chrome/browser/android/transition_page_helper.h

   1 // Copyright 2015 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 #ifndef CHROME_BROWSER_ANDROID_TRANSITION_PAGE_HELPER_H_
   6 #define CHROME_BROWSER_ANDROID_TRANSITION_PAGE_HELPER_H_
   7
   8 #include "base/android/jni_android.h"
   9 #include "base/basictypes.h"
  10 #include "base/memory/scoped_ptr.h"
  11
  12 namespace content {
  13 class WebContents;
  14 }
  15
  16 class TransitionPageHelper {
  17  public:
  18   static TransitionPageHelper* FromJavaObject(JNIEnv* env, jobject jobj);
  19   static bool Register(JNIEnv* env);
  20
  21   TransitionPageHelper();
  22   virtual ~TransitionPageHelper();
  23
  24   void Destroy(JNIEnv* env, jobject jobj);
  25
  26   void SetWebContents(JNIEnv* env, jobject jobj, jobject jcontent_view_core);
  27   void ReleaseWebContents(JNIEnv* env, jobject jobj);
  28   void SetOpacity(JNIEnv* env,
  29                   jobject jobj,
  30                   jobject jcontent_view_core,
  31                   jfloat opacity);
  32
  33  private:
  34   scoped_ptr<content::WebContents> web_contents_;
  35
  36   DISALLOW_COPY_AND_ASSIGN(TransitionPageHelper);
  37 };
  38
  39 #endif  // CHROME_BROWSER_ANDROID_TRANSITION_PAGE_HELPER_H_