/// <summary>The request has timed out.</summary>
public void TimedOut()
{
statusCode = 408;
Dom.Event e = new Dom.Event();
e.SetTrusted();
e.EventType = "timeout";
dispatchEvent(e);
// RS4:
readyState = 4;
}
/// <summary>Requests this element (e.g. a video) to go fullscreen.</summary>
public void requestFullscreen()
{
if (htmlDocument.fullscreenElement == this)
{
// Already fullscreen:
return;
}
// Trigger fullscreen event:
Dom.Event e = new Dom.Event("fullscreenchange");
e.SetTrusted(false);
if (!dispatchEvent(e))
{
// Cancelled it.
return;
}
if (htmlDocument.fullscreenElement != null)
{
// Cancel it:
htmlDocument.exitFullscreen();
}
// Apply element:
htmlDocument.fullscreenElement = this;
// Cache the current parent:
CachedFullscreenParent = parentNode;
if (parentNode != null)
{
// Can't actually do anything with it anyway otherwise - it's already filling the screen!
// Remove it from the DOM:
parentNode.removeChild(this);
// Add it elsewhere:
htmlDocument.html.appendChild(this);
// Cache ele style:
CachedFullscreenStyle = style.cssText;
// Set basic style:
style.cssText = "width:100%;height:100%;left:0px;top:0px;right:0px;bottom:0px;position:fixed;";
}
// Set (note that this triggers a CSS event):
setAttribute("fullscreen", "1");
// Update local style:
Style.Computed.RefreshLocal();
}
internal override bool ResourceStatus(EventTarget package, int status)
{
if (base.ResourceStatus(package, status))
{
// Run the onload event if we're in an iframe:
if (window.iframe != null)
{
// Dispatch to the element too (don't bubble):
Dom.Event e = new Dom.Event("load");
e.SetTrusted(false);
window.iframe.dispatchEvent(e);
}
return(true);
}
return(false);
}
/// <summary>A callback used when the graphic has been loaded and is ready for display.</summary>
public void ImageReady(ImagePackage package)
{
if (Image == null || !Image.Loaded)
{
return;
}
// Dispatch load (don't bubble, default):
Dom.Event e = new Dom.Event("load");
e.SetTrusted(false);
RenderData.Node.dispatchEvent(e);
RequestLayout();
if (Image != null && Filtering != FilterMode.Point)
{
Image.Contents.FilterMode = Filtering;
}
}
/// <summary>Sets the option at the given index as the selected one.</summary>
/// <param name="index">The index of the option to select.</param>
/// <param name="element">The element at the given index.</param>
/// <param name="runOnChange">True if the onchange event should run.</param>
private void SetSelected(int index, HtmlOptionElement element, bool runOnChange)
{
if (element == SelectedNode_)
{
return;
}
Dom.Event e = new Dom.Event("change");
e.SetTrusted(false);
// Cache previous:
int prevIndex = SelectedIndex_;
HtmlOptionElement prevNode = SelectedNode_;
// Update current (so onchange gets the correct value):
SelectedNode_ = element;
SelectedIndex_ = index;
if (runOnChange)
{
if (!dispatchEvent(e))
{
// Restore to previous:
SelectedIndex_ = prevIndex;
SelectedNode_ = prevNode;
return;
}
}
// Update placeholder:
if (SelectedNode_ == null)
{
// Clear the option text:
Placeholder.innerHTML = "";
index = -1;
}
else
{
Placeholder.innerHTML = SelectedNode_.innerHTML;
}
}
/// <summary>Call this to begin a marquee.</summary>
public void Start()
{
if (Active)
{
return;
}
Active = true;
// Doesn't bubble:
Dom.Event e = new Dom.Event("start");
e.SetTrusted(false);
if (dispatchEvent(e))
{
// Start our timer:
Timer = new UITimer(false, ScrollDelay, OnTick);
Timer.Document = document_;
}
}
/// <summary>Call this to stop a scrolling marquee.</summary>
public void Stop()
{
if (!Active)
{
return;
}
// Doesn't bubble:
Dom.Event e = new Dom.Event("stop");
e.SetTrusted(false);
if (dispatchEvent(e))
{
Active = false;
// Stop and clear the timer:
Timer.Stop();
Timer = null;
}
}
