private InputManager()
{
// STA Requirement
//
// Avalon doesn't necessarily require STA, but many components do. Examples
// include Cicero, OLE, COM, etc. So we throw an exception here if the
// thread is not STA.
if (Thread.CurrentThread.GetApartmentState() != ApartmentState.STA)
{
throw new InvalidOperationException(SR.Get(SRID.RequiresSTA));
}
_stagingArea = new Stack();
_primaryKeyboardDevice = new Win32KeyboardDevice(this);
_primaryMouseDevice = new Win32MouseDevice(this);
_primaryCommandDevice = new CommandDevice(this);
_continueProcessingStagingAreaCallback = new DispatcherOperationCallback(ContinueProcessingStagingArea);
_hitTestInvalidatedAsyncOperation = null;
_hitTestInvalidatedAsyncCallback = new DispatcherOperationCallback(HitTestInvalidatedAsyncCallback);
_layoutUpdatedCallback = new EventHandler(OnLayoutUpdated); //need to cache it, LM only keeps weak ref
ContextLayoutManager.From(Dispatcher).LayoutEvents.Add(_layoutUpdatedCallback);
// Timer used to synchronize the input devices periodically
_inputTimer = new DispatcherTimer(DispatcherPriority.Background);
_inputTimer.Tick += new EventHandler(ValidateInputDevices);
_inputTimer.Interval = TimeSpan.FromMilliseconds(125);
}
public InvokeOnRenderCallback(
DispatcherOperationCallback callback,
object arg)
{
this._callback = callback;
this._arg = arg;
}
internal StylusLogic(InputManager inputManager)
{
_inputManager = new SecurityCriticalData<InputManager>(inputManager);;
_inputManager.Value.PreProcessInput += new PreProcessInputEventHandler(PreProcessInput);
_inputManager.Value.PreNotifyInput += new NotifyInputEventHandler(PreNotifyInput);
_inputManager.Value.PostProcessInput += new ProcessInputEventHandler(PostProcessInput);
#if !MULTICAPTURE
_overIsEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsEnabledChanged);
_overIsVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsVisibleChanged);
_overIsHitTestVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsHitTestVisibleChanged);
_reevaluateStylusOverDelegate = new DispatcherOperationCallback(ReevaluateStylusOverAsync);
_reevaluateStylusOverOperation = null;
_captureIsEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsEnabledChanged);
_captureIsVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsVisibleChanged);
_captureIsHitTestVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsHitTestVisibleChanged);
_reevaluateCaptureDelegate = new DispatcherOperationCallback(ReevaluateCaptureAsync);
_reevaluateCaptureOperation = null;
#endif
_shutdownHandler = new EventHandler(this.OnDispatcherShutdown);
_processDisplayChanged = new DispatcherOperationCallback(ProcessDisplayChanged);
_processDeferredMouseMove = new DispatcherOperationCallback(ProcessDeferredMouseMove);
ReadSystemConfig();
_dlgInputManagerProcessInput = new DispatcherOperationCallback(InputManagerProcessInput);
}
private LayoutManager()
{
// This constructor exists to prevent instantiation of a LayoutManager by any
// means other than through LayoutManager.CurrentLayoutManager.
_updateLayoutBackground = new DispatcherOperationCallback(UpdateLayoutBackground);
_updateCallback = new DispatcherOperationCallback(UpdateLayoutCallback);
}
object RunOnUIThread(DispatcherOperationCallback dispatcherMethod)
{
if (Application.Current.Dispatcher.Thread == Thread.CurrentThread)
{
// This avoids dispatching to the UI thread if we are already in the UI thread.
// Without this runing a command like 1/0 was throwing due to nested dispatches.
return(dispatcherMethod.Invoke(null));
}
Exception e = null;
object returnValue = null;
SynchronizationContext sync = new DispatcherSynchronizationContext(JobWindow.Dispatcher);
sync.Send(
new SendOrPostCallback(delegate(object obj) {
try {
returnValue = dispatcherMethod.Invoke(obj);
} catch (Exception uiException) {
e = uiException;
}
}),
null);
if (e != null)
{
throw new System.Reflection.TargetInvocationException(e.Message, e);
}
return(returnValue);
}
//
// Invoke a delegate in a try/catch.
//
internal object WrappedInvoke(DispatcherOperationCallback callback, object arg)
{
object result = null;
try
{
result = callback(arg);
}
catch (Exception e)
{
#if TINYCLR_DEBUG_DISPATCHER
// allow the debugger to break on the original exception.
if (System.Diagnostics.Debugger.IsAttached)
{
}
else
#endif
if (_finalExceptionHandler == null || !_finalExceptionHandler(this, e))
{
throw;
}
}
return(result);
}
private void UpdateWithNewResult(Exception error, object newData, DispatcherOperationCallback completionWork, object callbackArgs)
{
bool errorChanged = (_error != error);
_error = error;
if (error != null)
{
newData = null;
_initialLoadCalled = false; // allow again InitialLoad after an error
}
_data = newData;
if (completionWork != null)
{
completionWork(callbackArgs);
}
// notify any listeners
OnPropertyChanged(new PropertyChangedEventArgs("Data"));
if (DataChanged != null)
{
DataChanged(this, EventArgs.Empty);
}
if (errorChanged)
{
OnPropertyChanged(new PropertyChangedEventArgs("Error"));
}
}
/// <summary>
/// Executes the specified delegate asynchronously with the specified
/// arguments, on the thread that the Dispatcher was created on.
