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      1 // Copyright (c) 2011 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 "base/command_line.h"
      6 #include "base/mac/mac_util.h"
      7 #include "chrome/browser/background_mode_manager.h"
      8 #include "chrome/browser/browser_process.h"
      9 #include "chrome/browser/prefs/pref_service.h"
     10 #include "chrome/common/app_mode_common_mac.h"
     11 #include "chrome/common/chrome_switches.h"
     12 #include "chrome/common/pref_names.h"
     13 #include "content/browser/browser_thread.h"
     14 #include "grit/generated_resources.h"
     15 #include "ui/base/l10n/l10n_util.h"
     16 
     17 namespace {
     18 
     19 class DisableLaunchOnStartupTask : public Task {
     20  public:
     21   virtual void Run();
     22 };
     23 
     24 class EnableLaunchOnStartupTask : public Task {
     25  public:
     26   virtual void Run();
     27 };
     28 
     29 class SetUserCreatedLoginItemPrefTask : public Task {
     30  public:
     31   virtual void Run();
     32 };
     33 
     34 void DisableLaunchOnStartupTask::Run() {
     35   // Check if Chrome is not a login Item, or is a Login Item but w/o 'hidden'
     36   // flag - most likely user has modified the setting, don't override it.
     37   bool is_hidden = false;
     38   if (!base::mac::CheckLoginItemStatus(&is_hidden) || !is_hidden)
     39     return;
     40 
     41   base::mac::RemoveFromLoginItems();
     42 }
     43 
     44 void EnableLaunchOnStartupTask::Run() {
     45   // Return if Chrome is already a Login Item (avoid overriding user choice).
     46   if (base::mac::CheckLoginItemStatus(NULL)) {
     47     // Call back to the UI thread to set our preference so we don't delete the
     48     // user's login item when we disable launch on startup. There's a race
     49     // condition here if the user disables launch on startup before our callback
     50     // is run, but the user can manually disable "Open At Login" via the dock if
     51     // this happens.
     52     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
     53                             new SetUserCreatedLoginItemPrefTask());
     54     return;
     55   }
     56 
     57   base::mac::AddToLoginItems(true);  // Hide on startup.
     58 }
     59 
     60 void SetUserCreatedLoginItemPrefTask::Run() {
     61   PrefService* service = g_browser_process->local_state();
     62   service->SetBoolean(prefs::kUserCreatedLoginItem, true);
     63 }
     64 
     65 }  // namespace
     66 
     67 void BackgroundModeManager::EnableLaunchOnStartup(bool should_launch) {
     68   // This functionality is only defined for default profile, currently.
     69   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUserDataDir))
     70     return;
     71 
     72   if (should_launch) {
     73     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
     74                             new EnableLaunchOnStartupTask());
     75   } else {
     76     PrefService* service = g_browser_process->local_state();
     77     if (service->GetBoolean(prefs::kUserCreatedLoginItem)) {
     78       // We didn't create the login item, so nothing to do here.
     79       service->ClearPref(prefs::kUserCreatedLoginItem);
     80       return;
     81     }
     82     // Call to the File thread to remove the login item since it requires
     83     // accessing the disk.
     84     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
     85                             new DisableLaunchOnStartupTask());
     86   }
     87 }
     88 
     89 void BackgroundModeManager::DisplayAppInstalledNotification(
     90     const Extension* extension) {
     91   // TODO(atwilson): Display a platform-appropriate notification here.
     92   // http://crbug.com/74970
     93 }
     94 
     95 string16 BackgroundModeManager::GetPreferencesMenuLabel() {
     96   return l10n_util::GetStringUTF16(IDS_OPTIONS);
     97 }
     98