зеркало из https://github.com/mozilla/gecko-dev.git
406 строки
18 KiB
C++
406 строки
18 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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_tabs_TabParent_h
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#define mozilla_tabs_TabParent_h
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#include "mozilla/EventForwards.h"
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#include "mozilla/dom/PBrowserParent.h"
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#include "mozilla/dom/PFilePickerParent.h"
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#include "mozilla/dom/TabContext.h"
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#include "nsCOMPtr.h"
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#include "nsIAuthPromptProvider.h"
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#include "nsIBrowserDOMWindow.h"
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#include "nsISecureBrowserUI.h"
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#include "nsITabParent.h"
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#include "nsIXULBrowserWindow.h"
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#include "Units.h"
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#include "js/TypeDecls.h"
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class nsFrameLoader;
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class nsIContent;
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class nsIPrincipal;
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class nsIURI;
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class nsIWidget;
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class nsILoadContext;
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class CpowHolder;
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namespace mozilla {
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namespace layers {
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struct FrameMetrics;
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struct TextureFactoryIdentifier;
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}
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namespace layout {
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class RenderFrameParent;
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}
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namespace dom {
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class ClonedMessageData;
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class ContentParent;
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class Element;
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struct StructuredCloneData;
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class TabParent : public PBrowserParent
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, public nsITabParent
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, public nsIAuthPromptProvider
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, public nsISecureBrowserUI
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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::ScrollingBehavior ScrollingBehavior;
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public:
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// nsITabParent
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NS_DECL_NSITABPARENT
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TabParent(ContentParent* aManager, const TabContext& aContext, uint32_t aChromeFlags);
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virtual ~TabParent();
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Element* GetOwnerElement() const { return mFrameElement; }
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void SetOwnerElement(Element* aElement);
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/**
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* Get the mozapptype attribute from this TabParent's owner DOM element.
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*/
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void GetAppType(nsAString& aOut);
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/**
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* Returns true iff this TabParent's nsIFrameLoader is visible.
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*
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* The frameloader's visibility can be independent of e.g. its docshell's
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* visibility.
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*/
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bool IsVisible();
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nsIBrowserDOMWindow *GetBrowserDOMWindow() { return mBrowserDOMWindow; }
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void SetBrowserDOMWindow(nsIBrowserDOMWindow* aBrowserDOMWindow) {
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mBrowserDOMWindow = aBrowserDOMWindow;
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}
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already_AddRefed<nsILoadContext> GetLoadContext();
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nsIXULBrowserWindow* GetXULBrowserWindow();
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/**
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* Return the TabParent that has decided it wants to capture an
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* event series for fast-path dispatch to its subprocess, if one
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* has.
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*
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* DOM event dispatch and widget are free to ignore capture
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* requests from TabParents; the end result wrt remote content is
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* (must be) always the same, albeit usually slower without
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* subprocess capturing. This allows frontends/widget backends to
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* "opt in" to faster cross-process dispatch.
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*/
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static TabParent* GetEventCapturer();
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/**
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* If this is the current event capturer, give this a chance to
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* capture the event. If it was captured, return true, false
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* otherwise. Un-captured events should follow normal DOM
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* dispatch; captured events should result in no further
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* processing from the caller of TryCapture().
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*
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* It's an error to call TryCapture() if this isn't the event
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* capturer.
