com/android/systemui/tuner/LockscreenFragment.java - platform/prebuilts/fullsdk/sources/android-30 - Git at Google

 /*
  * Copyright (C) 2017 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.systemui.tuner;

 import android.app.AlertDialog;
 import android.app.AlertDialog.Builder;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.text.TextUtils;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;

 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragment;
 import androidx.preference.SwitchPreference;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.RecyclerView.ViewHolder;

 import com.android.systemui.Dependency;
 import com.android.systemui.R;
 import com.android.systemui.plugins.IntentButtonProvider.IntentButton;
 import com.android.systemui.statusbar.ScalingDrawableWrapper;
 import com.android.systemui.statusbar.phone.ExpandableIndicator;
 import com.android.systemui.statusbar.policy.ExtensionController.TunerFactory;
 import com.android.systemui.tuner.ShortcutParser.Shortcut;
 import com.android.systemui.tuner.TunerService.Tunable;

 import java.util.ArrayList;
 import java.util.Map;
 import java.util.function.Consumer;

 public class LockscreenFragment extends PreferenceFragment {

     private static final String KEY_LEFT = "left";
     private static final String KEY_RIGHT = "right";
     private static final String KEY_CUSTOMIZE = "customize";
     private static final String KEY_SHORTCUT = "shortcut";

     public static final String LOCKSCREEN_LEFT_BUTTON = "sysui_keyguard_left";
     public static final String LOCKSCREEN_LEFT_UNLOCK = "sysui_keyguard_left_unlock";
     public static final String LOCKSCREEN_RIGHT_BUTTON = "sysui_keyguard_right";
     public static final String LOCKSCREEN_RIGHT_UNLOCK = "sysui_keyguard_right_unlock";

     private final ArrayList<Tunable> mTunables = new ArrayList<>();
     private TunerService mTunerService;
     private Handler mHandler;

     @Override
     public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         mTunerService = Dependency.get(TunerService.class);
         mHandler = new Handler();
         addPreferencesFromResource(R.xml.lockscreen_settings);
         setupGroup(LOCKSCREEN_LEFT_BUTTON, LOCKSCREEN_LEFT_UNLOCK);
         setupGroup(LOCKSCREEN_RIGHT_BUTTON, LOCKSCREEN_RIGHT_UNLOCK);
     }

     @Override
     public void onDestroy() {
         super.onDestroy();
         mTunables.forEach(t -> mTunerService.removeTunable(t));
     }

     private void setupGroup(String buttonSetting, String unlockKey) {
         Preference shortcut = findPreference(buttonSetting);
         SwitchPreference unlock = (SwitchPreference) findPreference(unlockKey);
         addTunable((k, v) -> {
             boolean visible = !TextUtils.isEmpty(v);
             unlock.setVisible(visible);
             setSummary(shortcut, v);
         }, buttonSetting);
     }

     private void showSelectDialog(String buttonSetting) {
         RecyclerView v = (RecyclerView) LayoutInflater.from(getContext())
                 .inflate(R.layout.tuner_shortcut_list, null);
         v.setLayoutManager(new LinearLayoutManager(getContext()));
         AlertDialog dialog = new Builder(getContext())
                 .setView(v)
                 .show();
         Adapter adapter = new Adapter(getContext(), item -> {
             mTunerService.setValue(buttonSetting, item.getSettingValue());
             dialog.dismiss();
         });

         v.setAdapter(adapter);
     }

     private void setSummary(Preference shortcut, String value) {
         if (value == null) {
             shortcut.setSummary(R.string.lockscreen_none);
             return;
         }
         if (value.contains("::")) {
             Shortcut info = getShortcutInfo(getContext(), value);
             shortcut.setSummary(info != null ? info.label : null);
         } else if (value.contains("/")) {
             ActivityInfo info = getActivityinfo(getContext(), value);
             shortcut.setSummary(info != null ? info.loadLabel(getContext().getPackageManager())
                     : null);
         } else {
             shortcut.setSummary(R.string.lockscreen_none);
         }
     }

     private void addTunable(Tunable t, String... keys) {
         mTunables.add(t);
         mTunerService.addTunable(t, keys);
     }

     public static ActivityInfo getActivityinfo(Context context, String value) {
         ComponentName component = ComponentName.unflattenFromString(value);
         try {
             return context.getPackageManager().getActivityInfo(component, 0);
         } catch (NameNotFoundException e) {
             return null;
         }
     }

     public static Shortcut getShortcutInfo(Context context, String value) {
         return Shortcut.create(context, value);
     }

     public static class Holder extends ViewHolder {
         public final ImageView icon;
         public final TextView title;
         public final ExpandableIndicator expand;

         public Holder(View itemView) {
             super(itemView);
             icon = (ImageView) itemView.findViewById(android.R.id.icon);
             title = (TextView) itemView.findViewById(android.R.id.title);
             expand = (ExpandableIndicator) itemView.findViewById(R.id.expand);
         }
     }

     private static class StaticShortcut extends Item {

         private final Context mContext;
         private final Shortcut mShortcut;


         public StaticShortcut(Context context, Shortcut shortcut) {
             mContext = context;
             mShortcut = shortcut;
         }

