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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 module mojo; | 5 module mojo; |
| 6 | 6 |
| 7 import "geometry/public/interfaces/geometry.mojom"; | 7 import "components/gpu/public/interfaces/context_provider.mojom"; |
| 8 import "gpu/public/interfaces/context_provider.mojom"; | 8 import "ui/mojo/geometry/geometry.mojom"; |
| 9 import "input_events/public/interfaces/input_events.mojom"; | 9 import "ui/mojo/events/input_events.mojom"; |
| 10 | 10 |
| 11 struct ViewportMetrics { | 11 struct ViewportMetrics { |
| 12 Size size; | 12 Size size; |
| 13 float device_pixel_ratio = 1.0; | 13 float device_pixel_ratio = 1.0; |
| 14 }; | 14 }; |
| 15 | 15 |
| 16 interface NativeViewport { | 16 interface NativeViewport { |
| 17 // TODO(sky): having a create function is awkward. Should there be a factory | 17 // TODO(sky): having a create function is awkward. Should there be a factory |
| 18 // to create the NativeViewport that takes the size? | 18 // to create the NativeViewport that takes the size? |
| 19 Create(Size size) => (ViewportMetrics metrics); | 19 Create(Size size) => (ViewportMetrics metrics); |
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| 32 // method. Call RequestMetrics() to receive updates when the viewport metrics | 32 // method. Call RequestMetrics() to receive updates when the viewport metrics |
| 33 // change. The reply will be sent when the viewport metrics are different from | 33 // change. The reply will be sent when the viewport metrics are different from |
| 34 // the values last sent, so to receive continuous updates call this method | 34 // the values last sent, so to receive continuous updates call this method |
| 35 // again after receiving the callback. | 35 // again after receiving the callback. |
| 36 RequestMetrics() => (ViewportMetrics metrics); | 36 RequestMetrics() => (ViewportMetrics metrics); |
| 37 }; | 37 }; |
| 38 | 38 |
| 39 interface NativeViewportEventDispatcher { | 39 interface NativeViewportEventDispatcher { |
| 40 OnEvent(Event event) => (); | 40 OnEvent(Event event) => (); |
| 41 }; | 41 }; |
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