More trip planner testing with colors
[busui.git] / labs / openlayers / lib / Gears / gears_init.js
blob:a/labs/openlayers/lib/Gears/gears_init.js -> blob:b/labs/openlayers/lib/Gears/gears_init.js
--- a/labs/openlayers/lib/Gears/gears_init.js
+++ b/labs/openlayers/lib/Gears/gears_init.js
@@ -1,1 +1,89 @@
+/*
+ * Copyright 2007, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. Neither the name of Google Inc. nor the names of its contributors may be
+ *     used to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Sets up google.gears.*, which is *the only* supported way to access Gears.
+ *
+ * Circumvent this file at your own risk!
+ *
+ * In the future, Gears may automatically define google.gears.* without this
+ * file. Gears may use these objects to transparently fix bugs and compatibility
+ * issues. Applications that use the code below will continue to work seamlessly
+ * when that happens.
+ */
 
+(function() {
+  // We are already defined. Hooray!
+  if (window.google && google.gears) {
+    return;
+  }
+
+  var factory = null;
+
+  // Firefox
+  if (typeof GearsFactory != 'undefined') {
+    factory = new GearsFactory();
+  } else {
+    // IE
+    try {
+      factory = new ActiveXObject('Gears.Factory');
+      // privateSetGlobalObject is only required and supported on WinCE.
+      if (factory.getBuildInfo().indexOf('ie_mobile') != -1) {
+        factory.privateSetGlobalObject(this);
+      }
+    } catch (e) {
+      // Safari
+      if ((typeof navigator.mimeTypes != 'undefined')
+           && navigator.mimeTypes["application/x-googlegears"]) {
+        factory = document.createElement("object");
+        factory.style.display = "none";
+        factory.width = 0;
+        factory.height = 0;
+        factory.type = "application/x-googlegears";
+        document.documentElement.appendChild(factory);
+      }
+    }
+  }
+
+  // *Do not* define any objects if Gears is not installed. This mimics the
+  // behavior of Gears defining the objects in the future.
+  if (!factory) {
+    return;
+  }
+
+  // Now set up the objects, being careful not to overwrite anything.
+  //
+  // Note: In Internet Explorer for Windows Mobile, you can't add properties to
+  // the window object. However, global objects are automatically added as
+  // properties of the window object in all browsers.
+  if (!window.google) {
+    google = {};
+  }
+
+  if (!google.gears) {
+    google.gears = {factory: factory};
+  }
+})();
+