Added back button overriding (should kill CB-459) and proper firing o…

…f events back into webview using cordova-js approach
apache · Apr 9, 2012 · d4a0572 · d4a0572
1 parent 7ded942
commit d4a0572
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Showing 2 changed files with 16 additions and 3 deletions.
diff --git a/lib/wp7/platform.js b/lib/wp7/platform.js
@@ -1,4 +1,5 @@
-
+var cordova = require('cordova'),
+      exec = require('cordova/exec');
 
 module.exports = {
     id: "wp7",
@@ -207,7 +208,19 @@ if(!window.localStorage)
 })();};
 
 
-
+		// INject a lsitener for the backbutton, and tell native to override the flag (true/false) when we have 1 or more, or 0, listeners
+    var backButtonChannel = cordova.addDocumentEventHandler('backbutton', {
+      onSubscribe:function() {
+        if (this.numHandlers === 1) {
+            exec(null, null, "CoreEvents", "overridebackbutton", [true]);
+        }
+      },
+      onUnsubscribe:function() {
+        if (this.numHandlers === 0) {
+          exec(null, null, "CoreEvents", "overridebackbutton", [false]);
+        }
+      }
+    });
 	},
     objects: {
 		CordovaCommandResult: {

diff --git a/lib/wp7/plugin/wp7/CordovaCommandResult.js b/lib/wp7/plugin/wp7/CordovaCommandResult.js
@@ -6,7 +6,7 @@ var channel = require('cordova/channel');
 module.exports = function(status,callbackId,args,cast) {
 
 	if(status === "backbutton") {
-		cordova.fireEvent(document,"backbutton");
+		cordova.fireDocumentEvent("backbutton");
 		return "true";
 	} 
 	else if(status === "resume") {