"
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#include "mozilla/layers/APZEventState.h"
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#include "mozilla/layers/ContentProcessController.h"
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "mozilla/layers/DoubleTapToZoom.h"
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#include "mozilla/layers/IAPZCTreeManager.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/InputAPZContext.h"
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#include "mozilla/layers/LayerTransactionChild.h"
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#include "mozilla/layers/ShadowLayers.h"
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#include "mozilla/layers/WebRenderLayerManager.h"
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#include "mozilla/plugins/PPluginWidgetChild.h"
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#include "mozilla/recordreplay/ParentIPC.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/Move.h"
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#include "mozilla/PresShell.h"
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#include "mozilla/ProcessHangMonitor.h"
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#include "mozilla/ScopeExit.h"
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#include "mozilla/Services.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/TouchEvents.h"
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#include "mozilla/Unused.h"
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#include "nsContentUtils.h"
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#include "nsDocShell.h"
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#include "nsEmbedCID.h"
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#include "nsGlobalWindow.h"
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#include <algorithm>
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#include "nsExceptionHandler.h"
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#include "nsFilePickerProxy.h"
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#include "mozilla/dom/Element.h"
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#include "nsGlobalWindow.h"
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#include "nsIBaseWindow.h"
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#include "nsIBrowserDOMWindow.h"
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#include "nsIDocumentInlines.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDOMChromeWindow.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMWindowUtils.h"
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#include "nsFocusManager.h"
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#include "EventStateManager.h"
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#include "nsIDocShell.h"
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#include "nsIFrame.h"
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#include "nsIURI.h"
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#include "nsIURIFixup.h"
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#include "nsCDefaultURIFixup.h"
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#include "nsIWebBrowser.h"
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#include "nsIWebProgress.h"
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#include "nsIXULRuntime.h"
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#include "nsPIDOMWindow.h"
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#include "nsPIWindowRoot.h"
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#include "nsPointerHashKeys.h"
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#include "nsLayoutUtils.h"
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#include "nsPrintfCString.h"
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#include "nsTHashtable.h"
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#include "nsThreadManager.h"
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#include "nsThreadUtils.h"
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#include "nsViewManager.h"
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#include "nsIWeakReferenceUtils.h"
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#include "nsWindowWatcher.h"
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#include "PermissionMessageUtils.h"
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#include "PuppetWidget.h"
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#include "StructuredCloneData.h"
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#include "nsViewportInfo.h"
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#include "nsILoadContext.h"
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#include "ipc/nsGUIEventIPC.h"
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#include "mozilla/gfx/Matrix.h"
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#include "UnitTransforms.h"
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#include "ClientLayerManager.h"
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#include "nsColorPickerProxy.h"
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#include "nsContentPermissionHelper.h"
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#include "nsNetUtil.h"
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#include "nsIPermissionManager.h"
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#include "nsIURILoader.h"
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#include "nsIScriptError.h"
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#include "mozilla/EventForwards.h"
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#include "nsDeviceContext.h"
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#include "nsSandboxFlags.h"
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#include "FrameLayerBuilder.h"
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#include "VRManagerChild.h"
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#include "nsCommandParams.h"
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#include "nsISHistory.h"
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#include "nsQueryObject.h"
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#include "nsIHttpChannel.h"
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#include "mozilla/dom/DocGroup.h"
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#include "nsString.h"
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#include "nsISupportsPrimitives.h"
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#include "mozilla/Telemetry.h"
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#include "nsDocShellLoadState.h"
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#include "nsWebBrowser.h"
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#include "mozilla/dom/WindowGlobalChild.h"
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#include "MMPrinter.h"
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#ifdef XP_WIN
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#include "mozilla/plugins/PluginWidgetChild.h"
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#endif
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#ifdef NS_PRINTING
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#include "nsIPrintSession.h"
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#include "nsIPrintSettings.h"
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#include "nsIPrintSettingsService.h"
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#include "nsIWebBrowserPrint.h"
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#endif
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#define BROWSER_ELEMENT_CHILD_SCRIPT \
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NS_LITERAL_STRING("chrome://global/content/BrowserElementChild.js")
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#define TABC_LOG(...)
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// #define TABC_LOG(...) printf_stderr("TABC: " __VA_ARGS__)
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using namespace mozilla;
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using namespace mozilla::dom;
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using namespace mozilla::dom::ipc;
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using namespace mozilla::ipc;
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using namespace mozilla::layers;
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using namespace mozilla::layout;
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using namespace mozilla::docshell;
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using namespace mozilla::widget;
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using namespace mozilla::jsipc;
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using mozilla::layers::GeckoContentController;
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NS_IMPL_ISUPPORTS(ContentListener, nsIDOMEventListener)
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static const char BEFORE_FIRST_PAINT[] = "before-first-paint";
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nsTHashtable<nsPtrHashKey<TabChild>>* TabChild::sVisibleTabs;
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typedef nsDataHashtable<nsUint64HashKey, TabChild*> TabChildMap;
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static TabChildMap* sTabChildren;
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StaticMutex sTabChildrenMutex;
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TabChildBase::TabChildBase() : mTabChildMessageManager(nullptr) {}
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TabChildBase::~TabChildBase() { mAnonymousGlobalScopes.Clear(); }
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NS_IMPL_CYCLE_COLLECTION_CLASS(TabChildBase)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(TabChildBase)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mTabChildMessageManager)
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tmp->nsMessageManagerScriptExecutor::Unlink();
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mWebBrowserChrome)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(TabChildBase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTabChildMessageManager)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWebBrowserChrome)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(TabChildBase)
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tmp->nsMessageManagerScriptExecutor::Trace(aCallbacks, aClosure);
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TabChildBase)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(TabChildBase)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(TabChildBase)
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already_AddRefed<nsIDocument> TabChildBase::GetDocument() const {
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nsCOMPtr<nsIDocument> doc;
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WebNavigation()->GetDocument(getter_AddRefs(doc));
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return doc.forget();
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}
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already_AddRefed<nsIPresShell> TabChildBase::GetPresShell() const {
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nsCOMPtr<nsIPresShell> result;
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if (nsCOMPtr<nsIDocument> doc = GetDocument()) {
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result = doc->GetShell();
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}
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return result.forget();
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}
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void TabChildBase::DispatchMessageManagerMessage(const nsAString& aMessageName,
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const nsAString& aJSONData) {
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AutoSafeJSContext cx;
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JS::Rooted<JS::Value> json(cx, JS::NullValue());
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dom::ipc::StructuredCloneData data;
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if (JS_ParseJSON(cx, static_cast<const char16_t*>(aJSONData.BeginReading()),
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aJSONData.Length(), &json)) {
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ErrorResult rv;
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data.Write(cx, json, rv);
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if (NS_WARN_IF(rv.Failed())) {
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rv.SuppressException();
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return;
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}
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}
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RefPtr<TabChildMessageManager> kungFuDeathGrip(mTabChildMessageManager);
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RefPtr<nsFrameMessageManager> mm = kungFuDeathGrip->GetMessageManager();
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mm->ReceiveMessage(static_cast<EventTarget*>(kungFuDeathGrip), nullptr,
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aMessageName, false, &data, nullptr, nullptr, nullptr,
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IgnoreErrors());
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}
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bool TabChildBase::UpdateFrameHandler(const RepaintRequest& aRequest) {
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MOZ_ASSERT(aRequest.GetScrollId() != ScrollableLayerGuid::NULL_SCROLL_ID);
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if (aRequest.IsRootContent()) {
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if (nsCOMPtr<nsIPresShell> shell = GetPresShell()) {
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// Guard against stale updates (updates meant for a pres shell which
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// has since been torn down and destroyed).
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if (aRequest.GetPresShellId() == shell->GetPresShellId()) {
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ProcessUpdateFrame(aRequest);
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return true;
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}
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}
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} else {
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// aRequest.mIsRoot is false, so we are trying to update a subframe.
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// This requires special handling.
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APZCCallbackHelper::UpdateSubFrame(aRequest);
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return true;
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}
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return true;
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}
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void TabChildBase::ProcessUpdateFrame(const RepaintRequest& aRequest) {
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if (!mTabChildMessageManager) {
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return;
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}
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APZCCallbackHelper::UpdateRootFrame(aRequest);
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}
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NS_IMETHODIMP
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ContentListener::HandleEvent(Event* aEvent) {
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RemoteDOMEvent remoteEvent;
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remoteEvent.mEvent = aEvent;
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NS_ENSURE_STATE(remoteEvent.mEvent);
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mTabChild->SendEvent(remoteEvent);
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return NS_OK;
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}
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class TabChild::DelayedDeleteRunnable final : public Runnable,
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public nsIRunnablePriority {
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RefPtr<TabChild> mTabChild;
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// In order to ensure that this runnable runs after everything that could
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// possibly touch this tab, we send it through the event queue twice. The
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// first time it runs at normal priority and the second time it runs at
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// input priority. This ensures that it runs after all events that were in
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// either queue at the time it was first dispatched. mReadyToDelete starts
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// out false (when it runs at normal priority) and is then set to true.
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bool mReadyToDelete = false;
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public:
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explicit DelayedDeleteRunnable(TabChild* aTabChild)
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: Runnable("TabChild::DelayedDeleteRunnable"), mTabChild(aTabChild) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aTabChild);
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}
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NS_DECL_ISUPPORTS_INHERITED
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private:
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~DelayedDeleteRunnable() {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(!mTabChild);
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}
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NS_IMETHOD GetPriority(uint32_t* aPriority) override {
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*aPriority = mReadyToDelete ? nsIRunnablePriority::PRIORITY_INPUT
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: nsIRunnablePriority::PRIORITY_NORMAL;
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return NS_OK;
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}
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NS_IMETHOD
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Run() override {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mTabChild);
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if (!mReadyToDelete) {
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// This time run this runnable at input priority.
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mReadyToDelete = true;
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MOZ_ALWAYS_SUCCEEDS(NS_DispatchToCurrentThread(this));
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return NS_OK;
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}
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// Check in case ActorDestroy was called after RecvDestroy message.
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// Middleman processes with their own recording child process avoid
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// sending a delete message, so that the parent process does not
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// receive two deletes for the same actor.
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if (mTabChild->IPCOpen() &&
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!recordreplay::parent::IsMiddlemanWithRecordingChild()) {
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Unused << PBrowserChild::Send__delete__(mTabChild);
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}
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mTabChild = nullptr;
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return NS_OK;
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}
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};
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NS_IMPL_ISUPPORTS_INHERITED(TabChild::DelayedDeleteRunnable, Runnable,
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nsIRunnablePriority)
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namespace {
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std::map<TabId, RefPtr<TabChild>>& NestedTabChildMap() {
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MOZ_ASSERT(NS_IsMainThread());
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static std::map<TabId, RefPtr<TabChild>> sNestedTabChildMap;
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return sNestedTabChildMap;
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}
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} // namespace
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already_AddRefed<TabChild> TabChild::FindTabChild(const TabId& aTabId) {
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auto iter = NestedTabChildMap().find(aTabId);
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if (iter == NestedTabChildMap().end()) {
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return nullptr;
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}
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RefPtr<TabChild> tabChild = iter->second;
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return tabChild.forget();
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}
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/*static*/ already_AddRefed<TabChild> TabChild::Create(
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nsIContentChild* aManager, const TabId& aTabId,
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const TabId& aSameTabGroupAs, const TabContext& aContext,
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uint32_t aChromeFlags) {
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RefPtr<TabChild> groupChild = FindTabChild(aSameTabGroupAs);
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dom::TabGroup* group = groupChild ? groupChild->TabGroup() : nullptr;
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RefPtr<TabChild> iframe =
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new TabChild(aManager, aTabId, group, aContext, aChromeFlags);
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return iframe.forget();
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}
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TabChild::TabChild(nsIContentChild* aManager, const TabId& aTabId,
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dom::TabGroup* aTabGroup, const TabContext& aContext,
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uint32_t aChromeFlags)
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: TabContext(aContext),
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mTabGroup(aTabGroup),
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mManager(aManager),
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mChromeFlags(aChromeFlags),
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mMaxTouchPoints(0),
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mLayersId{0},
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mBeforeUnloadListeners(0),
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mDidFakeShow(false),
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mNotified(false),
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mTriedBrowserInit(false),
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mOrientation(hal::eScreenOrientation_PortraitPrimary),
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mIgnoreKeyPressEvent(false),
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mHasValidInnerSize(false),
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mDestroyed(false),
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mUniqueId(aTabId),
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mHasSiblings(false),
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mIsTransparent(false),
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mIPCOpen(false),
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mParentIsActive(false),
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mDidSetRealShowInfo(false),
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mDidLoadURLInit(false),
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mAwaitingLA(false),
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mSkipKeyPress(false),
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mLayersObserverEpoch {
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1
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}
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#if defined(XP_WIN) && defined(ACCESSIBILITY)
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, mNativeWindowHandle(0)
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#endif
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#if defined(ACCESSIBILITY)
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,
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mTopLevelDocAccessibleChild(nullptr)
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#endif
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,
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mPendingDocShellIsActive(false), mPendingDocShellReceivedMessage(false),
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mPendingRenderLayers(false),
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mPendingRenderLayersReceivedMessage(false), mPendingLayersObserverEpoch{0},
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mPendingDocShellBlockers(0), mWidgetNativeData(0) {
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mozilla::HoldJSObjects(this);
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nsWeakPtr weakPtrThis(do_GetWeakReference(
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static_cast<nsITabChild*>(this))); // for capture by the lambda
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mSetAllowedTouchBehaviorCallback =
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[weakPtrThis](uint64_t aInputBlockId,
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const nsTArray<TouchBehaviorFlags>& aFlags) {
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if (nsCOMPtr<nsITabChild> tabChild = do_QueryReferent(weakPtrThis)) {
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static_cast<TabChild*>(tabChild.get())
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->SetAllowedTouchBehavior(aInputBlockId, aFlags);
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}
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};
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// preloaded TabChild should not be added to child map
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if (mUniqueId) {
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MOZ_ASSERT(NestedTabChildMap().find(mUniqueId) ==
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NestedTabChildMap().end());
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NestedTabChildMap()[mUniqueId] = this;
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}
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mCoalesceMouseMoveEvents =
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Preferences::GetBool("dom.event.coalesce_mouse_move");
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if (mCoalesceMouseMoveEvents) {
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mCoalescedMouseEventFlusher = new CoalescedMouseMoveFlusher(this);
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}
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}
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const CompositorOptions& TabChild::GetCompositorOptions() const {
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// If you're calling this before mCompositorOptions is set, well.. don't.
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MOZ_ASSERT(mCompositorOptions);
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return mCompositorOptions.ref();
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}
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bool TabChild::AsyncPanZoomEnabled() const {
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// This might get called by the TouchEvent::PrefEnabled code before we have
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// mCompositorOptions populated (bug 1370089). In that case we just assume
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// APZ is enabled because we're in a content process (because TabChild) and
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// APZ is probably going to be enabled here since e10s is enabled.
