chrome/browser/android/most_visited_sites.h

   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 #ifndef CHROME_BROWSER_ANDROID_MOST_VISITED_SITES_H_
   6 #define CHROME_BROWSER_ANDROID_MOST_VISITED_SITES_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/scoped_java_ref.h"
  11 #include "base/compiler_specific.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "content/public/browser/notification_observer.h"
  14 #include "content/public/browser/notification_registrar.h"
  15
  16 // Provides the list of most visited sites and their thumbnails to Java.
  17 class MostVisitedSites : public content::NotificationObserver {
  18  public:
  19   explicit MostVisitedSites(Profile* profile);
  20   void Destroy(JNIEnv* env, jobject obj);
  21   void SetMostVisitedURLsObserver(JNIEnv* env,
  22                                   jobject obj,
  23                                   jobject j_observer,
  24                                   jint num_sites);
  25   void GetURLThumbnail(JNIEnv* env,
  26                        jobject obj,
  27                        jstring url,
  28                        jobject j_callback);
  29   void BlacklistUrl(JNIEnv* env, jobject obj, jstring j_url);
  30
  31   // content::NotificationObserver implementation.
  32   virtual void Observe(int type,
  33                        const content::NotificationSource& source,
  34                        const content::NotificationDetails& details) OVERRIDE;
  35
  36   // Registers JNI methods.
  37   static bool Register(JNIEnv* env);
  38
  39  private:
  40   virtual ~MostVisitedSites();
  41   void QueryMostVisitedURLs();
  42
  43   // The profile whose most visited sites will be queried.
  44   Profile* profile_;
  45
  46   // The observer to be notified when the list of most visited sites changes.
  47   base::android::ScopedJavaGlobalRef<jobject> observer_;
  48
  49   // The maximum number of most visited sites to return.
  50   int num_sites_;
  51
  52   content::NotificationRegistrar registrar_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(MostVisitedSites);
  55 };
  56
  57 #endif  // CHROME_BROWSER_ANDROID_MOST_VISITED_SITES_H_