move SuggestionStripView to Kotlin

This commit is contained in:
Helium314 2025-06-01 13:06:14 +02:00
parent ec2bbb461d
commit 12c1cb0cd2
2 changed files with 651 additions and 752 deletions

View file

@ -1,752 +0,0 @@
/*
* Copyright (C) 2011 The Android Open Source Project
* modified
* SPDX-License-Identifier: Apache-2.0 AND GPL-3.0-only
*/
package helium314.keyboard.latin.suggestions;
import static helium314.keyboard.latin.utils.ToolbarUtilsKt.*;
import android.annotation.SuppressLint;
import android.app.KeyguardManager;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.os.Build;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.GestureDetector;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.accessibility.AccessibilityEvent;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import helium314.keyboard.accessibility.AccessibilityUtils;
import helium314.keyboard.keyboard.Keyboard;
import helium314.keyboard.keyboard.KeyboardSwitcher;
import helium314.keyboard.keyboard.MainKeyboardView;
import helium314.keyboard.keyboard.PopupKeysPanel;
import helium314.keyboard.keyboard.internal.KeyboardIconsSet;
import helium314.keyboard.keyboard.internal.keyboard_parser.floris.KeyCode;
import helium314.keyboard.latin.AudioAndHapticFeedbackManager;
import helium314.keyboard.latin.Dictionary;
import helium314.keyboard.latin.R;
import helium314.keyboard.latin.SuggestedWords;
import helium314.keyboard.latin.SuggestedWords.SuggestedWordInfo;
import helium314.keyboard.latin.common.ColorType;
import helium314.keyboard.latin.common.Colors;
import helium314.keyboard.latin.common.Constants;
import helium314.keyboard.latin.define.DebugFlags;
import helium314.keyboard.latin.settings.DebugSettings;
import helium314.keyboard.latin.settings.Defaults;
import helium314.keyboard.latin.settings.Settings;
import helium314.keyboard.latin.settings.SettingsValues;
import helium314.keyboard.latin.suggestions.PopupSuggestionsView.MoreSuggestionsListener;
import helium314.keyboard.latin.utils.KtxKt;
import helium314.keyboard.latin.utils.Log;
import helium314.keyboard.latin.utils.ToolbarKey;
import helium314.keyboard.latin.utils.ToolbarMode;
import helium314.keyboard.latin.utils.ToolbarUtilsKt;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
public final class SuggestionStripView extends RelativeLayout implements OnClickListener,
OnLongClickListener, SharedPreferences.OnSharedPreferenceChangeListener {
public interface Listener {
void pickSuggestionManually(SuggestedWordInfo word);
void onCodeInput(int primaryCode, int x, int y, boolean isKeyRepeat);
void removeSuggestion(final String word);
}
public static boolean DEBUG_SUGGESTIONS;
private static final float DEBUG_INFO_TEXT_SIZE_IN_DIP = 6.5f;
private static final String TAG = SuggestionStripView.class.getSimpleName();
private final ViewGroup mSuggestionsStrip;
private final ImageButton mToolbarExpandKey;
private final Drawable mIncognitoIcon;
private final Drawable mToolbarArrowIcon;
private final Drawable mBinIcon;
private final ViewGroup mToolbar;
private final View mToolbarContainer;
private final ViewGroup mPinnedKeys;
private final GradientDrawable mEnabledToolKeyBackground = new GradientDrawable();
private final Drawable mDefaultBackground;
MainKeyboardView mMainKeyboardView;
private final View mMoreSuggestionsContainer;
private final PopupSuggestionsView mMoreSuggestionsView;
private final MoreSuggestions.Builder mMoreSuggestionsBuilder;
private final ArrayList<TextView> mWordViews = new ArrayList<>();
private final ArrayList<TextView> mDebugInfoViews = new ArrayList<>();
private final ArrayList<View> mDividerViews = new ArrayList<>();
Listener mListener;
private SuggestedWords mSuggestedWords = SuggestedWords.getEmptyInstance();
private int mStartIndexOfMoreSuggestions;
private int mRtl = 1; // 1 if LTR, -1 if RTL
private final SuggestionStripLayoutHelper mLayoutHelper;
private final StripVisibilityGroup mStripVisibilityGroup;
private boolean isExternalSuggestionVisible = false; // Required to disable the more suggestions if other suggestions are visible
private final ToolbarMode mToolbarMode;
private static class StripVisibilityGroup {
private final View mSuggestionStripView;
private final View mSuggestionsStrip;
public StripVisibilityGroup(final View suggestionStripView,
final ViewGroup suggestionsStrip) {
mSuggestionStripView = suggestionStripView;
mSuggestionsStrip = suggestionsStrip;
showSuggestionsStrip();
}
public void setLayoutDirection(final int layoutDirection) {
mSuggestionStripView.setLayoutDirection(layoutDirection);
mSuggestionsStrip.setLayoutDirection(layoutDirection);
}
public void showSuggestionsStrip() {
mSuggestionsStrip.setVisibility(VISIBLE);
}
}
/**
* Construct a {@link SuggestionStripView} for showing suggestions to be picked by the user.
*/
public SuggestionStripView(final Context context, final AttributeSet attrs) {
this(context, attrs, R.attr.suggestionStripViewStyle);
}
@SuppressLint("InflateParams") // does not seem suitable here
public SuggestionStripView(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
final Colors colors = Settings.getValues().mColors;
final SharedPreferences prefs = KtxKt.prefs(context);
DEBUG_SUGGESTIONS = prefs.getBoolean(DebugSettings.PREF_SHOW_SUGGESTION_INFOS, Defaults.PREF_SHOW_SUGGESTION_INFOS);
final LayoutInflater inflater = LayoutInflater.from(context);
inflater.inflate(R.layout.suggestions_strip, this);
mSuggestionsStrip = findViewById(R.id.suggestions_strip);
mToolbarExpandKey = findViewById(R.id.suggestions_strip_toolbar_key);
mStripVisibilityGroup = new StripVisibilityGroup(this, mSuggestionsStrip);
mPinnedKeys = findViewById(R.id.pinned_keys);
mToolbar = findViewById(R.id.toolbar);
mToolbarContainer = findViewById(R.id.toolbar_container);
mToolbarMode = Settings.getValues().mToolbarMode;
if (mToolbarMode == ToolbarMode.TOOLBAR_KEYS) {
setToolbarVisibility(true);
}
final Typeface customTypeface = Settings.getInstance().getCustomTypeface();
for (int pos = 0; pos < SuggestedWords.MAX_SUGGESTIONS; pos++) {
final TextView word = new TextView(context, null, R.attr.suggestionWordStyle);
word.setContentDescription(getResources().getString(R.string.spoken_empty_suggestion));
word.setOnClickListener(this);
word.setOnLongClickListener(this);
if (customTypeface != null)
word.setTypeface(customTypeface);
colors.setBackground(word, ColorType.STRIP_BACKGROUND);
mWordViews.add(word);
final View divider = inflater.inflate(R.layout.suggestion_divider, null);
mDividerViews.add(divider);
final TextView info = new TextView(context, null, R.attr.suggestionWordStyle);
