Bug 1231517 - part 3, Add ZoomToRect function to nsIWidget classes r=kats

dom/ipc/PBrowser.ipdl

@@ -420,7 +420,7 @@ parent:
      * Instructs the TabParent to forward a request to zoom to a rect given in
      * CSS pixels. This rect is relative to the document.
      */
-    ZoomToRect(uint32_t aPresShellId, ViewID aViewId, CSSRect aRect);
+    ZoomToRect(uint32_t aPresShellId, ViewID aViewId, CSSRect aRect, uint32_t aFlags);
 
     /**
      * We know for sure that content has either preventDefaulted or not

dom/ipc/TabChild.cpp

@@ -1688,7 +1688,7 @@ TabChild::RecvHandleDoubleTap(const CSSPoint& aPoint, const Modifiers& aModifier
     ViewID viewId;
     if (APZCCallbackHelper::GetOrCreateScrollIdentifiers(
         document->GetDocumentElement(), &presShellId, &viewId)) {
-      SendZoomToRect(presShellId, viewId, zoomToRect);
+      SendZoomToRect(presShellId, viewId, zoomToRect, DEFAULT_BEHAVIOR);
     }
 
     return true;

dom/ipc/TabParent.cpp

@@ -2798,10 +2798,11 @@ TabParent::RecvBrowserFrameOpenWindow(PBrowserParent* aOpener,
 bool
 TabParent::RecvZoomToRect(const uint32_t& aPresShellId,
                           const ViewID& aViewId,
-                          const CSSRect& aRect)
+                          const CSSRect& aRect,
+                          const uint32_t& aFlags)
 {
   if (RenderFrameParent* rfp = GetRenderFrame()) {
-    rfp->ZoomToRect(aPresShellId, aViewId, aRect);
+    rfp->ZoomToRect(aPresShellId, aViewId, aRect, aFlags);
   }
   return true;
 }

dom/ipc/TabParent.h

@@ -299,7 +299,8 @@ public:
 
   virtual bool RecvZoomToRect(const uint32_t& aPresShellId,
                               const ViewID& aViewId,
-                              const CSSRect& aRect) override;
+                              const CSSRect& aRect,
+                              const uint32_t& aFlags) override;
 
   virtual bool
   RecvUpdateZoomConstraints(const uint32_t& aPresShellId,

layout/ipc/RenderFrameParent.cpp

@@ -506,11 +506,12 @@ RenderFrameParent::BuildDisplayList(nsDisplayListBuilder* aBuilder,
 
 void
 RenderFrameParent::ZoomToRect(uint32_t aPresShellId, ViewID aViewId,
-                              const CSSRect& aRect)
+                              const CSSRect& aRect,
+                              const uint32_t aFlags)
 {
   if (GetApzcTreeManager()) {
     GetApzcTreeManager()->ZoomToRect(ScrollableLayerGuid(mLayersId, aPresShellId, aViewId),
-                                     aRect);
+                                     aRect, aFlags);
   }
 }
 

layout/ipc/RenderFrameParent.h

@@ -79,7 +79,7 @@ public:
 
   void OwnerContentChanged(nsIContent* aContent);
 
-  void ZoomToRect(uint32_t aPresShellId, ViewID aViewId, const CSSRect& aRect);
+  void ZoomToRect(uint32_t aPresShellId, ViewID aViewId, const CSSRect& aRect, const uint32_t aFlags);
 
   void ContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
                                  uint64_t aInputBlockId,

widget/PuppetWidget.cpp

@@ -1424,5 +1424,18 @@ PuppetWidget::SetCandidateWindowForPlugin(int32_t aX, int32_t aY)
   mTabChild->SendSetCandidateWindowForPlugin(aX, aY);
 }
 
+void
+PuppetWidget::ZoomToRect(const uint32_t& aPresShellId,
+                         const FrameMetrics::ViewID& aViewId,
+                         const CSSRect& aRect,
+                         const uint32_t& aFlags)
+{
+  if (!mTabChild) {
+    return;
+  }
+
+  mTabChild->SendZoomToRect(aPresShellId, aViewId, aRect, aFlags);
+}
+
 } // namespace widget
 } // namespace mozilla

widget/PuppetWidget.h

@@ -40,6 +40,7 @@ class PuppetWidget : public nsBaseWidget
   typedef mozilla::dom::TabChild TabChild;
   typedef mozilla::gfx::DrawTarget DrawTarget;
   typedef nsBaseWidget Base;
+  typedef mozilla::CSSRect CSSRect;
 
