зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.6 KiB
C++
90 строки
2.6 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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#ifndef mozilla_dom_l10n_DocumentL10n_h
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#define mozilla_dom_l10n_DocumentL10n_h
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/DOMLocalization.h"
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namespace mozilla {
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namespace dom {
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enum class DocumentL10nState {
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// State set when the DocumentL10n gets constructed.
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Uninitialized = 0,
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// State set when the DocumentL10n is activated and ready to be used.
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Activated,
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// State set when the initial translation got triggered. This happens
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// if DocumentL10n was constructed during parsing of the document.
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//
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// If the DocumentL10n gets constructed later, we'll skip directly to
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// Ready state.
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InitialTranslationTriggered,
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// State set the DocumentL10n has been fully initialized, potentially
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// with initial translation being completed.
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Ready,
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};
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/**
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* This class maintains localization status of the document.
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*
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* The document will initialize it lazily when a link with a localization
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* resource is added to the document.
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*
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* Once initialized, DocumentL10n relays all API methods to an
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* instance of mozILocalization and maintains a single promise
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* which gets resolved the first time the document gets translated.
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*/
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class DocumentL10n final : public DOMLocalization {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DocumentL10n, DOMLocalization)
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static RefPtr<DocumentL10n> Create(Document* aDocument);
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void Activate(const bool aLazy);
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protected:
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explicit DocumentL10n(Document* aDocument);
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bool Init();
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virtual ~DocumentL10n() = default;
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RefPtr<Document> mDocument;
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RefPtr<Promise> mReady;
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DocumentL10nState mState;
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nsCOMPtr<nsIContentSink> mContentSink;
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public:
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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Promise* Ready();
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void TriggerInitialTranslation();
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already_AddRefed<Promise> TranslateDocument(ErrorResult& aRv);
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void InitialTranslationCompleted();
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Document* GetDocument() { return mDocument; };
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void OnCreatePresShell();
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void ConnectRoot(nsINode& aNode, bool aTranslate, ErrorResult& aRv);
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DocumentL10nState GetState() { return mState; };
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bool mBlockingLayout = false;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_l10n_DocumentL10n_h
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