chrome/browser/ui/cocoa/infobars/infobar_container_controller.h

   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_INFOBARS_INFOBAR_CONTAINER_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_COCOA_INFOBARS_INFOBAR_CONTAINER_CONTROLLER_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #include "base/mac/scoped_nsobject.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #import "chrome/browser/ui/cocoa/view_resizer.h"
  13
  14 @class BrowserWindowController;
  15 @class InfoBarController;
  16 class InfoBarCocoa;
  17 class InfoBarContainerCocoa;
  18 class TabStripModel;
  19
  20 namespace content {
  21 class WebContents;
  22 }
  23
  24 namespace infobars {
  25 class InfoBarDelegate;
  26 }
  27
  28 // Protocol for basic container methods, as needed by an InfoBarController.
  29 // This protocol exists to make mocking easier in unittests.
  30 @protocol InfoBarContainerControllerBase
  31 - (BOOL)shouldSuppressTopInfoBarTip;
  32 - (CGFloat)infobarArrowX;
  33 @end
  34
  35 // Controller for the infobar container view, which is the superview
  36 // of all the infobar views.  This class owns zero or more
  37 // InfoBarControllers, which manage the infobar views.  This class
  38 // also receives tab strip model notifications and handles
  39 // adding/removing infobars when needed.
  40 @interface InfoBarContainerController
  41     : NSViewController<InfoBarContainerControllerBase> {
  42  @private
  43   // Needed to send resize messages when infobars are added or removed.
  44   id<ViewResizer> resizeDelegate_;  // weak
  45
  46   // The WebContents we are currently showing infobars for.
  47   content::WebContents* currentWebContents_;  // weak
  48
  49   // Holds the InfoBarControllers currently owned by this container.
  50   base::scoped_nsobject<NSMutableArray> infobarControllers_;
  51
  52   // The C++ instance that bridges to the cross platform code.
  53   scoped_ptr<InfoBarContainerCocoa> containerCocoa_;
  54
  55   // If YES then the first info bar doesn't draw a tip.
  56   BOOL shouldSuppressTopInfoBarTip_;
  57
  58   // The x-position of the infobar arrow.
  59   CGFloat infobarArrowX_;
  60
  61   // If YES then an infobar animation is in progress.
  62   BOOL isAnimating_;
  63 }
  64
  65 @property(nonatomic, assign) BOOL shouldSuppressTopInfoBarTip;
  66 @property(nonatomic, assign) CGFloat infobarArrowX;
  67
  68 - (id)initWithResizeDelegate:(id<ViewResizer>)resizeDelegate;
  69
  70 // Modifies this container to display infobars for the given |contents|.
  71 - (void)changeWebContents:(content::WebContents*)contents;
  72
  73 // Stripped down version of TabStripModelObserverBridge:tabDetachedWithContents.
  74 // Forwarded by BWC. Removes all infobars if |contents| is the current tab
  75 // contents.
  76 - (void)tabDetachedWithContents:(content::WebContents*)contents;
  77
  78 // Returns the amount of additional height the container view needs to draw the
  79 // anti-spoofing tip. This is the total amount of overlap for all infobars.
  80 - (CGFloat)overlappingTipHeight;
  81
  82 // Adds the given infobar.
  83 - (void)addInfoBar:(InfoBarCocoa*)infobar
  84           position:(NSUInteger)position;
  85
  86 // Removes the given infobar.
  87 - (void)removeInfoBar:(InfoBarCocoa*)infobar;
  88
  89 // Positions the infobar views in the container view and notifies
  90 // |browser_controller_| that it needs to resize the container view.
  91 - (void)positionInfoBarsAndRedraw:(BOOL)isAnimating;
  92
  93 // Set the max arrow height of the top infobar.
  94 - (void)setMaxTopArrowHeight:(NSInteger)height;
  95
  96 // The height of all the info bars. Does not include the top arrow.
  97 - (CGFloat)heightOfInfoBars;
  98
  99 @end
 100
 101 #endif  // CHROME_BROWSER_UI_COCOA_INFOBARS_INFOBAR_CONTAINER_CONTROLLER_H_