зеркало из https://github.com/mozilla/gecko-dev.git
511 строки
21 KiB
C++
511 строки
21 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
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/* vim: set sw=4 ts=8 et 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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#ifndef mozilla_dom_TabChild_h
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#define mozilla_dom_TabChild_h
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#include "mozilla/dom/PBrowserChild.h"
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#ifdef DEBUG
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#include "PCOMContentPermissionRequestChild.h"
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#endif /* DEBUG */
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#include "nsIWebNavigation.h"
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#include "nsCOMPtr.h"
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#include "nsAutoPtr.h"
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#include "nsEventDispatcher.h"
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#include "nsIWebBrowserChrome2.h"
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#include "nsIEmbeddingSiteWindow.h"
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#include "nsIWebBrowserChromeFocus.h"
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#include "nsIWidget.h"
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#include "nsIDOMEventListener.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIWindowProvider.h"
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#include "nsIDOMWindow.h"
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#include "nsIDocShell.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocument.h"
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#include "nsNetUtil.h"
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#include "nsFrameMessageManager.h"
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#include "nsIWebProgressListener.h"
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#include "nsDOMEventTargetHelper.h"
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#include "nsIDialogCreator.h"
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#include "nsIDialogParamBlock.h"
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#include "nsIPresShell.h"
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#include "nsIPrincipal.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsWeakReference.h"
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#include "nsITabChild.h"
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#include "mozilla/Attributes.h"
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#include "FrameMetrics.h"
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#include "ProcessUtils.h"
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#include "mozilla/dom/TabContext.h"
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#include "mozilla/dom/ContentChild.h"
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struct gfxMatrix;
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class nsICachedFileDescriptorListener;
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class nsIDOMWindowUtils;
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namespace mozilla {
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namespace layout {
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class RenderFrameChild;
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}
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namespace layers {
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struct TextureFactoryIdentifier;
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}
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namespace dom {
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class TabChild;
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class PContentDialogChild;
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class ClonedMessageData;
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class TabChildGlobal : public nsDOMEventTargetHelper,
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public nsIContentFrameMessageManager,
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public nsIScriptObjectPrincipal
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{
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public:
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TabChildGlobal(TabChild* aTabChild);
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void Init();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TabChildGlobal, nsDOMEventTargetHelper)
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NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)
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NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
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NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,
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const JS::Value& aObject,
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const JS::Value& aRemote,
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JSContext* aCx,
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uint8_t aArgc,
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JS::Value* aRetval)
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{
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return mMessageManager
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? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote, aCx, aArgc, aRetval)
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: NS_ERROR_NULL_POINTER;
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}
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NS_IMETHOD GetContent(nsIDOMWindow** aContent) MOZ_OVERRIDE;
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NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) MOZ_OVERRIDE;
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NS_IMETHOD Dump(const nsAString& aStr) MOZ_OVERRIDE
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{
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return mMessageManager ? mMessageManager->Dump(aStr) : NS_OK;
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}
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NS_IMETHOD PrivateNoteIntentionalCrash() MOZ_OVERRIDE;
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NS_IMETHOD Btoa(const nsAString& aBinaryData,
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nsAString& aAsciiBase64String) MOZ_OVERRIDE;
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NS_IMETHOD Atob(const nsAString& aAsciiString,
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nsAString& aBinaryData) MOZ_OVERRIDE;
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NS_IMETHOD AddEventListener(const nsAString& aType,
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nsIDOMEventListener* aListener,
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bool aUseCapture)
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{
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// By default add listeners only for trusted events!
