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NotificationServer: Add a system service for desktop notifications

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This patch adds NotificationServer, which runs as the "notify" user
and provides an IPC API for desktop notifications.

LibGUI gains the GUI::Notification class for showing notifications.

NotificationServer is spawned on demand and will unspawn after
dimissing all visible notifications. :^)

Finally, this also comes with a small /bin/notify utility.
This commit is contained in:
Andreas Kling 2020-02-16 19:28:08 +01:00
parent a6e69bda71
commit 9f54ea9bcd
16 changed files with 486 additions and 1 deletions
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62
Servers/NotificationServer/ClientConnection.cpp Normal file
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "ClientConnection.h"
#include "NotificationClientEndpoint.h"
#include "NotificationWindow.h"
#include <AK/HashMap.h>
namespace NotificationServer {
static HashMap<int, RefPtr<ClientConnection>> s_connections;
ClientConnection::ClientConnection(Core::LocalSocket& client_socket, int client_id)
: IPC::ClientConnection<NotificationServerEndpoint>(*this, client_socket, client_id)
{
s_connections.set(client_id, *this);
}
ClientConnection::~ClientConnection()
{
}
void ClientConnection::die()
{
s_connections.remove(client_id());
}
OwnPtr<Messages::NotificationServer::GreetResponse> ClientConnection::handle(const Messages::NotificationServer::Greet&)
{
return make<Messages::NotificationServer::GreetResponse>(client_id());
}
void ClientConnection::handle(const Messages::NotificationServer::ShowNotification& message)
{
auto window = NotificationWindow::construct(message.text(), message.title());
window->show();
}
}