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| -rw-r--r-- | widget/cocoa/nsCocoaWindow.h | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/widget/cocoa/nsCocoaWindow.h b/widget/cocoa/nsCocoaWindow.h new file mode 100644 index 0000000000..5c57fcea55 --- /dev/null +++ b/widget/cocoa/nsCocoaWindow.h @@ -0,0 +1,493 @@ +/* -*- Mode: C++; tab-width: 4; 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 nsCocoaWindow_h_ +#define nsCocoaWindow_h_ + +#undef DARWIN + +#import <Cocoa/Cocoa.h> + +#include "mozilla/RefPtr.h" +#include "nsBaseWidget.h" +#include "nsPIWidgetCocoa.h" +#include "nsCocoaUtils.h" +#include "nsTouchBar.h" +#include <dlfcn.h> +#include <queue> + +class nsCocoaWindow; +class nsChildView; +class nsMenuBarX; +@class ChildView; + +namespace mozilla { +enum class NativeKeyBindingsType : uint8_t; +} // namespace mozilla + +typedef struct _nsCocoaWindowList { + _nsCocoaWindowList() : prev(nullptr), window(nullptr) {} + struct _nsCocoaWindowList* prev; + nsCocoaWindow* window; // Weak +} nsCocoaWindowList; + +// NSWindow subclass that is the base class for all of our own window classes. +// Among other things, this class handles the storage of those settings that +// need to be persisted across window destruction and reconstruction, i.e. when +// switching to and from fullscreen mode. +// We don't save shadow, transparency mode or background color because it's not +// worth the hassle - Gecko will reset them anyway as soon as the window is +// resized. +@interface BaseWindow : NSWindow { + // Data Storage + NSMutableDictionary* mState; + BOOL mDrawsIntoWindowFrame; + + // Invalidation disabling + BOOL mDisabledNeedsDisplay; + + NSTrackingArea* mTrackingArea; + + NSRect mDirtyRect; + + BOOL mBeingShown; + BOOL mDrawTitle; + BOOL mUseMenuStyle; + BOOL mIsAnimationSuppressed; + + nsTouchBar* mTouchBar; +} + +- (void)importState:(NSDictionary*)aState; +- (NSMutableDictionary*)exportState; +- (void)setDrawsContentsIntoWindowFrame:(BOOL)aState; +- (BOOL)drawsContentsIntoWindowFrame; + +// These two methods are like contentRectForFrameRect and frameRectForContentRect, +// but they deal with the rect of the window's "main ChildView" instead of the +// rect of the window's content view. The two are sometimes sized differently: The +// window's content view always covers the entire window, whereas the ChildView +// only covers the full window when drawsContentsIntoWindowFrame is YES. When +// drawsContentsIntoWindowFrame is NO, there's a titlebar-sized gap above the +// ChildView within the content view. +- (NSRect)childViewRectForFrameRect:(NSRect)aFrameRect; +- (NSRect)frameRectForChildViewRect:(NSRect)aChildViewRect; + +- (void)mouseEntered:(NSEvent*)aEvent; +- (void)mouseExited:(NSEvent*)aEvent; +- (void)mouseMoved:(NSEvent*)aEvent; +- (void)updateTrackingArea; +- (NSView*)trackingAreaView; + +- (void)setBeingShown:(BOOL)aValue; +- (BOOL)isBeingShown; +- (BOOL)isVisibleOrBeingShown; + +- (void)setIsAnimationSuppressed:(BOOL)aValue; +- (BOOL)isAnimationSuppressed; + +// Returns an autoreleased NSArray containing the NSViews that we consider the +// "contents" of this window. All views in the returned array are subviews of +// this window's content view. However, the array may not include all of the +// content view's subviews; concretely, the ToolbarWindow implementation will +// exclude its MOZTitlebarView from the array that is returned here. +// In the vast majority of cases, the array will only have a single element: +// this window's mainChildView. +- (NSArray<NSView*>*)contentViewContents; + +- (ChildView*)mainChildView; + +- (void)setWantsTitleDrawn:(BOOL)aDrawTitle; +- (BOOL)wantsTitleDrawn; + +- (void)disableSetNeedsDisplay; +- (void)enableSetNeedsDisplay; + +- (NSRect)getAndResetNativeDirtyRect; + +- (void)setUseMenuStyle:(BOOL)aValue; +@property(nonatomic) mozilla::StyleWindowShadow