src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java - LeafOS-Project/android_packages_apps_Settings - Gitiles

 /*
  * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.settings.dashboard;

 import static android.content.Intent.EXTRA_USER;

 import static com.android.settingslib.drawer.SwitchesProvider.EXTRA_SWITCH_CHECKED_STATE;
 import static com.android.settingslib.drawer.SwitchesProvider.EXTRA_SWITCH_SET_CHECKED_ERROR;
 import static com.android.settingslib.drawer.SwitchesProvider.EXTRA_SWITCH_SET_CHECKED_ERROR_MESSAGE;
 import static com.android.settingslib.drawer.SwitchesProvider.METHOD_GET_DYNAMIC_SUMMARY;
 import static com.android.settingslib.drawer.SwitchesProvider.METHOD_GET_DYNAMIC_TITLE;
 import static com.android.settingslib.drawer.SwitchesProvider.METHOD_GET_PROVIDER_ICON;
 import static com.android.settingslib.drawer.SwitchesProvider.METHOD_IS_CHECKED;
 import static com.android.settingslib.drawer.SwitchesProvider.METHOD_ON_CHECKED_CHANGED;
 import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_ICON_URI;
 import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SUMMARY;
 import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SUMMARY_URI;
 import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SWITCH_URI;
 import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_TITLE;
 import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_TITLE_URI;

 import android.app.settings.SettingsEnums;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.IContentProvider;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Pair;
 import android.widget.Toast;

 import androidx.annotation.VisibleForTesting;
 import androidx.fragment.app.FragmentActivity;
 import androidx.preference.Preference;
 import androidx.preference.SwitchPreference;

 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
 import com.android.settings.Utils;
 import com.android.settings.activityembedding.ActivityEmbeddingRulesController;
 import com.android.settings.activityembedding.ActivityEmbeddingUtils;
 import com.android.settings.dashboard.profileselector.ProfileSelectDialog;
 import com.android.settings.homepage.TopLevelHighlightMixin;
 import com.android.settings.homepage.TopLevelSettings;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.PrimarySwitchPreference;
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.drawer.ActivityTile;
 import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
 import com.android.settingslib.drawer.TileUtils;
 import com.android.settingslib.utils.ThreadUtils;
 import com.android.settingslib.widget.AdaptiveIcon;

 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;

 /**
  * Impl for {@code DashboardFeatureProvider}.
  */
 public class DashboardFeatureProviderImpl implements DashboardFeatureProvider {

     private static final String TAG = "DashboardFeatureImpl";
     private static final String DASHBOARD_TILE_PREF_KEY_PREFIX = "dashboard_tile_pref_";
     private static final String META_DATA_KEY_INTENT_ACTION = "com.android.settings.intent.action";

     protected final Context mContext;

     private final MetricsFeatureProvider mMetricsFeatureProvider;
     private final CategoryManager mCategoryManager;
     private final PackageManager mPackageManager;

     public DashboardFeatureProviderImpl(Context context) {
         mContext = context.getApplicationContext();
         mCategoryManager = CategoryManager.get(context);
         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
         mPackageManager = context.getPackageManager();
     }

     @Override
     public DashboardCategory getTilesForCategory(String key) {
         return mCategoryManager.getTilesByCategory(mContext, key);
     }

     @Override
     public List<DashboardCategory> getAllCategories() {
         return mCategoryManager.getCategories(mContext);
     }

     @Override
     public String getDashboardKeyForTile(Tile tile) {
         if (tile == null) {
             return null;
         }
         if (tile.hasKey()) {
             return tile.getKey(mContext);
         }
         final StringBuilder sb = new StringBuilder(DASHBOARD_TILE_PREF_KEY_PREFIX);
         final ComponentName component = tile.getIntent().getComponent();
         sb.append(component.getClassName());
         return sb.toString();
     }

     @Override
     public List<DynamicDataObserver> bindPreferenceToTileAndGetObservers(FragmentActivity activity,
             DashboardFragment fragment, boolean forceRoundedIcon, Preference pref, Tile tile,
             String key, int baseOrder) {
         if (pref == null) {
             return null;
         }
         if (!TextUtils.isEmpty(key)) {
             pref.setKey(key);
         } else {
             pref.setKey(getDashboardKeyForTile(tile));
         }
         final List<DynamicDataObserver> outObservers = new ArrayList<>();
         DynamicDataObserver observer = bindTitleAndGetObserver(pref, tile);
         if (observer != null) {
             outObservers.add(observer);
         }
         observer = bindSummaryAndGetObserver(pref, tile);
         if (observer != null) {
             outObservers.add(observer);
         }
         observer = bindSwitchAndGetObserver(pref, tile);
         if (observer != null) {
             outObservers.add(observer);
         }
         bindIcon(pref, tile, forceRoundedIcon);

