chrome/browser/android/precache/precache_launcher.h

   1 // Copyright 2014 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_PRECACHE_PRECACHE_LAUNCHER_H_
   6 #define CHROME_BROWSER_ANDROID_PRECACHE_PRECACHE_LAUNCHER_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/jni_android.h"
  11 #include "base/android/jni_weak_ref.h"
  12 #include "base/memory/weak_ptr.h"
  13
  14 class PrecacheLauncher {
  15  public:
  16   PrecacheLauncher(JNIEnv* env, jobject obj);
  17   void Destroy(JNIEnv* env, jobject obj);
  18   void Start(JNIEnv* env, jobject obj);
  19   void Cancel(JNIEnv* env, jobject obj);
  20
  21  private:
  22   ~PrecacheLauncher();
  23   // Called when precaching completes. |try_again_soon| is true iff the precache
  24   // failed to start due to a transient error and should be attempted again
  25   // soon.
  26   void OnPrecacheCompleted(bool try_again_soon);
  27
  28   JavaObjectWeakGlobalRef weak_java_precache_launcher_;
  29
  30   // This must be the last member field in the class.
  31   base::WeakPtrFactory<PrecacheLauncher> weak_factory_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(PrecacheLauncher);
  34 };
  35
  36 // Registers the native methods to be called from Java.
  37 bool RegisterPrecacheLauncher(JNIEnv* env);
  38
  39 #endif  // CHROME_BROWSER_ANDROID_PRECACHE_PRECACHE_LAUNCHER_H_