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Moved direct WinAPI access into a service

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This commit is contained in:
Anton Kasyanov
2018-02-03 21:09:15 +02:00
parent 2e6d3ffb4d
commit 16f934df62
18 changed files with 299 additions and 170 deletions
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83
Eve-O-Preview/UI/Implementation/ThumbnailView.cs
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@@ -2,18 +2,19 @@ using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using EveOPreview.DwmAPI;
namespace EveOPreview.UI
{
public partial class ThumbnailView : Form, IThumbnailView
{
#region Private fields
private readonly bool _isDwmCompositionEnabled;
private readonly IWindowManager _windowManager;
private readonly ThumbnailOverlay _overlay;
private IDwmThumbnail _thumbnail;
// Part of the logic (namely current size / position management)
// was moved to the view due to the performance reasons
private bool _isThumbnailSetUp;
private bool _isOverlayVisible;
private bool _isTopMost;
private bool _isPositionChanged;
@@ -22,8 +23,6 @@ namespace EveOPreview.UI
private bool _isHighlightEnabled;
private int _highlightWidth;
private DateTime _suppressResizeEventsTimestamp;
private DWM_THUMBNAIL_PROPERTIES _thumbnail;
private IntPtr _thumbnailHandle;
private Size _baseZoomSize;
private Point _baseZoomLocation;
private Point _baseMousePosition;
@@ -32,13 +31,14 @@ namespace EveOPreview.UI
private HotkeyHandler _hotkeyHandler;
#endregion
public ThumbnailView()
public ThumbnailView(IWindowManager windowManager)
{
this._windowManager = windowManager;
this.IsEnabled = true;
this.IsActive = false;
this.IsOverlayEnabled = false;
this._isThumbnailSetUp = false;
this._isOverlayVisible = false;
this._isTopMost = false;
@@ -53,7 +53,6 @@ namespace EveOPreview.UI
InitializeComponent();
this._overlay = new ThumbnailOverlay(this, this.MouseDown_Handler);
this._isDwmCompositionEnabled = WindowManagerNativeMethods.DwmIsCompositionEnabled();
}
public IntPtr Id { get; set; }
@@ -130,9 +129,7 @@ namespace EveOPreview.UI
public new void Close()
{
this.IsActive = false;
this.UnregisterThumbnail(this._thumbnailHandle);
this._thumbnail.Unregister();
this._overlay.Close();
base.Close();
}
@@ -311,9 +308,9 @@ namespace EveOPreview.UI
public void Refresh(bool forceRefresh)
{
// To prevent flickering the old broken thumbnail is removed AFTER the new shiny one is created
IntPtr obsoleteThumbnailHanlde = forceRefresh ? this._thumbnailHandle : IntPtr.Zero;
IDwmThumbnail obsoleteThumbnail = forceRefresh ? this._thumbnail : null;
if ((this._isThumbnailSetUp == false) || forceRefresh)
if ((this._thumbnail == null) || forceRefresh)
{
this.RegisterThumbnail();
}
@@ -330,10 +327,7 @@ namespace EveOPreview.UI
this._isSizeChanged = false;
}
if (obsoleteThumbnailHanlde != IntPtr.Zero)
{
this.UnregisterThumbnail(obsoleteThumbnailHanlde);
}
obsoleteThumbnail?.Unregister();
this._overlay.EnableOverlayLabel(this.IsOverlayEnabled);
@@ -374,8 +368,8 @@ namespace EveOPreview.UI
//this._thumbnail.rcDestination = new RECT(0 + delta, 0 + delta, this.ClientSize.Width - delta, this.ClientSize.Height - delta);
if (!this._isHighlightEnabled)
{
//No highlighting enables, so no odd math required
this._thumbnail.rcDestination = new RECT(0, 0, this.ClientSize.Width, this.ClientSize.Height);
//No highlighting enabled, so no odd math required
this._thumbnail.Move(0, 0, this.ClientSize.Width, this.ClientSize.Height);
return;
}
@@ -389,7 +383,7 @@ namespace EveOPreview.UI
int highlightWidthLeft = (baseWidth - actualWidth) / 2;
int highlightWidthRight = baseWidth - actualWidth - highlightWidthLeft;
this._thumbnail.rcDestination = new RECT(0 + highlightWidthLeft, 0 + this._highlightWidth, baseWidth - highlightWidthRight, baseHeight - this._highlightWidth);
this._thumbnail.Move(0 + highlightWidthLeft, 0 + this._highlightWidth, baseWidth - highlightWidthRight, baseHeight - this._highlightWidth);
}
#region GUI events
@@ -398,7 +392,7 @@ namespace EveOPreview.UI
get
{
var Params = base.CreateParams;
Params.ExStyle |= (int)WindowManagerNativeMethods.WS_EX_TOOLWINDOW;
Params.ExStyle |= (int)InteropConstants.WS_EX_TOOLWINDOW;
return Params;
}
}
@@ -481,56 +475,13 @@ namespace EveOPreview.UI
#region Thumbnail management
private void RegisterThumbnail()
{
this._isThumbnailSetUp = true;
this._thumbnail = new DWM_THUMBNAIL_PROPERTIES();
this._thumbnail.dwFlags = DWM_TNP_CONSTANTS.DWM_TNP_VISIBLE
+ DWM_TNP_CONSTANTS.DWM_TNP_OPACITY
+ DWM_TNP_CONSTANTS.DWM_TNP_RECTDESTINATION
+ DWM_TNP_CONSTANTS.DWM_TNP_SOURCECLIENTAREAONLY;
this._thumbnail.opacity = 255;
this._thumbnail.fVisible = true;
this._thumbnail.fSourceClientAreaOnly = true;
if (!this._isDwmCompositionEnabled)
{
return;
}
this._thumbnailHandle = WindowManagerNativeMethods.DwmRegisterThumbnail(this.Handle, this.Id);
this._thumbnail = new DwmThumbnail(this._windowManager);
this._thumbnail.Register(this.Handle, this.Id);
}
private void UpdateThumbnail()
{
if (!this._isDwmCompositionEnabled)
{
return;
}
try
{
WindowManagerNativeMethods.DwmUpdateThumbnailProperties(this._thumbnailHandle, this._thumbnail);
}
catch (ArgumentException)
{
//This exception will be thrown if the EVE client disappears while this method is running
}
}
private void UnregisterThumbnail(IntPtr thumbnailHandle)
{
if (!this._isDwmCompositionEnabled)
{
return;
}
try
{
WindowManagerNativeMethods.DwmUnregisterThumbnail(thumbnailHandle);
}
catch (ArgumentException)
{
}
this._thumbnail.Update();
}
#endregion