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https://github.com/mozilla/gecko-dev.git
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fa7b10106a
See bug for justification. This patch aims to display a blank window prior to loading/prefetching xul.dll. It also has a placeholder for drawing a skeleton UI into that window. Note that this is disabled by default based on a registry value, as there are still kinks to work out (for instance, what happens if we aren't actually going to display a window, because, say, Firefox is already running.) This just gives a basic implementation to dogfood, and facilitates distributing work across multiple contributors. Onto the details. The patch achieves its goal by creating a window and assigning its handle to a static variable, which will be consumed inside nsWindow::Create by the first toplevel window we want to make. nsWindow::Create will take ownership of the window handle, restyle it to its own liking, and then proceed as if everything is normal and it had created the window itself. Differential Revision: https://phabricator.services.mozilla.com/D86263
362 lines
14 KiB
C++
362 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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_AppWindow_h__
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#define mozilla_AppWindow_h__
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// Local Includes
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#include "nsChromeTreeOwner.h"
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#include "nsContentTreeOwner.h"
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// Helper classes
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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#include "nsString.h"
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#include "nsWeakReference.h"
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#include "nsCOMArray.h"
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#include "nsDocShell.h"
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#include "nsRect.h"
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#include "Units.h"
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#include "mozilla/Mutex.h"
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// Interfaces needed
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#include "nsIBaseWindow.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIAppWindow.h"
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#include "nsIPrompt.h"
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#include "nsIAuthPrompt.h"
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#include "nsIXULBrowserWindow.h"
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#include "nsIWidgetListener.h"
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#include "nsIRemoteTab.h"
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#include "nsIWebProgressListener.h"
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#include "nsITimer.h"
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#ifndef MOZ_NEW_XULSTORE
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# include "nsIXULStore.h"
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#endif
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namespace mozilla {
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namespace dom {
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class Element;
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} // namespace dom
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} // namespace mozilla
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class nsAtom;
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class nsXULTooltipListener;
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struct nsWidgetInitData;
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namespace mozilla {
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class PresShell;
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class AppWindowTimerCallback;
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} // namespace mozilla
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// AppWindow
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#define NS_APPWINDOW_IMPL_CID \
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{ /* 8eaec2f3-ed02-4be2-8e0f-342798477298 */ \
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0x8eaec2f3, 0xed02, 0x4be2, { \
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0x8e, 0x0f, 0x34, 0x27, 0x98, 0x47, 0x72, 0x98 \
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} \
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}
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class nsContentShellInfo;
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namespace mozilla {
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class AppWindow final : public nsIBaseWindow,
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public nsIInterfaceRequestor,
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public nsIAppWindow,
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public nsSupportsWeakReference,
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public nsIWebProgressListener {
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friend class ::nsChromeTreeOwner;
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friend class ::nsContentTreeOwner;
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public:
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// The implementation of non-refcounted nsIWidgetListener, which would hold a
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// strong reference on stack before calling AppWindow's
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// MOZ_CAN_RUN_SCRIPT methods.
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class WidgetListenerDelegate : public nsIWidgetListener {
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public:
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explicit WidgetListenerDelegate(AppWindow* aAppWindow)
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: mAppWindow(aAppWindow) {}
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual nsIAppWindow* GetAppWindow() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual mozilla::PresShell* GetPresShell() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool WindowMoved(nsIWidget* aWidget, int32_t x, int32_t y) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool WindowResized(nsIWidget* aWidget, int32_t aWidth,
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int32_t aHeight) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool RequestWindowClose(nsIWidget* aWidget) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void SizeModeChanged(nsSizeMode sizeMode) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void UIResolutionChanged() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void FullscreenWillChange(bool aInFullscreen) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void FullscreenChanged(bool aInFullscreen) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void OcclusionStateChanged(bool aIsFullyOccluded) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void OSToolbarButtonPressed() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool ZLevelChanged(bool aImmediate, nsWindowZ* aPlacement,
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nsIWidget* aRequestBelow,
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nsIWidget** aActualBelow) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void WindowActivated() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void WindowDeactivated() override;
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private:
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// The lifetime of WidgetListenerDelegate is bound to AppWindow so
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// we just use a raw pointer here.
