/// <summary>
/// Clear the contents of the tool window associated with this <see cref="T:ToolWindowActivationHelper"/>
/// </summary>
protected virtual void ClearContents()
{
FrameVisibilityFlags flags = myFrameVisibility;
switch (flags & FrameVisibilityFlags.FrameVisibilityMask)
{
case FrameVisibilityFlags.Covered:
case FrameVisibilityFlags.Visible:
IMonitorSelectionService monitor = myMonitorSelectionService;
monitor.SelectionChanged -= new EventHandler <MonitorSelectionEventArgs>(MonitorSelectionChanged);
monitor.DocumentWindowChanged -= new EventHandler <MonitorSelectionEventArgs>(DocumentWindowChanged);
myFrameVisibility = FrameVisibilityFlags.Hidden | (flags & FrameVisibilityFlags.PersistentFlagsMask);
SetCurrentDocument(null, null);
break;
}
}
private void HandlePossibleFrameModeChange()
{
object frameModeObj;
VSFRAMEMODE frameMode;
if (VSConstants.S_OK == myFrame.GetProperty((int)__VSFPROPID.VSFPROPID_FrameMode, out frameModeObj) &&
myLastFrameMode != (frameMode = (VSFRAMEMODE)frameModeObj))
{
myLastFrameMode = frameMode;
FrameVisibilityFlags flags = myFrameVisibility;
if ((flags & FrameVisibilityFlags.FrameVisibilityMask) == FrameVisibilityFlags.Covered &&
0 != (flags & FrameVisibilityFlags.HasBeenVisible))
{
OnShow((int)__FRAMESHOW.FRAMESHOW_WinShown);
}
}
}
private void ShowContents()
{
FrameVisibilityFlags flags = myFrameVisibility;
switch (flags & FrameVisibilityFlags.FrameVisibilityMask)
{
case FrameVisibilityFlags.Covered:
myFrameVisibility = FrameVisibilityFlags.Visible | (flags & FrameVisibilityFlags.PersistentFlagsMask) | FrameVisibilityFlags.HasBeenVisible;
break;
case FrameVisibilityFlags.Hidden:
IMonitorSelectionService monitor = myMonitorSelectionService;
monitor.SelectionChanged += new EventHandler <MonitorSelectionEventArgs>(MonitorSelectionChanged);
monitor.DocumentWindowChanged += new EventHandler <MonitorSelectionEventArgs>(DocumentWindowChanged);
myNotifyCallback.ActivatorVisibleWindowSessionBeginning(this);
SetCurrentDocument(SafeGetCurrentDocument(monitor) as DocDataType, monitor.CurrentDocumentView as DocViewType);
myFrameVisibility = FrameVisibilityFlags.Visible | (flags & FrameVisibilityFlags.PersistentFlagsMask) | FrameVisibilityFlags.HasBeenVisible;
CurrentSelectionContainer = monitor.CurrentSelectionContainer as SelectionContainerType ?? monitor.CurrentDocumentView as SelectionContainerType;
break;
}
}
/// <summary>
/// Implements <see cref="IVsWindowFrameNotify3.OnShow"/>
/// </summary>
protected int OnShow(int fShow)
{
FrameVisibilityFlags flags = myFrameVisibility;
FrameVisibilityFlags startFlags = flags & ~(FrameVisibilityFlags.FrameVisibilityMask | FrameVisibilityFlags.PersistentFlagsMask);
myFrameVisibility &= FrameVisibilityFlags.FrameVisibilityMask | FrameVisibilityFlags.PersistentFlagsMask;
switch ((__FRAMESHOW)fShow)
{
case (__FRAMESHOW)__FRAMESHOW2.FRAMESHOW_BeforeWinHidden:
myFrameVisibility |= FrameVisibilityFlags.PendingHiddenMeansClosed;
break;
case __FRAMESHOW.FRAMESHOW_WinMinimized:
case __FRAMESHOW.FRAMESHOW_TabDeactivated:
// VS2010 is sending a BeforeWinHidden/TabDeactivated/Hidden, which results in a covered state
// with a closed window. If closed is already pending, don't degrade to cover pending instead.
myFrameVisibility |= 0 != (startFlags & FrameVisibilityFlags.PendingHiddenMeansClosed) ? FrameVisibilityFlags.PendingHiddenMeansClosed : FrameVisibilityFlags.PendingHiddenMeansCovered;
break;
case __FRAMESHOW.FRAMESHOW_DestroyMultInst:
case __FRAMESHOW.FRAMESHOW_WinClosed:
ClearContents();
break;
case __FRAMESHOW.FRAMESHOW_WinHidden:
bool cover = false;
object frameModeObj;
VSFRAMEMODE frameMode = (VSFRAMEMODE)(-1);
IVsWindowFrame frame = myFrame;
if (frame != null &&
VSConstants.S_OK == frame.GetProperty((int)__VSFPROPID.VSFPROPID_FrameMode, out frameModeObj))
{
// VS is changing the framemode during a hide request without telling us, always check and reset
// at this point so that a move on a hidden window does not reshow it.
myLastFrameMode = frameMode = (VSFRAMEMODE)frameModeObj;
}
if (0 != (startFlags & FrameVisibilityFlags.PendingHiddenMeansCovered))
{
cover = true;
}
else if (0 == (startFlags & FrameVisibilityFlags.PendingHiddenMeansClosed))
{
cover = frameMode == VSFRAMEMODE.VSFM_MdiChild;
}
if (cover)
{
myFrameVisibility = FrameVisibilityFlags.Covered | (flags & FrameVisibilityFlags.PersistentFlagsMask);
}
else
{
ClearContents();
}
break;
case __FRAMESHOW.FRAMESHOW_AutoHideSlideBegin:
case __FRAMESHOW.FRAMESHOW_WinMaximized:
case __FRAMESHOW.FRAMESHOW_WinRestored:
case __FRAMESHOW.FRAMESHOW_WinShown:
ShowContents();
break;
}
return(VSConstants.S_OK);
}