shadowStyle; + +- (void)releaseJSObjects; + +@end + +@interface NSWindow (Undocumented) + +// If a window has been explicitly removed from the "window cache" (to +// deactivate it), it's sometimes necessary to "reset" it to reactivate it +// (and put it back in the "window cache"). One way to do this, which Apple +// often uses, is to set the "window number" to '-1' and then back to its +// original value. +- (void)_setWindowNumber:(NSInteger)aNumber; + +- (BOOL)bottomCornerRounded; + +// Present in the same form on OS X since at least OS X 10.5. +- (NSRect)contentRectForFrameRect:(NSRect)windowFrame styleMask:(NSUInteger)windowStyle; +- (NSRect)frameRectForContentRect:(NSRect)windowContentRect styleMask:(NSUInteger)windowStyle; + +// Present since at least OS X 10.5. The OS calls this method on NSWindow +// (and its subclasses) to find out which NSFrameView subclass to instantiate +// to create its "frame view". ++ (Class)frameViewClassForStyleMask:(NSUInteger)styleMask; + +@end + +@interface PopupWindow : BaseWindow { + @private + BOOL mIsContextMenu; +} + +- (id)initWithContentRect:(NSRect)contentRect + styleMask:(NSUInteger)styleMask + backing:(NSBackingStoreType)bufferingType + defer:(BOOL)deferCreation; +- (BOOL)isContextMenu; +- (void)setIsContextMenu:(BOOL)flag; +- (BOOL)canBecomeMainWindow; + +@end + +@interface BorderlessWindow : BaseWindow { +} + +- (BOOL)canBecomeKeyWindow; +- (BOOL)canBecomeMainWindow; + +@end + +@interface WindowDelegate : NSObject <NSWindowDelegate> { + nsCocoaWindow* mGeckoWindow; // [WEAK] (we are owned by the window) + // Used to avoid duplication when we send NS_ACTIVATE and + // NS_DEACTIVATE to Gecko for toplevel widgets. Starts out + // false. + bool mToplevelActiveState; + BOOL mHasEverBeenZoomed; +} ++ (void)paintMenubarForWindow:(NSWindow*)aWindow; +- (id)initWithGeckoWindow:(nsCocoaWindow*)geckoWind; +- (void)windowDidResize:(NSNotification*)aNotification; +- (nsCocoaWindow*)geckoWidget; +- (bool)toplevelActiveState; +- (void)sendToplevelActivateEvents; +- (void)sendToplevelDeactivateEvents; +@end + +@interface MOZTitlebarView : NSVisualEffectView +@end + +@interface FullscreenTitlebarTracker : NSTitlebarAccessoryViewController +- (FullscreenTitlebarTracker*)init; +@end + +// NSWindow subclass for handling windows with toolbars. +@interface ToolbarWindow : BaseWindow { + // This window's titlebar view, if present. + // Will be nil if the window has neither a titlebar nor a unified toolbar. + // This view is a subview of the window's content view and gets created and + // destroyed by updateTitlebarView. + MOZTitlebarView* mTitlebarView; // [STRONG] + // mFullscreenTitlebarTracker attaches an invisible rectangle to the system + // title bar. This allows us to detect when the title bar is showing in + // fullscreen. + FullscreenTitlebarTracker* mFullscreenTitlebarTracker; + + CGFloat mUnifiedToolbarHeight; + CGFloat mSheetAttachmentPosition; + CGFloat mMenuBarHeight; + /* Store the height of the titlebar when this window is initialized. The + titlebarHeight getter returns 0 when in fullscreen, which is not useful in + some cases. */ + CGFloat mInitialTitlebarHeight; + NSRect mWindowButtonsRect; +} +- (void)setUnifiedToolbarHeight:(CGFloat)aHeight; +- (CGFloat)unifiedToolbarHeight; +- (CGFloat)titlebarHeight; +- (NSRect)titlebarRect; +- (void)setTitlebarNeedsDisplay; +- (void)setDrawsContentsIntoWindowFrame:(BOOL)aState; +- (void)setSheetAttachmentPosition:(CGFloat)aY; +- (CGFloat)sheetAttachmentPosition; +- (void)placeWindowButtons:(NSRect)aRect; +- (NSRect)windowButtonsRect; +- (void)windowMainStateChanged; +@end + +class nsCocoaWindow final : public nsBaseWidget, public nsPIWidgetCocoa { + private: + typedef nsBaseWidget Inherited; + + public: + nsCocoaWindow(); + + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_NSPIWIDGETCOCOA; // semicolon for clang-format bug 1629756 + + [[nodiscard]] virtual nsresult Create(nsIWidget* aParent, nsNativeWidget aNativeParent, + const DesktopIntRect& aRect, InitData* = nullptr) override; + + [[nodiscard]] virtual nsresult Create(nsIWidget* aParent, nsNativeWidget aNativeParent, + const LayoutDeviceIntRect& aRect, + InitData* = nullptr) override; + + virtual void Destroy() override; + + virtual void Show(bool aState) override; + virtual bool NeedsRecreateToReshow() override; + + virtual nsIWidget* GetSheetWindowParent(void) override; + virtual void Enable(bool aState) override; + virtual bool IsEnabled() const override; + virtual void SetModal(bool aState) override; + virtual void SetFakeModal(bool aState) override; + virtual bool IsRunningAppModal() override; + virtual bool IsVisible() const override; + virtual void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override; + virtual LayoutDeviceIntPoint WidgetToScreenOffset() override; + virtual LayoutDeviceIntPoint GetClientOffset() override; + virtual LayoutDeviceIntMargin ClientToWindowMargin() override; + + virtual void* GetNativeData(uint32_t aDataType) override; + + virtual void ConstrainPosition(DesktopIntPoint&) override; + virtual void SetSizeConstraints(const SizeConstraints& aConstraints) override; + virtual void Move(double aX, double aY) override; + virtual nsSizeMode SizeMode() override { return mSizeMode; } + virtual void SetSizeMode(nsSizeMode aMode) override; + virtual void GetWorkspaceID(nsAString& workspaceID) override; + virtual void MoveToWorkspace(const nsAString& workspaceID) override; + virtual void SuppressAnimation(bool aSuppress) override; + virtual void HideWindowChrome(bool aShouldHide) override; + + virtual bool PrepareForFullscreenTransition(nsISupports** aData) override; + virtual void PerformFullscreenTransition(FullscreenTransitionStage aStage, uint16_t aDuration, + nsISupports* aData, nsIRunnable* aCallback) override; + virtual void CleanupFullscreenTransition() override; + nsresult MakeFullScreen(bool aFullScreen) final; + nsresult MakeFullScreenWithNativeTransition(bool aFullScreen) final; + NSAnimation* FullscreenTransitionAnimation() const { return mFullscreenTransitionAnimation; } + void ReleaseFullscreenTransitionAnimation() { + MOZ_ASSERT(mFullscreenTransitionAnimation, "Should only be called when there is animation"); + [mFullscreenTransitionAnimation release]; + mFullscreenTransitionAnimation = nil; + } + + virtual void Resize(double aWidth, double aHeight, bool aRepaint) override; + virtual void Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint) override; + NSRect GetClientCocoaRect(); + virtual LayoutDeviceIntRect GetClientBounds() override; + virtual LayoutDeviceIntRect GetScreenBounds() override; + void ReportMoveEvent(); + void ReportSizeEvent(); + virtual void SetCursor(const Cursor&) override; + + CGFloat BackingScaleFactor(); + void BackingScaleFactorChanged(); + virtual double GetDefaultScaleInternal() override; + virtual int32_t RoundsWidgetCoordinatesTo() override; + + mozilla::DesktopToLayoutDeviceScale GetDesktopToDeviceScale() final { + return mozilla::DesktopToLayoutDeviceScale(BackingScaleFactor()); + } + + virtual nsresult SetTitle(const nsAString& aTitle) override; + + virtual void Invalidate(const LayoutDeviceIntRect& aRect) override; + virtual WindowRenderer* GetWindowRenderer() override; + virtual nsresult DispatchEvent(mozilla::WidgetGUIEvent* aEvent, nsEventStatus& aStatus) override; + virtual void CaptureRollupEvents(bool aDoCapture) override; + [[nodiscard]] virtual nsresult GetAttention(int32_t aCycleCount) override; + virtual bool HasPendingInputEvent() override; + virtual TransparencyMode GetTransparencyMode() override; + virtual void SetTransparencyMode(TransparencyMode aMode) override; + virtual