src/Tizen.NUI/src/public/Theme/ExternalThemeManager.cs

   1 /*
   2  * Copyright(c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 using System;
  19 using System.Collections.Generic;
  20 using System.Diagnostics.CodeAnalysis;
  21 using Tizen.Applications;
  22
  23 namespace Tizen.NUI
  24 {
  25     [SuppressMessage("Microsoft.Design", "CA1031: Do not catch general exception types", Justification = "This method is to handle external resources that may throw an exception but ignorable. This method should not interupt the main stream.")]
  26     internal static class ExternalThemeManager
  27     {
  28         private static Tizen.Applications.ThemeManager.ThemeLoader themeLoader = InitializeThemeLoader();
  29
  30         private static string sharedResourcePath;
  31 #if DEBUG
  32         private static IExternalTheme theme;
  33 #endif
  34         static ExternalThemeManager() { }
  35
  36         public static string SharedResourcePath
  37         {
  38             get
  39             {
  40                 if (themeLoader == null)
  41                 {
  42                     return string.Empty;
  43                 }
  44 #if DEBUG
  45                 if (theme != null)
  46                 {
  47                     return string.Empty;
  48                 }
  49 #endif
  50                 if (sharedResourcePath != null)
  51                 {
  52                     return sharedResourcePath;
  53                 }
  54
  55                 var tizenTheme = themeLoader.CurrentTheme;
  56
  57                 if (tizenTheme == null || string.IsNullOrEmpty(tizenTheme.Id) || string.IsNullOrEmpty(tizenTheme.Version))
  58                 {
  59                     sharedResourcePath = string.Empty;
  60                 }
  61                 else
  62                 {
  63                     ApplicationInfo themePkgInfo;
  64                     try
  65                     {
  66                         themePkgInfo = ApplicationManager.GetInstalledApplication(tizenTheme.Id);
  67                     }
  68                     catch (ArgumentException e)
  69                     {
  70                         Tizen.Log.Error("NUI", $"{e.GetType().Name} occured while getting theme application info.");
  71                         throw;
  72                     }
  73                     catch (InvalidOperationException e)
  74                     {
  75                         Tizen.Log.Error("NUI", $"{e.GetType().Name} occured while getting theme application info.");
  76                         throw;
  77                     }
  78
  79                     if (themePkgInfo == null)
  80                     {
  81                         sharedResourcePath = string.Empty;
  82                     }
  83                     else
  84                     {
  85                         sharedResourcePath = themePkgInfo.SharedResourcePath;
  86                     }
  87                 }
  88
  89                 return sharedResourcePath;
  90             }
  91         }
  92
  93         public static void Initialize()
  94         {
  95             if (themeLoader == null)
  96             {
  97                 return;
  98             }
  99
 100             themeLoader.ThemeChanged += OnTizenThemeChanged;
 101         }
 102
 103         public static IExternalTheme GetCurrentTheme()
 104         {
 105             if (themeLoader == null)
 106             {
 107                 return null;
 108             }
 109
 110 #if DEBUG
 111             if (theme != null)
 112             {
 113                 return theme;
 114             }
 115 #endif
 116             Tizen.Applications.ThemeManager.Theme tizenTheme = null;
 117
 118             try
 119             {
 120                 tizenTheme = themeLoader.CurrentTheme;
 121             }
 122             catch (Exception e)
 123             {
 124                 Tizen.Log.Info("NUI", $"[Ignorable] {e.GetType().Name} occured while getting current theme using {themeLoader.GetType().FullName}: {e.Message}");
 125             }
 126
 127             if (tizenTheme == null || string.IsNullOrEmpty(tizenTheme.Id) || string.IsNullOrEmpty(tizenTheme.Version))
 128             {
 129                 return null;
 130             }
 131
 132             Tizen.Log.Info("NUI", $"TizenTheme: Id({tizenTheme.Id}), Version({tizenTheme.Version}), Title({tizenTheme.Title})");
 133
 134             return new TizenExternalTheme(tizenTheme);
 135         }
 136
 137         public static IExternalTheme GetTheme(string id)
 138         {
 139             if (themeLoader == null)
 140             {
 141                 return null;
 142             }
 143
 144             Tizen.Applications.ThemeManager.Theme tizenTheme = null;
 145
 146             try
 147             {
 148                 tizenTheme = themeLoader.LoadTheme(id);
 149             }
 150             catch (Exception e)
 151             {
 152                 Tizen.Log.Info("NUI", $"[Ignorable] {e.GetType().Name} occured while getting load theme using {themeLoader.GetType().FullName}: {e.Message}");
 153             }
 154
 155             return tizenTheme == null ? null : new TizenExternalTheme(tizenTheme);
 156         }
 157
 158 #if DEBUG
 159         public static void SetTestTheme(IExternalTheme testTheme)
 160         {
 161             if (testTheme == null)
 162             {
 163                 throw new ArgumentNullException(nameof(testTheme));
 164             }
 165
 166             if (string.IsNullOrEmpty(testTheme.Id) || string.IsNullOrEmpty(testTheme.Version))
 167             {
 168                 throw new ArgumentException();
 169             }
 170
 171             theme = testTheme;
 172             ThemeManager.ApplyExternalTheme(theme);
 173         }
 174
 175         public static void SetTestTheme(string id, string version, Dictionary<string, string> testData)
 176         {
 177             if (id == null)
 178             {
 179                 throw new ArgumentNullException(nameof(id));
 180             }
 181             if (version == null)
 182             {
 183                 throw new ArgumentNullException(nameof(version));
 184             }
 185             if (testData == null)
 186             {
 187                 throw new ArgumentNullException(nameof(testData));
 188             }
 189
 190             theme = new DictionaryExternalTheme(id, version, testData);
 191             ThemeManager.ApplyExternalTheme(theme);
 192         }
 193 #endif
 194
 195         private static void OnTizenThemeChanged(object sender, Tizen.Applications.ThemeManager.ThemeEventArgs e)
 196         {
 197 #if DEBUG
 198             theme = null;
 199 #endif
 200             Tizen.Log.Info("NUI", $"TizenTheme: Id({e.Theme.Id}), Version({e.Theme.Version}), Title({e.Theme.Title})");
 201             sharedResourcePath = null;
 202             ThemeManager.ApplyExternalTheme(new TizenExternalTheme(e.Theme));
 203         }
 204
 205         private static Tizen.Applications.ThemeManager.ThemeLoader InitializeThemeLoader()
 206         {
 207             try
 208             {
 209                 return new Tizen.Applications.ThemeManager.ThemeLoader();
 210             }
 211             catch (DllNotFoundException e)
 212             {
 213                 Tizen.Log.Info("NUI", $"[Ignorable] {e.GetType().Name} occured while setting Tizen.Applications.ThemeManager: {e.Message}");
 214             }
 215
 216             return null;
 217         }
 218     }
 219 }
 220