added quitting an app

Limelight/App.h

@@ -13,5 +13,6 @@
 @property NSString* appId;
 @property NSString* appName;
 @property UIImage* appImage;
+@property BOOL isRunning;
 
 @end

Limelight/App.m

@@ -10,6 +10,6 @@
 #import "HttpManager.h"
 
 @implementation App
-@synthesize appId, appName, appImage;
+@synthesize appId, appName, appImage, isRunning;
 
 @end

Limelight/Network/HttpManager.h

@@ -25,6 +25,7 @@
 - (NSURLRequest*) newServerInfoRequest;
 - (NSURLRequest*) newLaunchRequest:(NSString*)appId width:(int)width height:(int)height refreshRate:(int)refreshRate rikey:(NSString*)rikey rikeyid:(int)rikeyid;
 - (NSURLRequest*) newResumeRequestWithRiKey:(NSString*)riKey riKeyId:(int)riKeyId;
+- (NSURLRequest*) newQuitAppRequest;
 - (NSURLRequest*) newAppAssetRequestWithAppId:(NSString*)appId;
 - (NSData*) executeRequestSynchronously:(NSURLRequest*)request;
 @end

Limelight/Network/HttpManager.m

@@ -54,6 +54,7 @@ static const NSString* PORT = @"47984";
             xmlNodePtr appInfoNode = node->xmlChildrenNode;
             NSString* appName;
             NSString* appId;
+            BOOL appIsRunning = NO;
             while (appInfoNode != NULL) {
                 NSLog(@"appInfoNode: %s", appInfoNode->name);
                 if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"AppTitle")) {
@@ -64,12 +65,17 @@ static const NSString* PORT = @"47984";
                     xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
                     appId = [[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding];
                     xmlFree(nodeVal);
+                } else if (!xmlStrcmp(appInfoNode->name, (const xmlChar*)"IsRunning")) {
+                    xmlChar* nodeVal = xmlNodeListGetString(docPtr, appInfoNode->xmlChildrenNode, 1);
+                    appIsRunning = [[[NSString alloc] initWithCString:(const char*)nodeVal encoding:NSUTF8StringEncoding] isEqualToString:@"1"];
+                    xmlFree(nodeVal);
                 }
                 appInfoNode = appInfoNode->next;
             }
             App* app = [[App alloc] init];
             app.appName = appName;
             app.appId = appId;
+            app.isRunning = appIsRunning;
             [appList addObject:app];
         }
         node = node->next;
@@ -254,6 +260,11 @@ static const NSString* PORT = @"47984";
     return [self createRequestFromString:urlString enableTimeout:FALSE];
 }
 
+- (NSURLRequest*) newQuitAppRequest {
+    NSString* urlString = [NSString stringWithFormat:@"%@/cancel?uniqueid=%@", _baseURL, _uniqueId];
+    return [self createRequestFromString:urlString enableTimeout:FALSE];
+}
+
 - (NSURLRequest*) newAppAssetRequestWithAppId:(NSString *)appId {
     NSString* urlString = [NSString stringWithFormat:@"%@/appasset?uniqueid=%@&appid=%@&AssetType=2&AssetIdx=0", _baseURL, _uniqueId, appId];
     return [self createRequestFromString:urlString enableTimeout:FALSE];

Limelight/ViewControllers/MainFrameViewController.m

@@ -26,6 +26,7 @@
     Computer* _selectedHost;
     NSString* _uniqueId;
     NSData* _cert;
+    NSString* _currentGame;
     
     UIAlertView* _pairAlert;
     UIScrollView* hostScrollView;
@@ -65,7 +66,6 @@ static StreamConfiguration* streamConfig;
 
 - (void)alreadyPaired {
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-        
         HttpManager* hMan = [[HttpManager alloc] initWithHost:_selectedHost.hostName uniqueId:_uniqueId deviceName:deviceName cert:_cert];
         NSData* appListResp = [hMan executeRequestSynchronously:[hMan newAppListRequest]];
         appList = [HttpManager getAppListFromXML:appListResp];
@@ -73,6 +73,7 @@ static StreamConfiguration* streamConfig;
             [self updateApps];
             _computerNameButton.title = _selectedHost.displayName;
         });
+        
         [AppManager retrieveAppAssets:appList withManager:hMan andCallback:self];
     });
 }
@@ -157,7 +158,53 @@ static StreamConfiguration* streamConfig;
     if (currentPosition != FrontViewPositionLeft) {
         [[self revealViewController] revealToggle:self];
     }
+    
+    App* currentApp = [self findRunningApp];
+    if (currentApp != nil) {
+        UIAlertController* alertController = [UIAlertController alertControllerWithTitle:@"App Already Running" message:[NSString stringWithFormat:@"%@ is currently running", currentApp.appName] preferredStyle:UIAlertControllerStyleAlert];
+        [alertController addAction:[UIAlertAction actionWithTitle:@"Resume App" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
+            NSLog(@"Resuming application: %@", currentApp.appName);
             [self performSegueWithIdentifier:@"createStreamFrame" sender:nil];
+        }]];
+        [alertController addAction:[UIAlertAction actionWithTitle:@"Quit App" style:UIAlertActionStyleDestructive handler:^(UIAlertAction* action){
+            NSLog(@"Quitting application: %@", currentApp.appName);
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+                HttpManager* hMan = [[HttpManager alloc] initWithHost:_selectedHost.hostName uniqueId:_uniqueId deviceName:deviceName cert:_cert];
+                [hMan executeRequestSynchronously:[hMan newQuitAppRequest]];
+                // TODO: handle failure to quit app
+                currentApp.isRunning = NO;
+                
+                if (![app.appId isEqualToString:currentApp.appId]) {
+                    dispatch_async(dispatch_get_main_queue(), ^{
+                        [self performSegueWithIdentifier:@"createStreamFrame" sender:nil];
+                    });
+                }
+            });
+        }]];
+        [alertController addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:nil]];
+        [self presentViewController:alertController animated:YES completion:nil];
+    } else {
+        [self performSegueWithIdentifier:@"createStreamFrame" sender:nil];
+    }
+}
+
+
+- (App*) findRunningApp {
+    for (App* app in appList) {
+        if (app.isRunning) {
+            return app;
+        }
+    }
+    return nil;
+}
+
+- (App*) findAppInAppList:(NSString*)appId {
+    for (App* app in appList) {
+        if ([app.appId isEqualToString:appId]) {
+            return app;
+        }
+    }
+    return nil;
 }
 
 - (void)revealController:(SWRevealViewController *)revealController didMoveToPosition:(FrontViewPosition)position {
@@ -222,6 +269,11 @@ static StreamConfiguration* streamConfig;
     
     _mDNSManager = [[MDNSManager alloc] initWithCallback:self];
     [_mDNSManager searchForHosts];
+    
+    // This will refresh the applist
+    if (_selectedHost != nil) {
+        [self hostClicked:_selectedHost];
+    }
 }
 
 - (void)viewDidDisappear:(BOOL)animated