| Chris Craik | b122baf | 2015-03-05 13:58:42 -0800 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <!-- |
| 3 | Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| 4 | Use of this source code is governed by a BSD-style license that can be |
| 5 | found in the LICENSE file. |
| 6 | --> |
| 7 | |
| 8 | <link rel="import" href="/base/task.html"> |
| 9 | <link rel="import" href="/core/scripting_controller.html"> |
| 10 | <link rel="import" href="/core/timeline_track_view.html"> |
| Chris Craik | 44c2820 | 2015-05-12 17:25:16 -0700 | [diff] [blame^] | 11 | <link rel="import" href="/extras/tquery/tquery.html"> |
| Chris Craik | b122baf | 2015-03-05 13:58:42 -0800 | [diff] [blame] | 12 | |
| 13 | <polymer-element |
| 14 | name="tracing-scripting-control" constructor="TracingScriptingControl"> |
| 15 | <template> |
| 16 | <style> |
| 17 | :host { |
| 18 | flex: 1 1 auto; |
| 19 | } |
| 20 | .root { |
| 21 | font-family: monospace; |
| 22 | cursor: text; |
| 23 | |
| 24 | padding: 2px; |
| 25 | margin: 2px; |
| 26 | border: 1px solid rgba(0, 0, 0, 0.5); |
| 27 | background: white; |
| 28 | |
| 29 | height: 100px; |
| 30 | overflow-y: auto; |
| 31 | |
| 32 | transition-property: opacity, height, padding, margin; |
| 33 | transition-duration: .2s; |
| 34 | transition-timing-function: ease-out; |
| 35 | } |
| 36 | .hidden { |
| 37 | margin-top: 0px; |
| 38 | margin-bottom: 0px; |
| 39 | padding-top: 0px; |
| 40 | padding-bottom: 0px; |
| 41 | height: 0px; |
| 42 | opacity: 0; |
| 43 | } |
| 44 | .focused { |
| 45 | outline: auto 5px -webkit-focus-ring-color; |
| 46 | } |
| 47 | #history { |
| 48 | -webkit-user-select: text; |
| 49 | color: #777; |
| 50 | } |
| 51 | #prompt { |
| 52 | -webkit-user-select: text; |
| 53 | -webkit-user-modify: read-write-plaintext-only; |
| 54 | text-overflow: clip !important; |
| 55 | text-decoration: none !important; |
| 56 | } |
| 57 | #prompt:focus { |
| 58 | outline: none; |
| 59 | } |
| 60 | #prompt br { |
| 61 | display: none; |
| 62 | } |
| 63 | #prompt ::before { |
| 64 | content: ">"; |
| 65 | color: #468; |
| 66 | } |
| 67 | </style> |
| 68 | |
| 69 | <div id="root" class="root hidden" tabindex="0" |
| 70 | on-focus="{{ onConsoleFocus }}"> |
| 71 | <div id='history'></div> |
| 72 | <div id='prompt' |
| 73 | on-keypress="{{ promptKeyPress }}" |
| 74 | on-keydown="{{ promptKeyDown }}" |
| 75 | on-blur="{{ onConsoleBlur }}"> |
| 76 | </template> |
| 77 | |
| 78 | <script> |
| 79 | 'use strict'; |
| 80 | |
| 81 | Polymer({ |
| 82 | _isEnterKey: function(event) { |
| 83 | // Check if in IME. |
| 84 | return event.keyCode !== 229 && event.keyIdentifier === 'Enter'; |
| 85 | }, |
| 86 | |
| 87 | _setFocused: function(focused) { |
| 88 | var promptEl = this.$.prompt; |
| 89 | if (focused) { |
| 90 | promptEl.focus(); |
| 91 | this.$.root.classList.add('focused'); |
| 92 | // Move cursor to the end of any existing text. |
| 93 | if (promptEl.innerText.length > 0) { |
| 94 | var sel = window.getSelection(); |
| 95 | sel.collapse(promptEl.firstChild, promptEl.innerText.length); |
| 96 | } |
| 97 | } else { |
| 98 | promptEl.blur(); |
| 99 | this.$.root.classList.remove('focused'); |
| 100 | // Workaround for crbug.com/89026 to ensure the prompt doesn't retain |
| 101 | // keyboard focus. |
| Chris Craik | 1983215 | 2015-04-16 15:43:38 -0700 | [diff] [blame] | 102 | var parent = promptEl.parentElement; |
| 103 | var nextEl = promptEl.nextSibling; |
| 104 | promptEl.remove(); |
| 105 | parent.insertBefore(promptEl, nextEl); |
| Chris Craik | b122baf | 2015-03-05 13:58:42 -0800 | [diff] [blame] | 106 | } |
| 107 | }, |
| 108 | |
| 109 | onConsoleFocus: function(e) { |
| 110 | e.stopPropagation(); |
| 111 | this._setFocused(true); |
| 112 | }, |
| 113 | |
| 114 | onConsoleBlur: function(e) { |
| 115 | e.stopPropagation(); |
| 116 | this._setFocused(false); |
| 117 | }, |
| 118 | |
| 119 | promptKeyDown: function(e) { |
| 120 | e.stopPropagation(); |
| 121 | if (!this._isEnterKey(e)) |
| 122 | return; |
| 123 | var promptEl = this.$.prompt; |
| 124 | var command = promptEl.innerText; |
| 125 | if (command.length === 0) |
| 126 | return; |
| 127 | promptEl.innerText = ''; |
| 128 | this.addLine_(String.fromCharCode(187) + ' ' + command); |
| 129 | |
| 130 | try { |
| 131 | var result = this.controller_.executeCommand(command); |
| 132 | } catch (e) { |
| 133 | result = e.stack || e.stackTrace; |
| 134 | } |
| 135 | |
| 136 | if (result instanceof tv.b.Task) { |
| 137 | // TODO(skyostil): Show a cool spinner. |
| 138 | tv.b.Task.RunWhenIdle(result); |
| 139 | } else { |
| 140 | this.addLine_(result); |
| 141 | } |
| 142 | }, |
| 143 | |
| 144 | addLine_: function(line) { |
| 145 | var historyEl = this.$.history; |
| 146 | if (historyEl.innerText.length !== 0) |
| 147 | historyEl.innerText += '\n'; |
| 148 | historyEl.innerText += line; |
| 149 | }, |
| 150 | |
| 151 | promptKeyPress: function(e) { |
| 152 | e.stopPropagation(); |
| 153 | }, |
| 154 | |
| 155 | toggleVisibility: function() { |
| 156 | var root = this.$.root; |
| 157 | if (!this.visible) { |
| 158 | root.classList.remove('hidden'); |
| 159 | this._setFocused(true); |
| 160 | } else { |
| 161 | root.classList.add('hidden'); |
| 162 | this._setFocused(false); |
| 163 | } |
| 164 | }, |
| 165 | |
| 166 | get hasFocus() { |
| 167 | return this === document.activeElement; |
| 168 | }, |
| 169 | |
| 170 | get visible() { |
| 171 | var root = this.$.root; |
| 172 | return !root.classList.contains('hidden'); |
| 173 | }, |
| 174 | |
| 175 | get controller() { |
| 176 | return this.controller_; |
| 177 | }, |
| 178 | |
| 179 | set controller(c) { |
| 180 | this.controller_ = c; |
| 181 | } |
| 182 | }); |
| 183 | </script> |
| 184 | </polymer-element> |