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AppWindow* mAppWindow;
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};
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSIAPPWINDOW
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NS_DECL_NSIBASEWINDOW
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_APPWINDOW_IMPL_CID)
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void LockUntilChromeLoad() { mLockedUntilChromeLoad = true; }
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bool IsLocked() const { return mLockedUntilChromeLoad; }
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void IgnoreXULSizeMode(bool aEnable) { mIgnoreXULSizeMode = aEnable; }
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void WasRegistered() { mRegistered = true; }
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// AppWindow methods...
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nsresult Initialize(nsIAppWindow* aParent, nsIAppWindow* aOpener,
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int32_t aInitialWidth, int32_t aInitialHeight,
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bool aIsHiddenWindow, nsWidgetInitData& widgetInitData);
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nsDocShell* GetDocShell() { return mDocShell; }
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nsresult Toolbar();
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// nsIWebProgressListener
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NS_DECL_NSIWEBPROGRESSLISTENER
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// nsIWidgetListener methods for WidgetListenerDelegate.
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nsIAppWindow* GetAppWindow() { return this; }
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mozilla::PresShell* GetPresShell();
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MOZ_CAN_RUN_SCRIPT
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bool WindowMoved(nsIWidget* aWidget, int32_t aX, int32_t aY);
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MOZ_CAN_RUN_SCRIPT
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bool WindowResized(nsIWidget* aWidget, int32_t aWidth, int32_t aHeight);
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MOZ_CAN_RUN_SCRIPT bool RequestWindowClose(nsIWidget* aWidget);
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MOZ_CAN_RUN_SCRIPT void SizeModeChanged(nsSizeMode aSizeMode);
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MOZ_CAN_RUN_SCRIPT void UIResolutionChanged();
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MOZ_CAN_RUN_SCRIPT void FullscreenWillChange(bool aInFullscreen);
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MOZ_CAN_RUN_SCRIPT void FullscreenChanged(bool aInFullscreen);
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MOZ_CAN_RUN_SCRIPT void OcclusionStateChanged(bool aIsFullyOccluded);
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MOZ_CAN_RUN_SCRIPT void OSToolbarButtonPressed();
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MOZ_CAN_RUN_SCRIPT
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bool ZLevelChanged(bool aImmediate, nsWindowZ* aPlacement,
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nsIWidget* aRequestBelow, nsIWidget** aActualBelow);
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MOZ_CAN_RUN_SCRIPT void WindowActivated();
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MOZ_CAN_RUN_SCRIPT void WindowDeactivated();
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explicit AppWindow(uint32_t aChromeFlags);
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protected:
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enum persistentAttributes {
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PAD_MISC = 0x1,
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PAD_POSITION = 0x2,
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PAD_SIZE = 0x4
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};
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virtual ~AppWindow();
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friend class mozilla::AppWindowTimerCallback;
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bool ExecuteCloseHandler();
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void ConstrainToOpenerScreen(int32_t* aX, int32_t* aY);
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void SetPersistenceTimer(uint32_t aDirtyFlags);
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void FirePersistenceTimer();
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NS_IMETHOD EnsureChromeTreeOwner();
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NS_IMETHOD EnsureContentTreeOwner();
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NS_IMETHOD EnsurePrimaryContentTreeOwner();
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NS_IMETHOD EnsurePrompter();
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NS_IMETHOD EnsureAuthPrompter();
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NS_IMETHOD ForceRoundedDimensions();
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NS_IMETHOD GetAvailScreenSize(int32_t* aAvailWidth, int32_t* aAvailHeight);
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void FinishFullscreenChange(bool aInFullscreen);
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void ApplyChromeFlags();
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MOZ_CAN_RUN_SCRIPT_BOUNDARY void SizeShell();
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void OnChromeLoaded();
