src/cm/media/js/lib/yui/yui_3.10.3/build/event-custom-complex/event-custom-complex.js
changeset 525 89ef5ed3c48b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.10.3/build/event-custom-complex/event-custom-complex.js	Tue Jul 16 14:29:46 2013 +0200
@@ -0,0 +1,611 @@
+/*
+YUI 3.10.3 (build 2fb5187)
+Copyright 2013 Yahoo! Inc. All rights reserved.
+Licensed under the BSD License.
+http://yuilibrary.com/license/
+*/
+
+YUI.add('event-custom-complex', function (Y, NAME) {
+
+
+/**
+ * Adds event facades, preventable default behavior, and bubbling.
+ * events.
+ * @module event-custom
+ * @submodule event-custom-complex
+ */
+
+var FACADE,
+    FACADE_KEYS,
+    YObject = Y.Object,
+    key,
+    EMPTY = {},
+    CEProto = Y.CustomEvent.prototype,
+    ETProto = Y.EventTarget.prototype,
+
+    mixFacadeProps = function(facade, payload) {
+        var p;
+
+        for (p in payload) {
+            if (!(FACADE_KEYS.hasOwnProperty(p))) {
+                facade[p] = payload[p];
+            }
+        }
+    };
+
+/**
+ * Wraps and protects a custom event for use when emitFacade is set to true.
+ * Requires the event-custom-complex module
+ * @class EventFacade
+ * @param e {Event} the custom event
+ * @param currentTarget {HTMLElement} the element the listener was attached to
+ */
+
+Y.EventFacade = function(e, currentTarget) {
+
+    if (!e) {
+        e = EMPTY;
+    }
+
+    this._event = e;
+
+    /**
+     * The arguments passed to fire
+     * @property details
+     * @type Array
+     */
+    this.details = e.details;
+
+    /**
+     * The event type, this can be overridden by the fire() payload
+     * @property type
+     * @type string
+     */
+    this.type = e.type;
+
+    /**
+     * The real event type
+     * @property _type
+     * @type string
+     * @private
+     */
+    this._type = e.type;
+
+    //////////////////////////////////////////////////////
+
+    /**
+     * Node reference for the targeted eventtarget
+     * @property target
+     * @type Node
+     */
+    this.target = e.target;
+
+    /**
+     * Node reference for the element that the listener was attached to.
+     * @property currentTarget
+     * @type Node
+     */
+    this.currentTarget = currentTarget;
+
+    /**
+     * Node reference to the relatedTarget
+     * @property relatedTarget
+     * @type Node
+     */
+    this.relatedTarget = e.relatedTarget;
+
+};
+
+Y.mix(Y.EventFacade.prototype, {
+
+    /**
+     * Stops the propagation to the next bubble target
+     * @method stopPropagation
+     */
+    stopPropagation: function() {
+        this._event.stopPropagation();
+        this.stopped = 1;
+    },
+
+    /**
+     * Stops the propagation to the next bubble target and
+     * prevents any additional listeners from being exectued
+     * on the current target.
+     * @method stopImmediatePropagation
+     */
+    stopImmediatePropagation: function() {
+        this._event.stopImmediatePropagation();
+        this.stopped = 2;
+    },
+
+    /**
+     * Prevents the event's default behavior
+     * @method preventDefault
+     */
+    preventDefault: function() {
+        this._event.preventDefault();
+        this.prevented = 1;
+    },
+
+    /**
+     * Stops the event propagation and prevents the default
+     * event behavior.