/// <summary>Called when the marquee wraps.</summary>
private void Wrapped()
{
if (Loop == -1)
{
return;
}
Loop--;
if (Loop == 0)
{
// Stop the marquee:
Stop();
// Fire the finish event:
// Doesn't bubble:
Dom.Event e = new Dom.Event("finish");
e.SetTrusted(false);
dispatchEvent(e);
}
}
/// <summary>Sets how many pixels of space this renderer has. The actual world space size is dictated by this and
/// <see cref="PowerUI.WorldUI.SetResolution"/>. The amount of pixels and pixels per world unit (resolution).</summary>
/// <param name="widthPX">The width in pixels.</param>
/// <param name="heightPX">The height in pixels.</param>
public virtual bool SetDimensions(int widthPX, int heightPX)
{
if (widthPX == pixelWidth && heightPX == pixelHeight)
{
return(false);
}
if (widthPX != pixelWidth)
{
pixelWidth = widthPX;
document.Viewport.Width = widthPX;
}
if (heightPX != pixelHeight)
{
pixelHeight = heightPX;
PixelHeightF = (float)pixelHeight;
document.Viewport.Height = heightPX;
}
// Update ratio:
Ratio = (float)pixelWidth / PixelHeightF;
// Reset the origin position:
SetOrigin(OriginLocation.x, OriginLocation.y);
// Fire the resize event:
if (document.body != null)
{
Dom.Event e = new Dom.Event("resize");
e.SetTrusted();
document.dispatchEvent(e);
}
return(true);
}
/// <summary> Checks if the screen size changed and repaints if it did.
/// Called by <see cref="UI.Update"/>.</summary>
public static void Update()
{
if (UI.GUICamera == null)
{
// PowerUI is offline.
return;
}
bool changedX = false;
bool changedY = false;
if (UnityEngine.Screen.width != ScreenX)
{
ScreenX = UnityEngine.Screen.width;
ScreenXFloat = (float)ScreenX;
changedX = true;
}
if (UnityEngine.Screen.height != ScreenY)
{
ScreenY = UnityEngine.Screen.height;
ScreenYFloat = (float)ScreenY;
changedY = true;
}
HtmlDocument document = UI.document;
// Device orientation changed?
bool landscape = IsLandscape();
Css.MediaType media;
if (PreviousOrientation == DeviceOrientation.Unknown)
{
// First time. Straight set it:
PreviousOrientation = landscape?DeviceOrientation.LandscapeLeft : DeviceOrientation.Portrait;
}
else
{
// Changed?
if (landscape && PreviousOrientation != DeviceOrientation.LandscapeLeft)
{
// Orientation changed! Update previous:
PreviousOrientation = landscape?DeviceOrientation.LandscapeLeft : DeviceOrientation.Portrait;
// Inform main UI media rules:
media = document.MediaIfExists;
if (media != null)
{
// Nudge it!
media.Landscape = landscape;
}
// Fire the rotation event now (on the window):
// We're using absolute here because 'deviceorientation' is the actual angle of the device.
DeviceOrientationEvent e = new DeviceOrientationEvent("deviceorientationabsolute");
e.absolute = true;
e.SetTrusted();
document.window.dispatchEvent(e);
}
}
if (!changedX && !changedY)
{
return;
}
// Nudge the matrices:
UI.GUICamera.ResetWorldToCameraMatrix();
UI.GUICamera.ResetProjectionMatrix();
UI.GUICamera.ResetAspect();
// Firstly, find the bottom left and top right corners at UI.CameraDistance z units away (zero z-index):
Vector3 bottomLeft = UI.GUICamera.ScreenToWorldPoint(new Vector3(0f, 0f, UI.CameraDistance));
Vector3 topRight = UI.GUICamera.ScreenToWorldPoint(new Vector3(ScreenX, ScreenY, UI.CameraDistance));
// With those, we can now find the size of the screen in world units:
WorldSize.x = topRight.x - bottomLeft.x;
WorldSize.y = topRight.y - bottomLeft.y;
// Finally, calculate WorldPerPixel at zero depth:
// Mapping PX to world units:
WorldPerPixel.x = WorldSize.x / (float)ScreenX;
WorldPerPixel.y = WorldSize.y / (float)ScreenY;
// Set where the origin is. All rendering occurs relative to this point.
// It's offset by 0.2 pixels to target a little closer to the middle of each pixel. This helps Pixel filtering look nice and clear.