         if (tile instanceof ActivityTile) {
             final int sourceMetricsCategory = fragment.getMetricsCategory();
             final Bundle metadata = tile.getMetaData();
             String clsName = null;
             String action = null;
             if (metadata != null) {
                 clsName = metadata.getString(SettingsActivity.META_DATA_KEY_FRAGMENT_CLASS);
                 action = metadata.getString(META_DATA_KEY_INTENT_ACTION);
             }
             if (!TextUtils.isEmpty(clsName)) {
                 pref.setFragment(clsName);
             } else {
                 final Intent intent = new Intent(tile.getIntent());
                 intent.putExtra(MetricsFeatureProvider.EXTRA_SOURCE_METRICS_CATEGORY,
                         sourceMetricsCategory);
                 if (action != null) {
                     intent.setAction(action);
                 }
                 // Register the rule for injected apps.
                 if (fragment instanceof TopLevelSettings) {
                     ActivityEmbeddingRulesController.registerTwoPanePairRuleForSettingsHome(
                             mContext,
                             new ComponentName(tile.getPackageName(), tile.getComponentName()),
                             action,
                             true /* clearTop */);
                 }
                 pref.setOnPreferenceClickListener(preference -> {
                     TopLevelHighlightMixin highlightMixin = null;
                     boolean isDuplicateClick = false;
                     if (fragment instanceof TopLevelSettings
                             && ActivityEmbeddingUtils.isEmbeddingActivityEnabled(mContext)) {
                         // Highlight the preference whenever it's clicked
                         final TopLevelSettings topLevelSettings = (TopLevelSettings) fragment;
                         highlightMixin = topLevelSettings.getHighlightMixin();
                         isDuplicateClick = topLevelSettings.isDuplicateClick(preference);
                         topLevelSettings.setHighlightPreferenceKey(key);
                     }
                     launchIntentOrSelectProfile(activity, tile, intent, sourceMetricsCategory,
                             highlightMixin, isDuplicateClick);
                     return true;
                 });
             }
         }

         if (tile.hasOrder()) {
             final String skipOffsetPackageName = activity.getPackageName();
             final int order = tile.getOrder();
             boolean shouldSkipBaseOrderOffset = TextUtils.equals(
                     skipOffsetPackageName, tile.getIntent().getComponent().getPackageName());
             if (shouldSkipBaseOrderOffset || baseOrder == Preference.DEFAULT_ORDER) {
                 pref.setOrder(order);
             } else {
                 pref.setOrder(order + baseOrder);
             }
         }
         return outObservers.isEmpty() ? null : outObservers;
     }

     @Override
     public void openTileIntent(FragmentActivity activity, Tile tile) {
         if (tile == null) {
             Intent intent = new Intent(Settings.ACTION_SETTINGS).addFlags(
                     Intent.FLAG_ACTIVITY_CLEAR_TASK);
             mContext.startActivity(intent);
             return;
         }
         final Intent intent = new Intent(tile.getIntent())
                 .putExtra(MetricsFeatureProvider.EXTRA_SOURCE_METRICS_CATEGORY,
                         SettingsEnums.DASHBOARD_SUMMARY)
                 .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
         launchIntentOrSelectProfile(activity, tile, intent, SettingsEnums.DASHBOARD_SUMMARY,
                 /* highlightMixin= */ null, /* isDuplicateClick= */ false);
     }

     private DynamicDataObserver createDynamicDataObserver(String method, Uri uri, Preference pref) {
         return new DynamicDataObserver() {
             @Override
             public Uri getUri() {
                 return uri;
             }

             @Override
             public void onDataChanged() {
                 switch (method) {
                     case METHOD_GET_DYNAMIC_TITLE:
                         refreshTitle(uri, pref, this);
                         break;
                     case METHOD_GET_DYNAMIC_SUMMARY:
                         refreshSummary(uri, pref, this);
                         break;
                     case METHOD_IS_CHECKED:
                         refreshSwitch(uri, pref, this);
                         break;
                 }
             }
         };
     }

     private DynamicDataObserver bindTitleAndGetObserver(Preference preference, Tile tile) {
         final CharSequence title = tile.getTitle(mContext.getApplicationContext());
         if (title != null) {
             preference.setTitle(title);
             return null;
         }
         if (tile.getMetaData() != null && tile.getMetaData().containsKey(
                 META_DATA_PREFERENCE_TITLE_URI)) {
             // Set a placeholder title before starting to fetch real title, this is necessary
             // to avoid preference height change.
             if (preference.getTitle() == null) {
                 preference.setTitle(R.string.summary_placeholder);
             }

             final Uri uri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_TITLE_URI,
                     METHOD_GET_DYNAMIC_TITLE);
             return createDynamicDataObserver(METHOD_GET_DYNAMIC_TITLE, uri, preference);
         }
         return null;
     }

     private void refreshTitle(Uri uri, Preference preference, DynamicDataObserver observer) {
         ThreadUtils.postOnBackgroundThread(() -> {
             final Map<String, IContentProvider> providerMap = new ArrayMap<>();
             final String titleFromUri = TileUtils.getTextFromUri(
                     mContext, uri, providerMap, META_DATA_PREFERENCE_TITLE);
             if (!TextUtils.equals(titleFromUri, preference.getTitle())) {
                 observer.post(() -> preference.setTitle(titleFromUri));
             }
         });
     }

