keepass2android/src/keepass2android-app/Utils/ActivityDesign.cs at 788387c2c9bf7eccafc883977ec0926c459b3364 · PhilippC/keepass2android · GitHub

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// This file is part of Keepass2Android, Copyright 2025 Philipp Crocoll.
//
//   Keepass2Android is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   Keepass2Android is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.Linq;
using Android.App;
using Android.Content.Res;
using Android.OS;
using Android.Preferences;
using AndroidX.AppCompat.App;
using keepass2android;

namespace keepass2android
{
  class ActivityDesign
  {
    private readonly Activity _activity;

    private int? _currentThemeId;

    private string _currentIconSet;

    private readonly string _attributeTheme;

    private bool _secureWindow;

    public ActivityDesign(Activity activity)
    {
      _activity = activity;
      try
      {
        var activityAttr = activity.GetType().GetCustomAttributes(false).Where(
        x => x is Android.App.ActivityAttribute
        ).Cast<ActivityAttribute>().First();
        _attributeTheme = activityAttr.Theme;

      }
      catch (Exception e)
      {
        Kp2aLog.LogUnexpectedError(e);
      }

    }

    private bool SecureWindowPref()
    {
      return (PreferenceManager.GetDefaultSharedPreferences(_activity).GetBoolean(
          _activity.GetString(Resource.String.ViewDatabaseSecure_key), true));
    }

    public void ApplyTheme()
    {
      _currentThemeId = NightModePreference;
      AppCompatDelegate.DefaultNightMode = _currentThemeId.Value;
      _secureWindow = SecureWindowPref();

      _currentIconSet = PreferenceManager.GetDefaultSharedPreferences(_activity)
          .GetString("IconSetKey", _activity.PackageName);
    }


    public void ReapplyTheme()
    {

      int newTheme = NightModePreference;
      if (newTheme != _currentThemeId)
      {
        Kp2aLog.Log("recreating due to theme change.");
        _activity.Recreate();
        _activity.Finish(); //withouth this, we'll have two GroupActivities on the backstack afterwards
        return;
      }


      if (PreferenceManager.GetDefaultSharedPreferences(_activity)
          .GetString("IconSetKey", _activity.PackageName) != _currentIconSet)
      {
        Kp2aLog.Log("recreating due to icon set change.");
        _activity.Recreate();
        return;

      }

      if (SecureWindowPref() != _secureWindow)
      {
        Kp2aLog.Log("recreating due to secure window change.");
        _activity.Recreate();
        return;
      }
    }

    public int NightModePreference
    {
      get
      {
        var prefs = PreferenceManager.GetDefaultSharedPreferences(_activity);
        string design = prefs.GetString(_activity.GetString(Resource.String.design_key), _activity.GetString(Resource.String.design_default));
        return design switch
        {
          "MaterialYou" => AppCompatDelegate.ModeNightFollowSystem,
          "System" => AppCompatDelegate.ModeNightFollowSystem,
          "Light" => AppCompatDelegate.ModeNightNo,
          "Dark" => AppCompatDelegate.ModeNightYes,
          _ => AppCompatDelegate.ModeNightFollowSystem,
        };
      }
    }

    public bool IsMaterialYouEnabled
    {
      get
      {
        var prefs = PreferenceManager.GetDefaultSharedPreferences(_activity);
        string design = prefs.GetString(
          _activity.GetString(Resource.String.design_key),
          _activity.GetString(Resource.String.design_default)
        );
        return design == "MaterialYou";
      }
    }

    public void ApplyDialogTheme()
    {

      _activity.SetTheme(Resource.Style.Kp2aTheme_Dialog);


    }


  }
}