         @Override
         public Drawable getDrawable() {
             return mShortcut.icon.loadDrawable(mContext);
         }

         @Override
         public String getLabel() {
             return mShortcut.label;
         }

         @Override
         public String getSettingValue() {
             return mShortcut.toString();
         }

         @Override
         public Boolean getExpando() {
             return null;
         }
     }

     private static class App extends Item {

         private final Context mContext;
         private final LauncherActivityInfo mInfo;
         private final ArrayList<Item> mChildren = new ArrayList<>();
         private boolean mExpanded;

         public App(Context context, LauncherActivityInfo info) {
             mContext = context;
             mInfo = info;
             mExpanded = false;
         }

         public void addChild(Item child) {
             mChildren.add(child);
         }

         @Override
         public Drawable getDrawable() {
             return mInfo.getBadgedIcon(mContext.getResources().getConfiguration().densityDpi);
         }

         @Override
         public String getLabel() {
             return mInfo.getLabel().toString();
         }

         @Override
         public String getSettingValue() {
             return mInfo.getComponentName().flattenToString();
         }

         @Override
         public Boolean getExpando() {
             return mChildren.size() != 0 ? mExpanded : null;
         }

         @Override
         public void toggleExpando(Adapter adapter) {
             mExpanded = !mExpanded;
             if (mExpanded) {
                 mChildren.forEach(child -> adapter.addItem(this, child));
             } else {
                 mChildren.forEach(child -> adapter.remItem(child));
             }
         }
     }

     private abstract static class Item {
         public abstract Drawable getDrawable();

         public abstract String getLabel();

         public abstract String getSettingValue();

         public abstract Boolean getExpando();

         public void toggleExpando(Adapter adapter) {
         }
     }

     public static class Adapter extends RecyclerView.Adapter<Holder> {
         private ArrayList<Item> mItems = new ArrayList<>();
         private final Context mContext;
         private final Consumer<Item> mCallback;

         public Adapter(Context context, Consumer<Item> callback) {
             mContext = context;
             mCallback = callback;
         }

         @Override
         public Holder onCreateViewHolder(ViewGroup parent, int viewType) {
             return new Holder(LayoutInflater.from(parent.getContext())
                     .inflate(R.layout.tuner_shortcut_item, parent, false));
         }

         @Override
         public void onBindViewHolder(Holder holder, int position) {
             Item item = mItems.get(position);
             holder.icon.setImageDrawable(item.getDrawable());
             holder.title.setText(item.getLabel());
             holder.itemView.setOnClickListener(
                     v -> mCallback.accept(mItems.get(holder.getAdapterPosition())));
             Boolean expando = item.getExpando();
             if (expando != null) {
                 holder.expand.setVisibility(View.VISIBLE);
                 holder.expand.setExpanded(expando);
                 holder.expand.setOnClickListener(
                         v -> mItems.get(holder.getAdapterPosition()).toggleExpando(Adapter.this));
             } else {
                 holder.expand.setVisibility(View.GONE);
             }
         }

         @Override
         public int getItemCount() {
             return mItems.size();
         }

         public void addItem(Item item) {
             mItems.add(item);
             notifyDataSetChanged();
         }

         public void remItem(Item item) {
             int index = mItems.indexOf(item);
             mItems.remove(item);
             notifyItemRemoved(index);
         }

         public void addItem(Item parent, Item child) {
             int index = mItems.indexOf(parent);
             mItems.add(index + 1, child);
             notifyItemInserted(index + 1);
         }
     }

     public static class LockButtonFactory implements TunerFactory<IntentButton> {

         private final String mKey;
         private final Context mContext;

         public LockButtonFactory(Context context, String key) {
             mContext = context;
             mKey = key;
         }

         @Override
         public String[] keys() {
             return new String[]{mKey};
         }