     private DynamicDataObserver bindSummaryAndGetObserver(Preference preference, Tile tile) {
         final CharSequence summary = tile.getSummary(mContext);
         if (summary != null) {
             preference.setSummary(summary);
         } else if (tile.getMetaData() != null
                 && tile.getMetaData().containsKey(META_DATA_PREFERENCE_SUMMARY_URI)) {
             // Set a placeholder summary before starting to fetch real summary, this is necessary
             // to avoid preference height change.
             if (preference.getSummary() == null) {
                 preference.setSummary(R.string.summary_placeholder);
             }

             final Uri uri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_SUMMARY_URI,
                     METHOD_GET_DYNAMIC_SUMMARY);
             return createDynamicDataObserver(METHOD_GET_DYNAMIC_SUMMARY, uri, preference);
         }
         return null;
     }

     private void refreshSummary(Uri uri, Preference preference, DynamicDataObserver observer) {
         ThreadUtils.postOnBackgroundThread(() -> {
             final Map<String, IContentProvider> providerMap = new ArrayMap<>();
             final String summaryFromUri = TileUtils.getTextFromUri(
                     mContext, uri, providerMap, META_DATA_PREFERENCE_SUMMARY);
             if (!TextUtils.equals(summaryFromUri, preference.getSummary())) {
                 observer.post(() -> preference.setSummary(summaryFromUri));
             }
         });
     }

     private DynamicDataObserver bindSwitchAndGetObserver(Preference preference, Tile tile) {
         if (!tile.hasSwitch()) {
             return null;
         }

         final Uri onCheckedChangedUri = TileUtils.getCompleteUri(tile,
                 META_DATA_PREFERENCE_SWITCH_URI, METHOD_ON_CHECKED_CHANGED);
         preference.setOnPreferenceChangeListener((pref, newValue) -> {
             onCheckedChanged(onCheckedChangedUri, pref, (boolean) newValue);
             return true;
         });

         final Uri isCheckedUri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_SWITCH_URI,
                 METHOD_IS_CHECKED);
         setSwitchEnabled(preference, false);
         return createDynamicDataObserver(METHOD_IS_CHECKED, isCheckedUri, preference);
     }

     private void onCheckedChanged(Uri uri, Preference pref, boolean checked) {
         setSwitchEnabled(pref, false);
         ThreadUtils.postOnBackgroundThread(() -> {
             final Map<String, IContentProvider> providerMap = new ArrayMap<>();
             final Bundle result = TileUtils.putBooleanToUriAndGetResult(mContext, uri, providerMap,
                     EXTRA_SWITCH_CHECKED_STATE, checked);

             ThreadUtils.postOnMainThread(() -> {
                 setSwitchEnabled(pref, true);
                 final boolean error = result.getBoolean(EXTRA_SWITCH_SET_CHECKED_ERROR);
                 if (!error) {
                     return;
                 }

                 setSwitchChecked(pref, !checked);
                 final String errorMsg = result.getString(EXTRA_SWITCH_SET_CHECKED_ERROR_MESSAGE);
                 if (!TextUtils.isEmpty(errorMsg)) {
                     Toast.makeText(mContext, errorMsg, Toast.LENGTH_SHORT).show();
                 }
             });
         });
     }

     private void refreshSwitch(Uri uri, Preference preference, DynamicDataObserver observer) {
         ThreadUtils.postOnBackgroundThread(() -> {
             final Map<String, IContentProvider> providerMap = new ArrayMap<>();
             final boolean checked = TileUtils.getBooleanFromUri(mContext, uri, providerMap,
                     EXTRA_SWITCH_CHECKED_STATE);
             observer.post(() -> {
                 setSwitchChecked(preference, checked);
                 setSwitchEnabled(preference, true);
             });
         });
     }

     private void setSwitchChecked(Preference pref, boolean checked) {
         if (pref instanceof PrimarySwitchPreference) {
             ((PrimarySwitchPreference) pref).setChecked(checked);
         } else if (pref instanceof SwitchPreference) {
             ((SwitchPreference) pref).setChecked(checked);
         }
     }

     private void setSwitchEnabled(Preference pref, boolean enabled) {
         if (pref instanceof PrimarySwitchPreference) {
             ((PrimarySwitchPreference) pref).setSwitchEnabled(enabled);
         } else {
             pref.setEnabled(enabled);
         }
     }

     @VisibleForTesting
     void bindIcon(Preference preference, Tile tile, boolean forceRoundedIcon) {
         // Icon provided by the content provider overrides any static icon.
         if (tile.getMetaData() != null
                 && tile.getMetaData().containsKey(META_DATA_PREFERENCE_ICON_URI)) {
             // Reserve the icon space to avoid preference padding change.
             preference.setIconSpaceReserved(true);

