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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 "chrome/browser/chromeos/notifications/system_notification.h"
      6 
      7 #include "base/callback.h"
      8 #include "chrome/browser/browser_process.h"
      9 #include "chrome/browser/chromeos/notifications/system_notification_factory.h"
     10 #include "chrome/browser/notifications/notification.h"
     11 #include "chrome/browser/notifications/notification_ui_manager.h"
     12 #include "chrome/browser/ui/webui/web_ui_util.h"
     13 
     14 namespace chromeos {
     15 
     16 void SystemNotification::Init(int icon_resource_id) {
     17   collection_ = static_cast<BalloonCollectionImpl*>(
     18        g_browser_process->notification_ui_manager()->balloon_collection());
     19   std::string url = web_ui_util::GetImageDataUrlFromResource(icon_resource_id);
     20   DCHECK(!url.empty());
     21   GURL tmp_gurl(url);
     22   icon_.Swap(&tmp_gurl);
     23 }
     24 
     25 SystemNotification::SystemNotification(Profile* profile,
     26                                        NotificationDelegate* delegate,
     27                                        int icon_resource_id,
     28                                        const string16& title)
     29     : profile_(profile),
     30       collection_(NULL),
     31       delegate_(delegate),
     32       title_(title),
     33       visible_(false),
     34       urgent_(false) {
     35   Init(icon_resource_id);
     36 }
     37 
     38 SystemNotification::SystemNotification(Profile* profile,
     39                                        const std::string& id,
     40                                        int icon_resource_id,
     41                                        const string16& title)
     42     : profile_(profile),
     43       collection_(NULL),
     44       delegate_(new Delegate(id)),
     45       title_(title),
     46       visible_(false),
     47       urgent_(false) {
     48   Init(icon_resource_id);
     49 }
     50 
     51 SystemNotification::~SystemNotification() {
     52 }
     53 
     54 void SystemNotification::Show(const string16& message,
     55                               bool urgent,
     56                               bool sticky) {
     57   Show(message, string16(), NULL, urgent, sticky);
     58 }
     59 
     60 void SystemNotification::Show(const string16& message,
     61                               const string16& link,
     62                               MessageCallback* callback,
     63                               bool urgent,
     64                               bool sticky) {
     65   Notification notify = SystemNotificationFactory::Create(icon_,
     66       title_, message, link, delegate_.get());
     67   if (visible_) {
     68     // Force showing a user hidden notification on an urgent transition.
     69     if (urgent && !urgent_) {
     70       collection_->UpdateAndShowNotification(notify);
     71     } else {
     72       collection_->UpdateNotification(notify);
     73     }
     74   } else {
     75     collection_->AddSystemNotification(notify, profile_,
     76                                        sticky,
     77                                        false /* no controls */);
     78     collection_->AddWebUIMessageCallback(notify, "link", callback);
     79   }
     80   visible_ = true;
     81   urgent_ = urgent;
     82 }
     83 
     84 void SystemNotification::Hide() {
     85   if (visible_) {
     86     collection_->RemoveById(delegate_->id());
     87     visible_ = false;
     88     urgent_ = false;
     89   }
     90 }
     91 
     92 }  // namespace chromeos
     93