From 098a521a4bd3e3bc0e95d9ae4e48bdcded683fb4 Mon Sep 17 00:00:00 2001 From: Michael Jumper Date: Sat, 22 Jan 2011 22:08:14 -0800 Subject: [PATCH] Initial commit --- guacamole-common-js/.gitignore | 2 + guacamole-common-js/COPYING | 661 ++++++++++++++++++ guacamole-common-js/pom.xml | 63 ++ .../src/main/resources/guacamole.js | 601 ++++++++++++++++ .../src/main/resources/keyboard.js | 270 +++++++ .../src/main/resources/keymap.js | 72 ++ .../src/main/resources/layer.js | 142 ++++ .../src/main/resources/mouse.js | 205 ++++++ .../src/main/resources/oskeyboard.js | 487 +++++++++++++ guacamole-common-js/static.xml | 12 + 10 files changed, 2515 insertions(+) create mode 100644 guacamole-common-js/.gitignore create mode 100644 guacamole-common-js/COPYING create mode 100644 guacamole-common-js/pom.xml create mode 100644 guacamole-common-js/src/main/resources/guacamole.js create mode 100644 guacamole-common-js/src/main/resources/keyboard.js create mode 100644 guacamole-common-js/src/main/resources/keymap.js create mode 100644 guacamole-common-js/src/main/resources/layer.js create mode 100644 guacamole-common-js/src/main/resources/mouse.js create mode 100644 guacamole-common-js/src/main/resources/oskeyboard.js create mode 100644 guacamole-common-js/static.xml diff --git a/guacamole-common-js/.gitignore b/guacamole-common-js/.gitignore new file mode 100644 index 000000000..42f4a1a64 --- /dev/null +++ b/guacamole-common-js/.gitignore @@ -0,0 +1,2 @@ +target/ +*~ diff --git a/guacamole-common-js/COPYING b/guacamole-common-js/COPYING new file mode 100644 index 000000000..dba13ed2d --- /dev/null +++ b/guacamole-common-js/COPYING @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/guacamole-common-js/pom.xml b/guacamole-common-js/pom.xml new file mode 100644 index 000000000..22ef612a3 --- /dev/null +++ b/guacamole-common-js/pom.xml @@ -0,0 +1,63 @@ + + + 4.0.0 + net.sourceforge.guacamole + guacamole-common-js + pom + 0.3.0-SNAPSHOT + guacamole-common-js + http://guacamole.sourceforge.net/ + + + + + + maven-assembly-plugin + + + static.xml + + + + + make-zip + package + + attached + + + + + + + + + + org.apache.maven.wagon + wagon-ssh-external + + + + + + + + guac-dev + http://guac-dev.org/repo + + true + always + fail + + + + + + + guac-dev + ${guac-dev.dist.repo} + + + + diff --git a/guacamole-common-js/src/main/resources/guacamole.js b/guacamole-common-js/src/main/resources/guacamole.js new file mode 100644 index 000000000..020e88ac5 --- /dev/null +++ b/guacamole-common-js/src/main/resources/guacamole.js @@ -0,0 +1,601 @@ + +/* + * Guacamole - Clientless Remote Desktop + * Copyright (C) 2010 Michael Jumper + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +function GuacamoleClient(display) { + + var STATE_IDLE = 0; + var STATE_CONNECTING = 1; + var STATE_WAITING = 2; + var STATE_CONNECTED = 3; + var STATE_DISCONNECTING = 4; + var STATE_DISCONNECTED = 5; + + var currentState = STATE_IDLE; + var stateChangeHandler = null; + + function setState(state) { + if (state != currentState) { + currentState = state; + if (stateChangeHandler) + stateChangeHandler(currentState); + } + } + + this.setOnStateChangeHandler = function(handler) { + stateChangeHandler = handler; + } + + function isConnected() { + return currentState == STATE_CONNECTED + || currentState == STATE_WAITING; + } + + // Layers + var background = null; + var cursor = null; + + var cursorImage = null; + var cursorHotspotX = 0; + var cursorHotspotY = 0; + + // FIXME: Make object. Clean up. + var cursorRectX = 0; + var cursorRectY = 0; + var cursorRectW = 0; + var cursorRectH = 0; + + var cursorHidden = 0; + + function redrawCursor() { + + // Hide hardware cursor + if (cursorHidden == 0) { + display.className += " guac-hide-cursor"; + cursorHidden = 1; + } + + // Erase old cursor + cursor.clearRect(cursorRectX, cursorRectY, cursorRectW, cursorRectH); + + // Update rect + cursorRectX = mouse.getX() - cursorHotspotX; + cursorRectY = mouse.getY() - cursorHotspotY; + cursorRectW = cursorImage.width; + cursorRectH = cursorImage.height; + + // Draw new cursor + cursor.drawImage(cursorRectX, cursorRectY, cursorImage); + } + + + + + /*****************************************/ + /*** Keyboard ***/ + /*****************************************/ + + var keyboard = new GuacamoleKeyboard(document); + + this.disableKeyboard = function() { + keyboard.setKeyPressedHandler(null); + keyboard.setKeyReleasedHandler(null); + }; + + this.enableKeyboard = function() { + keyboard.setKeyPressedHandler( + function (keysym) { + sendKeyEvent(1, keysym); + } + ); + + keyboard.setKeyReleasedHandler( + function (keysym) { + sendKeyEvent(0, keysym); + } + ); + }; + + // Enable keyboard by default + this.enableKeyboard(); + + function sendKeyEvent(pressed, keysym) { + // Do not send requests if not connected + if (!isConnected()) + return; + + sendMessage("key:" + keysym + "," + pressed + ";"); + } + + this.pressKey = function(keysym) { + sendKeyEvent(1, keysym); + }; + + this.releaseKey = function(keysym) { + sendKeyEvent(0, keysym); + }; + + + /*****************************************/ + /*** Mouse ***/ + /*****************************************/ + + var mouse = new GuacamoleMouse(display); + mouse.setButtonPressedHandler( + function(mouseState) { + sendMouseState(mouseState); + } + ); + + mouse.setButtonReleasedHandler( + function(mouseState) { + sendMouseState(mouseState); + } + ); + + mouse.setMovementHandler( + function(mouseState) { + + // Draw client-side cursor + if (cursorImage != null) { + redrawCursor(); + } + + sendMouseState(mouseState); + } + ); + + + function sendMouseState(mouseState) { + + // Do not send requests if not connected + if (!isConnected()) + return; + + // Build mask + var buttonMask = 0; + if (mouseState.getLeft()) buttonMask |= 1; + if (mouseState.getMiddle()) buttonMask |= 2; + if (mouseState.getRight()) buttonMask |= 4; + if (mouseState.getUp()) buttonMask |= 8; + if (mouseState.getDown()) buttonMask |= 16; + + // Send message + sendMessage("mouse:" + mouseState.getX() + "," + mouseState.getY() + "," + buttonMask + ";"); + } + + var sendingMessages = 0; + var outputMessageBuffer = ""; + + function sendMessage(message) { + + // Add event to queue, restart send loop if finished. + outputMessageBuffer += message; + if (sendingMessages == 0) + sendPendingMessages(); + + } + + function sendPendingMessages() { + + if (outputMessageBuffer.length > 0) { + + sendingMessages = 1; + + var message_xmlhttprequest = new XMLHttpRequest(); + message_xmlhttprequest.open("POST", "inbound"); + message_xmlhttprequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); + message_xmlhttprequest.setRequestHeader("Content-length", outputMessageBuffer.length); + + // Once response received, send next queued event. + message_xmlhttprequest.onreadystatechange = function() { + if (message_xmlhttprequest.readyState == 4) + sendPendingMessages(); + } + + message_xmlhttprequest.send(outputMessageBuffer); + outputMessageBuffer = ""; // Clear buffer + + } + else + sendingMessages = 0; + + } + + + /*****************************************/ + /*** Clipboard ***/ + /*****************************************/ + + this.setClipboard = function(data) { + + // Do not send requests if not connected + if (!isConnected()) + return; + + sendMessage("clipboard:" + escapeGuacamoleString(data) + ";"); + } + + + function desaturateFilter(data, width, height) { + + for (var i=0; i= 2 && nextRequest == null) + nextRequest = makeRequest(); + + // Parse stream when data is received and when complete. + if (xmlhttprequest.readyState == 3 || + xmlhttprequest.readyState == 4) { + + // Halt on error during request + if (xmlhttprequest.status == 0) { + showError("Request canceled by browser."); + return; + } + else if (xmlhttprequest.status != 200) { + showError("Error during request (HTTP " + xmlhttprequest.status + "): " + xmlhttprequest.statusText); + return; + } + + var current = xmlhttprequest.responseText; + var instructionEnd; + + while ((instructionEnd = current.indexOf(";", startIndex)) != -1) { + + // Start next search at next instruction + startIndex = instructionEnd+1; + + var instruction = current.substr(instructionStart, + instructionEnd - instructionStart); + + instructionStart = startIndex; + + var opcodeEnd = instruction.indexOf(":"); + + var opcode; + var parameters; + if (opcodeEnd == -1) { + opcode = instruction; + parameters = new Array(); + } + else { + opcode = instruction.substr(0, opcodeEnd); + parameters = instruction.substr(opcodeEnd+1).split(","); + } + + // If we're done parsing, handle the next response. + if (opcode.length == 0) { + + if (isConnected()) { + delete xmlhttprequest; + if (nextRequest) + handleResponse(nextRequest); + } + + break; + } + + // Call instruction handler. + doInstruction(opcode, parameters); + } + + // Start search at end of string. + startIndex = current.length; + + delete instruction; + delete parameters; + + } + + } + + xmlhttprequest.onreadystatechange = parseResponse; + parseResponse(); + + } + + + function makeRequest() { + + // Download self + var xmlhttprequest = new XMLHttpRequest(); + xmlhttprequest.open("POST", "outbound"); + xmlhttprequest.send(null); + + return xmlhttprequest; + + } + + function escapeGuacamoleString(str) { + + var escapedString = ""; + + for (var i=0; i. + */ + +function GuacamoleKeyboard(element) { + + /*****************************************/ + /*** Keyboard Handler ***/ + /*****************************************/ + + // Single key state/modifier buffer + var modShift = 0; + var modCtrl = 0; + var modAlt = 0; + + var keydownChar = new Array(); + + + // ID of routine repeating keystrokes. -1 = not repeating. + var repeatKeyTimeoutId = -1; + var repeatKeyIntervalId = -1; + + // Starts repeating keystrokes + function startRepeat(keySym) { + repeatKeyIntervalId = setInterval(function() { + sendKeyReleased(keySym); + sendKeyPressed(keySym); + }, 50); + } + + // Stops repeating keystrokes + function stopRepeat() { + if (repeatKeyTimeoutId != -1) clearInterval(repeatKeyTimeoutId); + if (repeatKeyIntervalId != -1) clearInterval(repeatKeyIntervalId); + } + + + function getKeySymFromKeyIdentifier(shifted, keyIdentifier) { + + var unicodePrefixLocation = keyIdentifier.indexOf("U+"); + if (unicodePrefixLocation >= 0) { + + var hex = keyIdentifier.substring(unicodePrefixLocation+2); + var codepoint = parseInt(hex, 16); + var typedCharacter; + + // Convert case if shifted + if (shifted == 0) + typedCharacter = String.fromCharCode(codepoint).toLowerCase(); + else + typedCharacter = String.fromCharCode(codepoint).toUpperCase(); + + // Get codepoint + codepoint = typedCharacter.charCodeAt(0); + + return getKeySymFromCharCode(codepoint); + + } + + return null; + + } + + function