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// Copyright 2023 The Chromium Authors
// 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/fractional_scale_manager.h"
#include <fractional-scale-v1-client-protocol.h>
#include "base/check_op.h"
#include "base/logging.h"
#include "ui/ozone/common/features.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"
namespace ui {
namespace {
constexpr uint32_t kMaxVersion = 1;
} // namespace
// static
void FractionalScaleManager::Instantiate(WaylandConnection* connection,
wl_registry* registry,
uint32_t name,
const std::string& interface,
uint32_t version) {
if (!IsWaylandFractionalScaleV1Enabled()) {
return;
}
CHECK_EQ(interface, kInterfaceName) << "Expected \"" << kInterfaceName
<< "\" but got \"" << interface << "\"";
if (connection->fractional_scale_manager_v1_) {
return;
}
auto instance = wl::Bind<::wp_fractional_scale_manager_v1>(
registry, name, std::min(version, kMaxVersion));
if (!instance) {
LOG(ERROR) << "Failed to bind " << kInterfaceName;
return;
}
connection->fractional_scale_manager_v1_ = std::move(instance);
connection->set_supports_viewporter_surface_scaling(true);
}
} // namespace ui
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