Create settings for window magnification (2/n)
Provide a setting for new Magnify area feature and joystick controller Bug: 146019459 Bug: 146473544 Test: make RunSettingsRoboTests ROBOTEST_FILTER=MagnificationModePreferenceControllerTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=MagnificationWindowControlPreferenceControllerTest Test: make RunSettingsRoboTests2 Change-Id: Ia32fa073c59ad304e9ef9eb530ba37dd24c2f2f6
This commit is contained in:
menghanli
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/*
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* Copyright (C) 2019 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.accessibility;
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import android.app.Dialog;
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import android.app.settings.SettingsEnums;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.view.View;
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import android.widget.CheckBox;
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import androidx.annotation.IntDef;
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import androidx.appcompat.app.AlertDialog;
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import androidx.preference.Preference;
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import com.android.settings.R;
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import com.android.settings.dashboard.DashboardFragment;
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import com.android.settings.search.BaseSearchIndexProvider;
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import com.android.settingslib.search.SearchIndexable;
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import com.google.common.primitives.Ints;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/** Settings page for magnification. */
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@SearchIndexable
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public class MagnificationSettingsFragment extends DashboardFragment {
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private static final String TAG = "MagnificationSettingsFragment";
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private static final String PREF_KEY_MODE = "magnification_mode";
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// TODO(b/146019459): Use magnification_capability.
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private static final String KEY_CAPABILITY = Settings.System.MASTER_MONO;
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private static final int DIALOG_MAGNIFICATION_CAPABILITY = 1;
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private static final String EXTRA_CAPABILITY = "capability";
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private Preference mModePreference;
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private int mCapabilities = MagnifyMode.NONE;
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private CheckBox mMagnifyFullScreenCheckBox;
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private CheckBox mMagnifyWindowCheckBox;
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static String getMagnificationCapabilitiesSummary(Context context) {
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final String[] magnificationModeSummaries = context.getResources().getStringArray(
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R.array.magnification_mode_summaries);
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final int[] magnificationModeValues = context.getResources().getIntArray(
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R.array.magnification_mode_values);
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final int capabilities = MagnificationSettingsFragment.getMagnificationCapabilities(
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context);
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final int idx = Ints.indexOf(magnificationModeValues, capabilities);
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return magnificationModeSummaries[idx == -1 ? 0 : idx];
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}
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private static int getMagnificationCapabilities(Context context) {
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return getSecureIntValue(context, KEY_CAPABILITY, MagnifyMode.FULLSCREEN);
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}
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private static int getSecureIntValue(Context context, String key, int defaultValue) {
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return Settings.Secure.getIntForUser(
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context.getContentResolver(),
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key, defaultValue, context.getContentResolver().getUserId());
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}
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@Override
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public int getMetricsCategory() {
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return SettingsEnums.ACCESSIBILITY_MAGNIFICATION_SETTINGS;
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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outState.putInt(EXTRA_CAPABILITY, mCapabilities);
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super.onSaveInstanceState(outState);
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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if (savedInstanceState != null) {
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mCapabilities = savedInstanceState.getInt(EXTRA_CAPABILITY, MagnifyMode.NONE);
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}
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if (mCapabilities == MagnifyMode.NONE) {
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mCapabilities = getMagnificationCapabilities(getPrefContext());
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}
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}
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@Override
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public int getDialogMetricsCategory(int dialogId) {
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switch (dialogId) {
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case DIALOG_MAGNIFICATION_CAPABILITY:
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return SettingsEnums.DIALOG_MAGNIFICATION_CAPABILITY;
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default:
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return 0;
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}
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}
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@Override
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protected String getLogTag() {
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return TAG;
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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mModePreference = findPreference(PREF_KEY_MODE);
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mModePreference.setOnPreferenceClickListener(preference -> {
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mCapabilities = getMagnificationCapabilities(getPrefContext());
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showDialog(DIALOG_MAGNIFICATION_CAPABILITY);
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return true;
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});
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}
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@Override
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protected int getPreferenceScreenResId() {