             ThreadUtils.postOnBackgroundThread(() -> {
                 final Intent intent = tile.getIntent();
                 String packageName = null;
                 if (!TextUtils.isEmpty(intent.getPackage())) {
                     packageName = intent.getPackage();
                 } else if (intent.getComponent() != null) {
                     packageName = intent.getComponent().getPackageName();
                 }
                 final Map<String, IContentProvider> providerMap = new ArrayMap<>();
                 final Uri uri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_ICON_URI,
                         METHOD_GET_PROVIDER_ICON);
                 final Pair<String, Integer> iconInfo = TileUtils.getIconFromUri(
                         mContext, packageName, uri, providerMap);
                 if (iconInfo == null) {
                     Log.w(TAG, "Failed to get icon from uri " + uri);
                     return;
                 }
                 final Icon icon = Icon.createWithResource(iconInfo.first, iconInfo.second);
                 ThreadUtils.postOnMainThread(() -> {
                     setPreferenceIcon(preference, tile, forceRoundedIcon, iconInfo.first, icon);
                 });
             });
             return;
         }

         // Use preference context instead here when get icon from Tile, as we are using the context
         // to get the style to tint the icon. Using mContext here won't get the correct style.
         final Icon tileIcon = tile.getIcon(preference.getContext());
         if (tileIcon == null) {
             return;
         }
         setPreferenceIcon(preference, tile, forceRoundedIcon, tile.getPackageName(), tileIcon);
     }

     private void setPreferenceIcon(Preference preference, Tile tile, boolean forceRoundedIcon,
             String iconPackage, Icon icon) {
         Drawable iconDrawable = icon.loadDrawable(preference.getContext());
         if (iconDrawable == null) {
             Log.w(TAG, "Set null preference icon for: " + iconPackage);
             preference.setIcon(null);
             return;
         }
         if (TextUtils.equals(tile.getCategory(), CategoryKey.CATEGORY_HOMEPAGE)) {
             iconDrawable.setTint(Utils.getHomepageIconColor(preference.getContext()));
         } else if (forceRoundedIcon && !TextUtils.equals(mContext.getPackageName(), iconPackage)) {
             iconDrawable = new AdaptiveIcon(mContext, iconDrawable,
                     R.dimen.dashboard_tile_foreground_image_inset);
             ((AdaptiveIcon) iconDrawable).setBackgroundColor(mContext, tile);
         }
         preference.setIcon(iconDrawable);
     }

     private void launchIntentOrSelectProfile(FragmentActivity activity, Tile tile, Intent intent,
             int sourceMetricCategory, TopLevelHighlightMixin highlightMixin,
             boolean isDuplicateClick) {
         if (!isIntentResolvable(intent)) {
             Log.w(TAG, "Cannot resolve intent, skipping. " + intent);
             return;
         }
         ProfileSelectDialog.updateUserHandlesIfNeeded(mContext, tile);

         if (tile.userHandle == null || tile.isPrimaryProfileOnly()) {
             if (!isDuplicateClick) {
                 mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
                 activity.startActivity(intent);
             }
         } else if (tile.userHandle.size() == 1) {
             if (!isDuplicateClick) {
                 mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
                 activity.startActivityAsUser(intent, tile.userHandle.get(0));
             }
         } else {
             final UserHandle userHandle = intent.getParcelableExtra(EXTRA_USER);
             if (userHandle != null && tile.userHandle.contains(userHandle)) {
                 if (!isDuplicateClick) {
                     mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
                     activity.startActivityAsUser(intent, userHandle);
                 }
                 return;
             }

             final List<UserHandle> resolvableUsers = getResolvableUsers(intent, tile);
             if (resolvableUsers.size() == 1) {
                 if (!isDuplicateClick) {
                     mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
                     activity.startActivityAsUser(intent, resolvableUsers.get(0));
                 }
                 return;
             }

             // Show the profile select dialog regardless of the duplicate click.
             mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
             ProfileSelectDialog.show(activity.getSupportFragmentManager(), tile,
                     sourceMetricCategory, /* onShowListener= */ highlightMixin,
                     /* onDismissListener= */ highlightMixin,
                     /* onCancelListener= */ highlightMixin);
         }
     }

     private boolean isIntentResolvable(Intent intent) {
         return mPackageManager.resolveActivity(intent, 0) != null;
     }

     private List<UserHandle> getResolvableUsers(Intent intent, Tile tile) {
         final ArrayList<UserHandle> eligibleUsers = new ArrayList<>();
         for (UserHandle user : tile.userHandle) {
             if (mPackageManager.resolveActivityAsUser(intent, 0, user.getIdentifier()) != null) {
                 eligibleUsers.add(user);
             }
         }
         return eligibleUsers;
     }
 }
	/*
	* Copyright (C) 2015 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.settings.dashboard;

	import static android.content.Intent.EXTRA_USER;

