content/browser/android/background_sync_launcher_android.cc

   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 #include "content/browser/android/background_sync_launcher_android.h"
   6
   7 #include "content/public/browser/browser_thread.h"
   8 #include "jni/BackgroundSyncLauncher_jni.h"
   9
  10 namespace content {
  11
  12 namespace {
  13 base::LazyInstance<BackgroundSyncLauncherAndroid> g_background_sync_launcher =
  14     LAZY_INSTANCE_INITIALIZER;
  15 }
  16
  17 // static
  18 BackgroundSyncLauncherAndroid* BackgroundSyncLauncherAndroid::Get() {
  19   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  20
  21   return g_background_sync_launcher.Pointer();
  22 }
  23
  24 // static
  25 void BackgroundSyncLauncherAndroid::LaunchBrowserWhenNextOnline(
  26     const BackgroundSyncManager* registrant,
  27     bool launch_when_next_online) {
  28   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  29
  30   Get()->LaunchBrowserWhenNextOnlineImpl(registrant, launch_when_next_online);
  31 }
  32
  33 void BackgroundSyncLauncherAndroid::LaunchBrowserWhenNextOnlineImpl(
  34     const BackgroundSyncManager* registrant,
  35     bool launch_when_next_online) {
  36   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  37
  38   bool was_launching = !launch_when_next_online_registrants_.empty();
  39
  40   if (launch_when_next_online)
  41     launch_when_next_online_registrants_.insert(registrant);
  42   else
  43     launch_when_next_online_registrants_.erase(registrant);
  44
  45   bool now_launching = !launch_when_next_online_registrants_.empty();
  46   if (was_launching != now_launching) {
  47     JNIEnv* env = base::android::AttachCurrentThread();
  48     Java_BackgroundSyncLauncher_setLaunchWhenNextOnline(
  49         env, java_launcher_.obj(), now_launching);
  50   }
  51 }
  52
  53 // static
  54 bool BackgroundSyncLauncherAndroid::RegisterLauncher(JNIEnv* env) {
  55   return RegisterNativesImpl(env);
  56 }
  57
  58 BackgroundSyncLauncherAndroid::BackgroundSyncLauncherAndroid() {
  59   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  60
  61   JNIEnv* env = base::android::AttachCurrentThread();
  62   java_launcher_.Reset(Java_BackgroundSyncLauncher_create(
  63       env, base::android::GetApplicationContext()));
  64 }
  65
  66 BackgroundSyncLauncherAndroid::~BackgroundSyncLauncherAndroid() {
  67   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  68
  69   JNIEnv* env = base::android::AttachCurrentThread();
  70   Java_BackgroundSyncLauncher_destroy(env, java_launcher_.obj());
  71 }
  72
  73 }  // namespace content