         @Override
         public IntentButton create(Map<String, String> settings) {
             String buttonStr = settings.get(mKey);
             if (!TextUtils.isEmpty(buttonStr)) {
                 if (buttonStr.contains("::")) {
                     Shortcut shortcut = getShortcutInfo(mContext, buttonStr);
                     if (shortcut != null) {
                         return new ShortcutButton(mContext, shortcut);
                     }
                 } else if (buttonStr.contains("/")) {
                     ActivityInfo info = getActivityinfo(mContext, buttonStr);
                     if (info != null) {
                         return new ActivityButton(mContext, info);
                     }
                 }
             }
             return null;
         }
     }

     private static class ShortcutButton implements IntentButton {
         private final Shortcut mShortcut;
         private final IconState mIconState;

         public ShortcutButton(Context context, Shortcut shortcut) {
             mShortcut = shortcut;
             mIconState = new IconState();
             mIconState.isVisible = true;
             mIconState.drawable = shortcut.icon.loadDrawable(context).mutate();
             mIconState.contentDescription = mShortcut.label;
             int size = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 32,
                     context.getResources().getDisplayMetrics());
             mIconState.drawable = new ScalingDrawableWrapper(mIconState.drawable,
                     size / (float) mIconState.drawable.getIntrinsicWidth());
             mIconState.tint = false;
         }

         @Override
         public IconState getIcon() {
             return mIconState;
         }

         @Override
         public Intent getIntent() {
             return mShortcut.intent;
         }
     }

     private static class ActivityButton implements IntentButton {
         private final Intent mIntent;
         private final IconState mIconState;

         public ActivityButton(Context context, ActivityInfo info) {
             mIntent = new Intent().setComponent(new ComponentName(info.packageName, info.name));
             mIconState = new IconState();
             mIconState.isVisible = true;
             mIconState.drawable = info.loadIcon(context.getPackageManager()).mutate();
             mIconState.contentDescription = info.loadLabel(context.getPackageManager());
             int size = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 32,
                     context.getResources().getDisplayMetrics());
             mIconState.drawable = new ScalingDrawableWrapper(mIconState.drawable,
                     size / (float) mIconState.drawable.getIntrinsicWidth());
             mIconState.tint = false;
         }

         @Override
         public IconState getIcon() {
             return mIconState;
         }

         @Override
         public Intent getIntent() {
             return mIntent;
         }
     }
 }
	/*
	* Copyright (C) 2017 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.systemui.tuner;

	import android.app.AlertDialog;
	import android.app.AlertDialog.Builder;
	import android.content.ComponentName;
	import android.content.Context;
	import android.content.Intent;
	import android.content.pm.ActivityInfo;
	import android.content.pm.LauncherActivityInfo;
	import android.content.pm.PackageManager.NameNotFoundException;
	import android.graphics.drawable.Drawable;
	import android.os.Bundle;
	import android.os.Handler;
	import android.text.TextUtils;
	import android.util.TypedValue;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.ImageView;
	import android.widget.TextView;

	import androidx.preference.Preference;
	import androidx.preference.PreferenceFragment;
	import androidx.preference.SwitchPreference;
	import androidx.recyclerview.widget.LinearLayoutManager;
	import androidx.recyclerview.widget.RecyclerView;
	import androidx.recyclerview.widget.RecyclerView.ViewHolder;

	import com.android.systemui.Dependency;
	import com.android.systemui.R;
	import com.android.systemui.plugins.IntentButtonProvider.IntentButton;
	import com.android.systemui.statusbar.ScalingDrawableWrapper;
	import com.android.systemui.statusbar.phone.ExpandableIndicator;
	import com.android.systemui.statusbar.policy.ExtensionController.TunerFactory;
	import com.android.systemui.tuner.ShortcutParser.Shortcut;
	import com.android.systemui.tuner.TunerService.Tunable;

	import java.util.ArrayList;
	import java.util.Map;
	import java.util.function.Consumer;

	public class LockscreenFragment extends PreferenceFragment {

	private static final String KEY_LEFT = "left";
	private static final String KEY_RIGHT = "right";
	private static final String KEY_CUSTOMIZE = "customize";
	private static final String KEY_SHORTCUT = "shortcut";

	public static final String LOCKSCREEN_LEFT_BUTTON = "sysui_keyguard_left";
	public static final String LOCKSCREEN_LEFT_UNLOCK = "sysui_keyguard_left_unlock";
	public static final String LOCKSCREEN_RIGHT_BUTTON = "sysui_keyguard_right";
	public static final String LOCKSCREEN_RIGHT_UNLOCK = "sysui_keyguard_right_unlock";

	private final ArrayList<Tunable> mTunables = new ArrayList<>();
	private TunerService mTunerService;
	private Handler mHandler;

