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gecko-dev/dom/ipc/TabParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_tabs_TabParent_h
#define mozilla_tabs_TabParent_h
#include "mozilla/EventForwards.h"
#include "mozilla/dom/PBrowserParent.h"
#include "mozilla/dom/PContentDialogParent.h"
#include "mozilla/dom/PFilePickerParent.h"
#include "mozilla/dom/TabContext.h"
#include "nsCOMPtr.h"
#include "nsIAuthPromptProvider.h"
#include "nsIBrowserDOMWindow.h"
#include "nsIDialogParamBlock.h"
#include "nsISecureBrowserUI.h"
#include "nsITabParent.h"
#include "nsIXULBrowserWindow.h"
#include "Units.h"
#include "js/TypeDecls.h"
class nsFrameLoader;
class nsIContent;
class nsIPrincipal;
class nsIURI;
class nsIWidget;
class nsILoadContext;
class CpowHolder;
namespace mozilla {
namespace layers {
struct FrameMetrics;
struct TextureFactoryIdentifier;
}
namespace layout {
class RenderFrameParent;
}
namespace dom {
class ClonedMessageData;
class ContentParent;
class Element;
struct StructuredCloneData;
class ContentDialogParent : public PContentDialogParent {};
class TabParent : public PBrowserParent
, public nsITabParent
, public nsIAuthPromptProvider
, public nsISecureBrowserUI
, public TabContext
{
typedef mozilla::dom::ClonedMessageData ClonedMessageData;
typedef mozilla::layout::ScrollingBehavior ScrollingBehavior;
public:
// nsITabParent
NS_DECL_NSITABPARENT
TabParent(ContentParent* aManager, const TabContext& aContext, uint32_t aChromeFlags);
virtual ~TabParent();
Element* GetOwnerElement() const { return mFrameElement; }
void SetOwnerElement(Element* aElement);
/**
* Get the mozapptype attribute from this TabParent's owner DOM element.
*/
void GetAppType(nsAString& aOut);
/**
* Returns true iff this TabParent's nsIFrameLoader is visible.
*
* The frameloader's visibility can be independent of e.g. its docshell's
* visibility.
*/
bool IsVisible();
nsIBrowserDOMWindow *GetBrowserDOMWindow() { return mBrowserDOMWindow; }
void SetBrowserDOMWindow(nsIBrowserDOMWindow* aBrowserDOMWindow) {
mBrowserDOMWindow = aBrowserDOMWindow;
}
already_AddRefed<nsILoadContext> GetLoadContext();
nsIXULBrowserWindow* GetXULBrowserWindow();
/**
* Return the TabParent that has decided it wants to capture an
* event series for fast-path dispatch to its subprocess, if one
* has.
*
* DOM event dispatch and widget are free to ignore capture
* requests from TabParents; the end result wrt remote content is
* (must be) always the same, albeit usually slower without
* subprocess capturing. This allows frontends/widget backends to
* "opt in" to faster cross-process dispatch.
*/
static TabParent* GetEventCapturer();
/**
* If this is the current event capturer, give this a chance to
* capture the event. If it was captured, return true, false
* otherwise. Un-captured events should follow normal DOM
* dispatch; captured events should result in no further
* processing from the caller of TryCapture().
*
* It's an error to call TryCapture() if this isn't the event
* capturer.
