зеркало из https://github.com/mozilla/gecko-dev.git
140 строки
4.3 KiB
C++
140 строки
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "DocumentL10n.h"
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#include "nsIContentSink.h"
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#include "mozilla/dom/DocumentL10nBinding.h"
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using namespace mozilla::dom;
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NS_IMPL_CYCLE_COLLECTION_CLASS(DocumentL10n)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(DocumentL10n, DOMLocalization)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocument)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mReady)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mContentSink)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(DocumentL10n, DOMLocalization)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocument)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mReady)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mContentSink)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_ADDREF_INHERITED(DocumentL10n, DOMLocalization)
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NS_IMPL_RELEASE_INHERITED(DocumentL10n, DOMLocalization)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DocumentL10n)
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NS_INTERFACE_MAP_END_INHERITING(DOMLocalization)
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DocumentL10n::DocumentL10n(Document* aDocument)
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: DOMLocalization(aDocument->GetScopeObject()),
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mDocument(aDocument),
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mState(DocumentL10nState::Initialized) {
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mContentSink = do_QueryInterface(aDocument->GetCurrentContentSink());
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}
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void DocumentL10n::Init(nsTArray<nsString>& aResourceIds, ErrorResult& aRv) {
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DOMLocalization::Init(aResourceIds, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return;
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}
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mReady = Promise::Create(mGlobal, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return;
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}
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}
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JSObject* DocumentL10n::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return DocumentL10n_Binding::Wrap(aCx, this, aGivenProto);
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}
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class L10nReadyHandler final : public PromiseNativeHandler {
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(L10nReadyHandler)
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explicit L10nReadyHandler(Promise* aPromise, DocumentL10n* aDocumentL10n)
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: mPromise(aPromise), mDocumentL10n(aDocumentL10n) {}
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void ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override {
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mDocumentL10n->InitialDocumentTranslationCompleted();
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mPromise->MaybeResolveWithUndefined();
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}
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void RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override {
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mDocumentL10n->InitialDocumentTranslationCompleted();
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mPromise->MaybeRejectWithUndefined();
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}
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private:
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~L10nReadyHandler() = default;
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RefPtr<Promise> mPromise;
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RefPtr<DocumentL10n> mDocumentL10n;
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};
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NS_IMPL_CYCLE_COLLECTION(L10nReadyHandler, mPromise, mDocumentL10n)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(L10nReadyHandler)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(L10nReadyHandler)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(L10nReadyHandler)
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void DocumentL10n::TriggerInitialDocumentTranslation() {
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if (mState >= DocumentL10nState::InitialTranslationTriggered) {
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return;
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}
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mState = DocumentL10nState::InitialTranslationTriggered;
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Element* elem = mDocument->GetDocumentElement();
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if (!elem) {
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return;
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}
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Sequence<OwningNonNull<Element>> elements;
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ErrorResult rv;
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GetTranslatables(*elem, elements, rv);
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ConnectRoot(*elem, rv);
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RefPtr<Promise> promise = TranslateElements(elements, rv);
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if (!promise) {
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return;
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}
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RefPtr<PromiseNativeHandler> l10nReadyHandler =
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new L10nReadyHandler(mReady, this);
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promise->AppendNativeHandler(l10nReadyHandler);
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}
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void DocumentL10n::InitialDocumentTranslationCompleted() {
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if (mState >= DocumentL10nState::InitialTranslationCompleted) {
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return;
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}
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Element* documentElement = mDocument->GetDocumentElement();
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if (documentElement) {
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SetRootInfo(documentElement);
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}
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mState = DocumentL10nState::InitialTranslationCompleted;
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mDocument->InitialDocumentTranslationCompleted();
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// In XUL scenario contentSink is nullptr.
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if (mContentSink) {
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mContentSink->InitialDocumentTranslationCompleted();
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}
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}
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Promise* DocumentL10n::Ready() { return mReady; }
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void DocumentL10n::OnCreatePresShell() { mMutations->OnCreatePresShell(); } |