private MediaAndCoreWindows GetMediaAndCoreWindowsInternal(JwLibAppTypes appType, string caption)
{
var candidates = _cachedDesktopElement.FindAll(
TreeScope.Children,
new PropertyCondition(AutomationElement.NameProperty, caption));
if (candidates.Count == 0)
{
return(null);
}
foreach (AutomationElement candidate in candidates)
{
if (IsWindowTopMost(candidate))
{
var coreWindow = GetJwlCoreWindow(candidate, caption);
if (coreWindow != null)
{
if (IsCorrectCoreWindow(appType, coreWindow))
{
return(new MediaAndCoreWindows
{
CoreWindow = coreWindow,
MediaWindow = candidate
});
}
}
}
}
return(null);
}
private FindWindowResult GetMediaAndCoreWindow(
JwLibAppTypes appType, string processName, string caption)
{
var result = new FindWindowResult();
if (!Process.GetProcessesByName(processName).Any())
{
return(result);
}
result.JwlRunning = true;
CacheDesktopElement();
if (_cachedDesktopElement == null)
{
return(result);
}
result.FoundDesktop = true;
if (_cachedWindowElements == null)
{
_cachedWindowElements = GetMediaAndCoreWindowsInternal(appType, caption);
}
if (_cachedWindowElements != null)
{
result.FoundMediaWindow = true;
result.CoreMediaWindow = _cachedWindowElements.CoreWindow;
result.MainMediaWindow = _cachedWindowElements.MediaWindow;
try
{
// note that the transform property is not available in
// the original window; only in one that has been "fixed"
if (HasTransformPattern(_cachedWindowElements.MediaWindow))
{
// already fixed
result.IsAlreadyFixed = true;
}
}
catch (ElementNotAvailableException)
{
// one of the windows has gone away so purge the cache...
_cachedWindowElements = null;
_cachedDesktopElement = null;
return(new FindWindowResult
{
FoundDesktop = true,
JwlRunning = true
});
}
}
return(result);
}
private static bool IsCorrectCoreWindow(JwLibAppTypes appType, AutomationElement coreMediaWindow)
{
switch (appType)
{
default:
// ReSharper disable once RedundantCaseLabel
case JwLibAppTypes.None:
return(false);
case JwLibAppTypes.JwLibrary:
return(GetWebView(coreMediaWindow) != null);
case JwLibAppTypes.JwLibrarySignLanguage:
return(GetImageControl(coreMediaWindow) != null);
}
}
/// <summary>
/// Executes the "fixer". Finds the JWL media window and fixes it.
/// </summary>
/// <param name="appType">JWL application type.</param>
/// <param name="topMost">Whether the media window should always be on top.</param>
/// <returns><see cref="FixerStatus"/></returns>
/// <exception cref="Exception">Expected app type!</exception>
// ReSharper disable once UnusedMember.Global
public FixerStatus Execute(JwLibAppTypes appType, bool topMost)
{
try
{
string processName;
string caption;
switch (appType)
{
case JwLibAppTypes.None:
throw new Exception("Expected app type!");
default:
// ReSharper disable once RedundantCaseLabel
case JwLibAppTypes.JwLibrary:
processName = JwLibProcessName;
caption = JwLibCaption;
break;
case JwLibAppTypes.JwLibrarySignLanguage:
processName = JwLibSignLanguageProcessName;
caption = JwLibSignLanguageCaption;
break;
}
return(ExecuteInternal(appType, topMost, processName, caption));
}
catch (ElementNotAvailableException)
{
return(new FixerStatus {
ErrorIsTransitioning = true
});
}
catch (Exception)
{
return(new FixerStatus {
ErrorUnknown = true
});
}
}
private FixerStatus ExecuteInternal(
JwLibAppTypes appType,
bool topMost,
string processName,
string caption)
{
var result = new FixerStatus {
FindWindowResult = GetMediaAndCoreWindow(appType, processName, caption)
};
if (!result.FindWindowResult.FoundMediaWindow ||
result.FindWindowResult.IsAlreadyFixed)
{
return(result);
}
var mainHandle = (IntPtr)result.FindWindowResult.MainMediaWindow.Current.NativeWindowHandle;
var coreHandle = (IntPtr)result.FindWindowResult.CoreMediaWindow.Current.NativeWindowHandle;
// this Sleep is probably not needed
Thread.Sleep(1000);
NativeMethods.SetForegroundWindow(coreHandle);
var rect = result.FindWindowResult.MainMediaWindow.Current.BoundingRectangle;
result.FindWindowResult.CoreMediaWindow.SetFocus();
if (!result.FindWindowResult.CoreMediaWindow.Current.HasKeyboardFocus)
{
return(result);
}
result.CoreWindowFocused = true;
// convert the window using Win+Shift+Return
if (!ConvertMediaWindow(result.FindWindowResult.MainMediaWindow))
{
return(result);
}
var insertAfterValue = topMost
? new IntPtr(-1)
: new IntPtr(0);
const uint ShowWindowFlag = 0x0040;
const uint NoCopyBitsFlag = 0x0100;
const uint NoSendChangingFlag = 0x0400;
// the window used to have a non-transparent titlebar so we could
// just remove it by trimming the top margin...