	@Override
	public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
	mTunerService = Dependency.get(TunerService.class);
	mHandler = new Handler();
	addPreferencesFromResource(R.xml.lockscreen_settings);
	setupGroup(LOCKSCREEN_LEFT_BUTTON, LOCKSCREEN_LEFT_UNLOCK);
	setupGroup(LOCKSCREEN_RIGHT_BUTTON, LOCKSCREEN_RIGHT_UNLOCK);
	}

	@Override
	public void onDestroy() {
	super.onDestroy();
	mTunables.forEach(t -> mTunerService.removeTunable(t));
	}

	private void setupGroup(String buttonSetting, String unlockKey) {
	Preference shortcut = findPreference(buttonSetting);
	SwitchPreference unlock = (SwitchPreference) findPreference(unlockKey);
	addTunable((k, v) -> {
	boolean visible = !TextUtils.isEmpty(v);
	unlock.setVisible(visible);
	setSummary(shortcut, v);
	}, buttonSetting);
	}

	private void showSelectDialog(String buttonSetting) {
	RecyclerView v = (RecyclerView) LayoutInflater.from(getContext())
	.inflate(R.layout.tuner_shortcut_list, null);
	v.setLayoutManager(new LinearLayoutManager(getContext()));
	AlertDialog dialog = new Builder(getContext())
	.setView(v)
	.show();
	Adapter adapter = new Adapter(getContext(), item -> {
	mTunerService.setValue(buttonSetting, item.getSettingValue());
	dialog.dismiss();
	});

	v.setAdapter(adapter);
	}

	private void setSummary(Preference shortcut, String value) {
	if (value == null) {
	shortcut.setSummary(R.string.lockscreen_none);
	return;
	}
	if (value.contains("::")) {
	Shortcut info = getShortcutInfo(getContext(), value);
	shortcut.setSummary(info != null ? info.label : null);
	} else if (value.contains("/")) {
	ActivityInfo info = getActivityinfo(getContext(), value);
	shortcut.setSummary(info != null ? info.loadLabel(getContext().getPackageManager())
	: null);
	} else {
	shortcut.setSummary(R.string.lockscreen_none);
	}
	}

	private void addTunable(Tunable t, String... keys) {
	mTunables.add(t);
	mTunerService.addTunable(t, keys);
	}

	public static ActivityInfo getActivityinfo(Context context, String value) {
	ComponentName component = ComponentName.unflattenFromString(value);
	try {
	return context.getPackageManager().getActivityInfo(component, 0);
	} catch (NameNotFoundException e) {
	return null;
	}
	}

	public static Shortcut getShortcutInfo(Context context, String value) {
	return Shortcut.create(context, value);
	}

	public static class Holder extends ViewHolder {
	public final ImageView icon;
	public final TextView title;
	public final ExpandableIndicator expand;

	public Holder(View itemView) {
	super(itemView);
	icon = (ImageView) itemView.findViewById(android.R.id.icon);
	title = (TextView) itemView.findViewById(android.R.id.title);
	expand = (ExpandableIndicator) itemView.findViewById(R.id.expand);
	}
	}

	private static class StaticShortcut extends Item {

	private final Context mContext;
	private final Shortcut mShortcut;


	public StaticShortcut(Context context, Shortcut shortcut) {
	mContext = context;
	mShortcut = shortcut;
	}

	@Override
	public Drawable getDrawable() {
	return mShortcut.icon.loadDrawable(mContext);
	}

	@Override
	public String getLabel() {
	return mShortcut.label;
	}

	@Override
	public String getSettingValue() {
	return mShortcut.toString();
	}

	@Override
	public Boolean getExpando() {
	return null;
	}
	}

	private static class App extends Item {

	private final Context mContext;
	private final LauncherActivityInfo mInfo;
	private final ArrayList<Item> mChildren = new ArrayList<>();
	private boolean mExpanded;

	public App(Context context, LauncherActivityInfo info) {
	mContext = context;
	mInfo = info;
	mExpanded = false;
	}

	public void addChild(Item child) {
	mChildren.add(child);
	}

	@Override
	public Drawable getDrawable() {
	return mInfo.getBadgedIcon(mContext.getResources().getConfiguration().densityDpi);
	}

	@Override
	public String getLabel() {
	return mInfo.getLabel().toString();
	}

	@Override
	public String getSettingValue() {
	return mInfo.getComponentName().flattenToString();
	}

	@Override
	public Boolean getExpando() {
	return mChildren.size() != 0 ? mExpanded : null;
	}