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return mCompositorOptions ? mCompositorOptions->UseAPZ() : true;
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}
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NS_IMETHODIMP
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TabChild::Observe(nsISupports* aSubject, const char* aTopic,
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const char16_t* aData) {
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if (!strcmp(aTopic, BEFORE_FIRST_PAINT)) {
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if (AsyncPanZoomEnabled()) {
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nsCOMPtr<nsIDocument> subject(do_QueryInterface(aSubject));
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nsCOMPtr<nsIDocument> doc(GetDocument());
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if (subject == doc) {
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nsCOMPtr<nsIPresShell> shell(doc->GetShell());
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if (shell) {
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shell->SetIsFirstPaint(true);
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}
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APZCCallbackHelper::InitializeRootDisplayport(shell);
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}
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}
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}
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return NS_OK;
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}
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void TabChild::ContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
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uint64_t aInputBlockId,
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bool aPreventDefault) const {
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if (mApzcTreeManager) {
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mApzcTreeManager->ContentReceivedInputBlock(aInputBlockId, aPreventDefault);
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}
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}
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void TabChild::SetTargetAPZC(
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uint64_t aInputBlockId,
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|
const nsTArray<ScrollableLayerGuid>& aTargets) const {
|
|
if (mApzcTreeManager) {
|
|
mApzcTreeManager->SetTargetAPZC(aInputBlockId, aTargets);
|
|
}
|
|
}
|
|
|
|
void TabChild::SetAllowedTouchBehavior(
|
|
uint64_t aInputBlockId,
|
|
const nsTArray<TouchBehaviorFlags>& aTargets) const {
|
|
if (mApzcTreeManager) {
|
|
mApzcTreeManager->SetAllowedTouchBehavior(aInputBlockId, aTargets);
|
|
}
|
|
}
|
|
|
|
bool TabChild::DoUpdateZoomConstraints(
|
|
const uint32_t& aPresShellId, const ViewID& aViewId,
|
|
const Maybe<ZoomConstraints>& aConstraints) {
|
|
if (!mApzcTreeManager || mDestroyed) {
|
|
return false;
|
|
}
|
|
|
|
ScrollableLayerGuid guid =
|
|
ScrollableLayerGuid(mLayersId, aPresShellId, aViewId);
|
|
|
|
mApzcTreeManager->UpdateZoomConstraints(guid, aConstraints);
|
|
return true;
|
|
}
|
|
|
|
nsresult TabChild::Init(mozIDOMWindowProxy* aParent) {
|
|
if (!mTabGroup) {
|
|
mTabGroup = TabGroup::GetFromActor(this);
|
|
}
|
|
|
|
nsCOMPtr<nsIWidget> widget = nsIWidget::CreatePuppetWidget(this);
|
|
mPuppetWidget = static_cast<PuppetWidget*>(widget.get());
|
|
if (!mPuppetWidget) {
|
|
NS_ERROR("couldn't create fake widget");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
mPuppetWidget->InfallibleCreate(nullptr,
|
|
nullptr, // no parents
|
|
LayoutDeviceIntRect(0, 0, 0, 0),
|
|
nullptr // HandleWidgetEvent
|
|
);
|
|
|
|
mWebBrowser =
|
|
nsWebBrowser::Create(this, mPuppetWidget, OriginAttributesRef(), aParent,
|
|
nsIDocShellTreeItem::typeContentWrapper);
|
|
nsIWebBrowser* webBrowser = mWebBrowser;
|
|
|
|
mWebNav = do_QueryInterface(webBrowser);
|
|
NS_ASSERTION(mWebNav, "nsWebBrowser doesn't implement nsIWebNavigation?");
|
|
|
|
// Set the tab context attributes then pass to docShell
|
|
NotifyTabContextUpdated(false);
|
|
|
|
// IPC uses a WebBrowser object for which DNS prefetching is turned off
|
|
// by default. But here we really want it, so enable it explicitly
|
|
mWebBrowser->SetAllowDNSPrefetch(true);
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(docShell);
|
|
|
|
docShell->SetAffectPrivateSessionLifetime(
|
|
mChromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_LIFETIME);
|
|
nsCOMPtr<nsILoadContext> loadContext = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(loadContext);
|
|
loadContext->SetPrivateBrowsing(OriginAttributesRef().mPrivateBrowsingId > 0);
|
|
loadContext->SetRemoteTabs(mChromeFlags &
|
|
nsIWebBrowserChrome::CHROME_REMOTE_WINDOW);
|
|
|
|
// Send our browsing context to the parent process.
|
|
RefPtr<BrowsingContext> browsingContext =
|
|
nsDocShell::Cast(docShell)->GetBrowsingContext();
|
|
SendRootBrowsingContext(BrowsingContextId(browsingContext->Id()));
|
|
|
|
// Few lines before, baseWindow->Create() will end up creating a new
|
|
// window root in nsGlobalWindow::SetDocShell.
|
|
// Then this chrome event handler, will be inherited to inner windows.
|
|
// We want to also set it to the docshell so that inner windows
|
|
// and any code that has access to the docshell
|
|
// can all listen to the same chrome event handler.
|
|
// XXX: ideally, we would set a chrome event handler earlier,
|
|
// and all windows, even the root one, will use the docshell one.
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
|
|
nsCOMPtr<EventTarget> chromeHandler = window->GetChromeEventHandler();
|
|
docShell->SetChromeEventHandler(chromeHandler);
|
|
|
|
if (window->GetCurrentInnerWindow()) {
|
|
window->SetKeyboardIndicators(ShowAccelerators(), ShowFocusRings());
|
|
} else {
|
|
// Skip ShouldShowFocusRing check if no inner window is available
|
|
window->SetInitialKeyboardIndicators(ShowAccelerators(), ShowFocusRings());
|
|
}
|
|
|
|
nsContentUtils::SetScrollbarsVisibility(
|
|
window->GetDocShell(),
|
|
!!(mChromeFlags & nsIWebBrowserChrome::CHROME_SCROLLBARS));
|
|
|
|
nsWeakPtr weakPtrThis = do_GetWeakReference(
|
|
static_cast<nsITabChild*>(this)); // for capture by the lambda
|
|
ContentReceivedInputBlockCallback callback(
|
|
[weakPtrThis](const ScrollableLayerGuid& aGuid, uint64_t aInputBlockId,
|
|
bool aPreventDefault) {
|
|
if (nsCOMPtr<nsITabChild> tabChild = do_QueryReferent(weakPtrThis)) {
|
|
static_cast<TabChild*>(tabChild.get())
|
|
->ContentReceivedInputBlock(aGuid, aInputBlockId,
|
|
aPreventDefault);
|
|
}
|
|
});
|
|
mAPZEventState = new APZEventState(mPuppetWidget, std::move(callback));
|
|
|
|
mIPCOpen = true;
|
|
|
|
// Recording/replaying processes use their own compositor.
|
|
if (recordreplay::IsRecordingOrReplaying()) {
|
|
mPuppetWidget->CreateCompositor();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void TabChild::NotifyTabContextUpdated(bool aIsPreallocated) {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(docShell);
|
|
|
|
if (!docShell) {
|
|
return;
|
|
}
|
|
|
|
UpdateFrameType();
|
|
|
|
if (aIsPreallocated) {
|
|
nsDocShell::Cast(docShell)->SetOriginAttributes(OriginAttributesRef());
|
|
}
|
|
|
|
// Set SANDBOXED_AUXILIARY_NAVIGATION flag if this is a receiver page.
|
|
if (!PresentationURL().IsEmpty()) {
|
|
docShell->SetSandboxFlags(SANDBOXED_AUXILIARY_NAVIGATION);
|
|
}
|
|
}
|
|
|
|
void TabChild::UpdateFrameType() {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(docShell);
|
|
|
|
// TODO: Bug 1252794 - remove frameType from nsIDocShell.idl
|
|
docShell->SetFrameType(IsMozBrowserElement()
|
|
? nsIDocShell::FRAME_TYPE_BROWSER
|
|
: nsIDocShell::FRAME_TYPE_REGULAR);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(TabChild)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TabChild, TabChildBase)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mWebNav)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TabChild, TabChildBase)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWebNav)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(TabChild, TabChildBase)
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_END
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TabChild)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome2)
|
|
NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChromeFocus)
|
|
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWindowProvider)
|
|
NS_INTERFACE_MAP_ENTRY(nsITabChild)
|
|
NS_INTERFACE_MAP_ENTRY(nsIObserver)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
|
|
NS_INTERFACE_MAP_ENTRY(nsITooltipListener)
|
|
NS_INTERFACE_MAP_END_INHERITING(TabChildBase)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(TabChild, TabChildBase);
|
|
NS_IMPL_RELEASE_INHERITED(TabChild, TabChildBase);
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetStatus(uint32_t aStatusType, const char16_t* aStatus) {
|
|
return SetStatusWithContext(
|
|
aStatusType,
|
|
aStatus ? static_cast<const nsString&>(nsDependentString(aStatus))
|
|
: EmptyString(),
|
|
nullptr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetChromeFlags(uint32_t* aChromeFlags) {
|
|
*aChromeFlags = mChromeFlags;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetChromeFlags(uint32_t aChromeFlags) {
|
|
NS_WARNING("trying to SetChromeFlags from content process?");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::RemoteSizeShellTo(int32_t aWidth, int32_t aHeight,
|
|
int32_t aShellItemWidth, int32_t aShellItemHeight) {
|
|
nsCOMPtr<nsIDocShell> ourDocShell = do_GetInterface(WebNavigation());
|
|
nsCOMPtr<nsIBaseWindow> docShellAsWin(do_QueryInterface(ourDocShell));
|
|
NS_ENSURE_STATE(docShellAsWin);
|
|
|
|
int32_t width, height;
|
|
docShellAsWin->GetSize(&width, &height);
|
|
|
|
uint32_t flags = 0;
|
|
if (width == aWidth) {
|
|
flags |= nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CX;
|
|
}
|
|
|
|
if (height == aHeight) {
|
|
flags |= nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CY;
|
|
}
|
|
|
|
bool sent = SendSizeShellTo(flags, aWidth, aHeight, aShellItemWidth,
|
|
aShellItemHeight);
|
|
|
|
return sent ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::RemoteDropLinks(uint32_t aLinksCount, nsIDroppedLinkItem** aLinks) {
|
|
nsTArray<nsString> linksArray;
|
|
nsresult rv = NS_OK;
|
|
for (uint32_t i = 0; i < aLinksCount; i++) {
|
|
nsString tmp;
|
|
rv = aLinks[i]->GetUrl(tmp);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
linksArray.AppendElement(tmp);
|
|
|
|
rv = aLinks[i]->GetName(tmp);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
linksArray.AppendElement(tmp);
|
|
|
|
rv = aLinks[i]->GetType(tmp);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
linksArray.AppendElement(tmp);
|
|
}
|
|
bool sent = SendDropLinks(linksArray);
|
|
|
|
return sent ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::ShowAsModal() {
|
|
NS_WARNING("TabChild::ShowAsModal not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::IsWindowModal(bool* aRetVal) {
|
|
*aRetVal = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetStatusWithContext(uint32_t aStatusType,
|
|
const nsAString& aStatusText,
|
|
nsISupports* aStatusContext) {
|
|
// We can only send the status after the ipc machinery is set up
|
|
if (IPCOpen()) {
|
|
SendSetStatus(aStatusType, nsString(aStatusText));
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetDimensions(uint32_t aFlags, int32_t aX, int32_t aY, int32_t aCx,
|
|
int32_t aCy) {
|
|
// The parent is in charge of the dimension changes. If JS code wants to
|
|
// change the dimensions (moveTo, screenX, etc.) we send a message to the
|
|
// parent about the new requested dimension, the parent does the resize/move
|
|
// then send a message to the child to update itself. For APIs like screenX
|
|
// this function is called with the current value for the non-changed values.
|
|
// In a series of calls like window.screenX = 10; window.screenY = 10; for
|
|
// the second call, since screenX is not yet updated we might accidentally
|
|
// reset back screenX to it's old value. To avoid this if a parameter did not
|
|
// change we want the parent to ignore its value.
|
|
int32_t x, y, cx, cy;
|
|
GetDimensions(aFlags, &x, &y, &cx, &cy);
|
|
|
|
if (x == aX) {
|
|
aFlags |= nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_X;
|
|
}
|
|
|
|
if (y == aY) {
|
|
aFlags |= nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_Y;
|
|
}
|
|
|
|
if (cx == aCx) {
|
|
aFlags |= nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CX;
|
|
}
|
|
|
|
if (cy == aCy) {
|
|
aFlags |= nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_CY;
|
|
}
|
|
|
|
Unused << SendSetDimensions(aFlags, aX, aY, aCx, aCy);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetDimensions(uint32_t aFlags, int32_t* aX, int32_t* aY, int32_t* aCx,
|
|
int32_t* aCy) {
|
|
ScreenIntRect rect = GetOuterRect();
|
|
if (aX) {
|
|
*aX = rect.x;
|
|
}
|
|
if (aY) {
|
|
*aY = rect.y;
|
|
}
|
|
if (aCx) {
|
|
*aCx = rect.width;
|
|
}
|
|
if (aCy) {
|
|
*aCy = rect.height;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetFocus() { return NS_ERROR_NOT_IMPLEMENTED; }
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetVisibility(bool* aVisibility) {
|
|
*aVisibility = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetVisibility(bool aVisibility) {
|
|
// should the platform support this? Bug 666365
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetTitle(nsAString& aTitle) {
|
|
NS_WARNING("TabChild::GetTitle not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetTitle(const nsAString& aTitle) {
|
|
// JavaScript sends the "DOMTitleChanged" event to the parent
|
|
// via the message manager.
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetSiteWindow(void** aSiteWindow) {
|
|
NS_WARNING("TabChild::GetSiteWindow not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::Blur() { return NS_ERROR_NOT_IMPLEMENTED; }
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::FocusNextElement(bool aForDocumentNavigation) {
|
|
SendMoveFocus(true, aForDocumentNavigation);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::FocusPrevElement(bool aForDocumentNavigation) {
|
|
SendMoveFocus(false, aForDocumentNavigation);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetInterface(const nsIID& aIID, void** aSink) {
|
|
if (aIID.Equals(NS_GET_IID(nsIWebBrowserChrome3))) {
|
|
NS_IF_ADDREF(((nsISupports*)(*aSink = mWebBrowserChrome)));
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXXbz should we restrict the set of interfaces we hand out here?
|
|
// See bug 537429
|
|
return QueryInterface(aIID, aSink);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::ProvideWindow(mozIDOMWindowProxy* aParent, uint32_t aChromeFlags,
|
|
bool aCalledFromJS, bool aPositionSpecified,
|
|
bool aSizeSpecified, nsIURI* aURI,
|
|
const nsAString& aName, const nsACString& aFeatures,
|
|
bool aForceNoOpener, nsDocShellLoadState* aLoadState,
|
|
bool* aWindowIsNew, mozIDOMWindowProxy** aReturn) {
|
|
*aReturn = nullptr;
|
|
|
|
// If aParent is inside an <iframe mozbrowser> and this isn't a request to
|
|
// open a modal-type window, we're going to create a new <iframe mozbrowser>
|
|
// and return its window here.
|
|
nsCOMPtr<nsIDocShell> docshell = do_GetInterface(aParent);
|
|
bool iframeMoz =
|
|
(docshell && docshell->GetIsInMozBrowser() &&
|
|
!(aChromeFlags & (nsIWebBrowserChrome::CHROME_MODAL |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_DIALOG |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME)));
|
|
|
|
if (!iframeMoz) {
|
|
int32_t openLocation = nsWindowWatcher::GetWindowOpenLocation(
|
|
nsPIDOMWindowOuter::From(aParent), aChromeFlags, aCalledFromJS,
|
|
aPositionSpecified, aSizeSpecified);
|
|
|
|
// If it turns out we're opening in the current browser, just hand over the
|
|
// current browser's docshell.
|
|
if (openLocation == nsIBrowserDOMWindow::OPEN_CURRENTWINDOW) {
|
|
nsCOMPtr<nsIWebBrowser> browser = do_GetInterface(WebNavigation());
|
|
*aWindowIsNew = false;
|
|
return browser->GetContentDOMWindow(aReturn);
|
|
}
|
|
}
|
|
|
|
// Note that ProvideWindowCommon may return NS_ERROR_ABORT if the
|
|
// open window call was canceled. It's important that we pass this error
|
|
// code back to our caller.
|
|
ContentChild* cc = ContentChild::GetSingleton();
|
|
return cc->ProvideWindowCommon(
|
|
this, aParent, iframeMoz, aChromeFlags, aCalledFromJS, aPositionSpecified,
|
|
aSizeSpecified, aURI, aName, aFeatures, aForceNoOpener, aLoadState,
|
|
aWindowIsNew, aReturn);
|
|
}
|
|
|
|
void TabChild::DestroyWindow() {
|
|
if (mCoalescedMouseEventFlusher) {
|
|
mCoalescedMouseEventFlusher->RemoveObserver();
|
|
mCoalescedMouseEventFlusher = nullptr;
|
|
}
|
|
|
|
// In case we don't have chance to process all entries, clean all data in
|
|
// the queue.