WorldScreenOrigin.y = bottomLeft.y + (0.4f * WorldPerPixel.y);
WorldScreenOrigin.x = bottomLeft.x - (0.4f * WorldPerPixel.x);
// Update main document's viewport:
document.Viewport.Update(ScreenXFloat, ScreenYFloat);
// Fire the resize event (doesn't bubble):
Dom.Event resize = new Dom.Event("resize");
resize.SetTrusted(false);
document.window.dispatchEvent(resize);
// Inform main UI media rules:
media = document.MediaIfExists;
// Resize:
if (changedX)
{
int w = (int)ScreenXFloat;
document.RequestLayout();
if (media != null)
{
// Nudge it!
media.Width = w;
}
}
if (changedY)
{
int h = (int)ScreenYFloat;
document.RequestLayout();
if (media != null)
{
// Nudge it!
media.Height = h;
}
}
}
/// <summary>Sets the value of this input box, optionally as a html string.</summary>
/// <param name="value">The value to set.</param>
/// <param name="html">True if the value can safely contain html.</param>
public void SetValue(string value, bool html)
{
// Trigger onchange:
Dom.Event e = new Dom.Event("change");
e.SetTrusted(false);
if (!dispatchEvent(e))
{
return;
}
if (MaxLength != int.MaxValue)
{
// Do we need to clip it?
if (value != null && value.Length > MaxLength)
{
// Yep!
value = value.Substring(0, MaxLength);
}
}
if (value == null || CaretIndex > value.Length)
{
MoveCaret(0);
}
if (Value == null)
{
defaultValue = value;
}
// Update the value:
this["value"] = Value = value;
if (!IsBoolInput())
{
if (Hidden)
{
// Unfortunately the new string(char,length); constructor isn't reliable.
// Build the string manually here.
StringBuilder sb = new StringBuilder("", value.Length);
for (int i = 0; i < value.Length; i++)
{
sb.Append('*');
}
if (html)
{
innerHTML = sb.ToString();
}
else
{
textContent = sb.ToString();
}
}
else
{
if (html)
{
innerHTML = value;
}
else
{
textContent = value;
}
}
}
}
/// <summary>Scrolls this scrollbar by the given number of pixels, optionally relative to a fixed point on the bar.
/// Note that this may fail if the scrollbar cannot scroll any further.</summary>
/// <param name="pixels">The number of pixels to scroll this bar by.</param>
/// <param name="fromCurrent">True if pixels is relative to where the thumb currently is. False if pixels is relative
/// to where the bar was when the mouse was clicked. See e.g. <see cref="PowerUI.VScrollTabTag.StartY"/>.</param>
/// <param name="scrollTarget">True if the target should also be scrolled.</param>
public void ScrollBy(float pixels, bool fromCurrent, bool scrollTarget)
{
// Scroll it by pixels from Start.
float newLocation = pixels;
float currentPosition = Position;
LayoutBox box = RenderData.FirstBox;
if (fromCurrent)
{
newLocation += currentPosition;
}
else
{
newLocation += Start;
}
// Get the size of the button before the tab:
float sizeBefore = StartArrowSize;
float barSize = BarSize;
float max = barSize + sizeBefore;
if (IsVertical)
{
max -= box.Height;
}
else
{
max -= box.Width;
}
if (newLocation < sizeBefore)
{
newLocation = sizeBefore;
}
else if (newLocation > max)
{
newLocation = max;
}
if (newLocation == currentPosition)
{
return;
}
if (IsVertical)
{
Style.top = newLocation + "fpx";
}
else
{
Style.left = newLocation + "fpx";
}
// Fire a change event on the scrollbar:
Dom.Event e = new Dom.Event("change");
e.SetTrusted();
ScrollBar.dispatchEvent(e);
if (scrollTarget)
{
// Get info for the target:
HtmlElement target = ScrollBar.scrollTarget;
ComputedStyle targetCs = target.style.Computed;
box = targetCs.FirstBox;
if (target != null && box != null)
{
// Get the progress:
float progress = (newLocation - sizeBefore) / barSize;
// Update CSS:
if (IsVertical)
{
targetCs.ChangeTagProperty("scroll-top", new Css.Units.DecimalUnit(progress * box.ContentHeight));
}
else
{
targetCs.ChangeTagProperty("scroll-left", new Css.Units.DecimalUnit(progress * box.ContentWidth));
}
// And request a redraw:
target.htmlDocument.RequestLayout();
}
}
}
/// <summary>Sets the pressure level.</summary>
public void SetPressure(float v)
{
// Was it up before?
bool wasUp = (Pressure == 0f);
// Set pressure:
Pressure = v;
// If it's non-zero then we'll need to grab the clicked object:
if (v == 0f)
{
if (wasUp)
{
// No change.