void SetWindowShadowStyle(mozilla::StyleWindowShadow aStyle) override; + virtual void SetWindowOpacity(float aOpacity) override; + virtual void SetWindowTransform(const mozilla::gfx::Matrix& aTransform) override; + virtual void SetInputRegion(const InputRegion&) override; + virtual void SetColorScheme(const mozilla::Maybe<mozilla::ColorScheme>&) override; + virtual void SetShowsToolbarButton(bool aShow) override; + virtual void SetSupportsNativeFullscreen(bool aShow) override; + virtual void SetWindowAnimationType(WindowAnimationType aType) override; + virtual void SetDrawsTitle(bool aDrawTitle) override; + virtual nsresult SetNonClientMargins(const LayoutDeviceIntMargin&) override; + virtual void SetDrawsInTitlebar(bool aState) override; + virtual void UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries) override; + virtual nsresult SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint, + NativeMouseMessage aNativeMessage, + mozilla::MouseButton aButton, + nsIWidget::Modifiers aModifierFlags, + nsIObserver* aObserver) override; + virtual nsresult SynthesizeNativeMouseScrollEvent(LayoutDeviceIntPoint aPoint, + uint32_t aNativeMessage, double aDeltaX, + double aDeltaY, double aDeltaZ, + uint32_t aModifierFlags, + uint32_t aAdditionalFlags, + nsIObserver* aObserver) override; + virtual void LockAspectRatio(bool aShouldLock) override; + + void DispatchSizeModeEvent(); + void DispatchOcclusionEvent(); + + // be notified that a some form of drag event needs to go into Gecko + virtual bool DragEvent(unsigned int aMessage, mozilla::gfx::Point aMouseGlobal, + UInt16 aKeyModifiers); + + bool HasModalDescendents() { return mNumModalDescendents > 0; } + NSWindow* GetCocoaWindow() { return mWindow; } + + void SetMenuBar(RefPtr<nsMenuBarX>&& aMenuBar); + nsMenuBarX* GetMenuBar(); + + virtual void SetInputContext(const InputContext& aContext, + const InputContextAction& aAction) override; + virtual InputContext GetInputContext() override { return mInputContext; } + MOZ_CAN_RUN_SCRIPT virtual bool GetEditCommands( + mozilla::NativeKeyBindingsType aType, const mozilla::WidgetKeyboardEvent& aEvent, + nsTArray<mozilla::CommandInt>& aCommands) override; + + void SetPopupWindowLevel(); + + bool InFullScreenMode() const { return mInFullScreenMode; } + + void PauseCompositor(); + void ResumeCompositor(); + + bool AsyncPanZoomEnabled() const override; + + bool StartAsyncAutoscroll(const ScreenPoint& aAnchorLocation, + const ScrollableLayerGuid& aGuid) override; + void StopAsyncAutoscroll(const ScrollableLayerGuid& aGuid) override; + + // Class method versions of NSWindow/Delegate callbacks which need to + // access object state. + void CocoaWindowWillEnterFullscreen(bool aFullscreen); + void CocoaWindowDidEnterFullscreen(bool aFullscreen); + void CocoaWindowDidFailFullscreen(bool aAttemptedFullscreen); + void CocoaWindowDidResize(); + void CocoaSendToplevelActivateEvents(); + void CocoaSendToplevelDeactivateEvents(); + + enum class TransitionType { + Windowed, + Fullscreen, + EmulatedFullscreen, + Miniaturize, + Deminiaturize, + Zoom, + }; + void FinishCurrentTransition(); + void FinishCurrentTransitionIfMatching(const TransitionType& aTransition); + + // Called when something has happened that might cause us to update our + // fullscreen state. Returns true if we updated state. We'll call this + // on window resize, and we'll call it when we enter or exit fullscreen, + // since fullscreen to-and-from zoomed windows won't necessarily trigger + // a resize. + bool HandleUpdateFullscreenOnResize(); + + protected: + virtual ~nsCocoaWindow(); + + nsresult CreateNativeWindow(const NSRect& aRect, BorderStyle aBorderStyle, bool aRectIsFrameRect, + bool aIsPrivateBrowsing); + nsresult CreatePopupContentView(const LayoutDeviceIntRect& aRect, InitData*); + void DestroyNativeWindow(); + void