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https://gitlab.winehq.org/wine/wine-gecko.git
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55c123d4d6
The mFrameMetrics.mZoom was previously a "resolution-independent" zoom, which meant it had to always be multiplied by the CalculateIntrinsicScale() value to be useful. This patch converts it to a "resolution-dependent" zoom, and includes the intrinsic scale multiplier already. This means it needs to be updated if either the viewport or composition bounds (which determine the intrinsic scale) change, but there are only a few places where this happens and it makes the rest of the code cleaner.
349 lines
14 KiB
C++
349 lines
14 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 "base/basictypes.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/PBrowserParent.h"
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#include "mozilla/dom/PContentDialogParent.h"
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#include "mozilla/dom/TabContext.h"
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#include "mozilla/ipc/GeckoChildProcessHost.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 "nsIDialogParamBlock.h"
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#include "nsISecureBrowserUI.h"
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#include "nsITabParent.h"
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#include "nsWeakReference.h"
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#include "Units.h"
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struct gfxMatrix;
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struct JSContext;
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class JSObject;
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class mozIApplication;
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class nsFrameLoader;
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class nsIURI;
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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 Element;
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struct StructuredCloneData;
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class ContentDialogParent : public PContentDialogParent {};
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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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TabParent(ContentParent* aManager, const TabContext& aContext);
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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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/**
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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 nsGUIEvent& aEvent);
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void Destroy();
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virtual bool RecvMoveFocus(const bool& aForward);
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virtual bool RecvEvent(const RemoteDOMEvent& aEvent);
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virtual bool RecvPRenderFrameConstructor(PRenderFrameParent* actor,
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ScrollingBehavior* scrolling,
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TextureFactoryIdentifier* identifier,
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uint64_t* layersId);
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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);
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virtual bool AnswerCreateWindow(PBrowserParent** retval);
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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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InfallibleTArray<nsString>* aJSONRetVal);
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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 bool RecvNotifyIMEFocus(const bool& aFocus,
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nsIMEUpdatePreference* aPreference,
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uint32_t* aSeqno);
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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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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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virtual bool RecvNotifyIMETextHint(const nsString& aText);
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virtual bool RecvEndIMEComposition(const bool& aCancel,
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nsString* aComposition);
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virtual bool RecvGetInputContext(int32_t* aIMEEnabled,
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int32_t* aIMEOpen,
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intptr_t* aNativeIMEContext);
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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);
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virtual bool RecvSetCursor(const uint32_t& aValue);
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virtual bool RecvSetBackgroundColor(const nscolor& aValue);
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virtual bool RecvSetStatus(const uint32_t& aType, const nsString& aStatus);
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virtual bool RecvGetDPI(float* aValue);
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virtual bool RecvGetDefaultScale(double* aValue);
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virtual bool RecvGetWidgetNativeData(WindowsHandle* aValue);
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virtual bool RecvZoomToRect(const CSSRect& aRect);
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virtual bool RecvUpdateZoomConstraints(const bool& aAllowZoom,
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const CSSToScreenScale& aMinZoom,
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const CSSToScreenScale& aMaxZoom);
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virtual bool RecvUpdateScrollOffset(const uint32_t& aPresShellId, const ViewID& aViewId, const CSSIntPoint& aScrollOffset);
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virtual bool RecvContentReceivedTouch(const bool& aPreventDefault);
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virtual PContentDialogParent* AllocPContentDialogParent(const uint32_t& aType,
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const nsCString& aName,
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const nsCString& aFeatures,
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const InfallibleTArray<int>& aIntParams,
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const InfallibleTArray<nsString>& aStringParams);
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virtual bool DeallocPContentDialogParent(PContentDialogParent* aDialog)
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{
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delete aDialog;
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return true;
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}
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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 HandleDoubleTap(const CSSIntPoint& aPoint);
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void HandleSingleTap(const CSSIntPoint& aPoint);
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void HandleLongTap(const CSSIntPoint& aPoint);
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void Activate();
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void Deactivate();
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bool MapEventCoordinatesForChildProcess(nsEvent* aEvent);
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void MapEventCoordinatesForChildProcess(const LayoutDeviceIntPoint& aOffset,
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nsEvent* aEvent);
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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(nsMouseEvent& event);
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bool SendMouseWheelEvent(mozilla::widget::WheelEvent& event);
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bool SendRealKeyEvent(nsKeyEvent& event);
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bool SendRealTouchEvent(nsTouchEvent& event);
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virtual PDocumentRendererParent*
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AllocPDocumentRendererParent(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 DeallocPDocumentRendererParent(PDocumentRendererParent* actor);
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virtual PContentPermissionRequestParent*
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AllocPContentPermissionRequestParent(const nsCString& aType, const nsCString& aAccess, const IPC::Principal& aPrincipal);
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virtual bool DeallocPContentPermissionRequestParent(PContentPermissionRequestParent* actor);
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virtual POfflineCacheUpdateParent* AllocPOfflineCacheUpdateParent(
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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 DeallocPOfflineCacheUpdateParent(POfflineCacheUpdateParent* actor);
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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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void HandleDelayedDialogs();
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static TabParent *GetIMETabParent() { return mIMETabParent; }
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bool HandleQueryContentEvent(nsQueryContentEvent& aEvent);
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bool SendCompositionEvent(nsCompositionEvent& event);
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bool SendTextEvent(nsTextEvent& event);
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bool SendSelectionEvent(nsSelectionEvent& 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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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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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(const nsCString& aASCIIOrigin,
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bool* /* aAllowed */);
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virtual bool DeallocPIndexedDBParent(PIndexedDBParent* aActor);
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virtual bool
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RecvPIndexedDBConstructor(PIndexedDBParent* aActor,
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const nsCString& aASCIIOrigin,
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bool* aAllowed);
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Element* mFrameElement;
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nsCOMPtr<nsIBrowserDOMWindow> mBrowserDOMWindow;
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struct DelayedDialogData
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{
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DelayedDialogData(PContentDialogParent* aDialog, uint32_t aType,
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const nsCString& aName,
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const nsCString& aFeatures,
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nsIDialogParamBlock* aParams)
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: mDialog(aDialog), mType(aType), mName(aName), mFeatures(aFeatures),
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mParams(aParams) {}
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PContentDialogParent* mDialog;
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uint32_t mType;
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nsCString mName;
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nsCString mFeatures;
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nsCOMPtr<nsIDialogParamBlock> mParams;
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};
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InfallibleTArray<DelayedDialogData*> mDelayedDialogs;
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bool ShouldDelayDialogs();
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bool AllowContentIME();
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virtual PRenderFrameParent* AllocPRenderFrameParent(ScrollingBehavior* aScrolling,
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TextureFactoryIdentifier* aTextureFactoryIdentifier,
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uint64_t* aLayersId) 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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// 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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double 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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// 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, |aOutEvent| is the transformed |aEvent| to
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// dispatch to content.
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void MaybeForwardEventToRenderFrame(const nsInputEvent& aEvent,
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nsInputEvent* aOutEvent);
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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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};
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} // namespace dom
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} // namespace mozilla
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#endif
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