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return nsDOMEventTargetHelper::AddEventListener(aType, aListener,
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aUseCapture, false, 2);
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}
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using nsDOMEventTargetHelper::AddEventListener;
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NS_IMETHOD AddEventListener(const nsAString& aType,
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nsIDOMEventListener* aListener,
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bool aUseCapture, bool aWantsUntrusted,
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uint8_t optional_argc) MOZ_OVERRIDE
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{
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return nsDOMEventTargetHelper::AddEventListener(aType, aListener,
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aUseCapture,
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aWantsUntrusted,
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optional_argc);
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}
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nsresult
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PreHandleEvent(nsEventChainPreVisitor& aVisitor)
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{
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aVisitor.mForceContentDispatch = true;
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return NS_OK;
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}
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virtual JSContext* GetJSContextForEventHandlers() MOZ_OVERRIDE;
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virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE;
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nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;
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TabChild* mTabChild;
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};
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class ContentListener MOZ_FINAL : public nsIDOMEventListener
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{
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public:
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ContentListener(TabChild* aTabChild) : mTabChild(aTabChild) {}
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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protected:
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TabChild* mTabChild;
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};
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class TabChild : public PBrowserChild,
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public nsFrameScriptExecutor,
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public nsIWebBrowserChrome2,
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public nsIEmbeddingSiteWindow,
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public nsIWebBrowserChromeFocus,
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public nsIInterfaceRequestor,
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public nsIWindowProvider,
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public nsIDOMEventListener,
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public nsIWebProgressListener,
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public nsSupportsWeakReference,
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public nsIDialogCreator,
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public nsITabChild,
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public nsIObserver,
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public ipc::MessageManagerCallback,
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public TabContext
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{
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typedef mozilla::dom::ClonedMessageData ClonedMessageData;
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typedef mozilla::layout::RenderFrameChild RenderFrameChild;
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typedef mozilla::layout::ScrollingBehavior ScrollingBehavior;
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public:
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/**
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* This is expected to be called off the critical path to content
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* startup. This is an opportunity to load things that are slow
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* on the critical path.
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*/
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static void PreloadSlowThings();
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/** Return a TabChild with the given attributes. */
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static already_AddRefed<TabChild>
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Create(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);
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virtual ~TabChild();
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bool IsRootContentDocument();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIWEBBROWSERCHROME
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NS_DECL_NSIWEBBROWSERCHROME2
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NS_DECL_NSIEMBEDDINGSITEWINDOW
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NS_DECL_NSIWEBBROWSERCHROMEFOCUS
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSIWINDOWPROVIDER
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NS_DECL_NSIDOMEVENTLISTENER
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NS_DECL_NSIWEBPROGRESSLISTENER
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NS_DECL_NSIDIALOGCREATOR
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NS_DECL_NSITABCHILD
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NS_DECL_NSIOBSERVER
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/**
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* MessageManagerCallback methods that we override.
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*/
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virtual bool DoSendSyncMessage(JSContext* aCx,
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const nsAString& aMessage,
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const mozilla::dom::StructuredCloneData& aData,
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JS::Handle<JSObject *> aCpows,
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InfallibleTArray<nsString>* aJSONRetVal);
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virtual bool DoSendAsyncMessage(JSContext* aCx,
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const nsAString& aMessage,
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const mozilla::dom::StructuredCloneData& aData,
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JS::Handle<JSObject *> aCpows);
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virtual bool RecvLoadURL(const nsCString& uri);
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virtual bool RecvCacheFileDescriptor(const nsString& aPath,
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const FileDescriptor& aFileDescriptor)
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MOZ_OVERRIDE;
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virtual bool RecvShow(const nsIntSize& size);
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virtual bool RecvUpdateDimensions(const nsRect& rect, const nsIntSize& size, const ScreenOrientation& orientation);
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virtual bool RecvUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics);
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virtual bool RecvHandleDoubleTap(const CSSIntPoint& aPoint);
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virtual bool RecvHandleSingleTap(const CSSIntPoint& aPoint);
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virtual bool RecvHandleLongTap(const CSSIntPoint& aPoint);