|
|
while (mToBeDispatchedMouseData.GetSize() > 0) {
|
|
UniquePtr<CoalescedMouseData> data(
|
|
static_cast<CoalescedMouseData*>(mToBeDispatchedMouseData.PopFront()));
|
|
data.reset();
|
|
}
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(WebNavigation());
|
|
if (baseWindow) baseWindow->Destroy();
|
|
|
|
if (mPuppetWidget) {
|
|
mPuppetWidget->Destroy();
|
|
}
|
|
|
|
mLayersConnected = Nothing();
|
|
|
|
if (mLayersId.IsValid()) {
|
|
StaticMutexAutoLock lock(sTabChildrenMutex);
|
|
|
|
MOZ_ASSERT(sTabChildren);
|
|
sTabChildren->Remove(uint64_t(mLayersId));
|
|
if (!sTabChildren->Count()) {
|
|
delete sTabChildren;
|
|
sTabChildren = nullptr;
|
|
}
|
|
mLayersId = layers::LayersId{0};
|
|
}
|
|
}
|
|
|
|
void TabChild::ActorDestroy(ActorDestroyReason why) {
|
|
mIPCOpen = false;
|
|
|
|
DestroyWindow();
|
|
|
|
if (mTabChildMessageManager) {
|
|
// We should have a message manager if the global is alive, but it
|
|
// seems sometimes we don't. Assert in aurora/nightly, but don't
|
|
// crash in release builds.
|
|
MOZ_DIAGNOSTIC_ASSERT(mTabChildMessageManager->GetMessageManager());
|
|
if (mTabChildMessageManager->GetMessageManager()) {
|
|
// The messageManager relays messages via the TabChild which
|
|
// no longer exists.
|
|
mTabChildMessageManager->DisconnectMessageManager();
|
|
}
|
|
}
|
|
|
|
CompositorBridgeChild* compositorChild = CompositorBridgeChild::Get();
|
|
if (compositorChild) {
|
|
compositorChild->CancelNotifyAfterRemotePaint(this);
|
|
}
|
|
|
|
if (GetTabId() != 0) {
|
|
NestedTabChildMap().erase(GetTabId());
|
|
}
|
|
}
|
|
|
|
TabChild::~TabChild() {
|
|
if (sVisibleTabs) {
|
|
sVisibleTabs->RemoveEntry(this);
|
|
if (sVisibleTabs->IsEmpty()) {
|
|
delete sVisibleTabs;
|
|
sVisibleTabs = nullptr;
|
|
}
|
|
}
|
|
|
|
DestroyWindow();
|
|
|
|
nsCOMPtr<nsIWebBrowser> webBrowser = do_QueryInterface(WebNavigation());
|
|
if (webBrowser) {
|
|
webBrowser->SetContainerWindow(nullptr);
|
|
}
|
|
|
|
mozilla::DropJSObjects(this);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvLoadURL(const nsCString& aURI,
|
|
const ShowInfo& aInfo) {
|
|
if (!mDidLoadURLInit) {
|
|
mDidLoadURLInit = true;
|
|
if (!InitTabChildMessageManager()) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
ApplyShowInfo(aInfo);
|
|
}
|
|
|
|
nsresult rv = WebNavigation()->LoadURI(
|
|
NS_ConvertUTF8toUTF16(aURI),
|
|
nsIWebNavigation::LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP |
|
|
nsIWebNavigation::LOAD_FLAGS_DISALLOW_INHERIT_PRINCIPAL,
|
|
nullptr, nullptr, nullptr, nsContentUtils::GetSystemPrincipal());
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING(
|
|
"WebNavigation()->LoadURI failed. Eating exception, what else can I "
|
|
"do?");
|
|
}
|
|
|
|
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::URL, aURI);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
void TabChild::DoFakeShow(const ShowInfo& aShowInfo) {
|
|
RecvShow(ScreenIntSize(0, 0), aShowInfo, mParentIsActive, nsSizeMode_Normal);
|
|
mDidFakeShow = true;
|
|
}
|
|
|
|
void TabChild::ApplyShowInfo(const ShowInfo& aInfo) {
|
|
// Even if we already set real show info, the dpi / rounding & scale may still
|
|
// be invalid (if TabParent wasn't able to get widget it would just send 0).
|
|
// So better to always set up-to-date values here.
|
|
if (aInfo.dpi() > 0) {
|
|
mPuppetWidget->UpdateBackingScaleCache(aInfo.dpi(), aInfo.widgetRounding(),
|
|
aInfo.defaultScale());
|
|
}
|
|
|
|
if (mDidSetRealShowInfo) {
|
|
return;
|
|
}
|
|
|
|
if (!aInfo.fakeShowInfo()) {
|
|
// Once we've got one ShowInfo from parent, no need to update the values
|
|
// anymore.
|
|
mDidSetRealShowInfo = true;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (docShell) {
|
|
nsCOMPtr<nsIDocShellTreeItem> item = do_GetInterface(docShell);
|
|
if (IsMozBrowser()) {
|
|
// B2G allows window.name to be set by changing the name attribute on the
|
|
// <iframe mozbrowser> element. window.open calls cause this attribute to
|
|
// be set to the correct value. A normal <xul:browser> element has no such
|
|
// attribute. The data we get here comes from reading the attribute, so we
|
|
// shouldn't trust it for <xul:browser> elements.
|
|
item->SetName(aInfo.name());
|
|
}
|
|
docShell->SetFullscreenAllowed(aInfo.fullscreenAllowed());
|
|
if (aInfo.isPrivate()) {
|
|
nsCOMPtr<nsILoadContext> context = do_GetInterface(docShell);
|
|
// No need to re-set private browsing mode.
|
|
if (!context->UsePrivateBrowsing()) {
|
|
if (docShell->GetHasLoadedNonBlankURI()) {
|
|
nsContentUtils::ReportToConsoleNonLocalized(
|
|
NS_LITERAL_STRING("We should not switch to Private Browsing "
|
|
"after loading a document."),
|
|
nsIScriptError::warningFlag,
|
|
NS_LITERAL_CSTRING("mozprivatebrowsing"), nullptr);
|
|
} else {
|
|
OriginAttributes attrs(
|
|
nsDocShell::Cast(docShell)->GetOriginAttributes());
|
|
attrs.SyncAttributesWithPrivateBrowsing(true);
|
|
nsDocShell::Cast(docShell)->SetOriginAttributes(attrs);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
mIsTransparent = aInfo.isTransparent();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvShow(const ScreenIntSize& aSize,
|
|
const ShowInfo& aInfo,
|
|
const bool& aParentIsActive,
|
|
const nsSizeMode& aSizeMode) {
|
|
bool res = true;
|
|
|
|
mPuppetWidget->SetSizeMode(aSizeMode);
|
|
if (!mDidFakeShow) {
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(WebNavigation());
|
|
if (!baseWindow) {
|
|
NS_ERROR("WebNavigation() doesn't QI to nsIBaseWindow");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
baseWindow->SetVisibility(true);
|
|
res = InitTabChildMessageManager();
|
|
}
|
|
|
|
ApplyShowInfo(aInfo);
|
|
RecvParentActivated(aParentIsActive);
|
|
|
|
if (!res) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
// We have now done enough initialization for the record/replay system to
|
|
// create checkpoints. Create a checkpoint now, in case this process never
|
|
// paints later on (the usual place where checkpoints occur).
|
|
if (recordreplay::IsRecordingOrReplaying()) {
|
|
recordreplay::child::CreateCheckpoint();
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvInitRendering(
|
|
const TextureFactoryIdentifier& aTextureFactoryIdentifier,
|
|
const layers::LayersId& aLayersId,
|
|
const CompositorOptions& aCompositorOptions, const bool& aLayersConnected) {
|
|
mLayersConnected = Some(aLayersConnected);
|
|
InitRenderingState(aTextureFactoryIdentifier, aLayersId, aCompositorOptions);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvUpdateDimensions(
|
|
const DimensionInfo& aDimensionInfo) {
|
|
// When recording/replaying we need to make sure the dimensions are up to
|
|
// date on the compositor used in this process.
|
|
if (mLayersConnected.isNothing() && !recordreplay::IsRecordingOrReplaying()) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
mUnscaledOuterRect = aDimensionInfo.rect();
|
|
mClientOffset = aDimensionInfo.clientOffset();
|
|
mChromeOffset = aDimensionInfo.chromeOffset();
|
|
|
|
mOrientation = aDimensionInfo.orientation();
|
|
SetUnscaledInnerSize(aDimensionInfo.size());
|
|
if (!mHasValidInnerSize && aDimensionInfo.size().width != 0 &&
|
|
aDimensionInfo.size().height != 0) {
|
|
mHasValidInnerSize = true;
|
|
}
|
|
|
|
ScreenIntSize screenSize = GetInnerSize();
|
|
ScreenIntRect screenRect = GetOuterRect();
|
|
|
|
// Set the size on the document viewer before we update the widget and
|
|
// trigger a reflow. Otherwise the MobileViewportManager reads the stale
|
|
// size from the content viewer when it computes a new CSS viewport.
|
|
nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(WebNavigation());
|
|
baseWin->SetPositionAndSize(0, 0, screenSize.width, screenSize.height,
|
|
nsIBaseWindow::eRepaint);
|
|
|
|
mPuppetWidget->Resize(screenRect.x + mClientOffset.x + mChromeOffset.x,
|
|
screenRect.y + mClientOffset.y + mChromeOffset.y,
|
|
screenSize.width, screenSize.height, true);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSizeModeChanged(
|
|
const nsSizeMode& aSizeMode) {
|
|
mPuppetWidget->SetSizeMode(aSizeMode);
|
|
if (!mPuppetWidget->IsVisible()) {
|
|
return IPC_OK();
|
|
}
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
nsPresContext* presContext = document->GetPresContext();
|
|
if (presContext) {
|
|
presContext->SizeModeChanged(aSizeMode);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool TabChild::UpdateFrame(const RepaintRequest& aRequest) {
|
|
return TabChildBase::UpdateFrameHandler(aRequest);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSuppressDisplayport(
|
|
const bool& aEnabled) {
|
|
if (nsCOMPtr<nsIPresShell> shell = GetPresShell()) {
|
|
shell->SuppressDisplayport(aEnabled);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
void TabChild::HandleDoubleTap(const CSSPoint& aPoint,
|
|
const Modifiers& aModifiers,
|
|
const ScrollableLayerGuid& aGuid) {
|
|
TABC_LOG(
|
|
"Handling double tap at %s with %p %p\n", Stringify(aPoint).c_str(),
|
|
mTabChildMessageManager ? mTabChildMessageManager->GetWrapper() : nullptr,
|
|
mTabChildMessageManager.get());
|
|
|
|
if (!mTabChildMessageManager) {
|
|
return;
|
|
}
|
|
|
|
// Note: there is nothing to do with the modifiers here, as we are not
|
|
// synthesizing any sort of mouse event.
|
|
nsCOMPtr<nsIDocument> document = GetDocument();
|
|
CSSRect zoomToRect = CalculateRectToZoomTo(document, aPoint);
|
|
// The double-tap can be dispatched by any scroll frame (so |aGuid| could be
|
|
// the guid of any scroll frame), but the zoom-to-rect operation must be
|
|
// performed by the root content scroll frame, so query its identifiers
|
|
// for the SendZoomToRect() call rather than using the ones from |aGuid|.
|
|
uint32_t presShellId;
|
|
ViewID viewId;
|
|
if (APZCCallbackHelper::GetOrCreateScrollIdentifiers(
|
|
document->GetDocumentElement(), &presShellId, &viewId) &&
|
|
mApzcTreeManager) {
|
|
ScrollableLayerGuid guid(mLayersId, presShellId, viewId);
|
|
|
|
mApzcTreeManager->ZoomToRect(guid, zoomToRect, DEFAULT_BEHAVIOR);
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvHandleTap(
|
|
const GeckoContentController::TapType& aType,
|
|
const LayoutDevicePoint& aPoint, const Modifiers& aModifiers,
|
|
const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId) {
|
|
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
|
|
if (!presShell) {
|
|
return IPC_OK();
|
|
}
|
|
if (!presShell->GetPresContext()) {
|
|
return IPC_OK();
|
|
}
|
|
CSSToLayoutDeviceScale scale(
|
|
presShell->GetPresContext()->CSSToDevPixelScale());
|
|
CSSPoint point =
|
|
APZCCallbackHelper::ApplyCallbackTransform(aPoint / scale, aGuid);
|
|
|
|
switch (aType) {
|
|
case GeckoContentController::TapType::eSingleTap:
|
|
if (mTabChildMessageManager) {
|
|
mAPZEventState->ProcessSingleTap(point, scale, aModifiers, aGuid, 1);
|
|
}
|
|
break;
|
|
case GeckoContentController::TapType::eDoubleTap:
|
|
HandleDoubleTap(point, aModifiers, aGuid);
|
|
break;
|
|
case GeckoContentController::TapType::eSecondTap:
|
|
if (mTabChildMessageManager) {
|
|
mAPZEventState->ProcessSingleTap(point, scale, aModifiers, aGuid, 2);
|
|
}
|
|
break;
|
|
case GeckoContentController::TapType::eLongTap:
|
|
if (mTabChildMessageManager) {
|
|
mAPZEventState->ProcessLongTap(presShell, point, scale, aModifiers,
|
|
aGuid, aInputBlockId);
|
|
}
|
|
break;
|
|
case GeckoContentController::TapType::eLongTapUp:
|
|
if (mTabChildMessageManager) {
|
|
mAPZEventState->ProcessLongTapUp(presShell, point, scale, aModifiers);
|
|
}
|
|
break;
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityHandleTap(
|
|
const GeckoContentController::TapType& aType,
|
|
const LayoutDevicePoint& aPoint, const Modifiers& aModifiers,
|
|
const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId) {
|
|
return RecvHandleTap(aType, aPoint, aModifiers, aGuid, aInputBlockId);
|
|
}
|
|
|
|
bool TabChild::NotifyAPZStateChange(
|
|
const ViewID& aViewId,
|
|
const layers::GeckoContentController::APZStateChange& aChange,
|
|
const int& aArg) {
|
|
mAPZEventState->ProcessAPZStateChange(aViewId, aChange, aArg);
|
|
if (aChange ==
|
|
layers::GeckoContentController::APZStateChange::eTransformEnd) {
|
|
// This is used by tests to determine when the APZ is done doing whatever
|
|
// it's doing. XXX generify this as needed when writing additional tests.
|
|
nsCOMPtr<nsIObserverService> observerService =
|
|
mozilla::services::GetObserverService();
|
|
observerService->NotifyObservers(nullptr, "APZ:TransformEnd", nullptr);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void TabChild::StartScrollbarDrag(
|
|
const layers::AsyncDragMetrics& aDragMetrics) {
|
|
ScrollableLayerGuid guid(mLayersId, aDragMetrics.mPresShellId,
|
|
aDragMetrics.mViewId);
|
|
|
|
if (mApzcTreeManager) {
|
|
mApzcTreeManager->StartScrollbarDrag(guid, aDragMetrics);
|
|
}
|
|
}
|
|
|
|
void TabChild::ZoomToRect(const uint32_t& aPresShellId,
|
|
const ScrollableLayerGuid::ViewID& aViewId,
|
|
const CSSRect& aRect, const uint32_t& aFlags) {
|
|
ScrollableLayerGuid guid(mLayersId, aPresShellId, aViewId);
|
|
|
|
if (mApzcTreeManager) {
|
|
mApzcTreeManager->ZoomToRect(guid, aRect, aFlags);
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvActivate() {
|
|
MOZ_ASSERT(mWebBrowser);
|
|
// Ensure that the PresShell exists, otherwise focusing
|
|
// is definitely not going to work. GetPresShell should
|
|
// create a PresShell if one doesn't exist yet.
