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// Copyright 2022 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 "ui/ozone/platform/wayland/host/xdg_activation.h"
#include <xdg-activation-v1-client-protocol.h>
#include <memory>
#include "base/bind.h"
#include "base/callback.h"
#include "base/check_op.h"
#include "base/logging.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"
#include "ui/ozone/platform/wayland/host/wayland_seat.h"
#include "ui/ozone/platform/wayland/host/wayland_serial_tracker.h"
#include "ui/ozone/platform/wayland/host/wayland_window.h"
namespace ui {
namespace {
constexpr uint32_t kMaxVersion = 1;
}
using ActivationDoneCallback = base::OnceCallback<void(std::string token)>;
// Wraps the actual activation token.
class XdgActivation::Token {
public:
Token(wl::Object<xdg_activation_token_v1> token,
wl_surface* surface,
wl_seat* seat,
absl::optional<wl::Serial> serial,
ActivationDoneCallback callback);
Token(const Token&) = delete;
Token& operator=(const Token&) = delete;
~Token();
private:
static void Done(void* data,
struct xdg_activation_token_v1* xdg_activation_token_v1,
const char* token);
wl::Object<xdg_activation_token_v1> token_;
ActivationDoneCallback callback_;
};
// static
constexpr char XdgActivation::kInterfaceName[];
// static
void XdgActivation::Instantiate(WaylandConnection* connection,
wl_registry* registry,
uint32_t name,
const std::string& interface,
uint32_t version) {
DCHECK_EQ(interface, kInterfaceName);
if (connection->xdg_activation_)
return;
auto instance = wl::Bind<::xdg_activation_v1>(registry, name,
std::min(version, kMaxVersion));
if (!instance) {
LOG(ERROR) << "Failed to bind " << kInterfaceName;
return;
}
connection->xdg_activation_ =
std::make_unique<XdgActivation>(std::move(instance), connection);
}
XdgActivation::XdgActivation(wl::Object<xdg_activation_v1> xdg_activation_v1,
WaylandConnection* connection)
: xdg_activation_v1_(std::move(xdg_activation_v1)),
connection_(connection) {}
XdgActivation::~XdgActivation() = default;
void XdgActivation::Activate(wl_surface* surface) const {
const WaylandWindow* const active_window =
connection_->wayland_window_manager()->GetCurrentActiveWindow();
if (!active_window) {
LOG(WARNING) << "Cannot activate a window because no active windows found!";
return;
}
if (token_.get() != nullptr) {
// TODO(crbug.com/1175327): chain the incoming request and try to serve it
// after the current one is done.
LOG(WARNING) << "Another activation request is in progress!";
return;
}
auto* const token =
xdg_activation_v1_get_activation_token(xdg_activation_v1_.get());
if (!token) {
LOG(WARNING) << "Could not get an XDG activation token!";
return;
}
token_ = std::make_unique<Token>(
wl::Object<xdg_activation_token_v1>(token),
active_window->root_surface()->surface(),
connection_->seat()->wl_object(),
connection_->serial_tracker().GetSerial(
{wl::SerialType::kTouchPress, wl::SerialType::kMousePress,
wl::SerialType::kMouseEnter, wl::SerialType::kKeyPress}),
base::BindOnce(&XdgActivation::OnActivateDone, weak_factory_.GetWeakPtr(),
surface));
}
void XdgActivation::OnActivateDone(wl_surface* surface, std::string token) {
xdg_activation_v1_activate(xdg_activation_v1_.get(), token.c_str(), surface);
token_.reset();
}
XdgActivation::Token::Token(wl::Object<xdg_activation_token_v1> token,
wl_surface* surface,
wl_seat* seat,
absl::optional<wl::Serial> serial,
ActivationDoneCallback callback)
: token_(std::move(token)), callback_(std::move(callback)) {
static constexpr xdg_activation_token_v1_listener kListener = {&Done};
xdg_activation_token_v1_add_listener(token_.get(), &kListener, this);
xdg_activation_token_v1_set_surface(token_.get(), surface);
if (serial)
xdg_activation_token_v1_set_serial(token_.get(), serial->value, seat);
xdg_activation_token_v1_commit(token_.get());
}
XdgActivation::Token::~Token() = default;
// static
void XdgActivation::Token::Done(
void* data,
struct xdg_activation_token_v1* xdg_activation_token_v1,
const char* token) {
auto* const self = static_cast<XdgActivation::Token*>(data);
std::move(self->callback_).Run(token);
}
} // namespace ui
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