NS_IMETHODIMP nsViewManager::InvalidateViewNoSuppression(nsIView *aView,
const nsRect &aRect)
{
NS_PRECONDITION(nsnull != aView, "null view");
nsView* view = static_cast<nsView*>(aView);
NS_ASSERTION(view->GetViewManager() == this,
"InvalidateViewNoSuppression called on view we don't own");
nsRect damagedRect(aRect);
if (damagedRect.IsEmpty()) {
return NS_OK;
}
nsView* displayRoot = static_cast<nsView*>(GetDisplayRootFor(view));
nsViewManager* displayRootVM = displayRoot->GetViewManager();
// Propagate the update to the displayRoot, since iframes, for example,
// can overlap each other and be translucent. So we have to possibly
// invalidate our rect in each of the widgets we have lying about.
damagedRect.MoveBy(view->GetOffsetTo(displayRoot));
PRInt32 rootAPD = displayRootVM->AppUnitsPerDevPixel();
PRInt32 APD = AppUnitsPerDevPixel();
damagedRect = damagedRect.ConvertAppUnitsRoundOut(APD, rootAPD);
// accumulate this rectangle in the view's dirty region, so we can
// process it later.
AddDirtyRegion(displayRoot, nsRegion(damagedRect));
return NS_OK;
}
/**
aRegion is given in device coordinates!!
aContext may be null, in which case layers should be used for
rendering.
*/
void nsViewManager::Refresh(nsView *aView, const nsIntRegion& aRegion,
bool aWillSendDidPaint)
{
NS_ASSERTION(aView->GetViewManager() == this, "wrong view manager");
// damageRegion is the damaged area, in twips, relative to the view origin
nsRegion damageRegion = aRegion.ToAppUnits(AppUnitsPerDevPixel());
// move region from widget coordinates into view coordinates
damageRegion.MoveBy(-aView->ViewToWidgetOffset());
if (damageRegion.IsEmpty()) {
#ifdef DEBUG_roc
nsRect viewRect = aView->GetDimensions();
nsRect damageRect = damageRegion.GetBounds();
printf("XXX Damage rectangle (%d,%d,%d,%d) does not intersect the widget's view (%d,%d,%d,%d)!\n",
damageRect.x, damageRect.y, damageRect.width, damageRect.height,
viewRect.x, viewRect.y, viewRect.width, viewRect.height);
#endif
return;
}
nsIWidget *widget = aView->GetWidget();
if (!widget) {
return;
}
NS_ASSERTION(!IsPainting(), "recursive painting not permitted");
if (IsPainting()) {
RootViewManager()->mRecursiveRefreshPending = true;
return;
}
{
nsAutoScriptBlocker scriptBlocker;
SetPainting(true);
NS_ASSERTION(GetDisplayRootFor(aView) == aView,
"Widgets that we paint must all be display roots");
if (mPresShell) {
#ifdef DEBUG_INVALIDATIONS
printf("--COMPOSITE-- %p\n", mPresShell);
#endif
mPresShell->Paint(aView, damageRegion,
nsIPresShell::PAINT_COMPOSITE |
(aWillSendDidPaint ? nsIPresShell::PAINT_WILL_SEND_DID_PAINT : 0));
#ifdef DEBUG_INVALIDATIONS
printf("--ENDCOMPOSITE--\n");
#endif
mozilla::StartupTimeline::RecordOnce(mozilla::StartupTimeline::FIRST_PAINT);
}
SetPainting(false);
}
if (RootViewManager()->mRecursiveRefreshPending) {
RootViewManager()->mRecursiveRefreshPending = false;
InvalidateAllViews();
}
}
nsIntRect nsViewManager::ViewToWidget(nsView *aView, const nsRect &aRect) const
{
NS_ASSERTION(aView->GetViewManager() == this, "wrong view manager");
// account for the view's origin not lining up with the widget's
nsRect rect = aRect + aView->ViewToWidgetOffset();
// finally, convert to device coordinates.
