Add support for rect-based event targeting in views

chrome/browser/ui/views/tabs/tab_strip.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 143 matching lines @@
   bool IsTabStripCloseable() const;
 
   // Updates the loading animations displayed by tabs in the tabstrip to the
   // next frame.
   void UpdateLoadingAnimations();
 
   // Returns true if the specified point (in TabStrip coordinates) is in the
   // window caption area of the browser window.
   bool IsPositionInWindowCaption(const gfx::Point& point);
 
+  // Returns true if the specified rect (in TabStrip coordinates) intersects
+  // the window caption area of the browser window.
+  bool IsRectInWindowCaption(const gfx::Rect& rect);
+
   // Set the background offset used by inactive tabs to match the frame image.
   void SetBackgroundOffset(const gfx::Point& offset);
 
   // Returns the new tab button. This is never NULL.
   views::View* newtab_button();
 
   // Sets a painting style with miniature "tab indicator" rectangles at the top.
   void SetImmersiveStyle(bool enable);
 
   // Returns true if Tabs in this TabStrip are currently changing size or
@@ skipping 40 matching lines @@
   virtual void PaintChildren(gfx::Canvas* canvas) OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   // NOTE: the drag and drop methods are invoked from FrameView. This is done
   // to allow for a drop region that extends outside the bounds of the TabStrip.
   virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE;
   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
   virtual void OnDragExited() OVERRIDE;
   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
-  virtual views::View* GetEventHandlerForPoint(
-      const gfx::Point& point) OVERRIDE;
+  virtual views::View* GetEventHandlerForRect(const gfx::Rect& rect) OVERRIDE;
   virtual views::View* GetTooltipHandlerForPoint(
       const gfx::Point& point) OVERRIDE;
 
   // Returns preferred height in immersive style.
   static int GetImmersiveHeight();
 
  protected:
   // Horizontal gap between mini and non-mini-tabs.
   static const int kMiniToNonMiniGap;
 
@@ skipping 251 matching lines @@
 
   // Starts various types of TabStrip animations.
   void StartResizeLayoutAnimation();
   void StartMiniTabAnimation();
   void StartMouseInitiatedRemoveTabAnimation(int model_index);
 
   // Returns true if the specified point in TabStrip coords is within the
   // hit-test region of the specified Tab.
   bool IsPointInTab(Tab* tab, const gfx::Point& point_in_tabstrip_coords);
 
+  // Returns true if the specified rect in TabStrip coords intersects the
+  // hit-test region of the specified Tab.
+  bool IsRectInTab(Tab* tab, const gfx::Rect& rect_in_tabstrip_coords);
+
   // -- Touch Layout ----------------------------------------------------------
 
   // Returns the position normal tabs start at.
   int GetStartXForNormalTabs() const;
 
   // Returns the tab to use for event handling. This uses FindTabForEventFrom()
   // to do the actual searching.
   Tab* FindTabForEvent(const gfx::Point& point);
 
   // Returns the tab to use for event handling starting at index |start| and
@@ skipping 115 matching lines @@
   bool immersive_style_;
 
   // Our observers.
   typedef ObserverList<TabStripObserver> TabStripObservers;
   TabStripObservers observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TabStrip);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_