src/com/android/car/settings/quicksettings/QuickSettingFragment.java - platform/packages/apps/Car/Settings - Git at Google

 /*
  * Copyright (C) 2018 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.car.settings.quicksettings;

 import android.app.Activity;
 import android.car.drivingstate.CarUxRestrictions;
 import android.car.userlib.CarUserManagerHelper;
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.SystemProperties;
 import android.os.UserManager;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.FrameLayout;
 import android.widget.TextView;

 import androidx.annotation.LayoutRes;
 import androidx.annotation.NonNull;
 import androidx.constraintlayout.widget.Guideline;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 import androidx.recyclerview.widget.RecyclerView;

 import com.android.car.settings.R;
 import com.android.car.settings.common.BaseFragment;
 import com.android.car.settings.common.CarUxRestrictionsHelper;
 import com.android.car.settings.home.HomepageFragment;
 import com.android.car.settings.users.UserIconProvider;
 import com.android.car.settings.users.UserSwitcherFragment;

 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;

 /**
  * Shows a page to access frequently used settings.
  */
 public class QuickSettingFragment extends BaseFragment {
     // Time to delay refreshing the build info, if the clock is not correct.
     private static final long BUILD_INFO_REFRESH_TIME_MS = TimeUnit.SECONDS.toMillis(5);
     /**
      * Indicates whether all Preferences are configured to ignore UX Restrictions Event.
      */
     private boolean mAllIgnoresUxRestrictions;

     /**
      * Set of the keys of Preferences that ignore UX Restrictions. When mAlwaysIgnoreUxRestrictions
      * is configured to be false, then only the Preferences whose keys are contained in this Set
      * ignore UX Restrictions.
      */
     private Set<String> mPreferencesIgnoringUxRestrictions;

     private CarUserManagerHelper mCarUserManagerHelper;
     private UserIconProvider mUserIconProvider;
     private QuickSettingGridAdapter mGridAdapter;
     private RecyclerView mListView;
     private View mFullSettingsBtn;
     private View mUserSwitcherBtn;
     private HomeFragmentLauncher mHomeFragmentLauncher;
     private float mOpacityDisabled;
     private float mOpacityEnabled;
     private TextView mBuildInfo;

     @Override
     @LayoutRes
     protected int getActionBarLayoutId() {
         return R.layout.action_bar_quick_settings;
     }

     @Override
     @LayoutRes
     protected int getLayoutId() {
         return R.layout.quick_settings;
     }

     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
         mHomeFragmentLauncher = new HomeFragmentLauncher();
         Activity activity = requireActivity();

         FragmentManager fragmentManager = ((FragmentActivity) activity).getSupportFragmentManager();
         if (fragmentManager.getBackStackEntryCount() == 1
                 && fragmentManager.findFragmentByTag("0") != null
                 && fragmentManager.findFragmentByTag("0").getClass().getName().equals(
                 getString(R.string.config_settings_hierarchy_root_fragment))
                 && !getContext().getResources()
                 .getBoolean(R.bool.config_show_settings_root_exit_icon)) {
             hideExitIcon();
         }

         activity.findViewById(R.id.action_bar_icon_container).setOnClickListener(
                 v -> activity.finish());

         mOpacityDisabled = activity.getResources().getFloat(R.dimen.opacity_disabled);
         mOpacityEnabled = activity.getResources().getFloat(R.dimen.opacity_enabled);
         mCarUserManagerHelper = new CarUserManagerHelper(activity);
         mUserIconProvider = new UserIconProvider(mCarUserManagerHelper);
         mListView = activity.findViewById(R.id.list);
         mGridAdapter = new QuickSettingGridAdapter(activity);
         mListView.setLayoutManager(mGridAdapter.getGridLayoutManager());

         mFullSettingsBtn = activity.findViewById(R.id.full_settings_btn);
         mFullSettingsBtn.setOnClickListener(mHomeFragmentLauncher);
         mUserSwitcherBtn = activity.findViewById(R.id.user_switcher_btn);
         mUserSwitcherBtn.setOnClickListener(v -> {
             getFragmentController().launchFragment(new UserSwitcherFragment());
         });
         setupUserButton(activity);

         View exitBtn = activity.findViewById(R.id.action_bar_icon_container);
         exitBtn.setOnClickListener(v -> getFragmentController().goBack());

         mGridAdapter
                 .addTile(new WifiTile(activity, mGridAdapter, getFragmentController()))
                 .addTile(new BluetoothTile(activity, mGridAdapter, getFragmentController()))
                 .addTile(new DayNightTile(activity, mGridAdapter, getFragmentController()))
                 .addTile(new CelluarTile(activity, mGridAdapter))
                 .addSeekbarTile(new BrightnessTile(activity));
         mListView.setAdapter(mGridAdapter);

         mPreferencesIgnoringUxRestrictions = new HashSet<String>(Arrays.asList(
                 getContext().getResources().getStringArray(R.array.config_ignore_ux_restrictions)));
         mAllIgnoresUxRestrictions =
                 getContext().getResources().getBoolean(R.bool.config_always_ignore_ux_restrictions);
     }

