void FCEFWebBrowserWindow::NotifyDocumentLoadingStateChange(bool IsLoading)
{
if (! IsLoading)
{
bIsInitialized = true;
if (bRecoverFromRenderProcessCrash)
{
bRecoverFromRenderProcessCrash = false;
// Toggle hidden/visible state to get OnPaint calls from CEF.
SetIsHidden(true);
SetIsHidden(false);
}
// Compatibility with Android script bindings: dispatch a custom ue:ready event when the document is fully loaded
ExecuteJavascript(TEXT("document.dispatchEvent(new CustomEvent('ue:ready', {details: window.ue}));"));
}
// Ignore a load completed notification if there was an error.
// For load started, reset any errors from previous page load.
if (IsLoading || DocumentState != EWebBrowserDocumentState::Error)
{
ErrorCode = 0;
DocumentState = IsLoading
? EWebBrowserDocumentState::Loading
: EWebBrowserDocumentState::Completed;
DocumentStateChangedEvent.Broadcast(DocumentState);
}
}
void Button::Reset()
{
SetIsHidden(true);
animationOffset = gScreenWidth;
pInEase->Reset();
pOutEase->Reset();
isMouseOver = false;
isMouseDown = false;
}
void FCEFWebBrowserWindow::SetIsDisabled(bool bValue)
{
if (bIsDisabled == bValue)
{
return;
}
bIsDisabled = bValue;
SetIsHidden(bIsDisabled);
}
void Button::Update(int delta)
{
isMouseOver = false;
isMouseDown = false;
if (pOutEase->GetIsStarted() && !pOutEase->GetIsFinished())
{
pOutEase->Update(delta);
animationOffset = (int)pOutEase->GetCurrentValue();
}
else if (pOutEase->GetIsFinished())
{
SetIsHidden(true);
}
else if (pInEase->GetIsStarted() && !pInEase->GetIsFinished())
{
pInEase->Update(delta);
animationOffset = (int)pInEase->GetCurrentValue();
}
else
{
if (GetUnlockedLockCount() > 0 && !pUnlockingAnimation->IsFinished())
{
pUnlockingAnimation->Update(delta);
AnimationSound * pSoundToPlay = pUnlockingAnimation->GetSoundToPlay();
if (pSoundToPlay != NULL)
{
pSoundToPlay->Play(gSoundEffectsVolume);
}
}
else if (!GetIsDisabled())
{
RectangleWH positionRect = RectangleWH(GetXPosition(), GetYPosition(), pTextFont->GetWidth(GetText()), TextHeight);
bool isPressed = MouseHelper::PressedAndHeldAnywhere() || MouseHelper::DoublePressedAndHeldAnywhere();
if (MouseHelper::ClickedOnRect(positionRect))
{
OnClicked();
}
if (MouseHelper::MouseDownOnRect(positionRect) && !isPressed)
{
isMouseDown = true;
}
else if (MouseHelper::MouseOverRect(positionRect) && !isPressed)
{
isMouseOver = true;
}
}
}
}
void Button::Show()
{
Reset();
SetIsHidden(false);
if (GetUnlockedLockCount() > 0)
{
pUnlockingAnimation->Begin();
}
pInEase->Begin();
}
void FCEFWebBrowserWindow::SetViewportSize(FIntPoint WindowSize, FIntPoint WindowPos)
{
// SetViewportSize is called from the browser viewport tick method, which means that since we are receiving ticks, we can mark the browser as visible.
if (! bIsDisabled)
{
SetIsHidden(false);
}
bTickedLastFrame=true;
// Ignore sizes that can't be seen as it forces CEF to re-render whole image
if (WindowSize.X > 0 && WindowSize.Y > 0 && ViewportSize != WindowSize)
{
ViewportSize = WindowSize;
if (IsValid())
{
#if PLATFORM_WINDOWS
HWND NativeHandle = InternalCefBrowser->GetHost()->GetWindowHandle();
if (NativeHandle)
{
HWND Parent = ::GetParent(NativeHandle);
// Position is in screen coordinates, so we'll need to get the parent window location first.
RECT ParentRect = { 0, 0, 0, 0 };
if (Parent)
{
::GetWindowRect(Parent, &ParentRect);
}
// allow resizing the window by nudging the edges of the viewport by a pixel if the content extends all the way to the edge
if (WindowPos.X == ParentRect.left)
{
WindowPos.X++;
WindowSize.X--;
}
if (WindowPos.Y == ParentRect.top)
{
WindowPos.Y++;
WindowSize.Y--;
}
if (WindowPos.X + WindowSize.X == ParentRect.right)
{
WindowSize.X--;
}
if (WindowPos.Y + WindowSize.Y == ParentRect.bottom)
{
WindowSize.Y--;
}
::SetWindowPos(NativeHandle, 0, WindowPos.X - ParentRect.left, WindowPos.Y - ParentRect.top, WindowSize.X, WindowSize.Y, 0);
}
#endif
InternalCefBrowser->GetHost()->WasResized();
}
}
}
void Button::ShowInstantly()
{
Reset();
SetIsHidden(false);
if (GetUnlockedLockCount() > 0)
{
pUnlockingAnimation->Finish();
}
pInEase->Finish();
animationOffset = (int)pInEase->GetCurrentValue();
}
void FCEFWebBrowserWindow::CheckTickActivity()
{
// Early out if we're currently hidden, not initialized or currently loading.
if (bIsHidden || !IsValid() || IsLoading() || ViewportSize == FIntPoint::ZeroValue)
{
return;
}
// We clear the bTickedLastFrame flag here and set it on every Slate tick.
// If it's still clear when we come back it means we're not getting ticks from slate.
// Note: The BrowserSingleton object will not invoke this method if Slate itself is sleeping.
// Therefore we can safely assume the widget is hidden in that case.
if (!bTickedLastFrame)
{
SetIsHidden(true);
}
bTickedLastFrame = false;
}