Bug 1807482 - Remove gRollupListener. r=stransky

This is just preliminary clean-up.

Differential Revision: https://phabricator.services.mozilla.com/D165734

layout/xul/nsXULPopupManager.cpp

@@ -293,7 +293,7 @@ bool nsXULPopupManager::Rollup(uint32_t aCount, bool aFlush,
   if (StaticPrefs::ui_popup_disable_autohide()) {
     // Required on linux to allow events to work on other targets.
     if (mWidget) {
-      mWidget->CaptureRollupEvents(nullptr, false);
+      mWidget->CaptureRollupEvents(false);
     }
     return false;
   }
@@ -1955,7 +1955,7 @@ void nsXULPopupManager::SetCaptureState(nsIContent* aOldPopup) {
   if (item && aOldPopup == item->Content()) return;
 
   if (mWidget) {
-    mWidget->CaptureRollupEvents(nullptr, false);
+    mWidget->CaptureRollupEvents(false);
     mWidget = nullptr;
   }
 
@@ -1963,7 +1963,7 @@ void nsXULPopupManager::SetCaptureState(nsIContent* aOldPopup) {
     nsMenuPopupFrame* popup = item->Frame();
     mWidget = popup->GetWidget();
     if (mWidget) {
-      mWidget->CaptureRollupEvents(nullptr, true);
+      mWidget->CaptureRollupEvents(true);
     }
   }
 

widget/cocoa/nsCocoaWindow.h

@@ -301,7 +301,7 @@ class nsCocoaWindow final : public nsBaseWidget, public nsPIWidgetCocoa {
   virtual void Invalidate(const LayoutDeviceIntRect& aRect) override;
   virtual WindowRenderer* GetWindowRenderer() override;
   virtual nsresult DispatchEvent(mozilla::WidgetGUIEvent* aEvent, nsEventStatus& aStatus) override;
-  virtual void CaptureRollupEvents(nsIRollupListener* aListener, bool aDoCapture) override;
+  virtual void CaptureRollupEvents(bool aDoCapture) override;
   [[nodiscard]] virtual nsresult GetAttention(int32_t aCycleCount) override;
   virtual bool HasPendingInputEvent() override;
   virtual nsTransparencyMode GetTransparencyMode() override;

widget/cocoa/nsCocoaWindow.mm

@@ -2253,11 +2253,9 @@ LayoutDeviceIntSize nsCocoaWindow::ClientToWindowSize(const LayoutDeviceIntSize&
 
 nsMenuBarX* nsCocoaWindow::GetMenuBar() { return mMenuBar; }
 
-void nsCocoaWindow::CaptureRollupEvents(nsIRollupListener* aListener, bool aDoCapture) {
+void nsCocoaWindow::CaptureRollupEvents(bool aDoCapture) {
   NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
 
-  gRollupListener = nullptr;
-
   if (aDoCapture) {
     if (![NSApp isActive]) {
       // We need to capture mouse event if we aren't
@@ -2266,7 +2264,6 @@ void nsCocoaWindow::CaptureRollupEvents(nsIRollupListener* aListener, bool aDoCa
       // and gdb sessions. See bug 699538.
       nsToolkit::GetToolkit()->MonitorAllProcessMouseEvents();
     }
-    gRollupListener = aListener;
 
     // Sometimes more than one popup window can be visible at the same time
     // (e.g. nested non-native context menus, or the test case (attachment

widget/gtk/nsWindow.cpp

@@ -3692,8 +3692,7 @@ void nsWindow::CaptureMouse(bool aCapture) {
   }
 }
 
-void nsWindow::CaptureRollupEvents(nsIRollupListener* aListener,
-                                   bool aDoCapture) {
+void nsWindow::CaptureRollupEvents(bool aDoCapture) {
   LOG("CaptureRollupEvents() %i\n", int(aDoCapture));
 
   if (mIsDestroyed) {
@@ -3701,7 +3700,6 @@ void nsWindow::CaptureRollupEvents(nsIRollupListener* aListener,
   }
 
   if (aDoCapture) {
-    gRollupListener = aListener;
     // Don't add a grab if a drag is in progress, or if the widget is a drag
     // feedback popup. (panels with type="drag").
     if (!GdkIsWaylandDisplay() && !mIsDragPopup &&
@@ -3714,7 +3712,6 @@ void nsWindow::CaptureRollupEvents(nsIRollupListener* aListener,
     // was not added to this widget.
     LOG("  remove mContainer grab [%p]\n", this);
     gtk_grab_remove(GTK_WIDGET(mContainer));
-    gRollupListener = nullptr;
   }
 }
 