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*/
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bool TryCapture(const WidgetGUIEvent& aEvent);
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void Destroy();
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virtual bool RecvMoveFocus(const bool& aForward) MOZ_OVERRIDE;
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virtual bool RecvEvent(const RemoteDOMEvent& aEvent) MOZ_OVERRIDE;
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virtual bool RecvReplyKeyEvent(const WidgetKeyboardEvent& event);
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virtual bool RecvPRenderFrameConstructor(PRenderFrameParent* actor) MOZ_OVERRIDE;
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virtual bool RecvInitRenderFrame(PRenderFrameParent* aFrame,
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ScrollingBehavior* scrolling,
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TextureFactoryIdentifier* identifier,
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uint64_t* layersId,
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bool *aSuccess) MOZ_OVERRIDE;
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virtual bool RecvBrowserFrameOpenWindow(PBrowserParent* aOpener,
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const nsString& aURL,
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const nsString& aName,
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const nsString& aFeatures,
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bool* aOutWindowOpened) MOZ_OVERRIDE;
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virtual bool AnswerCreateWindow(PBrowserParent** retval) MOZ_OVERRIDE;
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virtual bool RecvSyncMessage(const nsString& aMessage,
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const ClonedMessageData& aData,
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const InfallibleTArray<CpowEntry>& aCpows,
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const IPC::Principal& aPrincipal,
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InfallibleTArray<nsString>* aJSONRetVal) MOZ_OVERRIDE;
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virtual bool AnswerRpcMessage(const nsString& aMessage,
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const ClonedMessageData& aData,
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const InfallibleTArray<CpowEntry>& aCpows,
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const IPC::Principal& aPrincipal,
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InfallibleTArray<nsString>* aJSONRetVal) MOZ_OVERRIDE;
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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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const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
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virtual bool RecvNotifyIMEFocus(const bool& aFocus,
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nsIMEUpdatePreference* aPreference,
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uint32_t* aSeqno) MOZ_OVERRIDE;
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virtual bool RecvNotifyIMETextChange(const uint32_t& aStart,
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const uint32_t& aEnd,
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const uint32_t& aNewEnd,
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const bool& aCausedByComposition) MOZ_OVERRIDE;
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virtual bool RecvNotifyIMESelectedCompositionRect(const uint32_t& aOffset,
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const nsIntRect& aRect,
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const nsIntRect& aCaretRect) MOZ_OVERRIDE;
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virtual bool RecvNotifyIMESelection(const uint32_t& aSeqno,
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const uint32_t& aAnchor,
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const uint32_t& aFocus,
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const bool& aCausedByComposition) MOZ_OVERRIDE;
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virtual bool RecvNotifyIMETextHint(const nsString& aText) MOZ_OVERRIDE;
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virtual bool RecvEndIMEComposition(const bool& aCancel,
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nsString* aComposition) MOZ_OVERRIDE;
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virtual bool RecvGetInputContext(int32_t* aIMEEnabled,
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int32_t* aIMEOpen,
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intptr_t* aNativeIMEContext) MOZ_OVERRIDE;
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virtual bool RecvSetInputContext(const int32_t& aIMEEnabled,
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const int32_t& aIMEOpen,
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const nsString& aType,
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const nsString& aInputmode,
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const nsString& aActionHint,
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const int32_t& aCause,
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const int32_t& aFocusChange) MOZ_OVERRIDE;
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virtual bool RecvRequestFocus(const bool& aCanRaise) MOZ_OVERRIDE;
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virtual bool RecvSetCursor(const uint32_t& aValue) MOZ_OVERRIDE;
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virtual bool RecvSetBackgroundColor(const nscolor& aValue) MOZ_OVERRIDE;
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virtual bool RecvSetStatus(const uint32_t& aType, const nsString& aStatus) MOZ_OVERRIDE;
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virtual bool RecvIsParentWindowMainWidgetVisible(bool* aIsVisible);
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virtual bool RecvShowTooltip(const uint32_t& aX, const uint32_t& aY, const nsString& aTooltip);
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virtual bool RecvHideTooltip();
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virtual bool RecvGetDPI(float* aValue) MOZ_OVERRIDE;
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virtual bool RecvGetDefaultScale(double* aValue) MOZ_OVERRIDE;
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virtual bool RecvGetWidgetNativeData(WindowsHandle* aValue) MOZ_OVERRIDE;
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virtual bool RecvZoomToRect(const uint32_t& aPresShellId,
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const ViewID& aViewId,
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const CSSRect& aRect) MOZ_OVERRIDE;
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virtual bool RecvUpdateZoomConstraints(const uint32_t& aPresShellId,
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const ViewID& aViewId,
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const bool& aIsRoot,
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const ZoomConstraints& aConstraints) MOZ_OVERRIDE;
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virtual bool RecvContentReceivedTouch(const ScrollableLayerGuid& aGuid,
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const bool& aPreventDefault) MOZ_OVERRIDE;
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virtual PColorPickerParent*
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AllocPColorPickerParent(const nsString& aTitle, const nsString& aInitialColor) MOZ_OVERRIDE;
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virtual bool DeallocPColorPickerParent(PColorPickerParent* aColorPicker) MOZ_OVERRIDE;
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void LoadURL(nsIURI* aURI);
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// XXX/cjones: it's not clear what we gain by hiding these
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// message-sending functions under a layer of indirection and
