490 lines
13 KiB
C#
490 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Drawing;
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using System.Windows.Threading;
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using EveOPreview.Configuration;
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namespace EveOPreview.UI
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{
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public class ThumbnailManager : IThumbnailManager
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{
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#region Private constants
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private const int WindowPositionThreshold = -5000;
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private const int WindowSizeThreshold = -5000;
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private const string ClientProcessName = "ExeFile";
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private const string DefaultClientTitle = "EVE";
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#endregion
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#region Private fields
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private readonly IWindowManager _windowManager;
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private readonly IThumbnailConfig _configuration;
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private readonly DispatcherTimer _thumbnailUpdateTimer;
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private readonly IThumbnailViewFactory _thumbnailViewFactory;
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private readonly Dictionary<IntPtr, IThumbnailView> _thumbnailViews;
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private IntPtr _activeClientHandle;
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private string _activeClientTitle;
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private bool _ignoreViewEvents;
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private bool _isHoverEffectActive;
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#endregion
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public ThumbnailManager(IWindowManager windowManager, IThumbnailConfig configuration, IThumbnailViewFactory factory)
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{
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this._windowManager = windowManager;
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this._configuration = configuration;
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this._thumbnailViewFactory = factory;
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this._activeClientHandle = (IntPtr)0;
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this._activeClientTitle = ThumbnailManager.DefaultClientTitle;
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this.EnableViewEvents();
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this._isHoverEffectActive = false;
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this._thumbnailViews = new Dictionary<IntPtr, IThumbnailView>();
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// DispatcherTimer setup
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this._thumbnailUpdateTimer = new DispatcherTimer();
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this._thumbnailUpdateTimer.Tick += ThumbnailUpdateTimerTick;
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this._thumbnailUpdateTimer.Interval = new TimeSpan(0, 0, 0, 0, configuration.ThumbnailRefreshPeriod);
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}
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public Action<IList<IThumbnailView>> ThumbnailsAdded { get; set; }
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public Action<IList<IThumbnailView>> ThumbnailsUpdated { get; set; }
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public Action<IList<IThumbnailView>> ThumbnailsRemoved { get; set; }
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public Action<String, String, Point> ThumbnailPositionChanged { get; set; }
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public Action<Size> ThumbnailSizeChanged { get; set; }
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public void Activate()
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{
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this._thumbnailUpdateTimer.Start();
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this.RefreshThumbnails();
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}
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public void Deactivate()
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{
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this._thumbnailUpdateTimer.Stop();
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}
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public void SetThumbnailState(IntPtr thumbnailId, bool hideAlways)
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{
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IThumbnailView thumbnail;
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if (!this._thumbnailViews.TryGetValue(thumbnailId, out thumbnail))
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{
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return;
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}
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thumbnail.IsEnabled = !hideAlways;
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}
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public void SetThumbnailsSize(Size size)
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{
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this.DisableViewEvents();
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foreach (KeyValuePair<IntPtr, IThumbnailView> entry in this._thumbnailViews)
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{
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entry.Value.ThumbnailSize = size;
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entry.Value.Refresh(false);
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}
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this.ThumbnailSizeChanged?.Invoke(size);
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this.EnableViewEvents();
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}
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private void RefreshThumbnails()
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{
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IntPtr foregroundWindowHandle = this._windowManager.GetForegroundWindowHandle();
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Boolean hideAllThumbnails = this._configuration.HideThumbnailsOnLostFocus && this.IsNonClientWindowActive(foregroundWindowHandle);
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this.DisableViewEvents();
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// Hide, show, resize and move
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foreach (KeyValuePair<IntPtr, IThumbnailView> entry in this._thumbnailViews)
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{
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IThumbnailView view = entry.Value;
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if (hideAllThumbnails || !view.IsEnabled)
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{
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if (view.IsActive)
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{
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view.Hide();
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}
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continue;
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}
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if (this._configuration.HideActiveClientThumbnail && (view.Id == this._activeClientHandle))
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{
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if (view.IsActive)
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{
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view.Hide();
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}
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continue;
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}
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// No need to update Thumbnails while one of them is highlighted
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if (!this._isHoverEffectActive)
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{
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// Do not even move thumbnails with default caption
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if (this.IsManageableThumbnail(view))
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{
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view.ThumbnailLocation = this._configuration.GetThumbnailLocation(view.Title, this._activeClientTitle, view.ThumbnailLocation);
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}
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view.SetOpacity(this._configuration.ThumbnailOpacity);
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view.SetTopMost(this._configuration.ShowThumbnailsAlwaysOnTop);
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}
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view.IsOverlayEnabled = this._configuration.ShowThumbnailOverlays;
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view.SetHighlight(this._configuration.EnableActiveClientHighlight && (view.Id == this._activeClientHandle),
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this._configuration.ActiveClientHighlightColor, this._configuration.ActiveClientHighlightThickness);
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if (!view.IsActive)
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{
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view.Show();
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}
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else
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{
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view.Refresh(false);
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}
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}
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this.EnableViewEvents();
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}
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public void SetupThumbnailFrames()
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{
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this.DisableViewEvents();
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foreach (KeyValuePair<IntPtr, IThumbnailView> entry in this._thumbnailViews)
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{
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entry.Value.SetFrames(this._configuration.ShowThumbnailFrames);
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}
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this.EnableViewEvents();
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}
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private void ThumbnailUpdateTimerTick(object sender, EventArgs e)
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{
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this.UpdateThumbnailsList();
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this.RefreshThumbnails();
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}
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private void EnableViewEvents()
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{
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this._ignoreViewEvents = false;
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}
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private void DisableViewEvents()
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{
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this._ignoreViewEvents = true;
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}
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private static Process[] GetClientProcesses()
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{
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return Process.GetProcessesByName(ThumbnailManager.ClientProcessName);
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}
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private void UpdateThumbnailsList()
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{
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Process[] clientProcesses = ThumbnailManager.GetClientProcesses();
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List<IntPtr> processHandles = new List<IntPtr>(clientProcesses.Length);
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IntPtr foregroundWindowHandle = this._windowManager.GetForegroundWindowHandle();
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List<IThumbnailView> viewsAdded = new List<IThumbnailView>();
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List<IThumbnailView> viewsUpdated = new List<IThumbnailView>();
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List<IThumbnailView> viewsRemoved = new List<IThumbnailView>();
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foreach (Process process in clientProcesses)
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{
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IntPtr processHandle = process.MainWindowHandle;
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string processTitle = process.MainWindowTitle;
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processHandles.Add(processHandle);
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IThumbnailView view;
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this._thumbnailViews.TryGetValue(processHandle, out view);
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if ((view == null) && (processTitle != ""))
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{
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view = this._thumbnailViewFactory.Create(processHandle, processTitle, this._configuration.ThumbnailSize);
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view.IsEnabled = true;
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view.IsOverlayEnabled = this._configuration.ShowThumbnailOverlays;
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view.SetFrames(this._configuration.ShowThumbnailFrames);
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// Max/Min size limitations should be set AFTER the frames are disabled
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// Otherwise thumbnail window will be unnecessary resized
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view.SetSizeLimitations(this._configuration.ThumbnailMinimumSize, this._configuration.ThumbnailMaximumSize);
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view.SetTopMost(this._configuration.ShowThumbnailsAlwaysOnTop);
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view.ThumbnailLocation = this.IsManageableThumbnail(view)
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? this._configuration.GetThumbnailLocation(processTitle, this._activeClientTitle, view.ThumbnailLocation)
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: this._configuration.GetDefaultThumbnailLocation();
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this._thumbnailViews.Add(processHandle, view);
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view.ThumbnailResized = this.ThumbnailViewResized;
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view.ThumbnailMoved = this.ThumbnailViewMoved;
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view.ThumbnailFocused = this.ThumbnailViewFocused;
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view.ThumbnailLostFocus = this.ThumbnailViewLostFocus;
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view.ThumbnailActivated = this.ThumbnailActivated;
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view.ThumbnailDeactivated = this.ThumbnailDeactivated;
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view.RegisterHotkey(this._configuration.GetClientHotkey(processTitle));
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this.ApplyClientLayout(processHandle, processTitle);
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viewsAdded.Add(view);
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}
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else if ((view != null) && (processTitle != view.Title)) // update thumbnail title
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{
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view.Title = processTitle;
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view.RegisterHotkey(this._configuration.GetClientHotkey(processTitle));
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this.ApplyClientLayout(processHandle, processTitle);
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viewsUpdated.Add(view);
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}
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if (process.MainWindowHandle == foregroundWindowHandle)
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{
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this._activeClientHandle = process.MainWindowHandle;
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this._activeClientTitle = process.MainWindowTitle;
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}
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}
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// Cleanup
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IList<IntPtr> obsoleteThumbnails = new List<IntPtr>();
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foreach (IntPtr processHandle in this._thumbnailViews.Keys)
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{
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if (!processHandles.Contains(processHandle))
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{
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obsoleteThumbnails.Add(processHandle);
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}
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}
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foreach (IntPtr processHandle in obsoleteThumbnails)
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{
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IThumbnailView view = this._thumbnailViews[processHandle];
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this._thumbnailViews.Remove(processHandle);
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view.UnregisterHotkey();
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view.ThumbnailResized = null;
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view.ThumbnailMoved = null;
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view.ThumbnailFocused = null;
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view.ThumbnailLostFocus = null;
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view.ThumbnailActivated = null;
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view.Close();
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viewsRemoved.Add(view);
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}
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this.ThumbnailsAdded?.Invoke(viewsAdded);
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this.ThumbnailsUpdated?.Invoke(viewsUpdated);
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this.ThumbnailsRemoved?.Invoke(viewsRemoved);
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}
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private void ThumbnailViewFocused(IntPtr id)
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{
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if (this._isHoverEffectActive)
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{
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return;
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}
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this._isHoverEffectActive = true;
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IThumbnailView view = this._thumbnailViews[id];
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view.SetTopMost(true);
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view.SetOpacity(1.0);
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if (this._configuration.ThumbnailZoomEnabled)
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{
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this.ThumbnailZoomIn(view);
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}
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}
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private void ThumbnailViewLostFocus(IntPtr id)
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{
