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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_COCOA_TABPOSE_WINDOW_H_
      6 #define CHROME_BROWSER_UI_COCOA_TABPOSE_WINDOW_H_
      7 
      8 #import <Cocoa/Cocoa.h>
      9 
     10 #include "base/mac/scoped_cftyperef.h"
     11 
     12 #include "base/mac/scoped_nsobject.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "base/memory/scoped_vector.h"
     15 
     16 namespace tabpose {
     17 
     18 class Tile;
     19 class TileSet;
     20 
     21 }
     22 
     23 namespace tabpose {
     24 
     25 enum WindowState {
     26   kFadingIn,
     27   kFadedIn,
     28   kFadingOut,
     29 };
     30 
     31 }  // namespace tabpose
     32 
     33 class TabStripModel;
     34 class TabStripModelObserverBridge;
     35 
     36 // A TabposeWindow shows an overview of open tabs and lets the user select a new
     37 // active tab. The window blocks clicks on the tab strip and the download
     38 // shelf. Every open browser window has its own overlay, and they are
     39 // independent of each other.
     40 @interface TabposeWindow : NSWindow {
     41  @private
     42   tabpose::WindowState state_;
     43 
     44   // The root layer added to the content view. Covers the whole window.
     45   CALayer* rootLayer_;  // weak
     46 
     47   // The layer showing the background layer. Covers the whole visible area.
     48   CALayer* bgLayer_;  // weak
     49 
     50   // Top gradient.
     51   CALayer* topGradient_;  // weak
     52 
     53   // The layer drawn behind the currently selected tile.
     54   CALayer* selectionHighlight_;  // weak
     55 
     56   // Colors used by the layers.
     57   base::ScopedCFTypeRef<CGColorRef> gray_;
     58   base::ScopedCFTypeRef<CGColorRef> darkBlue_;
     59 
     60   TabStripModel* tabStripModel_;  // weak
     61 
     62   // Stores all preview layers. The order in here matches the order in
     63   // the tabstrip model.
     64   base::scoped_nsobject<NSMutableArray> allThumbnailLayers_;
     65 
     66   base::scoped_nsobject<NSMutableArray> allFaviconLayers_;
     67   base::scoped_nsobject<NSMutableArray> allTitleLayers_;
     68 
     69   // Manages the state of all layers.
     70   scoped_ptr<tabpose::TileSet> tileSet_;
     71 
     72   // The rectangle of the window that contains all layers. This is the
     73   // rectangle occupied by |bgLayer_|.
     74   NSRect containingRect_;
     75 
     76   // Informs us of added/removed/updated tabs.
     77   scoped_ptr<TabStripModelObserverBridge> tabStripModelObserverBridge_;
     78 
     79   // The icon used for the closebutton layers.
     80   base::scoped_nsobject<NSImage> closeIcon_;
     81 
     82   // True if all close layers should be shown (as opposed to just the close
     83   // layer of the currently selected thumbnail).
     84   BOOL showAllCloseLayers_;
     85 }
     86 
     87 // Shows a TabposeWindow on top of |parent|, with |rect| being the active area.
     88 // If |slomo| is YES, then the appearance animation is shown in slow motion.
     89 // The window blocks all keyboard and mouse events and releases itself when
     90 // closed.
     91 + (id)openTabposeFor:(NSWindow*)parent
     92                 rect:(NSRect)rect
     93                slomo:(BOOL)slomo
     94        tabStripModel:(TabStripModel*)tabStripModel;
     95 @end
     96 
     97 @interface TabposeWindow (TestingAPI)
     98 - (void)selectTileAtIndexWithoutAnimation:(int)newIndex;
     99 - (NSUInteger)thumbnailLayerCount;
    100 - (int)selectedIndex;
    101 @end
    102 
    103 #endif  // CHROME_BROWSER_UI_COCOA_TABPOSE_WINDOW_H_
    104