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return R.xml.accessibility_magnification_service_settings;
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}
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@Override
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public Dialog onCreateDialog(int dialogId) {
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if (dialogId == DIALOG_MAGNIFICATION_CAPABILITY) {
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final String title = getPrefContext().getString(
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R.string.accessibility_magnification_mode_title);
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AlertDialog alertDialog = AccessibilityEditDialogUtils
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.showMagnificationModeDialog(getPrefContext(), title,
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this::callOnAlertDialogCheckboxClicked);
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initializeDialogCheckBox(alertDialog);
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return alertDialog;
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}
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throw new IllegalArgumentException("Unsupported dialogId " + dialogId);
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}
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private void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
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updateCapabilities(true);
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mModePreference.setSummary(
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getMagnificationCapabilitiesSummary(getPrefContext()));
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}
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private void initializeDialogCheckBox(AlertDialog dialog) {
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final View dialogFullScreenView = dialog.findViewById(R.id.magnify_full_screen);
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mMagnifyFullScreenCheckBox = dialogFullScreenView.findViewById(R.id.checkbox);
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final View dialogWidowView = dialog.findViewById(R.id.magnify_window_screen);
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mMagnifyWindowCheckBox = dialogWidowView.findViewById(R.id.checkbox);
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updateAlertDialogCheckState();
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updateAlertDialogEnableState();
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}
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private void updateAlertDialogCheckState() {
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updateCheckStatus(mMagnifyWindowCheckBox, MagnifyMode.WINDOW);
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updateCheckStatus(mMagnifyFullScreenCheckBox, MagnifyMode.FULLSCREEN);
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}
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private void updateCheckStatus(CheckBox checkBox, int mode) {
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checkBox.setChecked((mode & mCapabilities) != 0);
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checkBox.setOnClickListener(v -> {
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updateCapabilities(false);
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updateAlertDialogEnableState();
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});
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}
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private void updateAlertDialogEnableState() {
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if (mCapabilities != MagnifyMode.ALL) {
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disableEnabledMagnificationModePreference();
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} else {
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enableAllPreference();
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}
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}
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private void enableAllPreference() {
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mMagnifyFullScreenCheckBox.setEnabled(true);
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mMagnifyWindowCheckBox.setEnabled(true);
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}
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private void disableEnabledMagnificationModePreference() {
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if (!mMagnifyFullScreenCheckBox.isChecked()) {
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mMagnifyWindowCheckBox.setEnabled(false);
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} else if (!mMagnifyWindowCheckBox.isChecked()) {
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mMagnifyFullScreenCheckBox.setEnabled(false);
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}
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}
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private void updateCapabilities(boolean saveToDB) {
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int capabilities = 0;
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capabilities |=
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mMagnifyFullScreenCheckBox.isChecked() ? MagnifyMode.FULLSCREEN : 0;
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capabilities |= mMagnifyWindowCheckBox.isChecked() ? MagnifyMode.WINDOW : 0;
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mCapabilities = capabilities;
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if (saveToDB) {
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setMagnificationCapabilities(capabilities);
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}
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}
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private void setSecureIntValue(String key, int value) {
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Settings.Secure.putIntForUser(getPrefContext().getContentResolver(),
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key, value, getPrefContext().getContentResolver().getUserId());
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}
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private void setMagnificationCapabilities(int capabilities) {
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setSecureIntValue(KEY_CAPABILITY, capabilities);
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}
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@Retention(RetentionPolicy.SOURCE)
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@IntDef({
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MagnifyMode.NONE,
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MagnifyMode.FULLSCREEN,
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MagnifyMode.WINDOW,
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MagnifyMode.ALL,
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})
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private @interface MagnifyMode {
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int NONE = 0;
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int FULLSCREEN = 1;
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int WINDOW = 2;
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int ALL = 3;
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}
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public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
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new BaseSearchIndexProvider(R.xml.accessibility_magnification_service_settings);
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}
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