	@Override
	public void toggleExpando(Adapter adapter) {
	mExpanded = !mExpanded;
	if (mExpanded) {
	mChildren.forEach(child -> adapter.addItem(this, child));
	} else {
	mChildren.forEach(child -> adapter.remItem(child));
	}
	}
	}

	private abstract static class Item {
	public abstract Drawable getDrawable();

	public abstract String getLabel();

	public abstract String getSettingValue();

	public abstract Boolean getExpando();

	public void toggleExpando(Adapter adapter) {
	}
	}

	public static class Adapter extends RecyclerView.Adapter<Holder> {
	private ArrayList<Item> mItems = new ArrayList<>();
	private final Context mContext;
	private final Consumer<Item> mCallback;

	public Adapter(Context context, Consumer<Item> callback) {
	mContext = context;
	mCallback = callback;
	}

	@Override
	public Holder onCreateViewHolder(ViewGroup parent, int viewType) {
	return new Holder(LayoutInflater.from(parent.getContext())
	.inflate(R.layout.tuner_shortcut_item, parent, false));
	}

	@Override
	public void onBindViewHolder(Holder holder, int position) {
	Item item = mItems.get(position);
	holder.icon.setImageDrawable(item.getDrawable());
	holder.title.setText(item.getLabel());
	holder.itemView.setOnClickListener(
	v -> mCallback.accept(mItems.get(holder.getAdapterPosition())));
	Boolean expando = item.getExpando();
	if (expando != null) {
	holder.expand.setVisibility(View.VISIBLE);
	holder.expand.setExpanded(expando);
	holder.expand.setOnClickListener(
	v -> mItems.get(holder.getAdapterPosition()).toggleExpando(Adapter.this));
	} else {
	holder.expand.setVisibility(View.GONE);
	}
	}

	@Override
	public int getItemCount() {
	return mItems.size();
	}

	public void addItem(Item item) {
	mItems.add(item);
	notifyDataSetChanged();
	}

	public void remItem(Item item) {
	int index = mItems.indexOf(item);
	mItems.remove(item);
	notifyItemRemoved(index);
	}

	public void addItem(Item parent, Item child) {
	int index = mItems.indexOf(parent);
	mItems.add(index + 1, child);
	notifyItemInserted(index + 1);
	}
	}

	public static class LockButtonFactory implements TunerFactory<IntentButton> {

	private final String mKey;
	private final Context mContext;

	public LockButtonFactory(Context context, String key) {
	mContext = context;
	mKey = key;
	}

	@Override
	public String[] keys() {
	return new String[]{mKey};
	}

	@Override
	public IntentButton create(Map<String, String> settings) {
	String buttonStr = settings.get(mKey);
	if (!TextUtils.isEmpty(buttonStr)) {
	if (buttonStr.contains("::")) {
	Shortcut shortcut = getShortcutInfo(mContext, buttonStr);
	if (shortcut != null) {
	return new ShortcutButton(mContext, shortcut);
	}
	} else if (buttonStr.contains("/")) {
	ActivityInfo info = getActivityinfo(mContext, buttonStr);
	if (info != null) {
	return new ActivityButton(mContext, info);
	}
	}
	}
	return null;
	}
	}

	private static class ShortcutButton implements IntentButton {
	private final Shortcut mShortcut;
	private final IconState mIconState;

	public ShortcutButton(Context context, Shortcut shortcut) {
	mShortcut = shortcut;
	mIconState = new IconState();
	mIconState.isVisible = true;
	mIconState.drawable = shortcut.icon.loadDrawable(context).mutate();
	mIconState.contentDescription = mShortcut.label;
	int size = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 32,
	context.getResources().getDisplayMetrics());
	mIconState.drawable = new ScalingDrawableWrapper(mIconState.drawable,
	size / (float) mIconState.drawable.getIntrinsicWidth());
	mIconState.tint = false;
	}

	@Override
	public IconState getIcon() {
	return mIconState;
	}

	@Override
	public Intent getIntent() {
	return mShortcut.intent;
	}
	}

	private static class ActivityButton implements IntentButton {
	private final Intent mIntent;
	private final IconState mIconState;

	public ActivityButton(Context context, ActivityInfo info) {
	mIntent = new Intent().setComponent(new ComponentName(info.packageName, info.name));
	mIconState = new IconState();
	mIconState.isVisible = true;
	mIconState.drawable = info.loadIcon(context.getPackageManager()).mutate();
	mIconState.contentDescription = info.loadLabel(context.getPackageManager());
	int size = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 32,
	context.getResources().getDisplayMetrics());
	mIconState.drawable = new ScalingDrawableWrapper(mIconState.drawable,
	size / (float) mIconState.drawable.getIntrinsicWidth());
	mIconState.tint = false;
	}

	@Override
	public IconState getIcon() {
	return mIconState;
	}

	@Override
	public Intent getIntent() {
	return mIntent;
	}
	}
	}