info.setTextColor(colors.get(ColorType.KEY_TEXT));
info.setTextSize(TypedValue.COMPLEX_UNIT_DIP, DEBUG_INFO_TEXT_SIZE_IN_DIP);
mDebugInfoViews.add(info);
}
mLayoutHelper = new SuggestionStripLayoutHelper(context, attrs, defStyle, mWordViews, mDividerViews, mDebugInfoViews);
mMoreSuggestionsContainer = inflater.inflate(R.layout.more_suggestions, null);
mMoreSuggestionsView = mMoreSuggestionsContainer.findViewById(R.id.more_suggestions_view);
mMoreSuggestionsBuilder = new MoreSuggestions.Builder(context, mMoreSuggestionsView);
final Resources res = context.getResources();
mMoreSuggestionsModalTolerance = res.getDimensionPixelOffset(
R.dimen.config_more_suggestions_modal_tolerance);
mMoreSuggestionsSlidingDetector = new GestureDetector(context, mMoreSuggestionsSlidingListener);
final KeyboardIconsSet iconsSet = KeyboardIconsSet.Companion.getInstance();
mIncognitoIcon = iconsSet.getNewDrawable(ToolbarKey.INCOGNITO.name(), context);
mToolbarArrowIcon = iconsSet.getNewDrawable(KeyboardIconsSet.NAME_TOOLBAR_KEY, context);
mBinIcon = iconsSet.getNewDrawable(KeyboardIconsSet.NAME_BIN, context);
final LinearLayout.LayoutParams toolbarKeyLayoutParams = new LinearLayout.LayoutParams(
getResources().getDimensionPixelSize(R.dimen.config_suggestions_strip_edge_key_width),
LinearLayout.LayoutParams.MATCH_PARENT
);
if (mToolbarMode == ToolbarMode.TOOLBAR_KEYS || mToolbarMode == ToolbarMode.EXPANDABLE) {
for (final ToolbarKey key : ToolbarUtilsKt.getEnabledToolbarKeys(prefs)) {
final ImageButton button = createToolbarKey(context, iconsSet, key);
button.setLayoutParams(toolbarKeyLayoutParams);
setupKey(button, colors);
mToolbar.addView(button);
}
}
final int toolbarHeight = Math.min(mToolbarExpandKey.getLayoutParams().height, (int) getResources().getDimension(R.dimen.config_suggestions_strip_height));
mToolbarExpandKey.getLayoutParams().height = toolbarHeight;
mToolbarExpandKey.getLayoutParams().width = toolbarHeight; // we want it square
colors.setBackground(mToolbarExpandKey, ColorType.STRIP_BACKGROUND);
mDefaultBackground = mToolbarExpandKey.getBackground();
mEnabledToolKeyBackground.setColors(new int[] {colors.get(ColorType.TOOL_BAR_KEY_ENABLED_BACKGROUND) | 0xFF000000, Color.TRANSPARENT}); // ignore alpha on accent color
mEnabledToolKeyBackground.setGradientType(GradientDrawable.RADIAL_GRADIENT);
mEnabledToolKeyBackground.setGradientRadius(mToolbarExpandKey.getLayoutParams().height / 2f); // nothing else has a usable height at this state
colors.setColor(mToolbarExpandKey, ColorType.TOOL_BAR_EXPAND_KEY);
colors.setColor(mToolbarExpandKey.getBackground(), ColorType.TOOL_BAR_EXPAND_KEY_BACKGROUND);
if (!Settings.getValues().mSuggestionStripHiddenPerUserSettings) {
for (final ToolbarKey pinnedKey : ToolbarUtilsKt.getPinnedToolbarKeys(prefs)) {
final ImageButton button = createToolbarKey(context, iconsSet, pinnedKey);
button.setLayoutParams(toolbarKeyLayoutParams);
setupKey(button, colors);
mPinnedKeys.addView(button);
final View pinnedKeyInToolbar = mToolbar.findViewWithTag(pinnedKey);
if (pinnedKeyInToolbar != null && Settings.getValues().mQuickPinToolbarKeys)
pinnedKeyInToolbar.setBackground(mEnabledToolKeyBackground);
}
}
colors.setBackground(this, ColorType.STRIP_BACKGROUND);
updateKeys();
}
@Override
public void onSharedPreferenceChanged(SharedPreferences prefs, @Nullable String key) {
ToolbarUtilsKt.setToolbarButtonsActivatedStateOnPrefChange(mPinnedKeys, key);
ToolbarUtilsKt.setToolbarButtonsActivatedStateOnPrefChange(mToolbar, key);
}
/**
* A connection back to the input method.
*/
public void setListener(final Listener listener, final View inputView) {
mListener = listener;
mMainKeyboardView = inputView.findViewById(R.id.keyboard_view);
}
private void updateKeys() {
final SettingsValues currentSettingsValues = Settings.getValues();
final View toolbarVoiceKey = mToolbar.findViewWithTag(ToolbarKey.VOICE);
if (toolbarVoiceKey != null)
toolbarVoiceKey.setVisibility(currentSettingsValues.mShowsVoiceInputKey ? VISIBLE : GONE);
final View pinnedVoiceKey = mPinnedKeys.findViewWithTag(ToolbarKey.VOICE);
if (pinnedVoiceKey != null)
pinnedVoiceKey.setVisibility(currentSettingsValues.mShowsVoiceInputKey ? VISIBLE : GONE);
final boolean toolbarIsExpandable = mToolbarMode == ToolbarMode.EXPANDABLE;
if (currentSettingsValues.mIncognitoModeEnabled) {
mToolbarExpandKey.setImageDrawable(mIncognitoIcon);
mToolbarExpandKey.setVisibility(VISIBLE);
} else {
mToolbarExpandKey.setImageDrawable(mToolbarArrowIcon);
mToolbarExpandKey.setVisibility(toolbarIsExpandable ? VISIBLE : GONE);
}
mToolbarExpandKey.setScaleX((mToolbarContainer.getVisibility() != VISIBLE ? 1f : -1f) * mRtl);
// hide pinned keys if device is locked, and avoid expanding toolbar
final KeyguardManager km = (KeyguardManager) getContext().getSystemService(Context.KEYGUARD_SERVICE);
final boolean hideToolbarKeys = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1
? km.isDeviceLocked()
: km.isKeyguardLocked();
mToolbarExpandKey.setOnClickListener(hideToolbarKeys || !toolbarIsExpandable ? null : this);
mPinnedKeys.setVisibility(hideToolbarKeys ? GONE : mSuggestionsStrip.getVisibility());
isExternalSuggestionVisible = false;
}
public void setRtl(final boolean isRtlLanguage) {
final int layoutDirection;
if (!Settings.getValues().mVarToolbarDirection)
layoutDirection = View.LAYOUT_DIRECTION_LOCALE;
else{
layoutDirection = isRtlLanguage ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR;
mRtl = isRtlLanguage ? -1 : 1;
}
mStripVisibilityGroup.setLayoutDirection(layoutDirection);
}
public void setSuggestions(final SuggestedWords suggestedWords, final boolean isRtlLanguage) {
clear();
setRtl(isRtlLanguage);
mSuggestedWords = suggestedWords;
mStartIndexOfMoreSuggestions = mLayoutHelper.layoutAndReturnStartIndexOfMoreSuggestions(
getContext(), mSuggestedWords, mSuggestionsStrip, this);
}
public void setExternalSuggestionView(final View view) {
clear();
isExternalSuggestionVisible = true;
mSuggestionsStrip.addView(view);
if (Settings.getValues().mAutoHideToolbar)
setToolbarVisibility(false);
}
@Override
public void onVisibilityChanged(@NonNull final View view, final int visibility) {
super.onVisibilityChanged(view, visibility);
if (view == this)
// workaround for a bug with inline suggestions views that just keep showing up otherwise, https://github.com/Helium314/HeliBoard/pull/386
mSuggestionsStrip.setVisibility(visibility);
}
public void setMoreSuggestionsHeight(final int remainingHeight) {
mLayoutHelper.setMoreSuggestionsHeight(remainingHeight);
}
@SuppressLint("ClickableViewAccessibility") // why would "null" need to call View#performClick?