/// </summary>
/// <param name="method">
/// A delegate to a method that takes parameters of the same number
/// and type that are contained in the args parameter.
/// </param>
/// <param name="args">
/// An object to pass as the argument to the given method.
/// This can be null if no arguments are needed.
/// </param>
/// <returns>
/// A DispatcherOperation object that represents the result of the
/// BeginInvoke operation. null if the operation could not be queued.
/// </returns>
public DispatcherOperation BeginInvoke(DispatcherOperationCallback method, object args)
{
if (method == null)
{
throw new ArgumentNullException("method");
}
DispatcherOperation operation = null;
lock (_instanceLock)
{
if (!_hasShutdownFinished)
{
operation = new DispatcherOperation(this, method, args);
// Add the operation to the work queue
_queue.Enqueue(operation);
// set the event only when the queue becomes non-empty,
// the dispatcher only waits when the queue is empty,
// so this makes it wake-up
if (_queue.Count == 1)
{
_event.Set();
}
}
}
return(operation);
}
internal void BeginInvokeOnRender(DispatcherOperationCallback callback, object arg)
{
Debug.Assert(callback != null);
// While technically it could be OK for the arg to be null, for now
// I know that arg represents the this reference for the layout
// process and should never be null.
Debug.Assert(arg != null);
if (this._invokeOnRenderCallbacks == null)
{
lock (this) {
if (this._invokeOnRenderCallbacks == null)
{
this._invokeOnRenderCallbacks = new ArrayList();
}
}
}
lock (this._invokeOnRenderCallbacks) {
this._invokeOnRenderCallbacks.Add(new InvokeOnRenderCallback(callback, arg));
}
PostRender();
}
/// <summary>
/// Constructor
/// </summary>
internal MediaEventsHelper(MediaPlayer mediaPlayer)
{
_mediaOpened = new DispatcherOperationCallback(OnMediaOpened);
this.DispatcherMediaOpened += _mediaOpened;
_mediaFailed = new DispatcherOperationCallback(OnMediaFailed);
this.DispatcherMediaFailed += _mediaFailed;
_mediaPrerolled = new DispatcherOperationCallback(OnMediaPrerolled);
this.DispatcherMediaPrerolled += _mediaPrerolled;
_mediaEnded = new DispatcherOperationCallback(OnMediaEnded);
this.DispatcherMediaEnded += _mediaEnded;
_bufferingStarted = new DispatcherOperationCallback(OnBufferingStarted);
this.DispatcherBufferingStarted += _bufferingStarted;
_bufferingEnded = new DispatcherOperationCallback(OnBufferingEnded);
this.DispatcherBufferingEnded += _bufferingEnded;
_scriptCommand = new DispatcherOperationCallback(OnScriptCommand);
this.DispatcherScriptCommand += _scriptCommand;
_newFrame = new DispatcherOperationCallback(OnNewFrame);
this.DispatcherMediaNewFrame += _newFrame;
SetSender(mediaPlayer);
}
internal MouseDevice(InputManager inputManager)
{
_inputManager = new SecurityCriticalData<InputManager>(inputManager);
_inputManager.Value.PreProcessInput += new PreProcessInputEventHandler(PreProcessInput);
_inputManager.Value.PreNotifyInput += new NotifyInputEventHandler(PreNotifyInput);
_inputManager.Value.PostProcessInput += new ProcessInputEventHandler(PostProcessInput);
// Get information about how far two clicks of a double click can be considered
// to be in the "same place and time".
//
// The call here goes into the safe helper calls, more of a consistency in approach
//
_doubleClickDeltaX = SafeSystemMetrics.DoubleClickDeltaX;
_doubleClickDeltaY = SafeSystemMetrics.DoubleClickDeltaY;
_doubleClickDeltaTime = SafeNativeMethods.GetDoubleClickTime();
_overIsEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsEnabledChanged);
_overIsVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsVisibleChanged);
_overIsHitTestVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsHitTestVisibleChanged);
_reevaluateMouseOverDelegate = new DispatcherOperationCallback(ReevaluateMouseOverAsync);
_reevaluateMouseOverOperation = null;
_captureIsEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsEnabledChanged);
_captureIsVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsVisibleChanged);
_captureIsHitTestVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsHitTestVisibleChanged);
_reevaluateCaptureDelegate = new DispatcherOperationCallback(ReevaluateCaptureAsync);
_reevaluateCaptureOperation = null;
_inputManager.Value.HitTestInvalidatedAsync += new EventHandler(OnHitTestInvalidatedAsync);
}
public static bool InitWPFArithmeticExceptionWorkround()
{
try
{
// Call fpreset early just to handle case with missed "msvcrt.dll"
// in future Windows versions
_fpreset();
Assembly assembly = typeof(System.Windows.UIElement).Assembly;
Type managerType = assembly.GetType("System.Windows.ContextLayoutManager");
if (managerType != null)
{
FieldInfo field = managerType.GetField("_updateCallback", BindingFlags.Static | BindingFlags.NonPublic);
if (field != null)
{
_oldUpdateLayoutCallback = field.GetValue(null) as DispatcherOperationCallback;
if (_oldUpdateLayoutCallback != null)
{
field.SetValue(null, new DispatcherOperationCallback(UpdateLayoutCallback));
return(true);
}
}
}
}
catch
{
}
return(false);
}
internal void BeginInvokeOnRender(DispatcherOperationCallback callback, object arg)
{
Debug.Assert(callback != null);
// While technically it could be OK for the arg to be null, for now
// I know that arg represents the this reference for the layout
// process and should never be null.