getKeySymFromCharCode(keyCode) { + + if (keyCode >= 0x0000 && keyCode <= 0x00FF) + return keyCode; + + if (keyCode >= 0x0100 && keyCode <= 0x10FFFF) + return 0x01000000 | keyCode; + + return null; + + } + + function getKeySymFromKeyCode(keyCode) { + + var keysym = null; + if (modShift == 0) keysym = unshiftedKeySym[keyCode]; + else { + keysym = shiftedKeySym[keyCode]; + if (keysym == null) keysym = unshiftedKeySym[keyCode]; + } + + return keysym; + + } + + + // Sends a single keystroke over the network + function sendKeyPressed(keysym) { + if (keysym != null && keyPressedHandler) + keyPressedHandler(keysym); + } + + // Sends a single keystroke over the network + function sendKeyReleased(keysym) { + if (keysym != null) + keyReleasedHandler(keysym); + } + + + var KEYDOWN = 1; + var KEYPRESS = 2; + + var keySymSource = null; + + // When key pressed + var keydownCode = null; + element.onkeydown = function(e) { + + // Only intercept if handler set + if (!keyPressedHandler) return true; + + var keynum; + if (window.event) keynum = window.event.keyCode; + else if (e.which) keynum = e.which; + + // Ctrl/Alt/Shift + if (keynum == 16) + modShift = 1; + else if (keynum == 17) + modCtrl = 1; + else if (keynum == 18) + modAlt = 1; + + var keysym = getKeySymFromKeyCode(keynum); + if (keysym) { + // Get keysyms and events from KEYDOWN + keySymSource = KEYDOWN; + } + + // If modifier keys are held down, and we have keyIdentifier + else if ((modCtrl == 1 || modAlt == 1) && e.keyIdentifier) { + + // Get keysym from keyIdentifier + keysym = getKeySymFromKeyIdentifier(modShift, e.keyIdentifier); + + // Get keysyms and events from KEYDOWN + keySymSource = KEYDOWN; + + } + + else + // Get keysyms and events from KEYPRESS + keySymSource = KEYPRESS; + + keydownCode = keynum; + + // Ignore key if we don't need to use KEYPRESS. + // Send key event here + if (keySymSource == KEYDOWN) { + + if (keydownChar[keynum] != keysym) { + + // Send event + keydownChar[keynum] = keysym; + sendKeyPressed(keysym); + + // Clear old key repeat, if any. + stopRepeat(); + + // Start repeating (if not a modifier key) after a short delay + if (keynum != 16 && keynum != 17 && keynum != 18) + repeatKeyTimeoutId = setTimeout(function() { startRepeat(keysym); }, 500); + } + + return false; + } + + }; + + // When key pressed + element.onkeypress = function(e) { + + // Only intercept if handler set + if (!keyPressedHandler) return true; + + if (keySymSource != KEYPRESS) return false; + + var keynum; + if (window.event) keynum = window.event.keyCode; + else if (e.which) keynum = e.which; + + var keysym = getKeySymFromCharCode(keynum); + if (keysym && keydownChar[keynum] != keysym) { + + // If this button already pressed, release first + var lastKeyDownChar = keydownChar[keydownCode]; + if (lastKeyDownChar) + sendKeyReleased(lastKeyDownChar); + + keydownChar[keydownCode] = keysym; + + // Clear old key repeat, if any. + stopRepeat(); + + // Send key event + sendKeyPressed(keysym); + + // Start repeating (if not a modifier key) after a short delay + repeatKeyTimeoutId = setTimeout(function() { startRepeat(keysym); }, 500); + } + + return false; + }; + + // When key released + element.onkeyup = function(e) { + + // Only intercept if handler set + if (!keyReleasedHandler) return true; + + var keynum; + if (window.event) keynum = window.event.keyCode; + else if (e.which) keynum = e.which; + + // Ctrl/Alt/Shift + if (keynum == 16) + modShift = 0; + else if (keynum == 17) + modCtrl = 0; + else if (keynum == 18) + modAlt = 0; + else + stopRepeat(); + + // Get corresponding