Files
react-native/ReactAndroid/src/main/java/com/facebook/react/flat/DrawCommand.java
T
Denis Koroskin 7db444c9ae Pass FlatViewGroup to DrawCommand.draw()
Summary: @public To render `View`s inside `FlatViewGroup`, we need to pass the parent to `DrawCommand.draw()` method. Used in a followup diff.

Reviewed By: sriramramani

Differential Revision: D2564478
2016-12-19 13:40:16 -08:00

30 lines
986 B
Java

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.flat;
import android.graphics.Canvas;
/**
* DrawCommand is an inteface that shadow nodes need to implement to do the drawing.
* Instaces of DrawCommand are created in background thread and passed to UI thread.
* Once a DrawCommand is shared with UI thread, it can no longer be mutated in background thread.
*/
public interface DrawCommand {
// used by StateBuilder, FlatViewGroup and FlatShadowNode
/* package */ static final DrawCommand[] EMPTY_ARRAY = new DrawCommand[0];
/**
* Performs drawing into the given canvas.
*
* @param canvas The canvas to draw into
*/
public void draw(FlatViewGroup parent, Canvas canvas);
}