Debug.Assert(arg != null);
if (_invokeOnRenderCallbacks == null)
{
lock (this)
{
if (_invokeOnRenderCallbacks == null)
{
_invokeOnRenderCallbacks = new ArrayList();
}
}
}
lock (_invokeOnRenderCallbacks)
{
_invokeOnRenderCallbacks.Add(new InvokeOnRenderCallback(callback, arg));
}
PostRender();
}
/// <summary>
/// <see cref="System.Windows.Documents.DocumentPaginator.GetPageAsync(int,object)"/>
/// </summary>
internal void GetPageAsync(int pageNumber, object userState)
{
DocumentsTrace.FixedFormat.IDF.Trace(string.Format("IDP.GetPageAsync({0}, {1})", pageNumber, userState));
// Make sure that the call is in the right context.
// Dispatcher.VerifyAccess();
// Page number cannot be negative.
if (pageNumber < 0)
{
throw new ArgumentOutOfRangeException("pageNumber", SR.Get(SRID.IDPNegativePageNumber));
}
if (userState == null)
{
throw new ArgumentNullException("userState");
}
// Add to outstanding AsyncOp list
GetPageAsyncRequest asyncRequest = new GetPageAsyncRequest(new RequestedPage(pageNumber /*childPaginator, childPageNumber*/), userState);
_asyncOps[userState] = asyncRequest;
DispatcherOperationCallback queueTask = new DispatcherOperationCallback(_GetPageAsyncDelegate);
Dispatcher.BeginInvoke(DispatcherPriority.Background, queueTask, asyncRequest);
}
public InvokeOnRenderCallback(
DispatcherOperationCallback callback,
object arg)
{
_callback = callback;
_arg = arg;
}
/// <summary>
/// Constructor
/// </summary>
internal MediaEventsHelper(MediaPlayer mediaPlayer)
{
_mediaOpened = new DispatcherOperationCallback(OnMediaOpened);
this.DispatcherMediaOpened += _mediaOpened;
_mediaFailed = new DispatcherOperationCallback(OnMediaFailed);
this.DispatcherMediaFailed += _mediaFailed;
_mediaPrerolled = new DispatcherOperationCallback(OnMediaPrerolled);
this.DispatcherMediaPrerolled += _mediaPrerolled;
_mediaEnded = new DispatcherOperationCallback(OnMediaEnded);
this.DispatcherMediaEnded += _mediaEnded;
_bufferingStarted = new DispatcherOperationCallback(OnBufferingStarted);
this.DispatcherBufferingStarted += _bufferingStarted;
_bufferingEnded = new DispatcherOperationCallback(OnBufferingEnded);
this.DispatcherBufferingEnded += _bufferingEnded;
_scriptCommand = new DispatcherOperationCallback(OnScriptCommand);
this.DispatcherScriptCommand += _scriptCommand;
_newFrame = new DispatcherOperationCallback(OnNewFrame);
this.DispatcherMediaNewFrame += _newFrame;
SetSender(mediaPlayer);
}
/// <summary>現在メッセージ待ち行列の中にある全UIメッセージを処理する</summary>
private void DoEvents()
{
// 新しくネスト化されたメッセージ ポンプを作成
DispatcherFrame frame = new DispatcherFrame();
// DispatcherFrame (= 実行ループ) を終了させるコールバック
DispatcherOperationCallback exitFrameCallback = (f) =>
{
// ネスト化されたメッセージ ループを抜ける
((DispatcherFrame)f).Continue = false;
return(null);
};
// 非同期で実行する
// 優先度を Background にしているので、このコールバックは
// ほかに処理するメッセージがなくなったら実行される
DispatcherOperation exitOperation = Dispatcher.CurrentDispatcher.BeginInvoke(
DispatcherPriority.Background, exitFrameCallback, frame);
// 実行ループを開始する
Dispatcher.PushFrame(frame);
// コールバックが終了していない場合は中断
if (exitOperation.Status != DispatcherOperationStatus.Completed)
{
exitOperation.Abort();
}
}
/// <summary>
///
/// </summary>
public SignalPackage(Dispatcher d, DispatcherOperationCallback callback, DispatcherPriority p, object t)
{
_Dispatcher = d;
_Priority = p;
_Tag = t;
_Callback = callback;
}
/// <summary>
/// This code runs in the worker thread when LoadStreamAsync() finishes.
/// </summary>
/// <param name="asyncResult"></param>
private void LoadStreamCallback(Stream asyncResult)
{
// Now have the UI thread regain control and initialize the SoundPlayer
DispatcherOperationCallback loadStreamCompletedCaller = new DispatcherOperationCallback(OnLoadStreamCompleted);
Dispatcher.BeginInvoke(DispatcherPriority.Normal, loadStreamCompletedCaller, asyncResult);
}
/// <summary>
/// Maps GPIOs to Buttons processable by Microsoft.SPOT.Presentation.
/// </summary>
/// <param name="source"></param>
public GPIOButtonInputProvider(PresentationSource source)
{
// Set the input source.
this.source = source;
// Register the object as an input source with the input manager and
// get back an InputProviderSite object. The InputProviderSite
// object forwards the input report to the input manager. The input
// manager then places the input in the staging area.
site = InputManager.CurrentInputManager.RegisterInputProvider(this);
// Create a delegate that refers to the InputProviderSite object's
// ReportInput method.
callback = new DispatcherOperationCallback(delegate(object report)
{
InputReportArgs args = (InputReportArgs)report;
return site.ReportInput(args.Device, args.Report);
});
Dispatcher = Dispatcher.CurrentDispatcher;
// Create a hardware provider.
