bug 461736 - simple implementation of a geolocation prompt for fennec. r=mfinkle

mobile/components/Makefile.in

@@ -51,6 +51,7 @@ XPIDL_MODULE = browsercompsbase
 
 EXTRA_COMPONENTS = \
 	aboutFirstrun.js \
+	geolocationPrompt.js \
 	$(NULL)
 
 DIRS = protocols \

mobile/components/geolocationPrompt.js

@@ -0,0 +1,67 @@
+const Ci = Components.interfaces;
+const Cc = Components.classes;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+function GeolocationPrompt() {}
+
+GeolocationPrompt.prototype = {
+  classDescription: "Geolocation Prompting Component",
+  classID:          Components.ID("{C6E8C44D-9F39-4AF7-BCC0-76E38A8310F5}"),
+  contractID:       "@mozilla.org/geolocation/prompt;1",
+
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIGeolocationPrompt]),
+ 
+  prompt: function(request) {
+
+    function getChromeWindow(aWindow) {
+      var chromeWin = aWindow 
+        .QueryInterface(Ci.nsIInterfaceRequestor)
+        .getInterface(Ci.nsIWebNavigation)
+        .QueryInterface(Ci.nsIDocShellTreeItem)
+        .rootTreeItem
+        .QueryInterface(Ci.nsIInterfaceRequestor)
+        .getInterface(Ci.nsIDOMWindow)
+        .QueryInterface(Ci.nsIDOMChromeWindow);
+      return chromeWin;
+    }
+
+    var requestingWindow = request.requestingWindow.top;
+    var chromeWin = getChromeWindow(requestingWindow).wrappedJSObject;
+
+    var notificationBox = chromeWin.getNotificationBox(requestingWindow);
+
+    var notification = notificationBox.getNotificationWithValue("geolocation");
+    if (!notification) {
+      var bundleService = Cc["@mozilla.org/intl/stringbundle;1"].getService(Ci.nsIStringBundleService);
+      var browserBundle = bundleService.createBundle("chrome://browser/locale/browser.properties");
+
+      var buttons = [{
+        label: browserBundle.GetStringFromName("geolocation.exactLocation"),
+        accessKey: browserBundle.GetStringFromName("geolocation.exactLocationKey"),
+        callback: function() request.allow()
+        },
+        {
+        label: browserBundle.GetStringFromName("geolocation.nothingLocation"),
+        accessKey: browserBundle.GetStringFromName("geolocation.nothingLocationKey"),
+        callback: function() request.cancel()
+        }];
+      
+      var message = browserBundle.formatStringFromName("geolocation.requestMessage",
+                                                       [request.requestingURI.spec], 1);      
+      notificationBox.appendNotification(message,
+                                         "geolocation",
+                                         "chrome://browser/skin/Info.png",
+                                         notificationBox.PRIORITY_INFO_HIGH,
+                                         buttons);
+    }
+  }
+};
+
+
+//module initialization
+function NSGetModule(aCompMgr, aFileSpec) {
+  return XPCOMUtils.generateModule([GeolocationPrompt]);
+}