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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 module ui.mojom; | |
| 6 | |
| 7 import "services/ui/public/interfaces/window_manager_constants.mojom"; | |
| 8 | |
| 9 interface DisplayManagerObserver { | |
| 10 // Sent when the observer is added. Gives the initial state. | |
| 11 OnDisplays(array<WsDisplay> displays); | |
| 12 | |
| 13 // The specified set of displays has changed in some way. This is used both | |
| 14 // when a new display is added, or when a property of a display changes. | |
| 15 // |displays| does not necessarily contain the complete set of displays, | |
| 16 // only those that changed. | |
| 17 OnDisplaysChanged(array<WsDisplay> displays); | |
| 18 | |
| 19 // An existing display was removed. | |
| 20 OnDisplayRemoved(int64 id); | |
| 21 }; | |
| 22 | |
| 23 interface DisplayManager { | |
| 24 AddObserver(DisplayManagerObserver observer); | |
| 25 }; | |
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