|
|
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
|
|
MOZ_ASSERT(presShell);
|
|
|
|
mWebBrowser->FocusActivate();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvDeactivate() {
|
|
MOZ_ASSERT(mWebBrowser);
|
|
mWebBrowser->FocusDeactivate();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvParentActivated(const bool& aActivated) {
|
|
mParentIsActive = aActivated;
|
|
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
NS_ENSURE_TRUE(fm, IPC_OK());
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
fm->ParentActivated(window, aActivated);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSetKeyboardIndicators(
|
|
const UIStateChangeType& aShowAccelerators,
|
|
const UIStateChangeType& aShowFocusRings) {
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, IPC_OK());
|
|
|
|
window->SetKeyboardIndicators(aShowAccelerators, aShowFocusRings);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvStopIMEStateManagement() {
|
|
IMEStateManager::StopIMEStateManagement();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvMouseEvent(
|
|
const nsString& aType, const float& aX, const float& aY,
|
|
const int32_t& aButton, const int32_t& aClickCount,
|
|
const int32_t& aModifiers, const bool& aIgnoreRootScrollFrame) {
|
|
APZCCallbackHelper::DispatchMouseEvent(
|
|
GetPresShell(), aType, CSSPoint(aX, aY), aButton, aClickCount, aModifiers,
|
|
aIgnoreRootScrollFrame, MouseEvent_Binding::MOZ_SOURCE_UNKNOWN,
|
|
0 /* Use the default value here. */);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void TabChild::ProcessPendingCoalescedMouseDataAndDispatchEvents() {
|
|
if (!mCoalesceMouseMoveEvents || !mCoalescedMouseEventFlusher) {
|
|
// We don't enable mouse coalescing or we are destroying TabChild.
|
|
return;
|
|
}
|
|
|
|
// We may reentry the event loop and push more data to
|
|
// mToBeDispatchedMouseData while dispatching an event.
|
|
|
|
// We may have some pending coalesced data while dispatch an event and reentry
|
|
// the event loop. In that case we don't have chance to consume the remainding
|
|
// pending data until we get new mouse events. Get some helps from
|
|
// mCoalescedMouseEventFlusher to trigger it.
|
|
mCoalescedMouseEventFlusher->StartObserver();
|
|
|
|
while (mToBeDispatchedMouseData.GetSize() > 0) {
|
|
UniquePtr<CoalescedMouseData> data(
|
|
static_cast<CoalescedMouseData*>(mToBeDispatchedMouseData.PopFront()));
|
|
|
|
UniquePtr<WidgetMouseEvent> event = data->TakeCoalescedEvent();
|
|
if (event) {
|
|
// Dispatch the pending events. Using HandleRealMouseButtonEvent
|
|
// to bypass the coalesce handling in RecvRealMouseMoveEvent. Can't use
|
|
// RecvRealMouseButtonEvent because we may also put some mouse events
|
|
// other than mousemove.
|
|
HandleRealMouseButtonEvent(*event, data->GetScrollableLayerGuid(),
|
|
data->GetInputBlockId());
|
|
}
|
|
}
|
|
// mCoalescedMouseEventFlusher may be destroyed when reentrying the event
|
|
// loop.
|
|
if (mCoalescedMouseEventFlusher) {
|
|
mCoalescedMouseEventFlusher->RemoveObserver();
|
|
}
|
|
}
|
|
|
|
void TabChild::FlushAllCoalescedMouseData() {
|
|
MOZ_ASSERT(mCoalesceMouseMoveEvents);
|
|
|
|
// Move all entries from mCoalescedMouseData to mToBeDispatchedMouseData.
|
|
for (auto iter = mCoalescedMouseData.Iter(); !iter.Done(); iter.Next()) {
|
|
CoalescedMouseData* data = iter.UserData();
|
|
if (!data || data->IsEmpty()) {
|
|
continue;
|
|
}
|
|
UniquePtr<CoalescedMouseData> dispatchData =
|
|
MakeUnique<CoalescedMouseData>();
|
|
|
|
dispatchData->RetrieveDataFrom(*data);
|
|
mToBeDispatchedMouseData.Push(dispatchData.release());
|
|
}
|
|
mCoalescedMouseData.Clear();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRealMouseMoveEvent(
|
|
const WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
if (mCoalesceMouseMoveEvents && mCoalescedMouseEventFlusher) {
|
|
CoalescedMouseData* data =
|
|
mCoalescedMouseData.LookupOrAdd(aEvent.pointerId);
|
|
MOZ_ASSERT(data);
|
|
if (data->CanCoalesce(aEvent, aGuid, aInputBlockId)) {
|
|
data->Coalesce(aEvent, aGuid, aInputBlockId);
|
|
mCoalescedMouseEventFlusher->StartObserver();
|
|
return IPC_OK();
|
|
}
|
|
// Can't coalesce current mousemove event. Put the coalesced mousemove data
|
|
// with the same pointer id to mToBeDispatchedMouseData, coalesce the
|
|
// current one, and process all pending data in mToBeDispatchedMouseData.
|
|
UniquePtr<CoalescedMouseData> dispatchData =
|
|
MakeUnique<CoalescedMouseData>();
|
|
|
|
dispatchData->RetrieveDataFrom(*data);
|
|
mToBeDispatchedMouseData.Push(dispatchData.release());
|
|
|
|
// Put new data to replace the old one in the hash table.
|
|
CoalescedMouseData* newData = new CoalescedMouseData();
|
|
mCoalescedMouseData.Put(aEvent.pointerId, newData);
|
|
newData->Coalesce(aEvent, aGuid, aInputBlockId);
|
|
|
|
// Dispatch all pending mouse events.
|
|
ProcessPendingCoalescedMouseDataAndDispatchEvents();
|
|
mCoalescedMouseEventFlusher->StartObserver();
|
|
} else if (!RecvRealMouseButtonEvent(aEvent, aGuid, aInputBlockId)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityRealMouseMoveEvent(
|
|
const WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
return RecvRealMouseMoveEvent(aEvent, aGuid, aInputBlockId);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSynthMouseMoveEvent(
|
|
const WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
if (!RecvRealMouseButtonEvent(aEvent, aGuid, aInputBlockId)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPrioritySynthMouseMoveEvent(
|
|
const WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
return RecvSynthMouseMoveEvent(aEvent, aGuid, aInputBlockId);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRealMouseButtonEvent(
|
|
const WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
if (mCoalesceMouseMoveEvents && mCoalescedMouseEventFlusher &&
|
|
aEvent.mMessage != eMouseMove) {
|
|
// When receiving a mouse event other than mousemove, we have to dispatch
|
|
// all coalesced events before it. However, we can't dispatch all pending
|
|
// coalesced events directly because we may reentry the event loop while
|
|
// dispatching. To make sure we won't dispatch disorder events, we move all
|
|
// coalesced mousemove events and current event to a deque to dispatch them.
|
|
// When reentrying the event loop and dispatching more events, we put new
|
|
// events in the end of the nsQueue and dispatch events from the beginning.
|
|
FlushAllCoalescedMouseData();
|
|
|
|
UniquePtr<CoalescedMouseData> dispatchData =
|
|
MakeUnique<CoalescedMouseData>();
|
|
|
|
dispatchData->Coalesce(aEvent, aGuid, aInputBlockId);
|
|
mToBeDispatchedMouseData.Push(dispatchData.release());
|
|
|
|
ProcessPendingCoalescedMouseDataAndDispatchEvents();
|
|
return IPC_OK();
|
|
}
|
|
HandleRealMouseButtonEvent(aEvent, aGuid, aInputBlockId);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void TabChild::HandleRealMouseButtonEvent(const WidgetMouseEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
// Mouse events like eMouseEnterIntoWidget, that are created in the parent
|
|
// process EventStateManager code, have an input block id which they get from
|
|
// the InputAPZContext in the parent process stack. However, they did not
|
|
// actually go through the APZ code and so their mHandledByAPZ flag is false.
|
|
// Since thos events didn't go through APZ, we don't need to send
|
|
// notifications for them.
|
|
UniquePtr<DisplayportSetListener> postLayerization;
|
|
if (aInputBlockId && aEvent.mFlags.mHandledByAPZ) {
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
postLayerization = APZCCallbackHelper::SendSetTargetAPZCNotification(
|
|
mPuppetWidget, document, aEvent, aGuid, aInputBlockId);
|
|
}
|
|
|
|
InputAPZContext context(aGuid, aInputBlockId, nsEventStatus_eIgnore,
|
|
postLayerization != nullptr);
|
|
|
|
WidgetMouseEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
APZCCallbackHelper::ApplyCallbackTransform(localEvent, aGuid,
|
|
mPuppetWidget->GetDefaultScale());
|
|
DispatchWidgetEventViaAPZ(localEvent);
|
|
|
|
if (aInputBlockId && aEvent.mFlags.mHandledByAPZ) {
|
|
mAPZEventState->ProcessMouseEvent(aEvent, aGuid, aInputBlockId);
|
|
}
|
|
|
|
// Do this after the DispatchWidgetEventViaAPZ call above, so that if the
|
|
// mouse event triggered a post-refresh AsyncDragMetrics message to be sent
|
|
// to APZ (from scrollbar dragging in nsSliderFrame), then that will reach
|
|
// APZ before the SetTargetAPZC message. This ensures the drag input block
|
|
// gets the drag metrics before handling the input events.
|
|
if (postLayerization && postLayerization->Register()) {
|
|
Unused << postLayerization.release();
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityRealMouseButtonEvent(
|
|
const WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
return RecvRealMouseButtonEvent(aEvent, aGuid, aInputBlockId);
|
|
}
|
|
|
|
// In case handling repeated mouse wheel takes much time, we skip firing current
|
|
// wheel event if it may be coalesced to the next one.
|
|
bool TabChild::MaybeCoalesceWheelEvent(const WidgetWheelEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId,
|
|
bool* aIsNextWheelEvent) {
|
|
MOZ_ASSERT(aIsNextWheelEvent);
|
|
if (aEvent.mMessage == eWheel) {
|
|
GetIPCChannel()->PeekMessages(
|
|
[aIsNextWheelEvent](const IPC::Message& aMsg) -> bool {
|
|
if (aMsg.type() == mozilla::dom::PBrowser::Msg_MouseWheelEvent__ID) {
|
|
*aIsNextWheelEvent = true;
|
|
}
|
|
return false; // Stop peeking.
|
|
});
|
|
// We only coalesce the current event when
|
|
// 1. It's eWheel (we don't coalesce eOperationStart and eWheelOperationEnd)
|
|
// 2. It's not the first wheel event.
|
|
// 3. It's not the last wheel event.
|
|
// 4. It's dispatched before the last wheel event was processed +
|
|
// the processing time of the last event.
|
|
// This way pages spending lots of time in wheel listeners get wheel
|
|
// events coalesced more aggressively.
|
|
// 5. It has same attributes as the coalesced wheel event which is not yet
|
|
// fired.
|
|
if (!mLastWheelProcessedTimeFromParent.IsNull() && *aIsNextWheelEvent &&
|
|
aEvent.mTimeStamp < (mLastWheelProcessedTimeFromParent +
|
|
mLastWheelProcessingDuration) &&
|
|
(mCoalescedWheelData.IsEmpty() ||
|
|
mCoalescedWheelData.CanCoalesce(aEvent, aGuid, aInputBlockId))) {
|
|
mCoalescedWheelData.Coalesce(aEvent, aGuid, aInputBlockId);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsEventStatus TabChild::DispatchWidgetEventViaAPZ(WidgetGUIEvent& aEvent) {
|
|
aEvent.ResetWaitingReplyFromRemoteProcessState();
|
|
return APZCCallbackHelper::DispatchWidgetEvent(aEvent);
|
|
}
|
|
|
|
void TabChild::MaybeDispatchCoalescedWheelEvent() {
|
|
if (mCoalescedWheelData.IsEmpty()) {
|
|
return;
|
|
}
|
|
UniquePtr<WidgetWheelEvent> wheelEvent =
|
|
mCoalescedWheelData.TakeCoalescedEvent();
|
|
MOZ_ASSERT(wheelEvent);
|
|
DispatchWheelEvent(*wheelEvent, mCoalescedWheelData.GetScrollableLayerGuid(),
|
|
mCoalescedWheelData.GetInputBlockId());
|
|
}
|
|
|
|
void TabChild::DispatchWheelEvent(const WidgetWheelEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
WidgetWheelEvent localEvent(aEvent);
|
|
if (aInputBlockId && aEvent.mFlags.mHandledByAPZ) {
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
UniquePtr<DisplayportSetListener> postLayerization =
|
|
APZCCallbackHelper::SendSetTargetAPZCNotification(
|
|
mPuppetWidget, document, aEvent, aGuid, aInputBlockId);
|
|
if (postLayerization && postLayerization->Register()) {
|
|
Unused << postLayerization.release();
|
|
}
|
|
}
|
|
|
|
localEvent.mWidget = mPuppetWidget;
|
|
APZCCallbackHelper::ApplyCallbackTransform(localEvent, aGuid,
|
|
mPuppetWidget->GetDefaultScale());
|
|
DispatchWidgetEventViaAPZ(localEvent);
|
|
|
|
if (localEvent.mCanTriggerSwipe) {
|
|
SendRespondStartSwipeEvent(aInputBlockId, localEvent.TriggersSwipe());
|
|
}
|
|
|
|
if (aInputBlockId && aEvent.mFlags.mHandledByAPZ) {
|
|
mAPZEventState->ProcessWheelEvent(localEvent, aGuid, aInputBlockId);
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvMouseWheelEvent(
|
|
const WidgetWheelEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
bool isNextWheelEvent = false;
|
|
if (MaybeCoalesceWheelEvent(aEvent, aGuid, aInputBlockId,
|
|
&isNextWheelEvent)) {
|
|
return IPC_OK();
|
|
}
|
|
if (isNextWheelEvent) {
|
|
// Update mLastWheelProcessedTimeFromParent so that we can compare the end
|
|
// time of the current event with the dispatched time of the next event.
|
|
mLastWheelProcessedTimeFromParent = aEvent.mTimeStamp;
|
|
mozilla::TimeStamp beforeDispatchingTime = TimeStamp::Now();
|
|
MaybeDispatchCoalescedWheelEvent();
|
|
DispatchWheelEvent(aEvent, aGuid, aInputBlockId);
|
|
mLastWheelProcessingDuration = (TimeStamp::Now() - beforeDispatchingTime);
|
|
mLastWheelProcessedTimeFromParent += mLastWheelProcessingDuration;
|
|
} else {
|
|
// This is the last wheel event. Set mLastWheelProcessedTimeFromParent to
|
|
// null moment to avoid coalesce the next incoming wheel event.
|
|
mLastWheelProcessedTimeFromParent = TimeStamp();
|
|
MaybeDispatchCoalescedWheelEvent();
|
|
DispatchWheelEvent(aEvent, aGuid, aInputBlockId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityMouseWheelEvent(
|
|
const WidgetWheelEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
return RecvMouseWheelEvent(aEvent, aGuid, aInputBlockId);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRealTouchEvent(
|
|
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse) {
|
|
TABC_LOG("Receiving touch event of type %d\n", aEvent.mMessage);
|
|
|
|
WidgetTouchEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
|
|
APZCCallbackHelper::ApplyCallbackTransform(localEvent, aGuid,
|
|
mPuppetWidget->GetDefaultScale());
|
|
|
|
if (localEvent.mMessage == eTouchStart && AsyncPanZoomEnabled()) {
|
|
nsCOMPtr<nsIDocument> document = GetDocument();
|
|
if (gfxPrefs::TouchActionEnabled()) {
|
|
APZCCallbackHelper::SendSetAllowedTouchBehaviorNotification(
|
|
mPuppetWidget, document, localEvent, aInputBlockId,
|
|
mSetAllowedTouchBehaviorCallback);
|
|
}
|
|
UniquePtr<DisplayportSetListener> postLayerization =
|
|
APZCCallbackHelper::SendSetTargetAPZCNotification(
|
|
mPuppetWidget, document, localEvent, aGuid, aInputBlockId);
|
|
if (postLayerization && postLayerization->Register()) {
|
|
Unused << postLayerization.release();
|
|
}
|
|
}
|
|
|
|
// Dispatch event to content (potentially a long-running operation)
|
|
nsEventStatus status = DispatchWidgetEventViaAPZ(localEvent);
|
|
|
|
if (!AsyncPanZoomEnabled()) {
|
|
// We shouldn't have any e10s platforms that have touch events enabled
|
|
// without APZ.
