chrome/browser/ui/views/message_center/web_notification_tray.cc

   1 // Copyright 2013 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/ui/views/message_center/web_notification_tray.h"
   6
   7 #include "chrome/browser/browser_process.h"
   8 #include "ui/gfx/screen.h"
   9 #include "ui/message_center/message_center_tray.h"
  10 #include "ui/message_center/message_center_tray_delegate.h"
  11 #include "ui/message_center/views/desktop_popup_alignment_delegate.h"
  12 #include "ui/message_center/views/message_popup_collection.h"
  13
  14 namespace message_center {
  15
  16 MessageCenterTrayDelegate* CreateMessageCenterTray() {
  17   return new WebNotificationTray();
  18 }
  19
  20 WebNotificationTray::WebNotificationTray() {
  21   message_center_tray_.reset(
  22       new MessageCenterTray(this, g_browser_process->message_center()));
  23   alignment_delegate_.reset(new message_center::DesktopPopupAlignmentDelegate);
  24   popup_collection_.reset(new message_center::MessagePopupCollection(
  25       NULL, message_center(), message_center_tray_.get(),
  26       alignment_delegate_.get()));
  27 }
  28
  29 WebNotificationTray::~WebNotificationTray() {
  30   // Reset this early so that delegated events during destruction don't cause
  31   // problems.
  32   popup_collection_.reset();
  33   message_center_tray_.reset();
  34 }
  35
  36 message_center::MessageCenter* WebNotificationTray::message_center() {
  37   return message_center_tray_->message_center();
  38 }
  39
  40 bool WebNotificationTray::ShowPopups() {
  41   alignment_delegate_->StartObserving(gfx::Screen::GetNativeScreen());
  42   popup_collection_->DoUpdateIfPossible();
  43   return true;
  44 }
  45
  46 void WebNotificationTray::HidePopups() {
  47   DCHECK(popup_collection_.get());
  48   popup_collection_->MarkAllPopupsShown();
  49 }
  50
  51 bool WebNotificationTray::ShowMessageCenter() {
  52   // Message center not available on Windows/Linux.
  53   return false;
  54 }
  55
  56 void WebNotificationTray::HideMessageCenter() {
  57 }
  58
  59 bool WebNotificationTray::ShowNotifierSettings() {
  60   // Message center settings not available on Windows/Linux.
  61   return false;
  62 }
  63
  64 bool WebNotificationTray::IsContextMenuEnabled() const {
  65   // It can always return true because the notifications are invisible if
  66   // the context menu shouldn't be enabled, such as in the lock screen.
  67   return true;
  68 }
  69
  70 void WebNotificationTray::OnMessageCenterTrayChanged() {
  71 }
  72
  73 MessageCenterTray* WebNotificationTray::GetMessageCenterTray() {
  74   return message_center_tray_.get();
  75 }
  76
  77 }  // namespace message_center