return rect.ToOutsidePixels(AppUnitsPerDevPixel());
}
void
nsThebesDeviceContext::ComputeClientRectUsingScreen(nsRect* outRect)
{
// we always need to recompute the clientRect
// because the window may have moved onto a different screen. In the single
// monitor case, we only need to do the computation if we haven't done it
// once already, and remember that we have because we're assured it won't change.
nsCOMPtr<nsIScreen> screen;
FindScreen (getter_AddRefs(screen));
if (screen) {
PRInt32 x, y, width, height;
screen->GetAvailRect(&x, &y, &width, &height);
// convert to device units
outRect->y = NSIntPixelsToAppUnits(y, AppUnitsPerDevPixel());
outRect->x = NSIntPixelsToAppUnits(x, AppUnitsPerDevPixel());
outRect->width = NSIntPixelsToAppUnits(width, AppUnitsPerDevPixel());
outRect->height = NSIntPixelsToAppUnits(height, AppUnitsPerDevPixel());
}
}
NS_IMETHODIMP nsViewManager::DispatchEvent(nsGUIEvent *aEvent,
nsIView* aView, nsEventStatus *aStatus)
{
NS_ASSERTION(!aView || static_cast<nsView*>(aView)->GetViewManager() == this,
"wrong view manager");
SAMPLE_LABEL("event", "nsViewManager::DispatchEvent");
*aStatus = nsEventStatus_eIgnore;
switch(aEvent->message)
{
case NS_SIZE:
{
if (aView)
{
// client area dimensions are set on the view
nscoord width = ((nsSizeEvent*)aEvent)->windowSize->width;
nscoord height = ((nsSizeEvent*)aEvent)->windowSize->height;
// The root view may not be set if this is the resize associated with
// window creation
if (aView == mRootView)
{
PRInt32 p2a = AppUnitsPerDevPixel();
SetWindowDimensions(NSIntPixelsToAppUnits(width, p2a),
NSIntPixelsToAppUnits(height, p2a));
*aStatus = nsEventStatus_eConsumeNoDefault;
}
else if (IsViewForPopup(aView))
{
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm)
{
pm->PopupResized(aView->GetFrame(), nsIntSize(width, height));
*aStatus = nsEventStatus_eConsumeNoDefault;
}
}
}
}
break;
case NS_MOVE:
{
// A popup's parent view is the root view for the parent window, so when
// a popup moves, the popup's frame and view position must be updated
// to match.
if (aView && IsViewForPopup(aView))
{
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm)
{
pm->PopupMoved(aView->GetFrame(), aEvent->refPoint);
*aStatus = nsEventStatus_eConsumeNoDefault;
}
}
break;
}
case NS_DONESIZEMOVE:
{
if (mPresShell) {
nsPresContext* presContext = mPresShell->GetPresContext();
if (presContext) {
nsEventStateManager::ClearGlobalActiveContent(nsnull);
}
}
nsIPresShell::ClearMouseCapture(nsnull);
}
break;
case NS_XUL_CLOSE:
{
// if this is a popup, make a request to hide it. Note that a popuphidden
// event listener may cancel the event and the popup will not be hidden.
nsIWidget* widget = aView->GetWidget();
if (widget) {
nsWindowType type;
widget->GetWindowType(type);
if (type == eWindowType_popup) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) {
pm->HidePopup(aView->GetFrame());
*aStatus = nsEventStatus_eConsumeNoDefault;
}
}
}
}
break;
case NS_WILL_PAINT:
{
if (!aView || !mContext)
break;
*aStatus = nsEventStatus_eConsumeNoDefault;
nsPaintEvent *event = static_cast<nsPaintEvent*>(aEvent);
NS_ASSERTION(static_cast<nsView*>(aView) ==
nsView::GetViewFor(event->widget),
"view/widget mismatch");
// If an ancestor widget was hidden and then shown, we could
// have a delayed resize to handle.
