mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
ec9da43de5
Summary: Changelog: [internal] Rename `LayoutableShadowNode::measure` to `LayoutableShadowNode::measureContent` and add LayoutContext as parameter. Pass `LayoutConstraints` by reference rather than value. Reviewed By: shergin Differential Revision: D22043727 fbshipit-source-id: b668240c45b658db5b114630b73d7407d35482aa
89 lines
2.5 KiB
C++
89 lines
2.5 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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static ShadowNodeTraits BaseTraits() {
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auto traits = ConcreteViewShadowNode::BaseTraits();
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traits.set(ShadowNodeTraits::Trait::TextKind);
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traits.set(ShadowNodeTraits::Trait::LeafYogaNode);
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return traits;
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}
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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() const;
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AttributedString getPlaceholderAttributedString() 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 measureContent(
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LayoutContext const &layoutContext,
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LayoutConstraints const &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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* Get the most up-to-date attributed string for measurement and State.
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*/
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AttributedString getMostRecentAttributedString() const;
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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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