| // Copyright 2015 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| |
| // Text the user has typed since last hitting Enter |
| var inputText = ''; |
| // The DOM node used as a container for message nodes. |
| var messageLog = null; |
| // Stores and manipulates the set of console values. |
| var consoleValues = null; |
| // Handles command input, editing, history traversal, etc. |
| var commandInput = null; |
| // Object to store methods to be executed in the debug console. |
| var debug = null; |
| // Shorthand reference for the debug object. |
| var d = null; |
| // Handles communication with the debugger. |
| var debuggerClient = null; |
| // Number of animation frame samples since the last update. |
| var animationFrameSamples = 0; |
| |
| // Map of 'Unidentified' additional Cobalt keyCodes to equivalent keys. |
| var unidentifiedCobaltKeyMap = { |
| // kSbKeyGamepad1 |
| 0x8000: 'Enter', |
| // kSbKeyGamepad2 |
| 0x8001: 'Esc', |
| // kSbKeyGamepad3 |
| 0x8002: 'Home', |
| // kSbKeyGamepad5 |
| 0x8008: 'Enter', |
| // kSbKeyGamepad6 |
| 0x8009: 'Enter', |
| // kSbKeyGamepadDPadUp |
| 0x800C: 'ArrowUp', |
| // kSbKeyGamepadDPadDown |
| 0x800D: 'ArrowDown', |
| // kSbKeyGamepadDPadLeft |
| 0x800E: 'ArrowLeft', |
| // kSbKeyGamepadDPadRight |
| 0x800F: 'ArrowRight', |
| // kSbKeyGamepadLeftStickUp |
| 0x8011: 'ArrowUp', |
| // kSbKeyGamepadLeftStickDown |
| 0x8012: 'ArrowDown', |
| // kSbKeyGamepadLeftStickLeft |
| 0x8013: 'ArrowLeft', |
| // kSbKeyGamepadLeftStickRight |
| 0x8014: 'ArrowRight', |
| // kSbKeyGamepadRightStickUp |
| 0x8015: 'ArrowUp', |
| // kSbKeyGamepadRightStickDown |
| 0x8016: 'ArrowDown', |
| // kSbKeyGamepadRightStickLeft |
| 0x8017: 'ArrowLeft', |
| // kSbKeyGamepadRightStickRight |
| 0x8018: 'ArrowRight' |
| }; |
| |
| function createMessageLog() { |
| var messageContainer = document.getElementById('messageContainer'); |
| messageLog = new MessageLog(messageContainer); |
| } |
| |
| function createCommandInput() { |
| var inputElem = document.getElementById('in'); |
| this.commandInput = new CommandInput(inputElem); |
| } |
| |
| function createConsoleValues() { |
| // Create the console values and attempt to load the active set using the |
| // default key. If this fails, it will leave the active set equal to the |
| // all registered CVals. |
| consoleValues = new ConsoleValues(); |
| var loadResult = consoleValues.loadActiveSet(); |
| printToMessageLog(messageLog.INTERACTIVE, loadResult); |
| } |
| |
| function createDebuggerClient() { |
| debuggerClient = new DebuggerClient(); |
| } |
| |
| function showBlockElem(elem, doShow) { |
| if (elem) { |
| var display = doShow ? 'block' : 'none'; |
| if (elem.style.display != display) { |
| elem.style.display = display; |
| } |
| } |
| } |
| |
| function showConsole(doShow) { |
| showBlockElem(document.getElementById('consoleFrame'), doShow); |
| messageLog.setVisible(doShow); |
| } |
| |
| function isConsoleVisible() { |
| var mode = window.debugHub.getDebugConsoleMode(); |
| return mode >= window.debugHub.DEBUG_CONSOLE_ON; |
| } |
| |
| function printToMessageLog(severity, message) { |
| messageLog.addMessage(severity, message); |
| } |
| |
| function showHud(doShow) { |
| showBlockElem(document.getElementById('hudFrame'), doShow); |
| } |
| |
| function printToHud(message) { |
| var elem = document.getElementById('hud'); |
| elem.textContent = message; |
| } |
| |
| function updateHud(time) { |
| var mode = window.debugHub.getDebugConsoleMode(); |
| if (mode >= window.debugHub.DEBUG_CONSOLE_HUD) { |
| consoleValues.update(); |
| var cvalString = consoleValues.toString(); |
| printToHud(cvalString); |
| } |
| } |
| |
| function updateMode() { |
| var mode = window.debugHub.getDebugConsoleMode(); |
| showConsole(mode >= window.debugHub.DEBUG_CONSOLE_ON); |
| showHud(mode >= window.debugHub.DEBUG_CONSOLE_HUD); |
| } |
| |
| // Animation callback: updates state and animated nodes. |
| function animate(time) { |
| var subsample = 8; |
| animationFrameSamples = (animationFrameSamples + 1) % subsample; |
| if (animationFrameSamples == 0) { |
| updateMode(); |
| updateHud(time); |
| if (isConsoleVisible()) { |
| commandInput.animateBlink(); |
| // This will do nothing if debugger is already attached. |
| debuggerClient.attach(); |
| } |
| } |
| window.requestAnimationFrame(animate); |
| } |
| |
| // Executes a command from the history buffer. |
| // Index should be an integer (positive is an absolute index, negative is a |
| // number of commands back from the current) or '!' to execute the last command. |
| function executeCommandFromHistory(idx) { |
| if (idx == '!') { |
| idx = -1; |
| } |
| idx = parseInt(idx); |
| commandInput.setCurrentCommandFromHistory(idx); |
| executeCurrentCommand(); |
| } |
| |
| // Special commands that are executed immediately, not as JavaScript, |
| // e.g. !N to execute the Nth command in the history buffer. |
