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ReactSwitchManager.java

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* 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.

// switchview because switch is a keyword

package com.facebook.react.views.switchview;

import android.content.Context;

import android.view.View;

import android.widget.CompoundButton;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;

import com.facebook.react.bridge.ReactContext;

import com.facebook.react.bridge.ReadableArray;

import com.facebook.react.bridge.ReadableMap;

import com.facebook.react.uimanager.LayoutShadowNode;

import com.facebook.react.uimanager.PixelUtil;

import com.facebook.react.uimanager.SimpleViewManager;

import com.facebook.react.uimanager.ThemedReactContext;

import com.facebook.react.uimanager.UIManagerModule;

import com.facebook.react.uimanager.ViewManagerDelegate;

import com.facebook.react.uimanager.ViewProps;

import com.facebook.react.uimanager.annotations.ReactProp;

import com.facebook.react.viewmanagers.AndroidSwitchManagerDelegate;

import com.facebook.react.viewmanagers.AndroidSwitchManagerInterface;

import com.facebook.yoga.YogaMeasureFunction;

import com.facebook.yoga.YogaMeasureMode;

import com.facebook.yoga.YogaMeasureOutput;

import com.facebook.yoga.YogaNode;

/** View manager for {@link ReactSwitch} components. */

public class ReactSwitchManager extends SimpleViewManager<ReactSwitch>

implements AndroidSwitchManagerInterface<ReactSwitch> {

public static final String REACT_CLASS = "AndroidSwitch";

static class ReactSwitchShadowNode extends LayoutShadowNode implements YogaMeasureFunction {

private int mWidth;

private int mHeight;

private boolean mMeasured;

private ReactSwitchShadowNode() {

initMeasureFunction();

}

private void initMeasureFunction() {

setMeasureFunction(this);

}

@Override

public long measure(

YogaNode node,

float width,

YogaMeasureMode widthMode,

float height,

YogaMeasureMode heightMode) {

if (!mMeasured) {

// Create a switch with the default config and measure it; since we don't (currently)

// support setting custom switch text, this is fine, as all switches will measure the same

// on a specific device/theme/locale combination.

ReactSwitch reactSwitch = new ReactSwitch(getThemedContext());

reactSwitch.setShowText(false);

final int spec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);

reactSwitch.measure(spec, spec);

mWidth = reactSwitch.getMeasuredWidth();

mHeight = reactSwitch.getMeasuredHeight();

mMeasured = true;

}

return YogaMeasureOutput.make(mWidth, mHeight);

}

private static final CompoundButton.OnCheckedChangeListener ON_CHECKED_CHANGE_LISTENER =

new CompoundButton.OnCheckedChangeListener() {

@Override

public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

ReactContext reactContext = (ReactContext) buttonView.getContext();

UIManagerModule uiManager = reactContext.getNativeModule(UIManagerModule.class);

if (uiManager == null) {

return;

}

uiManager

.getEventDispatcher()

.dispatchEvent(new ReactSwitchEvent(buttonView.getId(), isChecked));

}

};

private final ViewManagerDelegate<ReactSwitch> mDelegate;

public ReactSwitchManager() {

mDelegate = new AndroidSwitchManagerDelegate<>(this);

}

@Override

public String getName() {

return REACT_CLASS;

}

@Override

public LayoutShadowNode createShadowNodeInstance() {

return new ReactSwitchShadowNode();

}

@Override

public Class getShadowNodeClass() {

return ReactSwitchShadowNode.class;

}

@Override

protected ReactSwitch createViewInstance(ThemedReactContext context) {

ReactSwitch view = new ReactSwitch(context);

view.setShowText(false);

return view;

}

@Override

@ReactProp(name = "disabled", defaultBoolean = false)

public void setDisabled(ReactSwitch view, boolean disabled) {

view.setEnabled(!disabled);

}

@Override

@ReactProp(name = ViewProps.ENABLED, defaultBoolean = true)

public void setEnabled(ReactSwitch view, boolean enabled) {

view.setEnabled(enabled);

}

@Override

@ReactProp(name = ViewProps.ON)

public void setOn(ReactSwitch view, boolean on) {

setValueInternal(view, on);

}

@Override

@ReactProp(name = "value")

public void setValue(ReactSwitch view, boolean value) {

setValueInternal(view, value);

}

@Override

@ReactProp(name = "thumbTintColor", customType = "Color")

public void setThumbTintColor(ReactSwitch view, @Nullable Integer color) {

this.setThumbColor(view, color);

}

@Override

@ReactProp(name = "thumbColor", customType = "Color")

public void setThumbColor(ReactSwitch view, @Nullable Integer color) {

view.setThumbColor(color);