*/
bool TryCapture(const WidgetGUIEvent& aEvent);
void Destroy();
virtual bool RecvMoveFocus(const bool& aForward) MOZ_OVERRIDE;
virtual bool RecvEvent(const RemoteDOMEvent& aEvent) MOZ_OVERRIDE;
virtual bool RecvPRenderFrameConstructor(PRenderFrameParent* actor) MOZ_OVERRIDE;
virtual bool RecvInitRenderFrame(PRenderFrameParent* aFrame,
ScrollingBehavior* scrolling,
TextureFactoryIdentifier* identifier,
uint64_t* layersId,
bool *aSuccess) MOZ_OVERRIDE;
virtual bool RecvBrowserFrameOpenWindow(PBrowserParent* aOpener,
const nsString& aURL,
const nsString& aName,
const nsString& aFeatures,
bool* aOutWindowOpened) MOZ_OVERRIDE;
virtual bool AnswerCreateWindow(PBrowserParent** retval) MOZ_OVERRIDE;
virtual bool RecvSyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
const InfallibleTArray<CpowEntry>& aCpows,
const IPC::Principal& aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal) MOZ_OVERRIDE;
virtual bool AnswerRpcMessage(const nsString& aMessage,
const ClonedMessageData& aData,
const InfallibleTArray<CpowEntry>& aCpows,
const IPC::Principal& aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal) MOZ_OVERRIDE;
virtual bool RecvAsyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
const InfallibleTArray<CpowEntry>& aCpows,
const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
virtual bool RecvNotifyIMEFocus(const bool& aFocus,
nsIMEUpdatePreference* aPreference,
uint32_t* aSeqno) MOZ_OVERRIDE;
virtual bool RecvNotifyIMETextChange(const uint32_t& aStart,
const uint32_t& aEnd,
const uint32_t& aNewEnd,
const bool& aCausedByComposition) MOZ_OVERRIDE;
virtual bool RecvNotifyIMESelectedCompositionRect(const uint32_t& aOffset,
const nsIntRect& aRect,
const nsIntRect& aCaretRect) MOZ_OVERRIDE;
virtual bool RecvNotifyIMESelection(const uint32_t& aSeqno,
const uint32_t& aAnchor,
const uint32_t& aFocus,
const bool& aCausedByComposition) MOZ_OVERRIDE;
virtual bool RecvNotifyIMETextHint(const nsString& aText) MOZ_OVERRIDE;
virtual bool RecvEndIMEComposition(const bool& aCancel,
nsString* aComposition) MOZ_OVERRIDE;
virtual bool RecvGetInputContext(int32_t* aIMEEnabled,
int32_t* aIMEOpen,
intptr_t* aNativeIMEContext) MOZ_OVERRIDE;
virtual bool RecvSetInputContext(const int32_t& aIMEEnabled,
const int32_t& aIMEOpen,
const nsString& aType,
const nsString& aInputmode,
const nsString& aActionHint,
const int32_t& aCause,
const int32_t& aFocusChange) MOZ_OVERRIDE;
virtual bool RecvRequestFocus(const bool& aCanRaise) MOZ_OVERRIDE;
virtual bool RecvSetCursor(const uint32_t& aValue) MOZ_OVERRIDE;
virtual bool RecvSetBackgroundColor(const nscolor& aValue) MOZ_OVERRIDE;
virtual bool RecvSetStatus(const uint32_t& aType, const nsString& aStatus) MOZ_OVERRIDE;
virtual bool RecvShowTooltip(const uint32_t& aX, const uint32_t& aY, const nsString& aTooltip);
virtual bool RecvHideTooltip();
virtual bool RecvGetDPI(float* aValue) MOZ_OVERRIDE;
virtual bool RecvGetDefaultScale(double* aValue) MOZ_OVERRIDE;
virtual bool RecvGetWidgetNativeData(WindowsHandle* aValue) MOZ_OVERRIDE;
virtual bool RecvZoomToRect(const uint32_t& aPresShellId,
const ViewID& aViewId,
const CSSRect& aRect) MOZ_OVERRIDE;
virtual bool RecvUpdateZoomConstraints(const uint32_t& aPresShellId,
const ViewID& aViewId,
const bool& aIsRoot,
const ZoomConstraints& aConstraints) MOZ_OVERRIDE;
virtual bool RecvContentReceivedTouch(const ScrollableLayerGuid& aGuid,
const bool& aPreventDefault) MOZ_OVERRIDE;
virtual PColorPickerParent*
AllocPColorPickerParent(const nsString& aTitle, const nsString& aInitialColor) MOZ_OVERRIDE;
virtual bool DeallocPColorPickerParent(PColorPickerParent* aColorPicker) MOZ_OVERRIDE;
virtual PContentDialogParent*
AllocPContentDialogParent(const uint32_t& aType,
const nsCString& aName,
const nsCString& aFeatures,
const InfallibleTArray<int>& aIntParams,
const InfallibleTArray<nsString>& aStringParams) MOZ_OVERRIDE;
virtual bool DeallocPContentDialogParent(PContentDialogParent* aDialog) MOZ_OVERRIDE
{
delete aDialog;
return true;
}
void LoadURL(nsIURI* aURI);
// XXX/cjones: it's not clear what we gain by hiding these