	import static com.android.settingslib.drawer.SwitchesProvider.EXTRA_SWITCH_CHECKED_STATE;
	import static com.android.settingslib.drawer.SwitchesProvider.EXTRA_SWITCH_SET_CHECKED_ERROR;
	import static com.android.settingslib.drawer.SwitchesProvider.EXTRA_SWITCH_SET_CHECKED_ERROR_MESSAGE;
	import static com.android.settingslib.drawer.SwitchesProvider.METHOD_GET_DYNAMIC_SUMMARY;
	import static com.android.settingslib.drawer.SwitchesProvider.METHOD_GET_DYNAMIC_TITLE;
	import static com.android.settingslib.drawer.SwitchesProvider.METHOD_GET_PROVIDER_ICON;
	import static com.android.settingslib.drawer.SwitchesProvider.METHOD_IS_CHECKED;
	import static com.android.settingslib.drawer.SwitchesProvider.METHOD_ON_CHECKED_CHANGED;
	import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_ICON_URI;
	import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SUMMARY;
	import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SUMMARY_URI;
	import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SWITCH_URI;
	import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_TITLE;
	import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_TITLE_URI;

	import android.app.settings.SettingsEnums;
	import android.content.ComponentName;
	import android.content.Context;
	import android.content.IContentProvider;
	import android.content.Intent;
	import android.content.pm.PackageManager;
	import android.graphics.drawable.Drawable;
	import android.graphics.drawable.Icon;
	import android.net.Uri;
	import android.os.Bundle;
	import android.os.UserHandle;
	import android.provider.Settings;
	import android.text.TextUtils;
	import android.util.ArrayMap;
	import android.util.Log;
	import android.util.Pair;
	import android.widget.Toast;

	import androidx.annotation.VisibleForTesting;
	import androidx.fragment.app.FragmentActivity;
	import androidx.preference.Preference;
	import androidx.preference.SwitchPreference;

	import com.android.settings.R;
	import com.android.settings.SettingsActivity;
	import com.android.settings.Utils;
	import com.android.settings.activityembedding.ActivityEmbeddingRulesController;
	import com.android.settings.activityembedding.ActivityEmbeddingUtils;
	import com.android.settings.dashboard.profileselector.ProfileSelectDialog;
	import com.android.settings.homepage.TopLevelHighlightMixin;
	import com.android.settings.homepage.TopLevelSettings;
	import com.android.settings.overlay.FeatureFactory;
	import com.android.settingslib.PrimarySwitchPreference;
	import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
	import com.android.settingslib.drawer.ActivityTile;
	import com.android.settingslib.drawer.CategoryKey;
	import com.android.settingslib.drawer.DashboardCategory;
	import com.android.settingslib.drawer.Tile;
	import com.android.settingslib.drawer.TileUtils;
	import com.android.settingslib.utils.ThreadUtils;
	import com.android.settingslib.widget.AdaptiveIcon;

	import java.util.ArrayList;
	import java.util.List;
	import java.util.Map;

	/**
	* Impl for {@code DashboardFeatureProvider}.
	*/
	public class DashboardFeatureProviderImpl implements DashboardFeatureProvider {

	private static final String TAG = "DashboardFeatureImpl";
	private static final String DASHBOARD_TILE_PREF_KEY_PREFIX = "dashboard_tile_pref_";
	private static final String META_DATA_KEY_INTENT_ACTION = "com.android.settings.intent.action";

	protected final Context mContext;

	private final MetricsFeatureProvider mMetricsFeatureProvider;
	private final CategoryManager mCategoryManager;
	private final PackageManager mPackageManager;

	public DashboardFeatureProviderImpl(Context context) {
	mContext = context.getApplicationContext();
	mCategoryManager = CategoryManager.get(context);
	mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
	mPackageManager = context.getPackageManager();
	}

	@Override
	public DashboardCategory getTilesForCategory(String key) {
	return mCategoryManager.getTilesByCategory(mContext, key);
	}

	@Override
	public List<DashboardCategory> getAllCategories() {
	return mCategoryManager.getCategories(mContext);
	}

	@Override
	public String getDashboardKeyForTile(Tile tile) {
	if (tile == null) {
	return null;
	}
	if (tile.hasKey()) {
	return tile.getKey(mContext);
	}
	final StringBuilder sb = new StringBuilder(DASHBOARD_TILE_PREF_KEY_PREFIX);
	final ComponentName component = tile.getIntent().getComponent();
	sb.append(component.getClassName());
	return sb.toString();
	}

