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.Diagnostics.CodeAnalysis;
  20 using System.IO;
  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 interrupt the main stream.")]
  26     internal static class ExternalThemeManager
  27     {
  28         private static Tizen.Applications.ThemeManager.ThemeLoader themeLoader;
  29         private static string id;
  30         private static string version;
  31
  32         static ExternalThemeManager() { }
  33
  34         public static void Initialize()
  35         {
  36             if (themeLoader != null)
  37             {
  38                 return;
  39             }
  40
  41             try
  42             {
  43                 themeLoader = new Tizen.Applications.ThemeManager.ThemeLoader();
  44                 themeLoader.ThemeChanged += OnExternalPlatformThemeChanged;
  45             }
  46             catch (Exception e)
  47             {
  48                 Tizen.Log.Info("NUI", $"[Ignorable] {e.GetType().Name} occurred while setting Tizen.Applications.ThemeManager: {e.Message}");
  49             }
  50         }
  51
  52
  53         /// <summary> Returns the theme's shared resource path that is currently loading. </summary>
  54         public static string SharedResourcePath { get; set; } = String.Empty;
  55
  56         // FIXME Please remove this API after fix ThemeLoader.CurrentTheme is fixed.
  57         public static string CurrentThemeId
  58         {
  59             get
  60             {
  61                 if (id == null) UpdateCurrentThemeIdAndVersion();
  62                 return id;
  63             }
  64         }
  65
  66         // FIXME Please remove this API after fix ThemeLoader.CurrentTheme is fixed.
  67         public static string CurrentThemeVersion
  68         {
  69             get
  70             {
  71                 if (version == null) UpdateCurrentThemeIdAndVersion();
  72                 return version;
  73             }
  74         }
  75
  76         public static bool SetTheme(string id)
  77         {
  78             if (themeLoader != null)
  79             {
  80                 try
  81                 {
  82                     themeLoader.CurrentTheme = themeLoader.LoadTheme(id);
  83                     return true;
  84                 }
  85                 catch (Exception e)
  86                 {
  87                     Tizen.Log.Info("NUI", $"[Ignorable] {e.GetType().Name} occurred while getting load theme using {themeLoader.GetType().FullName}: {e.Message}");
  88                 }
  89             }
  90
  91             return false;
  92         }
  93
  94         public static string GetSharedResourcePath(string id)
  95         {
  96             if (!string.IsNullOrEmpty(id))
  97             {
  98                 try
  99                 {
 100                     using (var themePkgInfo = ApplicationManager.GetInstalledApplication(id))
 101                     {
 102                         return themePkgInfo.SharedResourcePath;
 103                     }
 104                 }
 105                 catch (ArgumentException e)
 106                 {
 107                     Tizen.Log.Error("NUI", $"{e.GetType().Name} occurred while getting theme application info.");
 108                 }
 109                 catch (InvalidOperationException e)
 110                 {
 111                     Tizen.Log.Error("NUI", $"{e.GetType().Name} occurred while getting theme application info.");
 112                 }
 113             }
 114
 115             return null;
 116         }
 117
 118         private static void UpdateCurrentThemeIdAndVersion()
 119         {
 120             if (themeLoader == null)
 121             {
 122                 return;
 123             }
 124
 125             Tizen.Applications.ThemeManager.Theme tizenTheme = null;
 126
 127             try
 128             {
 129                 tizenTheme = themeLoader.CurrentTheme;
 130             }
 131             catch (Exception e)
 132             {
 133                 Tizen.Log.Info("NUI", $"[Ignorable] {e.GetType().Name} occurred while getting current theme using {themeLoader.GetType().FullName}: {e.Message}");
 134             }
 135
 136             if (tizenTheme == null || string.IsNullOrEmpty(tizenTheme.Id) || string.IsNullOrEmpty(tizenTheme.Version))
 137             {
 138                 return;
 139             }
 140
 141             Tizen.Log.Info("NUI", $"TizenTheme: Id({tizenTheme.Id}), Version({tizenTheme.Version}), Title({tizenTheme.Title})");
 142
 143             id = tizenTheme.Id;
 144             version = tizenTheme.Version;
 145         }
 146
 147         private static void OnExternalPlatformThemeChanged(object sender, Tizen.Applications.ThemeManager.ThemeEventArgs e)
 148         {
 149             Tizen.Log.Info("NUI", $"TizenTheme: Id({e.Theme.Id}), Version({e.Theme.Version}), Title({e.Theme.Title})");
 150
 151             id = e.Theme.Id;
 152             version = e.Theme.Version;
 153
 154             if (!ThemeManager.PlatformThemeEnabled) return;
 155
 156             ThemeManager.ApplyExternalPlatformTheme(id, version);
 157         }
 158     }
 159 }
 160