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gecko-dev/xpfe/appshell/AppWindow.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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_AppWindow_h__
#define mozilla_AppWindow_h__
// Local Includes
#include "nsChromeTreeOwner.h"
#include "nsContentTreeOwner.h"
// Helper classes
#include "nsCOMPtr.h"
#include "nsTArray.h"
#include "nsString.h"
#include "nsWeakReference.h"
#include "nsCOMArray.h"
#include "nsDocShell.h"
#include "nsRect.h"
#include "Units.h"
#include "mozilla/Mutex.h"
// Interfaces needed
#include "nsIBaseWindow.h"
#include "nsIDocShellTreeItem.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIAppWindow.h"
#include "nsIPrompt.h"
#include "nsIAuthPrompt.h"
#include "nsIXULBrowserWindow.h"
#include "nsIWidgetListener.h"
#include "nsIRemoteTab.h"
#include "nsIWebProgressListener.h"
#include "nsITimer.h"
#ifndef MOZ_NEW_XULSTORE
# include "nsIXULStore.h"
#endif
namespace mozilla {
namespace dom {
class Element;
} // namespace dom
} // namespace mozilla
class nsAtom;
class nsXULTooltipListener;
struct nsWidgetInitData;
namespace mozilla {
class PresShell;
class AppWindowTimerCallback;
} // namespace mozilla
// AppWindow
#define NS_APPWINDOW_IMPL_CID \
{ /* 8eaec2f3-ed02-4be2-8e0f-342798477298 */ \
0x8eaec2f3, 0xed02, 0x4be2, { \
0x8e, 0x0f, 0x34, 0x27, 0x98, 0x47, 0x72, 0x98 \
} \
}
class nsContentShellInfo;
namespace mozilla {
class AppWindow final : public nsIBaseWindow,
public nsIInterfaceRequestor,
public nsIAppWindow,
public nsSupportsWeakReference,
public nsIWebProgressListener {
friend class ::nsChromeTreeOwner;
friend class ::nsContentTreeOwner;
public:
// The implementation of non-refcounted nsIWidgetListener, which would hold a
// strong reference on stack before calling AppWindow's
// MOZ_CAN_RUN_SCRIPT methods.
class WidgetListenerDelegate : public nsIWidgetListener {
public:
explicit WidgetListenerDelegate(AppWindow* aAppWindow)
: mAppWindow(aAppWindow) {}
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual nsIAppWindow* GetAppWindow() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual mozilla::PresShell* GetPresShell() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual bool WindowMoved(nsIWidget* aWidget, int32_t x, int32_t y) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual bool WindowResized(nsIWidget* aWidget, int32_t aWidth,
int32_t aHeight) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual bool RequestWindowClose(nsIWidget* aWidget) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void SizeModeChanged(nsSizeMode sizeMode) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void UIResolutionChanged() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void FullscreenWillChange(bool aInFullscreen) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void FullscreenChanged(bool aInFullscreen) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void OcclusionStateChanged(bool aIsFullyOccluded) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void OSToolbarButtonPressed() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual bool ZLevelChanged(bool aImmediate, nsWindowZ* aPlacement,
nsIWidget* aRequestBelow,
nsIWidget** aActualBelow) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void WindowActivated() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
virtual void WindowDeactivated() override;
private:
// The lifetime of WidgetListenerDelegate is bound to AppWindow so
// we just use a raw pointer here.
AppWindow* mAppWindow;
};
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSIAPPWINDOW
NS_DECL_NSIBASEWINDOW
NS_DECLARE_STATIC_IID_ACCESSOR(NS_APPWINDOW_IMPL_CID)
void LockUntilChromeLoad() { mLockedUntilChromeLoad = true; }
bool IsLocked() const { return mLockedUntilChromeLoad; }
void IgnoreXULSizeMode(bool aEnable) { mIgnoreXULSizeMode = aEnable; }
void WasRegistered() { mRegistered = true; }
// AppWindow methods...
nsresult Initialize(nsIAppWindow* aParent, nsIAppWindow* aOpener,
int32_t aInitialWidth, int32_t aInitialHeight,
bool aIsHiddenWindow, nsWidgetInitData& widgetInitData);
nsDocShell* GetDocShell() { return mDocShell; }
nsresult Toolbar();
// nsIWebProgressListener
NS_DECL_NSIWEBPROGRESSLISTENER
// nsIWidgetListener methods for WidgetListenerDelegate.
