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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_CHROMEOS_NATIVE_DISPLAY_DELEGATE_H_
#define UI_DISPLAY_CHROMEOS_NATIVE_DISPLAY_DELEGATE_H_
#include <stdint.h>
#include <vector>
#include "ui/display/display_constants.h"
#include "ui/display/display_export.h"
namespace gfx {
class Point;
class Size;
}
namespace ui {
class DisplayMode;
class DisplaySnapshot;
class NativeDisplayObserver;
// Interface for classes that perform display configuration actions on behalf
// of OutputConfigurator.
class DISPLAY_EXPORT NativeDisplayDelegate {
public:
virtual ~NativeDisplayDelegate() {}
virtual void Initialize() = 0;
// Grabs and refreshes any display server related resources. Must be balanced
// by a call to UngrabServer().
virtual void GrabServer() = 0;
// Released the display server and any resources allocated by GrabServer().
virtual void UngrabServer() = 0;
// Flushes all pending requests and waits for replies.
virtual void SyncWithServer() = 0;
// Sets the window's background color to |color_argb|.
virtual void SetBackgroundColor(uint32_t color_argb) = 0;
// Enables DPMS and forces it to the "on" state.
virtual void ForceDPMSOn() = 0;
// Returns information about the current outputs. This method may block for
// 60 milliseconds or more.
// NativeDisplayDelegate maintains ownership of the ui::DisplaySnapshot
// pointers.
virtual std::vector<ui::DisplaySnapshot*> GetOutputs() = 0;
// Adds |mode| to |output|. |mode| must be a valid display mode pointer.
virtual void AddMode(const ui::DisplaySnapshot& output,
const ui::DisplayMode* mode) = 0;
// Configures the display represented by |output| to use |mode| and positions
// the display to |origin| in the framebuffer. |mode| can be NULL, which
// represents disabling the display. Returns true on success.
virtual bool Configure(const ui::DisplaySnapshot& output,
const ui::DisplayMode* mode,
const gfx::Point& origin) = 0;
// Called to set the frame buffer (underlying XRR "screen") size.
virtual void CreateFrameBuffer(const gfx::Size& size) = 0;
// Gets HDCP state of output.
virtual bool GetHDCPState(const ui::DisplaySnapshot& output,
ui::HDCPState* state) = 0;
// Sets HDCP state of output.
virtual bool SetHDCPState(const ui::DisplaySnapshot& output,
ui::HDCPState state) = 0;
// Gets the available list of color calibrations.
virtual std::vector<ui::ColorCalibrationProfile>
GetAvailableColorCalibrationProfiles(
const ui::DisplaySnapshot& output) = 0;
// Sets the color calibration of |output| to |new_profile|.
virtual bool SetColorCalibrationProfile(
const ui::DisplaySnapshot& output,
ui::ColorCalibrationProfile new_profile) = 0;
virtual void AddObserver(NativeDisplayObserver* observer) = 0;
virtual void RemoveObserver(NativeDisplayObserver* observer) = 0;
};
} // namespace ui
#endif // UI_DISPLAY_CHROMEOS_NATIVE_DISPLAY_DELEGATE_H_
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