}

@Override

@ReactProp(name = "trackColorForFalse", customType = "Color")

public void setTrackColorForFalse(ReactSwitch view, @Nullable Integer color) {

view.setTrackColorForFalse(color);

}

@Override

@ReactProp(name = "trackColorForTrue", customType = "Color")

public void setTrackColorForTrue(ReactSwitch view, @Nullable Integer color) {

view.setTrackColorForTrue(color);

}

@Override

@ReactProp(name = "trackTintColor", customType = "Color")

public void setTrackTintColor(ReactSwitch view, @Nullable Integer color) {

view.setTrackColor(color);

}

@Override

@ReactProp(name = "width")

public void setWidth(ReactSwitch view, @Nullable float width) {

view.setWidth(width);

}

@Override

public void setNativeValue(ReactSwitch view, boolean value) {

setValueInternal(view, value);

}

@Override

public void receiveCommand(

@NonNull ReactSwitch view, String commandId, @Nullable ReadableArray args) {

switch (commandId) {

case "setNativeValue":

setValueInternal(view, args != null && args.getBoolean(0));

break;

}

@Override

protected void addEventEmitters(final ThemedReactContext reactContext, final ReactSwitch view) {

view.setOnCheckedChangeListener(ON_CHECKED_CHANGE_LISTENER);

}

@Override

protected ViewManagerDelegate<ReactSwitch> getDelegate() {

return mDelegate;

}

@Override

public long measure(

Context context,

ReadableMap localData,

ReadableMap props,

ReadableMap state,

float width,

YogaMeasureMode widthMode,

float height,

YogaMeasureMode heightMode,

@Nullable float[] attachmentsPositions) {

ReactSwitch view = new ReactSwitch(context);

view.setShowText(false);

int measureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);

view.measure(measureSpec, measureSpec);

return YogaMeasureOutput.make(

PixelUtil.toDIPFromPixel(view.getMeasuredWidth()),

PixelUtil.toDIPFromPixel(view.getMeasuredHeight()));

}

private static void setValueInternal(ReactSwitch view, boolean value) {

// we set the checked change listener to null and then restore it so that we don't fire an

// onChange event to JS when JS itself is updating the value of the switch

view.setOnCheckedChangeListener(null);

view.setOn(value);

view.setOnCheckedChangeListener(ON_CHECKED_CHANGE_LISTENER);

}

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/*
 * 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.
 */

// switchview because switch is a keyword
package com.facebook.react.views.switchview;

import android.content.Context;
import android.view.View;
import android.widget.CompoundButton;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.uimanager.LayoutShadowNode;
import com.facebook.react.uimanager.PixelUtil;
import com.facebook.react.uimanager.SimpleViewManager;
import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.uimanager.UIManagerModule;
import com.facebook.react.uimanager.ViewManagerDelegate;
import com.facebook.react.uimanager.ViewProps;
import com.facebook.react.uimanager.annotations.ReactProp;
import com.facebook.react.viewmanagers.AndroidSwitchManagerDelegate;
import com.facebook.react.viewmanagers.AndroidSwitchManagerInterface;
import com.facebook.yoga.YogaMeasureFunction;
import com.facebook.yoga.YogaMeasureMode;
import com.facebook.yoga.YogaMeasureOutput;
import com.facebook.yoga.YogaNode;

/** View manager for {@link ReactSwitch} components. */
public class ReactSwitchManager extends SimpleViewManager<ReactSwitch>
    implements AndroidSwitchManagerInterface<ReactSwitch> {

public static final String REACT_CLASS = "AndroidSwitch";

static class ReactSwitchShadowNode extends LayoutShadowNode implements YogaMeasureFunction {

private int mWidth;
    private int mHeight;
    private boolean mMeasured;

private ReactSwitchShadowNode() {
      initMeasureFunction();
    }

private void initMeasureFunction() {
      setMeasureFunction(this);
    }

@Override
    public long measure(
        YogaNode node,
        float width,
        YogaMeasureMode widthMode,
        float height,
        YogaMeasureMode heightMode) {
      if (!mMeasured) {
        // Create a switch with the default config and measure it; since we don't (currently)
        // support setting custom switch text, this is fine, as all switches will measure the same
        // on a specific device/theme/locale combination.
        ReactSwitch reactSwitch = new ReactSwitch(getThemedContext());
        reactSwitch.setShowText(false);
        final int spec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
        reactSwitch.measure(spec, spec);
        mWidth = reactSwitch.getMeasuredWidth();
        mHeight = reactSwitch.getMeasuredHeight();
        mMeasured = true;
      }

return YogaMeasureOutput.make(mWidth, mHeight);
    }
  }

private static final CompoundButton.OnCheckedChangeListener ON_CHECKED_CHANGE_LISTENER =
      new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
          ReactContext reactContext = (ReactContext) buttonView.getContext();