private void clear() {
mSuggestionsStrip.removeAllViews();
if (DEBUG_SUGGESTIONS)
removeAllDebugInfoViews();
if (mToolbarContainer.getVisibility() != VISIBLE)
mStripVisibilityGroup.showSuggestionsStrip();
dismissMoreSuggestionsPanel();
for (final TextView word : mWordViews) {
word.setOnTouchListener(null);
}
}
private void removeAllDebugInfoViews() {
// The debug info views may be placed as children views of this {@link SuggestionStripView}.
for (final View debugInfoView : mDebugInfoViews) {
final ViewParent parent = debugInfoView.getParent();
if (parent instanceof ViewGroup) {
((ViewGroup)parent).removeView(debugInfoView);
}
}
}
private final MoreSuggestionsListener mMoreSuggestionsListener = new MoreSuggestionsListener() {
@Override
public void onSuggestionSelected(final SuggestedWordInfo wordInfo) {
mListener.pickSuggestionManually(wordInfo);
dismissMoreSuggestionsPanel();
}
@Override
public void onCancelInput() {
dismissMoreSuggestionsPanel();
}
};
private final PopupKeysPanel.Controller mMoreSuggestionsController =
new PopupKeysPanel.Controller() {
@Override
public void onDismissPopupKeysPanel() {
mMainKeyboardView.onDismissPopupKeysPanel();
}
@Override
public void onShowPopupKeysPanel(final PopupKeysPanel panel) {
mMainKeyboardView.onShowPopupKeysPanel(panel);
}
@Override
public void onCancelPopupKeysPanel() {
dismissMoreSuggestionsPanel();
}
};
public boolean isShowingMoreSuggestionPanel() {
return mMoreSuggestionsView.isShowingInParent();
}
public void dismissMoreSuggestionsPanel() {
mMoreSuggestionsView.dismissPopupKeysPanel();
}
@Override
public boolean onLongClick(final View view) {
AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(Constants.NOT_A_CODE, this);
if (view.getTag() instanceof ToolbarKey) {
onLongClickToolKey(view);
return true;
}
if (view instanceof TextView && mWordViews.contains(view)) {
return onLongClickSuggestion((TextView) view);
} else return showMoreSuggestions();
}
private void onLongClickToolKey(final View view) {
if (!(view.getTag() instanceof ToolbarKey tag)) return;
if (view.getParent() == mPinnedKeys || !Settings.getValues().mQuickPinToolbarKeys) {
final int longClickCode = getCodeForToolbarKeyLongClick(tag);
if (longClickCode != KeyCode.UNSPECIFIED) {
mListener.onCodeInput(longClickCode, Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE, false);
}
} else if (view.getParent() == mToolbar) {
final View pinnedKeyView = mPinnedKeys.findViewWithTag(tag);
if (pinnedKeyView == null) {
addKeyToPinnedKeys(tag);
mToolbar.findViewWithTag(tag).setBackground(mEnabledToolKeyBackground);
ToolbarUtilsKt.addPinnedKey(KtxKt.prefs(getContext()), tag);
} else {
ToolbarUtilsKt.removePinnedKey(KtxKt.prefs(getContext()), tag);
mToolbar.findViewWithTag(tag).setBackground(mDefaultBackground.getConstantState().newDrawable(getResources()));
mPinnedKeys.removeView(pinnedKeyView);
}
}
}
@SuppressLint("ClickableViewAccessibility") // no need for View#performClick, we return false mostly anyway
private boolean onLongClickSuggestion(final TextView wordView) {
boolean showIcon = true;
if (wordView.getTag() instanceof Integer) {
final int index = (int) wordView.getTag();
if (index < mSuggestedWords.size() && mSuggestedWords.getInfo(index).mSourceDict == Dictionary.DICTIONARY_USER_TYPED)
showIcon = false;
}
if (showIcon) {
final Drawable icon = mBinIcon;
Settings.getValues().mColors.setColor(icon, ColorType.REMOVE_SUGGESTION_ICON);
int w = icon.getIntrinsicWidth();
int h = icon.getIntrinsicWidth();
wordView.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
wordView.setEllipsize(TextUtils.TruncateAt.END);
AtomicBoolean downOk = new AtomicBoolean(false);
wordView.setOnTouchListener((view1, motionEvent) -> {
if (motionEvent.getAction() == MotionEvent.ACTION_UP && downOk.get()) {
final float x = motionEvent.getX();
final float y = motionEvent.getY();
if (0 < x && x < w && 0 < y && y < h) {
removeSuggestion(wordView);
wordView.cancelLongPress();
wordView.setPressed(false);
return true;
}
} else if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
final float x = motionEvent.getX();
final float y = motionEvent.getY();
if (0 < x && x < w && 0 < y && y < h) {
downOk.set(true);
}
}
return false;
});
}
if (DebugFlags.DEBUG_ENABLED && (isShowingMoreSuggestionPanel() || !showMoreSuggestions())) {
showSourceDict(wordView);
return true;
} else return showMoreSuggestions();
}
private void showSourceDict(final TextView wordView) {
final String word = wordView.getText().toString();
final int index;
if (wordView.getTag() instanceof Integer) {
index = (int) wordView.getTag();
} else return;
if (index >= mSuggestedWords.size()) return;
final SuggestedWordInfo info = mSuggestedWords.getInfo(index);
if (!info.getWord().equals(word)) return;
final String text = info.mSourceDict.mDictType + ":" + info.mSourceDict.mLocale;
if (isShowingMoreSuggestionPanel()) {
mMoreSuggestionsView.dismissPopupKeysPanel();
}
KeyboardSwitcher.getInstance().showToast(text, true);
}
private void removeSuggestion(TextView wordView) {
final String word = wordView.getText().toString();
mListener.removeSuggestion(word);
mMoreSuggestionsView.dismissPopupKeysPanel();
// show suggestions, but without the removed word
final ArrayList<SuggestedWordInfo> sw = new ArrayList<>();
for (int i = 0; i < mSuggestedWords.size(); i ++) {
final SuggestedWordInfo info = mSuggestedWords.getInfo(i);
if (!info.getWord().equals(word))
sw.add(info);
}
ArrayList<SuggestedWordInfo> rs = null;
if (mSuggestedWords.mRawSuggestions != null) {
rs = mSuggestedWords.mRawSuggestions;
for (int i = 0; i < rs.size(); i ++) {
if (rs.get(i).getWord().equals(word)) {
rs.remove(i);
break;
}
}
}
// copied code from setSuggestions, but without the Rtl part
clear();
mSuggestedWords = new SuggestedWords(sw, rs, mSuggestedWords.getTypedWordInfo(),
mSuggestedWords.mTypedWordValid, mSuggestedWords.mWillAutoCorrect,
mSuggestedWords.mIsObsoleteSuggestions, mSuggestedWords.mInputStyle,
mSuggestedWords.mSequenceNumber);
mStartIndexOfMoreSuggestions = mLayoutHelper.layoutAndReturnStartIndexOfMoreSuggestions(
getContext(), mSuggestedWords, mSuggestionsStrip, this);
mStripVisibilityGroup.showSuggestionsStrip();
// Show the toolbar if no suggestions are left and the "Auto show toolbar" setting is enabled
if (mSuggestedWords.isEmpty() && Settings.getValues().mAutoShowToolbar){
setToolbarVisibility(true);
}
}
boolean showMoreSuggestions() {
final Keyboard parentKeyboard = mMainKeyboardView.getKeyboard();
if (parentKeyboard == null) {
return false;
}
final SuggestionStripLayoutHelper layoutHelper = mLayoutHelper;
if (mSuggestedWords.size() <= mStartIndexOfMoreSuggestions) {
return false;
}
final int stripWidth = getWidth();
final View container = mMoreSuggestionsContainer;
final int maxWidth = stripWidth - container.getPaddingLeft() - container.getPaddingRight();
final MoreSuggestions.Builder builder = mMoreSuggestionsBuilder;
builder.layout(mSuggestedWords, mStartIndexOfMoreSuggestions, maxWidth,
(int)(maxWidth * layoutHelper.mMinMoreSuggestionsWidth),
layoutHelper.getMaxMoreSuggestionsRow(), parentKeyboard);
mMoreSuggestionsView.setKeyboard(builder.build());
container.measure(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int pointX = stripWidth / 2;
final int pointY = -layoutHelper.mMoreSuggestionsBottomGap;
mMoreSuggestionsView.showPopupKeysPanel(this, mMoreSuggestionsController, pointX, pointY,
mMoreSuggestionsListener);
mOriginX = mLastX;
mOriginY = mLastY;
for (int i = 0; i < mStartIndexOfMoreSuggestions; i++) {
mWordViews.get(i).setPressed(false);
}
return true;
}
// Working variables for {@link onInterceptTouchEvent(MotionEvent)} and
// {@link onTouchEvent(MotionEvent)}.
