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112 lines
3.7 KiB
112 lines
3.7 KiB
// SPDX-License-Identifier: AGPL-3.0-only
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/**
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* Digital Voice Modem - DVMConsole
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* AGPLv3 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / DVM Console
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* @license AGPLv3 License (https://opensource.org/licenses/AGPL-3.0)
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*
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* Copyright (C) 2025 Caleb, K4PHP
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*
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*/
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Threading;
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namespace DVMConsole
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{
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public class FlashingBackgroundManager
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{
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private readonly Control _control;
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private readonly Canvas _canvas;
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private readonly UserControl _userControl;
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private readonly Window _mainWindow;
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private readonly DispatcherTimer _timer;
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private Brush _originalControlBackground;
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private Brush _originalCanvasBackground;
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private Brush _originalUserControlBackground;
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private Brush _originalMainWindowBackground;
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private bool _isFlashing;
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public FlashingBackgroundManager(Control control = null, Canvas canvas = null, UserControl userControl = null, Window mainWindow = null, int intervalMilliseconds = 450)
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{
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_control = control;
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_canvas = canvas;
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_userControl = userControl;
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_mainWindow = mainWindow;
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if (_control == null && _canvas == null && _userControl == null && _mainWindow == null)
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throw new ArgumentException("At least one of control, canvas, userControl, or mainWindow must be provided.");
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_timer = new DispatcherTimer
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{
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Interval = TimeSpan.FromMilliseconds(intervalMilliseconds)
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};
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_timer.Tick += OnTimerTick;
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}
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public void Start()
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{
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if (_isFlashing)
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return;
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if (_control != null)
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_originalControlBackground = _control.Background;
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if (_canvas != null)
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_originalCanvasBackground = _canvas.Background;
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if (_userControl != null)
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_originalUserControlBackground = _userControl.Background;
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if (_mainWindow != null)
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_originalMainWindowBackground = _mainWindow.Background;
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_isFlashing = true;
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_timer.Start();
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}
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public void Stop()
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{
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if (!_isFlashing)
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return;
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_timer.Stop();
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if (_control != null)
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_control.Background = _originalControlBackground;
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if (_canvas != null)
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_canvas.Background = _originalCanvasBackground;
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if (_userControl != null)
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_userControl.Background = _originalUserControlBackground;
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if (_mainWindow != null && _originalMainWindowBackground != null)
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_mainWindow.Background = _originalMainWindowBackground;
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_isFlashing = false;
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}
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private void OnTimerTick(object sender, EventArgs e)
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{
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Brush flashingColor = Brushes.Red;
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if (_control != null)
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_control.Background = _control.Background == Brushes.DarkRed ? _originalControlBackground : Brushes.DarkRed;
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if (_canvas != null)
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_canvas.Background = _canvas.Background == flashingColor ? _originalCanvasBackground : flashingColor;
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if (_userControl != null)
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_userControl.Background = _userControl.Background == Brushes.DarkRed ? _originalUserControlBackground : Brushes.DarkRed;
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if (_mainWindow != null)
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_mainWindow.Background = _mainWindow.Background == flashingColor ? _originalMainWindowBackground : flashingColor;
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}
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}
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}
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