     @Override
     public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

         mBuildInfo = view.requireViewById(R.id.build_info);
     }

     @Override
     public void onStart() {
         super.onStart();

         mGridAdapter.start();
         mUserSwitcherBtn.setVisibility(showUserSwitcher() ? View.VISIBLE : View.INVISIBLE);
         // In non-user builds (that is, user-debug, eng, etc), display some version information.
         if (!Build.IS_USER) {
             refreshBuildInfo();
         }
     }

     private void refreshBuildInfo() {
         if (!isAdded()) {
             // This can happen if the delayed post happens before we're stopped. Just give up
             // trying to get the right clock.
             return;
         }

         long buildTimeDiffDays =
                 TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis() - Build.TIME);
         if (buildTimeDiffDays < 0) {
             // If it's in the past, that likely means the current time is wrong (or the build time
             // could be wrong, but that's less likely). Reschedule this to run in a few seconds to
             // see whether the clock's been fixed.
             mBuildInfo.postDelayed(this::refreshBuildInfo, BUILD_INFO_REFRESH_TIME_MS);
         }

         String str = String.format(getResources().getString(R.string.build_info_fmt),
                 Build.FINGERPRINT, SystemProperties.get("ro.build.date", "<unknown>"),
                 buildTimeDiffDays < 0 ? "--" : Long.toString(buildTimeDiffDays));

         mBuildInfo.setVisibility(View.VISIBLE);
         mBuildInfo.setText(str);
     }

     @Override
     public void onStop() {
         super.onStop();
         mGridAdapter.stop();
     }

     private void setupUserButton(Context context) {
         Button userButton = requireActivity().findViewById(R.id.user_switcher_btn);
         UserInfo currentUserInfo = mCarUserManagerHelper.getCurrentForegroundUserInfo();
         Drawable userIcon = mUserIconProvider.getUserIcon(currentUserInfo, context);
         userButton.setCompoundDrawablesRelativeWithIntrinsicBounds(userIcon, /* top= */
                 null, /* end= */ null, /* bottom= */ null);
         userButton.setText(currentUserInfo.name);
     }

     private boolean showUserSwitcher() {
         return !UserManager.isDeviceInDemoMode(getContext())
                 && UserManager.supportsMultipleUsers()
                 && !UserManager.get(getContext()).hasUserRestriction(
                 UserManager.DISALLOW_USER_SWITCH);
     }

     /**
      * Quick setting fragment is distraction optimized, so is allowed at all times.
      */
     @Override
     public boolean canBeShown(@NonNull CarUxRestrictions carUxRestrictions) {
         return true;
     }

     @Override
     public void onUxRestrictionsChanged(CarUxRestrictions restrictionInfo) {
         // TODO: update tiles
         if (!hasPreferenceIgnoringUxRestrictions(mAllIgnoresUxRestrictions,
                 mPreferencesIgnoringUxRestrictions)) {
             applyRestriction(CarUxRestrictionsHelper.isNoSetup(restrictionInfo));
         }
     }

     private void applyRestriction(boolean restricted) {
         mHomeFragmentLauncher.showBlockingMessage(restricted);
         mFullSettingsBtn.setAlpha(restricted ? mOpacityDisabled : mOpacityEnabled);
     }

     private class HomeFragmentLauncher implements OnClickListener {
         private boolean mShowBlockingMessage;

         private void showBlockingMessage(boolean show) {
             mShowBlockingMessage = show;
         }

         @Override
         public void onClick(View v) {
             if (mShowBlockingMessage) {
                 getFragmentController().showBlockingMessage();
             } else {
                 getFragmentController().launchFragment(new HomepageFragment());
             }
         }
     }

     private boolean hasPreferenceIgnoringUxRestrictions(boolean allIgnores, Set prefsThatIgnore) {
         return allIgnores || prefsThatIgnore.size() > 0;
     }

     private void hideExitIcon() {
         requireActivity().findViewById(R.id.action_bar_icon_container)
                 .setVisibility(FrameLayout.GONE);

