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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/exo/wayland/zcr_notification_shell.h"
#include <notification-shell-unstable-v1-server-protocol.h>
#include <wayland-server-core.h>
#include <wayland-server-protocol-core.h>
#include <string>
#include "base/atomic_sequence_num.h"
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/strings/stringprintf.h"
#include "components/exo/notification.h"
#include "components/exo/notification_surface.h"
#include "components/exo/notification_surface_manager.h"
#include "components/exo/wayland/server_util.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace exo {
namespace wayland {
namespace {
// Notification id and notifier id used for NotificationShell.
constexpr char kNotificationShellNotificationIdFormat[] =
"exo-notification-shell.%d.%s";
constexpr char kNotificationShellNotifierId[] = "exo-notification-shell";
// Incremental id for notification shell instance.
base::AtomicSequenceNumber g_next_notification_shell_id;
////////////////////////////////////////////////////////////////////////////////
// zcr_notification_shell_notification_v1 interface:
// Implements notification interface.
class WaylandNotificationShellNotification {
public:
WaylandNotificationShellNotification(const std::string& title,
const std::string& message,
const std::string& display_source,
const std::string& notification_id,
const std::vector<std::string>& buttons,
wl_resource* resource)
: resource_(resource) {
notification_ = std::make_unique<Notification>(
title, message, display_source, notification_id,
kNotificationShellNotifierId, buttons,
base::BindRepeating(&WaylandNotificationShellNotification::OnClose,
weak_ptr_factory_.GetWeakPtr()),
base::BindRepeating(&WaylandNotificationShellNotification::OnClick,
weak_ptr_factory_.GetWeakPtr()));
}
WaylandNotificationShellNotification(
const WaylandNotificationShellNotification&) = delete;
WaylandNotificationShellNotification& operator=(
const WaylandNotificationShellNotification&) = delete;
void Close() { notification_->Close(); }
private:
void OnClose(bool by_user) {
zcr_notification_shell_notification_v1_send_closed(resource_, by_user);
wl_client_flush(wl_resource_get_client(resource_));
}
void OnClick(const absl::optional<int>& button_index) {
int32_t index = button_index ? *button_index : -1;
zcr_notification_shell_notification_v1_send_clicked(resource_, index);
wl_client_flush(wl_resource_get_client(resource_));
}
const raw_ptr<wl_resource, ExperimentalAsh> resource_;
std::unique_ptr<Notification> notification_;
base::WeakPtrFactory<WaylandNotificationShellNotification> weak_ptr_factory_{
this};
};
void notification_destroy(wl_client* client, wl_resource* resource) {
wl_resource_destroy(resource);
}
void notification_close(wl_client* client, wl_resource* resource) {
GetUserDataAs<WaylandNotificationShellNotification>(resource)->Close();
}
const struct zcr_notification_shell_notification_v1_interface
notification_implementation = {notification_destroy, notification_close};
////////////////////////////////////////////////////////////////////////////////
// zcr_notification_shell_v1 interface:
// Implements notification shell interface.
class WaylandNotificationShell {
public:
WaylandNotificationShell() : id_(g_next_notification_shell_id.GetNext()) {}
WaylandNotificationShell(const WaylandNotificationShell&) = delete;
WaylandNotificationShell& operator=(const WaylandNotificationShell&) = delete;
~WaylandNotificationShell() = default;
// Creates a notification on message center from textual information.
std::unique_ptr<WaylandNotificationShellNotification> CreateNotification(
const std::string& title,
const std::string& message,
const std::string& display_source,
const std::string& notification_key,
const std::vector<std::string>& buttons,
wl_resource* notification_resource) {
auto notification_id = base::StringPrintf(
kNotificationShellNotificationIdFormat, id_, notification_key.c_str());
return std::make_unique<WaylandNotificationShellNotification>(
title, message, display_source, notification_id, buttons,
notification_resource);
}
private:
// Id for this notification shell instance.
const uint32_t id_;
};
void notification_shell_create_notification(wl_client* client,
wl_resource* resource,
uint32_t id,
const char* title,
const char* message,
const char* display_source,
const char* notification_key,
wl_array* buttons) {
wl_resource* notification_resource = wl_resource_create(
client, &zcr_notification_shell_notification_v1_interface,
wl_resource_get_version(resource), id);
// Converts wl_array of strings into std::vector<std::string>. All elements
// are 0-terminated so we use it as the mark of the element's end.
std::vector<std::string> button_strings;
const char* data = static_cast<const char*>(buttons->data);
int len = 0;
for (const char *pos = data; pos < data + buttons->size; ++pos, ++len) {
if (*pos == '\0') {
button_strings.emplace_back(std::string(pos - len, len));
len = 0;
}
}
std::unique_ptr<WaylandNotificationShellNotification> notification =
GetUserDataAs<WaylandNotificationShell>(resource)->CreateNotification(
title, message, display_source, notification_key, button_strings,
notification_resource);
SetImplementation(notification_resource, ¬ification_implementation,
std::move(notification));
}
void notification_shell_get_notification_surface(wl_client* client,
wl_resource* resource,
uint32_t id,
wl_resource* surface,
const char* notification_key) {
NOTIMPLEMENTED();
}
const struct zcr_notification_shell_v1_interface
zcr_notification_shell_v1_implementation = {
notification_shell_create_notification,
notification_shell_get_notification_surface,
};
} // namespace
void bind_notification_shell(wl_client* client,
void* data,
uint32_t version,
uint32_t id) {
wl_resource* resource =
wl_resource_create(client, &zcr_notification_shell_v1_interface, 1, id);
SetImplementation(resource, &zcr_notification_shell_v1_implementation,
std::make_unique<WaylandNotificationShell>());
}
} // namespace wayland
} // namespace exo
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