root/ui/message_center/message_center_tray.cc

DEFINITIONS

1. notifier_id_
2. IsCommandIdChecked
3. IsCommandIdEnabled
4. GetAcceleratorForCommandId
5. ExecuteCommand
6. delegate_
7. ShowMessageCenterBubble
8. HideMessageCenterBubble
9. MarkMessageCenterHidden
10. ToggleMessageCenterBubble
11. ShowPopupBubble
12. HidePopupBubble
13. HidePopupBubbleInternal
14. ShowNotifierSettingsBubble
15. CreateNotificationMenuModel
16. OnNotificationAdded
17. OnNotificationRemoved
18. OnNotificationUpdated
19. OnNotificationClicked
20. OnNotificationButtonClicked
21. OnNotificationDisplayed
22. OnQuietModeChanged
23. OnBlockingStateChanged
24. OnMessageCenterChanged
25. NotifyMessageCenterTrayChanged

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/message_center/message_center_tray.h"

#include "base/observer_list.h"
#include "base/strings/utf_string_conversions.h"
#include "grit/ui_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/message_center/message_center.h"
#include "ui/message_center/message_center_tray_delegate.h"
#include "ui/message_center/message_center_types.h"
#include "ui/message_center/notification_blocker.h"

namespace message_center {

namespace {

// Menu constants
const int kTogglePermissionCommand = 0;
const int kShowSettingsCommand = 1;

// The model of the context menu for a notification card.
class NotificationMenuModel : public ui::SimpleMenuModel,
                              public ui::SimpleMenuModel::Delegate {
 public:
  NotificationMenuModel(MessageCenterTray* tray,
                        const NotifierId& notifier_id,
                        const base::string16& display_source);
  virtual ~NotificationMenuModel();

  // Overridden from ui::SimpleMenuModel::Delegate:
  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
  virtual bool GetAcceleratorForCommandId(
      int command_id,
      ui::Accelerator* accelerator) OVERRIDE;
  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;

 private:
  MessageCenterTray* tray_;
  NotifierId notifier_id_;
  DISALLOW_COPY_AND_ASSIGN(NotificationMenuModel);
};

NotificationMenuModel::NotificationMenuModel(
    MessageCenterTray* tray,
    const NotifierId& notifier_id,
    const base::string16& display_source)
    : ui::SimpleMenuModel(this),
      tray_(tray),
      notifier_id_(notifier_id) {
  // Add 'disable notifications' menu item.
  if (!display_source.empty()) {
    AddItem(kTogglePermissionCommand,
            l10n_util::GetStringFUTF16(IDS_MESSAGE_CENTER_NOTIFIER_DISABLE,
                                       display_source));
  }
  // Add settings menu item.
  AddItem(kShowSettingsCommand,
          l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_SETTINGS));
}

NotificationMenuModel::~NotificationMenuModel() {
}

bool NotificationMenuModel::IsCommandIdChecked(int command_id) const {
  return false;
}

bool NotificationMenuModel::IsCommandIdEnabled(int command_id) const {
  return tray_->delegate()->IsContextMenuEnabled();
}

bool NotificationMenuModel::GetAcceleratorForCommandId(
    int command_id,
    ui::Accelerator* accelerator) {
  return false;
}

void NotificationMenuModel::ExecuteCommand(int command_id, int event_flags) {
  switch (command_id) {
    case kTogglePermissionCommand:
      tray_->message_center()->DisableNotificationsByNotifier(notifier_id_);
      break;
    case kShowSettingsCommand:
      tray_->ShowNotifierSettingsBubble();
      break;
    default:
      NOTREACHED();
  }
}

}  // namespace

MessageCenterTray::MessageCenterTray(
    MessageCenterTrayDelegate* delegate,
    message_center::MessageCenter* message_center)
    : message_center_(message_center),
      message_center_visible_(false),
      popups_visible_(false),
      delegate_(delegate) {
  message_center_->AddObserver(this);
}

MessageCenterTray::~MessageCenterTray() {
  message_center_->RemoveObserver(this);
}

bool MessageCenterTray::ShowMessageCenterBubble() {
  if (message_center_visible_)
    return true;

