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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 import 'dart:sky' as sky; | 5 import 'dart:sky' as sky; |
| 6 import 'rendering/box.dart'; | 6 import 'rendering/box.dart'; |
| 7 import 'rendering/object.dart'; | 7 import 'rendering/object.dart'; |
| 8 import 'scheduler.dart' as scheduler; | 8 import 'scheduler.dart' as scheduler; |
| 9 | 9 |
| 10 class PointerState { | 10 class PointerState { |
| 11 HitTestResult result; | 11 HitTestResult result; |
| 12 sky.Point lastPosition; | 12 Point lastPosition; |
| 13 | 13 |
| 14 PointerState({ this.result, this.lastPosition }); | 14 PointerState({ this.result, this.lastPosition }); |
| 15 } | 15 } |
| 16 | 16 |
| 17 class AppView { | 17 class AppView { |
| 18 | 18 |
| 19 AppView(RenderBox root) { | 19 AppView(RenderBox root) { |
| 20 sky.view.setEventCallback(_handleEvent); | 20 sky.view.setEventCallback(_handleEvent); |
| 21 scheduler.init(); | 21 scheduler.init(); |
| 22 scheduler.addPersistentFrameCallback(_beginFrame); | 22 scheduler.addPersistentFrameCallback(_beginFrame); |
| (...skipping 21 matching lines...) Expand all Loading... |
| 44 onFrame(); | 44 onFrame(); |
| 45 RenderObject.flushLayout(); | 45 RenderObject.flushLayout(); |
| 46 _renderView.paintFrame(); | 46 _renderView.paintFrame(); |
| 47 } | 47 } |
| 48 | 48 |
| 49 void _handleEvent(sky.Event event) { | 49 void _handleEvent(sky.Event event) { |
| 50 if (event is sky.PointerEvent) { | 50 if (event is sky.PointerEvent) { |
| 51 _handlePointerEvent(event); | 51 _handlePointerEvent(event); |
| 52 } else if (event is sky.GestureEvent) { | 52 } else if (event is sky.GestureEvent) { |
| 53 HitTestResult result = new HitTestResult(); | 53 HitTestResult result = new HitTestResult(); |
| 54 _renderView.hitTest(result, position: new sky.Point(event.x, event.y)); | 54 _renderView.hitTest(result, position: new Point(event.x, event.y)); |
| 55 dispatchEvent(event, result); | 55 dispatchEvent(event, result); |
| 56 } | 56 } |
| 57 } | 57 } |
| 58 | 58 |
| 59 PointerState _createStateForPointer(sky.PointerEvent event, sky.Point position
) { | 59 PointerState _createStateForPointer(sky.PointerEvent event, Point position) { |
| 60 HitTestResult result = new HitTestResult(); | 60 HitTestResult result = new HitTestResult(); |
| 61 _renderView.hitTest(result, position: position); | 61 _renderView.hitTest(result, position: position); |
| 62 PointerState state = new PointerState(result: result, lastPosition: position
); | 62 PointerState state = new PointerState(result: result, lastPosition: position
); |
| 63 _stateForPointer[event.pointer] = state; | 63 _stateForPointer[event.pointer] = state; |
| 64 return state; | 64 return state; |
| 65 } | 65 } |
| 66 | 66 |
| 67 void _handlePointerEvent(sky.PointerEvent event) { | 67 void _handlePointerEvent(sky.PointerEvent event) { |
| 68 sky.Point position = new sky.Point(event.x, event.y); | 68 Point position = new Point(event.x, event.y); |
| 69 | 69 |
| 70 PointerState state; | 70 PointerState state; |
| 71 switch(event.type) { | 71 switch(event.type) { |
| 72 case 'pointerdown': | 72 case 'pointerdown': |
| 73 state = _createStateForPointer(event, position); | 73 state = _createStateForPointer(event, position); |
| 74 break; | 74 break; |
| 75 case 'pointerup': | 75 case 'pointerup': |
| 76 case 'pointercancel': | 76 case 'pointercancel': |
| 77 state = _stateForPointer[event.pointer]; | 77 state = _stateForPointer[event.pointer]; |
| 78 _stateForPointer.remove(event.pointer); | 78 _stateForPointer.remove(event.pointer); |
| (...skipping 18 matching lines...) Expand all Loading... |
| 97 node.handleEvent(event); | 97 node.handleEvent(event); |
| 98 } | 98 } |
| 99 | 99 |
| 100 String toString() => 'Render Tree:\n${_renderView}'; | 100 String toString() => 'Render Tree:\n${_renderView}'; |
| 101 | 101 |
| 102 void debugDumpRenderTree() { | 102 void debugDumpRenderTree() { |
| 103 toString().split('\n').forEach(print); | 103 toString().split('\n').forEach(print); |
| 104 } | 104 } |
| 105 | 105 |
| 106 } | 106 } |
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