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 #include "chrome/browser/android/voice_search_tab_helper.h" 6 7 #include "base/command_line.h" 8 #include "components/google/core/browser/google_util.h" 9 #include "content/public/browser/render_view_host.h" 10 #include "content/public/browser/web_contents.h" 11 #include "content/public/common/content_switches.h" 12 #include "content/public/common/web_preferences.h" 13 #include "jni/VoiceSearchTabHelper_jni.h" 14 15 using content::WebContents; 16 17 // Register native methods 18 bool RegisterVoiceSearchTabHelper(JNIEnv* env) { 19 return RegisterNativesImpl(env); 20 } 21 22 static void UpdateAutoplayStatus(JNIEnv* env, 23 jobject obj, 24 jobject j_web_contents) { 25 // In the case where media autoplay has been disabled by default (e.g. in 26 // performance media tests) do not update it based on navigation changes. 27 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 28 if (command_line.HasSwitch( 29 switches::kDisableGestureRequirementForMediaPlayback)) 30 return; 31 32 WebContents* web_contents = WebContents::FromJavaWebContents(j_web_contents); 33 content::RenderViewHost* host = web_contents->GetRenderViewHost(); 34 content::WebPreferences prefs = host->GetWebkitPreferences(); 35 36 bool gesture_required = 37 !google_util::IsGoogleSearchUrl(web_contents->GetLastCommittedURL()); 38 39 if (gesture_required != prefs.user_gesture_required_for_media_playback) { 40 // TODO(chrishtr): this is wrong. user_gesture_required_for_media_playback 41 // will be reset the next time a preference changes. 42 prefs.user_gesture_required_for_media_playback = 43 !google_util::IsGoogleSearchUrl(web_contents->GetLastCommittedURL()); 44 host->UpdateWebkitPreferences(prefs); 45 } 46 } 47
