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 "components/google/core/browser/google_util.h" 8 #include "content/public/browser/render_view_host.h" 9 #include "content/public/browser/web_contents.h" 10 #include "jni/VoiceSearchTabHelper_jni.h" 11 #include "webkit/common/webpreferences.h" 12 13 using content::WebContents; 14 15 // Register native methods RegisterVoiceSearchTabHelper(JNIEnv * env)16bool RegisterVoiceSearchTabHelper(JNIEnv* env) { 17 return RegisterNativesImpl(env); 18 } 19 UpdateAutoplayStatus(JNIEnv * env,jobject obj,jobject j_web_contents)20static void UpdateAutoplayStatus(JNIEnv* env, 21 jobject obj, 22 jobject j_web_contents) { 23 WebContents* web_contents = WebContents::FromJavaWebContents(j_web_contents); 24 content::RenderViewHost* host = web_contents->GetRenderViewHost(); 25 WebPreferences prefs = host->GetWebkitPreferences(); 26 27 // In the case where media autoplay has been enabled by default (e.g. in 28 // performance media tests) do not update it based on navigation changes. 29 // 30 // Note that GetWekitPreferences() is 'stateless'. It returns the default 31 // webkit preferences configuration from command line switches. 32 if (!prefs.user_gesture_required_for_media_playback) 33 return; 34 35 prefs.user_gesture_required_for_media_playback = 36 !google_util::IsGoogleSearchUrl(web_contents->GetLastCommittedURL()); 37 host->UpdateWebkitPreferences(prefs); 38 } 39