|
|
MOZ_ASSERT(false);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mAPZEventState->ProcessTouchEvent(localEvent, aGuid, aInputBlockId,
|
|
aApzResponse, status);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityRealTouchEvent(
|
|
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse) {
|
|
return RecvRealTouchEvent(aEvent, aGuid, aInputBlockId, aApzResponse);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRealTouchMoveEvent(
|
|
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse) {
|
|
if (!RecvRealTouchEvent(aEvent, aGuid, aInputBlockId, aApzResponse)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityRealTouchMoveEvent(
|
|
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse) {
|
|
return RecvRealTouchMoveEvent(aEvent, aGuid, aInputBlockId, aApzResponse);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRealDragEvent(
|
|
const WidgetDragEvent& aEvent, const uint32_t& aDragAction,
|
|
const uint32_t& aDropEffect, const nsCString& aPrincipalURISpec) {
|
|
WidgetDragEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
|
|
nsCOMPtr<nsIDragSession> dragSession = nsContentUtils::GetDragSession();
|
|
if (dragSession) {
|
|
dragSession->SetDragAction(aDragAction);
|
|
dragSession->SetTriggeringPrincipalURISpec(aPrincipalURISpec);
|
|
RefPtr<DataTransfer> initialDataTransfer = dragSession->GetDataTransfer();
|
|
if (initialDataTransfer) {
|
|
initialDataTransfer->SetDropEffectInt(aDropEffect);
|
|
}
|
|
}
|
|
|
|
if (aEvent.mMessage == eDrop) {
|
|
bool canDrop = true;
|
|
if (!dragSession || NS_FAILED(dragSession->GetCanDrop(&canDrop)) ||
|
|
!canDrop) {
|
|
localEvent.mMessage = eDragExit;
|
|
}
|
|
} else if (aEvent.mMessage == eDragOver) {
|
|
nsCOMPtr<nsIDragService> dragService =
|
|
do_GetService("@mozilla.org/widget/dragservice;1");
|
|
if (dragService) {
|
|
// This will dispatch 'drag' event at the source if the
|
|
// drag transaction started in this process.
|
|
dragService->FireDragEventAtSource(eDrag, aEvent.mModifiers);
|
|
}
|
|
}
|
|
|
|
DispatchWidgetEventViaAPZ(localEvent);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvPluginEvent(
|
|
const WidgetPluginEvent& aEvent) {
|
|
WidgetPluginEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
nsEventStatus status = DispatchWidgetEventViaAPZ(localEvent);
|
|
if (status != nsEventStatus_eConsumeNoDefault) {
|
|
// If not consumed, we should call default action
|
|
SendDefaultProcOfPluginEvent(aEvent);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
void TabChild::RequestEditCommands(nsIWidget::NativeKeyBindingsType aType,
|
|
const WidgetKeyboardEvent& aEvent,
|
|
nsTArray<CommandInt>& aCommands) {
|
|
MOZ_ASSERT(aCommands.IsEmpty());
|
|
|
|
if (NS_WARN_IF(aEvent.IsEditCommandsInitialized(aType))) {
|
|
aCommands = aEvent.EditCommandsConstRef(aType);
|
|
return;
|
|
}
|
|
|
|
switch (aType) {
|
|
case nsIWidget::NativeKeyBindingsForSingleLineEditor:
|
|
case nsIWidget::NativeKeyBindingsForMultiLineEditor:
|
|
case nsIWidget::NativeKeyBindingsForRichTextEditor:
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("Invalid native key bindings type");
|
|
}
|
|
|
|
// Don't send aEvent to the parent process directly because it'll be marked
|
|
// as posted to remote process.
|
|
WidgetKeyboardEvent localEvent(aEvent);
|
|
SendRequestNativeKeyBindings(aType, localEvent, &aCommands);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNativeSynthesisResponse(
|
|
const uint64_t& aObserverId, const nsCString& aResponse) {
|
|
mozilla::widget::AutoObserverNotifier::NotifySavedObserver(aObserverId,
|
|
aResponse.get());
|
|
return IPC_OK();
|
|
}
|
|
|
|
// In case handling repeated keys takes much time, we skip firing new ones.
|
|
bool TabChild::SkipRepeatedKeyEvent(const WidgetKeyboardEvent& aEvent) {
|
|
if (mRepeatedKeyEventTime.IsNull() || !aEvent.CanSkipInRemoteProcess() ||
|
|
(aEvent.mMessage != eKeyDown && aEvent.mMessage != eKeyPress)) {
|
|
mRepeatedKeyEventTime = TimeStamp();
|
|
mSkipKeyPress = false;
|
|
return false;
|
|
}
|
|
|
|
if ((aEvent.mMessage == eKeyDown &&
|
|
(mRepeatedKeyEventTime > aEvent.mTimeStamp)) ||
|
|
(mSkipKeyPress && (aEvent.mMessage == eKeyPress))) {
|
|
// If we skip a keydown event, also the following keypress events should be
|
|
// skipped.
|
|
mSkipKeyPress |= aEvent.mMessage == eKeyDown;
|
|
return true;
|
|
}
|
|
|
|
if (aEvent.mMessage == eKeyDown) {
|
|
// If keydown wasn't skipped, nor should the possible following keypress.
|
|
mRepeatedKeyEventTime = TimeStamp();
|
|
mSkipKeyPress = false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void TabChild::UpdateRepeatedKeyEventEndTime(
|
|
const WidgetKeyboardEvent& aEvent) {
|
|
if (aEvent.mIsRepeat &&
|
|
(aEvent.mMessage == eKeyDown || aEvent.mMessage == eKeyPress)) {
|
|
mRepeatedKeyEventTime = TimeStamp::Now();
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRealKeyEvent(
|
|
const WidgetKeyboardEvent& aEvent) {
|
|
if (SkipRepeatedKeyEvent(aEvent)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
MOZ_ASSERT(
|
|
aEvent.mMessage != eKeyPress || aEvent.AreAllEditCommandsInitialized(),
|
|
"eKeyPress event should have native key binding information");
|
|
|
|
// If content code called preventDefault() on a keydown event, then we don't
|
|
// want to process any following keypress events.
|
|
if (aEvent.mMessage == eKeyPress && mIgnoreKeyPressEvent) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
WidgetKeyboardEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
localEvent.mUniqueId = aEvent.mUniqueId;
|
|
nsEventStatus status = DispatchWidgetEventViaAPZ(localEvent);
|
|
|
|
// Update the end time of the possible repeated event so that we can skip
|
|
// some incoming events in case event handling took long time.
|
|
UpdateRepeatedKeyEventEndTime(localEvent);
|
|
|
|
if (aEvent.mMessage == eKeyDown) {
|
|
mIgnoreKeyPressEvent = status == nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
if (localEvent.mFlags.mIsSuppressedOrDelayed) {
|
|
localEvent.PreventDefault();
|
|
}
|
|
|
|
// If a response is desired from the content process, resend the key event.
|
|
if (aEvent.WantReplyFromContentProcess()) {
|
|
// If the event's default isn't prevented but the status is no default,
|
|
// That means that the event was consumed by EventStateManager or something
|
|
// which is not a usual event handler. In such case, prevent its default
|
|
// as a default handler. For example, when an eKeyPress event matches
|
|
// with a content accesskey, and it's executed, peventDefault() of the
|
|
// event won't be called but the status is set to "no default". Then,
|
|
// the event shouldn't be handled by nsMenuBarListener in the main process.
|
|
if (!localEvent.DefaultPrevented() &&
|
|
status == nsEventStatus_eConsumeNoDefault) {
|
|
localEvent.PreventDefault();
|
|
}
|
|
// This is an ugly hack, mNoRemoteProcessDispatch is set to true when the
|
|
// event's PreventDefault() or StopScrollProcessForwarding() is called.
|
|
// And then, it'll be checked by ParamTraits<mozilla::WidgetEvent>::Write()
|
|
// whether the event is being sent to remote process unexpectedly.
|
|
// However, unfortunately, it cannot check the destination. Therefore,
|
|
// we need to clear the flag explicitly here because ParamTraits should
|
|
// keep checking the flag for avoiding regression.
|
|
localEvent.mFlags.mNoRemoteProcessDispatch = false;
|
|
SendReplyKeyEvent(localEvent);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityRealKeyEvent(
|
|
const WidgetKeyboardEvent& aEvent) {
|
|
return RecvRealKeyEvent(aEvent);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvCompositionEvent(
|
|
const WidgetCompositionEvent& aEvent) {
|
|
WidgetCompositionEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
DispatchWidgetEventViaAPZ(localEvent);
|
|
Unused << SendOnEventNeedingAckHandled(aEvent.mMessage);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPriorityCompositionEvent(
|
|
const WidgetCompositionEvent& aEvent) {
|
|
return RecvCompositionEvent(aEvent);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSelectionEvent(
|
|
const WidgetSelectionEvent& aEvent) {
|
|
WidgetSelectionEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
DispatchWidgetEventViaAPZ(localEvent);
|
|
Unused << SendOnEventNeedingAckHandled(aEvent.mMessage);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNormalPrioritySelectionEvent(
|
|
const WidgetSelectionEvent& aEvent) {
|
|
return RecvSelectionEvent(aEvent);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvPasteTransferable(
|
|
const IPCDataTransfer& aDataTransfer, const bool& aIsPrivateData,
|
|
const IPC::Principal& aRequestingPrincipal,
|
|
const uint32_t& aContentPolicyType) {
|
|
nsresult rv;
|
|
nsCOMPtr<nsITransferable> trans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
trans->Init(nullptr);
|
|
|
|
rv = nsContentUtils::IPCTransferableToTransferable(
|
|
aDataTransfer, aIsPrivateData, aRequestingPrincipal, aContentPolicyType,
|
|
trans, nullptr, this);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
nsCOMPtr<nsIDocShell> ourDocShell = do_GetInterface(WebNavigation());
|
|
if (NS_WARN_IF(!ourDocShell)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<nsCommandParams> params = new nsCommandParams();
|
|
rv = params->SetISupports("transferable", trans);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
ourDocShell->DoCommandWithParams("cmd_pasteTransferable", params);
|
|
return IPC_OK();
|
|
}
|
|
|
|
a11y::PDocAccessibleChild* TabChild::AllocPDocAccessibleChild(
|
|
PDocAccessibleChild*, const uint64_t&, const uint32_t&,
|
|
const IAccessibleHolder&) {
|
|
MOZ_ASSERT(false, "should never call this!");
|
|
return nullptr;
|
|
}
|
|
|
|
bool TabChild::DeallocPDocAccessibleChild(a11y::PDocAccessibleChild* aChild) {
|
|
#ifdef ACCESSIBILITY
|
|
delete static_cast<mozilla::a11y::DocAccessibleChild*>(aChild);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
PColorPickerChild* TabChild::AllocPColorPickerChild(const nsString&,
|
|
const nsString&) {
|
|
MOZ_CRASH("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool TabChild::DeallocPColorPickerChild(PColorPickerChild* aColorPicker) {
|
|
nsColorPickerProxy* picker = static_cast<nsColorPickerProxy*>(aColorPicker);
|
|
NS_RELEASE(picker);
|
|
return true;
|
|
}
|
|
|
|
PFilePickerChild* TabChild::AllocPFilePickerChild(const nsString&,
|
|
const int16_t&) {
|
|
MOZ_CRASH("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool TabChild::DeallocPFilePickerChild(PFilePickerChild* actor) {
|
|
nsFilePickerProxy* filePicker = static_cast<nsFilePickerProxy*>(actor);
|
|
NS_RELEASE(filePicker);
|
|
return true;
|
|
}
|
|
|
|
auto TabChild::AllocPIndexedDBPermissionRequestChild(
|
|
const Principal& aPrincipal) -> PIndexedDBPermissionRequestChild* {
|
|
MOZ_CRASH(
|
|
"PIndexedDBPermissionRequestChild actors should always be created "
|
|
"manually!");
|
|
}
|
|
|
|
bool TabChild::DeallocPIndexedDBPermissionRequestChild(
|
|
PIndexedDBPermissionRequestChild* aActor) {
|
|
MOZ_ASSERT(aActor);
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvActivateFrameEvent(const nsString& aType,
|
|
const bool& capture) {
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, IPC_OK());
|
|
nsCOMPtr<EventTarget> chromeHandler = window->GetChromeEventHandler();
|
|
NS_ENSURE_TRUE(chromeHandler, IPC_OK());
|
|
RefPtr<ContentListener> listener = new ContentListener(this);
|
|
chromeHandler->AddEventListener(aType, listener, capture);
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Return whether a remote script should be loaded in middleman processes in
|
|
// addition to any child recording process they have.
|
|
static bool LoadScriptInMiddleman(const nsString& aURL) {
|
|
return // Middleman processes run devtools server side scripts.
|
|
(StringBeginsWith(aURL, NS_LITERAL_STRING("resource://devtools/")) &&
|
|
recordreplay::parent::DebuggerRunsInMiddleman())
|
|
// This script includes event listeners needed to propagate document
|
|
// title changes.
|
|
|| aURL.EqualsLiteral("chrome://global/content/browser-child.js")
|
|
// This script is needed to respond to session store requests from the
|
|
// UI process.
|
|
|| aURL.EqualsLiteral("chrome://browser/content/content-sessionStore.js");
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvLoadRemoteScript(
|
|
const nsString& aURL, const bool& aRunInGlobalScope) {
|
|
if (!InitTabChildMessageManager())
|
|
// This can happen if we're half-destroyed. It's not a fatal
|
|
// error.
|
|
return IPC_OK();
|
|
|
|
JS::Rooted<JSObject*> mm(RootingCx(),
|
|
mTabChildMessageManager->GetOrCreateWrapper());
|
|
if (!mm) {
|
|
// This can happen if we're half-destroyed. It's not a fatal error.
