react-native/ReactCommon/fabric/textlayoutmanager/platform/android/TextLayoutManager.h

59 lines
1.4 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 <memory>
#include <fabric/attributedstring/AttributedString.h>
#include <fabric/attributedstring/ParagraphAttributes.h>
#include <fabric/core/LayoutConstraints.h>
#include <fabric/uimanager/ContextContainer.h>
namespace facebook {
namespace react {
class TextLayoutManager;
using SharedTextLayoutManager = std::shared_ptr<const TextLayoutManager>;
/*
* Cross platform facade for Android-specific TextLayoutManager.
*/
class TextLayoutManager {
public:
TextLayoutManager(const SharedContextContainer &contextContainer) : contextContainer_(contextContainer) {};
~TextLayoutManager();
/*
* Measures `attributedString` using native text rendering infrastructure.
*/
Size measure(
Tag reactTag,
AttributedString attributedString,
ParagraphAttributes paragraphAttributes,
LayoutConstraints layoutConstraints
) const;
/*
* Returns an opaque pointer to platform-specific TextLayoutManager.
* Is used on a native views layer to delegate text rendering to the manager.
*/
void *getNativeTextLayoutManager() const;
private:
void *self_;
SharedContextContainer contextContainer_;
};
} // namespace react
} // namespace facebook