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ReactEditText.java
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ReactEditText.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.
*/
package com.facebook.react.views.textinput;
import static com.facebook.react.uimanager.UIManagerHelper.getReactContext;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Bundle;
import android.text.Editable;
import android.text.InputType;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.text.method.KeyListener;
import android.text.method.QwertyKeyListener;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodManager;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.AppCompatEditText;
import androidx.core.view.AccessibilityDelegateCompat;
import androidx.core.view.ViewCompat;
import com.facebook.infer.annotation.Assertions;
import com.facebook.react.bridge.JavaOnlyMap;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.uimanager.StateWrapper;
import com.facebook.react.uimanager.UIManagerModule;
import com.facebook.react.views.text.ReactSpan;
import com.facebook.react.views.text.ReactTextUpdate;
import com.facebook.react.views.text.ReactTypefaceUtils;
import com.facebook.react.views.text.TextAttributes;
import com.facebook.react.views.text.TextInlineImageSpan;
import com.facebook.react.views.view.ReactViewBackgroundManager;
import java.util.ArrayList;
/**
* A wrapper around the EditText that lets us better control what happens when an EditText gets
* focused or blurred, and when to display the soft keyboard and when not to.
*
* <p>ReactEditTexts have setFocusableInTouchMode set to false automatically because touches on the
* EditText are managed on the JS side. This also removes the nasty side effect that EditTexts have,
* which is that focus is always maintained on one of the EditTexts.
*
* <p>The wrapper stops the EditText from triggering *TextChanged events, in the case where JS has
* called this explicitly. This is the default behavior on other platforms as well.
* VisibleForTesting from {@link TextInputEventsTestCase}.
*/
public class ReactEditText extends AppCompatEditText {
private final InputMethodManager mInputMethodManager;
// This flag is set to true when we set the text of the EditText explicitly. In that case, no
// *TextChanged events should be triggered. This is less expensive than removing the text
// listeners and adding them back again after the text change is completed.
protected boolean mIsSettingTextFromJS;
private int mDefaultGravityHorizontal;
private int mDefaultGravityVertical;
/** A count of events sent to JS or C++. */
protected int mNativeEventCount;
private static final int UNSET = -1;
private @Nullable ArrayList<TextWatcher> mListeners;
private @Nullable TextWatcherDelegator mTextWatcherDelegator;
private int mStagedInputType;
protected boolean mContainsImages;
private @Nullable Boolean mBlurOnSubmit;
private boolean mDisableFullscreen;
private @Nullable String mReturnKeyType;
private @Nullable SelectionWatcher mSelectionWatcher;
private @Nullable ContentSizeWatcher mContentSizeWatcher;
private @Nullable ScrollWatcher mScrollWatcher;
private final InternalKeyListener mKeyListener;
private boolean mDetectScrollMovement = false;
private boolean mOnKeyPress = false;
private TextAttributes mTextAttributes;
private boolean mTypefaceDirty = false;
private @Nullable String mFontFamily = null;
private int mFontWeight = ReactTypefaceUtils.UNSET;
private int mFontStyle = ReactTypefaceUtils.UNSET;
private boolean mAutoFocus = false;
private boolean mDidAttachToWindow = false;
private ReactViewBackgroundManager mReactBackgroundManager;
protected @Nullable JavaOnlyMap mAttributedString = null;
protected @Nullable StateWrapper mStateWrapper = null;
protected boolean mDisableTextDiffing = false;
protected boolean mIsSettingTextFromState = false;
private static final KeyListener sKeyListener = QwertyKeyListener.getInstanceForFullKeyboard();
public ReactEditText(Context context) {
super(context);
setFocusableInTouchMode(false);
mReactBackgroundManager = new ReactViewBackgroundManager(this);
mInputMethodManager =
(InputMethodManager)
Assertions.assertNotNull(context.getSystemService(Context.INPUT_METHOD_SERVICE));
mDefaultGravityHorizontal =
getGravity() & (Gravity.HORIZONTAL_GRAVITY_MASK | Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK);
mDefaultGravityVertical = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
mNativeEventCount = 0;
mIsSettingTextFromJS = false;
mBlurOnSubmit = null;
mDisableFullscreen = false;
mListeners = null;
mTextWatcherDelegator = null;
mStagedInputType = getInputType();
mKeyListener = new InternalKeyListener();
mScrollWatcher = null;
mTextAttributes = new TextAttributes();
applyTextAttributes();
// Turn off hardware acceleration for Oreo (T40484798)
// see https://issuetracker.google.com/issues/67102093
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
&& Build.VERSION.SDK_INT <= Build.VERSION_CODES.O_MR1) {
setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
ViewCompat.setAccessibilityDelegate(
this,
new AccessibilityDelegateCompat() {
@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
if (action == AccessibilityNodeInfo.ACTION_CLICK) {
return requestFocusInternal();
}
return super.performAccessibilityAction(host, action, args);
}
});
}
// After the text changes inside an EditText, TextView checks if a layout() has been requested.
