content/public/browser/interstitial_page_delegate.h

   1 // Copyright (c) 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 CONTENT_PUBLIC_BROWSER_INTERSTITIAL_PAGE_DELEGATE_H_
   6 #define CONTENT_PUBLIC_BROWSER_INTERSTITIAL_PAGE_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "content/common/content_export.h"
  11
  12 namespace content {
  13
  14 class NavigationEntry;
  15 struct RendererPreferences;
  16
  17 // Controls and provides the html for an interstitial page. The delegate is
  18 // owned by the InterstitialPage.
  19 class InterstitialPageDelegate {
  20  public:
  21   virtual ~InterstitialPageDelegate() {}
  22
  23   // Return the HTML that should be displayed in the page.
  24   virtual std::string GetHTMLContents() = 0;
  25
  26   // Called when the interstitial is proceeded or cancelled. Note that this may
  27   // be called by content directly even if the embedder didn't call Proceed or
  28   // DontProceed on InterstitialPage, since navigations etc may cancel them.
  29   virtual void OnProceed() {}
  30   virtual void OnDontProceed() {}
  31
  32   // Invoked when the page sent a command through DOMAutomation.
  33   virtual void CommandReceived(const std::string& command) {}
  34
  35   // Invoked with the NavigationEntry that is going to be added to the
  36   // navigation controller.
  37   // Gives an opportunity to delegates to set states on the |entry|.
  38   // Note that this is only called if the InterstitialPage was constructed with
  39   // |new_navigation| set to true.
  40   virtual void OverrideEntry(content::NavigationEntry* entry) {}
  41
  42   // Allows the delegate to override the renderer preferences structure that's
  43   // sent to the new RenderViewHost.
  44   virtual void OverrideRendererPrefs(content::RendererPreferences* prefs) {}
  45 };
  46
  47 }  // namespace content
  48
  49 #endif  // CONTENT_PUBLIC_BROWSER_INTERSTITIAL_PAGE_DELEGATE_H_