nsIAppWindow* GetAppWindow() { return this; }
mozilla::PresShell* GetPresShell();
MOZ_CAN_RUN_SCRIPT
bool WindowMoved(nsIWidget* aWidget, int32_t aX, int32_t aY);
MOZ_CAN_RUN_SCRIPT
bool WindowResized(nsIWidget* aWidget, int32_t aWidth, int32_t aHeight);
MOZ_CAN_RUN_SCRIPT bool RequestWindowClose(nsIWidget* aWidget);
MOZ_CAN_RUN_SCRIPT void SizeModeChanged(nsSizeMode aSizeMode);
MOZ_CAN_RUN_SCRIPT void UIResolutionChanged();
MOZ_CAN_RUN_SCRIPT void FullscreenWillChange(bool aInFullscreen);
MOZ_CAN_RUN_SCRIPT void FullscreenChanged(bool aInFullscreen);
MOZ_CAN_RUN_SCRIPT void OcclusionStateChanged(bool aIsFullyOccluded);
MOZ_CAN_RUN_SCRIPT void OSToolbarButtonPressed();
MOZ_CAN_RUN_SCRIPT
bool ZLevelChanged(bool aImmediate, nsWindowZ* aPlacement,
nsIWidget* aRequestBelow, nsIWidget** aActualBelow);
MOZ_CAN_RUN_SCRIPT void WindowActivated();
MOZ_CAN_RUN_SCRIPT void WindowDeactivated();
explicit AppWindow(uint32_t aChromeFlags);
protected:
enum persistentAttributes {
PAD_MISC = 0x1,
PAD_POSITION = 0x2,
PAD_SIZE = 0x4
};
virtual ~AppWindow();
friend class mozilla::AppWindowTimerCallback;
bool ExecuteCloseHandler();
void ConstrainToOpenerScreen(int32_t* aX, int32_t* aY);
void SetPersistenceTimer(uint32_t aDirtyFlags);
void FirePersistenceTimer();
NS_IMETHOD EnsureChromeTreeOwner();
NS_IMETHOD EnsureContentTreeOwner();
NS_IMETHOD EnsurePrimaryContentTreeOwner();
NS_IMETHOD EnsurePrompter();
NS_IMETHOD EnsureAuthPrompter();
NS_IMETHOD ForceRoundedDimensions();
NS_IMETHOD GetAvailScreenSize(int32_t* aAvailWidth, int32_t* aAvailHeight);
void FinishFullscreenChange(bool aInFullscreen);
void ApplyChromeFlags();
MOZ_CAN_RUN_SCRIPT_BOUNDARY void SizeShell();
void OnChromeLoaded();
void StaggerPosition(int32_t& aRequestedX, int32_t& aRequestedY,
int32_t aSpecWidth, int32_t aSpecHeight);
bool LoadPositionFromXUL(int32_t aSpecWidth, int32_t aSpecHeight);
bool LoadSizeFromXUL(int32_t& aSpecWidth, int32_t& aSpecHeight);
void SetSpecifiedSize(int32_t aSpecWidth, int32_t aSpecHeight);
bool UpdateWindowStateFromMiscXULAttributes();
void SyncAttributesToWidget();
NS_IMETHOD SavePersistentAttributes();
bool NeedsTooltipListener();
void AddTooltipSupport();
void RemoveTooltipSupport();
NS_IMETHOD GetWindowDOMWindow(mozIDOMWindowProxy** aDOMWindow);
dom::Element* GetWindowDOMElement() const;
// See nsIDocShellTreeOwner for docs on next two methods
nsresult ContentShellAdded(nsIDocShellTreeItem* aContentShell, bool aPrimary);
nsresult ContentShellRemoved(nsIDocShellTreeItem* aContentShell);
NS_IMETHOD GetPrimaryContentSize(int32_t* aWidth, int32_t* aHeight);
NS_IMETHOD SetPrimaryContentSize(int32_t aWidth, int32_t aHeight);
nsresult GetRootShellSize(int32_t* aWidth, int32_t* aHeight);
nsresult SetRootShellSize(int32_t aWidth, int32_t aHeight);
NS_IMETHOD SizeShellTo(nsIDocShellTreeItem* aShellItem, int32_t aCX,
int32_t aCY);
NS_IMETHOD ExitModalLoop(nsresult aStatus);
NS_IMETHOD CreateNewChromeWindow(int32_t aChromeFlags,
nsIAppWindow** _retval);
NS_IMETHOD CreateNewContentWindow(int32_t aChromeFlags,
nsIOpenWindowInfo* aOpenWindowInfo,
nsIAppWindow** _retval);
NS_IMETHOD GetHasPrimaryContent(bool* aResult);
void EnableParent(bool aEnable);
bool ConstrainToZLevel(bool aImmediate, nsWindowZ* aPlacement,
nsIWidget* aReqBelow, nsIWidget** aActualBelow);
void PlaceWindowLayersBehind(uint32_t aLowLevel, uint32_t aHighLevel,
nsIAppWindow* aBehind);
void SetContentScrollbarVisibility(bool aVisible);
void PersistentAttributesDirty(uint32_t aDirtyFlags);
nsresult GetTabCount(uint32_t* aResult);
void LoadPersistentWindowState();
nsresult GetPersistentValue(const nsAtom* aAttr, nsAString& aValue);
nsresult SetPersistentValue(const nsAtom* aAttr, const nsAString& aValue);
// Enum for the current state of a fullscreen change.
