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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.
#ifndef COMPONENTS_EXO_WAYLAND_ZAURA_OUTPUT_MANAGER_H_
#define COMPONENTS_EXO_WAYLAND_ZAURA_OUTPUT_MANAGER_H_
#include <aura-shell-server-protocol.h>
#include <cstdint>
#include "base/memory/raw_ptr.h"
namespace display {
class Display;
} // namespace display
namespace exo::wayland {
inline constexpr uint32_t kZAuraOutputManagerVersion =
ZAURA_OUTPUT_MANAGER_OVERSCAN_INSETS_SINCE_VERSION;
void bind_aura_output_manager(wl_client* client,
void* data,
uint32_t version,
uint32_t id);
// Responsible for relaying display/output state required by clients for all
// supported output extensions when first bound and subsequently as needed.
class AuraOutputManager {
public:
explicit AuraOutputManager(wl_resource* manager_resource);
AuraOutputManager(const AuraOutputManager&) = delete;
AuraOutputManager& operator=(const AuraOutputManager&) = delete;
virtual ~AuraOutputManager() = default;
// Returns nullptr if there is no metrics manager bound to `client`.
static AuraOutputManager* Get(wl_client* client);
// Returns the display id associated with the `output_resource`. Returns
// display::kInvalidDisplayId if `output_resource` is nullptr.
static int64_t GetDisplayIdForOutput(wl_resource* outout_resource);
// Dispatches multiple events to the client for the full set of output state
// required to correctly represent a display. Returns true if any state events
// were sent based on the the bit-flags in `changed_metrics`.
bool SendOutputMetrics(wl_resource* output_resource,
const display::Display& display,
uint32_t changed_metrics);
// Dispatches the activated event for the `output_resource` to the associated
// client.
void SendOutputActivated(wl_resource* output_resource);
private:
const raw_ptr<wl_client> client_;
const raw_ptr<wl_resource> manager_resource_;
};
} // namespace exo::wayland
#endif // COMPONENTS_EXO_WAYLAND_ZAURA_OUTPUT_MANAGER_H_
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