HardwareProvider hwProvider = new HardwareProvider();
// Create the pins that are needed for the buttons. Default their
// values for the emulator.
Cpu.Pin pinLeft = Cpu.Pin.GPIO_Pin0;
Cpu.Pin pinRight = Cpu.Pin.GPIO_Pin1;
Cpu.Pin pinUp = Cpu.Pin.GPIO_Pin2;
Cpu.Pin pinSelect = Cpu.Pin.GPIO_Pin3;
Cpu.Pin pinDown = Cpu.Pin.GPIO_Pin4;
// Use the hardware provider to get the pins. If the left pin is
// not set, assume none of the pins are set and set the left pin
// back to the default emulator value.
if ((pinLeft = hwProvider.GetButtonPins(Button.VK_LEFT)) ==
Cpu.Pin.GPIO_NONE)
pinLeft = Cpu.Pin.GPIO_Pin0;
else
{
pinRight = hwProvider.GetButtonPins(Button.VK_RIGHT);
pinUp = hwProvider.GetButtonPins(Button.VK_UP);
pinSelect = hwProvider.GetButtonPins(Button.VK_SELECT);
pinDown = hwProvider.GetButtonPins(Button.VK_DOWN);
}
// Allocate button pads and assign the (emulated) hardware pins as
// input from specific buttons.
ButtonPad[] buttons = new ButtonPad[]
{
// Associate the buttons with the pins as discovered or set
// above.
new ButtonPad(this, Button.VK_LEFT , pinLeft ),
new ButtonPad(this, Button.VK_RIGHT , pinRight ),
new ButtonPad(this, Button.VK_UP , pinUp ),
new ButtonPad(this, Button.VK_SELECT, pinSelect),
new ButtonPad(this, Button.VK_DOWN , pinDown ),
};
this.buttons = buttons;
}
internal LoadedOrUnloadedOperation(
DispatcherOperationCallback callback,
DependencyObject target)
{
Debug.Assert(callback != null && target != null);
_callback = callback;
_target = target;
}
private void DoEvents()
{
DispatcherFrame frame = new DispatcherFrame();
var callback = new DispatcherOperationCallback(ExitFrames);
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, callback, frame);
Dispatcher.PushFrame(frame);
}
/// <summary>
/// The MediaContext lives in the Dispatcher and is the MediaSystem's class that keeps
/// per Dispatcher state.
/// </summary>
internal MediaContext()
{
_renderMessage = new DispatcherOperationCallback(RenderMessageHandler);
// we have one render target, the window manager
_target = WindowManager.Instance;
_screen = new Bitmap(SystemMetrics.ScreenWidth, SystemMetrics.ScreenHeight);
}
internal LoadedOrUnloadedOperation(
DispatcherOperationCallback callback,
DependencyObject target)
{
Debug.Assert(callback != null && target != null);
_callback = callback;
_target = target;
}
PostSerializationTask(
DispatcherOperationCallback taskItem
)
{
_dispatcher.BeginInvoke(DispatcherPriority.Background,
taskItem,
null);
}
/// <summary>
/// The MediaContext lives in the Dispatcher and is the MediaSystem's class that keeps
/// per Dispatcher state.
/// </summary>
internal MediaContext()
{
_renderMessage = new DispatcherOperationCallback(RenderMessageHandler);
// we have one render target, the window manager
_target = WindowManager.Instance;
_screen = new Bitmap(SystemMetrics.ScreenWidth, SystemMetrics.ScreenHeight);
}
public FrameTimer(DispatcherFrame frame, int milliseconds, DispatcherOperationCallback callback, DispatcherPriority priority)
: base(priority)
{
this.frame = frame;
this.callback = callback;
Interval = TimeSpan.FromMilliseconds(milliseconds);
Tick += new EventHandler(OnTick);
}
///<summary>
/// This is a private wrapper for encapsulating the CallbackResult class creation
///</summary>
public static CallbackResult EnqueueCallback(
DispatcherPriority priority,
DispatcherOperationCallback method,
object args)
{
DispatcherOperation operation = BeginInvoke(Dispatcher.CurrentDispatcher, priority, method, args);
return(new CallbackResult(operation));
}
internal DispatcherOperation(
Dispatcher dispatcher,
DispatcherOperationCallback method,
object args)
{
_dispatcher = dispatcher;
_method = method;
_args = args;
}
object RunOnUIThread(DispatcherOperationCallback dispatcherMethod, bool async)
{
if (Application.Current != null)
{
if (Application.Current.Dispatcher.Thread == Thread.CurrentThread)
{
// This avoids dispatching to the UI thread if we are already in the UI thread.
// Without this runing a command like 1/0 was throwing due to nested dispatches.
return dispatcherMethod.Invoke(null);
}
}
Exception e = null;
object returnValue = null;
SynchronizationContext sync = new DispatcherSynchronizationContext(Dispatcher);
if (sync == null) { return null; }
if (async)
{
sync.Post(
new SendOrPostCallback(delegate(object obj)
{
try
{
returnValue = dispatcherMethod.Invoke(obj);
}
catch (Exception uiException)
{
e = uiException;
}
}),
null);
}
else
{
sync.Send(
new SendOrPostCallback(delegate(object obj)
{
try
{
returnValue = dispatcherMethod.Invoke(obj);
}
catch (Exception uiException)
{
e = uiException;
}
}),
null);
}
if (e != null)
{
throw new System.Reflection.TargetInvocationException(e.Message, e);
}
return returnValue;
}
internal DispatcherOperation(
Dispatcher dispatcher,
DispatcherOperationCallback method,
object args)
{
_dispatcher = dispatcher;
_method = method;
_args = args;
}
/// <summary>
/// Activates the first instance of the application.
