Adding mapbox-gl branch

2015-03-16 18:50:27 +01:00
parent 7985f030fa
commit 57ee7f52fd
3109 changed files with 943365 additions and 0 deletions
@@ -0,0 +1,211 @@
+// Copyright 2013 The Closure Library Authors. All Rights Reserved.
+//
+// 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.
+
+/**
+ * @fileoverview This event monitor wraps the Page Visibility API.
+ * @see http://www.w3.org/TR/page-visibility/
+ */
+
+goog.provide('goog.labs.dom.PageVisibilityEvent');
+goog.provide('goog.labs.dom.PageVisibilityMonitor');
+goog.provide('goog.labs.dom.PageVisibilityState');
+
+goog.require('goog.dom');
+goog.require('goog.dom.vendor');
+goog.require('goog.events');
+goog.require('goog.events.Event');
+goog.require('goog.events.EventTarget');
+goog.require('goog.events.EventType');
+goog.require('goog.memoize');
+
+goog.scope(function() {
+var dom = goog.labs.dom;
+
+
+/**
+ * The different visibility states.
+ * @enum {string}
+ */
+dom.PageVisibilityState = {
+  HIDDEN: 'hidden',
+  VISIBLE: 'visible',
+  PRERENDER: 'prerender',
+  UNLOADED: 'unloaded'
+};
+
+
+
+/**
+ * This event handler allows you to catch page visibility change events.
+ * @param {!goog.dom.DomHelper=} opt_domHelper
+ * @constructor
+ * @extends {goog.events.EventTarget}
+ * @final
+ */
+dom.PageVisibilityMonitor = function(opt_domHelper) {
+  dom.PageVisibilityMonitor.base(this, 'constructor');
+
+  /**
+   * @private {!goog.dom.DomHelper}
+   */
+  this.domHelper_ = opt_domHelper || goog.dom.getDomHelper();
+
+  /**
+   * @private {?string}
+   */
+  this.eventType_ = this.getBrowserEventType_();
+
+  // Some browsers do not support visibilityChange and therefore we don't bother
+  // setting up events.
+  if (this.eventType_) {
+    /**
+     * @private {goog.events.Key}
+     */
+    this.eventKey_ = goog.events.listen(this.domHelper_.getDocument(),
+        this.eventType_, goog.bind(this.handleChange_, this));
+  }
+};
+goog.inherits(dom.PageVisibilityMonitor, goog.events.EventTarget);
+
+
+/**
+ * @return {?string} The visibility change event type, or null if not supported.
+ *     Memoized for performance.
+ * @private
+ */
+dom.PageVisibilityMonitor.prototype.getBrowserEventType_ =
+    goog.memoize(function() {
+  var isSupported = this.isSupported();
+  var isPrefixed = this.isPrefixed_();
+
+  if (isSupported) {
+    return isPrefixed ? goog.dom.vendor.getPrefixedEventType(
+        goog.events.EventType.VISIBILITYCHANGE) :
+        goog.events.EventType.VISIBILITYCHANGE;
+  } else {
+    return null;
+  }
+});
+
+
+/**
+ * @return {?string} The browser-specific document.hidden property.  Memoized
+ *     for performance.
+ * @private
+ */
+dom.PageVisibilityMonitor.prototype.getHiddenPropertyName_ = goog.memoize(
+    function() {
+      return goog.dom.vendor.getPrefixedPropertyName(
+          'hidden', this.domHelper_.getDocument());
+    });
+
+
+/**
+ * @return {boolean} Whether the visibility API is prefixed.
+ * @private
+ */
+dom.PageVisibilityMonitor.prototype.isPrefixed_ = function() {
+  return this.getHiddenPropertyName_() != 'hidden';
+};
+
+
+/**
+ * @return {?string} The browser-specific document.visibilityState property.
+ *     Memoized for performance.
+ * @private
+ */
+dom.PageVisibilityMonitor.prototype.getVisibilityStatePropertyName_ =
+    goog.memoize(function() {
+  return goog.dom.vendor.getPrefixedPropertyName(
+      'visibilityState', this.domHelper_.getDocument());
+});
+
+
+/**
+ * @return {boolean} Whether the visibility API is supported.
+ */
+dom.PageVisibilityMonitor.prototype.isSupported = function() {
+  return !!this.getHiddenPropertyName_();
+};
+
+
+/**
+ * @return {boolean} Whether the page is visible.
+ */
+dom.PageVisibilityMonitor.prototype.isHidden = function() {
+  return !!this.domHelper_.getDocument()[this.getHiddenPropertyName_()];
+};
+
+
+/**
+ * @return {?dom.PageVisibilityState} The page visibility state, or null if
+ *     not supported.
