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 #include "base/mac/scoped_nsobject.h"
  10
  11 @protocol InfoBarViewProtocol;
  12 class InfoBarViewDelegate;
  13 namespace infobars {
  14 class InfoBarDelegate;
  15 }
  16
  17 // InfoBar for iOS acts as a UIViewController for InfoBarView.
  18 @interface InfoBarController : NSObject
  19
  20 @property(nonatomic, readonly) InfoBarViewDelegate* delegate;
  21
  22 // Designated initializer.
  23 - (instancetype)initWithDelegate:(InfoBarViewDelegate*)delegate
  24     NS_DESIGNATED_INITIALIZER;
  25
  26 // Creates a view and lays out all the infobar elements in it. Will not add
  27 // it as a subview yet. This method must be overriden in subclasses.
  28 - (base::scoped_nsobject<UIView<InfoBarViewProtocol>>)
  29     viewForDelegate:(infobars::InfoBarDelegate*)delegate
  30               frame:(CGRect)bounds;
  31
  32 // Creates the view.
  33 - (void)layoutForDelegate:(infobars::InfoBarDelegate*)delegate
  34                     frame:(CGRect)bounds;
  35
  36 // Detaches view from its delegate.
  37 // After this function is called, no user interaction can be handled.
  38 - (void)detachView;
  39
  40 // Returns the actual height in pixels of this infobar instance.
  41 - (int)barHeight;
  42
  43 // Adjusts visible portion of this infobar.
  44 - (void)onHeightsRecalculated:(int)newHeight;
  45
  46 // Removes the view.
  47 - (void)removeView;
  48
  49 // Accesses the view.
  50 - (UIView<InfoBarViewProtocol>*)view;
  51
  52 @end
  53
  54 #endif  // IOS_CHROME_BROWSER_INFOBARS_INFOBAR_CONTROLLER_H_