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SendNotification operation and forwards VL.CEF from sub packages
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| using Stride.Core.Mathematics; | ||
| using System; | ||
| using System.Diagnostics; | ||
| using VL.Lib.IO; | ||
| using VL.Lib.IO.Notifications; | ||
| using Xilium.CefGlue; | ||
|
|
||
| namespace VL.CEF | ||
| { | ||
| partial class WebBrowser | ||
| { | ||
| CefEventFlags mouseModifiers; | ||
|
|
||
| public bool SendNotification(INotification notification) | ||
| { | ||
| if (notification is MouseNotification mouseNotification) | ||
| { | ||
| HandleMouseNotification(mouseNotification); | ||
| return true; | ||
| } | ||
| else if (notification is KeyNotification keyNotification) | ||
| { | ||
| HandleKeyNotification(keyNotification); | ||
| return true; | ||
| } | ||
| else if (notification is TouchNotification touchNotification) | ||
| { | ||
| HandleTouchNotification(touchNotification); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| private void HandleTouchNotification(TouchNotification n) | ||
| { | ||
| var position = n.Position.DeviceToLogical(ScaleFactor); | ||
| var touchEvent = new CefTouchEvent() | ||
| { | ||
| Id = n.Id, | ||
| Modifiers = GetModifiers(n), | ||
| PointerType = CefPointerType.Touch, | ||
| Pressure = 1f, | ||
| RadiusX = n.ContactArea.X, | ||
| RadiusY = n.ContactArea.Y, | ||
| RotationAngle = 0, | ||
| Type = GetTouchType(n.Kind), | ||
| X = position.X, | ||
| Y = position.Y | ||
| }; | ||
| BrowserHost.SendTouchEvent(touchEvent); | ||
|
|
||
| CefTouchEventType GetTouchType(TouchNotificationKind kind) | ||
| { | ||
| switch (kind) | ||
| { | ||
| case TouchNotificationKind.TouchDown: | ||
| return CefTouchEventType.Pressed; | ||
| case TouchNotificationKind.TouchUp: | ||
| return CefTouchEventType.Released; | ||
| case TouchNotificationKind.TouchMove: | ||
| return CefTouchEventType.Moved; | ||
| default: | ||
| return CefTouchEventType.Cancelled; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private void HandleKeyNotification(KeyNotification n) | ||
| { | ||
| var keyEvent = new CefKeyEvent() | ||
| { | ||
| Modifiers = GetModifiers(n) | ||
| }; | ||
| switch (n.Kind) | ||
| { | ||
| case KeyNotificationKind.KeyDown: | ||
| var keyDown = n as KeyDownNotification; | ||
| keyEvent.EventType = CefKeyEventType.KeyDown; | ||
| keyEvent.WindowsKeyCode = (int)keyDown.KeyCode; | ||
| keyEvent.NativeKeyCode = (int)keyDown.KeyCode; | ||
| break; | ||
| case KeyNotificationKind.KeyPress: | ||
| var keyPress = n as KeyPressNotification; | ||
| keyEvent.EventType = CefKeyEventType.Char; | ||
| keyEvent.Character = keyPress.KeyChar; | ||
| keyEvent.UnmodifiedCharacter = keyPress.KeyChar; | ||
| keyEvent.WindowsKeyCode = (int)keyPress.KeyChar; | ||
| keyEvent.NativeKeyCode = (int)keyPress.KeyChar; | ||
| break; | ||
| case KeyNotificationKind.KeyUp: | ||
| var keyUp = n as KeyUpNotification; | ||
| keyEvent.EventType = CefKeyEventType.KeyUp; | ||
| keyEvent.WindowsKeyCode = (int)keyUp.KeyCode; | ||
| keyEvent.NativeKeyCode = (int)keyUp.KeyCode; | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| BrowserHost.SendKeyEvent(keyEvent); | ||
| } | ||
|
|
||
| int clickCount = 1; | ||
| MouseButtons? lastButton; | ||
| Vector2 lastPosition; | ||
| Stopwatch stopwatch = Stopwatch.StartNew(); | ||
|
|
||
| private void HandleMouseNotification(MouseNotification n) | ||
| { | ||
| if (n is MouseButtonNotification buttonNotification) | ||
| { | ||
| var position = n.Position; | ||