private int mLastX;
private int mLastY;
private int mOriginX;
private int mOriginY;
private final int mMoreSuggestionsModalTolerance;
private boolean mNeedsToTransformTouchEventToHoverEvent;
private boolean mIsDispatchingHoverEventToMoreSuggestions;
private final GestureDetector mMoreSuggestionsSlidingDetector;
private final GestureDetector.OnGestureListener mMoreSuggestionsSlidingListener =
new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onScroll(@Nullable MotionEvent down, @NonNull MotionEvent me, float deltaX, float deltaY) {
if (down == null) return false;
final float dy = me.getY() - down.getY();
if (mToolbarContainer.getVisibility() != VISIBLE && deltaY > 0 && dy < 0) {
return showMoreSuggestions();
}
return false;
}
};
@Override
public boolean onInterceptTouchEvent(final MotionEvent me) {
// Disable More Suggestions if inline autofill suggestions is visible
if(isExternalSuggestionVisible) {
return false;
}
// Detecting sliding up finger to show {@link MoreSuggestionsView}.
if (!mMoreSuggestionsView.isShowingInParent()) {
mLastX = (int)me.getX();
mLastY = (int)me.getY();
return mMoreSuggestionsSlidingDetector.onTouchEvent(me);
}
if (mMoreSuggestionsView.isInModalMode()) {
return false;
}
final int action = me.getAction();
final int index = me.getActionIndex();
final int x = (int)me.getX(index);
final int y = (int)me.getY(index);
if (Math.abs(x - mOriginX) >= mMoreSuggestionsModalTolerance
|| mOriginY - y >= mMoreSuggestionsModalTolerance) {
// Decided to be in the sliding suggestion mode only when the touch point has been moved
// upward. Further {@link MotionEvent}s will be delivered to
// {@link #onTouchEvent(MotionEvent)}.
mNeedsToTransformTouchEventToHoverEvent =
AccessibilityUtils.Companion.getInstance().isTouchExplorationEnabled();
mIsDispatchingHoverEventToMoreSuggestions = false;
return true;
}
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP) {
// Decided to be in the modal input mode.
mMoreSuggestionsView.setModalMode();
}
return false;
}
@Override
public boolean dispatchPopulateAccessibilityEvent(final AccessibilityEvent event) {
// Don't populate accessibility event with suggested words and voice key.
return true;
}
@Override
@SuppressLint("ClickableViewAccessibility") // ok, perform click again, but why?
public boolean onTouchEvent(final MotionEvent me) {
if (!mMoreSuggestionsView.isShowingInParent()) {
// Ignore any touch event while more suggestions panel hasn't been shown.
// Detecting sliding up is done at {@link #onInterceptTouchEvent}.
return true;
}
// In the sliding input mode. {@link MotionEvent} should be forwarded to
// {@link MoreSuggestionsView}.
final int index = me.getActionIndex();
final int x = mMoreSuggestionsView.translateX((int)me.getX(index));
final int y = mMoreSuggestionsView.translateY((int)me.getY(index));
me.setLocation(x, y);
if (!mNeedsToTransformTouchEventToHoverEvent) {
mMoreSuggestionsView.onTouchEvent(me);
return true;
}
// In sliding suggestion mode with accessibility mode on, a touch event should be
// transformed to a hover event.
final int width = mMoreSuggestionsView.getWidth();
final int height = mMoreSuggestionsView.getHeight();
final boolean onMoreSuggestions = (x >= 0 && x < width && y >= 0 && y < height);
if (!onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
// Just drop this touch event because dispatching hover event isn't started yet and
// the touch event isn't on {@link MoreSuggestionsView}.
return true;
}
final int hoverAction;
if (onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
// Transform this touch event to a hover enter event and start dispatching a hover
// event to {@link MoreSuggestionsView}.
mIsDispatchingHoverEventToMoreSuggestions = true;
hoverAction = MotionEvent.ACTION_HOVER_ENTER;
} else if (me.getActionMasked() == MotionEvent.ACTION_UP) {
// Transform this touch event to a hover exit event and stop dispatching a hover event
// after this.
mIsDispatchingHoverEventToMoreSuggestions = false;
mNeedsToTransformTouchEventToHoverEvent = false;
hoverAction = MotionEvent.ACTION_HOVER_EXIT;
} else {
// Transform this touch event to a hover move event.
hoverAction = MotionEvent.ACTION_HOVER_MOVE;
}
me.setAction(hoverAction);
mMoreSuggestionsView.onHoverEvent(me);
return true;
}
@Override
public void onClick(final View view) {
AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(KeyCode.NOT_SPECIFIED, this);
final Object tag = view.getTag();
if (tag instanceof ToolbarKey) {
final int code = getCodeForToolbarKey((ToolbarKey) tag);
if (code != KeyCode.UNSPECIFIED) {
Log.d(TAG, "click toolbar key "+tag);
mListener.onCodeInput(code, Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE, false);
if (tag == ToolbarKey.INCOGNITO)
updateKeys(); // update expand key icon
return;
}
}
if (view == mToolbarExpandKey) {
setToolbarVisibility(mToolbarContainer.getVisibility() != VISIBLE);
}
// {@link Integer} tag is set at
// {@link SuggestionStripLayoutHelper#setupWordViewsTextAndColor(SuggestedWords,int)} and
// {@link SuggestionStripLayoutHelper#layoutPunctuationSuggestions(SuggestedWords,ViewGroup}
if (tag instanceof Integer) {
final int index = (Integer) tag;
if (index >= mSuggestedWords.size()) {
return;
}
final SuggestedWordInfo wordInfo = mSuggestedWords.getInfo(index);
mListener.pickSuggestionManually(wordInfo);
}
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
dismissMoreSuggestionsPanel();
}
@Override
protected void onSizeChanged(final int w, final int h, final int oldw, final int oldh) {
// Called by the framework when the size is known. Show the important notice if applicable.
// This may be overriden by showing suggestions later, if applicable.
