/**
* 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.views.textinput;
import javax.annotation.Nullable;
import javax.annotation.OverridingMethodsMustInvokeSuper;
import android.os.Build;
import android.text.Layout;
import android.text.Spannable;
import android.util.TypedValue;
import android.view.ViewGroup;
import android.widget.EditText;
import com.facebook.yoga.YogaDirection;
import com.facebook.yoga.YogaMeasureMode;
import com.facebook.yoga.YogaMeasureFunction;
import com.facebook.yoga.YogaNodeAPI;
import com.facebook.yoga.YogaMeasureOutput;
import com.facebook.infer.annotation.Assertions;
import com.facebook.react.bridge.JSApplicationIllegalArgumentException;
import com.facebook.react.common.annotations.VisibleForTesting;
import com.facebook.react.uimanager.PixelUtil;
import com.facebook.react.uimanager.Spacing;
import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.uimanager.UIViewOperationQueue;
import com.facebook.react.uimanager.ViewDefaults;
import com.facebook.react.uimanager.ViewProps;
import com.facebook.react.uimanager.annotations.ReactProp;
import com.facebook.react.views.view.MeasureUtil;
import com.facebook.react.views.text.ReactTextShadowNode;
import com.facebook.react.views.text.ReactTextUpdate;
@VisibleForTesting
public class ReactTextInputShadowNode extends ReactTextShadowNode implements
YogaMeasureFunction {
private @Nullable EditText mEditText;
private @Nullable float[] mComputedPadding;
private int mJsEventCount = UNSET;
public ReactTextInputShadowNode() {
mTextBreakStrategy = (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) ?
0 : Layout.BREAK_STRATEGY_SIMPLE;
setMeasureFunction(this);
}
@Override
public void setThemedContext(ThemedReactContext themedContext) {
super.setThemedContext(themedContext);
// TODO #7120264: cache this stuff better
mEditText = new EditText(getThemedContext());
// This is needed to fix an android bug since 4.4.3 which will throw an NPE in measure,
// setting the layoutParams fixes it: https://code.google.com/p/android/issues/detail?id=75877
mEditText.setLayoutParams(
new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT));
setDefaultPadding(Spacing.START, mEditText.getPaddingStart());
setDefaultPadding(Spacing.TOP, mEditText.getPaddingTop());
setDefaultPadding(Spacing.END, mEditText.getPaddingEnd());
setDefaultPadding(Spacing.BOTTOM, mEditText.getPaddingBottom());
mComputedPadding = new float[] {
getPadding(Spacing.START),
getPadding(Spacing.TOP),
getPadding(Spacing.END),
getPadding(Spacing.BOTTOM),
};
}
@Override
public long measure(
YogaNodeAPI node,
float width,
YogaMeasureMode widthMode,
float height,
YogaMeasureMode heightMode) {
// measure() should never be called before setThemedContext()
EditText editText = Assertions.assertNotNull(mEditText);
editText.setTextSize(
TypedValue.COMPLEX_UNIT_PX,
mFontSize == UNSET ?
(int) Math.ceil(PixelUtil.toPixelFromSP(ViewDefaults.FONT_SIZE_SP)) : mFontSize);
mComputedPadding = new float[] {
getPadding(Spacing.START),
getPadding(Spacing.TOP),
getPadding(Spacing.END),
getPadding(Spacing.BOTTOM),
};
editText.setPadding(
(int) Math.floor(getPadding(Spacing.START)),
(int) Math.floor(getPadding(Spacing.TOP)),
(int) Math.floor(getPadding(Spacing.END)),
(int) Math.floor(getPadding(Spacing.BOTTOM)));
if (mNumberOfLines != UNSET) {
editText.setLines(mNumberOfLines);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (editText.getBreakStrategy() != mTextBreakStrategy) {
editText.setBreakStrategy(mTextBreakStrategy);
}
}
editText.measure(
MeasureUtil.getMeasureSpec(width, widthMode),
MeasureUtil.getMeasureSpec(height, heightMode));
return YogaMeasureOutput.make(editText.getMeasuredWidth(), editText.getMeasuredHeight());
}
@Override
public void onBeforeLayout() {
// We don't have to measure the text within the text input.
return;
}
@ReactProp(name = "mostRecentEventCount")
public void setMostRecentEventCount(int mostRecentEventCount) {
mJsEventCount = mostRecentEventCount;
}
@Override
public void setTextBreakStrategy(@Nullable String textBreakStrategy) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
return;
}
if (textBreakStrategy == null || "simple".equals(textBreakStrategy)) {
mTextBreakStrategy = Layout.BREAK_STRATEGY_SIMPLE;
} else if ("highQuality".equals(textBreakStrategy)) {
mTextBreakStrategy = Layout.BREAK_STRATEGY_HIGH_QUALITY;
} else if ("balanced".equals(textBreakStrategy)) {
mTextBreakStrategy = Layout.BREAK_STRATEGY_BALANCED;
} else {
throw new JSApplicationIllegalArgumentException("Invalid textBreakStrategy: " + textBreakStrategy);
}
}
@Override
public void onCollectExtraUpdates(UIViewOperationQueue uiViewOperationQueue) {
super.onCollectExtraUpdates(uiViewOperationQueue);
if (mComputedPadding != null) {
float[] updatedPadding = mComputedPadding;
if (getLayoutDirection() == YogaDirection.RTL) {
updatedPadding = new float[] {
getPadding(Spacing.END),
getPadding(Spacing.TOP),
getPadding(Spacing.START),
getPadding(Spacing.BOTTOM),
};
}
uiViewOperationQueue.enqueueUpdateExtraData(getReactTag(), updatedPadding);
mComputedPadding = null;
}
if (mJsEventCount != UNSET) {
Spannable preparedSpannableText = fromTextCSSNode(this);
ReactTextUpdate reactTextUpdate =
new ReactTextUpdate(
preparedSpannableText,
mJsEventCount,
mContainsImages,
getPadding(Spacing.START),
getPadding(Spacing.TOP),
getPadding(Spacing.END),
getPadding(Spacing.BOTTOM),
mTextAlign,
mTextBreakStrategy
);
uiViewOperationQueue.enqueueUpdateExtraData(getReactTag(), reactTextUpdate);
}
}
@Override
public void setPadding(int spacingType, float padding) {
super.setPadding(spacingType, padding);
mComputedPadding = new float[] {
getPadding(Spacing.START),
getPadding(Spacing.TOP),
getPadding(Spacing.END),
getPadding(Spacing.BOTTOM),
};
markUpdated();
}
}