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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 <vector>
#include "ui/display/types/display_constants.h"
#include "ui/display/types/display_mode.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
namespace ui {
// 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:
DisplaySnapshot(int64_t display_id,
const gfx::Point& origin,
const gfx::Size& physical_size,
DisplayConnectionType type,
bool is_aspect_preserving_scaling,
bool has_overscan,
std::string display_name,
const std::vector<const DisplayMode*>& modes,
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_; }
ui::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_; }
int64_t display_id() const { return display_id_; }
const DisplayMode* current_mode() const { return current_mode_; }
const DisplayMode* native_mode() const { return native_mode_; }
const std::vector<const DisplayMode*>& modes() const { return modes_; }
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); }
// Returns a textual representation of this display state.
virtual std::string ToString() const = 0;
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_;
std::string display_name_;
std::vector<const DisplayMode*> modes_; // Not owned.
// Mode currently being used by the output.
const DisplayMode* current_mode_;
// "Best" mode supported by the output.
const DisplayMode* native_mode_;
DISALLOW_COPY_AND_ASSIGN(DisplaySnapshot);
};
} // namespace ui
#endif // UI_DISPLAY_TYPES_DISPLAY_SNAPSHOT_H_