// const int adjustment = 34; // adjustment for titlebar
// const int border = 8; // adjustment for borders
// ... but in Jan 2021 the title bar became transparent and so
// it needed to be retained. However, the command buttons top right
// can be 'removed' (see below)
const int adjustment = 1; // adjustment for titlebar
const int border = 8; // adjustment for borders
// this Sleep is definitely required. Without it, the media window may remain
// on the primary display (i.e. the SetWindowPos call is ineffective). See #5
Thread.Sleep(500);
NativeMethods.SetWindowPos(
mainHandle,
insertAfterValue,
(int)rect.Left - border,
(int)rect.Top - adjustment,
(int)rect.Width + (border * 2),
(int)rect.Height + adjustment + border,
(int)(NoCopyBitsFlag | NoSendChangingFlag | ShowWindowFlag));
result.IsFixed = true;
EnsureWindowIsNonSizeable(mainHandle);
// to 'remove' the command buttons from the transparent title bar
// we move focus to the main JWL window and then disable the media
// window meaning it can no longer gain focus via mouse click. This
// doesn't prevent the button being displayed if you alt-tab to the
// media window but it is a small change that is generally helpful.
NativeMethods.SetForegroundWindow(coreHandle);
NativeMethods.EnableWindow(mainHandle, false);
return(result);
}
private FixerStatus ExecuteInternal(
JwLibAppTypes appType,
bool topMost,
string processName,
string caption)
{
var result = new FixerStatus {
FindWindowResult = GetMediaAndCoreWindow(appType, processName, caption)
};
if (!result.FindWindowResult.FoundMediaWindow ||
result.FindWindowResult.IsAlreadyFixed)
{
return(result);
}
var mainHandle = (IntPtr)result.FindWindowResult.MainMediaWindow.Current.NativeWindowHandle;
var coreHandle = (IntPtr)result.FindWindowResult.CoreMediaWindow.Current.NativeWindowHandle;
// The Sleep is an attempt to fix #5 (where media window is shown on primary display).
// My assumption is that the media window appears first on the same
// display as JWL and is then moved to the secondary display, and the "rect = "
// call below retrieves this initial position!
Thread.Sleep(1000);
NativeMethods.SetForegroundWindow(coreHandle);
var rect = result.FindWindowResult.MainMediaWindow.Current.BoundingRectangle;
result.FindWindowResult.CoreMediaWindow.SetFocus();
if (!result.FindWindowResult.CoreMediaWindow.Current.HasKeyboardFocus)
{
return(result);
}
result.CoreWindowFocused = true;
// convert the window using Win+Shift+Return
if (!ConvertMediaWindow(result.FindWindowResult.MainMediaWindow))
{
return(result);
}
var insertAfterValue = topMost
? new IntPtr(-1)
: new IntPtr(0);
const uint ShowWindowFlag = 0x0040;
const uint NoCopyBitsFlag = 0x0100;
const uint NoSendChangingFlag = 0x0400;
const int adjustment = 34;
const int border = 8;
NativeMethods.SetWindowPos(
mainHandle,
insertAfterValue,
(int)rect.Left - border,
(int)rect.Top - adjustment,
(int)rect.Width + (border * 2),
(int)rect.Height + adjustment + border,
(int)(NoCopyBitsFlag | NoSendChangingFlag | ShowWindowFlag));
result.IsFixed = true;
return(result);
}
private FixerStatus ExecuteInternal(
JwLibAppTypes appType,
bool topMost,
string processName,
string caption)
{
var result = new FixerStatus {
FindWindowResult = GetMediaAndCoreWindow(appType, processName, caption)
};
if (!result.FindWindowResult.FoundMediaWindow ||
result.FindWindowResult.IsAlreadyFixed)
{
return(result);
}
var mainHandle = (IntPtr)result.FindWindowResult.MainMediaWindow.Current.NativeWindowHandle;
var coreHandle = (IntPtr)result.FindWindowResult.CoreMediaWindow.Current.NativeWindowHandle;
// this Sleep is probably not needed
Thread.Sleep(1000);
NativeMethods.SetForegroundWindow(coreHandle);
var rect = result.FindWindowResult.MainMediaWindow.Current.BoundingRectangle;
result.FindWindowResult.CoreMediaWindow.SetFocus();
if (!result.FindWindowResult.CoreMediaWindow.Current.HasKeyboardFocus)
{
return(result);
}
result.CoreWindowFocused = true;
// convert the window using Win+Shift+Return
if (!ConvertMediaWindow(result.FindWindowResult.MainMediaWindow))
{
return(result);
}
var insertAfterValue = topMost
? new IntPtr(-1)
: new IntPtr(0);
const uint ShowWindowFlag = 0x0040;
const uint NoCopyBitsFlag = 0x0100;
const uint NoSendChangingFlag = 0x0400;
const int adjustment = 34;
const int border = 8;
// this Sleep is definitely required. Without it, the media window may remain
// on the primary display (i.e. the SetWindowPos call is ineffective). See #5
Thread.Sleep(500);
NativeMethods.SetWindowPos(
mainHandle,
insertAfterValue,
(int)rect.Left - border,
(int)rect.Top - adjustment,
(int)rect.Width + (border * 2),
(int)rect.Height + adjustment + border,
(int)(NoCopyBitsFlag | NoSendChangingFlag | ShowWindowFlag));
result.IsFixed = true;
return(result);
}