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