android_webview/native/aw_contents.cc

   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 "android_webview/native/aw_contents.h"
   6
   7 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
   8 #include "android_webview/native/aw_browser_dependency_factory.h"
   9 #include "android_webview/native/aw_contents_container.h"
  10 #include "android_webview/native/aw_web_contents_delegate.h"
  11 #include "base/android/jni_android.h"
  12 #include "base/android/jni_string.h"
  13 #include "base/bind.h"
  14 #include "base/callback.h"
  15 #include "base/supports_user_data.h"
  16 #include "content/public/browser/android/content_view_core.h"
  17 #include "content/public/browser/web_contents.h"
  18 #include "jni/AwContents_jni.h"
  19
  20 using base::android::AttachCurrentThread;
  21 using base::android::ConvertUTF16ToJavaString;
  22 using base::android::ScopedJavaGlobalRef;
  23 using base::android::ScopedJavaLocalRef;
  24 using content::ContentViewCore;
  25 using content::WebContents;
  26
  27 namespace android_webview {
  28
  29 namespace {
  30
  31 const void* kAwContentsUserDataKey = &kAwContentsUserDataKey;
  32
  33 class AwContentsUserData : public base::SupportsUserData::Data {
  34  public:
  35   AwContentsUserData(AwContents* ptr) : contents_(ptr) {}
  36   AwContents* get() { return contents_; }
  37
  38  private:
  39   AwContents* contents_;
  40 };
  41
  42 }  // namespace
  43
  44 // static
  45 AwContents* AwContents::FromWebContents(content::WebContents* web_contents) {
  46   if (web_contents) {
  47     AwContentsUserData* data = reinterpret_cast<AwContentsUserData*>(
  48               web_contents->GetUserData(kAwContentsUserDataKey));
  49     if (data) return data->get();
  50   }
  51   return NULL;
  52 }
  53
  54 AwContents::AwContents(JNIEnv* env,
  55                        jobject obj,
  56                        jobject web_contents_delegate,
  57                        bool private_browsing)
  58     : java_ref_(env, obj),
  59       web_contents_delegate_(
  60           new AwWebContentsDelegate(env, web_contents_delegate)) {
  61   android_webview::AwBrowserDependencyFactory* dependency_factory =
  62       android_webview::AwBrowserDependencyFactory::GetInstance();
  63   content::WebContents* web_contents =
  64       dependency_factory->CreateWebContents(private_browsing);
  65   contents_container_.reset(dependency_factory->CreateContentsContainer(
  66       web_contents));
  67   web_contents->SetDelegate(web_contents_delegate_.get());
  68   web_contents_delegate_->SetJavaScriptDialogCreator(
  69       dependency_factory->GetJavaScriptDialogCreator());
  70   web_contents->SetUserData(kAwContentsUserDataKey,
  71                             new AwContentsUserData(this));
  72   render_view_host_ext_.reset(new AwRenderViewHostExt(web_contents));
  73 }
  74
  75 AwContents::~AwContents() {
  76   content::WebContents* web_contents = contents_container_->GetWebContents();
  77   DCHECK(AwContents::FromWebContents(web_contents) == this);
  78   web_contents->RemoveUserData(kAwContentsUserDataKey);
  79 }
  80
  81 jint AwContents::GetWebContents(JNIEnv* env, jobject obj) {
  82   return reinterpret_cast<jint>(contents_container_->GetWebContents());
  83 }
  84
  85 void AwContents::Destroy(JNIEnv* env, jobject obj) {
  86   delete this;
  87 }
  88
  89 namespace {
  90 // |message| is passed as base::Owned, so it will automatically be deleted
  91 // when the callback goes out of scope.
  92 void DocumentHasImagesCallback(ScopedJavaGlobalRef<jobject>* message,
  93                                bool has_images) {
  94   Java_AwContents_onDocumentHasImagesResponse(AttachCurrentThread(),
  95                                               has_images,
  96                                               message->obj());
  97 }
  98 }  // namespace
  99
 100 void AwContents::DocumentHasImages(JNIEnv* env, jobject obj, jobject message) {
 101   render_view_host_ext_->DocumentHasImages(
 102       base::Bind(&DocumentHasImagesCallback,
 103                  base::Owned(new ScopedJavaGlobalRef<jobject>(
 104                     ScopedJavaLocalRef<jobject>(env, message)))));
 105 }
 106
 107 static jint Init(JNIEnv* env,
 108                  jobject obj,
 109                  jobject web_contents_delegate,
 110                  jboolean private_browsing) {
 111   AwContents* tab = new AwContents(env, obj, web_contents_delegate,
 112                                    private_browsing);
 113   return reinterpret_cast<jint>(tab);
 114 }
 115
 116 bool RegisterAwContents(JNIEnv* env) {
 117   return RegisterNativesImpl(env) >= 0;
 118 }
 119
 120
 121 }  // namespace android_webview