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// eating the return values
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void Show(const nsIntSize& size);
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void UpdateDimensions(const nsRect& rect, const nsIntSize& size);
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void UpdateFrame(const layers::FrameMetrics& aFrameMetrics);
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void AcknowledgeScrollUpdate(const ViewID& aScrollId, const uint32_t& aScrollGeneration);
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void HandleDoubleTap(const CSSPoint& aPoint,
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int32_t aModifiers,
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const ScrollableLayerGuid& aGuid);
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void HandleSingleTap(const CSSPoint& aPoint,
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int32_t aModifiers,
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const ScrollableLayerGuid& aGuid);
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void HandleLongTap(const CSSPoint& aPoint,
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int32_t aModifiers,
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const ScrollableLayerGuid& aGuid);
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void HandleLongTapUp(const CSSPoint& aPoint,
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int32_t aModifiers,
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const ScrollableLayerGuid& aGuid);
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void NotifyAPZStateChange(ViewID aViewId,
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APZStateChange aChange,
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int aArg);
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void Activate();
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void Deactivate();
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bool MapEventCoordinatesForChildProcess(mozilla::WidgetEvent* aEvent);
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void MapEventCoordinatesForChildProcess(const LayoutDeviceIntPoint& aOffset,
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mozilla::WidgetEvent* aEvent);
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virtual bool RecvRequestNativeKeyBindings(const mozilla::WidgetKeyboardEvent& aEvent,
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MaybeNativeKeyBinding* aBindings) MOZ_OVERRIDE;
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void SendMouseEvent(const nsAString& aType, float aX, float aY,
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int32_t aButton, int32_t aClickCount,
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int32_t aModifiers, bool aIgnoreRootScrollFrame);
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void SendKeyEvent(const nsAString& aType, int32_t aKeyCode,
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int32_t aCharCode, int32_t aModifiers,
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bool aPreventDefault);
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bool SendRealMouseEvent(mozilla::WidgetMouseEvent& event);
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bool SendMouseWheelEvent(mozilla::WidgetWheelEvent& event);
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bool SendRealKeyEvent(mozilla::WidgetKeyboardEvent& event);
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bool SendRealTouchEvent(WidgetTouchEvent& event);
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bool SendHandleSingleTap(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid);
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bool SendHandleLongTap(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid);
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bool SendHandleLongTapUp(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid);
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bool SendHandleDoubleTap(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid);
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virtual PDocumentRendererParent*
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AllocPDocumentRendererParent(const nsRect& documentRect,
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const gfx::Matrix& 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) MOZ_OVERRIDE;
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virtual bool DeallocPDocumentRendererParent(PDocumentRendererParent* actor) MOZ_OVERRIDE;
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virtual PContentPermissionRequestParent*
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AllocPContentPermissionRequestParent(const InfallibleTArray<PermissionRequest>& aRequests,
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const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
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virtual bool
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DeallocPContentPermissionRequestParent(PContentPermissionRequestParent* actor) MOZ_OVERRIDE;
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virtual PFilePickerParent*
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AllocPFilePickerParent(const nsString& aTitle,
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const int16_t& aMode) MOZ_OVERRIDE;
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virtual bool DeallocPFilePickerParent(PFilePickerParent* actor) MOZ_OVERRIDE;
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virtual POfflineCacheUpdateParent*
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AllocPOfflineCacheUpdateParent(const URIParams& aManifestURI,
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const URIParams& aDocumentURI,
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const bool& aStickDocument) MOZ_OVERRIDE;
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virtual bool
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RecvPOfflineCacheUpdateConstructor(POfflineCacheUpdateParent* aActor,
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const URIParams& aManifestURI,
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const URIParams& aDocumentURI,
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const bool& stickDocument) MOZ_OVERRIDE;
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virtual bool
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DeallocPOfflineCacheUpdateParent(POfflineCacheUpdateParent* aActor) MOZ_OVERRIDE;
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virtual bool RecvSetOfflinePermission(const IPC::Principal& principal) MOZ_OVERRIDE;
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bool GetGlobalJSObject(JSContext* cx, JSObject** globalp);
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NS_DECL_ISUPPORTS
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NS_DECL_NSIAUTHPROMPTPROVIDER
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NS_DECL_NSISECUREBROWSERUI
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static TabParent *GetIMETabParent() { return mIMETabParent; }
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bool HandleQueryContentEvent(mozilla::WidgetQueryContentEvent& aEvent);
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bool SendCompositionEvent(mozilla::WidgetCompositionEvent& event);
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bool SendTextEvent(mozilla::WidgetTextEvent& event);
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bool SendSelectionEvent(mozilla::WidgetSelectionEvent& event);
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static TabParent* GetFrom(nsFrameLoader* aFrameLoader);
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static TabParent* GetFrom(nsIContent* aContent);
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ContentParent* Manager() { return mManager; }
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/**
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* Let managees query if Destroy() is already called so they don't send out
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* messages when the PBrowser actor is being destroyed.
