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/*
* Copyright 2014 Canonical Ltd.
* Copyright 2021 Robert Tari
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
* Robert Tari <robert@tari.in>
*/
#include <notifications/notifications.h>
#include <libnotify/notify.h>
#include <messaging-menu/messaging-menu-app.h>
#include <messaging-menu/messaging-menu-message.h>
#ifdef LOMIRI_FEATURES_ENABLED
#include <lomiri-url-dispatcher.h>
#endif
#include <uuid/uuid.h>
#include <gio/gdesktopappinfo.h>
#include <map>
#include <set>
#include <string>
#include <vector>
#include <memory>
namespace ayatana {
namespace indicator {
namespace notifications {
static G_DEFINE_QUARK(NotificationKey, notification_key)
static G_DEFINE_QUARK(NotificationAction, notification_action)
/***
****
***/
class Builder::Impl
{
public:
std::string m_title;
std::string m_body;
std::string m_icon_name;
std::chrono::seconds m_duration;
gint64 m_start_time {};
std::set<std::string> m_string_hints;
std::vector<std::pair<std::string,std::string>> m_actions;
std::function<void(const std::string&)> m_closed_callback;
std::function<void()> m_timeout_callback;
bool m_show_notification_bubble;
bool m_post_to_messaging_menu;
};
Builder::Builder():
impl(new Impl())
{
}
Builder::~Builder()
{
}
void
Builder::set_title (const std::string& title)
{
impl->m_title = title;
}
void
Builder::set_body (const std::string& body)
{
impl->m_body = body;
}
void
Builder::set_icon_name (const std::string& icon_name)
{
impl->m_icon_name = icon_name;
}
void
Builder::set_timeout (const std::chrono::seconds& duration)
{
impl->m_duration = duration;
}
void
Builder::add_hint (const std::string& name)
{
impl->m_string_hints.insert (name);
}
void
Builder::add_action (const std::string& action, const std::string& label)
{
impl->m_actions.push_back(std::pair<std::string,std::string>(action,label));
}
void
Builder::set_closed_callback (std::function<void (const std::string&)> cb)
{
impl->m_closed_callback.swap (cb);
}
void
Builder::set_timeout_callback (std::function<void()> cb)
{
impl->m_timeout_callback.swap (cb);
}
void
Builder::set_start_time (uint64_t time)
{
impl->m_start_time = time;
}
void
Builder::set_show_notification_bubble (bool show)
{
impl->m_show_notification_bubble = show;
}
void
Builder::set_post_to_messaging_menu (bool post)
{
impl->m_post_to_messaging_menu = post;
}
/***
****
***/
class Engine::Impl
{
struct notification_data
{
std::shared_ptr<NotifyNotification> nn;
Builder::Impl data;
};
struct messaging_menu_data
{
std::string msg_id;
std::function<void()> callback;
Engine::Impl *self;
};
public:
explicit Impl(const std::string& app_name):
m_app_name(app_name)
{
if (!notify_init(app_name.c_str()))
g_critical("Unable to initialize libnotify!");
// messaging menu
auto app_id = calendar_app_id();
if (!app_id.empty()) {
m_messaging_app.reset(messaging_menu_app_new(app_id.c_str()), g_object_unref);
messaging_menu_app_register(m_messaging_app.get());
}
}
~Impl()
{
close_all ();
remove_all ();
notify_uninit ();
if (m_messaging_app)
messaging_menu_app_unregister (m_messaging_app.get());
}
const std::string& app_name() const
{
return m_app_name;
}
bool supports_actions() const
{
return server_caps().count("actions") != 0;
}
void close_all ()
{
// call close() on all our keys
std::set<int> keys;
for (const auto& it : m_notifications)
keys.insert (it.first);
for (const int key : keys)
close (key);
}
void close (int key)
{
auto it = m_notifications.find(key);
if (it != m_notifications.end())
{
// tell the server to close the notification
GError * error = nullptr;
if (!notify_notification_close (it->second.nn.get(), &error))
