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// 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 <string>
#include <vector>
#include "base/strings/string16.h"
#include "base/time/time.h"
#include "base/values.h"
#include "ui/gfx/image/image.h"
#include "ui/message_center/message_center_export.h"
#include "ui/message_center/notification_delegate.h"
#include "ui/message_center/notification_types.h"
#include "ui/message_center/notifier_settings.h"
namespace message_center {
struct MESSAGE_CENTER_EXPORT NotificationItem {
base::string16 title;
base::string16 message;
NotificationItem(const base::string16& title, const base::string16& message);
base::string16 title;
gfx::Image icon;
ButtonInfo(const base::string16& title);
class MESSAGE_CENTER_EXPORT RichNotificationData {
RichNotificationData(const RichNotificationData& other);
int priority;
bool never_timeout;
base::Time timestamp;
base::string16 context_message;
gfx::Image image;
gfx::Image small_image;
std::vector<NotificationItem> items;
int progress;
std::vector<ButtonInfo> buttons;
bool should_make_spoken_feedback_for_popup_updates;
bool clickable;
std::vector<int> vibration_pattern;
bool silent;
class MESSAGE_CENTER_EXPORT Notification {
Notification(NotificationType type,
const std::string& id,
const base::string16& title,
const base::string16& message,
const gfx::Image& icon,
const base::string16& display_source,
const NotifierId& notifier_id,
const RichNotificationData& optional_fields,
NotificationDelegate* delegate);
Notification(const std::string& id, const Notification& other);
Notification(const Notification& other);
virtual ~Notification();
// Copies the internal on-memory state from |base|, i.e. shown_as_popup,
// is_read, and never_timeout.
void CopyState(Notification* base);
NotificationType type() const { return type_; }
void set_type(NotificationType type) { type_ = type; }
// Uniquely identifies a notification in the message center. For
// notification front ends that support multiple profiles, this id should
// identify a unique profile + frontend_notification_id combination. You can
// Use this id against the MessageCenter interface but not the
// NotificationUIManager interface.
const std::string& id() const { return id_; }
const base::string16& title() const { return title_; }
void set_title(const base::string16& title) { title_ = title; }
const base::string16& message() const { return message_; }
void set_message(const base::string16& message) { message_ = message; }
// A display string for the source of the notification.
const base::string16& display_source() const { return display_source_; }
const NotifierId& notifier_id() const { return notifier_id_; }
void set_profile_id(const std::string& profile_id) {
notifier_id_.profile_id = profile_id;
// Begin unpacked values from optional_fields.
int priority() const { return optional_fields_.priority; }
void set_priority(int priority) { optional_fields_.priority = priority; }
// This vibration_pattern property currently has no effect on
// non-Android platforms.
const std::vector<int>& vibration_pattern() const {
return optional_fields_.vibration_pattern;
void set_vibration_pattern(const std::vector<int>& vibration_pattern) {
optional_fields_.vibration_pattern = vibration_pattern;
// This property currently has no effect on non-Android platforms.
bool silent() const { return optional_fields_.silent; }
void set_silent(bool silent) { optional_fields_.silent = silent; }
base::Time timestamp() const { return optional_fields_.timestamp; }
void set_timestamp(const base::Time& timestamp) {
optional_fields_.timestamp = timestamp;
const base::string16& context_message() const {
return optional_fields_.context_message;
void set_context_message(const base::string16& context_message) {
optional_fields_.context_message = context_message;
const std::vector<NotificationItem>& items() const {
return optional_fields_.items;
void set_items(const std::vector<NotificationItem>& items) {
optional_fields_.items = items;
int progress() const { return optional_fields_.progress; }
void set_progress(int progress) { optional_fields_.progress = progress; }
// End unpacked values.
// Images fetched asynchronously.
const gfx::Image& icon() const { return icon_; }
void set_icon(const gfx::Image& icon) { icon_ = icon; }
const gfx::Image& image() const { return optional_fields_.image; }
void set_image(const gfx::Image& image) { optional_fields_.image = image; }
const gfx::Image& small_image() const { return optional_fields_.small_image; }
void set_small_image(const gfx::Image& image) {
optional_fields_.small_image = image;
// Buttons, with icons fetched asynchronously.
const std::vector<ButtonInfo>& buttons() const {
return optional_fields_.buttons;
void set_buttons(const std::vector<ButtonInfo>& buttons) {
optional_fields_.buttons = buttons;
void SetButtonIcon(size_t index, const gfx::Image& icon);
bool shown_as_popup() const { return shown_as_popup_; }
void set_shown_as_popup(bool shown_as_popup) {
shown_as_popup_ = shown_as_popup;
// Read status in the message center.
bool IsRead() const;
void set_is_read(bool read) { is_read_ = read; }
// Used to keep the order of notifications with the same timestamp.
// The notification with lesser serial_number is considered 'older'.
unsigned serial_number() { return serial_number_; }
// Marks this explicitly to prevent the timeout dismiss of notification.
// This is used by webkit notifications to keep the existing behavior.
void set_never_timeout(bool never_timeout) {
optional_fields_.never_timeout = never_timeout;
bool never_timeout() const { return optional_fields_.never_timeout; }
bool clickable() const { return optional_fields_.clickable; }
void set_clickable(bool clickable) {
optional_fields_.clickable = clickable;
NotificationDelegate* delegate() const { return delegate_.get(); }
const RichNotificationData& rich_notification_data() const {
return optional_fields_;
// Set the priority to SYSTEM. The system priority user needs to call this
// method explicitly, to avoid setting it accidentally.
void SetSystemPriority();
// Delegate actions.
void Display() const { delegate()->Display(); }
bool HasClickedListener() const { return delegate()->HasClickedListener(); }
void Click() const { delegate()->Click(); }
void ButtonClick(int index) const { delegate()->ButtonClick(index); }
void Close(bool by_user) const { delegate()->Close(by_user); }
// Helper method to create a simple system notification. |click_callback|
// will be invoked when the notification is clicked.
static scoped_ptr<Notification> CreateSystemNotification(
const std::string& notification_id,
const base::string16& title,
const base::string16& message,
const gfx::Image& icon,
const std::string& system_component_id,
const base::Closure& click_callback);
Notification& operator=(const Notification& other);
// The type of notification we'd like displayed.
NotificationType type_;
std::string id_;
base::string16 title_;
base::string16 message_;
// Image data for the associated icon, used by Ash when available.
gfx::Image icon_;
// The display string for the source of the notification. Could be
// the same as origin_url_, or the name of an extension.
base::string16 display_source_;
NotifierId notifier_id_;
unsigned serial_number_;
RichNotificationData optional_fields_;
bool shown_as_popup_; // True if this has been shown as a popup.
bool is_read_; // True if this has been seen in the message center.
// A proxy object that allows access back to the JavaScript object that
// represents the notification, for firing events.
scoped_refptr<NotificationDelegate> delegate_;
} // namespace message_center