+ */
+dom.PageVisibilityMonitor.prototype.getVisibilityState = function() {
+  if (!this.isSupported()) {
+    return null;
+  }
+  return this.domHelper_.getDocument()[this.getVisibilityStatePropertyName_()];
+};
+
+
+/**
+ * Handles the events on the element.
+ * @param {goog.events.BrowserEvent} e The underlying browser event.
+ * @private
+ */
+dom.PageVisibilityMonitor.prototype.handleChange_ = function(e) {
+  var state = this.getVisibilityState();
+  var visibilityEvent = new dom.PageVisibilityEvent(
+      this.isHidden(), /** @type {dom.PageVisibilityState} */ (state));
+  this.dispatchEvent(visibilityEvent);
+};
+
+
+/** @override */
+dom.PageVisibilityMonitor.prototype.disposeInternal = function() {
+  goog.events.unlistenByKey(this.eventKey_);
+  dom.PageVisibilityMonitor.base(this, 'disposeInternal');
+};
+
+
+
+/**
+ * A page visibility change event.
+ * @param {boolean} hidden Whether the page is hidden.
+ * @param {goog.labs.dom.PageVisibilityState} visibilityState A more detailed
+ *     visibility state.
+ * @constructor
+ * @extends {goog.events.Event}
+ * @final
+ */
+dom.PageVisibilityEvent = function(hidden, visibilityState) {
+  dom.PageVisibilityEvent.base(
+      this, 'constructor', goog.events.EventType.VISIBILITYCHANGE);
+
+  /**
+   * Whether the page is hidden.
+   * @type {boolean}
+   */
+  this.hidden = hidden;
+
+  /**
+   * A more detailed visibility state.
+   * @type {dom.PageVisibilityState}
+   */
+  this.visibilityState = visibilityState;
+};
+goog.inherits(dom.PageVisibilityEvent, goog.events.Event);
+
+});  // goog.scope
@@ -0,0 +1,87 @@
+// Copyright 2013 The Closure Library Authors. All Rights Reserved.
+//
+// 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.
+
+goog.provide('goog.labs.dom.PageVisibilityMonitorTest');
+goog.setTestOnly('goog.labs.dom.PageVisibilityMonitorTest');
+
+goog.require('goog.events');
+goog.require('goog.functions');
+goog.require('goog.labs.dom.PageVisibilityMonitor');
+goog.require('goog.testing.PropertyReplacer');
+goog.require('goog.testing.events');
+goog.require('goog.testing.events.Event');
+goog.require('goog.testing.jsunit');
+goog.require('goog.testing.recordFunction');
+
+var stubs = new goog.testing.PropertyReplacer();
+var vh;
+
+
+function tearDown() {
+  goog.dispose(vh);
+  vh = null;
+  stubs.reset();
+}
+
+function testConstructor() {
+  vh = new goog.labs.dom.PageVisibilityMonitor();
+}
+
+function testNoVisibilitySupport() {
+  stubs.set(goog.labs.dom.PageVisibilityMonitor.prototype,
+      'getBrowserEventType_', goog.functions.NULL);
+
+  var listener = goog.testing.recordFunction();
+  vh = new goog.labs.dom.PageVisibilityMonitor();
+
+  goog.events.listen(vh, 'visibilitychange', listener);
+
+  var e = new goog.testing.events.Event('visibilitychange');
+  e.target = window.document;
+  goog.testing.events.fireBrowserEvent(e);
+  assertEquals(0, listener.getCallCount());
+}
+
+function testListener() {
+  stubs.set(goog.labs.dom.PageVisibilityMonitor.prototype,
+      'getBrowserEventType_', goog.functions.constant('visibilitychange'));
+
+  var listener = goog.testing.recordFunction();
+  vh = new goog.labs.dom.PageVisibilityMonitor();
+
+  goog.events.listen(vh, 'visibilitychange', listener);
+
+  var e = new goog.testing.events.Event('visibilitychange');
+  e.target = window.document;
+  goog.testing.events.fireBrowserEvent(e);
+
+  assertEquals(1, listener.getCallCount());
+}
+
+function testListenerForWebKit() {
+  stubs.set(goog.labs.dom.PageVisibilityMonitor.prototype,
+      'getBrowserEventType_',
+      goog.functions.constant('webkitvisibilitychange'));
+
+  var listener = goog.testing.recordFunction();
+  vh = new goog.labs.dom.PageVisibilityMonitor();
+
+  goog.events.listen(vh, 'visibilitychange', listener);
+
+  var e = new goog.testing.events.Event('webkitvisibilitychange');
+  e.target = window.document;
+  goog.testing.events.fireBrowserEvent(e);
+
+  assertEquals(1, listener.getCallCount());
+}