void wxWebView::OnPaint(wxPaintEvent& event)
{
if (m_beingDestroyed || !m_mainFrame)
return;
WebCore::Frame* frame = m_mainFrame->GetFrame();
if (!frame || !frame->view())
return;
wxAutoBufferedPaintDC dc(this);
if (IsShown() && frame->document()) {
#if USE(WXGC)
wxGCDC gcdc(dc);
#endif
if (dc.IsOk()) {
wxRect paintRect = GetUpdateRegion().GetBox();
#if USE(WXGC)
WebCore::GraphicsContext gc(&gcdc);
#else
WebCore::GraphicsContext gc(&dc);
#endif
if (frame->contentRenderer()) {
frame->view()->layoutIfNeededRecursive();
frame->view()->paint(&gc, paintRect);
}
}
}
}
void BWebPage::paint(BRect rect, bool immediate)
{
if (fLayoutingView || !rect.IsValid())
return;
// Block any drawing as long as the BWebView is hidden
// (should be extended to when the containing BWebWindow is not
// currently on screen either...)
if (!fPageVisible) {
fPageDirty = true;
return;
}
// NOTE: fMainFrame can be 0 because init() eventually ends up calling
// paint()! BWebFrame seems to cause an initial page to be loaded, maybe
// this ought to be avoided also for start-up speed reasons!
if (!fMainFrame)
return;
WebCore::Frame* frame = fMainFrame->Frame();
WebCore::FrameView* view = frame->view();
if (!view || !frame->contentRenderer())
return;
// Since calling layoutIfNeededRecursive can cycle back into paint(),
// call this method before locking the window and before holding the
// offscreen view lock.
fLayoutingView = true;
view->layout(true);
fLayoutingView = false;
if (!fWebView->LockLooper())
return;
BView* offscreenView = fWebView->OffscreenView();
// Lock the offscreen bitmap while we still have the
// window locked. This cannot deadlock and makes sure
// the window is not deleting the offscreen view right
// after we unlock it and before locking the bitmap.
if (!offscreenView->LockLooper()) {
fWebView->UnlockLooper();
return;
}
fWebView->UnlockLooper();
if (!rect.IsValid())
rect = offscreenView->Bounds();
BRegion region(rect);
internalPaint(offscreenView, view, ®ion);
offscreenView->UnlockLooper();
fPageDirty = false;
// Notify the window that it can now pull the bitmap in its own thread
fWebView->SetOffscreenViewClean(rect, immediate);
}
void WebView::OnPaint(wxPaintEvent& event)
{
if (m_beingDestroyed || !m_mainFrame)
return;
WebCore::Frame* frame = m_mainFrame->GetFrame();
if (!frame || !frame->view())
return;
// we can't use wxAutoBufferedPaintDC here because it will not create
// a 32-bit bitmap for its buffer.