/// </summary>
/// <param name="args"> List of arguments to pass to the first instance. </param>
public void InvokeFirstInstance(IList <string> args)
{
if (Application.Current != null)
{
// Do an asynchronous call to ActivateFirstInstance function
var operationCallback = new DispatcherOperationCallback(ActivateFirstInstanceCallback);
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
operationCallback,
args);
}
}
/// <summary>
/// UIを更新します
/// </summary>
public static void UpdateUI()
{
DispatcherFrame frame = new DispatcherFrame();
var callback = new DispatcherOperationCallback(obj =>
{
((DispatcherFrame)obj).Continue = false;
return null;
});
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, callback, frame);
Dispatcher.PushFrame(frame);
}
/// <summary>
///
/// </summary>
/// <param name="task"></param>
/// <param name="arg"></param>
/// <param name="priority"></param>
public void BeginInvoke(DispatcherOperationCallback task, Object arg, DispatcherPriority priority)
{
try
{
Dispatcher.CurrentDispatcher.BeginInvoke(priority, new DispatcherOperationCallback(task), arg);
}
catch (Exception E)
{
failTest("The following exception was thrown queuing task \"" + task.ToString() + "\": " + E.ToString() + "\n");
}
}
internal MediaContext()
{
this._renderMessage = new DispatcherOperationCallback(this.RenderMessageHandler);
DisplayController displayController = WindowManager.Instance.DisplayController;
this._target = WindowManager.Instance;
this._screen = new GHIElectronics.TinyCLR.UI.Bitmap(Graphics.FromHdc(displayController.Hdc));
this._screenW = (int)displayController.ActiveSettings.Width;
this._screenH = (int)displayController.ActiveSettings.Height;
this._dirtyX0 = (int)displayController.ActiveSettings.Width;
this._dirtyY0 = (int)displayController.ActiveSettings.Height;
}
/// <summary>
/// 增加了： 错误处理。
/// </summary>
/// <param name="newData"></param>
/// <param name="error"></param>
/// <param name="completionWork"></param>
/// <param name="callbackArguments"></param>
protected override void OnQueryFinished(object newData, Exception error, DispatcherOperationCallback completionWork, object callbackArguments)
{
base.OnQueryFinished(newData, error, completionWork, callbackArguments);
if (error != null)
{
Logger.LogError("DataProvider 获取数据报错", error);
Action <Exception> action = e => e.Alert();
Application.Current.Dispatcher.Invoke(action, error);
}
}
private void DoEvents()
{
DispatcherFrame frame = new DispatcherFrame();
var callback = new DispatcherOperationCallback(obj =>
{
((DispatcherFrame)obj).Continue = false;
return(null);
});
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, callback, frame);
Dispatcher.PushFrame(frame);
}
/// <summary>
/// 現在メッセージ待ち行列の中にあるUIメッセージを処理する
/// </summary>
public static void UpdateUI()
{
var frame = new DispatcherFrame();
var callback = new DispatcherOperationCallback(obj =>
{
((DispatcherFrame)obj).Continue = false;
return(null);
});
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, callback, frame);
Dispatcher.PushFrame(frame);
}
/// <summary>
/// Will flush dispatcher queue.
/// </summary>
/// <param name="priority"></param>
/// <param name="d"></param>
/// <param name="args"></param>
/// <param name="delay"></param>
public static void DelayedBeginInvoke(DispatcherPriority priority, DispatcherOperationCallback d, object args, TimeSpan delay)
{
DispatcherTimer timer = new DispatcherTimer(priority);
timer.Interval = delay;
timer.Tick += delegate
{
timer.Stop();
d(args);
};
timer.Tag = args;
timer.Start();
}
/// <summary/>
protected void VerifyWithinContext()
{
DispatcherOperationCallback callback =
delegate(object foo)
{
// WaitForCompleteRender seems to be bogus! The real saviour is ApplicationIdle...