// If it has, it will not scroll the text to the end of the new text inserted, but wait for the
// next layout() to be called. However, we do not perform a layout() after a requestLayout(), so
// we need to override isLayoutRequested to force EditText to scroll to the end of the new text
// immediately.
// TODO: t6408636 verify if we should schedule a layout after a View does a requestLayout()
@Override
public boolean isLayoutRequested() {
return false;
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
onContentSizeChange();
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
mDetectScrollMovement = true;
// Disallow parent views to intercept touch events, until we can detect if we should be
// capturing these touches or not.
this.getParent().requestDisallowInterceptTouchEvent(true);
break;
case MotionEvent.ACTION_MOVE:
if (mDetectScrollMovement) {
if (!canScrollVertically(-1)
&& !canScrollVertically(1)
&& !canScrollHorizontally(-1)
&& !canScrollHorizontally(1)) {
// We cannot scroll, let parent views take care of these touches.
this.getParent().requestDisallowInterceptTouchEvent(false);
}
mDetectScrollMovement = false;
}
break;
}
return super.onTouchEvent(ev);
}
// Consume 'Enter' key events: TextView tries to give focus to the next TextInput, but it can't
// since we only allow JS to change focus, which in turn causes TextView to crash.
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER && !isMultiline()) {
hideSoftKeyboard();
return true;
}
return super.onKeyUp(keyCode, event);
}
@Override
protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) {
super.onScrollChanged(horiz, vert, oldHoriz, oldVert);
if (mScrollWatcher != null) {
mScrollWatcher.onScrollChanged(horiz, vert, oldHoriz, oldVert);
}
}
@Override
public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
ReactContext reactContext = getReactContext(this);
InputConnection inputConnection = super.onCreateInputConnection(outAttrs);
if (inputConnection != null && mOnKeyPress) {
inputConnection =
new ReactEditTextInputConnectionWrapper(inputConnection, reactContext, this);
}
if (isMultiline() && getBlurOnSubmit()) {
// Remove IME_FLAG_NO_ENTER_ACTION to keep the original IME_OPTION
outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION;
}
return inputConnection;
}
@Override
public void clearFocus() {
setFocusableInTouchMode(false);
super.clearFocus();
hideSoftKeyboard();
}
@Override
public boolean requestFocus(int direction, Rect previouslyFocusedRect) {
// This is a no-op so that when the OS calls requestFocus(), nothing will happen. ReactEditText
// is a controlled component, which means its focus is controlled by JS, with two exceptions:
// autofocus when it's attached to the window, and responding to accessibility events. In both
// of these cases, we call requestFocusInternal() directly.
return isFocused();
}
private boolean requestFocusInternal() {
setFocusableInTouchMode(true);
// We must explicitly call this method on the super class; if we call requestFocus() without
// any arguments, it will call into the overridden requestFocus(int, Rect) above, which no-ops.
boolean focused = super.requestFocus(View.FOCUS_DOWN, null);
if (getShowSoftInputOnFocus()) {
showSoftKeyboard();
}
return focused;
}
@Override
public void addTextChangedListener(TextWatcher watcher) {
if (mListeners == null) {
mListeners = new ArrayList<>();
super.addTextChangedListener(getTextWatcherDelegator());
}
mListeners.add(watcher);
}
@Override
public void removeTextChangedListener(TextWatcher watcher) {
if (mListeners != null) {
mListeners.remove(watcher);
if (mListeners.isEmpty()) {
mListeners = null;
super.removeTextChangedListener(getTextWatcherDelegator());
}
}
}
public void setContentSizeWatcher(ContentSizeWatcher contentSizeWatcher) {
mContentSizeWatcher = contentSizeWatcher;
}
public void setScrollWatcher(ScrollWatcher scrollWatcher) {
mScrollWatcher = scrollWatcher;
}
/**
* Attempt to set a selection or fail silently. Intentionally meant to handle bad inputs.