for (nsViewManager *vm = this; vm;
vm = vm->mRootView->GetParent()
? vm->mRootView->GetParent()->GetViewManager()
: nsnull) {
if (vm->mDelayedResize != nsSize(NSCOORD_NONE, NSCOORD_NONE) &&
vm->mRootView->IsEffectivelyVisible() &&
mPresShell && mPresShell->IsVisible()) {
vm->FlushDelayedResize(true);
vm->InvalidateView(vm->mRootView);
}
}
// Flush things like reflows and plugin widget geometry updates by
// calling WillPaint on observer presShells.
nsRefPtr<nsViewManager> rootVM = RootViewManager();
if (mPresShell) {
rootVM->CallWillPaintOnObservers(event->willSendDidPaint);
}
// Flush view widget geometry updates and invalidations.
rootVM->ProcessPendingUpdates();
}
break;
case NS_PAINT:
{
if (!aView || !mContext)
break;
*aStatus = nsEventStatus_eConsumeNoDefault;
nsPaintEvent *event = static_cast<nsPaintEvent*>(aEvent);
nsView* view = static_cast<nsView*>(aView);
NS_ASSERTION(view == nsView::GetViewFor(event->widget),
"view/widget mismatch");
NS_ASSERTION(IsPaintingAllowed(),
"shouldn't be receiving paint events while painting is "
"disallowed!");
if (!event->didSendWillPaint) {
// Send NS_WILL_PAINT event ourselves.
nsPaintEvent willPaintEvent(true, NS_WILL_PAINT, event->widget);
willPaintEvent.willSendDidPaint = event->willSendDidPaint;
DispatchEvent(&willPaintEvent, view, aStatus);
// Get the view pointer again since NS_WILL_PAINT might have
// destroyed it during CallWillPaintOnObservers (bug 378273).
view = nsView::GetViewFor(event->widget);
}
if (!view || event->region.IsEmpty())
break;
// Paint.
Refresh(view, event->region, event->willSendDidPaint);
break;
}
case NS_DID_PAINT: {
nsRefPtr<nsViewManager> rootVM = RootViewManager();
rootVM->CallDidPaintOnObserver();
break;
}
case NS_CREATE:
case NS_DESTROY:
case NS_SETZLEVEL:
/* Don't pass these events through. Passing them through
causes performance problems on pages with lots of views/frames
@see bug 112861 */
*aStatus = nsEventStatus_eConsumeNoDefault;
break;
case NS_DISPLAYCHANGED:
//Destroy the cached backbuffer to force a new backbuffer
//be constructed with the appropriate display depth.
//@see bugzilla bug 6061
*aStatus = nsEventStatus_eConsumeDoDefault;
break;
case NS_SYSCOLORCHANGED:
{
if (mPresShell) {
// Hold a refcount to the presshell. The continued existence of the observer will
// delay deletion of this view hierarchy should the event want to cause its
// destruction in, say, some JavaScript event handler.
nsCOMPtr<nsIPresShell> presShell = mPresShell;
presShell->HandleEvent(aView->GetFrame(), aEvent, false, aStatus);
}
}
break;
default:
{
if ((NS_IS_MOUSE_EVENT(aEvent) &&
// Ignore mouse events that we synthesize.
static_cast<nsMouseEvent*>(aEvent)->reason ==
nsMouseEvent::eReal &&
// Ignore mouse exit and enter (we'll get moves if the user
// is really moving the mouse) since we get them when we
// create and destroy widgets.
aEvent->message != NS_MOUSE_EXIT &&
aEvent->message != NS_MOUSE_ENTER) ||
NS_IS_KEY_EVENT(aEvent) ||
NS_IS_IME_EVENT(aEvent) ||
aEvent->message == NS_PLUGIN_INPUT_EVENT) {
gLastUserEventTime = PR_IntervalToMicroseconds(PR_IntervalNow());
}
if (aEvent->message == NS_DEACTIVATE) {
// if a window is deactivated, clear the mouse capture regardless
// of what is capturing
nsIPresShell::ClearMouseCapture(nsnull);
}
// Find the view whose coordinates system we're in.