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*/
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bool IsDestroyed() const { return mIsDestroyed; }
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protected:
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bool ReceiveMessage(const nsString& aMessage,
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bool aSync,
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const StructuredCloneData* aCloneData,
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CpowHolder* aCpows,
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nsIPrincipal* aPrincipal,
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InfallibleTArray<nsString>* aJSONRetVal = nullptr);
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virtual bool Recv__delete__() MOZ_OVERRIDE;
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virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
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virtual PIndexedDBParent* AllocPIndexedDBParent(
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const nsCString& aGroup,
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const nsCString& aASCIIOrigin,
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bool* /* aAllowed */) MOZ_OVERRIDE;
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virtual bool DeallocPIndexedDBParent(PIndexedDBParent* aActor) MOZ_OVERRIDE;
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virtual bool
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RecvPIndexedDBConstructor(PIndexedDBParent* aActor,
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const nsCString& aGroup,
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const nsCString& aASCIIOrigin,
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bool* aAllowed) MOZ_OVERRIDE;
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Element* mFrameElement;
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nsCOMPtr<nsIBrowserDOMWindow> mBrowserDOMWindow;
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bool AllowContentIME();
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nsIntPoint GetChildProcessOffset();
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virtual PRenderFrameParent* AllocPRenderFrameParent() MOZ_OVERRIDE;
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virtual bool DeallocPRenderFrameParent(PRenderFrameParent* aFrame) MOZ_OVERRIDE;
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// IME
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static TabParent *mIMETabParent;
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nsString mIMECacheText;
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uint32_t mIMESelectionAnchor;
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uint32_t mIMESelectionFocus;
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bool mIMEComposing;
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bool mIMECompositionEnding;
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// Buffer to store composition text during ResetInputState
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// Compositions in almost all cases are small enough for nsAutoString
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nsAutoString mIMECompositionText;
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uint32_t mIMECompositionStart;
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uint32_t mIMESeqno;
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uint32_t mIMECompositionRectOffset;
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nsIntRect mIMECompositionRect;
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nsIntRect mIMECaretRect;
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// The number of event series we're currently capturing.
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int32_t mEventCaptureDepth;
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nsRect mRect;
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nsIntSize mDimensions;
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ScreenOrientation mOrientation;
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float mDPI;
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CSSToLayoutDeviceScale mDefaultScale;
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bool mShown;
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bool mUpdatedDimensions;
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private:
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already_AddRefed<nsFrameLoader> GetFrameLoader() const;
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already_AddRefed<nsIWidget> GetWidget() const;
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layout::RenderFrameParent* GetRenderFrame();
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nsRefPtr<ContentParent> mManager;
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void TryCacheDPIAndScale();
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CSSPoint AdjustTapToChildWidget(const CSSPoint& aPoint);
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// When true, we create a pan/zoom controller for our frame and
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// notify it of input events targeting us.
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bool UseAsyncPanZoom();
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// If we have a render frame currently, notify it that we're about
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// to dispatch |aEvent| to our child. If there's a relevant
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// transform in place, |aEvent| will be transformed in-place so that
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// it is ready to be dispatched to content.
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// |aOutTargetGuid| will contain the identifier
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// of the APZC instance that handled the event. aOutTargetGuid may be
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// null.
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void MaybeForwardEventToRenderFrame(WidgetInputEvent& aEvent,
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ScrollableLayerGuid* aOutTargetGuid);
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// The offset for the child process which is sampled at touch start. This
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// means that the touch events are relative to where the frame was at the
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// start of the touch. We need to look for a better solution to this
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// problem see bug 872911.
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LayoutDeviceIntPoint mChildProcessOffsetAtTouchStart;
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// When true, we've initiated normal shutdown and notified our
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// managing PContent.
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bool mMarkedDestroying;
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// When true, the TabParent is invalid and we should not send IPC messages
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// anymore.
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bool mIsDestroyed;
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// Whether we have already sent a FileDescriptor for the app package.
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bool mAppPackageFileDescriptorSent;
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uint32_t mChromeFlags;
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nsCOMPtr<nsILoadContext> mLoadContext;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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