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// Copyright 2021 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_OUTPUT_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_XDG_OUTPUT_H_
#include <cstdint>
#include <string>
#include "base/gtest_prod_util.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
#include "ui/ozone/platform/wayland/host/wayland_output.h"
namespace ui {
class XDGOutput {
public:
explicit XDGOutput(zxdg_output_v1* xdg_output);
XDGOutput(const XDGOutput&) = delete;
XDGOutput& operator=(const XDGOutput&) = delete;
~XDGOutput();
// Returns true if all state defined by this extension necessary to correctly
// represent the Display has successfully arrived from the server.
bool IsReady() const;
// Called after wl_output.done event has been received for this output.
void HandleDone();
// Called after processing the wl_output.done event. Translates the received
// state into the metrics object as part of a chained atomic update.
void UpdateMetrics(bool compute_scale_from_size,
WaylandOutput::Metrics& metrics);
private:
FRIEND_TEST_ALL_PREFIXES(WaylandOutputTest, NameAndDescriptionFallback);
FRIEND_TEST_ALL_PREFIXES(WaylandOutputTest, ScaleFactorCalculation);
FRIEND_TEST_ALL_PREFIXES(WaylandOutputTest, ScaleFactorFallback);
FRIEND_TEST_ALL_PREFIXES(WaylandOutputTest, ScaleFactorCalculationNoop);
// zxdg_output_v1_listener callbacks:
static void OnLogicalPosition(void* data,
zxdg_output_v1* output,
int32_t x,
int32_t y);
static void OnLogicalSize(void* data,
zxdg_output_v1* output,
int32_t width,
int32_t height);
static void OnDone(void* data, zxdg_output_v1* output);
static void OnName(void* data, zxdg_output_v1* output, const char* name);
static void OnDescription(void* data,
zxdg_output_v1* output,
const char* description);
// Tracks whether this xdg_output is considered "ready". I.e. it has received
// all of its relevant Display state from the server followed by a
// wl_output.done event.
bool is_ready_ = false;
wl::Object<zxdg_output_v1> xdg_output_;
gfx::Point logical_position_;
gfx::Size logical_size_;
std::string description_;
std::string name_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_HOST_XDG_OUTPUT_H_
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