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Make sure we only load whitelisted scripts in middleman processes.
|
|
if (recordreplay::IsMiddleman() && !LoadScriptInMiddleman(aURL)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
LoadScriptInternal(mm, aURL, !aRunInGlobalScope);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvAsyncMessage(
|
|
const nsString& aMessage, InfallibleTArray<CpowEntry>&& aCpows,
|
|
const IPC::Principal& aPrincipal, const ClonedMessageData& aData) {
|
|
AUTO_PROFILER_LABEL_DYNAMIC_LOSSY_NSSTRING("TabChild::RecvAsyncMessage",
|
|
OTHER, aMessage);
|
|
MMPrinter::Print("TabChild::RecvAsyncMessage", aMessage, aData);
|
|
|
|
CrossProcessCpowHolder cpows(Manager(), aCpows);
|
|
if (!mTabChildMessageManager) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<nsFrameMessageManager> mm =
|
|
mTabChildMessageManager->GetMessageManager();
|
|
|
|
// We should have a message manager if the global is alive, but it
|
|
// seems sometimes we don't. Assert in aurora/nightly, but don't
|
|
// crash in release builds.
|
|
MOZ_DIAGNOSTIC_ASSERT(mm);
|
|
if (!mm) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
JS::Rooted<JSObject*> kungFuDeathGrip(dom::RootingCx(),
|
|
mTabChildMessageManager->GetWrapper());
|
|
StructuredCloneData data;
|
|
UnpackClonedMessageDataForChild(aData, data);
|
|
mm->ReceiveMessage(static_cast<EventTarget*>(mTabChildMessageManager),
|
|
nullptr, aMessage, false, &data, &cpows, aPrincipal,
|
|
nullptr, IgnoreErrors());
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSwappedWithOtherRemoteLoader(
|
|
const IPCTabContext& aContext) {
|
|
nsCOMPtr<nsIDocShell> ourDocShell = do_GetInterface(WebNavigation());
|
|
if (NS_WARN_IF(!ourDocShell)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> ourWindow = ourDocShell->GetWindow();
|
|
if (NS_WARN_IF(!ourWindow)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<nsDocShell> docShell = static_cast<nsDocShell*>(ourDocShell.get());
|
|
|
|
nsCOMPtr<EventTarget> ourEventTarget = nsGlobalWindowOuter::Cast(ourWindow);
|
|
|
|
docShell->SetInFrameSwap(true);
|
|
|
|
nsContentUtils::FirePageShowEvent(ourDocShell, ourEventTarget, false, true);
|
|
nsContentUtils::FirePageHideEvent(ourDocShell, ourEventTarget, true);
|
|
|
|
// Owner content type may have changed, so store the possibly updated context
|
|
// and notify others.
|
|
MaybeInvalidTabContext maybeContext(aContext);
|
|
if (!maybeContext.IsValid()) {
|
|
NS_ERROR(nsPrintfCString("Received an invalid TabContext from "
|
|
"the parent process. (%s)",
|
|
maybeContext.GetInvalidReason())
|
|
.get());
|
|
MOZ_CRASH("Invalid TabContext received from the parent process.");
|
|
}
|
|
|
|
if (!UpdateTabContextAfterSwap(maybeContext.GetTabContext())) {
|
|
MOZ_CRASH("Update to TabContext after swap was denied.");
|
|
}
|
|
|
|
// Since mIsMozBrowserElement may change in UpdateTabContextAfterSwap, so we
|
|
// call UpdateFrameType here to make sure the frameType on the docshell is
|
|
// correct.
|
|
UpdateFrameType();
|
|
|
|
// Ignore previous value of mTriedBrowserInit since owner content has changed.
|
|
mTriedBrowserInit = true;
|
|
// Initialize the child side of the browser element machinery, if appropriate.
|
|
if (IsMozBrowser()) {
|
|
RecvLoadRemoteScript(BROWSER_ELEMENT_CHILD_SCRIPT, true);
|
|
}
|
|
|
|
nsContentUtils::FirePageShowEvent(ourDocShell, ourEventTarget, true, true);
|
|
|
|
docShell->SetInFrameSwap(false);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvHandleAccessKey(
|
|
const WidgetKeyboardEvent& aEvent, nsTArray<uint32_t>&& aCharCodes) {
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
RefPtr<nsPresContext> pc = document->GetPresContext();
|
|
if (pc) {
|
|
if (!pc->EventStateManager()->HandleAccessKey(
|
|
&(const_cast<WidgetKeyboardEvent&>(aEvent)), pc, aCharCodes)) {
|
|
// If no accesskey was found, inform the parent so that accesskeys on
|
|
// menus can be handled.
|
|
WidgetKeyboardEvent localEvent(aEvent);
|
|
localEvent.mWidget = mPuppetWidget;
|
|
SendAccessKeyNotHandled(localEvent);
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSetUseGlobalHistory(const bool& aUse) {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(docShell);
|
|
|
|
nsresult rv = docShell->SetUseGlobalHistory(aUse);
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("Failed to set UseGlobalHistory on TabChild docShell");
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvPrint(const uint64_t& aOuterWindowID,
|
|
const PrintData& aPrintData) {
|
|
#ifdef NS_PRINTING
|
|
nsGlobalWindowOuter* outerWindow =
|
|
nsGlobalWindowOuter::GetOuterWindowWithId(aOuterWindowID);
|
|
if (NS_WARN_IF(!outerWindow)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIWebBrowserPrint> webBrowserPrint =
|
|
do_GetInterface(outerWindow->AsOuter());
|
|
if (NS_WARN_IF(!webBrowserPrint)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIPrintSettingsService> printSettingsSvc =
|
|
do_GetService("@mozilla.org/gfx/printsettings-service;1");
|
|
if (NS_WARN_IF(!printSettingsSvc)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIPrintSettings> printSettings;
|
|
nsresult rv =
|
|
printSettingsSvc->GetNewPrintSettings(getter_AddRefs(printSettings));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIPrintSession> printSession =
|
|
do_CreateInstance("@mozilla.org/gfx/printsession;1", &rv);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
printSettings->SetPrintSession(printSession);
|
|
printSettingsSvc->DeserializeToPrintSettings(aPrintData, printSettings);
|
|
rv = webBrowserPrint->Print(printSettings, nullptr);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvUpdateNativeWindowHandle(
|
|
const uintptr_t& aNewHandle) {
|
|
#if defined(XP_WIN) && defined(ACCESSIBILITY)
|
|
mNativeWindowHandle = aNewHandle;
|
|
return IPC_OK();
|
|
#else
|
|
return IPC_FAIL_NO_REASON(this);
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvDestroy() {
|
|
MOZ_ASSERT(mDestroyed == false);
|
|
mDestroyed = true;
|
|
|
|
nsTArray<PContentPermissionRequestChild*> childArray =
|
|
nsContentPermissionUtils::GetContentPermissionRequestChildById(
|
|
GetTabId());
|
|
|
|
// Need to close undeleted ContentPermissionRequestChilds before tab is
|
|
// closed.
|
|
for (auto& permissionRequestChild : childArray) {
|
|
auto child = static_cast<RemotePermissionRequest*>(permissionRequestChild);
|
|
child->Destroy();
|
|
}
|
|
|
|
if (mTabChildMessageManager) {
|
|
// Message handlers are called from the event loop, so it better be safe to
|
|
// run script.
|
|
MOZ_ASSERT(nsContentUtils::IsSafeToRunScript());
|
|
mTabChildMessageManager->DispatchTrustedEvent(NS_LITERAL_STRING("unload"));
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> observerService =
|
|
mozilla::services::GetObserverService();
|
|
|
|
observerService->RemoveObserver(this, BEFORE_FIRST_PAINT);
|
|
|
|
// XXX what other code in ~TabChild() should we be running here?
|
|
DestroyWindow();
|
|
|
|
// Bounce through the event loop once to allow any delayed teardown runnables
|
|
// that were just generated to have a chance to run.
|
|
nsCOMPtr<nsIRunnable> deleteRunnable = new DelayedDeleteRunnable(this);
|
|
MOZ_ALWAYS_SUCCEEDS(NS_DispatchToCurrentThread(deleteRunnable));
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
void TabChild::AddPendingDocShellBlocker() { mPendingDocShellBlockers++; }
|
|
|
|
void TabChild::RemovePendingDocShellBlocker() {
|
|
mPendingDocShellBlockers--;
|
|
if (!mPendingDocShellBlockers && mPendingDocShellReceivedMessage) {
|
|
mPendingDocShellReceivedMessage = false;
|
|
InternalSetDocShellIsActive(mPendingDocShellIsActive);
|
|
}
|
|
if (!mPendingDocShellBlockers && mPendingRenderLayersReceivedMessage) {
|
|
mPendingRenderLayersReceivedMessage = false;
|
|
RecvRenderLayers(mPendingRenderLayers, false /* aForceRepaint */,
|
|
mPendingLayersObserverEpoch);
|
|
}
|
|
}
|
|
|
|
void TabChild::InternalSetDocShellIsActive(bool aIsActive) {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
|
|
if (docShell) {
|
|
docShell->SetIsActive(aIsActive);
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSetDocShellIsActive(
|
|
const bool& aIsActive) {
|
|
// If we're currently waiting for window opening to complete, we need to hold
|
|
// off on setting the docshell active. We queue up the values we're receiving
|
|
// in the mWindowOpenDocShellActiveStatus.
|
|
if (mPendingDocShellBlockers > 0) {
|
|
mPendingDocShellReceivedMessage = true;
|
|
mPendingDocShellIsActive = aIsActive;
|
|
return IPC_OK();
|
|
}
|
|
|
|
InternalSetDocShellIsActive(aIsActive);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRenderLayers(
|
|
const bool& aEnabled, const bool& aForceRepaint,
|
|
const layers::LayersObserverEpoch& aEpoch) {
|
|
if (mPendingDocShellBlockers > 0) {
|
|
mPendingRenderLayersReceivedMessage = true;
|
|
mPendingRenderLayers = aEnabled;
|
|
mPendingLayersObserverEpoch = aEpoch;
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Since requests to change the rendering state come in from both the hang
|
|
// monitor channel and the PContent channel, we have an ordering problem. This
|
|
// code ensures that we respect the order in which the requests were made and
|
|
// ignore stale requests.
|
|
if (mLayersObserverEpoch >= aEpoch) {
|
|
return IPC_OK();
|
|
}
|
|
mLayersObserverEpoch = aEpoch;
|
|
|
|
auto clearPaintWhileInterruptingJS = MakeScopeExit([&] {
|
|
// We might force a paint, or we might already have painted and this is a
|
|
// no-op. In either case, once we exit this scope, we need to alert the
|
|
// ProcessHangMonitor that we've finished responding to what might have
|
|
// been a request to force paint. This is so that the BackgroundHangMonitor
|
|
// for force painting can be made to wait again.
|
|
if (aEnabled) {
|
|
ProcessHangMonitor::ClearPaintWhileInterruptingJS(mLayersObserverEpoch);
|
|
}
|
|
});
|
|
|
|
if (aEnabled) {
|
|
ProcessHangMonitor::MaybeStartPaintWhileInterruptingJS();
|
|
}
|
|
|
|
if (mCompositorOptions) {
|
|
MOZ_ASSERT(mPuppetWidget);
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
MOZ_ASSERT(lm);
|
|
|
|
// We send the current layer observer epoch to the compositor so that
|
|
// TabParent knows whether a layer update notification corresponds to the
|
|
// latest RecvRenderLayers request that was made.
|
|
lm->SetLayersObserverEpoch(mLayersObserverEpoch);
|
|
}
|
|
|
|
if (aEnabled) {
|
|
if (!aForceRepaint && IsVisible()) {
|
|
// This request is a no-op. In this case, we still want a
|
|
// MozLayerTreeReady notification to fire in the parent (so that it knows
|
|
// that the child has updated its epoch). PaintWhileInterruptingJSNoOp
|
|
// does that.
|
|
if (IPCOpen()) {
|
|
Unused << SendPaintWhileInterruptingJSNoOp(mLayersObserverEpoch);
|
|
return IPC_OK();
|
|
}
|
|
}
|
|
|
|
if (!sVisibleTabs) {
|
|
sVisibleTabs = new nsTHashtable<nsPtrHashKey<TabChild>>();
|
|
}
|
|
sVisibleTabs->PutEntry(this);
|
|
|
|
MakeVisible();
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (!docShell) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
// We don't use TabChildBase::GetPresShell() here because that would create
|
|
// a content viewer if one doesn't exist yet. Creating a content viewer can
|
|
// cause JS to run, which we want to avoid. nsIDocShell::GetPresShell
|
|
// returns null if no content viewer exists yet.
|
|
if (nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell()) {
|
|
presShell->SetIsActive(true);
|
|
|
|
if (nsIFrame* root = presShell->GetRootFrame()) {
|
|
FrameLayerBuilder::InvalidateAllLayersForFrame(
|
|
nsLayoutUtils::GetDisplayRootFrame(root));
|
|
root->SchedulePaint();
|
|
}
|
|
|
|
Telemetry::AutoTimer<Telemetry::TABCHILD_PAINT_TIME> timer;
|
|
// If we need to repaint, let's do that right away. No sense waiting until
|
|
// we get back to the event loop again. We suppress the display port so
|
|
// that we only paint what's visible. This ensures that the tab we're
|
|
// switching to paints as quickly as possible.
|
|
presShell->SuppressDisplayport(true);
|
|
if (nsContentUtils::IsSafeToRunScript()) {
|
|
WebWidget()->PaintNowIfNeeded();
|
|
} else {
|
|
RefPtr<nsViewManager> vm = presShell->GetViewManager();
|
|
if (nsView* view = vm->GetRootView()) {
|
|
presShell->Paint(view, view->GetBounds(), nsIPresShell::PAINT_LAYERS);
|
|
}
|
|
}
|
|
presShell->SuppressDisplayport(false);
|
|
}
|
|
} else {
|
|
if (sVisibleTabs) {
|
|
sVisibleTabs->RemoveEntry(this);
|
|
// We don't delete sVisibleTabs here when it's empty since that
|
|
// could cause a lot of churn. Instead, we wait until ~TabChild.
|
|
}
|
|
|
|
MakeHidden();
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRequestRootPaint(
|
|
const IntRect& aRect, const float& aScale, const nscolor& aBackgroundColor,
|
|
RequestRootPaintResolver&& aResolve) {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (!docShell) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
aResolve(
|
|
gfx::PaintFragment::Record(docShell, aRect, aScale, aBackgroundColor));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRequestSubPaint(
|
|
const float& aScale, const nscolor& aBackgroundColor,
|
|
RequestSubPaintResolver&& aResolve) {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (!docShell) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
gfx::IntRect rect = gfx::RoundedIn(gfx::Rect(
|
|
0.0f, 0.0f, mUnscaledInnerSize.width, mUnscaledInnerSize.height));
|
|
aResolve(
|
|
gfx::PaintFragment::Record(docShell, rect, aScale, aBackgroundColor));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvNavigateByKey(
|
|
const bool& aForward, const bool& aForDocumentNavigation) {
|
|
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
RefPtr<Element> result;
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
|
|
// Move to the first or last document.
|
|
uint32_t type =
|
|
aForward
|
|
? (aForDocumentNavigation
|
|
? static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_FIRSTDOC)
|
|
: static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_ROOT))
|
|
: (aForDocumentNavigation
|
|
? static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_LASTDOC)
|
|
: static_cast<uint32_t>(nsIFocusManager::MOVEFOCUS_LAST));
|
|
fm->MoveFocus(window, nullptr, type, nsIFocusManager::FLAG_BYKEY,
|
|
getter_AddRefs(result));
|
|
|
|
// No valid root element was found, so move to the first focusable element.
|
|
if (!result && aForward && !aForDocumentNavigation) {
|
|
fm->MoveFocus(window, nullptr, nsIFocusManager::MOVEFOCUS_FIRST,
|
|
nsIFocusManager::FLAG_BYKEY, getter_AddRefs(result));
|
|
}
|
|
|
|
SendRequestFocus(false);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvHandledWindowedPluginKeyEvent(
|
|
const NativeEventData& aKeyEventData, const bool& aIsConsumed) {
|
|
if (NS_WARN_IF(!mPuppetWidget)) {
|
|
return IPC_OK();
|
|
}
|
|
mPuppetWidget->HandledWindowedPluginKeyEvent(aKeyEventData, aIsConsumed);
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool TabChild::InitTabChildMessageManager() {
|
|
if (!mTabChildMessageManager) {
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, false);
|
|
nsCOMPtr<EventTarget> chromeHandler = window->GetChromeEventHandler();
|
|
NS_ENSURE_TRUE(chromeHandler, false);
|
|
|
|
RefPtr<TabChildMessageManager> scope = mTabChildMessageManager =
|
|
new TabChildMessageManager(this);
|
|
|
|
MOZ_ALWAYS_TRUE(nsMessageManagerScriptExecutor::Init());
|
|
|
|
nsCOMPtr<nsPIWindowRoot> root = do_QueryInterface(chromeHandler);
|
|
if (NS_WARN_IF(!root)) {
|
|
mTabChildMessageManager = nullptr;
|
|
return false;
|
|
}
|
|
root->SetParentTarget(scope);
|
|
}
|
|
|
|
if (!mTriedBrowserInit) {
|
|
mTriedBrowserInit = true;
|
|
// Initialize the child side of the browser element machinery,
|
|
// if appropriate.