UpdateBounds(); + int32_t GetWorkspaceID(); + + void DoResize(double aX, double aY, double aWidth, double aHeight, bool aRepaint, + bool aConstrainToCurrentScreen); + + void UpdateFullscreenState(bool aFullScreen, bool aNativeMode); + nsresult DoMakeFullScreen(bool aFullScreen, bool aUseSystemTransition); + + virtual already_AddRefed<nsIWidget> AllocateChildPopupWidget() override { + return nsIWidget::CreateTopLevelWindow(); + } + + nsIWidget* mParent; // if we're a popup, this is our parent [WEAK] + nsIWidget* mAncestorLink; // link to traverse ancestors [WEAK] + BaseWindow* mWindow; // our cocoa window [STRONG] + WindowDelegate* mDelegate; // our delegate for processing window msgs [STRONG] + RefPtr<nsMenuBarX> mMenuBar; + NSWindow* mSheetWindowParent; // if this is a sheet, this is the NSWindow it's attached to + nsChildView* mPopupContentView; // if this is a popup, this is its content widget + // if this is a toplevel window, and there is any ongoing fullscreen + // transition, it is the animation object. + NSAnimation* mFullscreenTransitionAnimation; + mozilla::StyleWindowShadow mShadowStyle; + + CGFloat mBackingScaleFactor; + CGFloat mAspectRatio; + + WindowAnimationType mAnimationType; + + bool mWindowMadeHere; // true if we created the window, false for embedding + bool mSheetNeedsShow; // if this is a sheet, are we waiting to be shown? + // this is used for sibling sheet contention only + nsSizeMode mSizeMode; + bool mInFullScreenMode; + // Whether we are currently using native fullscreen. It could be false because + // we are in the emulated fullscreen where we do not use the native fullscreen. + bool mInNativeFullScreenMode; + + mozilla::Maybe<TransitionType> mTransitionCurrent; + std::queue<TransitionType> mTransitionsPending; + + // Sometimes we add a transition that wasn't requested by a caller. We do this + // to manage transitions between states that otherwise would be rejected by + // Cocoa. When we do this, it's useful to know when we are handling an added + // transition because we don't want to send size mode events when they execute. + bool mIsTransitionCurrentAdded = false; + + // Whether we are treating the next resize as the start of a fullscreen transition. + // If we are, which direction are we going: Fullscreen or Windowed. + mozilla::Maybe<TransitionType> mUpdateFullscreenOnResize; + + bool IsInTransition() { return mTransitionCurrent.isSome(); } + void QueueTransition(const TransitionType& aTransition); + void ProcessTransitions(); + + bool mInProcessTransitions = false; + + // While running an emulated fullscreen transition, we want to suppress sending + // size mode events due to window resizing. We fix it up at the end when the + // transition is complete. + bool mSuppressSizeModeEvents = false; + + // Ignore occlusion events caused by displaying the temporary fullscreen + // window during the fullscreen transition animation because only focused + // contexts are permitted to enter DOM fullscreen. + int mIgnoreOcclusionCount; + + // Set to true when a native fullscreen transition is initiated -- either to + // or from fullscreen -- and set to false when it is complete. During this + // period, we presume the window is visible, which prevents us from sending + // unnecessary OcclusionStateChanged events. + bool mHasStartedNativeFullscreen; + + bool mModal; + bool mFakeModal; + + bool mIsAnimationSuppressed; + + bool mInReportMoveEvent; // true if in a call to ReportMoveEvent(). + bool mInResize; // true if in a call to DoResize(). + bool mWindowTransformIsIdentity; + bool mAlwaysOnTop; + bool mAspectRatioLocked; + + int32_t mNumModalDescendents; + InputContext mInputContext; + NSWindowAnimationBehavior mWindowAnimationBehavior; + + private: + // true if Show() has been called. + bool mWasShown; +}; + +#endif // nsCocoaWindow_h_ |