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improve:PPT模块

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This commit is contained in:
CJKmkp
2026-02-22 17:52:33 +08:00
parent 8394c6d6d6
commit 17c020284d
2 changed files with 119 additions and 129 deletions
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Ink Canvas/Helpers/PPTManager.cs
+65 -83
View File
@@ -38,89 +38,11 @@ namespace Ink_Canvas.Helpers
{
get
{
try
{
if (PPTApplication == null) return false;
if (!Marshal.IsComObject(PPTApplication)) return false;
// 尝试访问一个简单的属性来验证连接是否有效
var _ = PPTApplication.Name;
return true;
}
catch (COMException comEx)
{
var hr = (uint)comEx.HResult;
// 如果COM对象已失效，返回false
if (hr == 0x8001010E || hr == 0x80004005 || hr == 0x800706B5)
{
return false;
}
return false;
}
catch
{
return false;
}
}
}
public bool IsInSlideShow
{
get
{
object slideShowWindows = null;
object slideShowWindow = null;
object view = null;
try
{
if (PPTApplication == null || !Marshal.IsComObject(PPTApplication)) return false;
slideShowWindows = PPTApplication.SlideShowWindows;
if (slideShowWindows == null) return false;
dynamic ssw = slideShowWindows;
if (ssw.Count == 0) return false;
try
{
slideShowWindow = ssw[1];
if (slideShowWindow == null) return false;
dynamic sswObj = slideShowWindow;
view = sswObj.View;
if (view == null) return false;
return true;
}
catch (COMException comEx)
{
var hr = (uint)comEx.HResult;
if (!IsPptBusyHResult(hr) && (hr == 0x8001010E || hr == 0x80004005))
DisconnectFromPPT();
return false;
}
}
catch (COMException comEx)
{
var hr = (uint)comEx.HResult;
if (!IsPptBusyHResult(hr) && (hr == 0x8001010E || hr == 0x80004005))
DisconnectFromPPT();
if (!IsPptBusyHResult(hr))
LogHelper.WriteLogToFile($"检查PPT放映状态失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning);
return false;
}
catch (Exception ex)
{
LogHelper.WriteLogToFile($"检查PPT放映状态时发生意外错误: {ex}", LogHelper.LogType.Warning);
return false;
}
finally
{
SafeReleaseComObject(view);
SafeReleaseComObject(slideShowWindow);
SafeReleaseComObject(slideShowWindows);
}
if (PPTApplication == null) return false;
return _cachedIsConnected;
}
}
public bool IsInSlideShow => _cachedIsInSlideShow;
public bool IsSupportWPS { get; set; } = false;
public bool SkipAnimationsWhenNavigating { get; set; } = false;
@@ -140,6 +62,8 @@ namespace Ink_Canvas.Helpers
private WpsWindowInfo _lastForegroundWpsWindow;
private DateTime _lastWindowCheckTime = DateTime.MinValue;
private bool _lastSlideShowState;
private volatile bool _cachedIsConnected;
private volatile bool _cachedIsInSlideShow;
private readonly object _lockObject = new object();
private bool _disposed;
private static bool IsPptBusyHResult(uint hr) => hr == 0x80010001 || hr == 0x8001010A;
@@ -259,13 +183,64 @@ namespace Ink_Canvas.Helpers
}
}
private bool RefreshIsInSlideShowFromCom()
{
object slideShowWindows = null;
object slideShowWindow = null;
object view = null;
try
{
if (PPTApplication == null) { _cachedIsInSlideShow = false; return false; }
if (!Marshal.IsComObject(PPTApplication)) { _cachedIsInSlideShow = false; return false; }
slideShowWindows = PPTApplication.SlideShowWindows;
if (slideShowWindows == null) { _cachedIsInSlideShow = false; return false; }
dynamic ssw = slideShowWindows;
if (ssw.Count == 0) { _cachedIsInSlideShow = false; return false; }
slideShowWindow = ssw[1];
if (slideShowWindow == null) { _cachedIsInSlideShow = false; return false; }
dynamic sswObj = slideShowWindow;
view = sswObj.View;
if (view == null) { _cachedIsInSlideShow = false; return false; }
_cachedIsInSlideShow = true;
return true;
}
catch (COMException comEx)
{
var hr = (uint)comEx.HResult;
_cachedIsInSlideShow = false;
if (!IsPptBusyHResult(hr) && (hr == 0x8001010E || hr == 0x80004005 || hr == 0x800706B5))
{
_cachedIsConnected = false;
DisconnectFromPPT();
}
return false;
}
catch (Exception ex)
{
LogHelper.WriteLogToFile($"检查PPT放映状态时发生意外错误: {ex}", LogHelper.LogType.Warning);
_cachedIsInSlideShow = false;
return false;
}
finally
{
SafeReleaseComObject(view);
SafeReleaseComObject(slideShowWindow);
SafeReleaseComObject(slideShowWindows);
}
}
private void CheckSlideShowState()
{
try
{
if (!IsConnected) return;
var currentSlideShowState = IsInSlideShow;
var currentSlideShowState = RefreshIsInSlideShowFromCom();
if (currentSlideShowState != _lastSlideShowState)
{
_lastSlideShowState = currentSlideShowState;
@@ -341,6 +316,7 @@ namespace Ink_Canvas.Helpers
try
{
PPTApplication = pptApp;
_cachedIsConnected = true;
// 在主线程中注册事件，确保COM对象在正确的线程中
Application.Current?.Dispatcher?.Invoke(() =>
@@ -370,7 +346,8 @@ namespace Ink_Canvas.Helpers
LogHelper.WriteLogToFile("成功连接到PPT应用程序", LogHelper.LogType.Event);
if (IsInSlideShow)
RefreshIsInSlideShowFromCom();
if (_cachedIsInSlideShow)
{
OnSlideShowBegin(PPTApplication.SlideShowWindows[1]);
}
@@ -382,6 +359,7 @@ namespace Ink_Canvas.Helpers
catch (Exception ex)
{
LogHelper.WriteLogToFile($"连接PPT应用程序失败: {ex}", LogHelper.LogType.Error);
_cachedIsConnected = false;
PPTApplication = null;
}
}
@@ -456,6 +434,8 @@ namespace Ink_Canvas.Helpers
}
}
_cachedIsConnected = false;
_cachedIsInSlideShow = false;
PPTApplication = null;
CurrentPresentation = null;
CurrentSlides = null;
@@ -734,6 +714,7 @@ namespace Ink_Canvas.Helpers
private void OnSlideShowBegin(SlideShowWindow wn)
{
_cachedIsInSlideShow = true;
try
{
UpdateCurrentPresentationInfo();
@@ -760,6 +741,7 @@ namespace Ink_Canvas.Helpers
private void OnSlideShowEnd(Presentation pres)
{
_cachedIsInSlideShow = false;
try
{
// 记录WPS进程用于后续管理