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// Copyright (c) 2012 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.h"
#include "base/logging.h"
#include "base/memory/singleton.h"
#include "base/observer_list.h"
#include "ui/message_center/notification.h"
#include "ui/message_center/notification_list.h"
namespace message_center {
namespace {
static MessageCenter* g_message_center;
}
// static
void MessageCenter::Initialize() {
DCHECK(g_message_center == NULL);
g_message_center = new MessageCenter();
}
// static
MessageCenter* MessageCenter::Get() {
DCHECK(g_message_center);
return g_message_center;
}
// static
void MessageCenter::Shutdown() {
DCHECK(g_message_center);
delete g_message_center;
g_message_center = NULL;
}
//------------------------------------------------------------------------------
MessageCenter::Delegate::~Delegate() {
}
//------------------------------------------------------------------------------
MessageCenter::MessageCenter()
: delegate_(NULL) {
notification_list_.reset(new NotificationList(this));
}
MessageCenter::~MessageCenter() {
notification_list_.reset();
}
void MessageCenter::AddObserver(Observer* observer) {
observer_list_.AddObserver(observer);
}
void MessageCenter::RemoveObserver(Observer* observer) {
observer_list_.RemoveObserver(observer);
}
void MessageCenter::SetDelegate(Delegate* delegate) {
delegate_ = delegate;
}
void MessageCenter::SetMessageCenterVisible(bool visible) {
notification_list_->SetMessageCenterVisible(visible);
}
size_t MessageCenter::NotificationCount() const {
return notification_list_->NotificationCount();
}
size_t MessageCenter::UnreadNotificationCount() const {
return notification_list_->unread_count();
}
bool MessageCenter::HasPopupNotifications() const {
return notification_list_->HasPopupNotifications();
}
//------------------------------------------------------------------------------
// Client code interface.
void MessageCenter::AddNotification(
NotificationType type,
const std::string& id,
const string16& title,
const string16& message,
const string16& display_source,
const std::string& extension_id,
const base::DictionaryValue* optional_fields) {
notification_list_->AddNotification(type, id, title, message, display_source,
extension_id, optional_fields);
NotifyMessageCenterChanged(true);
}
void MessageCenter::UpdateNotification(
const std::string& old_id,
const std::string& new_id,
const string16& title,
const string16& message,
const base::DictionaryValue* optional_fields) {
notification_list_->UpdateNotificationMessage(
old_id, new_id, title, message, optional_fields);
NotifyMessageCenterChanged(true);
}
void MessageCenter::RemoveNotification(const std::string& id) {
notification_list_->RemoveNotification(id);
NotifyMessageCenterChanged(false);
}
void MessageCenter::SetNotificationIcon(const std::string& notification_id,
const gfx::Image& image) {
if (notification_list_->SetNotificationIcon(notification_id, image))
NotifyMessageCenterChanged(true);
}
void MessageCenter::SetNotificationImage(const std::string& notification_id,
const gfx::Image& image) {
if (notification_list_->SetNotificationImage(notification_id, image))
NotifyMessageCenterChanged(true);
}
void MessageCenter::SetNotificationButtonIcon(
const std::string& notification_id, int button_index,
const gfx::Image& image) {
if (notification_list_->SetNotificationButtonIcon(notification_id,
button_index, image))
NotifyMessageCenterChanged(true);
}
//------------------------------------------------------------------------------
// Overridden from NotificationChangeObserver:
void MessageCenter::OnRemoveNotification(const std::string& id, bool by_user) {
if (delegate_)
delegate_->NotificationRemoved(id, by_user);
}
void MessageCenter::OnRemoveAllNotifications(bool by_user) {
if (delegate_) {
const NotificationList::Notifications& notifications =
notification_list_->GetNotifications();
for (NotificationList::Notifications::const_iterator loopiter =
notifications.begin();
loopiter != notifications.end(); ) {
NotificationList::Notifications::const_iterator curiter = loopiter++;
std::string notification_id = (*curiter)->id();
// May call RemoveNotification and erase curiter.
delegate_->NotificationRemoved(notification_id, by_user);
}
}
}
void MessageCenter::OnDisableNotificationsByExtension(
const std::string& id) {
if (delegate_)
delegate_->DisableExtension(id);
// When we disable notifications, we remove any existing matching
// notifications to avoid adding complicated UI to re-enable the source.
notification_list_->SendRemoveNotificationsByExtension(id);
}
void MessageCenter::OnDisableNotificationsByUrl(const std::string& id) {
if (delegate_)
delegate_->DisableNotificationsFromSource(id);
notification_list_->SendRemoveNotificationsBySource(id);
}
void MessageCenter::OnShowNotificationSettings(const std::string& id) {
if (delegate_)
delegate_->ShowSettings(id);
}
void MessageCenter::OnShowNotificationSettingsDialog(gfx::NativeView context) {
if (delegate_)
delegate_->ShowSettingsDialog(context);
}
void MessageCenter::OnExpanded(const std::string& id) {
notification_list_->MarkNotificationAsExpanded(id);
}
void MessageCenter::OnClicked(const std::string& id) {
if (delegate_)
delegate_->OnClicked(id);
if (HasPopupNotifications()) {
notification_list_->MarkSinglePopupAsShown(id, true);
NotifyMessageCenterChanged(false);
}
}
void MessageCenter::OnButtonClicked(const std::string& id, int button_index) {
if (delegate_)
delegate_->OnButtonClicked(id, button_index);
if (HasPopupNotifications()) {
notification_list_->MarkSinglePopupAsShown(id, true);
NotifyMessageCenterChanged(false);
}
}
//------------------------------------------------------------------------------
// Overridden from NotificationList::Delegate:
void MessageCenter::SendRemoveNotification(const std::string& id,
bool by_user) {
if (delegate_)
delegate_->NotificationRemoved(id, by_user);
}
void MessageCenter::OnQuietModeChanged(bool quiet_mode) {
NotifyMessageCenterChanged(true);
}
//------------------------------------------------------------------------------
// Private.
void MessageCenter::NotifyMessageCenterChanged(bool new_notification) {
FOR_EACH_OBSERVER(Observer,
observer_list_,
OnMessageCenterChanged(new_notification));
}
} // namespace message_center
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