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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library script_inset_element; | |
| 6 | |
| 7 import 'dart:html'; | |
| 8 import 'observatory_element.dart'; | |
| 9 import 'package:observatory/service.dart'; | |
| 10 import 'package:polymer/polymer.dart'; | |
| 11 | |
| 12 /// Box with script source code in it. | |
| 13 @CustomTag('script-inset') | |
| 14 class ScriptInsetElement extends ObservatoryElement { | |
| 15 @published Script script; | |
| 16 | |
| 17 /// Set the height to make the script inset scroll. Otherwise it | |
| 18 /// will show from startPos to endPos. | |
| 19 @published String height = null; | |
| 20 | |
| 21 @published int currentPos; | |
| 22 @published int startPos; | |
| 23 @published int endPos; | |
| 24 | |
| 25 @observable int currentLine; | |
| 26 @observable int startLine; | |
| 27 @observable int endLine; | |
| 28 @observable bool linesReady = false; | |
| 29 | |
| 30 @observable List<ScriptLine> lines = toObservable([]); | |
| 31 | |
| 32 String makeLineId(int line) { | |
| 33 return 'line-$line'; | |
| 34 } | |
| 35 | |
| 36 MutationObserver _observer; | |
| 37 | |
| 38 void _scrollToCurrentPos() { | |
| 39 var line = shadowRoot.querySelector('#line-$currentLine'); | |
| 40 if (line != null) { | |
| 41 line.scrollIntoView(); | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 void _onMutation(mutations, observer) { | |
| 46 _scrollToCurrentPos(); | |
| 47 } | |
| 48 | |
| 49 void attached() { | |
| 50 super.attached(); | |
| 51 var table = shadowRoot.querySelector('.sourceTable'); | |
| 52 if (table != null) { | |
| 53 _observer = new MutationObserver(_onMutation); | |
| 54 _observer.observe(table, childList:true); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 void detached() { | |
| 59 if (_observer != null) { | |
| 60 _observer.disconnect(); | |
| 61 _observer = null; | |
| 62 } | |
| 63 super.detached(); | |
| 64 } | |
| 65 | |
| 66 void currentPosChanged(oldValue) { | |
| 67 _updateLines(); | |
| 68 _scrollToCurrentPos(); | |
| 69 } | |
| 70 | |
| 71 void startPosChanged(oldValue) { | |
| 72 _updateLines(); | |
| 73 } | |
| 74 | |
| 75 void endPosChanged(oldValue) { | |
| 76 _updateLines(); | |
| 77 } | |
| 78 | |
| 79 void scriptChanged(oldValue) { | |
| 80 _updateLines(); | |
| 81 } | |
| 82 | |
| 83 var _updateFuture; | |
| 84 | |
| 85 void _updateLines() { | |
| 86 linesReady = false; | |
| 87 if (_updateFuture != null) { | |
| 88 // Already scheduled. | |
| 89 return; | |
| 90 } | |
| 91 if (script == null) { | |
| 92 // Wait for script to be assigned. | |
| 93 return; | |
| 94 } | |
| 95 if (!script.loaded) { | |
| 96 _updateFuture = script.load().then((_) { | |
| 97 if (script.loaded) { | |
| 98 _updateFuture = null; | |
| 99 _updateLines(); | |
| 100 } | |
| 101 }); | |
| 102 return; | |
| 103 } | |
| 104 startLine = (startPos != null | |
| 105 ? script.tokenToLine(startPos) | |
| 106 : 1); | |
| 107 currentLine = (currentPos != null | |
| 108 ? script.tokenToLine(currentPos) | |
| 109 : null); | |
| 110 endLine = (endPos != null | |
| 111 ? script.tokenToLine(endPos) | |
| 112 : script.lines.length); | |
| 113 | |
| 114 lines.clear(); | |
| 115 for (int i = (startLine - 1); i <= (endLine - 1); i++) { | |
| 116 lines.add(script.lines[i]); | |
| 117 } | |
| 118 linesReady = true; | |
| 119 } | |
| 120 | |
| 121 ScriptInsetElement.created() : super.created(); | |
| 122 } | |
| 123 | |
| 124 @CustomTag('breakpoint-toggle') | |
| 125 class BreakpointToggleElement extends ObservatoryElement { | |
| 126 @published ScriptLine line; | |
| 127 @observable bool busy = false; | |
| 128 | |
| 129 void toggleBreakpoint(var a, var b, var c) { | |
| 130 if (busy) { | |
| 131 return; | |
| 132 } | |
| 133 busy = true; | |
| 134 if (line.bpt == null) { | |
| 135 // No breakpoint. Set it. | |
| 136 line.script.isolate.setBreakpoint(line.script, line.line).then((_) { | |
| 137 busy = false; | |
| 138 }); | |
| 139 } else { | |
| 140 // Existing breakpoint. Remove it. | |
| 141 line.script.isolate.clearBreakpoint(line.bpt).then((_) { | |
| 142 busy = false; | |
| 143 }); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 BreakpointToggleElement.created() : super.created(); | |
| 148 } | |
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Chromium Code Reviews
Issue 837723004:
Build Observatory as part of runtime (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart