Lines Matching full:watching
1 bindable = PolymerExpressions.prepareEventBinding(\n Path.get(events[n]),\n eventName, \n {\n resolveEventHandler: function(model, path, node) {\n var fn = path.getValueFrom(self);\n if (fn) {\n return fn.bind(self);\n }\n }\n }\n );\n bindable(this, this, false);\n }\n },\n // call 'method' or function method on 'obj' with 'args', if the method exists\n dispatchMethod: function(obj, method, args) {\n if (obj) {\n log.events && console.group('[%s] dispatch [%s]', obj.localName, method);\n var fn = typeof method === 'function' ? method : obj[method];\n if (fn) {\n fn[args ? 'apply' : 'call'](obj, args);\n }\n log.events && console.groupEnd();\n Platform.flush();\n }\n }\n };\n\n // exports\n\n scope.api.instance.events = events;\n\n})(Polymer);\n","/*\r\n * Copyright 2013 The Polymer Authors. All rights reserved.\r\n * Use of this source code is governed by a BSD-style\r\n * license that can be found in the LICENSE file.\r\n */\r\n(function(scope) {\r\n\r\n // instance api for attributes\r\n\r\n var attributes = {\r\n copyInstanceAttributes: function () {\r\n var a$ = this._instanceAttributes;\r\n for (var k in a$) {\r\n if (!this.hasAttribute(k)) {\r\n this.setAttribute(k, a$[k]);\r\n }\r\n }\r\n },\r\n // for each attribute on this, deserialize value to property as needed\r\n takeAttributes: function() {\r\n // if we have no publish lookup table, we have no attributes to take\r\n // TODO(sjmiles): ad hoc\r\n if (this._publishLC) {\r\n for (var i=0, a$=this.attributes, l=a$.length, a; (a=a$[i]) && i<l; i++) {\r\n this.attributeToProperty(a.name, a.value);\r\n }\r\n }\r\n },\r\n // if attribute 'name' is mapped to a property, deserialize\r\n // 'value' into that property\r\n attributeToProperty: function(name, value) {\r\n // try to match this attribute to a property (attributes are\r\n // all lower-case, so this is case-insensitive search)\r\n var name = this.propertyForAttribute(name);\r\n if (name) {\r\n // filter out 'mustached' values, these are to be\r\n // replaced with bound-data and are not yet values\r\n // themselves\r\n if (value && value.search(scope.bindPattern) >= 0) {\r\n return;\r\n }\r\n // get original value\r\n var currentValue = this[name];\r\n // deserialize Boolean or Number values from attribute\r\n var value = this.deserializeValue(value, currentValue);\r\n // only act if the value has changed\r\n if (value !== currentValue) {\r\n // install new value (has side-effects)\r\n this[name] = value;\r\n }\r\n }\r\n },\r\n // return the published property matching name, or undefined\r\n propertyForAttribute: function(name) {\r\n var match = this._publishLC && this._publishLC[name];\r\n //console.log('propertyForAttribute:', name, 'matches', match);\r\n return match;\r\n },\r\n // convert representation of 'stringValue' based on type of 'currentValue'\r\n deserializeValue: function(stringValue, currentValue) {\r\n return scope.deserializeValue(stringValue, currentValue);\r\n },\r\n serializeValue: function(value, inferredType) {\r\n if (inferredType === 'boolean') {\r\n return value ? '' : undefined;\r\n } else if (inferredType !== 'object' && inferredType !== 'function'\r\n && value !== undefined) {\r\n return value;\r\n }\r\n },\r\n reflectPropertyToAttribute: function(name) {\r\n var inferredType = typeof this[name];\r\n // try to intelligently serialize property value\r\n var serializedValue = this.serializeValue(this[name], inferredType);\r\n // boolean properties must reflect as boolean attributes\r\n if (serializedValue !== undefined) {\r\n this.setAttribute(name, serializedValue);\r\n // TODO(sorvell): we should remove attr for all properties\r\n // that have undefined serialization; however, we will need to\r\n // refine the attr reflection system to achieve this; pica, for example,\r\n // relies on having inferredType object properties not removed as\r\n // attrs.