#if __WXMSW__
wxPaintDC paintdc(this);
int width, height;
paintdc.GetSize(&width, &height);
wxBitmap bitmap(width, height, 32);
wxMemoryDC dc(bitmap);
#else
wxPaintDC dc(this);
#endif
if (IsShown() && frame->document()) {
#if USE(WXGC)
#if wxCHECK_VERSION(2, 9, 2) && defined(wxUSE_CAIRO) && wxUSE_CAIRO
wxGraphicsRenderer* renderer = wxGraphicsRenderer::GetCairoRenderer();
if (!renderer)
renderer = wxGraphicsRenderer::GetDefaultRenderer();
wxGraphicsContext* context = renderer->CreateContext(dc);
wxGCDC gcdc(context);
#else
wxGCDC gcdc(dc);
#endif
#endif
if (dc.IsOk()) {
wxRect paintRect = GetUpdateRegion().GetBox();
#if USE(WXGC)
WebCore::GraphicsContext gc(&gcdc);
#else
WebCore::GraphicsContext gc(&dc);
#endif
if (frame->contentRenderer()) {
frame->view()->updateLayoutAndStyleIfNeededRecursive();
frame->view()->paint(&gc, paintRect);
#if __WXMSW__
dc.SelectObject(wxNullBitmap);
paintdc.DrawBitmap(bitmap, 0, 0);
#endif
}
}
}
}
void wxWebView::OnPaint(wxPaintEvent& event)
{
if (m_beingDestroyed || !m_mainFrame)
return;
WebCore::Frame* frame = m_mainFrame->GetFrame();
if (!frame || !frame->view())
return;
wxAutoBufferedPaintDC dc(this);
if (IsShown() && frame->document()) {
#if USE(WXGC)
wxGCDC gcdc(dc);
#endif
if (dc.IsOk()) {
wxRect paintRect = GetUpdateRegion().GetBox();
WebCore::IntSize offset = frame->view()->scrollOffset();
#if USE(WXGC)
gcdc.SetDeviceOrigin(-offset.width(), -offset.height());
#endif
dc.SetDeviceOrigin(-offset.width(), -offset.height());
paintRect.Offset(offset.width(), offset.height());
#if USE(WXGC)
WebCore::GraphicsContext* gc = new WebCore::GraphicsContext(&gcdc);
#else
WebCore::GraphicsContext* gc = new WebCore::GraphicsContext((wxWindowDC*)&dc);
#endif
if (gc && frame->contentRenderer()) {
if (frame->view()->needsLayout())
frame->view()->layout();
frame->view()->paintContents(gc, paintRect);
}
delete gc;
}
}
}
static gboolean webkit_web_view_expose_event(GtkWidget* widget, GdkEventExpose* event)
{
WebCore::Frame* frame = core(webView_s->mainFrame());
if (frame->contentRenderer() && frame->view()) {
frame->view()->layoutIfNeededRecursive();
cairo_t* cr = gdk_cairo_create(event->window);
GraphicsContext ctx(cr);
cairo_destroy(cr);
ctx.setGdkExposeEvent(event);
GOwnPtr<GdkRectangle> rects;
int rectCount;
gdk_region_get_rectangles(event->region, &rects.outPtr(), &rectCount);
// Avoid recursing into the render tree excessively
bool coalesce = shouldCoalesce(event->area, rects.get(), rectCount);
if (coalesce) {
IntRect rect = event->area;
ctx.clip(rect);
if (webView_s->transparent())
ctx.clearRect(rect);
frame->view()->paint(&ctx, rect);
} else {
for (int i = 0; i < rectCount; i++) {
IntRect rect = rects.get()[i];
ctx.save();
ctx.clip(rect);
if (webView_s->transparent())
ctx.clearRect(rect);
frame->view()->paint(&ctx, rect);
ctx.restore();
}
}
}
return false;
}
void wxWebView::OnPaint(wxPaintEvent& event)
{
if (m_beingDestroyed || !m_mainFrame)
return;
// WebView active state is based on TLW active state.
wxTopLevelWindow* tlw = dynamic_cast<wxTopLevelWindow*>(wxGetTopLevelParent(this));
if (tlw && tlw->IsActive())
m_impl->page->focusController()->setActive(true);
else {
m_impl->page->focusController()->setActive(false);
}
WebCore::Frame* frame = m_mainFrame->GetFrame();
if (!frame || !frame->view())
return;
wxAutoBufferedPaintDC dc(this);
if (IsShown() && frame->document()) {
#if USE(WXGC)
wxGCDC gcdc(dc);
#endif
if (dc.IsOk()) {
wxRect paintRect = GetUpdateRegion().GetBox();
#if USE(WXGC)
WebCore::GraphicsContext gc(&gcdc);
#else
WebCore::GraphicsContext gc(&dc);
#endif
if (frame->contentRenderer()) {
frame->view()->layoutIfNeededRecursive();
frame->view()->paint(&gc, paintRect);
}
}
}
}