http://git-wip-us.apache.org/repos/asf/incubator-apex-malhar/blob/e1a45507/web/demos/app/scripts/vendor/markerwithlabel.js ---------------------------------------------------------------------- diff --git a/web/demos/app/scripts/vendor/markerwithlabel.js b/web/demos/app/scripts/vendor/markerwithlabel.js deleted file mode 100644 index bef0926..0000000 --- a/web/demos/app/scripts/vendor/markerwithlabel.js +++ /dev/null @@ -1,577 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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. - */ -/*! - * - * 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. - */ - -/*jslint browser:true */ -/*global document,google */ - -/** - * @param {Function} childCtor Child class. - * @param {Function} parentCtor Parent class. - */ -function inherits(childCtor, parentCtor) { - /** @constructor */ - function tempCtor() {}; - tempCtor.prototype = parentCtor.prototype; - childCtor.superClass_ = parentCtor.prototype; - childCtor.prototype = new tempCtor(); - /** @override */ - childCtor.prototype.constructor = childCtor; -} - -/** - * This constructor creates a label and associates it with a marker. - * It is for the private use of the MarkerWithLabel class. - * @constructor - * @param {Marker} marker The marker with which the label is to be associated. - * @param {string} crossURL The URL of the cross image =. - * @param {string} handCursor The URL of the hand cursor. - * @private - */ -function MarkerLabel_(marker, crossURL, handCursorURL) { - this.marker_ = marker; - this.handCursorURL_ = marker.handCursorURL; - - this.labelDiv_ = document.createElement("div"); - this.labelDiv_.style.cssText = "position: absolute; overflow: hidden;"; - - // Set up the DIV for handling mouse events in the label. This DIV forms a transparent veil - // in the "overlayMouseTarget" pane, a veil that covers just the label. This is done so that - // events can be captured even if the label is in the shadow of a google.maps.InfoWindow. - // Code is included here to ensure the veil is always exactly the same size as the label. - this.eventDiv_ = document.createElement("div"); - this.eventDiv_.style.cssText = this.labelDiv_.style.cssText; - - // This is needed for proper behavior on MSIE: - this.eventDiv_.setAttribute("onselectstart", "return false;"); - this.eventDiv_.setAttribute("ondragstart", "return false;"); - - // Get the DIV for the "X" to be displayed when the marker is raised. - this.crossDiv_ = MarkerLabel_.getSharedCross(crossURL); -} -inherits(MarkerLabel_, google.maps.OverlayView); - -/** - * Returns the DIV for the cross used when dragging a marker when the - * raiseOnDrag parameter set to true. One cross is shared with all markers. - * @param {string} crossURL The URL of the cross image =. - * @private - */ -MarkerLabel_.getSharedCross = function (crossURL) { - var div; - if (typeof MarkerLabel_.getSharedCross.crossDiv === "undefined") { - div = document.createElement("img"); - div.style.cssText = "position: absolute; z-index: 1000002; display: none;"; - // Hopefully Google never changes the standard "X" attributes: - div.style.marginLeft = "-8px"; - div.style.marginTop = "-9px"; - div.src = crossURL; - MarkerLabel_.getSharedCross.crossDiv = div; - } - return MarkerLabel_.getSharedCross.crossDiv; -}; - -/** - * Adds the DIV representing the label to the DOM. This method is called - * automatically when the marker's <code>setMap</code> method is called. - * @private - */ -MarkerLabel_.prototype.onAdd = function () { - var me = this; - var cMouseIsDown = false; - var cDraggingLabel = false; - var cSavedZIndex; - var cLatOffset, cLngOffset; - var cIgnoreClick; - var cRaiseEnabled; - var cStartPosition; - var cStartCenter; - // Constants: - var cRaiseOffset = 20; - var cDraggingCursor = "url(" + this.handCursorURL_ + ")"; - - // Stops all processing of an event. - // - var cAbortEvent = function (e) { - if (e.preventDefault) { - e.preventDefault(); - } - e.cancelBubble = true; - if (e.stopPropagation) { - e.stopPropagation(); - } - }; - - var cStopBounce = function () { - me.marker_.setAnimation(null); - }; - - this.getPanes().overlayImage.appendChild(this.labelDiv_); - this.getPanes().overlayMouseTarget.appendChild(this.eventDiv_); - // One cross is shared with all markers, so only add it once: - if (typeof MarkerLabel_.getSharedCross.processed === "undefined") { - this.getPanes().overlayImage.appendChild(this.crossDiv_); - MarkerLabel_.getSharedCross.processed = true; - } - - this.listeners_ = [ - google.maps.event.addDomListener(this.eventDiv_, "mouseover", function (e) { - if (me.marker_.getDraggable() || me.marker_.getClickable()) { - this.style.cursor = "pointer"; - google.maps.event.trigger(me.marker_, "mouseover", e); - } - }), - google.maps.event.addDomListener(this.eventDiv_, "mouseout", function (e) { - if ((me.marker_.getDraggable() || me.marker_.getClickable()) && !cDraggingLabel) { - this.style.cursor = me.marker_.getCursor(); - google.maps.event.trigger(me.marker_, "mouseout", e); - } - }), - google.maps.event.addDomListener(this.eventDiv_, "mousedown", function (e) { - cDraggingLabel = false; - if (me.marker_.getDraggable()) { - cMouseIsDown = true; - this.style.cursor = cDraggingCursor; - } - if (me.marker_.getDraggable() || me.marker_.getClickable()) { - google.maps.event.trigger(me.marker_, "mousedown", e); - cAbortEvent(e); // Prevent map pan when starting a drag on a label - } - }), - google.maps.event.addDomListener(document, "mouseup", function (mEvent) { - var position; - if (cMouseIsDown) { - cMouseIsDown = false; - me.eventDiv_.style.cursor = "pointer"; - google.maps.event.trigger(me.marker_, "mouseup", mEvent); - } - if (cDraggingLabel) { - if (cRaiseEnabled) { // Lower the marker & label - position = me.getProjection().fromLatLngToDivPixel(me.marker_.getPosition()); - position.y += cRaiseOffset; - me.marker_.setPosition(me.getProjection().fromDivPixelToLatLng(position)); - // This is not the same bouncing style as when the marker portion is dragged, - // but it will have to do: - try { // Will fail if running Google Maps API earlier than V3.3 - me.marker_.setAnimation(google.maps.Animation.BOUNCE); - setTimeout(cStopBounce, 1406); - } catch (e) {} - } - me.crossDiv_.style.display = "none"; - me.marker_.setZIndex(cSavedZIndex); - cIgnoreClick = true; // Set flag to ignore the click event reported after a label drag - cDraggingLabel = false; - mEvent.latLng = me.marker_.getPosition(); - google.maps.event.trigger(me.marker_, "dragend", mEvent); - } - }), - google.maps.event.addListener(me.marker_.getMap(), "mousemove", function (mEvent) { - var position; - if (cMouseIsDown) { - if (cDraggingLabel) { - // Change the reported location from the mouse position to the marker position: - mEvent.latLng = new google.maps.LatLng(mEvent.latLng.lat() - cLatOffset, mEvent.latLng.lng() - cLngOffset); - position = me.getProjection().fromLatLngToDivPixel(mEvent.latLng); - if (cRaiseEnabled) { - me.crossDiv_.style.left = position.x + "px"; - me.crossDiv_.style.top = position.y + "px"; - me.crossDiv_.style.display = ""; - position.y -= cRaiseOffset; - } - me.marker_.setPosition(me.getProjection().fromDivPixelToLatLng(position)); - if (cRaiseEnabled) { // Don't raise the veil; this hack needed to make MSIE act properly - me.eventDiv_.style.top = (position.y + cRaiseOffset) + "px"; - } - google.maps.event.trigger(me.marker_, "drag", mEvent); - } else { - // Calculate offsets from the click point to the marker position: - cLatOffset = mEvent.latLng.lat() - me.marker_.getPosition().lat(); - cLngOffset = mEvent.latLng.lng() - me.marker_.getPosition().lng(); - cSavedZIndex = me.marker_.getZIndex(); - cStartPosition = me.marker_.getPosition(); - cStartCenter = me.marker_.getMap().getCenter(); - cRaiseEnabled = me.marker_.get("raiseOnDrag"); - cDraggingLabel = true; - me.marker_.setZIndex(1000000); // Moves the marker & label to the foreground during a drag - mEvent.latLng = me.marker_.getPosition(); - google.maps.event.trigger(me.marker_, "dragstart", mEvent); - } - } - }), - google.maps.event.addDomListener(document, "keydown", function (e) { - if (cDraggingLabel) { - if (e.keyCode === 27) { // Esc key - cRaiseEnabled = false; - me.marker_.setPosition(cStartPosition); - me.marker_.getMap().setCenter(cStartCenter); - google.maps.event.trigger(document, "mouseup", e); - } - } - }), - google.maps.event.addDomListener(this.eventDiv_, "click", function (e) { - if (me.marker_.getDraggable() || me.marker_.getClickable()) { - if (cIgnoreClick) { // Ignore the click reported when a label drag ends - cIgnoreClick = false; - } else { - google.maps.event.trigger(me.marker_, "click", e); - cAbortEvent(e); // Prevent click from being passed on to map - } - } - }), - google.maps.event.addDomListener(this.eventDiv_, "dblclick", function (e) { - if (me.marker_.getDraggable() || me.marker_.getClickable()) { - google.maps.event.trigger(me.marker_, "dblclick", e); - cAbortEvent(e); // Prevent map zoom when double-clicking on a label - } - }), - google.maps.event.addListener(this.marker_, "dragstart", function (mEvent) { - if (!cDraggingLabel) { - cRaiseEnabled = this.get("raiseOnDrag"); - } - }), - google.maps.event.addListener(this.marker_, "drag", function (mEvent) { - if (!cDraggingLabel) { - if (cRaiseEnabled) { - me.setPosition(cRaiseOffset); - // During a drag, the marker's z-index is temporarily set to 1000000 to - // ensure it appears above all other markers. Also set the label's z-index - // to 1000000 (plus or minus 1 depending on whether the label is supposed - // to be above or below the marker). - me.labelDiv_.style.zIndex = 1000000 + (this.get("labelInBackground") ? -1 : +1); - } - } - }), - google.maps.event.addListener(this.marker_, "dragend", function (mEvent) { - if (!cDraggingLabel) { - if (cRaiseEnabled) { - me.setPosition(0); // Also restores z-index of label - } - } - }), - google.maps.event.addListener(this.marker_, "position_changed", function () { - me.setPosition(); - }), - google.maps.event.addListener(this.marker_, "zindex_changed", function () { - me.setZIndex(); - }), - google.maps.event.addListener(this.marker_, "visible_changed", function () { - me.setVisible(); - }), - google.maps.event.addListener(this.marker_, "labelvisible_changed", function () { - me.setVisible(); - }), - google.maps.event.addListener(this.marker_, "title_changed", function () { - me.setTitle(); - }), - google.maps.event.addListener(this.marker_, "labelcontent_changed", function () { - me.setContent(); - }), - google.maps.event.addListener(this.marker_, "labelanchor_changed", function () { - me.setAnchor(); - }), - google.maps.event.addListener(this.marker_, "labelclass_changed", function () { - me.setStyles(); - }), - google.maps.event.addListener(this.marker_, "labelstyle_changed", function () { - me.setStyles(); - }) - ]; -}; - -/** - * Removes the DIV for the label from the DOM. It also removes all event handlers. - * This method is called automatically when the marker's <code>setMap(null)</code> - * method is called. - * @private - */ -MarkerLabel_.prototype.onRemove = function () { - var i; - this.labelDiv_.parentNode.removeChild(this.labelDiv_); - this.eventDiv_.parentNode.removeChild(this.eventDiv_); - - // Remove event listeners: - for (i = 0; i < this.listeners_.length; i++) { - google.maps.event.removeListener(this.listeners_[i]); - } -}; - -/** - * Draws the label on