text: // Copyright 2013 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef CONTENT_BROWSER_RENDERER_HOST_NAVIGATION_CONTROLLER_ANDROID_H_
  #define CONTENT_BROWSER_RENDERER_HOST_NAVIGATION_CONTROLLER_ANDROID_H_
  
  #include <jni.h>
  
  #include "base/android/scoped_java_ref.h"
  #include "base/compiler_specific.h"
  #include "base/macros.h"
  #include "content/common/content_export.h"
  
  namespace content {
  
  class NavigationControllerImpl;
  
  // Android wrapper around NavigationController that provides safer passage
  // from java and back to native and provides java with a means of communicating
  // with its native counterpart.
  class CONTENT_EXPORT NavigationControllerAndroid {
   public:
    explicit NavigationControllerAndroid(
        NavigationControllerImpl* navigation_controller);
    ~NavigationControllerAndroid();
  
    NavigationControllerImpl* navigation_controller() const {
      return navigation_controller_;
    }
  
    base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
  
    jboolean CanGoBack(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& obj);
    jboolean CanGoForward(JNIEnv* env,
                          const base::android::JavaParamRef<jobject>& obj);
    jboolean CanGoToOffset(JNIEnv* env,
                           const base::android::JavaParamRef<jobject>& obj,
                           jint offset);
    void GoBack(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
    void GoForward(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
    void GoToOffset(JNIEnv* env,
                    const base::android::JavaParamRef<jobject>& obj,
                    jint offset);
    jboolean IsInitialNavigation(JNIEnv* env,
                                 const base::android::JavaParamRef<jobject>& obj);
    void LoadIfNecessary(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& obj);
    void ContinuePendingReload(JNIEnv* env,
                               const base::android::JavaParamRef<jobject>& obj);
    void Reload(JNIEnv* env,
                const base::android::JavaParamRef<jobject>& obj,
                jboolean check_for_repost);
    void ReloadBypassingCache(JNIEnv* env,
                              const base::android::JavaParamRef<jobject>& obj,
                              jboolean check_for_repost);
    jboolean NeedsReload(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& obj);
    void SetNeedsReload(JNIEnv* env,
                        const base::android::JavaParamRef<jobject>& obj);
    void CancelPendingReload(JNIEnv* env,
                             const base::android::JavaParamRef<jobject>& obj);
    void GoToNavigationIndex(JNIEnv* env,
                             const base::android::JavaParamRef<jobject>& obj,
                             jint index);
    void LoadUrl(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        const base::android::JavaParamRef<jstring>& url,
        jint load_url_type,
        jint transition_type,
        const base::android::JavaParamRef<jstring>& j_referrer_url,
        jint referrer_policy,
        jint ua_override_option,
        const base::android::JavaParamRef<jstring>& extra_headers,
        const base::android::JavaParamRef<jobject>& j_post_data,
        const base::android::JavaParamRef<jstring>& base_url_for_data_url,
        const base::android::JavaParamRef<jstring>& virtual_url_for_data_url,
        const base::android::JavaParamRef<jstring>& data_url_as_string,
        jboolean can_load_local_resources,
        jboolean is_renderer_initiated,
        jboolean should_replace_current_entry,
        const base::android::JavaParamRef<jobject>& j_initiator_origin,
        jboolean has_user_gesture,
        jboolean should_clear_history_list,
        jlong input_start);
    void ClearSslPreferences(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    bool GetUseDesktopUserAgent(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    void SetUseDesktopUserAgent(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */,
        jboolean state,
        jboolean reload_on_state_change);
    base::android::ScopedJavaLocalRef<jobject> GetEntryAtIndex(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        int index);
    base::android::ScopedJavaLocalRef<jobject> GetVisibleEntry(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    base::android::ScopedJavaLocalRef<jobject> GetPendingEntry(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    int GetNavigationHistory(JNIEnv* env,
                             const base::android::JavaParamRef<jobject>& obj,
                             const base::android::JavaParamRef<jobject>& history);
    void GetDirectedNavigationHistory(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        const base::android::JavaParamRef<jobject>& history,
        jboolean is_forward,
        jint max_entries);
    void ClearHistory(JNIEnv* env,
                      const base::android::JavaParamRef<jobject>& obj);
    int GetLastCommittedEntryIndex(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    jboolean RemoveEntryAtIndex(JNIEnv* env,
                                const base::android::JavaParamRef<jobject>& obj,
                                jint index);
    void PruneForwardEntries(JNIEnv* env,
                             const base::android::JavaParamRef<jobject>& obj);
    base::android::ScopedJavaLocalRef<jstring> GetEntryExtraData(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint index,
        const base::android::JavaParamRef<jstring>& jkey);
    void SetEntryExtraData(JNIEnv* env,
                           const base::android::JavaParamRef<jobject>& obj,
                           jint index,
                           const base::android::JavaParamRef<jstring>& jkey,
                           const base::android::JavaParamRef<jstring>& jvalue);
    jboolean IsEntryMarkedToBeSkipped(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint index);
  
   private:
    NavigationControllerImpl* navigation_controller_;
    base::android::ScopedJavaGlobalRef<jobject> obj_;
  
    DISALLOW_COPY_AND_ASSIGN(NavigationControllerAndroid);
  };
  
  }  // namespace content
  
  #endif  // CONTENT_BROWSER_RENDERER_HOST_NAVIGATION_CONTROLLER_ANDROID_H_
  