{
g_warning ("Unable to close notification %d: %s", key, error->message);
g_error_free (error);
}
// call the user callback and remove it from our bookkeeping
remove_closed_notification (key);
}
}
int show (const Builder& builder)
{
int ret = -1;
const auto& info = *builder.impl;
std::shared_ptr<NotifyNotification> nn (
notify_notification_new(info.m_title.c_str(),
info.m_body.c_str(),
info.m_icon_name.c_str()),
[this](NotifyNotification * n) {
g_signal_handlers_disconnect_by_data(n, this);
g_object_unref (G_OBJECT(n));
}
);
if (info.m_duration.count() != 0)
{
const auto& d= info.m_duration;
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(d);
notify_notification_set_hint (nn.get(),
HINT_TIMEOUT,
g_variant_new_int32(ms.count()));
}
for (const auto& hint : info.m_string_hints)
{
notify_notification_set_hint (nn.get(),
hint.c_str(),
g_variant_new_string("true"));
}
for (const auto& action : info.m_actions)
{
notify_notification_add_action (nn.get(),
action.first.c_str(),
action.second.c_str(),
on_notification_clicked,
nullptr,
nullptr);
}
static int next_key = 1;
const int key = next_key++;
g_object_set_qdata (G_OBJECT(nn.get()),
notification_key_quark(),
GINT_TO_POINTER(key));
m_notifications[key] = { nn, info };
g_signal_connect (nn.get(), "closed",
G_CALLBACK(on_notification_closed), this);
if (!info.m_show_notification_bubble) {
post(info);
return ret;
}
GError * error = nullptr;
if (notify_notification_show(nn.get(), &error))
{
ret = key;
}
else
{
g_critical ("Unable to show notification for '%s': %s",
info.m_title.c_str(),
error->message);
g_error_free (error);
m_notifications.erase(key);
}
return ret;
}
std::string post(const Builder::Impl& data)
{
if (!data.m_post_to_messaging_menu) {
return "";
}
if (!m_messaging_app) {
return std::string();
}
uuid_t message_uuid;
uuid_generate(message_uuid);
char uuid_buf[37];
uuid_unparse(message_uuid, uuid_buf);
const std::string message_id(uuid_buf);
// use full icon path name, "calendar-app" does not work with themed icons
auto icon_file = g_file_new_for_path(calendar_app_icon().c_str());
// messaging_menu_message_new: will take control of icon object
GIcon *icon = g_file_icon_new(icon_file);
g_object_unref(icon_file);
// check if source exists
if (!messaging_menu_app_has_source(m_messaging_app.get(), m_app_name.c_str()))
messaging_menu_app_append_source(m_messaging_app.get(), m_app_name.c_str(), nullptr, "Calendar");
auto msg = messaging_menu_message_new(message_id.c_str(),
icon,
data.m_title.c_str(),
nullptr,
data.m_body.c_str(),
data.m_start_time * G_USEC_PER_SEC); // secs -> microsecs
if (msg)
{
std::shared_ptr<messaging_menu_data> msg_data(new messaging_menu_data{message_id, data.m_timeout_callback, this});
m_messaging_messages[message_id] = msg_data;
g_signal_connect(G_OBJECT(msg), "activate",
G_CALLBACK(on_message_activated), msg_data.get());
messaging_menu_app_append_message(m_messaging_app.get(), msg, m_app_name.c_str(), false);
// we use that to keep track of messaging, in case of message get cleared from menu
g_object_set_data_full(G_OBJECT(msg), "destroy-notify", msg_data.get(), on_message_destroyed);
// keep the message control with message_menu
g_object_unref(msg);
return message_id;
} else {
g_warning("Fail to create messaging menu message");
}
return "";
}
void remove (const std::string &key)
{
auto it = m_messaging_messages.find(key);
if (it != m_messaging_messages.end())
{
// tell the server to remove message
messaging_menu_app_remove_message_by_id(m_messaging_app.get(), it->second->msg_id.c_str());
// message will be remove by on_message_destroyed cb.