the map. - * @private - */ -MarkerLabel_.prototype.draw = function () { - this.setContent(); - this.setTitle(); - this.setStyles(); -}; - -/** - * Sets the content of the label. - * The content can be plain text or an HTML DOM node. - * @private - */ -MarkerLabel_.prototype.setContent = function () { - var content = this.marker_.get("labelContent"); - if (typeof content.nodeType === "undefined") { - this.labelDiv_.innerHTML = content; - this.eventDiv_.innerHTML = this.labelDiv_.innerHTML; - } else { - this.labelDiv_.innerHTML = ""; // Remove current content - this.labelDiv_.appendChild(content); - content = content.cloneNode(true); - this.eventDiv_.appendChild(content); - } -}; - -/** - * Sets the content of the tool tip for the label. It is - * always set to be the same as for the marker itself. - * @private - */ -MarkerLabel_.prototype.setTitle = function () { - this.eventDiv_.title = this.marker_.getTitle() || ""; -}; - -/** - * Sets the style of the label by setting the style sheet and applying - * other specific styles requested. - * @private - */ -MarkerLabel_.prototype.setStyles = function () { - var i, labelStyle; - - // Apply style values from the style sheet defined in the labelClass parameter: - this.labelDiv_.className = this.marker_.get("labelClass"); - this.eventDiv_.className = this.labelDiv_.className; - - // Clear existing inline style values: - this.labelDiv_.style.cssText = ""; - this.eventDiv_.style.cssText = ""; - // Apply style values defined in the labelStyle parameter: - labelStyle = this.marker_.get("labelStyle"); - for (i in labelStyle) { - if (labelStyle.hasOwnProperty(i)) { - this.labelDiv_.style[i] = labelStyle[i]; - this.eventDiv_.style[i] = labelStyle[i]; - } - } - this.setMandatoryStyles(); -}; - -/** - * Sets the mandatory styles to the DIV representing the label as well as to the - * associated event DIV. This includes setting the DIV position, z-index, and visibility. - * @private - */ -MarkerLabel_.prototype.setMandatoryStyles = function () { - this.labelDiv_.style.position = "absolute"; - this.labelDiv_.style.overflow = "hidden"; - // Make sure the opacity setting causes the desired effect on MSIE: - if (typeof this.labelDiv_.style.opacity !== "undefined" && this.labelDiv_.style.opacity !== "") { - this.labelDiv_.style.MsFilter = "\"progid:DXImageTransform.Microsoft.Alpha(opacity=" + (this.labelDiv_.style.opacity * 100) + ")\""; - this.labelDiv_.style.filter = "alpha(opacity=" + (this.labelDiv_.style.opacity * 100) + ")"; - } - - this.eventDiv_.style.position = this.labelDiv_.style.position; - this.eventDiv_.style.overflow = this.labelDiv_.style.overflow; - this.eventDiv_.style.opacity = 0.01; // Don't use 0; DIV won't be clickable on MSIE - this.eventDiv_.style.MsFilter = "\"progid:DXImageTransform.Microsoft.Alpha(opacity=1)\""; - this.eventDiv_.style.filter = "alpha(opacity=1)"; // For MSIE - - this.setAnchor(); - this.setPosition(); // This also updates z-index, if necessary. - this.setVisible(); -}; - -/** - * Sets the anchor point of the label. - * @private - */ -MarkerLabel_.prototype.setAnchor = function () { - var anchor = this.marker_.get("labelAnchor"); - this.labelDiv_.style.marginLeft = -anchor.x + "px"; - this.labelDiv_.style.marginTop = -anchor.y + "px"; - this.eventDiv_.style.marginLeft = -anchor.x + "px"; - this.eventDiv_.style.marginTop = -anchor.y + "px"; -}; - -/** - * Sets the position of the label. The z-index is also updated, if necessary. - * @private - */ -MarkerLabel_.prototype.setPosition = function (yOffset) { - var position = this.getProjection().fromLatLngToDivPixel(this.marker_.getPosition()); - if (typeof yOffset === "undefined") { - yOffset = 0; - } - this.labelDiv_.style.left = Math.round(position.x) + "px"; - this.labelDiv_.style.top = Math.round(position.y - yOffset) + "px"; - this.eventDiv_.style.left = this.labelDiv_.style.left; - this.eventDiv_.style.top = this.labelDiv_.style.top; - - this.setZIndex(); -}; - -/** - * Sets the z-index of the label. If the marker's z-index property has not been defined, the z-index - * of the label is set to the vertical coordinate of the label. This is in keeping with the default - * stacking order for Google Maps: markers to the south are in front of markers to the north. - * @private - */ -MarkerLabel_.prototype.setZIndex = function () { - var zAdjust = (this.marker_.get("labelInBackground") ? -1 : +1); - if (typeof this.marker_.getZIndex() === "undefined") { - this.labelDiv_.style.zIndex = parseInt(this.labelDiv_.style.top, 10) + zAdjust; - this.eventDiv_.style.zIndex = this.labelDiv_.style.zIndex; - } else { - this.labelDiv_.style.zIndex = this.marker_.getZIndex() + zAdjust; - this.eventDiv_.style.zIndex = this.labelDiv_.style.zIndex; - } -}; - -/** - * Sets the visibility of the label. The label is visible only if the marker itself is - * visible (i.e., its visible property is true) and the labelVisible property is true. - * @private - */ -MarkerLabel_.prototype.setVisible = function () { - if (this.marker_.get("labelVisible")) { - this.labelDiv_.style.display = this.marker_.getVisible() ? "block" : "none"; - } else { - this.labelDiv_.style.display = "none"; - } - this.eventDiv_.style.display = this.labelDiv_.style.display; -}; - -/** - * @name MarkerWithLabelOptions - * @class This class represents the optional parameter passed to the {@link MarkerWithLabel} constructor. - * The properties available are the same as for <code>google.maps.Marker</code> with the addition - * of the properties listed below. To change any of these additional properties after the labeled - * marker has been created, call <code>google.maps.Marker.set(propertyName, propertyValue)</code>. - * <p> - * When any of these properties changes, a property changed event is fired. The names of these - * events are derived from the name of the property and are of the form <code>propertyname_changed</code>. - * For example, if the content of the label changes, a <code>labelcontent_changed</code> event - * is fired. - * <p> - * @property {string|Node} [labelContent] The content of the label (plain text or an HTML DOM node). - * @property {Point} [labelAnchor] By default, a label is drawn with its anchor point at (0,0) so - * that its top left corner is positioned at the anchor point of the associated marker. Use this - * property to change the anchor point of the label. For example, to center a 50px-wide label - * beneath a marker, specify a <code>labelAnchor</code> of <code>google.maps.Point(25, 0)</code>. - * (Note: x-values increase to the right and y-values increase to the top.) - * @property {string} [labelClass] The name of the CSS class defining the styles for the label. - * Note that style values for <code>position</code>, <code>overflow</code>, <code>top</code>, - * <code>left</code>, <code>zIndex</code>, <code>display</code>, <code>marginLeft</code>, and - * <code>marginTop</code> are ignored; these styles are for internal use only. - * @property {Object} [labelStyle] An object literal whose properties define specific CSS - * style values to be applied to the label. Style values defined here override those that may - * be defined in the <code>labelClass</code> style sheet. If this property is changed after the - * label has been created, all previously set styles (except those defined in the style sheet) - * are removed from the label before the new style values are applied. - * Note that style values for <code>position</code>, <code>overflow</code>, <code>top</code>, - * <code>left</code>, <code>zIndex</code>, <code>display</code>, <code>marginLeft</code>, and - * <code>marginTop</code> are ignored; these styles are for internal use only. - * @property {boolean} [labelInBackground] A flag indicating whether a label that overlaps its - * associated marker should appear in the background (i.e., in a plane below the marker). - * The default is <code>false</code>, which causes the label to appear in the foreground. - * @property {boolean} [labelVisible] A flag indicating whether the label is to be visible. - * The default is <code>true</code>. Note that even if <code>labelVisible</code> is - * <code>true</code>, the label will <i>not</i> be visible unless the associated marker is also - * visible (i.e., unless the marker's <code>visible</code> property is <code>true</code>). - * @property {boolean} [raiseOnDrag] A flag indicating whether the label and marker are to be - * raised when the marker is dragged. The default is <code>true</code>. If a draggable marker is - * being created and a version of Google Maps API earlier than V3.3 is being used, this property - * must be set to <code>false</code>. - * @property {boolean} [optimized] A flag indicating whether rendering is to be optimized for the - * marker. <b>Important: The optimized rendering technique is not supported by MarkerWithLabel, - * so the value of this parameter is always forced to <code>false</code>. - * @property {string} [crossImage="http://maps.gstatic.com/intl/en_us/mapfiles/drag_cross_67_16.png";] - * The URL of the cross image to be displayed while dragging a marker. - * @property {string} [handCursor="http://maps.gstatic.com/intl/en_us/mapfiles/closedhand_8_8.cur";] - * The URL of the cursor to be displayed while dragging a marker. - */ -/** - * Creates a MarkerWithLabel with the options specified in {@link MarkerWithLabelOptions}. - * @constructor - * @param {MarkerWithLabelOptions} [opt_options] The optional parameters. - */ -function MarkerWithLabel(opt_options) { - opt_options = opt_options || {}; - opt_options.labelContent = opt_options.labelContent || ""; - opt_options.labelAnchor = opt_options.labelAnchor || new google.maps.Point(0, 0); - opt_options.labelClass = opt_options.labelClass || "markerLabels"; - opt_options.labelStyle = opt_options.labelStyle || {}; - opt_options.labelInBackground = opt_options.labelInBackground || false; - if (typeof opt_options.labelVisible === "undefined") { - opt_options.labelVisible = true; - } - if (typeof opt_options.raiseOnDrag === "undefined") { - opt_options.raiseOnDrag = true; - } - if (typeof opt_options.clickable === "undefined") { - opt_options.clickable = true; - } - if (typeof opt_options.draggable === "undefined") { - opt_options.draggable = false; - } - if (typeof opt_options.optimized === "undefined") { - opt_options.optimized = false; - } - opt_options.crossImage = opt_options.crossImage || "http" + (document.location.protocol === "https:" ? "s" : "") + "://maps.gstatic.com/intl/en_us/mapfiles/drag_cross_67_16.png"; - opt_options.handCursor = opt_options.handCursor || "http" + (document.location.protocol === "https:" ? "s" : "") + "://maps.gstatic.com/intl/en_us/mapfiles/closedhand_8_8.cur"; - opt_options.optimized = false; // Optimized rendering is not supported - - this.label = new MarkerLabel_(this, opt_options.crossImage, opt_options.handCursor); // Bind the label to the marker - - // Call the parent constructor. It calls Marker.setValues to initialize, so all - // the new parameters are conveniently saved and can be accessed with get/set. - // Marker.set triggers a property changed event (called "propertyname_changed") - // that the marker label listens for in order to react to state changes. - google.maps.Marker.apply(this, arguments); -} -inherits(MarkerWithLabel, google.maps.Marker); - -/** - * Overrides the standard Marker setMap function. - * @param {Map} theMap The map to which the marker is to be added. - * @private - */ -MarkerWithLabel.prototype.setMap = function (theMap) { - - // Call the inherited function... - google.maps.Marker.prototype.setMap.apply(this, arguments); - - // ... then deal with the label: - this.label.setMap(theMap); -};
http://git-wip-us.apache.org/repos/asf/incubator-apex-malhar/blob/e1a45507/web/demos/app/scripts/vendor/visibly.js ---------------------------------------------------------------------- diff --git a/web/demos/app/scripts/vendor/visibly.js b/web/demos/app/scripts/vendor/visibly.js deleted file mode 100644 index a94fdfd..0000000 --- a/web/demos/app/scripts/vendor/visibly.js +++ /dev/null @@ -1,132 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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. - */ -;(function () { - - window.visibly = { - q: document, - p: undefined, - prefixes: ['webkit', 'ms','o','moz','khtml'], - props: ['VisibilityState', 'visibilitychange', 'Hidden'], - m: ['focus', 'blur'], - visibleCallbacks: [], - hiddenCallbacks: [], - genericCallbacks:[], - _callbacks: [], - cachedPrefix:"", - fn:null, - - onVisible: function (_callback) { - if(typeof _callback == 'function' ){ - this.visibleCallbacks.push(_callback); - } - }, - onHidden: function (_callback) { - if(typeof _callback == 'function' ){ - this.hiddenCallbacks.push(_callback); - } - }, - getPrefix:function(){ - if(!this.cachedPrefix){ - for(var l=0;b=this.prefixes[l++];){ - if(b + this.props[2] in this.q){ - this.cachedPrefix = b; - return this.cachedPrefix; - } - } - } - }, - - visibilityState:function(){ - return this._getProp(0); - }, - hidden:function(){ - return this._getProp(2); - }, - visibilitychange:function(fn){ - if(typeof fn == 'function' ){ - this.genericCallbacks.push(fn); - } - - var n = this.genericCallbacks.length; - if(n){ - if(this.cachedPrefix){ - while(n--){ - this.genericCallbacks[n].call(this, this.visibilityState()); - } - }else{ - while(n--){ - this.genericCallbacks[n].call(this, arguments[0]); - } - } - } - - }, - isSupported: function (index) { - return ((this.cachedPrefix + this.props[2]) in this.q); - }, - _getProp:function(index){ - return this.q[this.cachedPrefix + this.props[index]]; - }, - _execute: function (index) { - if (index) { - this._callbacks = (index == 1) ? this.visibleCallbacks : this.hiddenCallbacks; - var n = this._callbacks.length; - while(n--){ - this._callbacks[n](); - } - } - }, - _visible: function () { - window.visibly._execute(1); - window.visibly.visibilitychange.call(window.visibly, 'visible'); - }, - _hidden: function () { - window.visibly._execute(2); - window.visibly.visibilitychange.call(window.visibly, 'hidden'); - }, - _nativeSwitch: function () { - this[this._getProp(2) ? '_hidden' : '_visible'](); - }, - _listen: function () { - try { /*if no native page visibility support found..*/ - if (!(this.isSupported())) { - if (this.q.addEventListener) { /*for browsers without focusin/out support eg. firefox, opera use focus/blur*/ - window.addEventListener(this.m[0], this._visible, 1); - window.addEventListener(this.m[1], this._hidden, 1); - } else { /*IE <10s most reliable focus events are onfocusin/onfocusout*/ - if (this.q.attachEvent) { - this.q.attachEvent('onfocusin', this._visible); - this.q.attachEvent('onfocusout', this._hidden); - } - } - } else { /*switch support based on prefix detected earlier*/ - this.q.addEventListener(this.cachedPrefix + this.props[1], function () { - window.visibly._nativeSwitch.apply(window.visibly, arguments); - }, 1); - } - } catch (e) {} - }, - init: function () { - this.getPrefix(); - this._listen(); - } - }; - - this.visibly.init(); -})();
![http://maps.gstatic.com/intl/en_us/mapfiles/drag_cross_67_16.png"](https://maps.gstatic.com/intl/en_us/mapfiles/drag_cross_67_16.png"){kind=link}