   // The width and height of the "widget" are clamped to this.
   static const size_t kMaxDimension;
@@ -254,6 +255,10 @@ public:
 
   virtual void SetCandidateWindowForPlugin(int32_t aX, int32_t aY) override;
 
+  virtual void ZoomToRect(const uint32_t& aPresShellId,
+                          const FrameMetrics::ViewID& aViewId,
+                          const CSSRect& aRect,
+                          const uint32_t& aFlags) override;
 protected:
   virtual nsresult NotifyIMEInternal(
                      const IMENotification& aIMENotification) override;

widget/nsBaseWidget.cpp

@@ -1803,6 +1803,19 @@ nsBaseWidget::GetTextEventDispatcher()
   return mTextEventDispatcher;
 }
 
+void
+nsBaseWidget::ZoomToRect(const uint32_t& aPresShellId,
+                         const FrameMetrics::ViewID& aViewId,
+                         const CSSRect& aRect,
+                         const uint32_t& aFlags)
+{
+  if (!mCompositorParent || !mAPZC) {
+    return;
+  }
+  uint64_t layerId = mCompositorParent->RootLayerTreeId();
+  mAPZC->ZoomToRect(ScrollableLayerGuid(layerId, aPresShellId, aViewId), aRect, aFlags);
+}
+
 #ifdef ACCESSIBILITY
 
 a11y::Accessible*

widget/nsBaseWidget.h

@@ -100,6 +100,7 @@ protected:
   typedef mozilla::layers::APZEventState APZEventState;
   typedef mozilla::layers::SetAllowedTouchBehaviorCallback SetAllowedTouchBehaviorCallback;
   typedef mozilla::CSSIntRect CSSIntRect;
+  typedef mozilla::CSSRect CSSRect;
   typedef mozilla::ScreenRotation ScreenRotation;
 
   virtual ~nsBaseWidget();
@@ -251,7 +252,10 @@ public:
   virtual nsIWidgetListener* GetPreviouslyAttachedWidgetListener() override;
   virtual void               SetPreviouslyAttachedWidgetListener(nsIWidgetListener* aListener) override;
   NS_IMETHOD_(TextEventDispatcher*) GetTextEventDispatcher() override final;
-
+  virtual void ZoomToRect(const uint32_t& aPresShellId,
+                          const FrameMetrics::ViewID& aViewId,
+                          const CSSRect& aRect,
+                          const uint32_t& aFlags) override;
   // Helper function for dispatching events which are not processed by APZ,
   // but need to be transformed by APZ.
   nsEventStatus DispatchInputEvent(mozilla::WidgetInputEvent* aEvent) override;

widget/nsIWidget.h

@@ -133,8 +133,8 @@ typedef void* nsNativeWidget;
 #endif
 
 #define NS_IWIDGET_IID \
-{ 0x73c0a475, 0x450f, 0x4202, \
-  { 0xab, 0xb4, 0x62, 0xf8, 0x9d, 0xbe, 0xf7, 0x9a } }
+{ 0x6dc8ce1f, 0xbb55, 0x47c1, \
+  { 0xa1, 0x6f, 0x4e, 0x12, 0x37, 0xa1, 0xc2, 0xf4 } }
 
 /*
  * Window shadow styles
@@ -350,6 +350,7 @@ class nsIWidget : public nsISupports {
     typedef mozilla::LayoutDeviceIntSize LayoutDeviceIntSize;
     typedef mozilla::ScreenIntPoint ScreenIntPoint;
     typedef mozilla::DesktopIntRect DesktopIntRect;
+    typedef mozilla::CSSRect CSSRect;
 
     // Used in UpdateThemeGeometries.
     struct ThemeGeometry {
@@ -2069,6 +2070,11 @@ public:
      */
     NS_IMETHOD_(TextEventDispatcher*) GetTextEventDispatcher() = 0;
 
+    virtual void ZoomToRect(const uint32_t& aPresShellId,
+                            const FrameMetrics::ViewID& aViewId,
+                            const CSSRect& aRect,
+                            const uint32_t& aFlags) = 0;
+
 protected:
     /**
      * Like GetDefaultScale, but taking into account only the system settings