	@Override
	public List<DynamicDataObserver> bindPreferenceToTileAndGetObservers(FragmentActivity activity,
	DashboardFragment fragment, boolean forceRoundedIcon, Preference pref, Tile tile,
	String key, int baseOrder) {
	if (pref == null) {
	return null;
	}
	if (!TextUtils.isEmpty(key)) {
	pref.setKey(key);
	} else {
	pref.setKey(getDashboardKeyForTile(tile));
	}
	final List<DynamicDataObserver> outObservers = new ArrayList<>();
	DynamicDataObserver observer = bindTitleAndGetObserver(pref, tile);
	if (observer != null) {
	outObservers.add(observer);
	}
	observer = bindSummaryAndGetObserver(pref, tile);
	if (observer != null) {
	outObservers.add(observer);
	}
	observer = bindSwitchAndGetObserver(pref, tile);
	if (observer != null) {
	outObservers.add(observer);
	}
	bindIcon(pref, tile, forceRoundedIcon);

	if (tile instanceof ActivityTile) {
	final int sourceMetricsCategory = fragment.getMetricsCategory();
	final Bundle metadata = tile.getMetaData();
	String clsName = null;
	String action = null;
	if (metadata != null) {
	clsName = metadata.getString(SettingsActivity.META_DATA_KEY_FRAGMENT_CLASS);
	action = metadata.getString(META_DATA_KEY_INTENT_ACTION);
	}
	if (!TextUtils.isEmpty(clsName)) {
	pref.setFragment(clsName);
	} else {
	final Intent intent = new Intent(tile.getIntent());
	intent.putExtra(MetricsFeatureProvider.EXTRA_SOURCE_METRICS_CATEGORY,
	sourceMetricsCategory);
	if (action != null) {
	intent.setAction(action);
	}
	// Register the rule for injected apps.
	if (fragment instanceof TopLevelSettings) {
	ActivityEmbeddingRulesController.registerTwoPanePairRuleForSettingsHome(
	mContext,
	new ComponentName(tile.getPackageName(), tile.getComponentName()),
	action,
	true /* clearTop */);
	}
	pref.setOnPreferenceClickListener(preference -> {
	TopLevelHighlightMixin highlightMixin = null;
	boolean isDuplicateClick = false;
	if (fragment instanceof TopLevelSettings
	&& ActivityEmbeddingUtils.isEmbeddingActivityEnabled(mContext)) {
	// Highlight the preference whenever it's clicked
	final TopLevelSettings topLevelSettings = (TopLevelSettings) fragment;
	highlightMixin = topLevelSettings.getHighlightMixin();
	isDuplicateClick = topLevelSettings.isDuplicateClick(preference);
	topLevelSettings.setHighlightPreferenceKey(key);
	}
	launchIntentOrSelectProfile(activity, tile, intent, sourceMetricsCategory,
	highlightMixin, isDuplicateClick);
	return true;
	});
	}
	}

	if (tile.hasOrder()) {
	final String skipOffsetPackageName = activity.getPackageName();
	final int order = tile.getOrder();
	boolean shouldSkipBaseOrderOffset = TextUtils.equals(
	skipOffsetPackageName, tile.getIntent().getComponent().getPackageName());
	if (shouldSkipBaseOrderOffset \|\| baseOrder == Preference.DEFAULT_ORDER) {
	pref.setOrder(order);
	} else {
	pref.setOrder(order + baseOrder);
	}
	}
	return outObservers.isEmpty() ? null : outObservers;
	}

	@Override
	public void openTileIntent(FragmentActivity activity, Tile tile) {
	if (tile == null) {
	Intent intent = new Intent(Settings.ACTION_SETTINGS).addFlags(
	Intent.FLAG_ACTIVITY_CLEAR_TASK);
	mContext.startActivity(intent);
	return;
	}
	final Intent intent = new Intent(tile.getIntent())
	.putExtra(MetricsFeatureProvider.EXTRA_SOURCE_METRICS_CATEGORY,
	SettingsEnums.DASHBOARD_SUMMARY)
	.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
	launchIntentOrSelectProfile(activity, tile, intent, SettingsEnums.DASHBOARD_SUMMARY,
	/* highlightMixin= / null, / isDuplicateClick= */ false);
	}

	private DynamicDataObserver createDynamicDataObserver(String method, Uri uri, Preference pref) {
	return new DynamicDataObserver() {
	@Override
	public Uri getUri() {
	return uri;
	}

	@Override
	public void onDataChanged() {
	switch (method) {
	case METHOD_GET_DYNAMIC_TITLE:
	refreshTitle(uri, pref, this);
	break;
	case METHOD_GET_DYNAMIC_SUMMARY:
	refreshSummary(uri, pref, this);
	break;
	case METHOD_IS_CHECKED:
	refreshSwitch(uri, pref, this);
	break;
	}
	}
	};
	}

	private DynamicDataObserver bindTitleAndGetObserver(Preference preference, Tile tile) {
	final CharSequence title = tile.getTitle(mContext.getApplicationContext());
	if (title != null) {
	preference.setTitle(title);
	return null;
	}
	if (tile.getMetaData() != null && tile.getMetaData().containsKey(
	META_DATA_PREFERENCE_TITLE_URI)) {
	// Set a placeholder title before starting to fetch real title, this is necessary
	// to avoid preference height change.
	if (preference.getTitle() == null) {
	preference.setTitle(R.string.summary_placeholder);
	}

	final Uri uri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_TITLE_URI,
	METHOD_GET_DYNAMIC_TITLE);
	return createDynamicDataObserver(METHOD_GET_DYNAMIC_TITLE, uri, preference);
	}
	return null;
	}