\r\n } else if (inferredType === 'boolean') {\r\n this.removeAttribute(name);\r\n }\r\n }\r\n };\r\n\r\n // exports\r\n\r\n scope.api.instance.attributes = attributes;\r\n\r\n})(Polymer);\r\n","/*\n * Copyright 2013 The Polymer Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n(function(scope) {\n\n // imports\n\n var log = window.logFlags || {};\n\n // magic words\n\n var OBSERVE_SUFFIX = 'Changed';\n\n // element api\n\n var empty = [];\n\n var properties = {\n observeProperties: function() {\n var n$ = this._observeNames, pn$ = this._publishNames;\n if ((n$ && n$.length) || (pn$ && pn$.length)) {\n var self = this;\n var o = this._propertyObserver = new CompoundObserver();\n // keep track of property observer so we can shut it down\n this.registerObservers([o]);\n for (var i=0, l=n$.length, n; (i<l) && (n=n$[i]); i++) {\n o.addPath(this, n);\n // observer array properties\n var pd = Object.getOwnPropertyDescriptor(this.__proto__, n);\n if (pd && pd.value) {\n this.observeArrayValue(n, pd.value, null);\n }\n }\n for (var i=0, l=pn$.length, n; (i<l) && (n=pn$[i]); i++) {\n if (!this.observe || (this.observe[n] === undefined)) {\n o.addPath(this, n);\n }\n }\n o.open(this.notifyPropertyChanges, this);\n }\n },\n notifyPropertyChanges: function(newValues, oldValues, paths) {\n var name, method, called = {};\n for (var i in oldValues) {\n // note: paths is of form [object, path, object, path]\n name = paths[2 * i + 1];\n if (this.publish[name] !== undefined) {\n this.reflectPropertyToAttribute(name);\n }\n method = this.observe[name];\n if (method) {\n this.observeArrayValue(name, newValues[i], oldValues[i]);\n if (!called[method]) {\n called[method] = true;\n // observes the value if it is an array\n this.invokeMethod(method, [oldValues[i], newValues[i], arguments]);\n }\n }\n }\n },\n observeArrayValue: function(name, value, old) {\n // we only care if there are registered side-effects\n var callbackName = this.observe[name];\n if (callbackName) {\n // if we are observing the previous value, stop\n if (Array.isArray(old)) {\n log.observe && console.log('[%s] observeArrayValue: unregister observer [%s]', this.localName, name);\n this.closeNamedObserver(name + '__array');\n }\n // if the new value is an array, being observing it\n if (Array.isArray(value)) {\n log.observe && console.log('[%s] observeArrayValue: register observer [%s]', this.localName, name, value);\n var observer = new ArrayObserver(value);\n observer.open(function(value, old) {\n this.invokeMethod(callbackName, [old]);\n }, this);\n this.registerNamedObserver(name + '__array', observer);\n }\n }\n },\n bindProperty: function(property, observable) {\n // apply Polymer two-way reference binding\n return bindProperties(this, property, observable);\n },\n invokeMethod: function(method, args) {\n var fn = this[method] || method;\n if (typeof fn === 'function') {\n fn.apply(this, args);\n }\n },\n registerObservers: function(observers) {\n this._observers.push(observers);\n },\n // observer array items are arrays of observers.\n closeObservers: function() {\n for (var i=0, l=this._observers.length; i<l; i++) {\n this.closeObserverArray(this._observers[i]);\n }\n this._observers = [];\n },\n closeObserverArray: function(observerArray) {\n for (var i=0, l=observerArray.length, o; i<l; i++) {\n o = observerArray[i];\n if (o && o.close) {\n o.close();\n }\n }\n },\n // bookkeeping observers for memory management\n registerNamedObserver: function(name, observer) {\n var o$ = this._namedObservers || (this._namedObservers = {});\n o$[name] = observer;\n },\n closeNamedObserver: function(name) {\n var o$ = this._namedObservers;\n if (o$ && o$[name]) {\n o$[name].close();\n o$[name] = null;\n return true;\n }\n },\n closeNamedObservers: function() {\n if (this._namedObservers) {\n var keys=Object.keys(this._namedObservers);\n for (var i=0, l=keys.length, k, o; (i < l) && (k=keys[i]); i++) {\n o = this._namedObservers[k];\n o.close();\n }\n this._namedObservers = {};\n }\n }\n };\n\n // property binding\n // bind a property in A to a path in B by converting A[property] to a\n // getter/setter pair that accesses B[...path...]\n function bindProperties(inA, inProperty, observable) {\n log.bind && console.log(LOG_BIND_PROPS, inB.localName || 'object', inPath, inA.localName, inProperty);\n // capture A's value if B's value is null or undefined,\n // otherwise use B's value\n // TODO(sorvell): need to review, can do with ObserverTransform\n var v = observable.discardChanges();\n if (v === null || v === undefined) {\n observable.setValue(inA[inProperty]);\n }\n return Observer.defineComputedProperty(inA, inProperty, observable);\n }\n\n // logging\n var LOG_OBSERVE = '[%s] watching
