chrome/browser/android/contextualsearch/contextual_search_tab_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_CONTEXTUALSEARCH_CONTEXTUAL_SEARCH_TAB_HELPER_H_
   6 #define CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_CONTEXTUAL_SEARCH_TAB_HELPER_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/jni_weak_ref.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/prefs/pref_change_registrar.h"
  14
  15 class Profile;
  16
  17 class ContextualSearchTabHelper {
  18  public:
  19   ContextualSearchTabHelper(JNIEnv* env, jobject obj, Profile* profile);
  20   void Destroy(JNIEnv* env, jobject obj);
  21
  22  private:
  23   ~ContextualSearchTabHelper();
  24   void OnContextualSearchPrefChanged();
  25
  26   JavaObjectWeakGlobalRef weak_java_ref_;
  27   scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
  28   base::WeakPtrFactory<ContextualSearchTabHelper> weak_factory_;
  29   DISALLOW_COPY_AND_ASSIGN(ContextualSearchTabHelper);
  30 };
  31
  32 bool RegisterContextualSearchTabHelper(JNIEnv* env);
  33
  34 #endif  // CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_CONTEXTUAL_SEARCH_TAB_HELPER_H_