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virtual bool RecvActivate();
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virtual bool RecvDeactivate();
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virtual bool RecvMouseEvent(const nsString& aType,
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const float& aX,
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const float& aY,
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const int32_t& aButton,
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const int32_t& aClickCount,
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const int32_t& aModifiers,
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const bool& aIgnoreRootScrollFrame);
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virtual bool RecvRealMouseEvent(const nsMouseEvent& event);
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virtual bool RecvRealKeyEvent(const nsKeyEvent& event);
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virtual bool RecvMouseWheelEvent(const mozilla::widget::WheelEvent& event);
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virtual bool RecvRealTouchEvent(const nsTouchEvent& event);
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virtual bool RecvRealTouchMoveEvent(const nsTouchEvent& event);
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virtual bool RecvKeyEvent(const nsString& aType,
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const int32_t& aKeyCode,
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const int32_t& aCharCode,
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const int32_t& aModifiers,
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const bool& aPreventDefault);
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virtual bool RecvCompositionEvent(const nsCompositionEvent& event);
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virtual bool RecvTextEvent(const nsTextEvent& event);
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virtual bool RecvSelectionEvent(const nsSelectionEvent& event);
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virtual bool RecvActivateFrameEvent(const nsString& aType, const bool& capture);
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virtual bool RecvLoadRemoteScript(const nsString& aURL);
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virtual bool RecvAsyncMessage(const nsString& aMessage,
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const ClonedMessageData& aData,
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const InfallibleTArray<CpowEntry>& aCpows);
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virtual PDocumentRendererChild*
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AllocPDocumentRendererChild(const nsRect& documentRect, const gfxMatrix& transform,
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const nsString& bgcolor,
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const uint32_t& renderFlags, const bool& flushLayout,
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const nsIntSize& renderSize);
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virtual bool DeallocPDocumentRendererChild(PDocumentRendererChild* actor);
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virtual bool RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,
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const nsRect& documentRect,
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const gfxMatrix& transform,
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const nsString& bgcolor,
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const uint32_t& renderFlags,
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const bool& flushLayout,
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const nsIntSize& renderSize);
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virtual PContentDialogChild* AllocPContentDialogChild(const uint32_t&,
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const nsCString&,
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const nsCString&,
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const InfallibleTArray<int>&,
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const InfallibleTArray<nsString>&);
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virtual bool DeallocPContentDialogChild(PContentDialogChild* aDialog);
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static void ParamsToArrays(nsIDialogParamBlock* aParams,
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InfallibleTArray<int>& aIntParams,
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InfallibleTArray<nsString>& aStringParams);
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static void ArraysToParams(const InfallibleTArray<int>& aIntParams,
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const InfallibleTArray<nsString>& aStringParams,
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nsIDialogParamBlock* aParams);
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#ifdef DEBUG
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virtual PContentPermissionRequestChild* SendPContentPermissionRequestConstructor(PContentPermissionRequestChild* aActor,
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const nsCString& aType,
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const nsCString& aAccess,
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const IPC::Principal& aPrincipal)
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{
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PCOMContentPermissionRequestChild* child = static_cast<PCOMContentPermissionRequestChild*>(aActor);
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PContentPermissionRequestChild* request = PBrowserChild::SendPContentPermissionRequestConstructor(aActor, aType, aAccess, aPrincipal);
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child->mIPCOpen = true;
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return request;
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}
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#endif /* DEBUG */
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virtual PContentPermissionRequestChild* AllocPContentPermissionRequestChild(const nsCString& aType,
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const nsCString& aAccess,
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const IPC::Principal& aPrincipal);
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virtual bool DeallocPContentPermissionRequestChild(PContentPermissionRequestChild* actor);
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virtual POfflineCacheUpdateChild* AllocPOfflineCacheUpdateChild(
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const URIParams& manifestURI,
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const URIParams& documentURI,
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const bool& stickDocument);
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virtual bool DeallocPOfflineCacheUpdateChild(POfflineCacheUpdateChild* offlineCacheUpdate);
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nsIWebNavigation* WebNavigation() { return mWebNav; }
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nsIPrincipal* GetPrincipal() { return mPrincipal; }
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/** Return the DPI of the widget this TabChild draws to. */
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void GetDPI(float* aDPI);
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void GetDefaultScale(double *aScale);
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ScreenOrientation GetOrientation() { return mOrientation; }
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void SetBackgroundColor(const nscolor& aColor);
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void NotifyPainted();
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bool IsAsyncPanZoomEnabled();
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/** Return a boolean indicating if the page has called preventDefault on
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* the event.
