mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Joshua Gross
04c75ba988
Summary: Support MapBuffer in TextInput State. Changelog: [Internal] Reviewed By: NickGerleman Differential Revision: D38546271 fbshipit-source-id: 93e7fd79d9d8473dd646410f3047fcfafa8516f1
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <react/debug/react_native_assert.h>
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#include <react/renderer/attributedstring/AttributedString.h>
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#include <react/renderer/attributedstring/ParagraphAttributes.h>
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#include <react/renderer/textlayoutmanager/TextLayoutManager.h>
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#ifdef ANDROID
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#include <folly/dynamic.h>
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#include <react/renderer/mapbuffer/MapBuffer.h>
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#endif
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namespace facebook {
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namespace react {
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#ifdef ANDROID
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// constants for Text State serialization
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constexpr static MapBuffer::Key TX_STATE_KEY_ATTRIBUTED_STRING = 0;
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constexpr static MapBuffer::Key TX_STATE_KEY_PARAGRAPH_ATTRIBUTES = 1;
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// Used for TextInput only
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constexpr static MapBuffer::Key TX_STATE_KEY_HASH = 2;
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constexpr static MapBuffer::Key TX_STATE_KEY_MOST_RECENT_EVENT_COUNT = 3;
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#endif
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/*
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* State for <Paragraph> component.
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* Represents what to render and how to render.
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*/
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class ParagraphState final {
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public:
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/*
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* All content of <Paragraph> component represented as an `AttributedString`.
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*/
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AttributedString attributedString;
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/*
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* Represents all visual attributes of a paragraph of text represented as
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* a ParagraphAttributes.
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*/
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ParagraphAttributes paragraphAttributes;
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/*
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* `TextLayoutManager` provides a connection to platform-specific
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* text rendering infrastructure which is capable to render the
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* `AttributedString`.
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* This is not on every platform. This is not used on Android, but is
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* used on the iOS mounting layer.
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*/
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std::weak_ptr<TextLayoutManager const> layoutManager;
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#ifdef ANDROID
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ParagraphState(
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AttributedString const &attributedString,
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ParagraphAttributes const ¶graphAttributes,
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std::weak_ptr<const TextLayoutManager> const &layoutManager)
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: attributedString(attributedString),
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paragraphAttributes(paragraphAttributes),
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layoutManager(layoutManager) {}
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ParagraphState() = default;
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ParagraphState(
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ParagraphState const &previousState,
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folly::dynamic const &data) {
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react_native_assert(false && "Not supported");
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};
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folly::dynamic getDynamic() const;
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MapBuffer getMapBuffer() const;
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#endif
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};
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} // namespace react
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} // namespace facebook
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