character + var lastKeyDownChar = keydownChar[keynum]; + + // Clear character record + keydownChar[keynum] = null; + + // Send release event + sendKeyReleased(lastKeyDownChar); + + return false; + }; + + // When focus is lost, clear modifiers. + var docOnblur = element.onblur; + element.onblur = function() { + modAlt = 0; + modCtrl = 0; + modShift = 0; + if (docOnblur != null) docOnblur(); + }; + + var keyPressedHandler = null; + var keyReleasedHandler = null; + + this.setKeyPressedHandler = function(kh) { keyPressedHandler = kh; }; + this.setKeyReleasedHandler = function(kh) { keyReleasedHandler = kh; }; + +} diff --git a/guacamole-common-js/src/main/resources/keymap.js b/guacamole-common-js/src/main/resources/keymap.js new file mode 100644 index 000000000..016bf5939 --- /dev/null +++ b/guacamole-common-js/src/main/resources/keymap.js @@ -0,0 +1,72 @@ + +/* + * Guacamole - Clientless Remote Desktop + * Copyright (C) 2010 Michael Jumper + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + + +// Keymap + +var unshiftedKeySym = new Array(); +unshiftedKeySym[8] = 0xFF08; // backspace +unshiftedKeySym[9] = 0xFF09; // tab +unshiftedKeySym[13] = 0xFF0D; // enter +unshiftedKeySym[16] = 0xFFE1; // shift +unshiftedKeySym[17] = 0xFFE3; // ctrl +unshiftedKeySym[18] = 0xFFE9; // alt +unshiftedKeySym[19] = 0xFF13; // pause/break +unshiftedKeySym[20] = 0xFFE5; // caps lock +unshiftedKeySym[27] = 0xFF1B; // escape +unshiftedKeySym[33] = 0xFF55; // page up +unshiftedKeySym[34] = 0xFF56; // page down +unshiftedKeySym[35] = 0xFF57; // end +unshiftedKeySym[36] = 0xFF50; // home +unshiftedKeySym[37] = 0xFF51; // left arrow +unshiftedKeySym[38] = 0xFF52; // up arrow +unshiftedKeySym[39] = 0xFF53; // right arrow +unshiftedKeySym[40] = 0xFF54; // down arrow +unshiftedKeySym[45] = 0xFF63; // insert +unshiftedKeySym[46] = 0xFFFF; // delete +unshiftedKeySym[91] = 0xFFEB; // left window key (super_l) +unshiftedKeySym[92] = 0xFF67; // right window key (menu key?) +unshiftedKeySym[93] = null; // select key +unshiftedKeySym[112] = 0xFFBE; // f1 +unshiftedKeySym[113] = 0xFFBF; // f2 +unshiftedKeySym[114] = 0xFFC0; // f3 +unshiftedKeySym[115] = 0xFFC1; // f4 +unshiftedKeySym[116] = 0xFFC2; // f5 +unshiftedKeySym[117] = 0xFFC3; // f6 +unshiftedKeySym[118] = 0xFFC4; // f7 +unshiftedKeySym[119] = 0xFFC5; // f8 +unshiftedKeySym[120] = 0xFFC6; // f9 +unshiftedKeySym[121] = 0xFFC7; // f10 +unshiftedKeySym[122] = 0xFFC8; // f11 +unshiftedKeySym[123] = 0xFFC9; // f12 +unshiftedKeySym[144] = 0xFF7F; // num lock +unshiftedKeySym[145] = 0xFF14; // scroll lock + +// Shifted versions, IF DIFFERENT FROM UNSHIFTED! +// If any of these are null, the unshifted one will be used. +var shiftedKeySym = new Array(); +shiftedKeySym[18] = 0xFFE7; // alt + +// Constants for keysyms for special keys +var KEYSYM_CTRL = 65507; +var KEYSYM_ALT = 65513; +var KEYSYM_DELETE = 65535; +var KEYSYM_SHIFT = 65505; + + diff --git a/guacamole-common-js/src/main/resources/layer.js b/guacamole-common-js/src/main/resources/layer.js new file mode 100644 index 000000000..d6ac25efa --- /dev/null +++ b/guacamole-common-js/src/main/resources/layer.js @@ -0,0 +1,142 @@ + +/* + * Guacamole - Clientless Remote Desktop + * Copyright (C) 2010 Michael Jumper + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +function Layer(width, height) { + + // Off-screen buffer + var display = document.createElement("canvas"); + + display.style.position = "absolute"; + display.style.left = "0px"; + display.style.right = "0px"; + + display.width = width; + display.height = height; + + var displayContext = display.getContext("2d"); + + var readyHandler = null; + var nextUpdateToDraw = 0; + var currentUpdate = 0; + var updates = new Array(); + + // Given an update ID, either call the provided update callback, or + // schedule the update for later. + function setUpdate(updateId, update) { + + // If this update is the next to draw... + if (updateId == nextUpdateToDraw) { + + // Call provided update handler. + update(); + + // Draw all pending updates. + var updateCallback; + while ((updateCallback = updates[++nextUpdateToDraw])) { + updateCallback(); + delete updates[nextUpdateToDraw]; + } + + // If done with updates, call ready handler + if (display.isReady() && readyHandler != null) + readyHandler(); + + } + + // If not next to draw, set callback and wait. + else + updates[updateId] = update; + + } + + display.isReady = function() { + return currentUpdate == nextUpdateToDraw; + } + + display.setReadyHandler = function(handler) { + readyHandler = handler; + } + + + display.drawImage = function(x, y, image) { + var updateId = currentUpdate++; + + setUpdate(updateId, function() { + displayContext.drawImage(image, x, y); + }); + + } + + + display.draw = function(x, y, url) { + var updateId = currentUpdate++; + + var image = new Image(); + image.onload = function() { + setUpdate(updateId, function() { + displayContext.drawImage(image, x, y); + }); + }; + image.src = url; + }; + + + display.copyRect = function(srcx, srcy, w, h, x, y) { + var updateId = currentUpdate++; + + setUpdate(updateId, function() { + displayContext.drawImage(display, srcx, srcy, w, h, x, y, w, h); + }); + + }; + + display.drawRect = function(x, y, w, h, color) { + var updateId = currentUpdate++; + + setUpdate(updateId, function() { + displayContext.fillStyle = color; + displayContext.fillRect(x, y, w, h); + }); + + }; + + display.clearRect = function(x, y, w, h) { + var updateId = currentUpdate++; + + setUpdate(updateId, function() { + displayContext.clearRect(x, y, w, h); + }); + + }; + + display.filter = function(filter) { + var updateId = currentUpdate++; + + setUpdate(updateId, function() { + var imageData = displayContext.getImageData(0, 0, width, height); + filter(imageData.data, width, height); + displayContext.putImageData(imageData, 0, 0); + }); + + }; + + return display; + +} + diff --git a/guacamole-common-js/src/main/resources/mouse.js b/guacamole-common-js/src/main/resources/mouse.js new file mode 100644 index 000000000..3a1234a0d --- /dev/null +++ b/guacamole-common-js/src/main/resources/mouse.js @@ -0,0 +1,205 @@ + +/* + * Guacamole - Clientless Remote Desktop + * Copyright (C) 2010 Michael Jumper + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + + +function GuacamoleMouse(element) { + + /*****************************************/ + /*** Mouse Handler ***/ + /*****************************************/ + + + var mouseIndex = 0; + + var mouseLeftButton = 0; + var mouseMiddleButton = 0; + var mouseRightButton = 0; + + var mouseX = 0; + var mouseY = 0; + + var absoluteMouseX = 0; + var absoluteMouseY = 0; + + + function getMouseState(up, down) { + var mouseState = new MouseEvent(mouseX, mouseY, + mouseLeftButton, mouseMiddleButton, mouseRightButton, up, down); + + return mouseState; + } + + + // Block context menu so right-click gets sent properly + element.oncontextmenu = function(e) {return false;}; + + element.onmousemove = function(e) { + + e.stopPropagation(); + + absoluteMouseX = e.pageX; + absoluteMouseY = e.pageY; + + mouseX = absoluteMouseX - element.offsetLeft; + mouseY = absoluteMouseY - element.offsetTop; + + // This is all JUST