|
|
if (IsMozBrowser()) {
|
|
RecvLoadRemoteScript(BROWSER_ELEMENT_CHILD_SCRIPT, true);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void TabChild::InitRenderingState(
|
|
const TextureFactoryIdentifier& aTextureFactoryIdentifier,
|
|
const layers::LayersId& aLayersId,
|
|
const CompositorOptions& aCompositorOptions) {
|
|
mPuppetWidget->InitIMEState();
|
|
|
|
MOZ_ASSERT(aLayersId.IsValid());
|
|
mTextureFactoryIdentifier = aTextureFactoryIdentifier;
|
|
|
|
// Pushing layers transactions directly to a separate
|
|
// compositor context.
|
|
PCompositorBridgeChild* compositorChild = CompositorBridgeChild::Get();
|
|
if (!compositorChild) {
|
|
mLayersConnected = Some(false);
|
|
NS_WARNING("failed to get CompositorBridgeChild instance");
|
|
return;
|
|
}
|
|
|
|
mCompositorOptions = Some(aCompositorOptions);
|
|
|
|
if (aLayersId.IsValid()) {
|
|
StaticMutexAutoLock lock(sTabChildrenMutex);
|
|
|
|
if (!sTabChildren) {
|
|
sTabChildren = new TabChildMap;
|
|
}
|
|
MOZ_ASSERT(!sTabChildren->Get(uint64_t(aLayersId)));
|
|
sTabChildren->Put(uint64_t(aLayersId), this);
|
|
mLayersId = aLayersId;
|
|
}
|
|
|
|
MOZ_ASSERT(!mPuppetWidget->HasLayerManager());
|
|
bool success = false;
|
|
if (mLayersConnected == Some(true)) {
|
|
success = CreateRemoteLayerManager(compositorChild);
|
|
}
|
|
|
|
if (success) {
|
|
MOZ_ASSERT(mLayersConnected == Some(true));
|
|
// Succeeded to create "remote" layer manager
|
|
ImageBridgeChild::IdentifyCompositorTextureHost(mTextureFactoryIdentifier);
|
|
gfx::VRManagerChild::IdentifyTextureHost(mTextureFactoryIdentifier);
|
|
InitAPZState();
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
MOZ_ASSERT(lm);
|
|
lm->SetLayersObserverEpoch(mLayersObserverEpoch);
|
|
} else {
|
|
NS_WARNING("Fallback to BasicLayerManager");
|
|
mLayersConnected = Some(false);
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> observerService =
|
|
mozilla::services::GetObserverService();
|
|
|
|
if (observerService) {
|
|
observerService->AddObserver(this, BEFORE_FIRST_PAINT, false);
|
|
}
|
|
}
|
|
|
|
bool TabChild::CreateRemoteLayerManager(
|
|
mozilla::layers::PCompositorBridgeChild* aCompositorChild) {
|
|
MOZ_ASSERT(aCompositorChild);
|
|
|
|
bool success = false;
|
|
if (mCompositorOptions->UseWebRender()) {
|
|
success = mPuppetWidget->CreateRemoteLayerManager(
|
|
[&](LayerManager* aLayerManager) -> bool {
|
|
MOZ_ASSERT(aLayerManager->AsWebRenderLayerManager());
|
|
return aLayerManager->AsWebRenderLayerManager()->Initialize(
|
|
aCompositorChild, wr::AsPipelineId(mLayersId),
|
|
&mTextureFactoryIdentifier);
|
|
});
|
|
} else {
|
|
nsTArray<LayersBackend> ignored;
|
|
PLayerTransactionChild* shadowManager =
|
|
aCompositorChild->SendPLayerTransactionConstructor(ignored,
|
|
GetLayersId());
|
|
if (shadowManager &&
|
|
shadowManager->SendGetTextureFactoryIdentifier(
|
|
&mTextureFactoryIdentifier) &&
|
|
mTextureFactoryIdentifier.mParentBackend !=
|
|
LayersBackend::LAYERS_NONE) {
|
|
success = true;
|
|
}
|
|
if (!success) {
|
|
// Since no LayerManager is associated with the tab's widget, we will
|
|
// never have an opportunity to destroy the PLayerTransaction on the next
|
|
// device or compositor reset. Therefore, we make sure to forcefully close
|
|
// it here. Failure to do so will cause the next layer tree to fail to
|
|
// attach due since the compositor requires the old layer tree to be
|
|
// disassociated.
|
|
if (shadowManager) {
|
|
static_cast<LayerTransactionChild*>(shadowManager)->Destroy();
|
|
shadowManager = nullptr;
|
|
}
|
|
NS_WARNING("failed to allocate layer transaction");
|
|
} else {
|
|
success = mPuppetWidget->CreateRemoteLayerManager(
|
|
[&](LayerManager* aLayerManager) -> bool {
|
|
ShadowLayerForwarder* lf = aLayerManager->AsShadowForwarder();
|
|
lf->SetShadowManager(shadowManager);
|
|
lf->IdentifyTextureHost(mTextureFactoryIdentifier);
|
|
return true;
|
|
});
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
|
|
void TabChild::InitAPZState() {
|
|
if (!mCompositorOptions->UseAPZ()) {
|
|
return;
|
|
}
|
|
auto cbc = CompositorBridgeChild::Get();
|
|
|
|
// Initialize the ApzcTreeManager. This takes multiple casts because of ugly
|
|
// multiple inheritance.
|
|
PAPZCTreeManagerChild* baseProtocol =
|
|
cbc->SendPAPZCTreeManagerConstructor(mLayersId);
|
|
APZCTreeManagerChild* derivedProtocol =
|
|
static_cast<APZCTreeManagerChild*>(baseProtocol);
|
|
|
|
mApzcTreeManager = RefPtr<IAPZCTreeManager>(derivedProtocol);
|
|
|
|
// Initialize the GeckoContentController for this tab. We don't hold a
|
|
// reference because we don't need it. The ContentProcessController will hold
|
|
// a reference to the tab, and will be destroyed by the compositor or ipdl
|
|
// during destruction.
|
|
RefPtr<GeckoContentController> contentController =
|
|
new ContentProcessController(this);
|
|
APZChild* apzChild = new APZChild(contentController);
|
|
cbc->SetEventTargetForActor(apzChild,
|
|
TabGroup()->EventTargetFor(TaskCategory::Other));
|
|
MOZ_ASSERT(apzChild->GetActorEventTarget());
|
|
cbc->SendPAPZConstructor(apzChild, mLayersId);
|
|
}
|
|
|
|
void TabChild::NotifyPainted() {
|
|
if (!mNotified) {
|
|
// Recording/replaying processes have a compositor but not a remote frame.
|
|
if (!recordreplay::IsRecordingOrReplaying()) {
|
|
SendNotifyCompositorTransaction();
|
|
}
|
|
mNotified = true;
|
|
}
|
|
}
|
|
|
|
void TabChild::MakeVisible() {
|
|
if (IsVisible()) {
|
|
return;
|
|
}
|
|
|
|
if (mPuppetWidget) {
|
|
mPuppetWidget->Show(true);
|
|
}
|
|
}
|
|
|
|
void TabChild::MakeHidden() {
|
|
if (!IsVisible()) {
|
|
return;
|
|
}
|
|
|
|
// Due to the nested event loop in ContentChild::ProvideWindowCommon,
|
|
// it's possible to be told to become hidden before we're finished
|
|
// setting up a layer manager. We should skip clearing cached layers
|
|
// in that case, since doing so might accidentally put is into
|
|
// BasicLayers mode.
|
|
if (mPuppetWidget && mPuppetWidget->HasLayerManager()) {
|
|
ClearCachedResources();
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (docShell) {
|
|
// Hide all plugins in this tab. We don't use TabChildBase::GetPresShell()
|
|
// here because that would create a content viewer if one doesn't exist yet.
|
|
// Creating a content viewer can cause JS to run, which we want to avoid.
|
|
// nsIDocShell::GetPresShell returns null if no content viewer exists yet.
|
|
if (nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell()) {
|
|
if (nsPresContext* presContext = presShell->GetPresContext()) {
|
|
nsRootPresContext* rootPresContext = presContext->GetRootPresContext();
|
|
nsIFrame* rootFrame = presShell->GetRootFrame();
|
|
rootPresContext->ComputePluginGeometryUpdates(rootFrame, nullptr,
|
|
nullptr);
|
|
rootPresContext->ApplyPluginGeometryUpdates();
|
|
}
|
|
presShell->SetIsActive(false);
|
|
}
|
|
}
|
|
|
|
if (mPuppetWidget) {
|
|
mPuppetWidget->Show(false);
|
|
}
|
|
}
|
|
|
|
bool TabChild::IsVisible() {
|
|
return mPuppetWidget && mPuppetWidget->IsVisible();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetMessageManager(ContentFrameMessageManager** aResult) {
|
|
RefPtr<ContentFrameMessageManager> mm(mTabChildMessageManager);
|
|
mm.forget(aResult);
|
|
return *aResult ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetWebBrowserChrome(nsIWebBrowserChrome3** aWebBrowserChrome) {
|
|
NS_IF_ADDREF(*aWebBrowserChrome = mWebBrowserChrome);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetWebBrowserChrome(nsIWebBrowserChrome3* aWebBrowserChrome) {
|
|
mWebBrowserChrome = aWebBrowserChrome;
|
|
return NS_OK;
|
|
}
|
|
|
|
void TabChild::SendRequestFocus(bool aCanFocus) {
|
|
PBrowserChild::SendRequestFocus(aCanFocus);
|
|
}
|
|
|
|
void TabChild::EnableDisableCommands(const nsAString& aAction,
|
|
nsTArray<nsCString>& aEnabledCommands,
|
|
nsTArray<nsCString>& aDisabledCommands) {
|
|
PBrowserChild::SendEnableDisableCommands(PromiseFlatString(aAction),
|
|
aEnabledCommands, aDisabledCommands);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetTabId(uint64_t* aId) {
|
|
*aId = GetTabId();
|
|
return NS_OK;
|
|
}
|
|
|
|
void TabChild::SetTabId(const TabId& aTabId) {
|
|
MOZ_ASSERT(mUniqueId == 0);
|
|
|
|
mUniqueId = aTabId;
|
|
NestedTabChildMap()[mUniqueId] = this;
|
|
}
|
|
|
|
bool TabChild::DoSendBlockingMessage(JSContext* aCx, const nsAString& aMessage,
|
|
StructuredCloneData& aData,
|
|
JS::Handle<JSObject*> aCpows,
|
|
nsIPrincipal* aPrincipal,
|
|
nsTArray<StructuredCloneData>* aRetVal,
|
|
bool aIsSync) {
|
|
ClonedMessageData data;
|
|
if (!BuildClonedMessageDataForChild(Manager(), aData, data)) {
|
|
return false;
|
|
}
|
|
InfallibleTArray<CpowEntry> cpows;
|
|
if (aCpows) {
|
|
jsipc::CPOWManager* mgr = Manager()->GetCPOWManager();
|
|
if (!mgr || !mgr->Wrap(aCx, aCpows, &cpows)) {
|
|
return false;
|
|
}
|
|
}
|
|
if (aIsSync) {
|
|
return SendSyncMessage(PromiseFlatString(aMessage), data, cpows,
|
|
Principal(aPrincipal), aRetVal);
|
|
}
|
|
|
|
return SendRpcMessage(PromiseFlatString(aMessage), data, cpows,
|
|
Principal(aPrincipal), aRetVal);
|
|
}
|
|
|
|
nsresult TabChild::DoSendAsyncMessage(JSContext* aCx, const nsAString& aMessage,
|
|
StructuredCloneData& aData,
|
|
JS::Handle<JSObject*> aCpows,
|
|
nsIPrincipal* aPrincipal) {
|
|
ClonedMessageData data;
|
|
if (!BuildClonedMessageDataForChild(Manager(), aData, data)) {
|
|
return NS_ERROR_DOM_DATA_CLONE_ERR;
|
|
}
|
|
InfallibleTArray<CpowEntry> cpows;
|
|
if (aCpows) {
|
|
jsipc::CPOWManager* mgr = Manager()->GetCPOWManager();
|
|
if (!mgr || !mgr->Wrap(aCx, aCpows, &cpows)) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
if (!SendAsyncMessage(PromiseFlatString(aMessage), cpows,
|
|
Principal(aPrincipal), data)) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ nsTArray<RefPtr<TabChild>> TabChild::GetAll() {
|
|
StaticMutexAutoLock lock(sTabChildrenMutex);
|
|
|
|
nsTArray<RefPtr<TabChild>> list;
|
|
if (!sTabChildren) {
|
|
return list;
|
|
}
|
|
|
|
for (auto iter = sTabChildren->Iter(); !iter.Done(); iter.Next()) {
|
|
list.AppendElement(iter.Data());
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
TabChild* TabChild::GetFrom(nsIPresShell* aPresShell) {
|
|
nsIDocument* doc = aPresShell->GetDocument();
|
|
if (!doc) {
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsIDocShell> docShell(doc->GetDocShell());
|
|
return GetFrom(docShell);
|
|
}
|
|
|
|
TabChild* TabChild::GetFrom(layers::LayersId aLayersId) {
|
|
StaticMutexAutoLock lock(sTabChildrenMutex);
|
|
if (!sTabChildren) {
|
|
return nullptr;
|
|
}
|
|
return sTabChildren->Get(uint64_t(aLayersId));
|
|
}
|
|
|
|
void TabChild::DidComposite(mozilla::layers::TransactionId aTransactionId,
|
|
const TimeStamp& aCompositeStart,
|
|
const TimeStamp& aCompositeEnd) {
|
|
MOZ_ASSERT(mPuppetWidget);
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
MOZ_ASSERT(lm);
|
|
|
|
lm->DidComposite(aTransactionId, aCompositeStart, aCompositeEnd);
|
|
}
|
|
|
|
void TabChild::DidRequestComposite(const TimeStamp& aCompositeReqStart,
|
|
const TimeStamp& aCompositeReqEnd) {
|
|
nsCOMPtr<nsIDocShell> docShellComPtr = do_GetInterface(WebNavigation());
|
|
if (!docShellComPtr) {
|
|
return;
|
|
}
|
|
|
|
nsDocShell* docShell = static_cast<nsDocShell*>(docShellComPtr.get());
|
|
RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();
|
|
|
|
if (timelines && timelines->HasConsumer(docShell)) {
|
|
// Since we're assuming that it's impossible for content JS to directly
|
|
// trigger a synchronous paint, we can avoid capturing a stack trace here,
|
|
// which means we won't run into JS engine reentrancy issues like bug
|
|
// 1310014.
|
|
timelines->AddMarkerForDocShell(
|
|
docShell, "CompositeForwardTransaction", aCompositeReqStart,
|
|
MarkerTracingType::START, MarkerStackRequest::NO_STACK);
|
|
timelines->AddMarkerForDocShell(docShell, "CompositeForwardTransaction",
|
|
aCompositeReqEnd, MarkerTracingType::END,
|
|
MarkerStackRequest::NO_STACK);
|
|
}
|
|
}
|
|
|
|
void TabChild::ClearCachedResources() {
|
|
MOZ_ASSERT(mPuppetWidget);
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
MOZ_ASSERT(lm);
|
|
|
|
lm->ClearCachedResources();
|
|
}
|
|
|
|
void TabChild::InvalidateLayers() {
|
|
MOZ_ASSERT(mPuppetWidget);
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
MOZ_ASSERT(lm);
|
|
|
|
FrameLayerBuilder::InvalidateAllLayers(lm);
|
|
}
|
|
|
|
void TabChild::SchedulePaint() {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (!docShell) {
|
|
return;
|
|
}
|
|
|
|
// We don't use TabChildBase::GetPresShell() here because that would create
|
|
// a content viewer if one doesn't exist yet. Creating a content viewer can
|
|
// cause JS to run, which we want to avoid. nsIDocShell::GetPresShell
|
|
// returns null if no content viewer exists yet.
