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 - (BrowserWindowController*)browserWindowController;
  32 - (BOOL)shouldSuppressTopInfoBarTip;
  33 - (CGFloat)infobarArrowX;
  34 @end
  35
  36 // Controller for the infobar container view, which is the superview
  37 // of all the infobar views.  This class owns zero or more
  38 // InfoBarControllers, which manage the infobar views.  This class
  39 // also receives tab strip model notifications and handles
  40 // adding/removing infobars when needed.
  41 @interface InfoBarContainerController
  42     : NSViewController<InfoBarContainerControllerBase> {
  43  @private
  44   // Needed to send resize messages when infobars are added or removed.
  45   id<ViewResizer> resizeDelegate_;  // weak
  46
  47   // The WebContents we are currently showing infobars for.
  48   content::WebContents* currentWebContents_;  // weak
  49
  50   // Holds the InfoBarControllers currently owned by this container.
  51   base::scoped_nsobject<NSMutableArray> infobarControllers_;
  52
  53   // The C++ instance that bridges to the cross platform code.
  54   scoped_ptr<InfoBarContainerCocoa> containerCocoa_;
  55
  56   // If YES then the first info bar doesn't draw a tip.
  57   BOOL shouldSuppressTopInfoBarTip_;
  58
  59   // If YES then an infobar animation is in progress.
  60   BOOL isAnimating_;
  61
  62   // The last overlap tip height. This is used to ensure that the info bar
  63   // position is updated if the infobar height doesn't change but the overlap
  64   // does change.
  65   int oldOverlappingTipHeight_;
  66 }
  67
  68 @property(nonatomic, assign) BOOL shouldSuppressTopInfoBarTip;
  69
  70 - (id)initWithResizeDelegate:(id<ViewResizer>)resizeDelegate;
  71
  72 // Modifies this container to display infobars for the given |contents|.
  73 - (void)changeWebContents:(content::WebContents*)contents;
  74
  75 // Stripped down version of TabStripModelObserverBridge:tabDetachedWithContents.
  76 // Forwarded by BWC. Removes all infobars if |contents| is the current tab
  77 // contents.
  78 - (void)tabDetachedWithContents:(content::WebContents*)contents;
  79
  80 // Returns the amount of additional height the container view needs to draw the
  81 // anti-spoofing tip. This is the total amount of overlap for all infobars.
  82 - (CGFloat)overlappingTipHeight;
  83
  84 // Adds the given infobar.
  85 - (void)addInfoBar:(InfoBarCocoa*)infobar
  86           position:(NSUInteger)position;
  87
  88 // Removes the given infobar.
  89 - (void)removeInfoBar:(InfoBarCocoa*)infobar;
  90
  91 // Positions the infobar views in the container view and notifies
  92 // |browser_controller_| that it needs to resize the container view.
  93 - (void)positionInfoBarsAndRedraw:(BOOL)isAnimating;
  94
  95 @end
  96
  97 #endif  // CHROME_BROWSER_UI_COCOA_INFOBARS_INFOBAR_CONTAINER_CONTROLLER_H_