}
public void setToolbarVisibility(final boolean visible) {
final KeyguardManager km = (KeyguardManager) getContext().getSystemService(Context.KEYGUARD_SERVICE);
final boolean locked = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1
? km.isDeviceLocked()
: km.isKeyguardLocked();
if (locked) {
mPinnedKeys.setVisibility(GONE);
mSuggestionsStrip.setVisibility(VISIBLE);
mToolbarContainer.setVisibility(GONE);
} else if (visible) {
mPinnedKeys.setVisibility(GONE);
mSuggestionsStrip.setVisibility(GONE);
mToolbarContainer.setVisibility(VISIBLE);
} else {
mToolbarContainer.setVisibility(GONE);
mSuggestionsStrip.setVisibility(VISIBLE);
mPinnedKeys.setVisibility(VISIBLE);
}
if (DEBUG_SUGGESTIONS) {
for (var view : mDebugInfoViews) {
view.setVisibility(mSuggestionsStrip.getVisibility());
}
}
mToolbarExpandKey.setScaleX((visible && !locked ? -1f : 1f) * mRtl);
}
private void addKeyToPinnedKeys(final ToolbarKey pinnedKey) {
final ImageButton original = mToolbar.findViewWithTag(pinnedKey);
if (original == null) return;
final ImageButton copy = new ImageButton(getContext(), null, R.attr.suggestionWordStyle);
copy.setTag(pinnedKey);
copy.setScaleType(original.getScaleType());
copy.setScaleX(original.getScaleX());
copy.setScaleY(original.getScaleY());
copy.setContentDescription(original.getContentDescription());
copy.setImageDrawable(original.getDrawable());
copy.setLayoutParams(original.getLayoutParams());
copy.setActivated(original.isActivated());
setupKey(copy, Settings.getValues().mColors);
mPinnedKeys.addView(copy);
}
private void setupKey(final ImageButton view, final Colors colors) {
view.setOnClickListener(this);
view.setOnLongClickListener(this);
colors.setColor(view, ColorType.TOOL_BAR_KEY);
colors.setBackground(view, ColorType.STRIP_BACKGROUND);
}
}

View file

@ -0,0 +1,651 @@
/*
* Copyright (C) 2011 The Android Open Source Project
* modified
* SPDX-License-Identifier: Apache-2.0 AND GPL-3.0-only
*/
package helium314.keyboard.latin.suggestions
import android.annotation.SuppressLint
import android.app.KeyguardManager
import android.content.Context
import android.content.SharedPreferences
import android.content.SharedPreferences.OnSharedPreferenceChangeListener
import android.graphics.Color
import android.graphics.drawable.Drawable
import android.graphics.drawable.GradientDrawable
import android.os.Build
import android.text.TextUtils
import android.util.AttributeSet
import android.util.TypedValue
import android.view.GestureDetector
import android.view.GestureDetector.SimpleOnGestureListener
import android.view.LayoutInflater
import android.view.MotionEvent
import android.view.View
import android.view.View.OnLongClickListener
import android.view.ViewGroup
import android.view.accessibility.AccessibilityEvent
import android.widget.ImageButton
import android.widget.LinearLayout
import android.widget.RelativeLayout
import android.widget.TextView
import androidx.core.view.isVisible
import helium314.keyboard.accessibility.AccessibilityUtils
import helium314.keyboard.keyboard.KeyboardSwitcher
import helium314.keyboard.keyboard.MainKeyboardView
import helium314.keyboard.keyboard.PopupKeysPanel
import helium314.keyboard.keyboard.internal.KeyboardIconsSet
import helium314.keyboard.keyboard.internal.keyboard_parser.floris.KeyCode
import helium314.keyboard.latin.AudioAndHapticFeedbackManager
import helium314.keyboard.latin.Dictionary
import helium314.keyboard.latin.R
import helium314.keyboard.latin.SuggestedWords
import helium314.keyboard.latin.SuggestedWords.SuggestedWordInfo
import helium314.keyboard.latin.common.ColorType
import helium314.keyboard.latin.common.Colors
import helium314.keyboard.latin.common.Constants
import helium314.keyboard.latin.define.DebugFlags
import helium314.keyboard.latin.settings.DebugSettings
import helium314.keyboard.latin.settings.Defaults
import helium314.keyboard.latin.settings.Settings
import helium314.keyboard.latin.suggestions.PopupSuggestionsView.MoreSuggestionsListener
import helium314.keyboard.latin.utils.Log
import helium314.keyboard.latin.utils.ToolbarKey
import helium314.keyboard.latin.utils.ToolbarMode
import helium314.keyboard.latin.utils.addPinnedKey
import helium314.keyboard.latin.utils.createToolbarKey
import helium314.keyboard.latin.utils.getCodeForToolbarKey
import helium314.keyboard.latin.utils.getCodeForToolbarKeyLongClick
import helium314.keyboard.latin.utils.getEnabledToolbarKeys
import helium314.keyboard.latin.utils.getPinnedToolbarKeys
import helium314.keyboard.latin.utils.prefs
import helium314.keyboard.latin.utils.removeFirst
import helium314.keyboard.latin.utils.removePinnedKey
import helium314.keyboard.latin.utils.setToolbarButtonsActivatedStateOnPrefChange
import java.util.concurrent.atomic.AtomicBoolean
import kotlin.math.abs
import kotlin.math.min
class SuggestionStripView(context: Context, attrs: AttributeSet?, defStyle: Int) :
RelativeLayout(context, attrs, defStyle), View.OnClickListener, OnLongClickListener, OnSharedPreferenceChangeListener {
/** Construct a [SuggestionStripView] for showing suggestions to be picked by the user. */
constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, R.attr.suggestionStripViewStyle)
interface Listener {
fun pickSuggestionManually(word: SuggestedWordInfo?)
fun onCodeInput(primaryCode: Int, x: Int, y: Int, isKeyRepeat: Boolean)
fun removeSuggestion(word: String?)
