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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_WAYLAND_HOST_XDG_ACTIVATION_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_XDG_ACTIVATION_H_
#include <memory>
#include <string>
#include "base/containers/queue.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/nix/xdg_util.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
namespace ui {
// Implements the XDG activation Wayland protocol extension.
class XdgActivation : public wl::GlobalObjectRegistrar<XdgActivation> {
public:
static constexpr char kInterfaceName[] = "xdg_activation_v1";
static void Instantiate(WaylandConnection* connection,
wl_registry* registry,
uint32_t name,
const std::string& interface,
uint32_t version);
XdgActivation(wl::Object<xdg_activation_v1> xdg_activation_v1,
WaylandConnection* connection);
XdgActivation(const XdgActivation&) = delete;
XdgActivation& operator=(const XdgActivation&) = delete;
~XdgActivation();
// Requests activation of the `surface` using the `token` received from the
// app that launched us.
void Activate(wl_surface* surface, const std::string& token) const;
// Request a new activation token from the compositor for launching an
// external app.
// The token is received asynchronously and the provided `callback` is called
// after the server responds to the request or if the request times out.
// If there is an unfinished request, the method chains the new request in the
// `token_request_queue_` and initiates the next token request to the server
// after the server responds to the current request or timeout occurs.
// This should always be called from the UI thread.
void RequestNewToken(base::nix::XdgActivationTokenCallback callback) const;
private:
class TokenRequest;
void OnTokenRequestCompleted(base::nix::XdgActivationTokenCallback callback,
std::string token);
// Wayland object wrapped by this class.
wl::Object<xdg_activation_v1> xdg_activation_v1_;
// Pending token requests.
mutable base::queue<std::unique_ptr<TokenRequest>> token_request_queue_;
const raw_ptr<WaylandConnection> connection_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_HOST_XDG_ACTIVATION_H_
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