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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 mus.mojom; | |
6 | |
7 import "components/mus/public/interfaces/window_manager_constants.mojom"; | |
8 | |
9 interface DisplayManagerObserver { | |
10 // Sent when the observer is added. Gives the initial state. | |
11 OnDisplays(array<Display> 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<Display> 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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