}
private val moreSuggestionsContainer: View
private val wordViews = ArrayList<TextView>()
private val debugInfoViews = ArrayList<TextView>()
private val dividerViews = ArrayList<View>()
init {
val inflater = LayoutInflater.from(context)
inflater.inflate(R.layout.suggestions_strip, this)
moreSuggestionsContainer = inflater.inflate(R.layout.more_suggestions, null)
val colors = Settings.getValues().mColors
colors.setBackground(this, ColorType.STRIP_BACKGROUND)
val customTypeface = Settings.getInstance().customTypeface
for (pos in 0..<SuggestedWords.MAX_SUGGESTIONS) {
val word = TextView(context, null, R.attr.suggestionWordStyle)
word.contentDescription = resources.getString(R.string.spoken_empty_suggestion)
word.setOnClickListener(this)
word.setOnLongClickListener(this)
if (customTypeface != null)
word.typeface = customTypeface
colors.setBackground(word, ColorType.STRIP_BACKGROUND)
wordViews.add(word)
val divider = inflater.inflate(R.layout.suggestion_divider, null)
dividerViews.add(divider)
val info = TextView(context, null, R.attr.suggestionWordStyle)
info.setTextColor(colors.get(ColorType.KEY_TEXT))
info.setTextSize(TypedValue.COMPLEX_UNIT_DIP, DEBUG_INFO_TEXT_SIZE_IN_DIP)
debugInfoViews.add(info)
}
DEBUG_SUGGESTIONS = context.prefs().getBoolean(DebugSettings.PREF_SHOW_SUGGESTION_INFOS, Defaults.PREF_SHOW_SUGGESTION_INFOS)
}
// toolbar views, drawables and setup
private val toolbar: ViewGroup = findViewById(R.id.toolbar)
private val toolbarContainer: View = findViewById(R.id.toolbar_container)
private val pinnedKeys: ViewGroup = findViewById(R.id.pinned_keys)
private val suggestionsStrip: ViewGroup = findViewById(R.id.suggestions_strip)
private val toolbarExpandKey = findViewById<ImageButton>(R.id.suggestions_strip_toolbar_key)
private val incognitoIcon = KeyboardIconsSet.instance.getNewDrawable(ToolbarKey.INCOGNITO.name, context)
private val toolbarArrowIcon = KeyboardIconsSet.instance.getNewDrawable(KeyboardIconsSet.NAME_TOOLBAR_KEY, context)
private val defaultToolbarBackground: Drawable = toolbarExpandKey.background
private val enabledToolKeyBackground = GradientDrawable()
init {
val colors = Settings.getValues().mColors
// expand key
val toolbarHeight = min(toolbarExpandKey.layoutParams.height, resources.getDimension(R.dimen.config_suggestions_strip_height).toInt())
toolbarExpandKey.layoutParams.height = toolbarHeight
toolbarExpandKey.layoutParams.width = toolbarHeight // we want it square
colors.setBackground(toolbarExpandKey, ColorType.STRIP_BACKGROUND) // necessary because background is re-used for defaultToolbarBackground
colors.setColor(toolbarExpandKey, ColorType.TOOL_BAR_EXPAND_KEY)
colors.setColor(toolbarExpandKey.background, ColorType.TOOL_BAR_EXPAND_KEY_BACKGROUND)
// background indicator for pinned keys
val color = colors.get(ColorType.TOOL_BAR_KEY_ENABLED_BACKGROUND) or -0x1000000 // ignore alpha (in Java this is more readable 0xFF000000)
enabledToolKeyBackground.colors = intArrayOf(color, Color.TRANSPARENT)
enabledToolKeyBackground.gradientType = GradientDrawable.RADIAL_GRADIENT
enabledToolKeyBackground.gradientRadius = resources.getDimensionPixelSize(R.dimen.config_suggestions_strip_height) / 2.1f
val mToolbarMode = Settings.getValues().mToolbarMode
if (mToolbarMode == ToolbarMode.TOOLBAR_KEYS) {
setToolbarVisibility(true)
}
// toolbar keys setup
val toolbarKeyLayoutParams = LinearLayout.LayoutParams(
resources.getDimensionPixelSize(R.dimen.config_suggestions_strip_edge_key_width),
LinearLayout.LayoutParams.MATCH_PARENT
)
if (mToolbarMode == ToolbarMode.TOOLBAR_KEYS || mToolbarMode == ToolbarMode.EXPANDABLE) {
for (key in getEnabledToolbarKeys(context.prefs())) {
val button = createToolbarKey(context, KeyboardIconsSet.instance, key)
button.layoutParams = toolbarKeyLayoutParams
setupKey(button, colors)
toolbar.addView(button)
}
}
if (!Settings.getValues().mSuggestionStripHiddenPerUserSettings) {
for (pinnedKey in getPinnedToolbarKeys(context.prefs())) {
val button = createToolbarKey(context, KeyboardIconsSet.instance, pinnedKey)
button.layoutParams = toolbarKeyLayoutParams
setupKey(button, colors)
pinnedKeys.addView(button)
val pinnedKeyInToolbar = toolbar.findViewWithTag<View>(pinnedKey)
if (pinnedKeyInToolbar != null && Settings.getValues().mQuickPinToolbarKeys)
pinnedKeyInToolbar.background = enabledToolKeyBackground
}
}
updateKeys()
}
private val layoutHelper = SuggestionStripLayoutHelper(context, attrs, defStyle, wordViews, dividerViews, debugInfoViews)
private lateinit var listener: Listener
private lateinit var mainKeyboardView: MainKeyboardView
private var suggestedWords = SuggestedWords.getEmptyInstance()
private var startIndexOfMoreSuggestions = 0
private var direction = 1 // 1 if LTR, -1 if RTL
private var isExternalSuggestionVisible = false // Required to disable the more suggestions if other suggestions are visible
// related to more suggestions
// todo: maybe put most of this in a separate class?
private val moreSuggestionsView: PopupSuggestionsView = moreSuggestionsContainer.findViewById(R.id.more_suggestions_view)
private val moreSuggestionsBuilder = MoreSuggestions.Builder(context, moreSuggestionsView) // todo: why actually here?
private val moreSuggestionsModalTolerance = context.resources.getDimensionPixelOffset(R.dimen.config_more_suggestions_modal_tolerance)
private val moreSuggestionsListener = object : MoreSuggestionsListener() {
override fun onSuggestionSelected(wordInfo: SuggestedWordInfo) {
listener.pickSuggestionManually(wordInfo)
dismissMoreSuggestionsPanel()
}
override fun onCancelInput() {
dismissMoreSuggestionsPanel()
}
}
private val moreSuggestionsSlidingListener = object : SimpleOnGestureListener() {
override fun onScroll(down: MotionEvent?, me: MotionEvent, deltaX: Float, deltaY: Float): Boolean {
if (down == null) return false
val dy = me.y - down.y
return if (toolbarContainer.visibility != VISIBLE && deltaY > 0 && dy < 0) showMoreSuggestions()
else false
}
}
private val moreSuggestionsSlidingDetector = GestureDetector(context, moreSuggestionsSlidingListener)
// Working variables for onInterceptTouchEvent(MotionEvent) and onTouchEvent(MotionEvent).
private var lastX = 0
private var lastY = 0
private var originX = 0
private var originY = 0
private var needsToTransformTouchEventToHoverEvent = false
private var isDispatchingHoverEventToMoreSuggestions = false
private val moreSuggestionsController: PopupKeysPanel.Controller = object : PopupKeysPanel.Controller {
override fun onDismissPopupKeysPanel() {
mainKeyboardView.onDismissPopupKeysPanel()
}
override fun onShowPopupKeysPanel(panel: PopupKeysPanel) {
mainKeyboardView.onShowPopupKeysPanel(panel)
}
override fun onCancelPopupKeysPanel() {
dismissMoreSuggestionsPanel()
}
}
// public stuff
val isShowingMoreSuggestionPanel get() = moreSuggestionsView.isShowingInParent
/** A connection back to the input method. */
fun setListener(newListener: Listener, inputView: View) {
listener = newListener
mainKeyboardView = inputView.findViewById(R.id.keyboard_view)
}
fun setRtl(isRtlLanguage: Boolean) {
val newLayoutDirection: Int
if (!Settings.getValues().mVarToolbarDirection)
newLayoutDirection = LAYOUT_DIRECTION_LOCALE
else {
newLayoutDirection = if (isRtlLanguage) LAYOUT_DIRECTION_RTL else LAYOUT_DIRECTION_LTR
direction = if (isRtlLanguage) -1 else 1
toolbarExpandKey.scaleX = (if (toolbarContainer.visibility != VISIBLE) 1f else -1f) * direction
}
layoutDirection = newLayoutDirection
suggestionsStrip.layoutDirection = newLayoutDirection
}
fun setToolbarVisibility(toolbarVisible: Boolean) {
// avoid showing toolbar keys when locked
val km = context.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
val locked = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) // todo: move this check to compat (also other uses)
km.isDeviceLocked
else
km.isKeyguardLocked
pinnedKeys.isVisible = !locked && !toolbarVisible
suggestionsStrip.isVisible = locked || !toolbarVisible
toolbarContainer.isVisible = !locked && toolbarVisible
if (DEBUG_SUGGESTIONS) {
for (view in debugInfoViews) {
view.visibility = suggestionsStrip.visibility
}
}
toolbarExpandKey.scaleX = (if (toolbarVisible && !locked) -1f else 1f) * direction
}
fun setSuggestions(suggestions: SuggestedWords, isRtlLanguage: Boolean) {
clear()
setRtl(isRtlLanguage)
suggestedWords = suggestions
startIndexOfMoreSuggestions = layoutHelper.layoutAndReturnStartIndexOfMoreSuggestions(
context, suggestedWords, suggestionsStrip, this
)
isExternalSuggestionVisible = false
}
fun setExternalSuggestionView(view: View?) {
clear()
isExternalSuggestionVisible = true
suggestionsStrip.addView(view)
if (Settings.getValues().mAutoHideToolbar) setToolbarVisibility(false)
}
fun setMoreSuggestionsHeight(remainingHeight: Int) {
layoutHelper.setMoreSuggestionsHeight(remainingHeight)
}
fun dismissMoreSuggestionsPanel() {
moreSuggestionsView.dismissPopupKeysPanel()
}
// overrides: necessarily public, but not used from outside
override fun onSharedPreferenceChanged(prefs: SharedPreferences, key: String?) {
setToolbarButtonsActivatedStateOnPrefChange(pinnedKeys, key)
setToolbarButtonsActivatedStateOnPrefChange(toolbar, key)
}
override fun onVisibilityChanged(view: View, visibility: Int) {
super.onVisibilityChanged(view, visibility)
// workaround for a bug with inline suggestions views that just keep showing up otherwise, https://github.com/Helium314/HeliBoard/pull/386
if (view === this)
suggestionsStrip.visibility = visibility
}
override fun onDetachedFromWindow() {
super.onDetachedFromWindow()
dismissMoreSuggestionsPanel()
}
override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
// Called by the framework when the size is known. Show the important notice if applicable.