         Guideline guideLine = (Guideline) requireActivity().findViewById(R.id.start_margin);
         guideLine.setGuidelineBegin(getResources()
                 .getDimensionPixelOffset(R.dimen.action_bar_no_icon_start_margin));
     }
 }
	/*
	* Copyright (C) 2018 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.car.settings.quicksettings;

	import android.app.Activity;
	import android.car.drivingstate.CarUxRestrictions;
	import android.car.userlib.CarUserManagerHelper;
	import android.content.Context;
	import android.content.pm.UserInfo;
	import android.graphics.drawable.Drawable;
	import android.os.Build;
	import android.os.Bundle;
	import android.os.SystemProperties;
	import android.os.UserManager;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.widget.Button;
	import android.widget.FrameLayout;
	import android.widget.TextView;

	import androidx.annotation.LayoutRes;
	import androidx.annotation.NonNull;
	import androidx.constraintlayout.widget.Guideline;
	import androidx.fragment.app.FragmentActivity;
	import androidx.fragment.app.FragmentManager;
	import androidx.recyclerview.widget.RecyclerView;

	import com.android.car.settings.R;
	import com.android.car.settings.common.BaseFragment;
	import com.android.car.settings.common.CarUxRestrictionsHelper;
	import com.android.car.settings.home.HomepageFragment;
	import com.android.car.settings.users.UserIconProvider;
	import com.android.car.settings.users.UserSwitcherFragment;

	import java.util.Arrays;
	import java.util.HashSet;
	import java.util.Set;
	import java.util.concurrent.TimeUnit;

	/**
	* Shows a page to access frequently used settings.
	*/
	public class QuickSettingFragment extends BaseFragment {
	// Time to delay refreshing the build info, if the clock is not correct.
	private static final long BUILD_INFO_REFRESH_TIME_MS = TimeUnit.SECONDS.toMillis(5);
	/**
	* Indicates whether all Preferences are configured to ignore UX Restrictions Event.
	*/
	private boolean mAllIgnoresUxRestrictions;

	/**
	* Set of the keys of Preferences that ignore UX Restrictions. When mAlwaysIgnoreUxRestrictions
	* is configured to be false, then only the Preferences whose keys are contained in this Set
	* ignore UX Restrictions.
	*/
	private Set<String> mPreferencesIgnoringUxRestrictions;

	private CarUserManagerHelper mCarUserManagerHelper;
	private UserIconProvider mUserIconProvider;
	private QuickSettingGridAdapter mGridAdapter;
	private RecyclerView mListView;
	private View mFullSettingsBtn;
	private View mUserSwitcherBtn;
	private HomeFragmentLauncher mHomeFragmentLauncher;
	private float mOpacityDisabled;
	private float mOpacityEnabled;
	private TextView mBuildInfo;

	@Override
	@LayoutRes
	protected int getActionBarLayoutId() {
	return R.layout.action_bar_quick_settings;
	}

	@Override
	@LayoutRes
	protected int getLayoutId() {
	return R.layout.quick_settings;
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
	super.onActivityCreated(savedInstanceState);
	mHomeFragmentLauncher = new HomeFragmentLauncher();
	Activity activity = requireActivity();

	FragmentManager fragmentManager = ((FragmentActivity) activity).getSupportFragmentManager();
	if (fragmentManager.getBackStackEntryCount() == 1
	&& fragmentManager.findFragmentByTag("0") != null
	&& fragmentManager.findFragmentByTag("0").getClass().getName().equals(
	getString(R.string.config_settings_hierarchy_root_fragment))
	&& !getContext().getResources()
	.getBoolean(R.bool.config_show_settings_root_exit_icon)) {
	hideExitIcon();
	}

	activity.findViewById(R.id.action_bar_icon_container).setOnClickListener(
	v -> activity.finish());

	mOpacityDisabled = activity.getResources().getFloat(R.dimen.opacity_disabled);
	mOpacityEnabled = activity.getResources().getFloat(R.dimen.opacity_enabled);
	mCarUserManagerHelper = new CarUserManagerHelper(activity);
	mUserIconProvider = new UserIconProvider(mCarUserManagerHelper);
	mListView = activity.findViewById(R.id.list);
	mGridAdapter = new QuickSettingGridAdapter(activity);
	mListView.setLayoutManager(mGridAdapter.getGridLayoutManager());

	mFullSettingsBtn = activity.findViewById(R.id.full_settings_btn);
	mFullSettingsBtn.setOnClickListener(mHomeFragmentLauncher);
	mUserSwitcherBtn = activity.findViewById(R.id.user_switcher_btn);
	mUserSwitcherBtn.setOnClickListener(v -> {
	getFragmentController().launchFragment(new UserSwitcherFragment());
	});
	setupUserButton(activity);

