ios/chrome/browser/infobars/infobar_controller.h

   1 // Copyright 2012 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 IOS_CHROME_BROWSER_INFOBARS_INFOBAR_CONTROLLER_H_
   6 #define IOS_CHROME_BROWSER_INFOBARS_INFOBAR_CONTROLLER_H_
   7
   8 #import <UIKit/UIKit.h>
   9
  10 #include "base/basictypes.h"
  11 #include "base/mac/scoped_nsobject.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "components/infobars/core/infobar.h"
  14
  15 @protocol InfoBarViewProtocol;
  16 class InfoBarViewDelegate;
  17
  18 // InfoBar for iOS acts as a UIViewController for InfoBarView.
  19 @interface InfoBarController : NSObject {
  20  @protected
  21   base::scoped_nsobject<UIView<InfoBarViewProtocol>> infoBarView_;
  22   __weak InfoBarViewDelegate* delegate_;
  23 }
  24
  25 // Creates a view and lays out all the infobar elements in it. Will not add
  26 // it as a subview yet. This method must be overriden in subclasses.
  27 - (void)layoutForDelegate:(infobars::InfoBarDelegate*)delegate
  28                     frame:(CGRect)bounds;
  29
  30 // Designated initializer.
  31 - (instancetype)initWithDelegate:(InfoBarViewDelegate*)delegate;
  32
  33 // Detaches view from its delegate.
  34 // After this function is called, no user interaction can be handled.
  35 - (void)detachView;
  36
  37 // Returns the actual height in pixels of this infobar instance.
  38 - (int)barHeight;
  39
  40 // Adjusts visible portion of this infobar.
  41 - (void)onHeightsRecalculated:(int)newHeight;
  42
  43 // Removes the view.
  44 - (void)removeView;
  45
  46 // Accesses the view.
  47 - (UIView*)view;
  48
  49 @end
  50
  51 #endif  // IOS_CHROME_BROWSER_INFOBARS_INFOBAR_CONTROLLER_H_