ios/web/interstitials/html_web_interstitial_impl.h

   1 // Copyright 2015 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_WEB_INTERSTITIALS_HTML_WEB_INTERSTITIAL_IMPL_H_
   6 #define IOS_WEB_INTERSTITIALS_HTML_WEB_INTERSTITIAL_IMPL_H_
   7
   8 #import <UIKit/UIKit.h>
   9
  10 #include "base/mac/scoped_nsobject.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "ios/web/interstitials/web_interstitial_impl.h"
  13
  14 @protocol CRWSimpleWebViewController;
  15 @protocol CRWSimpleWebViewControllerDelegate;
  16
  17 namespace web {
  18
  19 class HtmlWebInterstitialDelegate;
  20 class HtmlWebInterstitialImpl;
  21
  22 // A concrete subclass of WebInterstitialImpl that is used to display
  23 // interstitials created via HTML.
  24 class HtmlWebInterstitialImpl : public WebInterstitialImpl {
  25  public:
  26   HtmlWebInterstitialImpl(WebStateImpl* web_state,
  27                           const GURL& url,
  28                           scoped_ptr<HtmlWebInterstitialDelegate> delegate);
  29   ~HtmlWebInterstitialImpl() override;
  30
  31   // Called by |web_view_controller_delegate_| when |web_view_controller_|
  32   // receives a JavaScript command.
  33   void CommandReceivedFromWebView(NSString* command);
  34
  35   // WebInterstitialImpl implementation:
  36   CRWContentView* GetContentView() const override;
  37
  38  protected:
  39   // WebInterstitialImpl implementation:
  40   void PrepareForDisplay() override;
  41   WebInterstitialDelegate* GetDelegate() const override;
  42   void EvaluateJavaScript(NSString* script,
  43                           JavaScriptCompletion completionHandler) override;
  44
  45  private:
  46   // The HTML interstitial delegate.
  47   scoped_ptr<HtmlWebInterstitialDelegate> delegate_;
  48   // The |web_view_controller_|'s delegate.  Used to forward JavaScript commands
  49   // resulting from user interaction with the interstitial content.
  50   base::scoped_nsprotocol<id<CRWSimpleWebViewControllerDelegate>>
  51       web_view_controller_delegate_;
  52   // The CRWSimpleWebViewController that contains the web view used to show the
  53   // content. View needs to be resized by the caller.
  54   base::scoped_nsprotocol<id<CRWSimpleWebViewController>> web_view_controller_;
  55   // The CRWContentView used to display |web_view_controller_|'s view.
  56   base::scoped_nsobject<CRWContentView> content_view_;
  57 };
  58
  59 }  // namespace web
  60
  61 #endif  // IOS_WEB_INTERSTITIALS_HTML_WEB_INTERSTITIAL_IMPL_H_