Added SDK
This commit is contained in:
Andrew Zambazos
@@ -0,0 +1,267 @@
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/*
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* Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.KeyboardShortcut = class KeyboardShortcut
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{
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constructor(modifiers, key, callback, targetElement)
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{
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console.assert(key);
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console.assert(!callback || typeof callback === "function");
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console.assert(!targetElement || targetElement instanceof Element);
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if (typeof key === "string") {
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key = key[0].toUpperCase();
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key = new WI.Key(key.charCodeAt(0), key);
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}
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if (callback && !targetElement)
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targetElement = document;
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this._modifiers = modifiers || WI.KeyboardShortcut.Modifier.None;
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this._key = key;
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this._targetElement = targetElement;
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this._callback = callback;
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this._disabled = false;
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this._implicitlyPreventsDefault = true;
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if (targetElement) {
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var targetKeyboardShortcuts = targetElement._keyboardShortcuts;
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if (!targetKeyboardShortcuts)
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targetKeyboardShortcuts = targetElement._keyboardShortcuts = [];
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targetKeyboardShortcuts.push(this);
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if (!WI.KeyboardShortcut._registeredKeyDownListener) {
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WI.KeyboardShortcut._registeredKeyDownListener = true;
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window.addEventListener("keydown", WI.KeyboardShortcut._handleKeyDown);
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}
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}
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}
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// Static
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static _handleKeyDown(event)
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{
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if (event.defaultPrevented)
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return;
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for (var targetElement = event.target; targetElement; targetElement = targetElement.parentNode) {
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if (!targetElement._keyboardShortcuts)
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continue;
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for (var i = 0; i < targetElement._keyboardShortcuts.length; ++i) {
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var keyboardShortcut = targetElement._keyboardShortcuts[i];
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if (!keyboardShortcut.matchesEvent(event))
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continue;
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if (!keyboardShortcut.callback)
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continue;
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keyboardShortcut.callback(event, keyboardShortcut);
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if (keyboardShortcut.implicitlyPreventsDefault)
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event.preventDefault();
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return;
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}
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}
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}
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// Public
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get modifiers()
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{
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return this._modifiers;
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}
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get key()
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{
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return this._key;
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}
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get displayName()
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{
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var result = "";
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if (this._modifiers & WI.KeyboardShortcut.Modifier.Control)
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result += "\u2303";
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if (this._modifiers & WI.KeyboardShortcut.Modifier.Option)
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result += WI.Platform.name === "mac" ? "\u2325" : "\u2387";
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if (this._modifiers & WI.KeyboardShortcut.Modifier.Shift)
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result += "\u21e7";
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if (this._modifiers & WI.KeyboardShortcut.Modifier.Command)
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result += "\u2318";
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result += this._key.toString();
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return result;
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}
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get callback()
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{
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return this._callback;
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}
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set callback(callback)
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{
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console.assert(!callback || typeof callback === "function");
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this._callback = callback || null;
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}
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get disabled()
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{
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return this._disabled;
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}
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set disabled(disabled)
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{
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this._disabled = disabled || false;
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}
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get implicitlyPreventsDefault()
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{
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return this._implicitlyPreventsDefault;
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}
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set implicitlyPreventsDefault(implicitly)
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{
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this._implicitlyPreventsDefault = implicitly;
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}
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unbind()
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{
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this._disabled = true;
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if (!this._targetElement)
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return;
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var targetKeyboardShortcuts = this._targetElement._keyboardShortcuts;
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if (!targetKeyboardShortcuts)
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return;
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targetKeyboardShortcuts.remove(this);
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}
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matchesEvent(event)
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{
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if (this._disabled)
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return false;
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if (this._key.keyCode !== event.keyCode)
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return false;
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var eventModifiers = WI.KeyboardShortcut.Modifier.None;
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if (event.shiftKey)
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eventModifiers |= WI.KeyboardShortcut.Modifier.Shift;
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if (event.ctrlKey)
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eventModifiers |= WI.KeyboardShortcut.Modifier.Control;
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if (event.altKey)
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eventModifiers |= WI.KeyboardShortcut.Modifier.Option;
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if (event.metaKey)
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eventModifiers |= WI.KeyboardShortcut.Modifier.Command;
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return this._modifiers === eventModifiers;
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}
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};
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WI.Key = class Key
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{
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constructor(keyCode, displayName)
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{
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this._keyCode = keyCode;
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this._displayName = displayName;
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}
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// Public
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get keyCode()
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{
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return this._keyCode;
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}
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get displayName()
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{
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return this._displayName;
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}
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toString()
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{
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return this._displayName;
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}
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};
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WI.KeyboardShortcut.Modifier = {
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None: 0,
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Shift: 1,
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Control: 2,
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Option: 4,
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Command: 8,
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get CommandOrControl()
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{
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return WI.Platform.name === "mac" ? this.Command : this.Control;
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}
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};
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WI.KeyboardShortcut.Key = {
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Backspace: new WI.Key(8, "\u232b"),
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Tab: new WI.Key(9, "\u21e5"),
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Enter: new WI.Key(13, "\u21a9"),
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Escape: new WI.Key(27, "\u238b"),
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Space: new WI.Key(32, "Space"), // UIString populated in WI.loaded.
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PageUp: new WI.Key(33, "\u21de"),
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PageDown: new WI.Key(34, "\u21df"),
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End: new WI.Key(35, "\u2198"),
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Home: new WI.Key(36, "\u2196"),
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Left: new WI.Key(37, "\u2190"),
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Up: new WI.Key(38, "\u2191"),
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Right: new WI.Key(39, "\u2192"),
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Down: new WI.Key(40, "\u2193"),
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Delete: new WI.Key(46, "\u2326"),
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Zero: new WI.Key(48, "0"),
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F1: new WI.Key(112, "F1"),
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F2: new WI.Key(113, "F2"),
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F3: new WI.Key(114, "F3"),
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F4: new WI.Key(115, "F4"),
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F5: new WI.Key(116, "F5"),
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F6: new WI.Key(117, "F6"),
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F7: new WI.Key(118, "F7"),
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F8: new WI.Key(119, "F8"),
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F9: new WI.Key(120, "F9"),
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F10: new WI.Key(121, "F10"),
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F11: new WI.Key(122, "F11"),
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F12: new WI.Key(123, "F12"),
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Semicolon: new WI.Key(186, ";"),
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Plus: new WI.Key(187, "+"),
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Comma: new WI.Key(188, ","),
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Minus: new WI.Key(189, "-"),
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Period: new WI.Key(190, "."),
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Slash: new WI.Key(191, "/"),
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Apostrophe: new WI.Key(192, "`"),
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LeftCurlyBrace: new WI.Key(219, "{"),
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Backslash: new WI.Key(220, "\\"),
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RightCurlyBrace: new WI.Key(221, "}"),
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SingleQuote: new WI.Key(222, "'")
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};
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