  HidePopupBubbleInternal();

  message_center_visible_ = delegate_->ShowMessageCenter();
  message_center_->SetVisibility(message_center::VISIBILITY_MESSAGE_CENTER);
  NotifyMessageCenterTrayChanged();
  return message_center_visible_;
}

bool MessageCenterTray::HideMessageCenterBubble() {
  if (!message_center_visible_)
    return false;
  delegate_->HideMessageCenter();
  MarkMessageCenterHidden();
  return true;
}

void MessageCenterTray::MarkMessageCenterHidden() {
  if (!message_center_visible_)
    return;
  message_center_visible_ = false;
  message_center_->SetVisibility(message_center::VISIBILITY_TRANSIENT);

  // Some notifications (like system ones) should appear as popups again
  // after the message center is closed.
  if (message_center_->HasPopupNotifications()) {
    ShowPopupBubble();
    return;
  }

  NotifyMessageCenterTrayChanged();
}

void MessageCenterTray::ToggleMessageCenterBubble() {
  if (message_center_visible_)
    HideMessageCenterBubble();
  else
    ShowMessageCenterBubble();
}

void MessageCenterTray::ShowPopupBubble() {
  if (message_center_visible_)
    return;

  if (popups_visible_) {
    NotifyMessageCenterTrayChanged();
    return;
  }

  if (!message_center_->HasPopupNotifications())
    return;

  popups_visible_ = delegate_->ShowPopups();

  NotifyMessageCenterTrayChanged();
}

bool MessageCenterTray::HidePopupBubble() {
  if (!popups_visible_)
    return false;
  HidePopupBubbleInternal();
  NotifyMessageCenterTrayChanged();

  return true;
}

void MessageCenterTray::HidePopupBubbleInternal() {
  if (!popups_visible_)
    return;

  delegate_->HidePopups();
  popups_visible_ = false;
}

void MessageCenterTray::ShowNotifierSettingsBubble() {
  if (popups_visible_)
    HidePopupBubbleInternal();

  message_center_visible_ = delegate_->ShowNotifierSettings();
  message_center_->SetVisibility(message_center::VISIBILITY_SETTINGS);

  NotifyMessageCenterTrayChanged();
}

scoped_ptr<ui::MenuModel> MessageCenterTray::CreateNotificationMenuModel(
    const NotifierId& notifier_id,
    const base::string16& display_source) {
  return scoped_ptr<ui::MenuModel>(new NotificationMenuModel(
      this, notifier_id, display_source));
}

void MessageCenterTray::OnNotificationAdded(
    const std::string& notification_id) {
  OnMessageCenterChanged();
}

void MessageCenterTray::OnNotificationRemoved(
    const std::string& notification_id,
    bool by_user) {
  OnMessageCenterChanged();
}

void MessageCenterTray::OnNotificationUpdated(
    const std::string& notification_id) {
  OnMessageCenterChanged();
}

void MessageCenterTray::OnNotificationClicked(
    const std::string& notification_id) {
  if (popups_visible_)
    OnMessageCenterChanged();
}

void MessageCenterTray::OnNotificationButtonClicked(
    const std::string& notification_id,
    int button_index) {
  if (popups_visible_)
    OnMessageCenterChanged();
}

void MessageCenterTray::OnNotificationDisplayed(
    const std::string& notification_id) {
  NotifyMessageCenterTrayChanged();
}

void MessageCenterTray::OnQuietModeChanged(bool in_quiet_mode) {
  NotifyMessageCenterTrayChanged();
}

void MessageCenterTray::OnBlockingStateChanged(NotificationBlocker* blocker) {
  OnMessageCenterChanged();
}

void MessageCenterTray::OnMessageCenterChanged() {
  if (message_center_visible_ && message_center_->NotificationCount() == 0)
    HideMessageCenterBubble();

  if (popups_visible_ && !message_center_->HasPopupNotifications())
    HidePopupBubbleInternal();
  else if (!popups_visible_ && message_center_->HasPopupNotifications())
    ShowPopupBubble();

  NotifyMessageCenterTrayChanged();
}

void MessageCenterTray::NotifyMessageCenterTrayChanged() {
  delegate_->OnMessageCenterTrayChanged();
}

}  // namespace message_center