mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Joshua Gross
98b8a17645
Summary: In C++ we return default/placeholder text instead of text in `getAttributedString` so that measurement is correct. This is fine but we shouldn't actually set the attributedString on the ReactEditText view. Changelog: [Internal] Reviewed By: mdvacca Differential Revision: D18672369 fbshipit-source-id: 1bb5cddda3cf78f2cff6f805e67c8994ab32ee7c
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its 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 "AndroidTextInputEventEmitter.h"
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#include "AndroidTextInputProps.h"
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#include "AndroidTextInputState.h"
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#include <react/components/view/ConcreteViewShadowNode.h>
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#include <react/utils/ContextContainer.h>
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#include <react/attributedstring/AttributedString.h>
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namespace facebook {
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namespace react {
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extern const char AndroidTextInputComponentName[];
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/*
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* `ShadowNode` for <AndroidTextInput> component.
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*/
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class AndroidTextInputShadowNode : public ConcreteViewShadowNode<
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AndroidTextInputComponentName,
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AndroidTextInputProps,
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AndroidTextInputEventEmitter,
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AndroidTextInputState> {
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public:
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using ConcreteViewShadowNode::ConcreteViewShadowNode;
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void setContextContainer(ContextContainer *contextContainer);
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/*
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* Returns a `AttributedString` which represents text content of the node.
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*/
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AttributedString getAttributedString(bool usePlaceholders) const;
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/*
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* Associates a shared TextLayoutManager with the node.
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* `ParagraphShadowNode` uses the manager to measure text content
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* and construct `ParagraphState` objects.
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*/
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void setTextLayoutManager(SharedTextLayoutManager textLayoutManager);
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#pragma mark - LayoutableShadowNode
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Size measure(LayoutConstraints layoutConstraints) const override;
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void layout(LayoutContext layoutContext) override;
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private:
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ContextContainer *contextContainer_{};
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/*
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* Creates a `State` object (with `AttributedText` and
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* `TextLayoutManager`) if needed.
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*/
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void updateStateIfNeeded();
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SharedTextLayoutManager textLayoutManager_;
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/*
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* Cached attributed string that represents the content of the subtree started
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* from the node.
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*/
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mutable folly::Optional<AttributedString> cachedAttributedString_{};
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};
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} // namespace react
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} // namespace facebook
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