Bug 1763023 - Push nsBaseWidget::mSizeMode into child classes r=handyman

This member is no longer used on Windows, and having it in the
base class doesn't provide a real abstraction anyway since
the child classes will break if anything about it is changed.

Differential Revision: https://phabricator.services.mozilla.com/D145132

gfx/tests/gtest/MockWidget.h

@@ -66,6 +66,10 @@ class MockWidget : public nsBaseWidget {
 
   virtual void Enable(bool aState) override {}
   virtual bool IsEnabled() const override { return true; }
+
+  virtual nsSizeMode SizeMode() override { return mSizeMode; }
+  virtual void SetSizeMode(nsSizeMode aMode) override { mSizeMode = aMode; }
+
   virtual void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override {}
   virtual void Invalidate(const LayoutDeviceIntRect& aRect) override {}
   virtual nsresult SetTitle(const nsAString& title) override { return NS_OK; }
@@ -83,6 +87,8 @@ class MockWidget : public nsBaseWidget {
  private:
   ~MockWidget() = default;
 
+  nsSizeMode mSizeMode = nsSizeMode_Normal;
+
   int mCompWidth;
   int mCompHeight;
 };

widget/PuppetWidget.cpp

@@ -86,6 +86,7 @@ PuppetWidget::PuppetWidget(BrowserChild* aBrowserChild)
       mDefaultScale(-1),
       mEnabled(false),
       mVisible(false),
+      mSizeMode(nsSizeMode_Normal),
       mNeedIMEStateInit(false),
       mIgnoreCompositionEvents(false) {
   // Setting 'Unknown' means "not yet cached".

widget/PuppetWidget.h

@@ -114,6 +114,9 @@ class PuppetWidget : public nsBaseWidget,
   virtual void Enable(bool aState) override { mEnabled = aState; }
   virtual bool IsEnabled() const override { return mEnabled; }
 
+  virtual nsSizeMode SizeMode() override { return mSizeMode; }
+  virtual void SetSizeMode(nsSizeMode aMode) override { mSizeMode = aMode; }
+
   virtual void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override;
 
   virtual void Invalidate(const LayoutDeviceIntRect& aRect) override;
@@ -398,6 +401,8 @@ class PuppetWidget : public nsBaseWidget,
   bool mVisible;
 
  private:
+  nsSizeMode mSizeMode;
+
   bool mNeedIMEStateInit;
   // When remote process requests to commit/cancel a composition, the
   // composition may have already been committed in the main process.  In such

widget/android/nsWindow.cpp

@@ -1787,6 +1787,7 @@ nsWindow::nsWindow()
       mIsVisible(false),
       mParent(nullptr),
       mDynamicToolbarMaxHeight(0),
+      mSizeMode(nsSizeMode_Normal),
       mIsFullScreen(false),
       mCompositorWidgetDelegate(nullptr) {}
 
@@ -2110,7 +2111,7 @@ void nsWindow::SetSizeMode(nsSizeMode aMode) {
     return;
   }
 
-  nsBaseWidget::SetSizeMode(aMode);
+  mSizeMode = aMode;
 
   switch (aMode) {
     case nsSizeMode_Minimized:

widget/android/nsWindow.h

@@ -150,6 +150,7 @@ class nsWindow final : public nsBaseWidget {
   virtual void Resize(double aX, double aY, double aWidth, double aHeight,
                       bool aRepaint) override;
   void SetZIndex(int32_t aZIndex) override;
+  virtual nsSizeMode SizeMode() override { return mSizeMode; }
   virtual void SetSizeMode(nsSizeMode aMode) override;
   virtual void Enable(bool aState) override;
   virtual bool IsEnabled() const override;
@@ -255,6 +256,7 @@ class nsWindow final : public nsBaseWidget {
   mozilla::ScreenIntCoord mDynamicToolbarMaxHeight;
   mozilla::ScreenIntMargin mSafeAreaInsets;
 