so we can get the mouse position within the element + var parent = element.offsetParent; + while (parent) { + if (parent.offsetLeft && parent.offsetTop) { + mouseX -= parent.offsetLeft; + mouseY -= parent.offsetTop; + } + parent = parent.offsetParent; + } + + movementHandler(getMouseState(0, 0)); + }; + + + element.onmousedown = function(e) { + + e.stopPropagation(); + + switch (e.button) { + case 0: + mouseLeftButton = 1; + break; + case 1: + mouseMiddleButton = 1; + break; + case 2: + mouseRightButton = 1; + break; + } + + buttonPressedHandler(getMouseState(0, 0)); + }; + + + element.onmouseup = function(e) { + + e.stopPropagation(); + + switch (e.button) { + case 0: + mouseLeftButton = 0; + break; + case 1: + mouseMiddleButton = 0; + break; + case 2: + mouseRightButton = 0; + break; + } + + buttonReleasedHandler(getMouseState(0, 0)); + }; + + // Override selection on mouse event element. + element.onselectstart = function() { + return false; + }; + + // Scroll wheel support + function handleScroll(e) { + + var delta = 0; + if (e.detail) + delta = e.detail; + else if (e.wheelDelta) + delta = -event.wheelDelta; + + // Up + if (delta < 0) { + buttonPressedHandler(getMouseState(1, 0)); + buttonReleasedHandler(getMouseState(0, 0)); + } + + // Down + if (delta > 0) { + buttonPressedHandler(getMouseState(0, 1)); + buttonReleasedHandler(getMouseState(0, 0)); + } + + if (e.preventDefault) + e.preventDefault(); + + e.returnValue = false; + } + + element.addEventListener('DOMMouseScroll', handleScroll, false); + + element.onmousewheel = function(e) { + handleScroll(e); + } + + function MouseEvent(x, y, left, middle, right, up, down) { + + this.getX = function() { + return x; + }; + + this.getY = function() { + return y; + }; + + this.getLeft = function() { + return left; + }; + + this.getMiddle = function() { + return middle; + }; + + this.getRight = function() { + return right; + }; + + this.getUp = function() { + return up; + }; + + this.getDown = function() { + return down; + }; + + this.toString = function() { + return (mouseIndex++) + "," + x + "," + y + "," + left + "," + middle + "," + right + "," + up + "," + down; + }; + + } + + + var buttonPressedHandler = null; + var buttonReleasedHandler = null; + var movementHandler = null; + + this.setButtonPressedHandler = function(mh) {buttonPressedHandler = mh;}; + this.setButtonReleasedHandler = function(mh) {buttonReleasedHandler = mh;}; + this.setMovementHandler = function(mh) {movementHandler = mh;}; + + + this.getX = function() {return mouseX;}; + this.getY = function() {return mouseY;}; + this.getLeftButton = function() {return mouseLeftButton;}; + this.getMiddleButton = function() {return mouseMiddleButton;}; + this.getRightButton = function() {return mouseRightButton;}; + +} diff --git a/guacamole-common-js/src/main/resources/oskeyboard.js b/guacamole-common-js/src/main/resources/oskeyboard.js new file mode 100644 index 000000000..872bac223 --- /dev/null +++ b/guacamole-common-js/src/main/resources/oskeyboard.js @@ -0,0 +1,487 @@ + +/* + * Guacamole - Clientless Remote Desktop + * Copyright (C) 2010 Michael Jumper + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + + +function GuacamoleOnScreenKeyboard(url) { + + var tabIndex = 1; + var allKeys = new Array(); + var modifierState = new function() {}; + + function getKeySize(size) { + return (5*size) + "ex"; + } + + function getCapSize(size) { + return (5*size - 0.5) + "ex"; + } + + function clearModifiers() { + + // Send key release events for all pressed modifiers + for (var k=0; k 0) + return true; + + return