| // Returns true if the command is processed here, false otherwise. |
| function executeImmediate(command) { |
| if (command[0] == '!') { |
| executeCommandFromHistory(command.substring(1)); |
| return true; |
| } else if (command.trim() == 'help') { |
| // Treat 'help' as a special case for users not expecting JS execution. |
| help(); |
| commandInput.clearCurrentCommand(); |
| return true; |
| } |
| return false; |
| } |
| |
| // JavaScript commands executed in this (debug console) web module. |
| // The only commands we execute here are methods of the debug object |
| // (or its shorthand equivalent). |
| function executeDebug(command) { |
| if (command.trim().indexOf('debug.') == 0 || |
| command.trim().indexOf('d.') == 0) { |
| eval(command); |
| return true; |
| } |
| return false; |
| } |
| |
| // Execute a command as JavaScript in the main web module. |
| // Use the debugger evaluate command, which gives us Command Line API access |
| // and rich results with object preview. |
| function executeMain(command) { |
| debuggerClient.evaluate(command); |
| } |
| |
| // Executes a command entered by the user. |
| // Commands are processed in the following order: |
| // 1. Check for an 'immediate' command, e.g. history - !n. |
| // 2. Execute debug JS commands in this web module. |
| // 3. If no matching command is found, pass to the Cobalt DebugHub. |
| // DebugHub will execute any commands recognized on the C++ side, |
| // or pass to the main web module to be executed as JavaScript. |
| function executeCommand(command) { |
| if (executeImmediate(command)) { |
| printToMessageLog(messageLog.INTERACTIVE, ''); |
| return; |
| } |
| commandInput.storeAndClearCurrentCommand(); |
| if (executeDebug(command)) { |
| printToMessageLog(messageLog.INTERACTIVE, ''); |
| return; |
| } |
| executeMain(command); |
| } |
| |
| // Executes the current command in the CommandInput object. |
| // Typically called when the user hits Enter. |
| function executeCurrentCommand() { |
| var command = commandInput.getCurrentCommand(); |
| printToMessageLog(messageLog.INTERACTIVE, '> ' + command); |
| executeCommand(command); |
| } |
| |
| function onKeydown(event) { |
| var key = event.key; |
| if (key == 'Unidentified') { |
| key = unidentifiedCobaltKeyMap[event.keyCode] || 'Unidentified'; |
| } |
| |
| if (key == 'ArrowLeft') { |
| commandInput.moveCursor(-1); |
| } else if (key == 'ArrowRight') { |
| commandInput.moveCursor(1); |
| } else if (key == 'ArrowUp') { |
| commandInput.back(); |
| } else if (key == 'ArrowDown') { |
| commandInput.forward(); |
| } else if (key == 'Backspace') { |
| commandInput.deleteCharBehindCursor(); |
| } else if (key == 'Enter') { |
| executeCurrentCommand(); |
| } else if (key == 'PageUp') { |
| messageLog.pageUp(); |
| } else if (key == 'PageDown') { |
| messageLog.pageDown(); |
| } else if (key == 'Delete') { |
| commandInput.deleteCharAtCursor(); |
| } else if (key == 'Home') { |
| if (event.ctrlKey) { |
| messageLog.toHead(); |
| } else { |
| commandInput.moveCursor(-1000); |
| } |
| } else if (key == 'End') { |
| if (event.ctrlKey) { |
| messageLog.toTail(); |
| } else { |
| commandInput.moveCursor(1000); |
| } |
| } |
| } |
| |
| function onKeyup(event) {} |
| |
| function onKeypress(event) { |
| var mode = window.debugHub.getDebugConsoleMode(); |
| if (mode >= window.debugHub.DEBUG_CONSOLE_ON) { |
| event.preventDefault(); |
| event.stopPropagation(); |
| var c = event.charCode; |
| // If we have a printable character, insert it; otherwise ignore. |
| if (c >= 0x20 && c <= 0x7e) { |
| commandInput.insertStringBehindCursor(String.fromCharCode(c)); |
| } |
| } |
| } |
| |
| function onLogMessage(severity, file, line, messageStart, str) { |
| printToMessageLog(severity, str); |
| } |
| |
| function addLogMessageCallback() { |
| var debugHub = window.debugHub; |
| if (debugHub) { |
| debugHub.setLogMessageCallback(onLogMessage); |
| } |
| } |
| |
| function onInput(event) { |
| console.log('In DebugConsole onInput, event.data ' + event.data); |
| var mode = window.debugHub.getDebugConsoleMode(); |
| if (mode >= window.debugHub.DEBUG_CONSOLE_ON && event.data) { |
| event.preventDefault(); |
| event.stopPropagation(); |
| commandInput.insertStringBehindCursor(event.data); |
| } |
| } |
| |
| function start() { |
| createCommandInput(); |
| createMessageLog(); |
| createDebuggerClient(); |
| showHud(false); |
| showConsole(false); |
| createConsoleValues(); |
| initDebugCommands(); |
| addLogMessageCallback(); |
| document.addEventListener('keypress', onKeypress); |
| document.addEventListener('keydown', onKeydown); |
| document.addEventListener('keyup', onKeyup); |
| if (typeof window.onScreenKeyboard != 'undefined' |
| && window.onScreenKeyboard) { |
| window.onScreenKeyboard.oninput = onInput; |
| } |
| curr = window.performance.now(); |
| window.requestAnimationFrame(animate); |
| } |
| |
| window.addEventListener('load', start); |
| |