Photographer.WaitForCompleteRender();
Verify();
return(null);
};
Invoke(DispatcherPriority.ApplicationIdle, callback, null);
}
/// <summary>
/// 現在メッセージ待ち行列の中にある全てのUIメッセージを処理します。
/// </summary>
public static void DoEvents()
{
DispatcherFrame frame = new DispatcherFrame();
var callback = new DispatcherOperationCallback(obj =>
{
((DispatcherFrame)obj).Continue = false;
return(null);
});
GetActiveWindow().Dispatcher.BeginInvoke(DispatcherPriority.Background, callback, frame);
Dispatcher.PushFrame(frame);
//GetActiveWindow().Dispatcher.BeginInvoke(new Action(() => { }), DispatcherPriority.Background);
}
public MultitouchInputProvider(PresentationSource source)
{
this.source = source;
contactsQueue = new Queue<RawMultitouchReport>();
inputManagerProcessInput = InputManagerProcessInput;
contactHandler = new ContactHandler(((HwndSource)source).Handle);
contactHandler.ContactMoved += HandleContact;
contactHandler.ContactRemoved += HandleContact;
contactHandler.NewContact += HandleContact;
inputManager = InputManager.Current;
multitouchLogic = MultitouchLogic.Current;
}
private InputManager()
{
_stagingArea = new Stack();
InputDeviceEvents = new DeviceEvents[(int)InputDeviceType.Last];
for (int i = 0; i < (int)InputDeviceType.Last; i++)
{
InputDeviceEvents[i] = new DeviceEvents();
}
_continueProcessingStagingAreaCallback = new DispatcherOperationCallback(ProcessStagingArea);
_buttonDevice = new ButtonDevice(this);
_touchDevice = new TouchDevice(this);
_genericDevice = new GenericDevice(this);
}
public GPIOButtonInputProvider(PresentationSource source, ButtonDefinition[] ButtonDefinitions)
{
this.RepeatDelay = 500;
this.RepeatPeriod = 150;
this.PresentationSource = source;
this.InputSite = InputManager.CurrentInputManager.RegisterInputProvider(this);
this.ReportInputFunc = new DispatcherOperationCallback( ReportInputCallback );
this.Dispatcher = Microsoft.SPOT.Dispatcher.CurrentDispatcher;
this.Buttons = new GpioButtonHandler[ButtonDefinitions.Length];
for( int i = 0; i < ButtonDefinitions.Length; i++ )
{
ButtonDefinition btnDef = ButtonDefinitions[i];
this.Buttons[i] = new GpioButtonHandler( this, btnDef);
}
}
/// <summary>
/// Add the unloaded callback to the MediaContext queue
/// </summary>
internal static void AddUnloadedCallback(DependencyObject d, DependencyObject logicalParent)
{
Debug.Assert(d is FrameworkElement || d is FrameworkContentElement);
DispatcherOperationCallback unloadedCallback = new DispatcherOperationCallback(BroadcastEventHelper.BroadcastUnloadedEvent);
// Add the pending unloaded event information to the MediaContext's pending
// LoadedOrUnloadedCallbacks list so these can be called pre render
LoadedOrUnloadedOperation unloadedOp = MediaContext.From(d.Dispatcher).AddLoadedOrUnloadedCallback(unloadedCallback, d);
// Post to the dispatcher queue as a backup to fire the broadcast
// event in case the tree change never triggers a Layout
DispatcherOperation operation = d.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, unloadedCallback, d);
// Set the UnloadedPending property
d.SetValue(FrameworkElement.UnloadedPendingPropertyKey, new object[]{unloadedOp, operation, logicalParent});
}
internal StylusDevice(TabletDevice tabletDevice, string sName, int id, bool fInverted, StylusButtonCollection stylusButtonCollection)
{
_tabletDevice = tabletDevice;
_sName = sName;
_id = id;
_fInverted = fInverted;
// For tablet devices that can go out of range default them to
// being out of range until we see some events from it.
_fInRange = false; // All tablets out of range by default.
_stylusButtonCollection = stylusButtonCollection;
#if MULTICAPTURE
_overIsEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsEnabledChanged);
_overIsVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsVisibleChanged);
_overIsHitTestVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnOverIsHitTestVisibleChanged);
_reevaluateStylusOverDelegate = new DispatcherOperationCallback(ReevaluateStylusOverAsync);
_reevaluateStylusOverOperation = null;
_captureIsEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsEnabledChanged);
_captureIsVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsVisibleChanged);
_captureIsHitTestVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnCaptureIsHitTestVisibleChanged);
_reevaluateCaptureDelegate = new DispatcherOperationCallback(ReevaluateCaptureAsync);
_reevaluateCaptureOperation = null;
#endif
if (_stylusButtonCollection != null)
{
foreach (StylusButton button in _stylusButtonCollection)
{
button.SetOwner(this);
}
}
// Because the stylus device gets a steady stream of input events when it is in range,
// we don't have to be so careful about responding to layout changes as we have to be
// with the mouse.
// InputManager.Current.HitTestInvalidatedAsync += new EventHandler(OnHitTestInvalidatedAsync);
InputManager inputManager = (InputManager)Dispatcher.InputManager;
_stylusLogic = inputManager.StylusLogic;
_stylusLogic.RegisterStylusDeviceCore(this);
}
protected KeyboardDevice(InputManager inputManager)
{
_inputManager = new SecurityCriticalDataClass<InputManager>(inputManager);
_inputManager.Value.PreProcessInput += new PreProcessInputEventHandler(PreProcessInput);
_inputManager.Value.PreNotifyInput += new NotifyInputEventHandler(PreNotifyInput);
_inputManager.Value.PostProcessInput += new ProcessInputEventHandler(PostProcessInput);
_isEnabledChangedEventHandler = new DependencyPropertyChangedEventHandler(OnIsEnabledChanged);
_isVisibleChangedEventHandler = new DependencyPropertyChangedEventHandler(OnIsVisibleChanged);
_focusableChangedEventHandler = new DependencyPropertyChangedEventHandler(OnFocusableChanged);
_reevaluateFocusCallback = new DispatcherOperationCallback(ReevaluateFocusCallback);
_reevaluateFocusOperation = null;
//
_TsfManager = new SecurityCriticalDataClass<TextServicesManager>(new TextServicesManager(inputManager));
_textcompositionManager = new SecurityCriticalData<TextCompositionManager>(new TextCompositionManager(inputManager));
}
public GPIOButtonInputProvider(PresentationSource source)
{
_source = source;
_site = InputManager.CurrentInputManager.RegisterInputProvider(this);
_callback = new DispatcherOperationCallback(delegate(object report)
{
InputReportArgs args = (InputReportArgs)report;
return _site.ReportInput(args.Device, args.Report);
});
Dispatcher = Dispatcher.CurrentDispatcher;
ButtonPad[] buttons = new ButtonPad[]
{
new ButtonPad(this, Button.VK_MENU, Pins.GPIO_PORT_A_3, Port.InterruptMode.InterruptEdgeBoth),
new ButtonPad(this, Button.VK_SELECT, Pins.GPIO_PORT_A_8, Port.InterruptMode.InterruptEdgeBoth),
new ButtonPad(this, Button.VK_LEFT, Pins.GPIO_PORT_A_7, Port.InterruptMode.InterruptEdgeBoth),
new ButtonPad(this, Button.VK_RIGHT, Pins.GPIO_PORT_A_5, Port.InterruptMode.InterruptEdgeBoth),
new ButtonPad(this, Button.VK_UP, Pins.GPIO_PORT_A_4, Port.InterruptMode.InterruptEdgeBoth),
new ButtonPad(this, Button.VK_DOWN, Pins.GPIO_PORT_A_6, Port.InterruptMode.InterruptEdgeBoth),
};
_buttons = buttons;
}
/// <summary>
/// <see cref="System.Windows.Documents.DocumentPaginator.GetPageAsync(int,object)"/>
/// </summary>
internal void GetPageAsync(int pageNumber, object userState)
{
DocumentsTrace.FixedFormat.IDF.Trace(string.Format("IDP.GetPageAsync({0}, {1})", pageNumber, userState));
// Make sure that the call is in the right context.