* EventCounter is the same one used as with text.
*
* @param eventCounter
* @param start
* @param end
*/
public void maybeSetSelection(int eventCounter, int start, int end) {
if (!canUpdateWithEventCount(eventCounter)) {
return;
}
if (start != UNSET && end != UNSET) {
setSelection(start, end);
}
}
@Override
public void setSelection(int start, int end) {
super.setSelection(start, end);
}
@Override
protected void onSelectionChanged(int selStart, int selEnd) {
super.onSelectionChanged(selStart, selEnd);
if (mSelectionWatcher != null && hasFocus()) {
mSelectionWatcher.onSelectionChanged(selStart, selEnd);
}
}
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
super.onFocusChanged(focused, direction, previouslyFocusedRect);
if (focused && mSelectionWatcher != null) {
mSelectionWatcher.onSelectionChanged(getSelectionStart(), getSelectionEnd());
}
}
public void setSelectionWatcher(SelectionWatcher selectionWatcher) {
mSelectionWatcher = selectionWatcher;
}
public void setBlurOnSubmit(@Nullable Boolean blurOnSubmit) {
mBlurOnSubmit = blurOnSubmit;
}
public void setOnKeyPress(boolean onKeyPress) {
mOnKeyPress = onKeyPress;
}
public boolean getBlurOnSubmit() {
if (mBlurOnSubmit == null) {
// Default blurOnSubmit
return isMultiline() ? false : true;
}
return mBlurOnSubmit;
}
public void setDisableFullscreenUI(boolean disableFullscreenUI) {
mDisableFullscreen = disableFullscreenUI;
updateImeOptions();
}
public boolean getDisableFullscreenUI() {
return mDisableFullscreen;
}
public void setReturnKeyType(String returnKeyType) {
mReturnKeyType = returnKeyType;
updateImeOptions();
}
public String getReturnKeyType() {
return mReturnKeyType;
}
/*protected*/ int getStagedInputType() {
return mStagedInputType;
}
/*package*/ void setStagedInputType(int stagedInputType) {
mStagedInputType = stagedInputType;
}
/*package*/ void commitStagedInputType() {
if (getInputType() != mStagedInputType) {
int selectionStart = getSelectionStart();
int selectionEnd = getSelectionEnd();
setInputType(mStagedInputType);
setSelection(selectionStart, selectionEnd);
}
}
@Override
public void setInputType(int type) {
Typeface tf = super.getTypeface();
super.setInputType(type);
mStagedInputType = type;
// Input type password defaults to monospace font, so we need to re-apply the font
super.setTypeface(tf);
/**
* If set forces multiline on input, because of a restriction on Android source that enables
* multiline only for inputs of type Text and Multiline on method {@link
* android.widget.TextView#isMultilineInputType(int)}} Source: {@Link <a
* href='https://android.googlesource.com/platform/frameworks/base/+/jb-release/core/java/android/widget/TextView.java'>TextView.java</a>}
*/
if (isMultiline()) {
setSingleLine(false);
}
// We override the KeyListener so that all keys on the soft input keyboard as well as hardware
// keyboards work. Some KeyListeners like DigitsKeyListener will display the keyboard but not
// accept all input from it
mKeyListener.setInputType(type);
setKeyListener(mKeyListener);
}
public void setFontFamily(String fontFamily) {
mFontFamily = fontFamily;
mTypefaceDirty = true;
}
public void setFontWeight(String fontWeightString) {
int fontWeight = ReactTypefaceUtils.parseFontWeight(fontWeightString);
if (fontWeight != mFontWeight) {
mFontWeight = fontWeight;
mTypefaceDirty = true;
}
}
public void setFontStyle(String fontStyleString) {
int fontStyle = ReactTypefaceUtils.parseFontStyle(fontStyleString);
if (fontStyle != mFontStyle) {
mFontStyle = fontStyle;
mTypefaceDirty = true;
}
}
public void maybeUpdateTypeface() {
if (!mTypefaceDirty) {
return;
}
mTypefaceDirty = false;
Typeface newTypeface =
ReactTypefaceUtils.applyStyles(
getTypeface(), mFontStyle, mFontWeight, mFontFamily, getContext().getAssets());
setTypeface(newTypeface);
}
// VisibleForTesting from {@link TextInputEventsTestCase}.
public void requestFocusFromJS() {
requestFocusInternal();
}
/* package */ void clearFocusFromJS() {
clearFocus();
}
// VisibleForTesting from {@link TextInputEventsTestCase}.
