Files
react-native/ReactCommon/fabric/components/textinput/androidtextinput/AndroidTextInputShadowNode.h
T
Joshua Gross 254ebab1d2 AndroidTextInput: don't set TextInput value to placeholder; use eventCounter prop to send tree updates via state
Summary:
Fix (1) placeholder (2) modifying TextInput in Fabric on Android.

Changelog: [internal]

Reviewed By: mdvacca

Differential Revision: D18894538

fbshipit-source-id: 21103f56e6f6e108fcf6359a23c9dd9a0323250e
2019-12-09 14:44:36 -08:00

75 lines
2.1 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include "AndroidTextInputEventEmitter.h"
#include "AndroidTextInputProps.h"
#include "AndroidTextInputState.h"
#include <react/components/view/ConcreteViewShadowNode.h>
#include <react/utils/ContextContainer.h>
#include <react/attributedstring/AttributedString.h>
namespace facebook {
namespace react {
extern const char AndroidTextInputComponentName[];
/*
* `ShadowNode` for <AndroidTextInput> component.
*/
class AndroidTextInputShadowNode : public ConcreteViewShadowNode<
AndroidTextInputComponentName,
AndroidTextInputProps,
AndroidTextInputEventEmitter,
AndroidTextInputState> {
public:
using ConcreteViewShadowNode::ConcreteViewShadowNode;
void setContextContainer(ContextContainer *contextContainer);
/*
* Returns a `AttributedString` which represents text content of the node.
*/
AttributedString getAttributedString() const;
AttributedString getPlaceholderAttributedString() const;
/*
* Associates a shared TextLayoutManager with the node.
* `ParagraphShadowNode` uses the manager to measure text content
* and construct `ParagraphState` objects.
*/
void setTextLayoutManager(SharedTextLayoutManager textLayoutManager);
#pragma mark - LayoutableShadowNode
Size measure(LayoutConstraints layoutConstraints) const override;
void layout(LayoutContext layoutContext) override;
private:
ContextContainer *contextContainer_{};
/*
* Creates a `State` object (with `AttributedText` and
* `TextLayoutManager`) if needed.
*/
void updateStateIfNeeded();
SharedTextLayoutManager textLayoutManager_;
/*
* Cached attributed string that represents the content of the subtree started
* from the node.
*/
mutable folly::Optional<AttributedString> cachedAttributedString_{};
};
} // namespace react
} // namespace facebook