// Dispatcher.VerifyAccess();
// Page number cannot be negative.
if (pageNumber < 0)
{
throw new ArgumentOutOfRangeException("pageNumber", SR.Get(SRID.IDPNegativePageNumber));
}
if (userState == null)
{
throw new ArgumentNullException("userState");
}
// Add to outstanding AsyncOp list
GetPageAsyncRequest asyncRequest = new GetPageAsyncRequest(new RequestedPage(pageNumber/*childPaginator, childPageNumber*/), userState);
_asyncOps[userState] = asyncRequest;
DispatcherOperationCallback queueTask = new DispatcherOperationCallback(_GetPageAsyncDelegate);
Dispatcher.BeginInvoke(DispatcherPriority.Background, queueTask, asyncRequest);
}
private LayoutManager()
{
// This constructor exists to prevent instantiation of a LayoutManager by any
// means other than through LayoutManager.CurrentLayoutManager.
_updateLayoutBackground = new DispatcherOperationCallback(UpdateLayoutBackground);
_updateCallback = new DispatcherOperationCallback(UpdateLayoutCallback);
}
static WPFTester()
{
_exitFrameCallback = OnExitFrame;
}
/// <summary>
/// Post a queue item at the specified priority
/// </summary>
internal void Post (DispatcherPriority priority)
{
DispatcherOperationCallback callback = new DispatcherOperationCallback (Dispatch);
Dispatcher.CurrentDispatcher.BeginInvoke(priority, callback, this);
}
/// <summary>
/// <see cref="System.Windows.Documents.DocumentPaginator.GetPageAsync(int,object)"/>
/// </summary>
/// <exception cref="ArgumentOutOfRangeException">pageNumber is less than zero.</exception>
/// <exception cref="ArgumentNullException">userState is NULL.</exception>
internal void GetPageAsync(int pageNumber, object userState)
{
DocumentsTrace.FixedFormat.IDF.Trace(string.Format("IDP.GetPageAsync({0}, {1})", pageNumber, userState));
// Make sure that the call is in the right context.
// Dispatcher.VerifyAccess();
// Page number cannot be negative.
if (pageNumber < 0)
{
throw new ArgumentOutOfRangeException("pageNumber", SR.Get(SRID.IDPNegativePageNumber));
}
if (userState == null)
{
throw new ArgumentNullException("userState");
}
if (pageNumber < Pages.Count)
{
PageContent pc = Pages[pageNumber];
// Add to outstanding AsyncOp list
GetPageAsyncRequest asyncRequest = new GetPageAsyncRequest(pc, pageNumber, userState);
_asyncOps[userState] = asyncRequest;
DispatcherOperationCallback queueTask = new DispatcherOperationCallback(GetPageAsyncDelegate);
Dispatcher.BeginInvoke(DispatcherPriority.Background, queueTask, asyncRequest);
}
else
{
_NotifyGetPageAsyncCompleted(DocumentPage.Missing, pageNumber, null, false, userState);
}
}
/// <summary>
/// This code runs in the worker thread when LoadStreamAsync() finishes.
