/* -*- 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/Maybe.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" #include "nsIXULStore.h" class nsAtom; class nsXULTooltipListener; namespace mozilla { class PresShell; class AppWindowTimerCallback; class L10nReadyPromiseHandler; namespace dom { class Element; } // namespace dom namespace widget { struct InitData; } // namespace widget } // 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, ByMoveToRect) 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 MacFullscreenMenubarOverlapChanged( mozilla::DesktopCoord aOverlapAmount) 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; } using nsIBaseWindow::GetPositionAndSize; using nsIBaseWindow::GetSize; // AppWindow methods... nsresult Initialize(nsIAppWindow* aParent, nsIAppWindow* aOpener, int32_t aInitialWidth, int32_t aInitialHeight, bool aIsHiddenWindow, widget::InitData& 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 MacFullscreenMenubarOverlapChanged( mozilla::DesktopCoord aOverlapAmount); MOZ_CAN_RUN_SCRIPT void OcclusionStateChanged(bool aIsFullyOccluded); void RecomputeBrowsingContextVisibility(); 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 class PersistentAttribute : uint8_t { Position, Size, Misc, }; using PersistentAttributes = EnumSet; static PersistentAttributes AllPersistentAttributes() { return {PersistentAttribute::Position, PersistentAttribute::Size, PersistentAttribute::Misc}; } virtual ~AppWindow(); friend class mozilla::AppWindowTimerCallback; MOZ_CAN_RUN_SCRIPT 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(); void SavePersistentAttributes(PersistentAttributes); void MaybeSavePersistentPositionAndSize(PersistentAttributes, dom::Element& aRootElement, const nsAString& aPersistString, bool aShouldPersist); void MaybeSavePersistentMiscAttributes(PersistentAttributes, dom::Element& aRootElement, const nsAString& aPersistString, bool aShouldPersist); void SavePersistentAttributes() { SavePersistentAttributes(mPersistentAttributesDirty); } 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); enum PersistentAttributeUpdate { Sync, Async }; void PersistentAttributesDirty(PersistentAttributes, PersistentAttributeUpdate); nsresult GetTabCount(uint32_t* aResult); void LoadPersistentWindowState(); nsresult GetPersistentValue(const nsAtom* aAttr, nsAString& aValue); nsresult SetPersistentValue(const nsAtom* aAttr, const nsAString& aValue); // Saves window size and positioning values in order to display a very early // skeleton UI. This has to happen before we can reasonably initialize the // xulstore (i.e., before even loading libxul), so they have to use a special // purpose store to do so. nsresult MaybeSaveEarlyWindowPersistentValues( const LayoutDeviceIntRect& aRect); // Gets the uri spec and the window element ID for this window. nsresult GetDocXulStoreKeys(nsString& aUriSpec, nsString& aWindowElementId); // 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 mWindow; RefPtr mDocShell; nsCOMPtr mDOMWindow; nsWeakPtr mParentWindow; nsCOMPtr mPrompter; nsCOMPtr mAuthPrompter; nsCOMPtr mXULBrowserWindow; nsCOMPtr 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; // Indicator for whether the client size, instead of the window size, should // be maintained in case of a change in their relation. bool mDominantClientSize; PersistentAttributes mPersistentAttributesDirty; PersistentAttributes mPersistentAttributesMask; uint32_t mChromeFlags; nsCOMPtr mInitialOpenWindowInfo; nsString mTitle; // The screen rect of the opener. mozilla::DesktopIntRect mOpenerScreenRect; nsCOMPtr mPrimaryBrowserParent; nsCOMPtr mSPTimer; WidgetListenerDelegate mWidgetListenerDelegate; private: MOZ_CAN_RUN_SCRIPT void IntrinsicallySizeShell(const CSSIntSize& aWindowDiff, int32_t& aSpecWidth, int32_t& aSpecHeight); // 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); void SizeShellToWithLimit(int32_t aDesiredWidth, int32_t aDesiredHeight, int32_t shellItemWidth, int32_t shellItemHeight); nsresult MoveResize(const Maybe& aPosition, const Maybe& aSize, bool aRepaint); nsresult MoveResize(const Maybe& aPosition, const Maybe& aSize, bool aRepaint); nsCOMPtr mLocalStore; bool mIsWidgetInFullscreen = false; }; NS_DEFINE_STATIC_IID_ACCESSOR(AppWindow, NS_APPWINDOW_IMPL_CID) } // namespace mozilla #endif /* mozilla_AppWindow_h__ */