}
else
{
// It's up now. Clear:
EventTarget oldActivePressed = ActivePressedTarget;
// Clear:
ActivePressedTarget = null;
if (oldActivePressed != null)
{
// Refresh CSS (active; applies to parents too):
EventTarget current = oldActivePressed;
while (current != null)
{
// Get it as a renderable node:
IRenderableNode irn = (current as IRenderableNode);
if (irn != null)
{
irn.ComputedStyle.RefreshLocal();
}
current = current.eventTargetParentNode;
}
}
// Trigger up event.
MouseEvent e = new MouseEvent(DocumentX, DocumentY, ButtonID, false);
e.trigger = this;
e.SetModifiers();
e.EventType = "mouseup";
if (oldActivePressed == null)
{
Input.Unhandled.dispatchEvent(e);
}
else
{
oldActivePressed.dispatchEvent(e);
}
// Click if needed:
if (oldActivePressed == ActiveOverTarget && DragStatus == 0)
{
// Click!
e.Reset();
e.trigger = this;
e.SetModifiers();
e.EventType = "click";
if (oldActivePressed == null)
{
Input.Unhandled.dispatchEvent(e);
}
else if (oldActivePressed.dispatchEvent(e))
{
// Clear the selection if necessary:
HtmlElement h = (oldActivePressed as HtmlElement);
if (h != null)
{
// Clear selection if there is one:
(h.document as HtmlDocument).clearSelection();
}
}
}
if (FireTouchEvents)
{
// Trigger a touchend event too:
TouchEvent te = new TouchEvent("touchend");
te.trigger = this;
te.SetModifiers();
te.SetTrusted();
te.clientX = DocumentX;
te.clientY = DocumentY;
if (oldActivePressed == null)
{
Input.Unhandled.dispatchEvent(te);
}
else
{
oldActivePressed.dispatchEvent(te);
}
}
if (DragStatus == DRAGGING)
{
// Trigger dragend:
DragEvent de = new DragEvent("dragend");
de.trigger = this;
de.SetModifiers();
de.SetTrusted();
de.clientX = ScreenX;
de.clientY = ScreenY;
if (oldActivePressed.dispatchEvent(de))
{
// Trigger a drop event next:
de.Reset();
de.EventType = "drop";
if (ActiveOverTarget != null && ActiveOverTarget.dispatchEvent(de))
{
// Proceed to try and drop it into the dropzone (ActiveOver).
}
}
}
else if (DragStatus == SELECTING)
{
// Finished selection - trigger selectionend:
Dom.Event sc = new Dom.Event("selectionend");
sc.SetTrusted();
// Dispatch on the element:
oldActivePressed.dispatchEvent(sc);
}
// Always clear drag status:
DragStatus = 0;
MinDragDistance = 0f;
}
}
else if (wasUp)
{
// It was up and it's now just gone down.
// Cache position:
DownDocumentX = DocumentX;
DownDocumentY = DocumentY;
// Cache down:
ActivePressedTarget = ActiveOverTarget;
// Trigger down event.
if (ActivePressedTarget != null)
{
// Refresh CSS (active; applies to parents too):
EventTarget current = ActivePressedTarget;
while (current != null)
{
// Get it as a renderable node:
IRenderableNode irn = (current as IRenderableNode);
if (irn != null)
{
irn.ComputedStyle.RefreshLocal();
}
current = current.eventTargetParentNode;
}
}
// Trigger down event.
MouseEvent e = new MouseEvent(DocumentX, DocumentY, ButtonID, true);
e.trigger = this;
e.EventType = "mousedown";
e.SetModifiers();
if (ActivePressedTarget == null)
{
Input.Unhandled.dispatchEvent(e);
}
else
{
ActivePressedTarget.dispatchEvent(e);
}
if (FireTouchEvents)
{
// Trigger a touchend event too:
TouchEvent te = new TouchEvent("touchstart");
te.trigger = this;
te.clientX = DocumentX;
te.clientY = DocumentY;
te.SetTrusted();
te.SetModifiers();
if (ActivePressedTarget == null)
{
Input.Unhandled.dispatchEvent(te);
}
else
{
ActivePressedTarget.dispatchEvent(te);
}
}
}
}