+     * @method halt
+     * @param immediate {boolean} if true additional listeners
+     * on the current target will not be executed
+     */
+    halt: function(immediate) {
+        this._event.halt(immediate);
+        this.prevented = 1;
+        this.stopped = (immediate) ? 2 : 1;
+    }
+
+});
+
+CEProto.fireComplex = function(args) {
+
+    var es,
+        ef,
+        q,
+        queue,
+        ce,
+        ret = true,
+        events,
+        subs,
+        ons,
+        afters,
+        afterQueue,
+        postponed,
+        prevented,
+        preventedFn,
+        defaultFn,
+        self = this,
+        host = self.host || self,
+        next,
+        oldbubble,
+        stack,
+        yuievt = host._yuievt,
+        hasPotentialSubscribers;
+
+    stack = self.stack;
+
+    if (stack) {
+
+        // queue this event if the current item in the queue bubbles
+        if (self.queuable && self.type !== stack.next.type) {
+
+            if (!stack.queue) {
+                stack.queue = [];
+            }
+            stack.queue.push([self, args]);
+
+            return true;
+        }
+    }
+
+    hasPotentialSubscribers = self.hasSubs() || yuievt.hasTargets || self.broadcast;
+
+    self.target = self.target || host;
+    self.currentTarget = host;
+
+    self.details = args.concat();
+
+    if (hasPotentialSubscribers) {
+
+        es = stack || {
+
+           id: self.id, // id of the first event in the stack
+           next: self,
+           silent: self.silent,
+           stopped: 0,
+           prevented: 0,
+           bubbling: null,
+           type: self.type,
+           // defaultFnQueue: new Y.Queue(),
+           defaultTargetOnly: self.defaultTargetOnly
+
+        };
+
+        subs = self.getSubs();
+        ons = subs[0];
+        afters = subs[1];
+
+        self.stopped = (self.type !== es.type) ? 0 : es.stopped;
+        self.prevented = (self.type !== es.type) ? 0 : es.prevented;
+
+        if (self.stoppedFn) {
+            // PERF TODO: Can we replace with callback, like preventedFn. Look into history
+            events = new Y.EventTarget({
+                fireOnce: true,
+                context: host
+            });
+            self.events = events;
+            events.on('stopped', self.stoppedFn);
+        }
+
+
+        self._facade = null; // kill facade to eliminate stale properties
+
+        ef = self._getFacade(args);
+
+        if (ons) {
+            self._procSubs(ons, args, ef);
+        }
+
+        // bubble if this is hosted in an event target and propagation has not been stopped
+        if (self.bubbles && host.bubble && !self.stopped) {
+            oldbubble = es.bubbling;
+
+            es.bubbling = self.type;
+
+            if (es.type !== self.type) {
+                es.stopped = 0;
+                es.prevented = 0;
+            }
+
+            ret = host.bubble(self, args, null, es);
+
+            self.stopped = Math.max(self.stopped, es.stopped);
+            self.prevented = Math.max(self.prevented, es.prevented);
+
+            es.bubbling = oldbubble;
+        }
+
+        prevented = self.prevented;
+
+        if (prevented) {
+            preventedFn = self.preventedFn;
+            if (preventedFn) {
+                preventedFn.apply(host, args);
+            }
+        } else {
+            defaultFn = self.defaultFn;
+
+            if (defaultFn && ((!self.defaultTargetOnly && !es.defaultTargetOnly) || host === ef.target)) {
+                defaultFn.apply(host, args);
+            }
+        }
+
+        // broadcast listeners are fired as discreet events on the
+        // YUI instance and potentially the YUI global.