@@ -7432,7 +7429,6 @@ bool nsWindow::CheckForRollup(gdouble aMouseX, gdouble aMouseY, bool aIsWheel,
     rollupWidget = rollupListener->GetRollupWidget();
   }
   if (!rollupWidget) {
-    nsBaseWidget::gRollupListener = nullptr;
     return false;
   }
 

widget/gtk/nsWindow.h

@@ -190,8 +190,7 @@ class nsWindow final : public nsBaseWidget {
   void SetWindowClass(const nsAString& xulWinType) override;
   LayoutDeviceIntPoint WidgetToScreenOffset() override;
   void CaptureMouse(bool aCapture) override;
-  void CaptureRollupEvents(nsIRollupListener* aListener,
-                           bool aDoCapture) override;
+  void CaptureRollupEvents(bool aDoCapture) override;
   [[nodiscard]] nsresult GetAttention(int32_t aCycleCount) override;
   bool HasPendingInputEvent() override;
 

widget/nsBaseWidget.cpp

@@ -105,8 +105,6 @@ static int32_t gNumWidgets;
 #  include "nsCocoaFeatures.h"
 #endif
 
-nsIRollupListener* nsBaseWidget::gRollupListener = nullptr;
-
 using namespace mozilla::dom;
 using namespace mozilla::layers;
 using namespace mozilla::ipc;
@@ -1805,9 +1803,7 @@ const widget::SizeConstraints nsBaseWidget::GetSizeConstraints() {
 
 // static
 nsIRollupListener* nsBaseWidget::GetActiveRollupListener() {
-  // If set, then this is likely an <html:select> dropdown.
-  if (gRollupListener) return gRollupListener;
-
+  // TODO: Simplify this.
   return nsXULPopupManager::GetInstance();
 }
 

widget/nsBaseWidget.h

@@ -165,8 +165,7 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
 
   // nsIWidget interface
   void CaptureMouse(bool aCapture) override {}
-  void CaptureRollupEvents(nsIRollupListener* aListener,
-                           bool aDoCapture) override {}
+  void CaptureRollupEvents(bool aDoCapture) override {}
   nsIWidgetListener* GetWidgetListener() const override;
   void SetWidgetListener(nsIWidgetListener* alistener) override;
   void Destroy() override;
@@ -730,8 +729,6 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   // a PANGESTURE_(MAY)START event).
   bool mCurrentPanGestureBelongsToSwipe;
 
-  static nsIRollupListener* gRollupListener;
-
   struct InitialZoomConstraints {
     InitialZoomConstraints(const uint32_t& aPresShellID,
                            const ScrollableLayerGuid::ViewID& aViewID,

widget/nsIWidget.h

@@ -1413,8 +1413,7 @@ class nsIWidget : public nsISupports {
    * @param aDoCapture true enables capture, false disables capture
    *
    */
-  virtual void CaptureRollupEvents(nsIRollupListener* aListener,
-                                   bool aDoCapture) = 0;
+  virtual void CaptureRollupEvents(bool aDoCapture) = 0;
 
   /**
    * Bring this window to the user's attention.  This is intended to be a more

widget/windows/nsWindow.cpp

@@ -3969,16 +3969,13 @@ void nsWindow::CaptureMouse(bool aCapture) {
  *
  **************************************************************/
 
-void nsWindow::CaptureRollupEvents(nsIRollupListener* aListener,
-                                   bool aDoCapture) {
+void nsWindow::CaptureRollupEvents(bool aDoCapture) {
   if (aDoCapture) {
-    gRollupListener = aListener;
     if (!sMsgFilterHook && !sCallProcHook && !sCallMouseHook) {
       RegisterSpecialDropdownHooks();
     }
     sProcessHook = true;
   } else {
-    gRollupListener = nullptr;
     sProcessHook = false;
     UnregisterSpecialDropdownHooks();
   }
@@ -7483,7 +7480,7 @@ void nsWindow::OnDestroy() {
   }
   if (this == rollupWidget) {
     if (rollupListener) rollupListener->Rollup(0, false, nullptr, nullptr);
-    CaptureRollupEvents(nullptr, false);
+    CaptureRollupEvents(false);
   }
 
   IMEHandler::OnDestroyWindow(this);

widget/windows/nsWindow.h

@@ -229,8 +229,7 @@ class nsWindow final : public nsBaseWidget {
                          nsEventStatus& aStatus) override;
   void EnableDragDrop(bool aEnable) override;
   void CaptureMouse(bool aCapture) override;
-  void CaptureRollupEvents(nsIRollupListener* aListener,
-                           bool aDoCapture) override;
+  void CaptureRollupEvents(bool aDoCapture) override;
   [[nodiscard]] nsresult GetAttention(int32_t aCycleCount) override;
   bool HasPendingInputEvent() override;
   WindowRenderer* GetWindowRenderer() override;