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// Copyright 2014 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.
#ifndef UI_DISPLAY_TYPES_DISPLAY_SNAPSHOT_H_
#define UI_DISPLAY_TYPES_DISPLAY_SNAPSHOT_H_
#include <stdint.h>
#include <vector>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "ui/display/types/display_constants.h"
#include "ui/display/types/display_mode.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
namespace display {
// This class represents the state of a display at one point in time. Platforms
// will extend this class in order to add platform specific configuration and
// identifiers required to configure this display.
class DISPLAY_TYPES_EXPORT DisplaySnapshot {
public:
using DisplayModeList = std::vector<std::unique_ptr<const DisplayMode>>;
DisplaySnapshot(int64_t display_id,
const gfx::Point& origin,
const gfx::Size& physical_size,
DisplayConnectionType type,
bool is_aspect_preserving_scaling,
bool has_overscan,
bool has_color_correction_matrix,
std::string display_name,
const base::FilePath& sys_path,
DisplayModeList modes,
const std::vector<uint8_t>& edid,
const DisplayMode* current_mode,
const DisplayMode* native_mode);
virtual ~DisplaySnapshot();
const gfx::Point& origin() const { return origin_; }
const gfx::Size& physical_size() const { return physical_size_; }
DisplayConnectionType type() const { return type_; }
bool is_aspect_preserving_scaling() const {
return is_aspect_preserving_scaling_;
}
bool has_overscan() const { return has_overscan_; }
std::string display_name() const { return display_name_; }
const base::FilePath& sys_path() const { return sys_path_; }
int64_t display_id() const { return display_id_; }
const DisplayMode* current_mode() const { return current_mode_; }
const DisplayMode* native_mode() const { return native_mode_; }
int64_t product_id() const { return product_id_; }
const gfx::Size& maximum_cursor_size() const { return maximum_cursor_size_; }
const DisplayModeList& modes() const { return modes_; }
const std::vector<uint8_t>& edid() const { return edid_; }
void set_current_mode(const DisplayMode* mode) { current_mode_ = mode; }
void set_origin(const gfx::Point& origin) { origin_ = origin; }
void add_mode(const DisplayMode* mode) {
modes_.push_back(mode->Clone());
}
// Whether this display has advanced color correction available.
bool has_color_correction_matrix() const {
return has_color_correction_matrix_;
}
// Returns a textual representation of this display state.
virtual std::string ToString() const = 0;
// Used when no product id known.
static const int64_t kInvalidProductID = -1;
// Return the buffer format to be used for the primary plane buffer.
static gfx::BufferFormat PrimaryFormat();
protected:
// Display id for this output.
int64_t display_id_;
// Display's origin on the framebuffer.
gfx::Point origin_;
gfx::Size physical_size_;
DisplayConnectionType type_;
bool is_aspect_preserving_scaling_;
bool has_overscan_;
bool has_color_correction_matrix_;
std::string display_name_;
base::FilePath sys_path_;
DisplayModeList modes_;
// The display's EDID. It can be empty if nothing extracted such as in the
// case of a virtual display.
std::vector<uint8_t> edid_;
// Mode currently being used by the output.
const DisplayMode* current_mode_;
// "Best" mode supported by the output.
const DisplayMode* native_mode_;
// Combination of manufacturer and product code.
int64_t product_id_;
// Maximum supported cursor size on this display.
gfx::Size maximum_cursor_size_;
private:
DISALLOW_COPY_AND_ASSIGN(DisplaySnapshot);
};
} // namespace display
#endif // UI_DISPLAY_TYPES_DISPLAY_SNAPSHOT_H_