+        if (self.broadcast) {
+            self._broadcast(args);
+        }
+
+        if (afters && !self.prevented && self.stopped < 2) {
+
+            // Queue the after
+            afterQueue = es.afterQueue;
+
+            if (es.id === self.id || self.type !== yuievt.bubbling) {
+
+                self._procSubs(afters, args, ef);
+
+                if (afterQueue) {
+                    while ((next = afterQueue.last())) {
+                        next();
+                    }
+                }
+            } else {
+                postponed = afters;
+
+                if (es.execDefaultCnt) {
+                    postponed = Y.merge(postponed);
+
+                    Y.each(postponed, function(s) {
+                        s.postponed = true;
+                    });
+                }
+
+                if (!afterQueue) {
+                    es.afterQueue = new Y.Queue();
+                }
+
+                es.afterQueue.add(function() {
+                    self._procSubs(postponed, args, ef);
+                });
+            }
+
+        }
+
+        self.target = null;
+
+        if (es.id === self.id) {
+
+            queue = es.queue;
+
+            if (queue) {
+                while (queue.length) {
+                    q = queue.pop();
+                    ce = q[0];
+                    // set up stack to allow the next item to be processed
+                    es.next = ce;
+                    ce._fire(q[1]);
+                }
+            }
+
+            self.stack = null;
+        }
+
+        ret = !(self.stopped);
+
+        if (self.type !== yuievt.bubbling) {
+            es.stopped = 0;
+            es.prevented = 0;
+            self.stopped = 0;
+            self.prevented = 0;
+        }
+
+    } else {
+        defaultFn = self.defaultFn;
+
+        if(defaultFn) {
+            ef = self._getFacade(args);
+
+            if ((!self.defaultTargetOnly) || (host === ef.target)) {
+                defaultFn.apply(host, args);
+            }
+        }
+    }
+
+    // Kill the cached facade to free up memory.
+    // Otherwise we have the facade from the last fire, sitting around forever.
+    self._facade = null;
+
+    return ret;
+};
+
+CEProto._getFacade = function(fireArgs) {
+
+    var userArgs = this.details,
+        firstArg = userArgs && userArgs[0],
+        firstArgIsObj = (firstArg && (typeof firstArg === "object")),
+        ef = this._facade;
+
+    if (!ef) {
+        ef = new Y.EventFacade(this, this.currentTarget);
+    }
+
+    if (firstArgIsObj) {
+        // protect the event facade properties
+        mixFacadeProps(ef, firstArg);
+
+        // Allow the event type to be faked http://yuilibrary.com/projects/yui3/ticket/2528376
+        if (firstArg.type) {
+            ef.type = firstArg.type;
+        }
+
+        if (fireArgs) {
+            fireArgs[0] = ef;
+        }
+    } else {
+        if (fireArgs) {
+            fireArgs.unshift(ef);
+        }
+    }
+
+    // update the details field with the arguments
+    ef.details = this.details;
+
+    // use the original target when the event bubbled to this target
+    ef.target = this.originalTarget || this.target;
+
+    ef.currentTarget = this.currentTarget;
+    ef.stopped = 0;
+    ef.prevented = 0;
+
+    this._facade = ef;
+
+    return this._facade;
+};
+
+/**
+ * Stop propagation to bubble targets
+ * @for CustomEvent
+ * @method stopPropagation
+ */
+CEProto.stopPropagation = function() {
+    this.stopped = 1;
+    if (this.stack) {
+        this.stack.stopped = 1;
+    }
+    if (this.events) {
+        this.events.fire('stopped', this);
+    }
+};
+
+/**
+ * Stops propagation to bubble targets, and prevents any remaining
+ * subscribers on the current target from executing.
+ * @method stopImmediatePropagation
+ */
+CEProto.stopImmediatePropagation = function() {
+    this.stopped = 2;
+    if (this.stack) {
+        this.stack.stopped = 2;
+    }
+    if (this.events) {
+        this.events.fire('stopped', this);
+    }
+};
+
+/**
+ * Prevents the execution of this event's defaultFn
+ * @method preventDefault
+ */
+CEProto.preventDefault = function() {
+    if (this.preventable) {
+        this.prevented = 1;
+        if (this.stack) {
+            this.stack.prevented = 1;
+        }
+    }
+};
+
+/**
+ * Stops the event propagation and prevents the default
+ * event behavior.
+ * @method halt
+ * @param immediate {boolean} if true additional listeners
+ * on the current target will not be executed
+ */
+CEProto.halt = function(immediate) {
+    if (immediate) {
+        this.stopImmediatePropagation();
+    } else {
+        this.stopPropagation();
+    }
+    this.preventDefault();
+};
+
+/**
+ * Registers another EventTarget as a bubble target.  Bubble order
+ * is determined by the order registered.  Multiple targets can
+ * be specified.