	private void refreshTitle(Uri uri, Preference preference, DynamicDataObserver observer) {
	ThreadUtils.postOnBackgroundThread(() -> {
	final Map<String, IContentProvider> providerMap = new ArrayMap<>();
	final String titleFromUri = TileUtils.getTextFromUri(
	mContext, uri, providerMap, META_DATA_PREFERENCE_TITLE);
	if (!TextUtils.equals(titleFromUri, preference.getTitle())) {
	observer.post(() -> preference.setTitle(titleFromUri));
	}
	});
	}

	private DynamicDataObserver bindSummaryAndGetObserver(Preference preference, Tile tile) {
	final CharSequence summary = tile.getSummary(mContext);
	if (summary != null) {
	preference.setSummary(summary);
	} else if (tile.getMetaData() != null
	&& tile.getMetaData().containsKey(META_DATA_PREFERENCE_SUMMARY_URI)) {
	// Set a placeholder summary before starting to fetch real summary, this is necessary
	// to avoid preference height change.
	if (preference.getSummary() == null) {
	preference.setSummary(R.string.summary_placeholder);
	}

	final Uri uri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_SUMMARY_URI,
	METHOD_GET_DYNAMIC_SUMMARY);
	return createDynamicDataObserver(METHOD_GET_DYNAMIC_SUMMARY, uri, preference);
	}
	return null;
	}

	private void refreshSummary(Uri uri, Preference preference, DynamicDataObserver observer) {
	ThreadUtils.postOnBackgroundThread(() -> {
	final Map<String, IContentProvider> providerMap = new ArrayMap<>();
	final String summaryFromUri = TileUtils.getTextFromUri(
	mContext, uri, providerMap, META_DATA_PREFERENCE_SUMMARY);
	if (!TextUtils.equals(summaryFromUri, preference.getSummary())) {
	observer.post(() -> preference.setSummary(summaryFromUri));
	}
	});
	}

	private DynamicDataObserver bindSwitchAndGetObserver(Preference preference, Tile tile) {
	if (!tile.hasSwitch()) {
	return null;
	}

	final Uri onCheckedChangedUri = TileUtils.getCompleteUri(tile,
	META_DATA_PREFERENCE_SWITCH_URI, METHOD_ON_CHECKED_CHANGED);
	preference.setOnPreferenceChangeListener((pref, newValue) -> {
	onCheckedChanged(onCheckedChangedUri, pref, (boolean) newValue);
	return true;
	});

	final Uri isCheckedUri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_SWITCH_URI,
	METHOD_IS_CHECKED);
	setSwitchEnabled(preference, false);
	return createDynamicDataObserver(METHOD_IS_CHECKED, isCheckedUri, preference);
	}

	private void onCheckedChanged(Uri uri, Preference pref, boolean checked) {
	setSwitchEnabled(pref, false);
	ThreadUtils.postOnBackgroundThread(() -> {
	final Map<String, IContentProvider> providerMap = new ArrayMap<>();
	final Bundle result = TileUtils.putBooleanToUriAndGetResult(mContext, uri, providerMap,
	EXTRA_SWITCH_CHECKED_STATE, checked);

	ThreadUtils.postOnMainThread(() -> {
	setSwitchEnabled(pref, true);
	final boolean error = result.getBoolean(EXTRA_SWITCH_SET_CHECKED_ERROR);
	if (!error) {
	return;
	}

	setSwitchChecked(pref, !checked);
	final String errorMsg = result.getString(EXTRA_SWITCH_SET_CHECKED_ERROR_MESSAGE);
	if (!TextUtils.isEmpty(errorMsg)) {
	Toast.makeText(mContext, errorMsg, Toast.LENGTH_SHORT).show();
	}
	});
	});
	}

	private void refreshSwitch(Uri uri, Preference preference, DynamicDataObserver observer) {
	ThreadUtils.postOnBackgroundThread(() -> {
	final Map<String, IContentProvider> providerMap = new ArrayMap<>();
	final boolean checked = TileUtils.getBooleanFromUri(mContext, uri, providerMap,
	EXTRA_SWITCH_CHECKED_STATE);
	observer.post(() -> {
	setSwitchChecked(preference, checked);
	setSwitchEnabled(preference, true);
	});
	});
	}

	private void setSwitchChecked(Preference pref, boolean checked) {
	if (pref instanceof PrimarySwitchPreference) {
	((PrimarySwitchPreference) pref).setChecked(checked);
	} else if (pref instanceof SwitchPreference) {
	((SwitchPreference) pref).setChecked(checked);
	}
	}

	private void setSwitchEnabled(Preference pref, boolean enabled) {
	if (pref instanceof PrimarySwitchPreference) {
	((PrimarySwitchPreference) pref).setSwitchEnabled(enabled);
	} else {
	pref.setEnabled(enabled);
	}
	}

