Mac tabpose: Add thumbnails

chrome/browser/cocoa/tabpose_window.h

 // Copyright (c) 2010 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_COCOA_TABPOSE_WINDOW_H_
 #define CHROME_BROWSER_COCOA_TABPOSE_WINDOW_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 14 matching lines @@
 
 enum WindowState {
   kFadingIn,
   kFadedIn,
   kFadingOut,
 };
 
 }  // namespace tabpose
 
 class TabStripModel;
+class TabStripModelObserverBridge;
 
 // A TabposeWindow shows an overview of open tabs and lets the user select a new
 // active tab. The window blocks clicks on the tab strip and the download
 // shelf. Every open browser window has its own overlay, and they are
 // independent of each other.
 @interface TabposeWindow : NSWindow {
  @private
   tabpose::WindowState state_;
 
   // The root layer added to the content view. Covers the whole window.
@@ skipping 13 matching lines @@
 
   // Stores all preview layers. The order in here matches the order in
   // the tabstrip model.
   scoped_nsobject<NSArray> allThumbnailLayers_;
 
   scoped_nsobject<NSArray> allFaviconLayers_;
   scoped_nsobject<NSArray> allTitleLayers_;
 
   // Manages the state of all layers.
   scoped_ptr<tabpose::TileSet> tileSet_;
+
+  // The rectangle of the window that contains all layers. This is the
+  // rectangle occupied by |bgLayer_|.
+  NSRect containingRect_;
+
+  // Informs us of added/removed/updated tabs.
+  scoped_ptr<TabStripModelObserverBridge> tabStripModelObserverBridge_;
 }
 
 // Shows a TabposeWindow on top of |parent|, with |rect| being the active area.
 // If |slomo| is YES, then the appearance animation is shown in slow motion.
 // The window blocks all keyboard and mouse events and releases itself when
 // closed.
 + (id)openTabposeFor:(NSWindow*)parent
                 rect:(NSRect)rect
                slomo:(BOOL)slomo
        tabStripModel:(TabStripModel*)tabStripModel;
 @end
 
+@interface TabposeWindow (TestingAPI)
+- (void)selectTileAtIndexWithoutAnimation:(int)newIndex;
+- (NSUInteger)thumbnailLayerCount;
+- (int)selectedIndex;
+@end
+
 #endif  // CHROME_BROWSER_COCOA_TABPOSE_WINDOW_H_