content/browser/web_contents/web_contents_android.cc

   1 // Copyright 2013 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/web_contents/web_contents_android.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/logging.h"
   9 #include "content/public/browser/browser_thread.h"
  10 #include "content/public/browser/web_contents.h"
  11 #include "jni/WebContentsImpl_jni.h"
  12
  13 using base::android::AttachCurrentThread;
  14
  15 namespace content {
  16
  17 // static
  18 WebContents* WebContents::FromJavaWebContents(
  19     jobject jweb_contents_android) {
  20   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  21   if (!jweb_contents_android)
  22     return NULL;
  23
  24   WebContentsAndroid* web_contents_android =
  25       reinterpret_cast<WebContentsAndroid*>(
  26           Java_WebContentsImpl_getNativePointer(AttachCurrentThread(),
  27                                                 jweb_contents_android));
  28   if (!web_contents_android)
  29     return NULL;
  30   return web_contents_android->web_contents();
  31 }
  32
  33 // static
  34 bool WebContentsAndroid::Register(JNIEnv* env) {
  35   return RegisterNativesImpl(env);
  36 }
  37
  38 WebContentsAndroid::WebContentsAndroid(WebContents* web_contents)
  39     : web_contents_(web_contents),
  40       navigation_controller_(&(web_contents->GetController())) {
  41   JNIEnv* env = AttachCurrentThread();
  42   obj_.Reset(env,
  43              Java_WebContentsImpl_create(
  44                  env,
  45                  reinterpret_cast<intptr_t>(this),
  46                  navigation_controller_.GetJavaObject().obj()).obj());
  47 }
  48
  49 WebContentsAndroid::~WebContentsAndroid() {
  50   Java_WebContentsImpl_destroy(AttachCurrentThread(), obj_.obj());
  51 }
  52
  53 base::android::ScopedJavaLocalRef<jobject>
  54 WebContentsAndroid::GetJavaObject() {
  55   return base::android::ScopedJavaLocalRef<jobject>(obj_);
  56 }
  57
  58 }  // namespace content