false; + } + + function toggleModifierPressed(modifier) { + if (isModifierActive(modifier)) + setModifierReleased(modifier); + else + setModifierPressed(modifier); + } + + function refreshAllKeysState() { + for (var k=0; k= 0x0000 && charCode <= 0x00FF) + keysym = charCode; + + else if (charCode >= 0x0100 && charCode <= 0x10FFFF) + keysym = 0x01000000 | charCode; + } + + // Required modifiers for this keycap + var reqMod = null; + if (cap.attributes["if"]) + reqMod = cap.attributes["if"].value.split(","); + + + // Modifier represented by this keycap + var modifier = null; + if (cap.attributes["modifier"]) + modifier = cap.attributes["modifier"].value; + + + // Whether this key is sticky (toggles) + // Currently only valid for modifiers. + var sticky = false; + if (cap.attributes["sticky"] && cap.attributes["sticky"].value == "true") + sticky = true; + + this.getDisplayText = function() { + return cap.textContent; + }; + + this.getKeySym = function() { + return keysym; + }; + + this.getRequiredModifiers = function() { + return reqMod; + }; + + this.getModifier = function() { + return modifier; + }; + + this.isSticky = function() { + return sticky; + }; + + } + + var size = null; + if (key.attributes["size"]) + size = parseFloat(key.attributes["size"].value); + + var caps = key.getElementsByTagName("cap"); + var keycaps = new Array(); + for (var i=0; i can contain or + if (child.tagName == "key") { + var key = new Key(child); + keyboardRow.appendChild(key); + allKeys.push(key); + } + else if (child.tagName == "gap") { + var gap = new Gap(child); + keyboardRow.appendChild(gap); + } + else if (child.tagName == "column") { + var col = new Column(child); + keyboardRow.appendChild(col); + } + + } + + return keyboardRow; + + } + + function Column(col) { + + var keyboardCol = document.createElement("div"); + keyboardCol.className = "col"; + + var align = null; + if (col.attributes["align"]) + align = col.attributes["align"].value; + + var children = col.childNodes; + for (var j=0; j can only contain + if (child.tagName == "row") { + var row = new Row(child); + keyboardCol.appendChild(row); + } + + } + + if (align) + keyboardCol.style.textAlign = align; + + return keyboardCol; + + } + + + + // Create keyboard + var keyboard = document.createElement("div"); + keyboard.className = "keyboard"; + + + // Retrieve keyboard XML + var xmlhttprequest = new XMLHttpRequest(); + xmlhttprequest.open("GET", url, false); + xmlhttprequest.send(null); + + var xml = xmlhttprequest.responseXML; + + if (xml) { + + // Parse document + var root = xml.documentElement; + if (root) { + + var children = root.childNodes; + for (var i=0; i can contain or + if (child.tagName == "row") { + keyboard.appendChild(new Row(child)); + } + else if (child.tagName == "column") { + keyboard.appendChild(new Column(child)); + } + + } + + } + + } + + var keyPressedHandler = null; + var keyReleasedHandler = null; + + keyboard.setKeyPressedHandler = function(kh) { keyPressedHandler = kh; }; + keyboard.setKeyReleasedHandler = function(kh) { keyReleasedHandler = kh; }; + + // Do not allow selection or mouse movement to propagate/register. + keyboard.onselectstart = + keyboard.onmousemove = + keyboard.onmouseup = + keyboard.onmousedown = + function(e) { + e.stopPropagation(); + return false; + }; + + return keyboard; +} + diff --git a/guacamole-common-js/static.xml b/guacamole-common-js/static.xml new file mode 100644 index 000000000..f9b6bdf4c --- /dev/null +++ b/guacamole-common-js/static.xml @@ -0,0 +1,12 @@ + + guacamole-common-js + + zip + + + + src/main/resources + + + +