// This may be overridden by showing suggestions later, if applicable.
}
override fun dispatchPopulateAccessibilityEvent(event: AccessibilityEvent): Boolean {
// Don't populate accessibility event with suggested words and voice key.
return true
}
// this is only for moreSuggestionsView
override fun onInterceptTouchEvent(motionEvent: MotionEvent): Boolean {
// Disable More Suggestions if external suggestions are visible
if (isExternalSuggestionVisible) {
return false
}
// Detecting sliding up finger to show MoreSuggestionsView.
if (!moreSuggestionsView.isShowingInParent) {
lastX = motionEvent.x.toInt()
lastY = motionEvent.y.toInt()
return moreSuggestionsSlidingDetector.onTouchEvent(motionEvent)
}
if (moreSuggestionsView.isInModalMode) {
return false
}
val index = motionEvent.actionIndex
if (abs((motionEvent.getX(index).toInt() - originX).toDouble()) >= moreSuggestionsModalTolerance
|| originY - motionEvent.getY(index).toInt() >= moreSuggestionsModalTolerance
) {
// Decided to be in the sliding suggestion mode only when the touch point has been moved
// upward. Further MotionEvents will be delivered to onTouchEvent(MotionEvent).
needsToTransformTouchEventToHoverEvent = AccessibilityUtils.instance.isTouchExplorationEnabled
isDispatchingHoverEventToMoreSuggestions = false
return true
}
if (motionEvent.action == MotionEvent.ACTION_UP || motionEvent.action == MotionEvent.ACTION_POINTER_UP) {
// Decided to be in the modal input mode.
moreSuggestionsView.setModalMode()
}
return false
}
// this is only for moreSuggestionsView
@SuppressLint("ClickableViewAccessibility")
override fun onTouchEvent(motionEvent: MotionEvent): Boolean {
if (!moreSuggestionsView.isShowingInParent) {
// Ignore any touch event while more suggestions panel hasn't been shown.
return true
}
// In the sliding input mode. {@link MotionEvent} should be forwarded to
// {@link MoreSuggestionsView}.
val index = motionEvent.actionIndex
val x = moreSuggestionsView.translateX(motionEvent.getX(index).toInt())
val y = moreSuggestionsView.translateY(motionEvent.getY(index).toInt())
motionEvent.setLocation(x.toFloat(), y.toFloat())
if (!needsToTransformTouchEventToHoverEvent) {
moreSuggestionsView.onTouchEvent(motionEvent)
return true
}
// In sliding suggestion mode with accessibility mode on, a touch event should be
// transformed to a hover event.
val width = moreSuggestionsView.width
val height = moreSuggestionsView.height
val onMoreSuggestions = x in 0..<width && y in 0..<height
if (!onMoreSuggestions && !isDispatchingHoverEventToMoreSuggestions) {
// Just drop this touch event because dispatching hover event isn't started yet and
// the touch event isn't on MoreSuggestionsView.
return true
}
val hoverAction: Int
if (onMoreSuggestions && !isDispatchingHoverEventToMoreSuggestions) {
// Transform this touch event to a hover enter event and start dispatching a hover event to MoreSuggestionsView.
isDispatchingHoverEventToMoreSuggestions = true
hoverAction = MotionEvent.ACTION_HOVER_ENTER
} else if (motionEvent.actionMasked == MotionEvent.ACTION_UP) {
// Transform this touch event to a hover exit event and stop dispatching a hover event after this.
isDispatchingHoverEventToMoreSuggestions = false
needsToTransformTouchEventToHoverEvent = false
hoverAction = MotionEvent.ACTION_HOVER_EXIT
} else {
// Transform this touch event to a hover move event.
hoverAction = MotionEvent.ACTION_HOVER_MOVE
}
motionEvent.action = hoverAction
moreSuggestionsView.onHoverEvent(motionEvent)
return true
}
override fun onClick(view: View) {
AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(KeyCode.NOT_SPECIFIED, this)
val tag = view.tag
if (tag is ToolbarKey) {
val code = getCodeForToolbarKey(tag)
if (code != KeyCode.UNSPECIFIED) {
Log.d(TAG, "click toolbar key $tag")
listener.onCodeInput(code, Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE, false)
if (tag === ToolbarKey.INCOGNITO) updateKeys() // update expand key icon
return
}
}
if (view === toolbarExpandKey) {
setToolbarVisibility(toolbarContainer.visibility != VISIBLE)
}
// tag for word views is set in SuggestionStripLayoutHelper (setupWordViewsTextAndColor, layoutPunctuationSuggestions)
if (tag is Int) {
if (tag >= suggestedWords.size()) {
return
}
val wordInfo = suggestedWords.getInfo(tag)
listener.pickSuggestionManually(wordInfo)
}
}
override fun onLongClick(view: View): Boolean {
AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(Constants.NOT_A_CODE, this)
if (view.tag is ToolbarKey) {
onLongClickToolbarKey(view)
return true
}
return if (view is TextView && wordViews.contains(view)) {
onLongClickSuggestion(view)
} else {
showMoreSuggestions()
}
}
// actually private stuff
private fun onLongClickToolbarKey(view: View) {
val tag = view.tag as? ToolbarKey ?: return
if (!Settings.getValues().mQuickPinToolbarKeys || view.parent === pinnedKeys) {
val longClickCode = getCodeForToolbarKeyLongClick(tag)
if (longClickCode != KeyCode.UNSPECIFIED) {
listener.onCodeInput(longClickCode, Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE, false)
}
} else if (view.parent === toolbar) {
val pinnedKeyView = pinnedKeys.findViewWithTag<View>(tag)
if (pinnedKeyView == null) {
addKeyToPinnedKeys(tag)
toolbar.findViewWithTag<View>(tag).background = enabledToolKeyBackground
addPinnedKey(context.prefs(), tag)
} else {
removePinnedKey(context.prefs(), tag)
toolbar.findViewWithTag<View>(tag).background = defaultToolbarBackground.constantState?.newDrawable(resources)
pinnedKeys.removeView(pinnedKeyView)
}
}
}
@SuppressLint("ClickableViewAccessibility") // no need for View#performClick, we only return false mostly anyway
private fun onLongClickSuggestion(wordView: TextView): Boolean {
var showIcon = true
if (wordView.tag is Int) {
val index = wordView.tag as Int
if (index < suggestedWords.size() && suggestedWords.getInfo(index).mSourceDict == Dictionary.DICTIONARY_USER_TYPED)
showIcon = false
}
if (showIcon) {
val icon = KeyboardIconsSet.instance.getNewDrawable(KeyboardIconsSet.NAME_BIN, context)!!
