content/browser/web_contents/web_contents_android.h

// 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_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
#define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_

#include <jni.h>

#include "base/android/scoped_java_ref.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/supports_user_data.h"
#include "content/browser/frame_host/navigation_controller_android.h"
#include "content/common/content_export.h"

namespace content {

class WebContents;

// Android wrapper around WebContents 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 WebContentsAndroid
    : public base::SupportsUserData::Data {
 public:
  static bool Register(JNIEnv* env);

  explicit WebContentsAndroid(WebContents* web_contents);
  virtual ~WebContentsAndroid();

  WebContents* web_contents() const { return web_contents_; }

  base::android::ScopedJavaLocalRef<jobject> GetJavaObject();

  // Methods called from Java
  base::android::ScopedJavaLocalRef<jstring> GetTitle(JNIEnv* env,
                                                      jobject obj) const;
  base::android::ScopedJavaLocalRef<jstring> GetVisibleURL(JNIEnv* env,
                                                           jobject obj) const;
  void Stop(JNIEnv* env, jobject obj);

  void InsertCSS(JNIEnv* env, jobject jobj, jstring jcss);

 private:
  WebContents* web_contents_;
  NavigationControllerAndroid navigation_controller_;
  base::android::ScopedJavaGlobalRef<jobject> obj_;

  DISALLOW_COPY_AND_ASSIGN(WebContentsAndroid);
};

}  // namespace content

#endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_