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*/
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bool DispatchMouseEvent(const nsString& aType,
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const CSSPoint& aPoint,
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const int32_t& aButton,
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const int32_t& aClickCount,
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const int32_t& aModifiers,
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const bool& aIgnoreRootScrollFrame,
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const unsigned short& aInputSourceArg);
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/**
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* Signal to this TabChild that it should be made visible:
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* activated widget, retained layer tree, etc. (Respectively,
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* made not visible.)
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*/
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void MakeVisible();
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void MakeHidden();
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// Returns true if the file descriptor was found in the cache, false
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// otherwise.
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bool GetCachedFileDescriptor(const nsAString& aPath,
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nsICachedFileDescriptorListener* aCallback);
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void CancelCachedFileDescriptorCallback(
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const nsAString& aPath,
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nsICachedFileDescriptorListener* aCallback);
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ContentChild* Manager() { return mManager; }
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bool GetUpdateHitRegion() { return mUpdateHitRegion; }
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void UpdateHitRegion(const nsRegion& aRegion);
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protected:
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virtual PRenderFrameChild* AllocPRenderFrameChild(ScrollingBehavior* aScrolling,
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TextureFactoryIdentifier* aTextureFactoryIdentifier,
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uint64_t* aLayersId) MOZ_OVERRIDE;
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virtual bool DeallocPRenderFrameChild(PRenderFrameChild* aFrame) MOZ_OVERRIDE;
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virtual bool RecvDestroy() MOZ_OVERRIDE;
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virtual bool RecvSetUpdateHitRegion(const bool& aEnabled) MOZ_OVERRIDE;
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nsEventStatus DispatchWidgetEvent(nsGUIEvent& event);
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virtual PIndexedDBChild* AllocPIndexedDBChild(const nsCString& aGroup,
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const nsCString& aASCIIOrigin,
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bool* /* aAllowed */);
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virtual bool DeallocPIndexedDBChild(PIndexedDBChild* aActor);
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private:
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/**
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* Create a new TabChild object.
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*
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* |aOwnOrContainingAppId| is the app-id of our frame or of the closest app
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* frame in the hierarchy which contains us.
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*
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* |aIsBrowserElement| indicates whether we're a browser (but not an app).
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*/
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TabChild(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);
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nsresult Init();
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// Notify others that our TabContext has been updated. (At the moment, this
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// sets the appropriate app-id and is-browser flags on our docshell.)
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//
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// You should call this after calling TabContext::SetTabContext(). We also
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// call this during Init().
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void NotifyTabContextUpdated();
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bool UseDirectCompositor();
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void ActorDestroy(ActorDestroyReason why);
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enum FrameScriptLoading { DONT_LOAD_SCRIPTS, DEFAULT_LOAD_SCRIPTS };
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bool InitTabChildGlobal(FrameScriptLoading aScriptLoading = DEFAULT_LOAD_SCRIPTS);
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bool InitRenderingState();
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void DestroyWindow();
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void SetProcessNameToAppName();
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bool ProcessUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics);
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bool ProcessUpdateSubframe(nsIContent* aContent, const FrameMetrics& aMetrics);
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// Call RecvShow(nsIntSize(0, 0)) and block future calls to RecvShow().
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void DoFakeShow();
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// Wrapper for nsIDOMWindowUtils.setCSSViewport(). This updates some state
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// variables local to this class before setting it.
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void SetCSSViewport(const CSSSize& aSize);
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// Recalculates the display state, including the CSS
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// viewport. This should be called whenever we believe the
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// viewport data on a document may have changed. If it didn't
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// change, this function doesn't do anything. However, it should
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// not be called all the time as it is fairly expensive.
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void HandlePossibleViewportChange();
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// Wraps up a JSON object as a structured clone and sends it to the browser
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// chrome script.