// message-sending functions under a layer of indirection and
// eating the return values
void Show(const nsIntSize& size);
void UpdateDimensions(const nsRect& rect, const nsIntSize& size);
void UpdateFrame(const layers::FrameMetrics& aFrameMetrics);
void AcknowledgeScrollUpdate(const ViewID& aScrollId, const uint32_t& aScrollGeneration);
void HandleDoubleTap(const CSSIntPoint& aPoint,
int32_t aModifiers,
const ScrollableLayerGuid& aGuid);
void HandleSingleTap(const CSSIntPoint& aPoint,
int32_t aModifiers,
const ScrollableLayerGuid& aGuid);
void HandleLongTap(const CSSIntPoint& aPoint,
int32_t aModifiers,
const ScrollableLayerGuid& aGuid);
void HandleLongTapUp(const CSSIntPoint& aPoint,
int32_t aModifiers,
const ScrollableLayerGuid& aGuid);
void NotifyTransformBegin(ViewID aViewId);
void NotifyTransformEnd(ViewID aViewId);
void Activate();
void Deactivate();
bool MapEventCoordinatesForChildProcess(mozilla::WidgetEvent* aEvent);
void MapEventCoordinatesForChildProcess(const LayoutDeviceIntPoint& aOffset,
mozilla::WidgetEvent* aEvent);
void SendMouseEvent(const nsAString& aType, float aX, float aY,
int32_t aButton, int32_t aClickCount,
int32_t aModifiers, bool aIgnoreRootScrollFrame);
void SendKeyEvent(const nsAString& aType, int32_t aKeyCode,
int32_t aCharCode, int32_t aModifiers,
bool aPreventDefault);
bool SendRealMouseEvent(mozilla::WidgetMouseEvent& event);
bool SendMouseWheelEvent(mozilla::WidgetWheelEvent& event);
bool SendRealKeyEvent(mozilla::WidgetKeyboardEvent& event);
bool SendRealTouchEvent(WidgetTouchEvent& event);
bool SendHandleSingleTap(const CSSIntPoint& aPoint, const ScrollableLayerGuid& aGuid);
bool SendHandleLongTap(const CSSIntPoint& aPoint, const ScrollableLayerGuid& aGuid);
bool SendHandleLongTapUp(const CSSIntPoint& aPoint, const ScrollableLayerGuid& aGuid);
bool SendHandleDoubleTap(const CSSIntPoint& aPoint, const ScrollableLayerGuid& aGuid);
virtual PDocumentRendererParent*
AllocPDocumentRendererParent(const nsRect& documentRect,
const gfx::Matrix& transform,
const nsString& bgcolor,
const uint32_t& renderFlags,
const bool& flushLayout,
const nsIntSize& renderSize) MOZ_OVERRIDE;
virtual bool DeallocPDocumentRendererParent(PDocumentRendererParent* actor) MOZ_OVERRIDE;
virtual PContentPermissionRequestParent*
AllocPContentPermissionRequestParent(const InfallibleTArray<PermissionRequest>& aRequests,
const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
virtual bool
DeallocPContentPermissionRequestParent(PContentPermissionRequestParent* actor) MOZ_OVERRIDE;
virtual PFilePickerParent*
AllocPFilePickerParent(const nsString& aTitle,
const int16_t& aMode) MOZ_OVERRIDE;
virtual bool DeallocPFilePickerParent(PFilePickerParent* actor) MOZ_OVERRIDE;
virtual POfflineCacheUpdateParent*
AllocPOfflineCacheUpdateParent(const URIParams& aManifestURI,
const URIParams& aDocumentURI,
const bool& aStickDocument) MOZ_OVERRIDE;
virtual bool
RecvPOfflineCacheUpdateConstructor(POfflineCacheUpdateParent* aActor,
const URIParams& aManifestURI,
const URIParams& aDocumentURI,
const bool& stickDocument) MOZ_OVERRIDE;
virtual bool
DeallocPOfflineCacheUpdateParent(POfflineCacheUpdateParent* aActor) MOZ_OVERRIDE;
virtual bool RecvSetOfflinePermission(const IPC::Principal& principal) MOZ_OVERRIDE;
bool GetGlobalJSObject(JSContext* cx, JSObject** globalp);
NS_DECL_ISUPPORTS
NS_DECL_NSIAUTHPROMPTPROVIDER
NS_DECL_NSISECUREBROWSERUI
void HandleDelayedDialogs();
static TabParent *GetIMETabParent() { return mIMETabParent; }
bool HandleQueryContentEvent(mozilla::WidgetQueryContentEvent& aEvent);
bool SendCompositionEvent(mozilla::WidgetCompositionEvent& event);
bool SendTextEvent(mozilla::WidgetTextEvent& event);
bool SendSelectionEvent(mozilla::WidgetSelectionEvent& event);
static TabParent* GetFrom(nsFrameLoader* aFrameLoader);
static TabParent* GetFrom(nsIContent* aContent);
ContentParent* Manager() { return mManager; }
/**
* Let managees query if Destroy() is already called so they don't send out
* messages when the PBrowser actor is being destroyed.