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void StaggerPosition(int32_t& aRequestedX, int32_t& aRequestedY,
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int32_t aSpecWidth, int32_t aSpecHeight);
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bool LoadPositionFromXUL(int32_t aSpecWidth, int32_t aSpecHeight);
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bool LoadSizeFromXUL(int32_t& aSpecWidth, int32_t& aSpecHeight);
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void SetSpecifiedSize(int32_t aSpecWidth, int32_t aSpecHeight);
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bool UpdateWindowStateFromMiscXULAttributes();
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void SyncAttributesToWidget();
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NS_IMETHOD SavePersistentAttributes();
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bool NeedsTooltipListener();
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void AddTooltipSupport();
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void RemoveTooltipSupport();
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NS_IMETHOD GetWindowDOMWindow(mozIDOMWindowProxy** aDOMWindow);
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dom::Element* GetWindowDOMElement() const;
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// See nsIDocShellTreeOwner for docs on next two methods
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nsresult ContentShellAdded(nsIDocShellTreeItem* aContentShell, bool aPrimary);
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nsresult ContentShellRemoved(nsIDocShellTreeItem* aContentShell);
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NS_IMETHOD GetPrimaryContentSize(int32_t* aWidth, int32_t* aHeight);
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NS_IMETHOD SetPrimaryContentSize(int32_t aWidth, int32_t aHeight);
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nsresult GetRootShellSize(int32_t* aWidth, int32_t* aHeight);
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nsresult SetRootShellSize(int32_t aWidth, int32_t aHeight);
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NS_IMETHOD SizeShellTo(nsIDocShellTreeItem* aShellItem, int32_t aCX,
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int32_t aCY);
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NS_IMETHOD ExitModalLoop(nsresult aStatus);
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NS_IMETHOD CreateNewChromeWindow(int32_t aChromeFlags,
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nsIAppWindow** _retval);
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NS_IMETHOD CreateNewContentWindow(int32_t aChromeFlags,
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nsIOpenWindowInfo* aOpenWindowInfo,
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nsIAppWindow** _retval);
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NS_IMETHOD GetHasPrimaryContent(bool* aResult);
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void EnableParent(bool aEnable);
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bool ConstrainToZLevel(bool aImmediate, nsWindowZ* aPlacement,
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nsIWidget* aReqBelow, nsIWidget** aActualBelow);
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void PlaceWindowLayersBehind(uint32_t aLowLevel, uint32_t aHighLevel,
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nsIAppWindow* aBehind);
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void SetContentScrollbarVisibility(bool aVisible);
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void PersistentAttributesDirty(uint32_t aDirtyFlags);
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nsresult GetTabCount(uint32_t* aResult);
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void LoadPersistentWindowState();
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nsresult GetPersistentValue(const nsAtom* aAttr, nsAString& aValue);
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nsresult SetPersistentValue(const nsAtom* aAttr, const nsAString& aValue);
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// Saves window size and positioning values in order to display a very early
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// skeleton UI. This has to happen before we can reasonably initialize the
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// xulstore (i.e., before even loading libxul), so they have to use a special
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// purpose store to do so.
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nsresult MaybeSaveEarlyWindowPersistentValues(
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const LayoutDeviceIntRect& aRect);
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// Gets the uri spec and the window element ID for this window.
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nsresult GetDocXulStoreKeys(nsString& aUriSpec, nsString& aWindowElementId);
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// Enum for the current state of a fullscreen change.
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//
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// It is used to ensure that fullscreen change is issued after both
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// the window state change and the window size change at best effort.
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// This is needed because some platforms can't guarantee the order
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// between such two events.