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//
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// XXX/bug 780335: Do the work the browser chrome script does in C++ instead
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// so we don't need things like this.
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void DispatchMessageManagerMessage(const nsAString& aMessageName,
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const nsACString& aJSONData);
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void DispatchSynthesizedMouseEvent(uint32_t aMsg, uint64_t aTime,
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const LayoutDevicePoint& aRefPoint);
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// These methods are used for tracking synthetic mouse events
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// dispatched for compatibility. On each touch event, we
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// UpdateTapState(). If we've detected that the current gesture
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// isn't a tap, then we CancelTapTracking(). In the meantime, we
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// may detect a context-menu event, and if so we
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// FireContextMenuEvent().
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void FireContextMenuEvent();
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void CancelTapTracking();
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void UpdateTapState(const nsTouchEvent& aEvent, nsEventStatus aStatus);
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nsresult
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BrowserFrameProvideWindow(nsIDOMWindow* aOpener,
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nsIURI* aURI,
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const nsAString& aName,
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const nsACString& aFeatures,
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bool* aWindowIsNew,
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nsIDOMWindow** aReturn);
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// Get the DOMWindowUtils for the top-level window in this tab.
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already_AddRefed<nsIDOMWindowUtils> GetDOMWindowUtils();
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class CachedFileDescriptorInfo;
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class CachedFileDescriptorCallbackRunnable;
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TextureFactoryIdentifier mTextureFactoryIdentifier;
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nsCOMPtr<nsIWebNavigation> mWebNav;
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nsCOMPtr<nsIWidget> mWidget;
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nsCOMPtr<nsIURI> mLastURI;
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FrameMetrics mLastMetrics;
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RenderFrameChild* mRemoteFrame;
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nsRefPtr<ContentChild> mManager;
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nsRefPtr<TabChildGlobal> mTabChildGlobal;
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uint32_t mChromeFlags;
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nsIntRect mOuterRect;
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ScreenIntSize mInnerSize;
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// When we're tracking a possible tap gesture, this is the "down"
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// point of the touchstart.
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LayoutDevicePoint mGestureDownPoint;
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// The touch identifier of the active gesture.
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int32_t mActivePointerId;
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// A timer task that fires if the tap-hold timeout is exceeded by
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// the touch we're tracking. That is, if touchend or a touchmove
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// that exceeds the gesture threshold doesn't happen.
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CancelableTask* mTapHoldTimer;
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// Whether we have already received a FileDescriptor for the app package.
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bool mAppPackageFileDescriptorRecved;
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// At present only 1 of these is really expected.
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nsAutoTArray<nsAutoPtr<CachedFileDescriptorInfo>, 1>
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mCachedFileDescriptorInfos;
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float mOldViewportWidth;
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nscolor mLastBackgroundColor;
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ScrollingBehavior mScrolling;
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bool mDidFakeShow;
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bool mNotified;
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bool mContentDocumentIsDisplayed;
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bool mTriedBrowserInit;
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ScreenOrientation mOrientation;
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bool mUpdateHitRegion;
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DISALLOW_EVIL_CONSTRUCTORS(TabChild);
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};
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inline TabChild*
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GetTabChildFrom(nsIDocShell* aDocShell)
|
|
{
|
|
nsCOMPtr<nsITabChild> tc = do_GetInterface(aDocShell);
|
|
return static_cast<TabChild*>(tc.get());
|
|
}
|
|
|
|
inline TabChild*
|
|
GetTabChildFrom(nsIPresShell* aPresShell)
|
|
{
|
|
nsIDocument* doc = aPresShell->GetDocument();
|
|
if (!doc) {
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsISupports> container = doc->GetContainer();
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(container));
|
|
return GetTabChildFrom(docShell);
|
|
}
|
|
|
|
inline TabChild*
|
|
GetTabChildFrom(nsIDOMWindow* aWindow)
|
|
{
|
|
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
|
|
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
|
|
return GetTabChildFrom(docShell);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#endif // mozilla_dom_TabChild_h
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