Add Settings for vector-specific PointerIcon fill colors.
Bug: 305193969 Test: PointerIconLoadingTest Flag: com.android.systemui.enable_vector_cursor_a11y_settings Change-Id: I84b4a6d5fde48309c2e3374963f92b8246167628
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Pat Manning
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/*
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* Copyright 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.inputmethod;
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import static android.view.PointerIcon.POINTER_ICON_VECTOR_STYLE_FILL_BLACK;
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import static android.view.PointerIcon.POINTER_ICON_VECTOR_STYLE_FILL_BLUE;
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import static android.view.PointerIcon.POINTER_ICON_VECTOR_STYLE_FILL_GREEN;
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import static android.view.PointerIcon.POINTER_ICON_VECTOR_STYLE_FILL_PINK;
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import static android.view.PointerIcon.POINTER_ICON_VECTOR_STYLE_FILL_YELLOW;
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import android.content.Context;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.BlendMode;
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import android.graphics.BlendModeColorFilter;
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import android.graphics.Color;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.GradientDrawable;
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import android.graphics.drawable.StateListDrawable;
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import android.provider.Settings;
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import android.util.AttributeSet;
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import android.util.StateSet;
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import android.view.Gravity;
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import android.view.PointerIcon;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceViewHolder;
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import com.android.settings.R;
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import com.android.settingslib.Utils;
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public class PointerFillStylePreference extends Preference {
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@Nullable private LinearLayout mButtonHolder;
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public PointerFillStylePreference(@NonNull Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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setLayoutResource(R.layout.pointer_icon_fill_style_layout);
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}
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@Override
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public void onBindViewHolder(@NonNull PreferenceViewHolder holder) {
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super.onBindViewHolder(holder);
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mButtonHolder = (LinearLayout) holder.findViewById(R.id.button_holder);
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// Intercept hover events so setting row does not highlight when hovering buttons.
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if (mButtonHolder != null) {
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mButtonHolder.setOnHoverListener((v, e) -> true);
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}
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int currentStyle = getPreferenceDataStore().getInt(Settings.System.POINTER_FILL_STYLE,
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POINTER_ICON_VECTOR_STYLE_FILL_BLACK);
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initStyleButton(holder, R.id.button_black, POINTER_ICON_VECTOR_STYLE_FILL_BLACK,
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currentStyle);
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initStyleButton(holder, R.id.button_green, POINTER_ICON_VECTOR_STYLE_FILL_GREEN,
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currentStyle);
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initStyleButton(holder, R.id.button_yellow, POINTER_ICON_VECTOR_STYLE_FILL_YELLOW,
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currentStyle);
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initStyleButton(holder, R.id.button_pink, POINTER_ICON_VECTOR_STYLE_FILL_PINK,
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currentStyle);
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initStyleButton(holder, R.id.button_blue, POINTER_ICON_VECTOR_STYLE_FILL_BLUE,
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currentStyle);
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}
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private void initStyleButton(@NonNull PreferenceViewHolder holder, int id, int style,
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int currentStyle) {
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ImageView button = (ImageView) holder.findViewById(id);
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if (button == null) {
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return;
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}
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int[] attrs = {com.android.internal.R.attr.pointerIconVectorFill};
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try (TypedArray ta = getContext().obtainStyledAttributes(
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PointerIcon.vectorFillStyleToResource(style), attrs)) {
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button.setBackground(getBackgroundSelector(ta.getColor(0, Color.BLACK)));
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}
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button.setForeground(getForegroundDrawable(style, currentStyle));
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button.setForegroundGravity(Gravity.CENTER);
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button.setOnClickListener(
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(v) -> {
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getPreferenceDataStore().putInt(Settings.System.POINTER_FILL_STYLE, style);
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setButtonChecked(id);
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});
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button.setPointerIcon(PointerIcon.getSystemIcon(getContext(), PointerIcon.TYPE_ARROW));
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}
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// Generate background instead of defining in XML so we can use res color from the platform.