| var delta = lastPosition - position; | ||
| var deltaTime = stopwatch.ElapsedMilliseconds; | ||
| stopwatch.Restart(); | ||
|
|
||
| if (n is MouseDownNotification) | ||
| { | ||
| if (buttonNotification.Buttons == lastButton && | ||
| Math.Abs(delta.X) < Mouse.DoubleClickSize.Width / 2 && | ||
| Math.Abs(delta.Y) < Mouse.DoubleClickSize.Height / 2 && | ||
| deltaTime < Mouse.DoubleClickTime) | ||
| { | ||
| clickCount++; | ||
| } | ||
| else | ||
| { | ||
| clickCount = 1; | ||
| } | ||
| } | ||
| else if (buttonNotification.Buttons != lastButton) | ||
| { | ||
| clickCount = 1; | ||
| } | ||
|
|
||
| lastButton = buttonNotification.Buttons; | ||
| lastPosition = position; | ||
|
|
||
| if (n is MouseDownNotification mouseDown) | ||
| mouseModifiers |= ToCefEventFlags(mouseDown.Buttons); | ||
| else if (n is MouseUpNotification mouseUp) | ||
| mouseModifiers &= ~ToCefEventFlags(mouseUp.Buttons); | ||
| } | ||
|
|
||
| { | ||
| var position = n.Position.DeviceToLogical(ScaleFactor); | ||
| var mouseEvent = new CefMouseEvent((int)position.X, (int)position.Y, GetModifiers(n)); | ||
| var browserHost = BrowserHost; | ||
| switch (n.Kind) | ||
| { | ||
| case MouseNotificationKind.MouseDown: | ||
| var mouseDown = n as MouseDownNotification; | ||
| browserHost.SendMouseClickEvent(mouseEvent, GetMouseButtonType(mouseDown.Buttons), mouseUp: false, clickCount: clickCount); | ||
| break; | ||
| case MouseNotificationKind.MouseUp: | ||
| var mouseUp = n as MouseUpNotification; | ||
| browserHost.SendMouseClickEvent(mouseEvent, GetMouseButtonType(mouseUp.Buttons), mouseUp: true, clickCount: clickCount); | ||
| break; | ||
| case MouseNotificationKind.MouseMove: | ||
| browserHost.SendMouseMoveEvent(mouseEvent, mouseLeave: false); | ||
| break; | ||
| case MouseNotificationKind.MouseWheel: | ||
| var mouseWheel = n as MouseWheelNotification; | ||
| browserHost.SendMouseWheelEvent(mouseEvent, 0, mouseWheel.WheelDelta); | ||
| break; | ||
| case MouseNotificationKind.MouseHorizontalWheel: | ||
| var mouseHWheel = n as MouseHorizontalWheelNotification; | ||
| browserHost.SendMouseWheelEvent(mouseEvent, mouseHWheel.WheelDelta, 0); | ||
| break; | ||
| case MouseNotificationKind.DeviceLost: | ||
| browserHost.SendMouseMoveEvent(mouseEvent, mouseLeave: true); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| CefMouseButtonType GetMouseButtonType(MouseButtons buttons) | ||
| { | ||
| if ((buttons & MouseButtons.Left) != 0) | ||
| return CefMouseButtonType.Left; | ||
| if ((buttons & MouseButtons.Middle) != 0) | ||
| return CefMouseButtonType.Middle; | ||
| if ((buttons & MouseButtons.Right) != 0) | ||
| return CefMouseButtonType.Right; | ||
| return default; | ||
| } | ||
|
|
||
| static CefEventFlags ToCefEventFlags(MouseButtons buttons) | ||
| { | ||
| switch (buttons) | ||
| { | ||
| case MouseButtons.Left: | ||
| return CefEventFlags.LeftMouseButton; | ||
| case MouseButtons.Middle: | ||
| return CefEventFlags.MiddleMouseButton; | ||
| case MouseButtons.Right: | ||
| return CefEventFlags.RightMouseButton; | ||
| } | ||
| return default; | ||
| } | ||
| } | ||
|
|
||
| CefEventFlags GetModifiers(NotificationBase n) | ||
| { | ||
| var result = CefEventFlags.None; | ||
| if (n.AltKey) | ||
| result |= CefEventFlags.AltDown | CefEventFlags.IsLeft; | ||
| if (n.ShiftKey) | ||
| result |= CefEventFlags.ShiftDown | CefEventFlags.IsLeft; | ||
| if (n.CtrlKey) | ||
| result |= CefEventFlags.ControlDown | CefEventFlags.IsLeft; | ||
| return result | mouseModifiers; | ||
| } | ||
| } | ||
| } |