//
// It is used to ensure that fullscreen change is issued after both
// the window state change and the window size change at best effort.
// This is needed because some platforms can't guarantee the order
// between such two events.
//
// It's changed in the following way:
// +---------------------------+--------------------------------------+
// | | |
// | v |
// | NotChanging |
// | + |
// | | FullscreenWillChange |
// | v |
// | +-----------+ WillChange +------------------+ |
// | | WindowResized FullscreenChanged | |
// | v v |
// | WidgetResized WidgetEnteredFullscreen |
// | + or WidgetExitedFullscreen |
// | | FullscreenChanged + |
// | v WindowResized or | |
// +--------+ delayed dispatch | |
// v |
// +-------------+
//
// The delayed dispatch serves as timeout, which is necessary because it's
// not even guaranteed that the widget will be resized at all.
enum class FullscreenChangeState : uint8_t {
// No current fullscreen change. Any previous change has finished.
NotChanging,
// Indicate there is going to be a fullscreen change.
WillChange,
// The widget has been resized since WillChange.
WidgetResized,
// The widget has entered fullscreen state since WillChange.
WidgetEnteredFullscreen,
// The widget has exited fullscreen state since WillChange.
WidgetExitedFullscreen,
};
nsChromeTreeOwner* mChromeTreeOwner;
nsContentTreeOwner* mContentTreeOwner;
nsContentTreeOwner* mPrimaryContentTreeOwner;
nsCOMPtr<nsIWidget> mWindow;
RefPtr<nsDocShell> mDocShell;
nsCOMPtr<nsPIDOMWindowOuter> mDOMWindow;
nsWeakPtr mParentWindow;
nsCOMPtr<nsIPrompt> mPrompter;
nsCOMPtr<nsIAuthPrompt> mAuthPrompter;
nsCOMPtr<nsIXULBrowserWindow> mXULBrowserWindow;
nsCOMPtr<nsIDocShellTreeItem> mPrimaryContentShell;
nsresult mModalStatus;
FullscreenChangeState mFullscreenChangeState;
bool mContinueModalLoop;
bool mDebuting; // being made visible right now
bool mChromeLoaded; // True when chrome has loaded
bool mSizingShellFromXUL; // true when in SizeShell()
bool mShowAfterLoad;
bool mIntrinsicallySized;
bool mCenterAfterLoad;
bool mIsHiddenWindow;
bool mLockedUntilChromeLoad;
bool mIgnoreXULSize;
bool mIgnoreXULPosition;
bool mChromeFlagsFrozen;
bool mIgnoreXULSizeMode;
// mDestroying is used to prevent reentry into into Destroy(), which can
// otherwise happen due to script running as we tear down various things.
bool mDestroying;
bool mRegistered;
uint32_t mPersistentAttributesDirty; // persistentAttributes
uint32_t mPersistentAttributesMask;
uint32_t mChromeFlags;
nsCOMPtr<nsIOpenWindowInfo> mInitialOpenWindowInfo;
nsString mTitle;
nsIntRect mOpenerScreenRect; // the screen rect of the opener
nsCOMPtr<nsIRemoteTab> mPrimaryBrowserParent;
nsCOMPtr<nsITimer> mSPTimer;
mozilla::Mutex mSPTimerLock;
WidgetListenerDelegate mWidgetListenerDelegate;
private:
// GetPrimaryBrowserParentSize is called from xpidl methods and we don't have
// a good way to annotate those with MOZ_CAN_RUN_SCRIPT yet. It takes no
// refcounted args other than "this", and the "this" uses seem ok.
MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult
GetPrimaryRemoteTabSize(int32_t* aWidth, int32_t* aHeight);
nsresult GetPrimaryContentShellSize(int32_t* aWidth, int32_t* aHeight);
nsresult SetPrimaryRemoteTabSize(int32_t aWidth, int32_t aHeight);
#ifndef MOZ_NEW_XULSTORE
nsCOMPtr<nsIXULStore> mLocalStore;
#endif
};
NS_DEFINE_STATIC_IID_ACCESSOR(AppWindow, NS_APPWINDOW_IMPL_CID)
} // namespace mozilla
#endif /* mozilla_AppWindow_h__ */
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