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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 "ash/system/web_notification/web_notification_list.h"
namespace message_center {
const size_t WebNotificationList::kMaxVisibleMessageCenterNotifications = 100;
const size_t WebNotificationList::kMaxVisiblePopupNotifications = 5;
WebNotificationList::WebNotificationList(Delegate* delegate)
: delegate_(delegate),
message_center_visible_(false),
unread_count_(0) {
}
WebNotificationList::~WebNotificationList() {
}
void WebNotificationList::SetMessageCenterVisible(bool visible) {
if (message_center_visible_ == visible)
return;
message_center_visible_ = visible;
if (!visible) {
// When the list is hidden, clear the unread count, and mark all
// notifications as read and shown.
unread_count_ = 0;
for (Notifications::iterator iter = notifications_.begin();
iter != notifications_.end(); ++iter) {
iter->is_read = true;
iter->shown_as_popup = true;
}
}
}
void WebNotificationList::AddNotification(const std::string& id,
const string16& title,
const string16& message,
const string16& display_source,
const std::string& extension_id) {
WebNotification notification;
notification.id = id;
notification.title = title;
notification.message = message;
notification.display_source = display_source;
notification.extension_id = extension_id;
PushNotification(notification);
}
void WebNotificationList::UpdateNotificationMessage(const std::string& old_id,
const std::string& new_id,
const string16& title,
const string16& message) {
Notifications::iterator iter = GetNotification(old_id);
if (iter == notifications_.end())
return;
// Copy and update notification, then move it to the front of the list.
WebNotification notification(*iter);
notification.id = new_id;
notification.title = title;
notification.message = message;
EraseNotification(iter);
PushNotification(notification);
}
bool WebNotificationList::RemoveNotification(const std::string& id) {
Notifications::iterator iter = GetNotification(id);
if (iter == notifications_.end())
return false;
EraseNotification(iter);
return true;
}
void WebNotificationList::RemoveAllNotifications() {
notifications_.clear();
}
void WebNotificationList::SendRemoveNotificationsBySource(
const std::string& id) {
Notifications::iterator source_iter = GetNotification(id);
if (source_iter == notifications_.end())
return;
string16 display_source = source_iter->display_source;
for (Notifications::iterator loopiter = notifications_.begin();
loopiter != notifications_.end(); ) {
Notifications::iterator curiter = loopiter++;
if (curiter->display_source == display_source)
delegate_->SendRemoveNotification(curiter->id);
}
}
void WebNotificationList::SendRemoveNotificationsByExtension(
const std::string& id) {
Notifications::iterator source_iter = GetNotification(id);
if (source_iter == notifications_.end())
return;
std::string extension_id = source_iter->extension_id;
for (Notifications::iterator loopiter = notifications_.begin();
loopiter != notifications_.end(); ) {
Notifications::iterator curiter = loopiter++;
if (curiter->extension_id == extension_id)
delegate_->SendRemoveNotification(curiter->id);
}
}
bool WebNotificationList::SetNotificationImage(const std::string& id,
const gfx::ImageSkia& image) {
Notifications::iterator iter = GetNotification(id);
if (iter == notifications_.end())
return false;
iter->image = image;
return true;
}
bool WebNotificationList::HasNotification(const std::string& id) {
return GetNotification(id) != notifications_.end();
}
bool WebNotificationList::HasPopupNotifications() {
return !notifications_.empty() && !notifications_.front().shown_as_popup;
}
void WebNotificationList::GetPopupNotifications(
WebNotificationList::Notifications* notifications) {
Notifications::iterator first, last;
GetPopupIterators(first, last);
notifications->clear();
for (Notifications::iterator iter = first; iter != last; ++iter)
notifications->push_back(*iter);
}
void WebNotificationList::MarkPopupsAsShown() {
Notifications::iterator first, last;
GetPopupIterators(first, last);
for (Notifications::iterator iter = first; iter != last; ++iter)
iter->shown_as_popup = true;
}
WebNotificationList::Notifications::iterator
WebNotificationList::GetNotification(
const std::string& id) {
for (Notifications::iterator iter = notifications_.begin();
iter != notifications_.end(); ++iter) {
if (iter->id == id)
return iter;
}
return notifications_.end();
}
void WebNotificationList::EraseNotification(
WebNotificationList::Notifications::iterator iter) {
if (!message_center_visible_ && !iter->is_read)
--unread_count_;
notifications_.erase(iter);
}
void WebNotificationList::PushNotification(WebNotification& notification) {
// Ensure that notification.id is unique by erasing any existing
// notification with the same id (shouldn't normally happen).
Notifications::iterator iter = GetNotification(notification.id);
if (iter != notifications_.end())
EraseNotification(iter);
// Add the notification to the front (top) of the list and mark it
// unread and unshown.
if (!message_center_visible_) {
++unread_count_;
notification.is_read = false;
notification.shown_as_popup = false;
}
notifications_.push_front(notification);
}
void WebNotificationList::GetPopupIterators(Notifications::iterator& first,
Notifications::iterator& last) {
size_t popup_count = 0;
first = notifications_.begin();
last = first;
while (last != notifications_.end()) {
if (last->shown_as_popup)
break;
++last;
if (popup_count < kMaxVisiblePopupNotifications)
++popup_count;
else
++first;
}
}
} // namespace message_center
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