	@VisibleForTesting
	void bindIcon(Preference preference, Tile tile, boolean forceRoundedIcon) {
	// Icon provided by the content provider overrides any static icon.
	if (tile.getMetaData() != null
	&& tile.getMetaData().containsKey(META_DATA_PREFERENCE_ICON_URI)) {
	// Reserve the icon space to avoid preference padding change.
	preference.setIconSpaceReserved(true);

	ThreadUtils.postOnBackgroundThread(() -> {
	final Intent intent = tile.getIntent();
	String packageName = null;
	if (!TextUtils.isEmpty(intent.getPackage())) {
	packageName = intent.getPackage();
	} else if (intent.getComponent() != null) {
	packageName = intent.getComponent().getPackageName();
	}
	final Map<String, IContentProvider> providerMap = new ArrayMap<>();
	final Uri uri = TileUtils.getCompleteUri(tile, META_DATA_PREFERENCE_ICON_URI,
	METHOD_GET_PROVIDER_ICON);
	final Pair<String, Integer> iconInfo = TileUtils.getIconFromUri(
	mContext, packageName, uri, providerMap);
	if (iconInfo == null) {
	Log.w(TAG, "Failed to get icon from uri " + uri);
	return;
	}
	final Icon icon = Icon.createWithResource(iconInfo.first, iconInfo.second);
	ThreadUtils.postOnMainThread(() -> {
	setPreferenceIcon(preference, tile, forceRoundedIcon, iconInfo.first, icon);
	});
	});
	return;
	}

	// Use preference context instead here when get icon from Tile, as we are using the context
	// to get the style to tint the icon. Using mContext here won't get the correct style.
	final Icon tileIcon = tile.getIcon(preference.getContext());
	if (tileIcon == null) {
	return;
	}
	setPreferenceIcon(preference, tile, forceRoundedIcon, tile.getPackageName(), tileIcon);
	}

	private void setPreferenceIcon(Preference preference, Tile tile, boolean forceRoundedIcon,
	String iconPackage, Icon icon) {
	Drawable iconDrawable = icon.loadDrawable(preference.getContext());
	if (iconDrawable == null) {
	Log.w(TAG, "Set null preference icon for: " + iconPackage);
	preference.setIcon(null);
	return;
	}
	if (TextUtils.equals(tile.getCategory(), CategoryKey.CATEGORY_HOMEPAGE)) {
	iconDrawable.setTint(Utils.getHomepageIconColor(preference.getContext()));
	} else if (forceRoundedIcon && !TextUtils.equals(mContext.getPackageName(), iconPackage)) {
	iconDrawable = new AdaptiveIcon(mContext, iconDrawable,
	R.dimen.dashboard_tile_foreground_image_inset);
	((AdaptiveIcon) iconDrawable).setBackgroundColor(mContext, tile);
	}
	preference.setIcon(iconDrawable);
	}

	private void launchIntentOrSelectProfile(FragmentActivity activity, Tile tile, Intent intent,
	int sourceMetricCategory, TopLevelHighlightMixin highlightMixin,
	boolean isDuplicateClick) {
	if (!isIntentResolvable(intent)) {
	Log.w(TAG, "Cannot resolve intent, skipping. " + intent);
	return;
	}
	ProfileSelectDialog.updateUserHandlesIfNeeded(mContext, tile);

	if (tile.userHandle == null \|\| tile.isPrimaryProfileOnly()) {
	if (!isDuplicateClick) {
	mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
	activity.startActivity(intent);
	}
	} else if (tile.userHandle.size() == 1) {
	if (!isDuplicateClick) {
	mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
	activity.startActivityAsUser(intent, tile.userHandle.get(0));
	}
	} else {
	final UserHandle userHandle = intent.getParcelableExtra(EXTRA_USER);
	if (userHandle != null && tile.userHandle.contains(userHandle)) {
	if (!isDuplicateClick) {
	mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
	activity.startActivityAsUser(intent, userHandle);
	}
	return;
	}

	final List<UserHandle> resolvableUsers = getResolvableUsers(intent, tile);
	if (resolvableUsers.size() == 1) {
	if (!isDuplicateClick) {
	mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
	activity.startActivityAsUser(intent, resolvableUsers.get(0));
	}
	return;
	}

	// Show the profile select dialog regardless of the duplicate click.
	mMetricsFeatureProvider.logStartedIntent(intent, sourceMetricCategory);
	ProfileSelectDialog.show(activity.getSupportFragmentManager(), tile,
	sourceMetricCategory, /* onShowListener= */ highlightMixin,
	/* onDismissListener= */ highlightMixin,
	/* onCancelListener= */ highlightMixin);
	}
	}

	private boolean isIntentResolvable(Intent intent) {
	return mPackageManager.resolveActivity(intent, 0) != null;
	}

	private List<UserHandle> getResolvableUsers(Intent intent, Tile tile) {
	final ArrayList<UserHandle> eligibleUsers = new ArrayList<>();
	for (UserHandle user : tile.userHandle) {
	if (mPackageManager.resolveActivityAsUser(intent, 0, user.getIdentifier()) != null) {
	eligibleUsers.add(user);
	}
	}
	return eligibleUsers;
	}
	}