public int incrementAndGetEventCounter() {
return ++mNativeEventCount;
}
public void maybeSetTextFromJS(ReactTextUpdate reactTextUpdate) {
mIsSettingTextFromJS = true;
maybeSetText(reactTextUpdate);
mIsSettingTextFromJS = false;
}
public void maybeSetTextFromState(ReactTextUpdate reactTextUpdate) {
mIsSettingTextFromState = true;
maybeSetText(reactTextUpdate);
mIsSettingTextFromState = false;
}
public boolean canUpdateWithEventCount(int eventCounter) {
return eventCounter >= mNativeEventCount;
}
// VisibleForTesting from {@link TextInputEventsTestCase}.
public void maybeSetText(ReactTextUpdate reactTextUpdate) {
if (isSecureText() && TextUtils.equals(getText(), reactTextUpdate.getText())) {
return;
}
// Only set the text if it is up to date.
if (!canUpdateWithEventCount(reactTextUpdate.getJsEventCounter())) {
return;
}
if (reactTextUpdate.mAttributedString != null) {
mAttributedString = JavaOnlyMap.deepClone(reactTextUpdate.mAttributedString);
}
// The current text gets replaced with the text received from JS. However, the spans on the
// current text need to be adapted to the new text. Since TextView#setText() will remove or
// reset some of these spans even if they are set directly, SpannableStringBuilder#replace() is
// used instead (this is also used by the keyboard implementation underneath the covers).
SpannableStringBuilder spannableStringBuilder =
new SpannableStringBuilder(reactTextUpdate.getText());
manageSpans(spannableStringBuilder);
mContainsImages = reactTextUpdate.containsImages();
// When we update text, we trigger onChangeText code that will
// try to update state if the wrapper is available. Temporarily disable
// to prevent an (asynchronous) infinite loop.
mDisableTextDiffing = true;
// On some devices, when the text is cleared, buggy keyboards will not clear the composing
// text so, we have to set text to null, which will clear the currently composing text.
if (reactTextUpdate.getText().length() == 0) {
setText(null);
} else {
// When we update text, we trigger onChangeText code that will
// try to update state if the wrapper is available. Temporarily disable
// to prevent an infinite loop.
Integer startPosition = getSelectionStart();
setText(spannableStringBuilder);
setSelection(startPosition);
}
mDisableTextDiffing = false;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (getBreakStrategy() != reactTextUpdate.getTextBreakStrategy()) {
setBreakStrategy(reactTextUpdate.getTextBreakStrategy());
}
}
}
/**
* Remove and/or add {@link Spanned.SPAN_EXCLUSIVE_EXCLUSIVE} spans, since they should only exist
* as long as the text they cover is the same. All other spans will remain the same, since they
* will adapt to the new text, hence why {@link SpannableStringBuilder#replace} never removes
* them.
*/
private void manageSpans(SpannableStringBuilder spannableStringBuilder) {
Object[] spans = getText().getSpans(0, length(), Object.class);
for (int spanIdx = 0; spanIdx < spans.length; spanIdx++) {
// Remove all styling spans we might have previously set
if (spans[spanIdx] instanceof ReactSpan) {
getText().removeSpan(spans[spanIdx]);
}
if ((getText().getSpanFlags(spans[spanIdx]) & Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
!= Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) {
continue;
}
Object span = spans[spanIdx];
final int spanStart = getText().getSpanStart(spans[spanIdx]);
final int spanEnd = getText().getSpanEnd(spans[spanIdx]);
final int spanFlags = getText().getSpanFlags(spans[spanIdx]);
// Make sure the span is removed from existing text, otherwise the spans we set will be
// ignored or it will cover text that has changed.