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//
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// It's changed in the following way:
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// +---------------------------+--------------------------------------+
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// | | |
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// | v |
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// | NotChanging |
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// | + |
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// | | FullscreenWillChange |
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// | v |
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// | +-----------+ WillChange +------------------+ |
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// | | WindowResized FullscreenChanged | |
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// | v v |
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// | WidgetResized WidgetEnteredFullscreen |
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// | + or WidgetExitedFullscreen |
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// | | FullscreenChanged + |
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// | v WindowResized or | |
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// +--------+ delayed dispatch | |
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// v |
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// +-------------+
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//
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// The delayed dispatch serves as timeout, which is necessary because it's
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// not even guaranteed that the widget will be resized at all.
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enum class FullscreenChangeState : uint8_t {
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// No current fullscreen change. Any previous change has finished.
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NotChanging,
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// Indicate there is going to be a fullscreen change.
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WillChange,
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// The widget has been resized since WillChange.
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WidgetResized,
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// The widget has entered fullscreen state since WillChange.
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WidgetEnteredFullscreen,
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// The widget has exited fullscreen state since WillChange.
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WidgetExitedFullscreen,
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};
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nsChromeTreeOwner* mChromeTreeOwner;
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nsContentTreeOwner* mContentTreeOwner;
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nsContentTreeOwner* mPrimaryContentTreeOwner;
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nsCOMPtr<nsIWidget> mWindow;
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RefPtr<nsDocShell> mDocShell;
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nsCOMPtr<nsPIDOMWindowOuter> mDOMWindow;
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nsWeakPtr mParentWindow;
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nsCOMPtr<nsIPrompt> mPrompter;
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nsCOMPtr<nsIAuthPrompt> mAuthPrompter;
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nsCOMPtr<nsIXULBrowserWindow> mXULBrowserWindow;
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nsCOMPtr<nsIDocShellTreeItem> mPrimaryContentShell;
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nsresult mModalStatus;
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FullscreenChangeState mFullscreenChangeState;
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bool mContinueModalLoop;
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bool mDebuting; // being made visible right now
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bool mChromeLoaded; // True when chrome has loaded
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bool mSizingShellFromXUL; // true when in SizeShell()
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bool mShowAfterLoad;
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bool mIntrinsicallySized;
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bool mCenterAfterLoad;
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bool mIsHiddenWindow;
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bool mLockedUntilChromeLoad;
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bool mIgnoreXULSize;
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bool mIgnoreXULPosition;
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bool mChromeFlagsFrozen;
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bool mIgnoreXULSizeMode;
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// mDestroying is used to prevent reentry into into Destroy(), which can
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// otherwise happen due to script running as we tear down various things.
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bool mDestroying;
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bool mRegistered;
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uint32_t mPersistentAttributesDirty; // persistentAttributes
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uint32_t mPersistentAttributesMask;
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uint32_t mChromeFlags;
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nsCOMPtr<nsIOpenWindowInfo> mInitialOpenWindowInfo;
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nsString mTitle;
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nsIntRect mOpenerScreenRect; // the screen rect of the opener
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nsCOMPtr<nsIRemoteTab> mPrimaryBrowserParent;
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nsCOMPtr<nsITimer> mSPTimer;
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mozilla::Mutex mSPTimerLock;
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WidgetListenerDelegate mWidgetListenerDelegate;
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private:
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// GetPrimaryBrowserParentSize is called from xpidl methods and we don't have
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// a good way to annotate those with MOZ_CAN_RUN_SCRIPT yet. It takes no
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// refcounted args other than "this", and the "this" uses seem ok.
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MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult
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GetPrimaryRemoteTabSize(int32_t* aWidth, int32_t* aHeight);
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nsresult GetPrimaryContentShellSize(int32_t* aWidth, int32_t* aHeight);
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nsresult SetPrimaryRemoteTabSize(int32_t aWidth, int32_t aHeight);
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#ifndef MOZ_NEW_XULSTORE
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nsCOMPtr<nsIXULStore> mLocalStore;
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#endif
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(AppWindow, NS_APPWINDOW_IMPL_CID)
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} // namespace mozilla
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#endif /* mozilla_AppWindow_h__ */
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