*/
bool IsDestroyed() const { return mIsDestroyed; }
protected:
bool ReceiveMessage(const nsString& aMessage,
bool aSync,
const StructuredCloneData* aCloneData,
CpowHolder* aCpows,
nsIPrincipal* aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal = nullptr);
virtual bool Recv__delete__() MOZ_OVERRIDE;
virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
virtual PIndexedDBParent* AllocPIndexedDBParent(
const nsCString& aGroup,
const nsCString& aASCIIOrigin,
bool* /* aAllowed */) MOZ_OVERRIDE;
virtual bool DeallocPIndexedDBParent(PIndexedDBParent* aActor) MOZ_OVERRIDE;
virtual bool
RecvPIndexedDBConstructor(PIndexedDBParent* aActor,
const nsCString& aGroup,
const nsCString& aASCIIOrigin,
bool* aAllowed) MOZ_OVERRIDE;
Element* mFrameElement;
nsCOMPtr<nsIBrowserDOMWindow> mBrowserDOMWindow;
struct DelayedDialogData
{
DelayedDialogData(PContentDialogParent* aDialog, uint32_t aType,
const nsCString& aName,
const nsCString& aFeatures,
nsIDialogParamBlock* aParams)
: mDialog(aDialog), mType(aType), mName(aName), mFeatures(aFeatures),
mParams(aParams) {}
PContentDialogParent* mDialog;
uint32_t mType;
nsCString mName;
nsCString mFeatures;
nsCOMPtr<nsIDialogParamBlock> mParams;
};
InfallibleTArray<DelayedDialogData*> mDelayedDialogs;
bool ShouldDelayDialogs();
bool AllowContentIME();
nsIntPoint GetChildProcessOffset();
virtual PRenderFrameParent* AllocPRenderFrameParent() MOZ_OVERRIDE;
virtual bool DeallocPRenderFrameParent(PRenderFrameParent* aFrame) MOZ_OVERRIDE;
// IME
static TabParent *mIMETabParent;
nsString mIMECacheText;
uint32_t mIMESelectionAnchor;
uint32_t mIMESelectionFocus;
bool mIMEComposing;
bool mIMECompositionEnding;
// Buffer to store composition text during ResetInputState
// Compositions in almost all cases are small enough for nsAutoString
nsAutoString mIMECompositionText;
uint32_t mIMECompositionStart;
uint32_t mIMESeqno;
uint32_t mIMECompositionRectOffset;
nsIntRect mIMECompositionRect;
nsIntRect mIMECaretRect;
// The number of event series we're currently capturing.
int32_t mEventCaptureDepth;
nsRect mRect;
nsIntSize mDimensions;
ScreenOrientation mOrientation;
float mDPI;
CSSToLayoutDeviceScale mDefaultScale;
bool mShown;
bool mUpdatedDimensions;
private:
already_AddRefed<nsFrameLoader> GetFrameLoader() const;
already_AddRefed<nsIWidget> GetWidget() const;
layout::RenderFrameParent* GetRenderFrame();
nsRefPtr<ContentParent> mManager;
void TryCacheDPIAndScale();
CSSIntPoint AdjustTapToChildWidget(const CSSIntPoint& aPoint);
// When true, we create a pan/zoom controller for our frame and
// notify it of input events targeting us.
bool UseAsyncPanZoom();
// If we have a render frame currently, notify it that we're about
// to dispatch |aEvent| to our child. If there's a relevant
// transform in place, |aOutEvent| is the transformed |aEvent| to
// dispatch to content. |aOutTargetGuid| will contain the identifier
// of the APZC instance that handled the event. aOutTargetGuid may be
// null but aOutEvent must not be.
void MaybeForwardEventToRenderFrame(const WidgetInputEvent& aEvent,
ScrollableLayerGuid* aOutTargetGuid,
WidgetInputEvent* aOutEvent);
// The offset for the child process which is sampled at touch start. This
// means that the touch events are relative to where the frame was at the
// start of the touch. We need to look for a better solution to this
// problem see bug 872911.
LayoutDeviceIntPoint mChildProcessOffsetAtTouchStart;
// When true, we've initiated normal shutdown and notified our
// managing PContent.
bool mMarkedDestroying;
// When true, the TabParent is invalid and we should not send IPC messages
// anymore.
bool mIsDestroyed;
// Whether we have already sent a FileDescriptor for the app package.
bool mAppPackageFileDescriptorSent;
uint32_t mChromeFlags;
nsCOMPtr<nsILoadContext> mLoadContext;
};
} // namespace dom
} // namespace mozilla
#endif
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