getText().removeSpan(spans[spanIdx]);
if (sameTextForSpan(getText(), spannableStringBuilder, spanStart, spanEnd)) {
spannableStringBuilder.setSpan(span, spanStart, spanEnd, spanFlags);
}
}
}
private static boolean sameTextForSpan(
final Editable oldText,
final SpannableStringBuilder newText,
final int start,
final int end) {
if (start > newText.length() || end > newText.length()) {
return false;
}
for (int charIdx = start; charIdx < end; charIdx++) {
if (oldText.charAt(charIdx) != newText.charAt(charIdx)) {
return false;
}
}
return true;
}
protected boolean showSoftKeyboard() {
return mInputMethodManager.showSoftInput(this, 0);
}
protected void hideSoftKeyboard() {
mInputMethodManager.hideSoftInputFromWindow(getWindowToken(), 0);
}
private TextWatcherDelegator getTextWatcherDelegator() {
if (mTextWatcherDelegator == null) {
mTextWatcherDelegator = new TextWatcherDelegator();
}
return mTextWatcherDelegator;
}
/* package */ boolean isMultiline() {
return (getInputType() & InputType.TYPE_TEXT_FLAG_MULTI_LINE) != 0;
}
private boolean isSecureText() {
return (getInputType()
& (InputType.TYPE_NUMBER_VARIATION_PASSWORD | InputType.TYPE_TEXT_VARIATION_PASSWORD))
!= 0;
}
private void onContentSizeChange() {
if (mContentSizeWatcher != null) {
mContentSizeWatcher.onLayout();
}
setIntrinsicContentSize();
}
// TODO T58784068: delete this method
private void setIntrinsicContentSize() {
// This serves as a check for whether we're running under Paper or Fabric.
// By the time this is called, in Fabric we will have a state
// wrapper 100% of the time.
// Since the LocalData object is constructed by getting values from the underlying EditText
// view, we don't need to construct one or apply it at all - it provides no use in Fabric.
if (mStateWrapper == null) {
ReactContext reactContext = getReactContext(this);
final ReactTextInputLocalData localData = new ReactTextInputLocalData(this);
UIManagerModule uiManager = reactContext.getNativeModule(UIManagerModule.class);
if (uiManager != null) {
uiManager.setViewLocalData(getId(), localData);
}
}
}
/* package */ void setGravityHorizontal(int gravityHorizontal) {
if (gravityHorizontal == 0) {
gravityHorizontal = mDefaultGravityHorizontal;
}
setGravity(
(getGravity()
& ~Gravity.HORIZONTAL_GRAVITY_MASK
& ~Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)
| gravityHorizontal);
}
/* package */ void setGravityVertical(int gravityVertical) {
if (gravityVertical == 0) {
gravityVertical = mDefaultGravityVertical;
}
setGravity((getGravity() & ~Gravity.VERTICAL_GRAVITY_MASK) | gravityVertical);
}
private void updateImeOptions() {
// Default to IME_ACTION_DONE
int returnKeyFlag = EditorInfo.IME_ACTION_DONE;
if (mReturnKeyType != null) {
switch (mReturnKeyType) {
case "go":
returnKeyFlag = EditorInfo.IME_ACTION_GO;
break;
case "next":
returnKeyFlag = EditorInfo.IME_ACTION_NEXT;
break;
case "none":
returnKeyFlag = EditorInfo.IME_ACTION_NONE;
break;
case "previous":
returnKeyFlag = EditorInfo.IME_ACTION_PREVIOUS;
break;
case "search":
returnKeyFlag = EditorInfo.IME_ACTION_SEARCH;
break;
case "send":
returnKeyFlag = EditorInfo.IME_ACTION_SEND;
break;
case "done":
returnKeyFlag = EditorInfo.IME_ACTION_DONE;
break;
}
}
if (mDisableFullscreen) {
setImeOptions(returnKeyFlag | EditorInfo.IME_FLAG_NO_FULLSCREEN);
} else {
setImeOptions(returnKeyFlag);
}
}
@Override
protected boolean verifyDrawable(Drawable drawable) {
if (mContainsImages) {
Spanned text = getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
if (span.getDrawable() == drawable) {
return true;
}
}
}
return super.verifyDrawable(drawable);
}
@Override
public void invalidateDrawable(Drawable drawable) {
if (mContainsImages) {
Spanned text = getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
if (span.getDrawable() == drawable) {
invalidate();
}
}
}
super.invalidateDrawable(drawable);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (mContainsImages) {
Spanned text = getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
span.onDetachedFromWindow();
}
}
}
@Override
public void onStartTemporaryDetach() {
super.onStartTemporaryDetach();
if (mContainsImages) {
Spanned text = getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
span.onStartTemporaryDetach();
}
}
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
if (mContainsImages) {
Spanned text = getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
span.onAttachedToWindow();
}
}
if (mAutoFocus && !mDidAttachToWindow) {
requestFocusInternal();
}
mDidAttachToWindow = true;
}
@Override
public void onFinishTemporaryDetach() {