nsIView* view = aView;
bool dispatchUsingCoordinates = NS_IsEventUsingCoordinates(aEvent);
if (dispatchUsingCoordinates) {
// Will dispatch using coordinates. Pretty bogus but it's consistent
// with what presshell does.
view = GetDisplayRootFor(view);
}
// If the view has no frame, look for a view that does.
nsIFrame* frame = view->GetFrame();
if (!frame &&
(dispatchUsingCoordinates || NS_IS_KEY_EVENT(aEvent) ||
NS_IS_IME_RELATED_EVENT(aEvent) ||
NS_IS_NON_RETARGETED_PLUGIN_EVENT(aEvent) ||
aEvent->message == NS_PLUGIN_ACTIVATE ||
aEvent->message == NS_PLUGIN_FOCUS)) {
while (view && !view->GetFrame()) {
view = view->GetParent();
}
if (view) {
frame = view->GetFrame();
}
}
if (nsnull != frame) {
// Hold a refcount to the presshell. The continued existence of the
// presshell will delay deletion of this view hierarchy should the event
// want to cause its destruction in, say, some JavaScript event handler.
nsCOMPtr<nsIPresShell> shell = view->GetViewManager()->GetPresShell();
if (shell) {
shell->HandleEvent(frame, aEvent, false, aStatus);
}
}
break;
}
}
return NS_OK;
}
/**
* @param aDamagedRegion this region, relative to aWidgetView, is invalidated in
* every widget child of aWidgetView, plus aWidgetView's own widget
*/
void
nsViewManager::InvalidateWidgetArea(nsView *aWidgetView,
const nsRegion &aDamagedRegion)
{
NS_ASSERTION(aWidgetView->GetViewManager() == this,
"InvalidateWidgetArea called on view we don't own");
nsIWidget* widget = aWidgetView->GetWidget();
#if 0
nsRect dbgBounds = aDamagedRegion.GetBounds();
printf("InvalidateWidgetArea view:%X (%d) widget:%X region: %d, %d, %d, %d\n",
aWidgetView, aWidgetView->IsAttachedToTopLevel(),
widget, dbgBounds.x, dbgBounds.y, dbgBounds.width, dbgBounds.height);
#endif
// If the widget is hidden, it don't cover nothing
if (widget) {
bool visible;
widget->IsVisible(visible);
if (!visible)
return;
}
if (!widget) {
// The root view or a scrolling view might not have a widget
// (for example, during printing). We get here when we scroll
// during printing to show selected options in a listbox, for example.
return;
}
// Update all child widgets with the damage. In the process,
// accumulate the union of all the child widget areas, or at least
// some subset of that.
nsRegion children;
if (widget->GetTransparencyMode() != eTransparencyTransparent) {
for (nsIWidget* childWidget = widget->GetFirstChild();
childWidget;
childWidget = childWidget->GetNextSibling()) {
nsView* view = nsView::GetViewFor(childWidget);
NS_ASSERTION(view != aWidgetView, "will recur infinitely");
bool visible;
childWidget->IsVisible(visible);
nsWindowType type;
childWidget->GetWindowType(type);
if (view && visible && type != eWindowType_popup) {
NS_ASSERTION(type == eWindowType_plugin,
"Only plugin or popup widgets can be children!");
// We do not need to invalidate in plugin widgets, but we should
// exclude them from the invalidation region IF we're not on
// Mac. On Mac we need to draw under plugin widgets, because
// plugin widgets are basically invisible
#ifndef XP_MACOSX
// GetBounds should compensate for chrome on a toplevel widget
nsIntRect bounds;
childWidget->GetBounds(bounds);
nsTArray<nsIntRect> clipRects;
childWidget->GetWindowClipRegion(&clipRects);
for (PRUint32 i = 0; i < clipRects.Length(); ++i) {
nsRect rr = (clipRects[i] + bounds.TopLeft()).
