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      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 #include "content/browser/android/content_settings.h"
      6 
      7 #include "base/android/jni_android.h"
      8 #include "content/browser/android/content_view_core_impl.h"
      9 #include "content/browser/renderer_host/render_view_host_delegate.h"
     10 #include "content/browser/renderer_host/render_view_host_impl.h"
     11 #include "content/public/browser/web_contents.h"
     12 #include "jni/ContentSettings_jni.h"
     13 #include "webkit/common/webpreferences.h"
     14 
     15 namespace content {
     16 
     17 ContentSettings::ContentSettings(JNIEnv* env,
     18                          jobject obj,
     19                          WebContents* contents)
     20     : WebContentsObserver(contents),
     21       content_settings_(env, obj) {
     22 }
     23 
     24 ContentSettings::~ContentSettings() {
     25   JNIEnv* env = base::android::AttachCurrentThread();
     26   ScopedJavaLocalRef<jobject> obj = content_settings_.get(env);
     27   if (obj.obj()) {
     28     Java_ContentSettings_onNativeContentSettingsDestroyed(env, obj.obj(),
     29         reinterpret_cast<jint>(this));
     30   }
     31 }
     32 
     33 // static
     34 bool ContentSettings::RegisterContentSettings(JNIEnv* env) {
     35   return RegisterNativesImpl(env);
     36 }
     37 
     38 bool ContentSettings::GetJavaScriptEnabled(JNIEnv* env, jobject obj) {
     39   RenderViewHost* render_view_host = web_contents()->GetRenderViewHost();
     40   if (!render_view_host)
     41     return false;
     42   return render_view_host->GetDelegate()->GetWebkitPrefs().javascript_enabled;
     43 }
     44 
     45 void ContentSettings::WebContentsDestroyed(WebContents* web_contents) {
     46   delete this;
     47 }
     48 
     49 static jint Init(JNIEnv* env, jobject obj, jint nativeContentViewCore) {
     50   WebContents* web_contents =
     51       reinterpret_cast<ContentViewCoreImpl*>(nativeContentViewCore)
     52           ->GetWebContents();
     53   ContentSettings* content_settings =
     54       new ContentSettings(env, obj, web_contents);
     55   return reinterpret_cast<jint>(content_settings);
     56 }
     57 
     58 }  // namespace content
     59