[1/2][Ozone-Drm] Refactor GPU display management

ui/ozone/platform/drm/gpu/drm_display.h

+// Copyright 2015 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_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_
+#define UI_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_
+
+#include <vector>
+
+#include "base/memory/ref_counted.h"
+#include "ui/display/types/display_constants.h"
+
+typedef struct _drmModeModeInfo drmModeModeInfo;
+
+namespace gfx {
+class Point;
+}
+
+namespace ui {
+
+class DrmDevice;
+class ScreenManager;
+
+struct GammaRampRGBEntry;
+
+class DrmDisplay {
+ public:
+  DrmDisplay(ScreenManager* screen_manager,
+             int64_t display_id,
+             const scoped_refptr<DrmDevice>& drm,
+             uint32_t crtc,
+             uint32_t connector,
+             const std::vector<drmModeModeInfo>& modes);
+  ~DrmDisplay();
+
+  int64_t display_id() const { return display_id_; }
+  scoped_refptr<DrmDevice> drm() const { return drm_; }
+  uint32_t crtc() const { return crtc_; }
+  uint32_t connector() const { return connector_; }
+  const std::vector<drmModeModeInfo>& modes() const { return modes_; }
+
+  bool Configure(const drmModeModeInfo* mode, const gfx::Point& origin);
+  bool GetHDCPState(HDCPState* state);
+  bool SetHDCPState(HDCPState state);
+  void SetGammaRamp(const std::vector<GammaRampRGBEntry>& lut);
+
+ private:
+  ScreenManager* screen_manager_;  // Not owned.
+
+  int64_t display_id_;
+  scoped_refptr<DrmDevice> drm_;
+  uint32_t crtc_;
+  uint32_t connector_;
+  std::vector<drmModeModeInfo> modes_;
+
+  DISALLOW_COPY_AND_ASSIGN(DrmDisplay);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_