ImageLoader changed to Config with setting colors

BatteryWidget/BatteryWidget.csproj

@@ -45,7 +45,7 @@
   <ItemGroup>
     <Compile Include="Battery.cs" />
     <Compile Include="BatteryGraph.cs" />
-    <Compile Include="ImageLoader.cs" />
+    <Compile Include="Config.cs" />
     <Compile Include="WidgetForm.cs">
       <SubType>Form</SubType>
     </Compile>

BatteryWidget/Config.cs

@@ -6,10 +6,11 @@ using BatteryWidget.Properties;
 
 namespace BatteryWidget {
 
-    public static class ImageLoader {
+    public static class Config {
 
         private const int IMAGES_COUNT = 5;
         private const string PATH = "res";
+        private const string CONFIG = "config";
 
         public enum Name {
             Gray,
@@ -17,7 +18,9 @@ namespace BatteryWidget {
             Yellow,
             Green,
             Power
-        } 
+        }
+
+        public static Color warningStateColor, normalStateColor, powerStateColor;
 
         private static Image[] cache = new Image[(int) Name.Power + 1];
 
@@ -42,11 +45,33 @@ namespace BatteryWidget {
             return img;
         }
 
+        /// <summary>
+        /// Read config with colors
+        /// </summary>
+        public static void initColors() {
+            try {
+                using (var reader = new StreamReader(PATH + Path.DirectorySeparatorChar + CONFIG)) {
+                    warningStateColor = readColor(reader);
+                    normalStateColor = readColor(reader);
+                    powerStateColor = readColor(reader);
+                }
+            } catch (Exception) {
+                warningStateColor = Color.Red;
+                normalStateColor = Color.DarkGreen;
+                powerStateColor = Color.Black;
+            }
+        }
+
         private static Image loadImage(string name) {
             string filename = PATH + Path.DirectorySeparatorChar + name + ".png";
             using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read)) {
                 return new Bitmap(fs);
             }
         }
+
+        private static Color readColor(StreamReader reader) {
+            string line = reader.ReadLine();
+            return ColorTranslator.FromHtml(line);
+        }
     }
 }

BatteryWidget/WidgetForm.cs

@@ -25,8 +25,10 @@ namespace BatteryWidget {
         public WidgetForm() {
             InitializeComponent();
 
-            imageLabel.Image = ImageLoader.get(ImageLoader.Name.Green);
+            Config.initColors();
-            grayImage = ImageLoader.get(ImageLoader.Name.Gray);
+
+            imageLabel.Image = Config.get(Config.Name.Green);
+            grayImage = Config.get(Config.Name.Gray);
 
             graph = new BatteryGraph();
 
@@ -156,12 +158,12 @@ namespace BatteryWidget {
         }
 
         private Image powerStateImage() {
-            imageLabel.BackColor = Color.Black;
+            imageLabel.BackColor = Config.powerStateColor;
-            return ImageLoader.get(ImageLoader.Name.Power);
+            return Config.get(Config.Name.Power);
         }
 
         private Image normalStateImage(int percent) {
-            imageLabel.BackColor = Color.DarkGreen;
+            imageLabel.BackColor = Config.normalStateColor;
 
             Bitmap bmp = new Bitmap(selectImage(percent));
 
@@ -178,19 +180,19 @@ namespace BatteryWidget {
         private Image warningStateImage() {
             updateInfoTimer.Interval = 800;
             if (imageLabel.Image.Equals(grayImage)) {
-                imageLabel.BackColor = Color.DarkGreen;
+                imageLabel.BackColor = Config.normalStateColor;
-                return ImageLoader.get(ImageLoader.Name.Red);
+                return Config.get(Config.Name.Red);
             }
-            imageLabel.BackColor = Color.Red;
+            imageLabel.BackColor = Config.warningStateColor;
             return grayImage;
         }
 
         private Image selectImage(int percent) {
             if (percent < 30)
-                return ImageLoader.get(ImageLoader.Name.Red);
+                return Config.get(Config.Name.Red);
             else if (percent < 70)
-                return ImageLoader.get(ImageLoader.Name.Yellow);
+                return Config.get(Config.Name.Yellow);
-            return ImageLoader.get(ImageLoader.Name.Green);
+            return Config.get(Config.Name.Green);
         } 
         #endregion
     }