Fixing SVACE handle leaks in tray and null deref check in Apps

Change-Id: I089a2c99aecb4b5e8d350489b3a04960fc9ff844
Signed-off-by: shivamv <shivam.v2@samsung.com>

5 files changed, 14 insertions, 8 deletions

diff --git a/Apps/Models/AppInfoModel.cs b/Apps/Models/AppInfoModel.cs
index e7a301a..fa487df 100755
--- a/Apps/Models/AppInfoModel.cs
+++ b/Apps/Models/AppInfoModel.cs
@@ -35,16 +35,16 @@ namespace Apps.Models
             set => SetProperty(ref iconBackground, value);
         }
 
-        private void SetDefaultBackground()
+        private ImageVisual GetDefaultImageVisual()
         {
             ImageVisual imageVisual = new ImageVisual()
             {
                 URL = Resources.GetImagePath() + "default_gradient.png",
             };
-            IconBackground = imageVisual.OutputVisualMap;
+            return imageVisual;
         }
 
-        private void SetGradientBackground(PropertyArray stopColor)
+        private GradientVisual GetGradientVisual(PropertyArray stopColor)
         {
             GradientVisual gradientVisual = new GradientVisual()
             {
@@ -53,7 +53,7 @@ namespace Apps.Models
                 StopColor = stopColor,
                 SpreadMethod = GradientVisualSpreadMethodType.Pad,
             };
-            IconBackground = gradientVisual.OutputVisualMap;
+            return gradientVisual;
         }
 
         private PropertyArray GetGradientStopColors(Palette palette)
@@ -124,12 +124,12 @@ namespace Apps.Models
             if (stopColor.Count() < 2)
             {
                 Tizen.Log.Info(Resources.LogTag, "Palette or palatte values not valid, adding default gradient");
-                SetDefaultBackground();
+                IconBackground = GetDefaultImageVisual().OutputVisualMap;
             }
             else
             {
-                Tizen.Log.Info(Resources.LogTag, "setting palette color");
-                SetGradientBackground(stopColor);
+                Tizen.Log.Info(Resources.LogTag, "setting palette color");

+                IconBackground = GetGradientVisual(stopColor).OutputVisualMap;
             }
         }
     }
diff --git a/Apps/ViewModels/AppInfoViewModel.cs b/Apps/ViewModels/AppInfoViewModel.cs
index 797cac0..0958e09 100755
--- a/Apps/ViewModels/AppInfoViewModel.cs
+++ b/Apps/ViewModels/AppInfoViewModel.cs
@@ -16,9 +16,13 @@ namespace Apps.ViewModels
         public void CreateData(IEnumerable<ApplicationInfo> list)
         {
             Clear();
+            if(list == null)

+            {

+                return;

+            }
             foreach (ApplicationInfo appInfo in list)
             {
-                if (string.IsNullOrEmpty(appInfo.IconPath))
+                if (appInfo == null || string.IsNullOrEmpty(appInfo.IconPath))
                 {
                     continue;
                 }
diff --git a/TrayApplication/Models/AppInfoModel.cs b/TrayApplication/Models/AppInfoModel.cs
index 13d917c..4d57ab9 100755
--- a/TrayApplication/Models/AppInfoModel.cs
+++ b/TrayApplication/Models/AppInfoModel.cs
@@ -55,6 +55,7 @@ namespace TrayApplication.Models
                 URL = Resources.GetImagePath() + "default_gradient.png",
             };
             IconBackground = imageVisual.OutputVisualMap;
+            imageVisual.Dispose();
         }
 
         private void SetGradientBackground(PropertyArray stopColor)
@@ -67,6 +68,7 @@ namespace TrayApplication.Models
                 SpreadMethod = GradientVisualSpreadMethodType.Pad,
             };
             IconBackground = gradientVisual.OutputVisualMap;
+            gradientVisual.Dispose();
         }
 
         private PropertyArray GetGradientStopColors(Palette palette)
diff --git a/packaging/org.tizen.Apps-1.0.0.tpk b/packaging/org.tizen.Apps-1.0.0.tpk
index 14a309b..58bcbd4 100755
--- a/packaging/org.tizen.Apps-1.0.0.tpk
+++ b/packaging/org.tizen.Apps-1.0.0.tpk
diff --git a/packaging/org.tizen.TrayApplication-1.0.0.tpk b/packaging/org.tizen.TrayApplication-1.0.0.tpk
index 7282e54..9effc77 100755
--- a/packaging/org.tizen.TrayApplication-1.0.0.tpk
+++ b/packaging/org.tizen.TrayApplication-1.0.0.tpk