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/android/jni_string.h"
   9 #include "base/logging.h"
  10 #include "content/public/browser/browser_thread.h"
  11 #include "content/public/browser/web_contents.h"
  12 #include "jni/WebContentsImpl_jni.h"
  13
  14 using base::android::AttachCurrentThread;
  15
  16 namespace content {
  17
  18 // static
  19 WebContents* WebContents::FromJavaWebContents(
  20     jobject jweb_contents_android) {
  21   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  22   if (!jweb_contents_android)
  23     return NULL;
  24
  25   WebContentsAndroid* web_contents_android =
  26       reinterpret_cast<WebContentsAndroid*>(
  27           Java_WebContentsImpl_getNativePointer(AttachCurrentThread(),
  28                                                 jweb_contents_android));
  29   if (!web_contents_android)
  30     return NULL;
  31   return web_contents_android->web_contents();
  32 }
  33
  34 // static
  35 bool WebContentsAndroid::Register(JNIEnv* env) {
  36   return RegisterNativesImpl(env);
  37 }
  38
  39 WebContentsAndroid::WebContentsAndroid(WebContents* web_contents)
  40     : web_contents_(web_contents),
  41       navigation_controller_(&(web_contents->GetController())) {
  42   JNIEnv* env = AttachCurrentThread();
  43   obj_.Reset(env,
  44              Java_WebContentsImpl_create(
  45                  env,
  46                  reinterpret_cast<intptr_t>(this),
  47                  navigation_controller_.GetJavaObject().obj()).obj());
  48 }
  49
  50 WebContentsAndroid::~WebContentsAndroid() {
  51   Java_WebContentsImpl_destroy(AttachCurrentThread(), obj_.obj());
  52 }
  53
  54 base::android::ScopedJavaLocalRef<jobject>
  55 WebContentsAndroid::GetJavaObject() {
  56   return base::android::ScopedJavaLocalRef<jobject>(obj_);
  57 }
  58
  59 ScopedJavaLocalRef<jstring> WebContentsAndroid::GetTitle(
  60     JNIEnv* env, jobject obj) const {
  61   return base::android::ConvertUTF16ToJavaString(env,
  62                                                  web_contents_->GetTitle());
  63 }
  64
  65 void WebContentsAndroid::Stop(JNIEnv* env, jobject obj) {
  66   web_contents_->Stop();
  67 }
  68
  69 }  // namespace content