+ *
+ * Events can only bubble if emitFacade is true.
+ *
+ * Included in the event-custom-complex submodule.
+ *
+ * @method addTarget
+ * @param o {EventTarget} the target to add
+ * @for EventTarget
+ */
+ETProto.addTarget = function(o) {
+    var etState = this._yuievt;
+
+    if (!etState.targets) {
+        etState.targets = {};
+    }
+
+    etState.targets[Y.stamp(o)] = o;
+    etState.hasTargets = true;
+};
+
+/**
+ * Returns an array of bubble targets for this object.
+ * @method getTargets
+ * @return EventTarget[]
+ */
+ETProto.getTargets = function() {
+    var targets = this._yuievt.targets;
+    return targets ? YObject.values(targets) : [];
+};
+
+/**
+ * Removes a bubble target
+ * @method removeTarget
+ * @param o {EventTarget} the target to remove
+ * @for EventTarget
+ */
+ETProto.removeTarget = function(o) {
+    var targets = this._yuievt.targets;
+
+    if (targets) {
+        delete targets[Y.stamp(o, true)];
+
+        if (YObject.size(targets) === 0) {
+            this._yuievt.hasTargets = false;
+        }
+    }
+};
+
+/**
+ * Propagate an event.  Requires the event-custom-complex module.
+ * @method bubble
+ * @param evt {CustomEvent} the custom event to propagate
+ * @return {boolean} the aggregated return value from Event.Custom.fire
+ * @for EventTarget
+ */
+ETProto.bubble = function(evt, args, target, es) {
+
+    var targs = this._yuievt.targets,
+        ret = true,
+        t,
+        ce,
+        i,
+        bc,
+        ce2,
+        type = evt && evt.type,
+        originalTarget = target || (evt && evt.target) || this,
+        oldbubble;
+
+    if (!evt || ((!evt.stopped) && targs)) {
+
+        for (i in targs) {
+            if (targs.hasOwnProperty(i)) {
+
+                t = targs[i];
+
+                ce = t._yuievt.events[type];
+
+                if (t._hasSiblings) {
+                    ce2 = t.getSibling(type, ce);
+                }
+
+                if (ce2 && !ce) {
+                    ce = t.publish(type);
+                }
+
+                oldbubble = t._yuievt.bubbling;
+                t._yuievt.bubbling = type;
+
+                // if this event was not published on the bubble target,
+                // continue propagating the event.
+                if (!ce) {
+                    if (t._yuievt.hasTargets) {
+                        t.bubble(evt, args, originalTarget, es);
+                    }
+                } else {
+
+                    if (ce2) {
+                        ce.sibling = ce2;
+                    }
+
+                    // set the original target to that the target payload on the facade is correct.
+                    ce.target = originalTarget;
+                    ce.originalTarget = originalTarget;
+                    ce.currentTarget = t;
+                    bc = ce.broadcast;
+                    ce.broadcast = false;
+
+                    // default publish may not have emitFacade true -- that
+                    // shouldn't be what the implementer meant to do
+                    ce.emitFacade = true;
+
+                    ce.stack = es;
+
+                    // TODO: See what's getting in the way of changing this to use
+                    // the more performant ce._fire(args || evt.details || []).
+
+                    // Something in Widget Parent/Child tests is not happy if we
+                    // change it - maybe evt.details related?
+                    ret = ret && ce.fire.apply(ce, args || evt.details || []);
+
+                    ce.broadcast = bc;
+                    ce.originalTarget = null;
+
+                    // stopPropagation() was called
+                    if (ce.stopped) {
+                        break;
+                    }
+                }
+
+                t._yuievt.bubbling = oldbubble;
+            }
+        }
+    }
+
+    return ret;
+};
+
+FACADE = new Y.EventFacade();
+FACADE_KEYS = {};
+
+// Flatten whitelist
+for (key in FACADE) {
+    FACADE_KEYS[key] = true;
+}
+
+
+}, '3.10.3', {"requires": ["event-custom-base"]});