super.onFinishTemporaryDetach();
if (mContainsImages) {
Spanned text = getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
span.onFinishTemporaryDetach();
}
}
}
@Override
public void setBackgroundColor(int color) {
mReactBackgroundManager.setBackgroundColor(color);
}
public void setBorderWidth(int position, float width) {
mReactBackgroundManager.setBorderWidth(position, width);
}
public void setBorderColor(int position, float color, float alpha) {
mReactBackgroundManager.setBorderColor(position, color, alpha);
}
public void setBorderRadius(float borderRadius) {
mReactBackgroundManager.setBorderRadius(borderRadius);
}
public void setBorderRadius(float borderRadius, int position) {
mReactBackgroundManager.setBorderRadius(borderRadius, position);
}
public void setBorderStyle(@Nullable String style) {
mReactBackgroundManager.setBorderStyle(style);
}
public void setLetterSpacingPt(float letterSpacingPt) {
mTextAttributes.setLetterSpacing(letterSpacingPt);
applyTextAttributes();
}
public void setAllowFontScaling(boolean allowFontScaling) {
if (mTextAttributes.getAllowFontScaling() != allowFontScaling) {
mTextAttributes.setAllowFontScaling(allowFontScaling);
applyTextAttributes();
}
}
public void setFontSize(float fontSize) {
mTextAttributes.setFontSize(fontSize);
applyTextAttributes();
}
public void setMaxFontSizeMultiplier(float maxFontSizeMultiplier) {
if (maxFontSizeMultiplier != mTextAttributes.getMaxFontSizeMultiplier()) {
mTextAttributes.setMaxFontSizeMultiplier(maxFontSizeMultiplier);
applyTextAttributes();
}
}
public void setAutoFocus(boolean autoFocus) {
mAutoFocus = autoFocus;
}
protected void applyTextAttributes() {
// In general, the `getEffective*` functions return `Float.NaN` if the
// property hasn't been set.
// `getEffectiveFontSize` always returns a value so don't need to check for anything like
// `Float.NaN`.
setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextAttributes.getEffectiveFontSize());
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
float effectiveLetterSpacing = mTextAttributes.getEffectiveLetterSpacing();
if (!Float.isNaN(effectiveLetterSpacing)) {
setLetterSpacing(effectiveLetterSpacing);
}
}
}
/**
* This class will redirect *TextChanged calls to the listeners only in the case where the text is
* changed by the user, and not explicitly set by JS.
*/
private class TextWatcherDelegator implements TextWatcher {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
if (!mIsSettingTextFromJS && mListeners != null) {
for (TextWatcher listener : mListeners) {
listener.beforeTextChanged(s, start, count, after);
}
}
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (!mIsSettingTextFromJS && mListeners != null) {
for (TextWatcher listener : mListeners) {
listener.onTextChanged(s, start, before, count);
}
}
onContentSizeChange();
}
@Override
public void afterTextChanged(Editable s) {
if (!mIsSettingTextFromJS && mListeners != null) {
for (TextWatcher listener : mListeners) {
listener.afterTextChanged(s);
}
}
}
}
/*
* This class is set as the KeyListener for the underlying TextView
* It does two things
* 1) Provides the same answer to getInputType() as the real KeyListener would have which allows
* the proper keyboard to pop up on screen
* 2) Permits all keyboard input through
*/
private static class InternalKeyListener implements KeyListener {
private int mInputType = 0;
public InternalKeyListener() {}
public void setInputType(int inputType) {
mInputType = inputType;
}
/*
* getInputType will return whatever value is passed in. This will allow the proper keyboard
* to be shown on screen but without the actual filtering done by other KeyListeners
*/
@Override
public int getInputType() {
return mInputType;
}
/*
* All overrides of key handling defer to the underlying KeyListener which is shared by all
* ReactEditText instances. It will basically allow any/all keyboard input whether from
* physical keyboard or from soft input.
*/
@Override
public boolean onKeyDown(View view, Editable text, int keyCode, KeyEvent event) {
return sKeyListener.onKeyDown(view, text, keyCode, event);
}
@Override
public boolean onKeyUp(View view, Editable text, int keyCode, KeyEvent event) {
return sKeyListener.onKeyUp(view, text, keyCode, event);
}
@Override
public boolean onKeyOther(View view, Editable text, KeyEvent event) {
return sKeyListener.onKeyOther(view, text, event);
}
@Override
public void clearMetaKeyState(View view, Editable content, int states) {
sKeyListener.clearMetaKeyState(view, content, states);
}
}
}