	View exitBtn = activity.findViewById(R.id.action_bar_icon_container);
	exitBtn.setOnClickListener(v -> getFragmentController().goBack());

	mGridAdapter
	.addTile(new WifiTile(activity, mGridAdapter, getFragmentController()))
	.addTile(new BluetoothTile(activity, mGridAdapter, getFragmentController()))
	.addTile(new DayNightTile(activity, mGridAdapter, getFragmentController()))
	.addTile(new CelluarTile(activity, mGridAdapter))
	.addSeekbarTile(new BrightnessTile(activity));
	mListView.setAdapter(mGridAdapter);

	mPreferencesIgnoringUxRestrictions = new HashSet<String>(Arrays.asList(
	getContext().getResources().getStringArray(R.array.config_ignore_ux_restrictions)));
	mAllIgnoresUxRestrictions =
	getContext().getResources().getBoolean(R.bool.config_always_ignore_ux_restrictions);
	}

	@Override
	public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);

	mBuildInfo = view.requireViewById(R.id.build_info);
	}

	@Override
	public void onStart() {
	super.onStart();

	mGridAdapter.start();
	mUserSwitcherBtn.setVisibility(showUserSwitcher() ? View.VISIBLE : View.INVISIBLE);
	// In non-user builds (that is, user-debug, eng, etc), display some version information.
	if (!Build.IS_USER) {
	refreshBuildInfo();
	}
	}

	private void refreshBuildInfo() {
	if (!isAdded()) {
	// This can happen if the delayed post happens before we're stopped. Just give up
	// trying to get the right clock.
	return;
	}

	long buildTimeDiffDays =
	TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis() - Build.TIME);
	if (buildTimeDiffDays < 0) {
	// If it's in the past, that likely means the current time is wrong (or the build time
	// could be wrong, but that's less likely). Reschedule this to run in a few seconds to
	// see whether the clock's been fixed.
	mBuildInfo.postDelayed(this::refreshBuildInfo, BUILD_INFO_REFRESH_TIME_MS);
	}

	String str = String.format(getResources().getString(R.string.build_info_fmt),
	Build.FINGERPRINT, SystemProperties.get("ro.build.date", "<unknown>"),
	buildTimeDiffDays < 0 ? "--" : Long.toString(buildTimeDiffDays));

	mBuildInfo.setVisibility(View.VISIBLE);
	mBuildInfo.setText(str);
	}

	@Override
	public void onStop() {
	super.onStop();
	mGridAdapter.stop();
	}

	private void setupUserButton(Context context) {
	Button userButton = requireActivity().findViewById(R.id.user_switcher_btn);
	UserInfo currentUserInfo = mCarUserManagerHelper.getCurrentForegroundUserInfo();
	Drawable userIcon = mUserIconProvider.getUserIcon(currentUserInfo, context);
	userButton.setCompoundDrawablesRelativeWithIntrinsicBounds(userIcon, /* top= */
	null, /* end= / null, / bottom= */ null);
	userButton.setText(currentUserInfo.name);
	}

	private boolean showUserSwitcher() {
	return !UserManager.isDeviceInDemoMode(getContext())
	&& UserManager.supportsMultipleUsers()
	&& !UserManager.get(getContext()).hasUserRestriction(
	UserManager.DISALLOW_USER_SWITCH);
	}

	/**
	* Quick setting fragment is distraction optimized, so is allowed at all times.
	*/
	@Override
	public boolean canBeShown(@NonNull CarUxRestrictions carUxRestrictions) {
	return true;
	}

	@Override
	public void onUxRestrictionsChanged(CarUxRestrictions restrictionInfo) {
	// TODO: update tiles
	if (!hasPreferenceIgnoringUxRestrictions(mAllIgnoresUxRestrictions,
	mPreferencesIgnoringUxRestrictions)) {
	applyRestriction(CarUxRestrictionsHelper.isNoSetup(restrictionInfo));
	}
	}

	private void applyRestriction(boolean restricted) {
	mHomeFragmentLauncher.showBlockingMessage(restricted);
	mFullSettingsBtn.setAlpha(restricted ? mOpacityDisabled : mOpacityEnabled);
	}

	private class HomeFragmentLauncher implements OnClickListener {
	private boolean mShowBlockingMessage;

	private void showBlockingMessage(boolean show) {
	mShowBlockingMessage = show;
	}

	@Override
	public void onClick(View v) {
	if (mShowBlockingMessage) {
	getFragmentController().showBlockingMessage();
	} else {
	getFragmentController().launchFragment(new HomepageFragment());
	}
	}
	}

	private boolean hasPreferenceIgnoringUxRestrictions(boolean allIgnores, Set prefsThatIgnore) {
	return allIgnores \|\| prefsThatIgnore.size() > 0;
	}

	private void hideExitIcon() {
	requireActivity().findViewById(R.id.action_bar_icon_container)
	.setVisibility(FrameLayout.GONE);

	Guideline guideLine = (Guideline) requireActivity().findViewById(R.id.start_margin);
	guideLine.setGuidelineBegin(getResources()
	.getDimensionPixelOffset(R.dimen.action_bar_no_icon_start_margin));
	}
	}