UIManagerModule uiManager = reactContext.getNativeModule(UIManagerModule.class);

if (uiManager == null) {
            return;
          }

uiManager
              .getEventDispatcher()
              .dispatchEvent(new ReactSwitchEvent(buttonView.getId(), isChecked));
        }
      };

private final ViewManagerDelegate<ReactSwitch> mDelegate;

public ReactSwitchManager() {
    mDelegate = new AndroidSwitchManagerDelegate<>(this);
  }

@Override
  public String getName() {
    return REACT_CLASS;
  }

@Override
  public LayoutShadowNode createShadowNodeInstance() {
    return new ReactSwitchShadowNode();
  }

@Override
  public Class getShadowNodeClass() {
    return ReactSwitchShadowNode.class;
  }

@Override
  protected ReactSwitch createViewInstance(ThemedReactContext context) {
    ReactSwitch view = new ReactSwitch(context);
    view.setShowText(false);
    return view;
  }

@Override
  @ReactProp(name = "disabled", defaultBoolean = false)
  public void setDisabled(ReactSwitch view, boolean disabled) {
    view.setEnabled(!disabled);
  }

@Override
  @ReactProp(name = ViewProps.ENABLED, defaultBoolean = true)
  public void setEnabled(ReactSwitch view, boolean enabled) {
    view.setEnabled(enabled);
  }

@Override
  @ReactProp(name = ViewProps.ON)
  public void setOn(ReactSwitch view, boolean on) {
    setValueInternal(view, on);
  }

@Override
  @ReactProp(name = "value")
  public void setValue(ReactSwitch view, boolean value) {
    setValueInternal(view, value);
  }

@Override
  @ReactProp(name = "thumbTintColor", customType = "Color")
  public void setThumbTintColor(ReactSwitch view, @Nullable Integer color) {
    this.setThumbColor(view, color);
  }

@Override
  @ReactProp(name = "thumbColor", customType = "Color")
  public void setThumbColor(ReactSwitch view, @Nullable Integer color) {
    view.setThumbColor(color);
  }

@Override
  @ReactProp(name = "trackColorForFalse", customType = "Color")
  public void setTrackColorForFalse(ReactSwitch view, @Nullable Integer color) {
    view.setTrackColorForFalse(color);
  }

@Override
  @ReactProp(name = "trackColorForTrue", customType = "Color")
  public void setTrackColorForTrue(ReactSwitch view, @Nullable Integer color) {
    view.setTrackColorForTrue(color);
  }

@Override
  @ReactProp(name = "trackTintColor", customType = "Color")
  public void setTrackTintColor(ReactSwitch view, @Nullable Integer color) {
    view.setTrackColor(color);
  }

@Override
  public void setNativeValue(ReactSwitch view, boolean value) {
    setValueInternal(view, value);
  }

@Override
  public void receiveCommand(
      @NonNull ReactSwitch view, String commandId, @Nullable ReadableArray args) {
    switch (commandId) {
      case "setNativeValue":
        setValueInternal(view, args != null && args.getBoolean(0));
        break;
    }
  }

@Override
  protected void addEventEmitters(final ThemedReactContext reactContext, final ReactSwitch view) {
    view.setOnCheckedChangeListener(ON_CHECKED_CHANGE_LISTENER);
  }

@Override
  protected ViewManagerDelegate<ReactSwitch> getDelegate() {
    return mDelegate;
  }

@Override
  public long measure(
      Context context,
      ReadableMap localData,
      ReadableMap props,
      ReadableMap state,
      float width,
      YogaMeasureMode widthMode,
      float height,
      YogaMeasureMode heightMode,
      @Nullable float[] attachmentsPositions) {
    ReactSwitch view = new ReactSwitch(context);
    view.setShowText(false);
    int measureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    view.measure(measureSpec, measureSpec);
    return YogaMeasureOutput.make(
        PixelUtil.toDIPFromPixel(view.getMeasuredWidth()),
        PixelUtil.toDIPFromPixel(view.getMeasuredHeight()));
  }

private static void setValueInternal(ReactSwitch view, boolean value) {
    // we set the checked change listener to null and then restore it so that we don't fire an
    // onChange event to JS when JS itself is updating the value of the switch
    view.setOnCheckedChangeListener(null);
    view.setOn(value);
    view.setOnCheckedChangeListener(ON_CHECKED_CHANGE_LISTENER);
  }
}

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