// We keep two copies of the surface here, which will double the memory usage, but increase
// scrolling performance since we do not have to keep reallocating a memory region during
// quick scrolling requests.
WidgetBackingStoreCairo::WidgetBackingStoreCairo(PlatformWidget widget, const IntSize& size)
: WidgetBackingStore(size)
, m_surface(createSurfaceForBackingStore(widget, size))
, m_scrollSurface(createSurfaceForBackingStore(widget, size))
, m_widget(widget)
{
}
PassOwnPtr<RenderThemeEfl::ThemePartCacheEntry> RenderThemeEfl::ThemePartCacheEntry::create(const String& themePath, FormType type, const IntSize& size)
{
ASSERT(!themePath.isEmpty());
if (isFormElementTooLargeToDisplay(size) || size.isEmpty()) {
EINA_LOG_ERR("Cannot render an element of size %dx%d.", size.width(), size.height());
return nullptr;
}
OwnPtr<ThemePartCacheEntry> entry = adoptPtr(new ThemePartCacheEntry);
entry->m_canvas = adoptPtr(ecore_evas_buffer_new(size.width(), size.height()));
if (!entry->canvas()) {
EINA_LOG_ERR("ecore_evas_buffer_new(%d, %d) failed.", size.width(), size.height());
return nullptr;
}
// By default EFL creates buffers without alpha.
ecore_evas_alpha_set(entry->canvas(), EINA_TRUE);
entry->m_edje = adoptRef(edje_object_add(ecore_evas_get(entry->canvas())));
ASSERT(entry->edje());
if (!setSourceGroupForEdjeObject(entry->edje(), themePath, toEdjeGroup(type)))
return nullptr;
entry->m_surface = createSurfaceForBackingStore(entry->canvas());
if (!entry->surface())
return nullptr;
evas_object_resize(entry->edje(), size.width(), size.height());
evas_object_show(entry->edje());
entry->type = type;
entry->size = size;
return entry.release();
}
void RenderThemeEfl::ThemePartCacheEntry::reuse(const String& themePath, FormType newType, const IntSize& newSize)
{
ASSERT(!themePath.isEmpty());
if (type != newType) {
type = newType;
if (!setSourceGroupForEdjeObject(edje(), themePath, toEdjeGroup(newType))) {
type = FormTypeLast; // Invalidate.
return;
}
}
if (size != newSize) {
size = newSize;
ecore_evas_resize(canvas(), newSize.width(), newSize.height());
evas_object_resize(edje(), newSize.width(), newSize.height());
m_surface = createSurfaceForBackingStore(canvas());
if (!surface()) {
type = FormTypeLast; // Invalidate;
return;
}
}
}