|
|
if (nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell()) {
|
|
if (nsIFrame* root = presShell->GetRootFrame()) {
|
|
root->SchedulePaint();
|
|
}
|
|
}
|
|
}
|
|
|
|
void TabChild::ReinitRendering() {
|
|
MOZ_ASSERT(mLayersId.IsValid());
|
|
|
|
// Before we establish a new PLayerTransaction, we must connect our layer tree
|
|
// id, CompositorBridge, and the widget compositor all together again.
|
|
// Normally this happens in TabParent before TabChild is given rendering
|
|
// information.
|
|
//
|
|
// In this case, we will send a sync message to our TabParent, which in turn
|
|
// will send a sync message to the Compositor of the widget owning this tab.
|
|
// This guarantees the correct association is in place before our
|
|
// PLayerTransaction constructor message arrives on the cross-process
|
|
// compositor bridge.
|
|
CompositorOptions options;
|
|
SendEnsureLayersConnected(&options);
|
|
mCompositorOptions = Some(options);
|
|
|
|
bool success = false;
|
|
RefPtr<CompositorBridgeChild> cb = CompositorBridgeChild::Get();
|
|
|
|
if (cb) {
|
|
success = CreateRemoteLayerManager(cb);
|
|
}
|
|
|
|
if (!success) {
|
|
NS_WARNING("failed to recreate layer manager");
|
|
return;
|
|
}
|
|
|
|
mLayersConnected = Some(true);
|
|
ImageBridgeChild::IdentifyCompositorTextureHost(mTextureFactoryIdentifier);
|
|
gfx::VRManagerChild::IdentifyTextureHost(mTextureFactoryIdentifier);
|
|
|
|
InitAPZState();
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
MOZ_ASSERT(lm);
|
|
lm->SetLayersObserverEpoch(mLayersObserverEpoch);
|
|
|
|
nsCOMPtr<nsIDocument> doc(GetDocument());
|
|
doc->NotifyLayerManagerRecreated();
|
|
}
|
|
|
|
void TabChild::ReinitRenderingForDeviceReset() {
|
|
InvalidateLayers();
|
|
|
|
RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
|
|
if (WebRenderLayerManager* wlm = lm->AsWebRenderLayerManager()) {
|
|
wlm->DoDestroy(/* aIsSync */ true);
|
|
} else if (ClientLayerManager* clm = lm->AsClientLayerManager()) {
|
|
if (ShadowLayerForwarder* fwd = clm->AsShadowForwarder()) {
|
|
// Force the LayerTransactionChild to synchronously shutdown. It is
|
|
// okay to do this early, we'll simply stop sending messages. This
|
|
// step is necessary since otherwise the compositor will think we
|
|
// are trying to attach two layer trees to the same ID.
|
|
fwd->SynchronouslyShutdown();
|
|
}
|
|
} else {
|
|
if (mLayersConnected.isNothing()) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Proceed with destroying and recreating the layer manager.
|
|
ReinitRendering();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnShowTooltip(int32_t aXCoords, int32_t aYCoords,
|
|
const char16_t* aTipText, const char16_t* aTipDir) {
|
|
nsString str(aTipText);
|
|
nsString dir(aTipDir);
|
|
SendShowTooltip(aXCoords, aYCoords, str, dir);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnHideTooltip() {
|
|
SendHideTooltip();
|
|
return NS_OK;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvRequestNotifyAfterRemotePaint() {
|
|
// Get the CompositorBridgeChild instance for this content thread.
|
|
CompositorBridgeChild* compositor = CompositorBridgeChild::Get();
|
|
|
|
// Tell the CompositorBridgeChild that, when it gets a RemotePaintIsReady
|
|
// message that it should forward it us so that we can bounce it to our
|
|
// TabParent.
|
|
compositor->RequestNotifyAfterRemotePaint(this);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvUIResolutionChanged(
|
|
const float& aDpi, const int32_t& aRounding, const double& aScale) {
|
|
ScreenIntSize oldScreenSize = GetInnerSize();
|
|
if (aDpi > 0) {
|
|
mPuppetWidget->UpdateBackingScaleCache(aDpi, aRounding, aScale);
|
|
}
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
RefPtr<nsPresContext> presContext = document->GetPresContext();
|
|
if (presContext) {
|
|
presContext->UIResolutionChangedSync();
|
|
}
|
|
|
|
ScreenIntSize screenSize = GetInnerSize();
|
|
if (mHasValidInnerSize && oldScreenSize != screenSize) {
|
|
ScreenIntRect screenRect = GetOuterRect();
|
|
mPuppetWidget->Resize(screenRect.x + mClientOffset.x + mChromeOffset.x,
|
|
screenRect.y + mClientOffset.y + mChromeOffset.y,
|
|
screenSize.width, screenSize.height, true);
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(WebNavigation());
|
|
baseWin->SetPositionAndSize(0, 0, screenSize.width, screenSize.height,
|
|
nsIBaseWindow::eRepaint);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvThemeChanged(
|
|
nsTArray<LookAndFeelInt>&& aLookAndFeelIntCache) {
|
|
LookAndFeel::SetIntCache(aLookAndFeelIntCache);
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
RefPtr<nsPresContext> presContext = document->GetPresContext();
|
|
if (presContext) {
|
|
presContext->ThemeChanged();
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvAwaitLargeAlloc() {
|
|
mAwaitingLA = true;
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool TabChild::IsAwaitingLargeAlloc() { return mAwaitingLA; }
|
|
|
|
bool TabChild::StopAwaitingLargeAlloc() {
|
|
bool awaiting = mAwaitingLA;
|
|
mAwaitingLA = false;
|
|
return awaiting;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSetWindowName(const nsString& aName) {
|
|
nsCOMPtr<nsIDocShellTreeItem> item = do_QueryInterface(WebNavigation());
|
|
if (item) {
|
|
item->SetName(aName);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvAllowScriptsToClose() {
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(WebNavigation());
|
|
if (window) {
|
|
nsGlobalWindowOuter::Cast(window)->AllowScriptsToClose();
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSetOriginAttributes(
|
|
const OriginAttributes& aOriginAttributes) {
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
nsDocShell::Cast(docShell)->SetOriginAttributes(aOriginAttributes);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvSetWidgetNativeData(
|
|
const WindowsHandle& aWidgetNativeData) {
|
|
mWidgetNativeData = aWidgetNativeData;
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult TabChild::RecvGetContentBlockingLog(
|
|
GetContentBlockingLogResolver&& aResolve) {
|
|
bool success = false;
|
|
nsAutoString result;
|
|
|
|
if (nsCOMPtr<nsIDocument> doc = GetDocument()) {
|
|
result = doc->GetContentBlockingLog()->Stringify();
|
|
success = true;
|
|
}
|
|
|
|
aResolve(Tuple<const nsString&, const bool&>(result, success));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::plugins::PPluginWidgetChild* TabChild::AllocPPluginWidgetChild() {
|
|
#ifdef XP_WIN
|
|
return new mozilla::plugins::PluginWidgetChild();
|
|
#else
|
|
MOZ_ASSERT_UNREACHABLE("AllocPPluginWidgetChild only supports Windows");
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool TabChild::DeallocPPluginWidgetChild(
|
|
mozilla::plugins::PPluginWidgetChild* aActor) {
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
#ifdef XP_WIN
|
|
nsresult TabChild::CreatePluginWidget(nsIWidget* aParent, nsIWidget** aOut) {
|
|
*aOut = nullptr;
|
|
mozilla::plugins::PluginWidgetChild* child =
|
|
static_cast<mozilla::plugins::PluginWidgetChild*>(
|
|
SendPPluginWidgetConstructor());
|
|
if (!child) {
|
|
NS_ERROR("couldn't create PluginWidgetChild");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
nsCOMPtr<nsIWidget> pluginWidget =
|
|
nsIWidget::CreatePluginProxyWidget(this, child);
|
|
if (!pluginWidget) {
|
|
NS_ERROR("couldn't create PluginWidgetProxy");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsWidgetInitData initData;
|
|
initData.mWindowType = eWindowType_plugin_ipc_content;
|
|
initData.mUnicode = false;
|
|
initData.clipChildren = true;
|
|
initData.clipSiblings = true;
|
|
nsresult rv = pluginWidget->Create(
|
|
aParent, nullptr, LayoutDeviceIntRect(0, 0, 0, 0), &initData);
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("Creating native plugin widget on the chrome side failed.");
|
|
}
|
|
pluginWidget.forget(aOut);
|
|
return rv;
|
|
}
|
|
#endif // XP_WIN
|
|
|
|
PPaymentRequestChild* TabChild::AllocPPaymentRequestChild() {
|
|
MOZ_CRASH(
|
|
"We should never be manually allocating PPaymentRequestChild actors");
|
|
return nullptr;
|
|
}
|
|
|
|
bool TabChild::DeallocPPaymentRequestChild(PPaymentRequestChild* actor) {
|
|
delete actor;
|
|
return true;
|
|
}
|
|
|
|
PWindowGlobalChild* TabChild::AllocPWindowGlobalChild(const WindowGlobalInit&) {
|
|
MOZ_CRASH("We should never be manually allocating PWindowGlobalChild actors");
|
|
return nullptr;
|
|
}
|
|
|
|
bool TabChild::DeallocPWindowGlobalChild(PWindowGlobalChild* aActor) {
|
|
// This reference was added in WindowGlobalChild::Create.
|
|
static_cast<WindowGlobalChild*>(aActor)->Release();
|
|
return true;
|
|
}
|
|
|
|
ScreenIntSize TabChild::GetInnerSize() {
|
|
LayoutDeviceIntSize innerSize =
|
|
RoundedToInt(mUnscaledInnerSize * mPuppetWidget->GetDefaultScale());
|
|
return ViewAs<ScreenPixel>(
|
|
innerSize, PixelCastJustification::LayoutDeviceIsScreenForTabDims);
|
|
};
|
|
|
|
ScreenIntRect TabChild::GetOuterRect() {
|
|
LayoutDeviceIntRect outerRect =
|
|
RoundedToInt(mUnscaledOuterRect * mPuppetWidget->GetDefaultScale());
|
|
return ViewAs<ScreenPixel>(
|
|
outerRect, PixelCastJustification::LayoutDeviceIsScreenForTabDims);
|
|
}
|
|
|
|
void TabChild::PaintWhileInterruptingJS(
|
|
const layers::LayersObserverEpoch& aEpoch, bool aForceRepaint) {
|
|
if (!IPCOpen() || !mPuppetWidget || !mPuppetWidget->HasLayerManager()) {
|
|
// Don't bother doing anything now. Better to wait until we receive the
|
|
// message on the PContent channel.
|
|
return;
|
|
}
|
|
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
RecvRenderLayers(true /* aEnabled */, aForceRepaint, aEpoch);
|
|
}
|
|
|
|
void TabChild::BeforeUnloadAdded() {
|
|
// Don't bother notifying the parent if we don't have an IPC link open.
|
|
if (mBeforeUnloadListeners == 0 && IPCOpen()) {
|
|
SendSetHasBeforeUnload(true);
|
|
}
|
|
|
|
mBeforeUnloadListeners++;
|
|
MOZ_ASSERT(mBeforeUnloadListeners >= 0);
|
|
}
|
|
|
|
void TabChild::BeforeUnloadRemoved() {
|
|
mBeforeUnloadListeners--;
|
|
MOZ_ASSERT(mBeforeUnloadListeners >= 0);
|
|
|
|
// Don't bother notifying the parent if we don't have an IPC link open.
|
|
if (mBeforeUnloadListeners == 0 && IPCOpen()) {
|
|
SendSetHasBeforeUnload(false);
|
|
}
|
|
}
|
|
|
|
mozilla::dom::TabGroup* TabChild::TabGroup() { return mTabGroup; }
|
|
|
|
nsresult TabChild::GetHasSiblings(bool* aHasSiblings) {
|
|
*aHasSiblings = mHasSiblings;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult TabChild::SetHasSiblings(bool aHasSiblings) {
|
|
mHasSiblings = aHasSiblings;
|
|
return NS_OK;
|
|
}
|
|
|
|
TabChildMessageManager::TabChildMessageManager(TabChild* aTabChild)
|
|
: ContentFrameMessageManager(new nsFrameMessageManager(aTabChild)),
|
|
mTabChild(aTabChild) {}
|
|
|
|
TabChildMessageManager::~TabChildMessageManager() {}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(TabChildMessageManager)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TabChildMessageManager,
|
|
DOMEventTargetHelper)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mMessageManager);
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mTabChild);
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TabChildMessageManager,
|
|
DOMEventTargetHelper)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMessageManager)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTabChild)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TabChildMessageManager)
|
|
NS_INTERFACE_MAP_ENTRY(nsIMessageSender)
|
|
NS_INTERFACE_MAP_ENTRY(ContentFrameMessageManager)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
|
|
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(TabChildMessageManager, DOMEventTargetHelper)
|
|
NS_IMPL_RELEASE_INHERITED(TabChildMessageManager, DOMEventTargetHelper)
|
|
|
|
JSObject* TabChildMessageManager::WrapObject(
|
|
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
|
|
return ContentFrameMessageManager_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
void TabChildMessageManager::MarkForCC() {
|
|
if (mTabChild) {
|
|
mTabChild->MarkScopesForCC();
|
|
}
|
|
EventListenerManager* elm = GetExistingListenerManager();
|
|
if (elm) {
|
|
elm->MarkForCC();
|
|
}
|
|
MessageManagerGlobal::MarkForCC();
|
|
}
|
|
|
|
already_AddRefed<nsPIDOMWindowOuter> TabChildMessageManager::GetContent(
|
|
ErrorResult& aError) {
|
|
if (!mTabChild) {
|
|
aError.Throw(NS_ERROR_NULL_POINTER);
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsPIDOMWindowOuter> window =
|
|
do_GetInterface(mTabChild->WebNavigation());
|
|
return window.forget();
|
|
}
|
|
|
|
already_AddRefed<nsIDocShell> TabChildMessageManager::GetDocShell(
|
|
ErrorResult& aError) {
|
|
if (!mTabChild) {
|
|
aError.Throw(NS_ERROR_NULL_POINTER);
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsIDocShell> window = do_GetInterface(mTabChild->WebNavigation());
|
|
return window.forget();
|
|
}
|
|
|
|
already_AddRefed<nsIEventTarget> TabChildMessageManager::GetTabEventTarget() {
|
|
nsCOMPtr<nsIEventTarget> target = EventTargetFor(TaskCategory::Other);
|
|
return target.forget();
|
|
}
|
|
|
|
uint64_t TabChildMessageManager::ChromeOuterWindowID() {
|
|
if (!mTabChild) {
|
|
return 0;
|
|
}
|
|
return mTabChild->ChromeOuterWindowID();
|
|
}
|
|
|
|
nsresult TabChildMessageManager::Dispatch(
|
|
TaskCategory aCategory, already_AddRefed<nsIRunnable>&& aRunnable) {
|
|
if (mTabChild && mTabChild->TabGroup()) {
|
|
return mTabChild->TabGroup()->Dispatch(aCategory, std::move(aRunnable));
|
|
}
|
|
return DispatcherTrait::Dispatch(aCategory, std::move(aRunnable));
|
|
}
|
|
|
|
nsISerialEventTarget* TabChildMessageManager::EventTargetFor(
|
|
TaskCategory aCategory) const {
|
|
if (mTabChild && mTabChild->TabGroup()) {
|
|
return mTabChild->TabGroup()->EventTargetFor(aCategory);
|
|
}
|
|
return DispatcherTrait::EventTargetFor(aCategory);
|
|
}
|
|
|
|
AbstractThread* TabChildMessageManager::AbstractMainThreadFor(
|
|
TaskCategory aCategory) {
|
|
if (mTabChild && mTabChild->TabGroup()) {
|
|
return mTabChild->TabGroup()->AbstractMainThreadFor(aCategory);
|
|
}
|
|
return DispatcherTrait::AbstractMainThreadFor(aCategory);
|
|
}
|