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private StateListDrawable getBackgroundSelector(int color) {
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StateListDrawable background = new StateListDrawable();
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Resources res = getContext().getResources();
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int ovalSize = res.getDimensionPixelSize(R.dimen.pointer_fill_style_circle_diameter);
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background.setBounds(0, 0, ovalSize, ovalSize);
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// Add hovered state first! The order states are added matters for a StateListDrawable.
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GradientDrawable hoveredOval = new GradientDrawable();
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hoveredOval.setColor(color);
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int textColor = Utils.getColorAttr(getContext(),
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com.android.internal.R.attr.materialColorOutline).getDefaultColor();
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hoveredOval.setStroke(
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res.getDimensionPixelSize(R.dimen.pointer_fill_style_shape_hovered_stroke),
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textColor);
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hoveredOval.setSize(ovalSize, ovalSize);
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hoveredOval.setBounds(0, 0, ovalSize, ovalSize);
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hoveredOval.setCornerRadius(ovalSize / 2f);
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background.addState(new int[]{android.R.attr.state_hovered}, hoveredOval);
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GradientDrawable defaultOval = new GradientDrawable();
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defaultOval.setColor(color);
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defaultOval.setStroke(
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res.getDimensionPixelSize(R.dimen.pointer_fill_style_shape_default_stroke),
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textColor);
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defaultOval.setSize(ovalSize, ovalSize);
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defaultOval.setBounds(0, 0, ovalSize, ovalSize);
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defaultOval.setCornerRadius(ovalSize / 2f);
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background.addState(StateSet.WILD_CARD, defaultOval);
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return background;
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}
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private Drawable getForegroundDrawable(int style, int currentStyle) {
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Resources res = getContext().getResources();
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int ovalSize = res.getDimensionPixelSize(R.dimen.pointer_fill_style_circle_diameter);
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Drawable checkMark = getContext().getDrawable(R.drawable.ic_check_24dp);
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int padding = res.getDimensionPixelSize(R.dimen.pointer_fill_style_circle_padding) / 2;
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checkMark.setBounds(padding, padding, ovalSize - padding, ovalSize - padding);
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checkMark.setColorFilter(new BlendModeColorFilter(Color.WHITE, BlendMode.SRC_IN));
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checkMark.setAlpha(style == currentStyle ? 255 : 0);
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return checkMark;
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}
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private void setButtonChecked(int id) {
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if (mButtonHolder == null) {
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return;
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}
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for (int i = 0; i < mButtonHolder.getChildCount(); i++) {
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View child = mButtonHolder.getChildAt(i);
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if (child != null) {
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child.getForeground().setAlpha(child.getId() == id ? 255 : 0);
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}
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}
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}
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}
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@@ -0,0 +1,67 @@
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/*
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* Copyright 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.inputmethod;
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import android.content.Context;
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import android.os.UserHandle;
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import android.provider.Settings;
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import androidx.annotation.NonNull;
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import androidx.annotation.VisibleForTesting;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceDataStore;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.core.BasePreferenceController;
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public class PointerFillStylePreferenceController extends BasePreferenceController {
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@VisibleForTesting
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static final String KEY_POINTER_FILL_STYLE = "pointer_fill_style";
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public PointerFillStylePreferenceController(@NonNull Context context) {
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super(context, KEY_POINTER_FILL_STYLE);
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}
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@AvailabilityStatus
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public int getAvailabilityStatus() {
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return android.view.flags.Flags.enableVectorCursorA11ySettings() ? AVAILABLE
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: CONDITIONALLY_UNAVAILABLE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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Preference pointerFillStylePreference = screen.findPreference(KEY_POINTER_FILL_STYLE);
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if (pointerFillStylePreference == null) {
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return;
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}
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pointerFillStylePreference.setPreferenceDataStore(new PreferenceDataStore() {
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@Override
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public void putInt(@NonNull String key, int value) {
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Settings.System.putIntForUser(mContext.getContentResolver(), key, value,
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UserHandle.USER_CURRENT);
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}
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@Override
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public int getInt(@NonNull String key, int defValue) {
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return Settings.System.getIntForUser(mContext.getContentResolver(), key, defValue,
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UserHandle.USER_CURRENT);
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}
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});
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}
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}
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