| // 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_CONSTANTS_H_ |
| #define UI_DISPLAY_TYPES_DISPLAY_CONSTANTS_H_ |
| |
| #include <stdint.h> |
| |
| namespace display { |
| |
| // Display ID that represents an invalid display. Often used as a default value |
| // before display IDs are known. |
| constexpr int64_t kInvalidDisplayId = -1; |
| |
| // Display ID that represents a valid display to be used when there's no actual |
| // display connected. |
| constexpr int64_t kDefaultDisplayId = 0xFF; |
| |
| // Display ID for a virtual display assigned to a unified desktop. |
| constexpr int64_t kUnifiedDisplayId = -10; |
| |
| // Invalid year of manufacture of the display. |
| constexpr int32_t kInvalidYearOfManufacture = -1; |
| |
| // Used to describe the state of a multi-display configuration. |
| enum MultipleDisplayState { |
| MULTIPLE_DISPLAY_STATE_INVALID, |
| MULTIPLE_DISPLAY_STATE_HEADLESS, |
| MULTIPLE_DISPLAY_STATE_SINGLE, |
| MULTIPLE_DISPLAY_STATE_DUAL_MIRROR, // TODO(crbug.com/774795) Rename this. |
| MULTIPLE_DISPLAY_STATE_MULTI_EXTENDED, // 2+ displays in extended mode. |
| }; |
| |
| // Video output types. |
| enum DisplayConnectionType { |
| DISPLAY_CONNECTION_TYPE_NONE = 0, |
| DISPLAY_CONNECTION_TYPE_UNKNOWN = 1 << 0, |
| DISPLAY_CONNECTION_TYPE_INTERNAL = 1 << 1, |
| DISPLAY_CONNECTION_TYPE_VGA = 1 << 2, |
| DISPLAY_CONNECTION_TYPE_HDMI = 1 << 3, |
| DISPLAY_CONNECTION_TYPE_DVI = 1 << 4, |
| DISPLAY_CONNECTION_TYPE_DISPLAYPORT = 1 << 5, |
| DISPLAY_CONNECTION_TYPE_NETWORK = 1 << 6, |
| |
| // Update this when adding a new type. |
| DISPLAY_CONNECTION_TYPE_LAST = DISPLAY_CONNECTION_TYPE_NETWORK |
| }; |
| |
| // Content protection methods applied on video output. |
| enum ContentProtectionMethod { |
| CONTENT_PROTECTION_METHOD_NONE = 0, |
| CONTENT_PROTECTION_METHOD_HDCP = 1 << 0, |
| }; |
| |
| // HDCP protection state. |
| enum HDCPState { |
| HDCP_STATE_UNDESIRED, |
| HDCP_STATE_DESIRED, |
| HDCP_STATE_ENABLED, |
| |
| // Update this when adding a new type. |
| HDCP_STATE_LAST = HDCP_STATE_ENABLED |
| }; |
| |
| } // namespace display |
| |
| #endif // UI_DISPLAY_TYPES_DISPLAY_CONSTANTS_H_ |