chrome/browser/android/voice_search_tab_helper.h

   1 // Copyright 2014 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_ANDROID_VOICE_SEARCH_TAB_HELPER_H_
   6 #define CHROME_BROWSER_ANDROID_VOICE_SEARCH_TAB_HELPER_H_
   7
   8 #include "base/macros.h"
   9 #include "content/public/browser/web_contents_observer.h"
  10 #include "content/public/browser/web_contents_user_data.h"
  11
  12 // Tab helper to toggle media autoplay for voice URL searches.
  13 class VoiceSearchTabHelper
  14     : public content::WebContentsObserver,
  15       public content::WebContentsUserData<VoiceSearchTabHelper> {
  16  public:
  17   ~VoiceSearchTabHelper() override;
  18
  19   // content::WebContentsObserver overrides.
  20   void NavigationEntryCommitted(
  21       const content::LoadCommittedDetails& load_details) override;
  22
  23  private:
  24   explicit VoiceSearchTabHelper(content::WebContents* contents);
  25   friend class content::WebContentsUserData<VoiceSearchTabHelper>;
  26
  27   bool gesture_requirement_for_playback_disabled_;
  28
  29   DISALLOW_COPY_AND_ASSIGN(VoiceSearchTabHelper);
  30 };
  31
  32 #endif  // CHROME_BROWSER_ANDROID_VOICE_SEARCH_TAB_HELPER_H_