Settings.getValues().mColors.setColor(icon, ColorType.REMOVE_SUGGESTION_ICON)
val w = icon.intrinsicWidth
val h = icon.intrinsicHeight
wordView.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null)
wordView.ellipsize = TextUtils.TruncateAt.END
val downOk = AtomicBoolean(false)
wordView.setOnTouchListener { _, motionEvent ->
if (motionEvent.action == MotionEvent.ACTION_UP && downOk.get()) {
val x = motionEvent.x
val y = motionEvent.y
if (0 < x && x < w && 0 < y && y < h) {
removeSuggestion(wordView)
wordView.cancelLongPress()
wordView.isPressed = false
return@setOnTouchListener true
}
} else if (motionEvent.action == MotionEvent.ACTION_DOWN) {
val x = motionEvent.x
val y = motionEvent.y
if (0 < x && x < w && 0 < y && y < h) {
downOk.set(true)
}
}
false
}
}
if (DebugFlags.DEBUG_ENABLED && (isShowingMoreSuggestionPanel || !showMoreSuggestions())) {
showSourceDict(wordView)
return true
}
return showMoreSuggestions()
}
private fun showMoreSuggestions(): Boolean {
val parentKeyboard = mainKeyboardView.keyboard ?: return false
if (suggestedWords.size() <= startIndexOfMoreSuggestions) {
return false
}
val container = moreSuggestionsContainer
val maxWidth = width - container.paddingLeft - container.paddingRight
val keyboard = moreSuggestionsBuilder.layout(
suggestedWords, startIndexOfMoreSuggestions, maxWidth,
(maxWidth * layoutHelper.mMinMoreSuggestionsWidth).toInt(),
layoutHelper.maxMoreSuggestionsRow, parentKeyboard
).build()
moreSuggestionsView.setKeyboard(keyboard)
container.measure(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)
val pointX = width / 2
val pointY = -layoutHelper.mMoreSuggestionsBottomGap
moreSuggestionsView.showPopupKeysPanel(this, moreSuggestionsController, pointX, pointY, moreSuggestionsListener)
originX = lastX
originY = lastY
for (i in 0..<startIndexOfMoreSuggestions) {
wordViews[i].isPressed = false
}
return true
}
private fun showSourceDict(wordView: TextView) {
val word = wordView.text.toString()
val index = wordView.tag as? Int ?: return
if (index >= suggestedWords.size()) return
val info = suggestedWords.getInfo(index)
if (info.word != word) return
val text = info.mSourceDict.mDictType + ":" + info.mSourceDict.mLocale
if (isShowingMoreSuggestionPanel) {
moreSuggestionsView.dismissPopupKeysPanel()
}
KeyboardSwitcher.getInstance().showToast(text, true)
}
private fun removeSuggestion(wordView: TextView) {
val word = wordView.text.toString()
listener.removeSuggestion(word)
moreSuggestionsView.dismissPopupKeysPanel()
// show suggestions, but without the removed word
val suggestedWordInfos = ArrayList<SuggestedWordInfo>()
for (i in 0..<suggestedWords.size()) {
val info = suggestedWords.getInfo(i)
if (info.word != word) suggestedWordInfos.add(info)
}
suggestedWords.mRawSuggestions?.removeFirst { it.word == word }
val newSuggestedWords = SuggestedWords(
suggestedWordInfos, suggestedWords.mRawSuggestions, suggestedWords.typedWordInfo, suggestedWords.mTypedWordValid,
suggestedWords.mWillAutoCorrect, suggestedWords.mIsObsoleteSuggestions, suggestedWords.mInputStyle, suggestedWords.mSequenceNumber
)
setSuggestions(newSuggestedWords, direction != 1)
suggestionsStrip.isVisible = true
// Show the toolbar if no suggestions are left and the "Auto show toolbar" setting is enabled
if (this.suggestedWords.isEmpty && Settings.getValues().mAutoShowToolbar) {
setToolbarVisibility(true)
}
}
private fun clear() {
suggestionsStrip.removeAllViews()
if (DEBUG_SUGGESTIONS) removeAllDebugInfoViews()
if (!toolbarContainer.isVisible)
suggestionsStrip.isVisible = true
dismissMoreSuggestionsPanel()
for (word in wordViews) {
word.setOnTouchListener(null)
}
}
private fun removeAllDebugInfoViews() {
for (debugInfoView in debugInfoViews) {
val parent = debugInfoView.parent
if (parent is ViewGroup) {
parent.removeView(debugInfoView)
}
}
}
private fun updateKeys() {
val settingsValues = Settings.getValues()
val toolbarVoiceKey = toolbar.findViewWithTag<View>(ToolbarKey.VOICE)
if (toolbarVoiceKey != null) toolbarVoiceKey.isVisible = settingsValues.mShowsVoiceInputKey
val pinnedVoiceKey = pinnedKeys.findViewWithTag<View>(ToolbarKey.VOICE)
if (pinnedVoiceKey != null) pinnedVoiceKey.isVisible = settingsValues.mShowsVoiceInputKey
val toolbarIsExpandable = settingsValues.mToolbarMode == ToolbarMode.EXPANDABLE
if (settingsValues.mIncognitoModeEnabled) {
toolbarExpandKey.setImageDrawable(incognitoIcon)
toolbarExpandKey.isVisible = true
} else {
toolbarExpandKey.setImageDrawable(toolbarArrowIcon)
toolbarExpandKey.isVisible = toolbarIsExpandable
}
// hide pinned keys if device is locked, and avoid expanding toolbar
val km = context.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
val hideToolbarKeys = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1)
km.isDeviceLocked
else
km.isKeyguardLocked
toolbarExpandKey.setOnClickListener(if (hideToolbarKeys || !toolbarIsExpandable) null else this)
pinnedKeys.visibility = if (hideToolbarKeys) GONE else suggestionsStrip.visibility
isExternalSuggestionVisible = false
}
private fun addKeyToPinnedKeys(pinnedKey: ToolbarKey) {
val original = toolbar.findViewWithTag<ImageButton>(pinnedKey) ?: return
// copy the original key to a new ImageButton
val copy = ImageButton(context, null, R.attr.suggestionWordStyle)
copy.tag = pinnedKey
copy.scaleType = original.scaleType
copy.scaleX = original.scaleX
copy.scaleY = original.scaleY
copy.contentDescription = original.contentDescription
copy.setImageDrawable(original.drawable)
copy.layoutParams = original.layoutParams
copy.isActivated = original.isActivated
setupKey(copy, Settings.getValues().mColors)
pinnedKeys.addView(copy)
}
private fun setupKey(view: ImageButton, colors: Colors) {
view.setOnClickListener(this)
view.setOnLongClickListener(this)
colors.setColor(view, ColorType.TOOL_BAR_KEY)
colors.setBackground(view, ColorType.STRIP_BACKGROUND)
}
companion object {
@JvmField
var DEBUG_SUGGESTIONS = false
private const val DEBUG_INFO_TEXT_SIZE_IN_DIP = 6.5f
private val TAG = SuggestionStripView::class.java.simpleName
}
}