}
}
void remove_all ()
{
// call remove() on all our keys
while (!m_messaging_messages.empty())
remove(m_messaging_messages.begin()->first);
}
private:
const std::set<std::string>& server_caps() const
{
if (G_UNLIKELY(m_lazy_caps.empty()))
{
auto caps_gl = notify_get_server_caps();
std::string caps_str;
for(auto l=caps_gl; l!=nullptr; l=l->next)
{
m_lazy_caps.insert((const char*)l->data);
caps_str += (const char*) l->data;;
if (l->next != nullptr)
caps_str += ", ";
}
g_debug("%s notify_get_server() returned [%s]", G_STRFUNC, caps_str.c_str());
g_list_free_full(caps_gl, g_free);
}
return m_lazy_caps;
}
static void on_notification_clicked (NotifyNotification * nn,
char * action,
gpointer)
{
g_object_set_qdata_full (G_OBJECT(nn),
notification_action_quark(),
g_strdup(action),
g_free);
}
static void on_notification_closed (NotifyNotification * nn, gpointer gself)
{
const GQuark q = notification_key_quark();
const gpointer gkey = g_object_get_qdata(G_OBJECT(nn), q);
static_cast<Impl*>(gself)->remove_closed_notification(GPOINTER_TO_INT(gkey));
}
static void on_message_activated (MessagingMenuMessage *,
const char *,
GVariant *,
gpointer data)
{
auto msg_data = static_cast<messaging_menu_data*>(data);
auto it = msg_data->self->m_messaging_messages.find(msg_data->msg_id);
g_return_if_fail (it != msg_data->self->m_messaging_messages.end());
const auto& ndata = it->second;
if (ndata->callback)
ndata->callback();
}
static void on_message_destroyed(gpointer data)
{
auto msg_data = static_cast<messaging_menu_data*>(data);
auto it = msg_data->self->m_messaging_messages.find(msg_data->msg_id);
if (it != msg_data->self->m_messaging_messages.end())
msg_data->self->m_messaging_messages.erase(it);
}
void remove_closed_notification (int key)
{
auto it = m_notifications.find(key);
g_return_if_fail (it != m_notifications.end());
const auto& ndata = it->second;
auto nn = ndata.nn.get();
if (ndata.data.m_closed_callback)
{
std::string action;
const GQuark q = notification_action_quark();
const gpointer p = g_object_get_qdata(G_OBJECT(nn), q);
if (p != nullptr)
action = static_cast<const char*>(p);
ndata.data.m_closed_callback (action);
// empty action means that the notification got timeout
// post a message on messaging menu
if (action.empty())
post(ndata.data);
}
m_notifications.erase(it);
}
static std::string calendar_app_id()
{
#ifdef LOMIRI_FEATURES_ENABLED
auto urls = g_strsplit("calendar://", ",", 0);
auto appids = lomiri_url_dispatch_url_appid(const_cast<const gchar**>(urls));
g_strfreev(urls);
std::string result;
if (appids != nullptr) {
// Due the use of old API by messaging_menu we need append a extra ".desktop" to the app_id.
result = std::string(appids[0]) + ".desktop";
g_strfreev(appids);
}
return result;
#else
return std::string();
#endif
}
static std::string calendar_app_icon()
{
auto app_desktop = g_desktop_app_info_new(calendar_app_id().c_str());
if (app_desktop != nullptr) {
auto icon_name = g_desktop_app_info_get_string(app_desktop, "Icon");
g_object_unref(app_desktop);
if (icon_name) {
std::string result(icon_name);
g_free(icon_name);
return result;
}
}
g_warning("Fail to get calendar icon");
return std::string();
}
/***
****
***/
// messaging menu
std::shared_ptr<MessagingMenuApp> m_messaging_app;
std::map<std::string, std::shared_ptr<messaging_menu_data> > m_messaging_messages;
const std::string m_app_name;
// key-to-data
std::map<int,notification_data> m_notifications;
// server capabilities.
// as the name indicates, don't use this directly: use server_caps() instead
mutable std::set<std::string> m_lazy_caps;
static constexpr char const * HINT_TIMEOUT {"x-lomiri-snap-decisions-timeout"};
};
/***
****
***/
Engine::Engine(const std::string& app_name):
impl(new Impl(app_name))
{
}
Engine::~Engine()
{
}
bool
Engine::supports_actions() const
{
return impl->supports_actions();
}
int
Engine::show(const Builder& builder)
{
return impl->show(builder);
}
void
Engine::close_all()
{
impl->close_all();
}
void
Engine::close(int key)
{
impl->close(key);
}
const std::string&
Engine::app_name() const
{
return impl->app_name();
}
/***
****
***/
} // namespace notifications
} // namespace indicator
} // namespace ayatana
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