+  nsSizeMode mSizeMode;
   bool mIsFullScreen;
 
   bool UseExternalCompositingSurface() const override { return true; }

widget/cocoa/nsChildView.h

@@ -308,6 +308,10 @@ class nsChildView final : public nsBaseWidget {
 
   virtual void Enable(bool aState) override;
   virtual bool IsEnabled() const override;
+
+  virtual nsSizeMode SizeMode() override { return mSizeMode; }
+  virtual void SetSizeMode(nsSizeMode aMode) override { mSizeMode = aMode; }
+
   virtual void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override;
   virtual LayoutDeviceIntRect GetBounds() override;
   virtual LayoutDeviceIntRect GetClientBounds() override;
@@ -554,6 +558,7 @@ class nsChildView final : public nsBaseWidget {
   mutable CGFloat mBackingScaleFactor;
 
   bool mVisible;
+  nsSizeMode mSizeMode;
   bool mDrawing;
   bool mIsDispatchPaint;  // Is a paint event being dispatched
 

widget/cocoa/nsChildView.mm

@@ -222,6 +222,7 @@ nsChildView::nsChildView()
       mCompositingLock("ChildViewCompositing"),
       mBackingScaleFactor(0.0),
       mVisible(false),
+      mSizeMode(nsSizeMode_Normal),
       mDrawing(false),
       mIsDispatchPaint(false) {}
 

widget/cocoa/nsCocoaWindow.h

@@ -256,6 +256,7 @@ class nsCocoaWindow final : public nsBaseWidget, public nsPIWidgetCocoa {
   virtual void ConstrainPosition(bool aAllowSlop, int32_t* aX, int32_t* aY) 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;
@@ -404,6 +405,7 @@ class nsCocoaWindow final : public nsBaseWidget, public nsPIWidgetCocoa {
   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;
   bool mInFullScreenTransition;  // true from the request to enter/exit fullscreen
                                  // (MakeFullScreen() call) to EnteredFullScreen()

widget/cocoa/nsCocoaWindow.mm

@@ -136,6 +136,7 @@ nsCocoaWindow::nsCocoaWindow()
       mAnimationType(nsIWidget::eGenericWindowAnimation),
       mWindowMadeHere(false),
       mSheetNeedsShow(false),
+      mSizeMode(nsSizeMode_Normal),
       mInFullScreenMode(false),
       mInFullScreenTransition(false),
       mIgnoreOcclusionCount(0),

widget/gtk/nsWindow.cpp

@@ -2457,7 +2457,7 @@ void nsWindow::SetSizeMode(nsSizeMode aMode) {
   LOG("nsWindow::SetSizeMode %d\n", aMode);
 
   // Save the requested state.
-  nsBaseWidget::SetSizeMode(aMode);
+  mSizeMode = aMode;
 
   // return if there's no shell or our current state is the same as
   // the mode we were just set to.

widget/gtk/nsWindow.h

@@ -161,6 +161,7 @@ class nsWindow final : public nsBaseWidget {
   bool IsEnabled() const override;
 
   void SetZIndex(int32_t aZIndex) override;
+  nsSizeMode SizeMode() override { return mSizeMode; }
   void SetSizeMode(nsSizeMode aMode) override;
   void GetWorkspaceID(nsAString& workspaceID) override;
   void MoveToWorkspace(const nsAString& workspaceID) override;
@@ -526,6 +527,7 @@ class nsWindow final : public nsBaseWidget {
   // in some reasonable time when page content is not updated.
   int mCompositorPauseTimeoutID = 0;
 
+  nsSizeMode mSizeMode = nsSizeMode_Normal;
   nsSizeMode mSizeState = nsSizeMode_Normal;
   float mAspectRatio = 0.0f;
   float mAspectRatioSaved = 0.0f;

widget/headless/HeadlessWidget.cpp

@@ -71,6 +71,7 @@ HeadlessWidget::HeadlessWidget()
       mDestroyed(false),
       mTopLevel(nullptr),
       mCompositorWidget(nullptr),
+      mSizeMode(nsSizeMode_Normal),
       mLastSizeMode(nsSizeMode_Normal),
       mEffectiveSizeMode(nsSizeMode_Normal),
       mRestoreBounds(0, 0, 0, 0) {
@@ -300,7 +301,7 @@ void HeadlessWidget::SetSizeMode(nsSizeMode aMode) {
     return;
   }
 
-  nsBaseWidget::SetSizeMode(aMode);
+  mSizeMode = aMode;
 
