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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "EditContext.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/CompositionEvent.h"
#include "mozilla/dom/Element.h"
#include "nsGenericHTMLElement.h"
namespace mozilla::dom {
NS_IMPL_ADDREF_INHERITED(EditContext, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(EditContext, DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION(EditContext, mAssociatedElement)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EditContext)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
already_AddRefed<EditContext> EditContext::Constructor(
const GlobalObject& aGlobal, const EditContextInit& aInit,
ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (!global) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<EditContext> context = new EditContext(global, aInit);
return context.forget();
}
JSObject* EditContext::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return EditContext_Binding::Wrap(aCx, this, aGivenProto);
}
static StaticAutoPtr<nsTHashMap<const Element*, RefPtr<EditContext>>>
sEditContextHashMap;
// static
EditContext* EditContext::GetForElement(const Element& aElement) {
MOZ_ASSERT(NS_IsMainThread());
if (!sEditContextHashMap || !aElement.HasFlag(ELEMENT_HAS_EDIT_CONTEXT)) {
return nullptr;
}
auto entry = sEditContextHashMap->Lookup(&aElement);
MOZ_ASSERT(entry,
"Should be in hash map if ELEMENT_HAS_EDIT_CONTEXT is set.");
return entry.Data();
}
// static
void EditContext::SetForElement(const Element& aElement,
mozilla::dom::EditContext* aEditContext) {
MOZ_ASSERT(NS_IsMainThread());
if (!sEditContextHashMap) {
if (!aEditContext) {
return;
}
sEditContextHashMap = new nsTHashMap<const Element*, RefPtr<EditContext>>;
ClearOnShutdown(&sEditContextHashMap);
}
if (aEditContext) {
sEditContextHashMap->InsertOrUpdate(&aElement, aEditContext);
} else {
sEditContextHashMap->Remove(&aElement);
}
}
void EditContext::Deactivate() {
if (!mIsComposing) {
return;
}
// 1. Set editContext's is composing to false.
mIsComposing = false;
// 2. Fire an event named compositionend at editContext using
// CompositionEvent.
// TODO
}
// static
bool EditContext::IsAnyAttached() {
MOZ_ASSERT(NS_IsMainThread());
return sEditContextHashMap && !sEditContextHashMap->IsEmpty();
}
EditContext::EditContext(nsIGlobalObject* aGlobalObject,
const EditContextInit& aInit)
: DOMEventTargetHelper(aGlobalObject) {
UpdateSelection(aInit.mSelectionStart, aInit.mSelectionEnd);
UpdateText(0, 0, aInit.mText);
}
RefPtr<DOMRect> EditContext::ToDOMRect(const Rect& copy) const {
return MakeRefPtr<DOMRect>(GetRelevantGlobal(), copy.x, copy.y, copy.width,
copy.height);
}
auto EditContext::ToRect(const DOMRect& rect) const -> Rect {
return Rect(rect.X(), rect.Y(), rect.Width(), rect.Height());
}
void EditContext::UpdateCharacterBounds(
uint32_t aRangeStart,
const Sequence<OwningNonNull<DOMRect>>& aCharacterBounds) {
mCodepointRectsStartIndex = aRangeStart;
mCodepointRects.Clear();
mCodepointRects.SetCapacity(aCharacterBounds.Length());
for (const auto& rect : aCharacterBounds) {
mCodepointRects.AppendElement(ToRect(rect));
}
}
void EditContext::CharacterBounds(nsTArray<RefPtr<DOMRect>>& aRetVal) const {
aRetVal.SetCapacity(mCodepointRects.Length());
for (const Rect& rect : mCodepointRects) {
aRetVal.AppendElement(ToDOMRect(rect));
}
}
void EditContext::UpdateControlBounds(DOMRect& aControlBounds) {
mControlBounds = ToRect(aControlBounds);
}
void EditContext::UpdateSelectionBounds(DOMRect& aSelectionBounds) {
mSelectionBounds = ToRect(aSelectionBounds);
}
} // namespace mozilla::dom