ToAppUnits(AppUnitsPerDevPixel());
children.Or(children, rr - aWidgetView->ViewToWidgetOffset());
children.SimplifyInward(20);
}
#endif
}
}
}
nsRegion leftOver;
leftOver.Sub(aDamagedRegion, children);
if (!leftOver.IsEmpty()) {
aWidgetView->SetPendingRefresh(true);
const nsRect* r;
for (nsRegionRectIterator iter(leftOver); (r = iter.Next());) {
nsIntRect bounds = ViewToWidget(aWidgetView, *r);
widget->Invalidate(bounds);
}
}
}
void
nsThebesDeviceContext::CalcPrintingSize()
{
if (!mPrintingSurface)
return;
PRBool inPoints = PR_TRUE;
gfxSize size;
switch (mPrintingSurface->GetType()) {
case gfxASurface::SurfaceTypeImage:
inPoints = PR_FALSE;
size = reinterpret_cast<gfxImageSurface*>(mPrintingSurface.get())->GetSize();
break;
#if defined(MOZ_ENABLE_GTK2) || defined(XP_WIN) || defined(XP_OS2)
case gfxASurface::SurfaceTypePDF:
inPoints = PR_TRUE;
size = reinterpret_cast<gfxPDFSurface*>(mPrintingSurface.get())->GetSize();
break;
#endif
#ifdef MOZ_ENABLE_GTK2
case gfxASurface::SurfaceTypePS:
inPoints = PR_TRUE;
size = reinterpret_cast<gfxPSSurface*>(mPrintingSurface.get())->GetSize();
break;
#endif
#ifdef XP_MACOSX
case gfxASurface::SurfaceTypeQuartz:
inPoints = PR_TRUE; // this is really only true when we're printing
size = reinterpret_cast<gfxQuartzSurface*>(mPrintingSurface.get())->GetSize();
break;
#endif
#ifdef XP_WIN
case gfxASurface::SurfaceTypeWin32:
case gfxASurface::SurfaceTypeWin32Printing:
{
inPoints = PR_FALSE;
HDC dc = GetPrintHDC();
if (!dc)
dc = GetDC((HWND)mWidget->GetNativeData(NS_NATIVE_WIDGET));
size.width = NSFloatPixelsToAppUnits(::GetDeviceCaps(dc, HORZRES)/mPrintingScale, AppUnitsPerDevPixel());
size.height = NSFloatPixelsToAppUnits(::GetDeviceCaps(dc, VERTRES)/mPrintingScale, AppUnitsPerDevPixel());
mDepth = (PRUint32)::GetDeviceCaps(dc, BITSPIXEL);
if (dc != (HDC)GetPrintHDC())
ReleaseDC((HWND)mWidget->GetNativeData(NS_NATIVE_WIDGET), dc);
break;
}
#endif
#ifdef XP_OS2
case gfxASurface::SurfaceTypeOS2:
{
inPoints = PR_FALSE;
// we already set the size in the surface constructor we set for
// printing, so just get those values here
size = reinterpret_cast<gfxOS2Surface*>(mPrintingSurface.get())->GetSize();
// as they are in pixels we need to scale them to app units
size.width = NSFloatPixelsToAppUnits(size.width, AppUnitsPerDevPixel());
size.height = NSFloatPixelsToAppUnits(size.height, AppUnitsPerDevPixel());
// still need to get the depth from the device context
HDC dc = GetPrintHDC();
LONG value;
if (DevQueryCaps(dc, CAPS_COLOR_BITCOUNT, 1, &value))
mDepth = value;
else
mDepth = 8; // default to 8bpp, should be enough for printers
break;
}
#endif
default:
NS_ERROR("trying to print to unknown surface type");
}
if (inPoints) {
mWidth = NSToCoordRound(float(size.width) * AppUnitsPerInch() / 72);
mHeight = NSToCoordRound(float(size.height) * AppUnitsPerInch() / 72);
} else {
mWidth = NSToIntRound(size.width);
mHeight = NSToIntRound(size.height);
}
}