Merge pull request #5 from blackberry-webworks/invoker-update

fixes invoker after BlobBuilder deprecation and uses ArrayBufferView ins...
blackberry · Oct 2, 2012 · 66be347 · 66be347
2 parents 7613de2 + bc45a2d
commit 66be347
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Showing 3 changed files with 28 additions and 40 deletions.
diff --git a/invoke/invoker/config.xml b/invoke/invoker/config.xml
@@ -30,4 +30,5 @@ limitations under the License.
         <rim:permit>access_shared</rim:permit>
     </rim:permissions>
     <feature id="blackberry.invoke" required="true" version="1.0.0.0"/>
+    <feature id="blackberry.io" required="true" version="1.0.0.0" />
 </widget>
diff --git a/invoke/invoker/index.html b/invoke/invoker/index.html
@@ -18,7 +18,11 @@
 <html>
 <head>
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <script src="webworks-1.0.1.5.js"></script>
+    <script src="webworks-1.0.0.7.js"></script>
+	<!-- 
+		Include BlackBerry 10 WebWorks JavaScript framework file.
+		When doing an SDK upgrade, always make sure you grab the latest from the SDK/Framework/clientFiles folder.
+	-->
     <script src="invocations.js"></script>
     <link rel="stylesheet" type="text/css" href="jquery/jquery.mobile-1.1.0.min.css" />
     <script src="jquery/jquery-1.7.1.min.js"></script>
@@ -31,7 +35,7 @@
             document.getElementById("adobeReader").onclick = invokeAdobeReader;
             document.getElementById("adobeReaderPdf").onclick = invokeAdobeReaderPdf;
             document.getElementById("userApp").onclick = invokeApp;
-            document.getElementById("pictures").onclick = invokePictures;
+            document.getElementById("pictures").onclick = saveFileInvoke;
         }
         //register ready event after window has loaded
         window.addEventListener("load", function (e) {

diff --git a/invoke/invoker/invocations.js b/invoke/invoker/invocations.js
@@ -66,50 +66,33 @@ function invokeApp() {
     }, onSuccess, onError);
 }
 
-//This is an unbound invocation (no target specified): the OS will choose what target to use based on URI
-function invokePictures() {
-
-    downloadPicture();
-
-    blackberry.invoke.invoke({
-        uri: "file:///accounts/1000/shared/downloads/cliffs.jpg",
-    }, onSuccess, onError);
-}
-
-//Supported in HTML5: getting binary data from XHR request
-function downloadPicture() {
+function saveFileInvoke () {
     var xhr = new XMLHttpRequest();
-    xhr.open('GET', "/cliffs.jpg", true);
-    xhr.responseType = 'arraybuffer';
-    
+    xhr.open('GET', '/cliffs.jpg', false);
+    xhr.responseType = 'blob';
+
     xhr.onload = function(e) {
-        if (this.status == 200) {
-            var bb = new window.WebKitBlobBuilder();
-            bb.append(this.response);
-            var blob = bb.getBlob('image/jpeg');
-            saveFile(blob);
-        }
-    };
-    xhr.send();
-}
+        blackberry.io.sandbox = false;
+        window.webkitRequestFileSystem(PERSISTENT, 1024 * 1024, function(fs) {
+            fs.root.getFile(blackberry.io.sharedFolder + '/downloads/cliffs.jpg', {create: true}, function(fileEntry) {
+                fileEntry.createWriter(function(writer) {
 
-//This function demonstrates how to use the HTML5 FileSystem API: a .png blob is saved to a URI which is used for invocation
-function saveFile (blob) {
-    function gotFs(fs) {
-        fs.root.getFile("/accounts/1000/shared/downloads/cliffs.jpg", {create: true}, gotFile, errorHandler);
-    }
+                writer.onerror = function(e) { alert(e) };
 
-    function gotFile(fileEntry) {
-        fileEntry.createWriter(gotWriter, errorHandler);
-    }
+                var blob = new Blob([xhr.response], {type: 'image/jpeg'});
 
-    function gotWriter(fileWriter) {
-        fileWriter.onerror = function (e) {
-            alert("Failed to write JPEG: " + e.toString());
-        }
-        fileWriter.write(blob);
+                writer.write(blob);
+
+                }, errorHandler);
+            }, errorHandler);
+        }, errorHandler);
     }
-    window.webkitRequestFileSystem(PERSISTENT, 10 * 1024, gotFs, errorHandler);
+
+    xhr.send();
+
+    blackberry.invoke.invoke({
+        uri: "file:///accounts/1000/shared/downloads/cliffs.jpg",
+    }, onSuccess, onError);
 }
 
 function errorHandler(fileError) {