/// </summary>
/// <param name="asyncResult"></param>
private void LoadStreamCallback(IAsyncResult asyncResult)
{
// Now have the UI thread regain control and initialize the SoundPlayer
DispatcherOperationCallback loadStreamCompletedCaller = new DispatcherOperationCallback(OnLoadStreamCompleted);
Dispatcher.BeginInvoke(DispatcherPriority.Normal, loadStreamCompletedCaller, asyncResult);
}
protected virtual void OnQueryFinished (object newData, Exception error, DispatcherOperationCallback completionWork, object callbackArguments)
{
throw new NotImplementedException ();
}
private void ShowCommandWindow(PSCmdlet cmdlet, object commandViewModelObj, double windowWidth, double windowHeight, bool passThrough)
{
this.methodThatReturnsDialog = new DispatcherOperationCallback(delegate(object ignored)
{
Diagnostics.Assert(commandViewModelObj != null, "verified by caller");
this.commandViewModel = (CommandViewModel)commandViewModelObj;
ShowCommandWindow showCommandWindow = new ShowCommandWindow();
this.commandViewModel.HelpNeeded += new EventHandler<HelpNeededEventArgs>(this.CommandNeedsHelp);
showCommandWindow.DataContext = this.commandViewModel;
this.SetupButtonEvents(showCommandWindow.Run, showCommandWindow.Copy, showCommandWindow.Cancel, passThrough);
this.SetupWindow(showCommandWindow);
CommonHelper.SetStartingPositionAndSize(
showCommandWindow,
ShowCommandSettings.Default.ShowOneCommandTop,
ShowCommandSettings.Default.ShowOneCommandLeft,
windowWidth != 0.0 && windowWidth > showCommandWindow.MinWidth ? windowWidth : ShowCommandSettings.Default.ShowOneCommandWidth,
windowHeight != 0.0 && windowHeight > showCommandWindow.MinHeight ? windowHeight : ShowCommandSettings.Default.ShowOneCommandHeight,
showCommandWindow.Width,
showCommandWindow.Height,
ShowCommandSettings.Default.ShowOneCommandWindowMaximized);
return showCommandWindow;
});
this.CallShowDialog(cmdlet);
}
private void ShowAllModulesWindow(PSCmdlet cmdlet, Dictionary<string, ShowCommandModuleInfo> importedModules, IEnumerable<ShowCommandCommandInfo> commands, bool noCommonParameter, double windowWidth, double windowHeight, bool passThrough)
{
this.methodThatReturnsDialog = new DispatcherOperationCallback(delegate(object ignored)
{
Diagnostics.Assert(commands.GetEnumerator().MoveNext(), "there is always at least one command");
ShowAllModulesWindow allModulesWindow = new ShowAllModulesWindow();
this.allModulesViewModel = new AllModulesViewModel(importedModules, commands, noCommonParameter);
this.SetupButtonEvents(allModulesWindow.Run, allModulesWindow.Copy, allModulesWindow.Cancel, passThrough);
this.SetupWindow(allModulesWindow);
this.SetupViewModel();
CommonHelper.SetStartingPositionAndSize(
allModulesWindow,
ShowCommandSettings.Default.ShowCommandsTop,
ShowCommandSettings.Default.ShowCommandsLeft,
windowWidth != 0.0 && windowWidth > allModulesWindow.MinWidth ? windowWidth : ShowCommandSettings.Default.ShowCommandsWidth,
windowHeight != 0.0 && windowHeight > allModulesWindow.MinHeight ? windowHeight : ShowCommandSettings.Default.ShowCommandsHeight,
allModulesWindow.Width,
allModulesWindow.Height,
ShowCommandSettings.Default.ShowCommandsWindowMaximized);
return allModulesWindow;
});
this.CallShowDialog(cmdlet);
}
object StartFontCacheServiceAsync(object unused)
{
if (CheckAccess()) // initial call by Dispatcher?
{ // Do a callback to a thread-pool thread
DispatcherOperationCallback cb = new DispatcherOperationCallback(StartFontCacheServiceAsync);
cb.BeginInvoke(null, null, null);
}
else // on a thread-pool thread
{
// Note that an exception allowed to escape from here will be caught by the thread-pool manager.
// But that's okay in this scenario.
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WpfHost_StartingFontCacheServiceStart);
// Getting the instance will instantiate the DWriteFactory, which will cause DWrite to start the
// font cache.
Text.TextInterface.Factory factory = MS.Internal.FontCache.DWriteFactory.Instance;
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WpfHost_StartingFontCacheServiceEnd);
}
return null;
}
//
// Invoke a delegate in a try/catch.
//
internal object WrappedInvoke(DispatcherOperationCallback callback, object arg)
{
object result = null;
try
{
result = callback(arg);
}
catch (Exception e)
{
#if TINYCLR_DEBUG_DISPATCHER
// allow the debugger to break on the original exception.
if (System.Diagnostics.Debugger.IsAttached)
{
}
else
#endif
if (_finalExceptionHandler == null || !_finalExceptionHandler(this, e))
{
throw;
}
}
return result;
}
private InputManager()
{
// STA Requirement
//
// Avalon doesn't necessarily require STA, but many components do. Examples
// include Cicero, OLE, COM, etc. So we throw an exception here if the
// thread is not STA.
if(Thread.CurrentThread.GetApartmentState() != ApartmentState.STA)
{
throw new InvalidOperationException(SR.Get(SRID.RequiresSTA));
}
_stagingArea = new Stack();
_primaryKeyboardDevice = new Win32KeyboardDevice(this);
_primaryMouseDevice = new Win32MouseDevice(this);
_primaryCommandDevice = new CommandDevice(this);
_stylusLogic = new StylusLogic(this);
_continueProcessingStagingAreaCallback = new DispatcherOperationCallback(ContinueProcessingStagingArea);
_hitTestInvalidatedAsyncOperation = null;
_hitTestInvalidatedAsyncCallback = new DispatcherOperationCallback(HitTestInvalidatedAsyncCallback);
_layoutUpdatedCallback = new EventHandler(OnLayoutUpdated); //need to cache it, LM only keeps weak ref
ContextLayoutManager.From(Dispatcher).LayoutEvents.Add(_layoutUpdatedCallback);
// Timer used to synchronize the input devices periodically
_inputTimer = new DispatcherTimer(DispatcherPriority.Background);
_inputTimer.Tick += new EventHandler(ValidateInputDevices);
_inputTimer.Interval = TimeSpan.FromMilliseconds(125);
}