   // Normally in real widget backends a window event would be triggered that
   // would cause the window manager to handle resizing the window. In headless

widget/headless/HeadlessWidget.h

@@ -70,6 +70,7 @@ class HeadlessWidget : public nsBaseWidget {
   virtual void Resize(double aWidth, double aHeight, bool aRepaint) override;
   virtual void Resize(double aX, double aY, double aWidth, double aHeight,
                       bool aRepaint) override;
+  virtual nsSizeMode SizeMode() override { return mSizeMode; }
   virtual void SetSizeMode(nsSizeMode aMode) override;
   virtual nsresult MakeFullScreen(bool aFullScreen) override;
   virtual void Enable(bool aState) override;
@@ -141,6 +142,7 @@ class HeadlessWidget : public nsBaseWidget {
   bool mDestroyed;
   nsIWidget* mTopLevel;
   HeadlessCompositorWidget* mCompositorWidget;
+  nsSizeMode mSizeMode;
   // The size mode before entering fullscreen mode.
   nsSizeMode mLastSizeMode;
   // The last size mode set while the window was visible.

widget/nsBaseWidget.cpp

@@ -142,7 +142,6 @@ nsBaseWidget::nsBaseWidget(nsBorderStyle aBorderStyle)
       mBorderStyle(aBorderStyle),
       mBounds(0, 0, 0, 0),
       mOriginalBounds(nullptr),
-      mSizeMode(nsSizeMode_Normal),
       mIsTiled(false),
       mPopupLevel(ePopupLevelTop),
       mPopupType(ePopupTypeAny),
@@ -691,18 +690,6 @@ void nsBaseWidget::SetZIndex(int32_t aZIndex) {
   }
 }
 
-//-------------------------------------------------------------------------
-//
-// Maximize, minimize or restore the window. The BaseWidget implementation
-// merely stores the state.
-//
-//-------------------------------------------------------------------------
-void nsBaseWidget::SetSizeMode(nsSizeMode aMode) {
-  MOZ_ASSERT(aMode == nsSizeMode_Normal || aMode == nsSizeMode_Minimized ||
-             aMode == nsSizeMode_Maximized || aMode == nsSizeMode_Fullscreen);
-  mSizeMode = aMode;
-}
-
 void nsBaseWidget::GetWorkspaceID(nsAString& workspaceID) {
   workspaceID.Truncate();
 }

widget/nsBaseWidget.h

@@ -182,8 +182,6 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   void PlaceBehind(nsTopLevelWidgetZPlacement aPlacement, nsIWidget* aWidget,
                    bool aActivate) override {}
 
-  void SetSizeMode(nsSizeMode aMode) override;
-  nsSizeMode SizeMode() override { return mSizeMode; }
   void GetWorkspaceID(nsAString& workspaceID) override;
   void MoveToWorkspace(const nsAString& workspaceID) override;
   bool IsTiled() const override { return mIsTiled; }
@@ -719,7 +717,6 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   nsBorderStyle mBorderStyle;
   LayoutDeviceIntRect mBounds;
   LayoutDeviceIntRect* mOriginalBounds;
-  nsSizeMode mSizeMode;
   bool mIsTiled;
   nsPopupLevel mPopupLevel;
   nsPopupType mPopupType;

widget/tests/gtest/MockWinWidget.h

@@ -30,6 +30,7 @@ class MockWinWidget : public nsBaseWidget {
   HWND GetWnd() { return mWnd; }
 
   nsSizeMode SizeMode() override;
+  void SetSizeMode(nsSizeMode aMode) override {}
 
   void* GetNativeData(uint32_t aDataType) override { return nullptr; }
 

widget/uikit/nsWindow.h

@@ -42,6 +42,7 @@ class nsWindow final : public nsBaseWidget {
   virtual void* GetNativeData(uint32_t aDataType) override;
 
   virtual void Move(double aX, double aY) override;
+  virtual nsSizeMode SizeMode() override { return mSizeMode; }
   virtual void SetSizeMode(nsSizeMode aMode) override;
   void EnteredFullScreen(bool aFullScreen);
   virtual void Resize(double aWidth, double aHeight, bool aRepaint) override;
@@ -94,6 +95,7 @@ class nsWindow final : public nsBaseWidget {
 
   ChildView* mNativeView;
   bool mVisible;
+  nsSizeMode mSizeMode;
   nsTArray<nsWindow*> mChildren;
   nsWindow* mParent;
   InputContext mInputContext;

widget/uikit/nsWindow.mm

@@ -378,7 +378,8 @@ class nsAutoRetainUIKitObject {
 }
 @end
 
-nsWindow::nsWindow() : mNativeView(nullptr), mVisible(false), mParent(nullptr) {}
+nsWindow::nsWindow()
+    : mNativeView(nullptr), mVisible(false), mSizeMode(nsSizeMode_Normal), mParent(nullptr) {}
 
 nsWindow::~nsWindow() {
   [mNativeView widgetDestroyed];  // Safe if mNativeView is nil.