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      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/frame_host/navigation_controller_android.h"
      6 
      7 #include "base/android/jni_android.h"
      8 #include "content/public/browser/navigation_controller.h"
      9 #include "jni/NavigationControllerImpl_jni.h"
     10 
     11 using base::android::AttachCurrentThread;
     12 
     13 namespace content {
     14 
     15 // static
     16 bool NavigationControllerAndroid::Register(JNIEnv* env) {
     17   return RegisterNativesImpl(env);
     18 }
     19 
     20 NavigationControllerAndroid::NavigationControllerAndroid(
     21     NavigationController* navigation_controller)
     22     : navigation_controller_(navigation_controller) {
     23   JNIEnv* env = AttachCurrentThread();
     24   obj_.Reset(env,
     25              Java_NavigationControllerImpl_create(
     26                  env, reinterpret_cast<intptr_t>(this)).obj());
     27 }
     28 
     29 NavigationControllerAndroid::~NavigationControllerAndroid() {
     30   Java_NavigationControllerImpl_destroy(AttachCurrentThread(), obj_.obj());
     31 }
     32 
     33 base::android::ScopedJavaLocalRef<jobject>
     34 NavigationControllerAndroid::GetJavaObject() {
     35   return base::android::ScopedJavaLocalRef<jobject>(obj_);
     36 }
     37 
     38 jboolean NavigationControllerAndroid::CanGoBack(JNIEnv* env, jobject obj) {
     39   return navigation_controller_->CanGoBack();
     40 }
     41 
     42 jboolean NavigationControllerAndroid::CanGoForward(JNIEnv* env,
     43                                                    jobject obj) {
     44   return navigation_controller_->CanGoForward();
     45 }
     46 
     47 jboolean NavigationControllerAndroid::CanGoToOffset(JNIEnv* env,
     48                                                     jobject obj,
     49                                                     jint offset) {
     50   return navigation_controller_->CanGoToOffset(offset);
     51 }
     52 
     53 void NavigationControllerAndroid::GoBack(JNIEnv* env, jobject obj) {
     54   navigation_controller_->GoBack();
     55 }
     56 
     57 void NavigationControllerAndroid::GoForward(JNIEnv* env, jobject obj) {
     58   navigation_controller_->GoForward();
     59 }
     60 
     61 void NavigationControllerAndroid::GoToOffset(JNIEnv* env,
     62                                              jobject obj,
     63                                              jint offset) {
     64   navigation_controller_->GoToOffset(offset);
     65 }
     66 
     67 void NavigationControllerAndroid::GoToNavigationIndex(JNIEnv* env,
     68                                                       jobject obj,
     69                                                       jint index) {
     70   navigation_controller_->GoToIndex(index);
     71 }
     72 
     73 }  // namespace content
     74