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if (!this._isHoverEffectActive)
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{
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return;
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}
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IThumbnailView view = this._thumbnailViews[id];
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if (this._configuration.ThumbnailZoomEnabled)
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{
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this.ThumbnailZoomOut(view);
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}
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view.SetOpacity(this._configuration.ThumbnailOpacity);
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this._isHoverEffectActive = false;
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}
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private void ThumbnailActivated(IntPtr id)
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{
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IThumbnailView view;
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if (this._thumbnailViews.TryGetValue(id, out view))
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{
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this._activeClientHandle = view.Id;
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this._activeClientTitle = view.Title;
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}
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this._windowManager.ActivateWindow(id);
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if (this._configuration.EnableClientLayoutTracking)
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{
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this.UpdateClientLayouts();
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}
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this.RefreshThumbnails();
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view?.Refresh(true);
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}
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private void ThumbnailDeactivated(IntPtr id)
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{
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if (!this._thumbnailViews.TryGetValue(id, out IThumbnailView view))
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{
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return;
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}
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this._windowManager.DeactivateWindow(view.Id);
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this.RefreshThumbnails();
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}
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private void ThumbnailViewResized(IntPtr id)
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{
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if (this._ignoreViewEvents)
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{
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return;
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}
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IThumbnailView view = this._thumbnailViews[id];
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this.SetThumbnailsSize(view.ThumbnailSize);
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view.Refresh(false);
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}
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private void ThumbnailViewMoved(IntPtr id)
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{
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if (this._ignoreViewEvents)
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{
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return;
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}
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IThumbnailView view = this._thumbnailViews[id];
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if (this.IsManageableThumbnail(view))
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{
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this.ThumbnailPositionChanged?.Invoke(view.Title, this._activeClientTitle, view.ThumbnailLocation);
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}
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view.Refresh(false);
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}
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private bool IsNonClientWindowActive(IntPtr windowHandle)
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{
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// We just don't know ATM
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if (windowHandle == IntPtr.Zero)
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{
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return false;
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}
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foreach (KeyValuePair<IntPtr, IThumbnailView> entry in this._thumbnailViews)
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{
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IThumbnailView view = entry.Value;
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if (view.IsKnownHandle(windowHandle))
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{
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return false;
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}
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}
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return true;
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}
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private void ThumbnailZoomIn(IThumbnailView view)
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{
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this.DisableViewEvents();
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view.ZoomIn(ViewZoomAnchorConverter.Convert(this._configuration.ThumbnailZoomAnchor), this._configuration.ThumbnailZoomFactor);
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view.Refresh(false);
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this.EnableViewEvents();
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}
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private void ThumbnailZoomOut(IThumbnailView view)
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{
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this.DisableViewEvents();
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view.ZoomOut();
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view.Refresh(false);
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this.EnableViewEvents();
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}
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private void ApplyClientLayout(IntPtr clientHandle, string clientTitle)
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{
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ClientLayout clientLayout = this._configuration.GetClientLayout(clientTitle);
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if (clientLayout == null)
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{
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return;
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}
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this._windowManager.MoveWindow(clientHandle, clientLayout.X, clientLayout.Y, clientLayout.Width, clientLayout.Height);
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}
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private void UpdateClientLayouts()
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{
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Process[] clientProcesses = ThumbnailManager.GetClientProcesses();
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foreach (Process process in clientProcesses)
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{
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this._windowManager.GetWindowCoordinates(process.MainWindowHandle, out int left, out int top, out int right, out int bottom);
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int width = Math.Abs(right - left);
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int height = Math.Abs(bottom - top);
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if (!this.IsValidWindowPosition(left, top, width, height))
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{
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continue;
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}
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this._configuration.SetClientLayout(process.MainWindowTitle, new ClientLayout(left, top, width, height));
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}
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}
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// We should no manage some thumbnails (like thumbnail of the EVE client sitting on the login screen)
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private bool IsManageableThumbnail(IThumbnailView view)
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{
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return view.Title != ThumbnailManager.DefaultClientTitle;
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}
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// Quick sanity check
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// EVE Online client can create a window on a really weird position outside of the screen for some reason
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// In this case we need to just skip such clients
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private bool IsValidWindowPosition(int letf, int top, int width, int height)
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{
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return (letf >= ThumbnailManager.WindowPositionThreshold)
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&& (top >= ThumbnailManager.WindowPositionThreshold)
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&& (width >= ThumbnailManager.WindowSizeThreshold)
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&& (height >= ThumbnailManager.WindowSizeThreshold);
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}
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}
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} |