src/com/android/packageinstaller/permission/ui/handheld/ManagePermissionsFragment.java - platform/packages/apps/PackageInstaller - Git at Google

 /*
  * 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.packageinstaller.permission.ui.handheld;

 import android.annotation.Nullable;
 import android.app.ActionBar;
 import android.app.FragmentTransaction;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceScreen;
 import android.util.ArraySet;
 import android.util.Log;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
 import com.android.packageinstaller.R;
 import com.android.packageinstaller.permission.model.PermissionApps;
 import com.android.packageinstaller.permission.model.PermissionApps.PmCache;
 import com.android.packageinstaller.permission.model.PermissionGroup;
 import com.android.packageinstaller.permission.model.PermissionGroups;
 import com.android.packageinstaller.permission.utils.Utils;

 import java.util.List;

 public final class ManagePermissionsFragment extends PermissionsFrameFragment
         implements PermissionGroups.PermissionsGroupsChangeCallback,
         Preference.OnPreferenceClickListener {
     private static final String LOG_TAG = "ManagePermissionsFragment";

     private static final String OS_PKG = "android";

     private static final String EXTRA_PREFS_KEY = "extra_prefs_key";

     private ArraySet<String> mLauncherPkgs;

     private PermissionGroups mPermissions;

     private PreferenceScreen mExtraScreen;

     public static ManagePermissionsFragment newInstance() {
         return new ManagePermissionsFragment();
     }

     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         setLoading(true /* loading */, false /* animate */);
         setHasOptionsMenu(true);
         final ActionBar ab = getActivity().getActionBar();
         if (ab != null) {
             ab.setDisplayHomeAsUpEnabled(true);
         }
         mLauncherPkgs = Utils.getLauncherPackages(getContext());
         mPermissions = new PermissionGroups(getActivity(), getLoaderManager(), this);
     }

     @Override
     public void onResume() {
         super.onResume();
         mPermissions.refresh();
         updatePermissionsUi();
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (item.getItemId() == android.R.id.home) {
             getActivity().finish();
             return true;
         }
         return super.onOptionsItemSelected(item);
     }

     @Override
     public boolean onPreferenceClick(Preference preference) {
         String key = preference.getKey();

         PermissionGroup group = mPermissions.getGroup(key);
         if (group == null) {
             return false;
         }

         Intent intent = new Intent(Intent.ACTION_MANAGE_PERMISSION_APPS)
                 .putExtra(Intent.EXTRA_PERMISSION_NAME, key);
         try {
             getActivity().startActivity(intent);
         } catch (ActivityNotFoundException e) {
             Log.w(LOG_TAG, "No app to handle " + intent);
         }

         return true;
     }

     @Override
     public void onPermissionGroupsChanged() {
         updatePermissionsUi();
     }

     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         bindPermissionUi(getActivity(), getView());
     }

     private static void bindPermissionUi(@Nullable Context context, @Nullable View rootView) {
         if (context == null || rootView == null) {
             return;
         }

         ImageView iconView = (ImageView) rootView.findViewById(R.id.lb_icon);
         if (iconView != null) {
             // Set the icon as the background instead of the image because ImageView
             // doesn't properly scale vector drawables beyond their intrinsic size
             Drawable icon = context.getDrawable(R.drawable.ic_lock);
             icon.setTint(context.getColor(R.color.off_white));
             iconView.setBackground(icon);
         }
         TextView titleView = (TextView) rootView.findViewById(R.id.lb_title);
         if (titleView != null) {
             titleView.setText(R.string.app_permissions);
         }
         TextView breadcrumbView = (TextView) rootView.findViewById(R.id.lb_breadcrumb);
         if (breadcrumbView != null) {
             breadcrumbView.setText(R.string.app_permissions_breadcrumb);
         }
     }

     private void updatePermissionsUi() {
         Context context = getActivity();
         if (context == null) {
             return;
         }

         List<PermissionGroup> groups = mPermissions.getGroups();
         PreferenceScreen screen = getPreferenceScreen();
         if (screen == null) {
             screen = getPreferenceManager().createPreferenceScreen(getActivity());
             setPreferenceScreen(screen);
         }

         // Use this to speed up getting the info for all of the PermissionApps below.
         // Create a new one for each refresh to make sure it has fresh data.
         PmCache cache = new PmCache(getContext().getPackageManager());
         for (PermissionGroup group : groups) {
             boolean isSystemPermission = group.getDeclaringPackage().equals(OS_PKG);

             Preference preference = findPreference(group.getName());
             if (preference == null && mExtraScreen != null) {
                 preference = mExtraScreen.findPreference(group.getName());
             }
             if (preference == null) {
                 preference = new Preference(context);
                 preference.setOnPreferenceClickListener(this);
                 preference.setKey(group.getName());
                 preference.setIcon(Utils.applyTint(context, group.getIcon(),
                         android.R.attr.colorControlNormal));
                 preference.setTitle(group.getLabel());
                 // Set blank summary so that no resizing/jumping happens when the summary is loaded.
                 preference.setSummary(" ");
                 preference.setPersistent(false);
                 if (isSystemPermission) {
                     screen.addPreference(preference);
                 } else {
                     if (mExtraScreen == null) {
                         mExtraScreen = getPreferenceManager().createPreferenceScreen(context);
                     }
                     mExtraScreen.addPreference(preference);
                 }
             }
             final Preference finalPref = preference;

             new PermissionApps(getContext(), group.getName(), new PermissionApps.Callback() {
                 @Override
                 public void onPermissionsLoaded(PermissionApps permissionApps) {
                     if (getActivity() == null) {
                         return;
                     }
                     int granted = permissionApps.getGrantedCount(mLauncherPkgs);
                     int total = permissionApps.getTotalCount(mLauncherPkgs);
                     finalPref.setSummary(getString(R.string.app_permissions_group_summary,
                             granted, total));
                 }
             }, cache).refresh(false);
         }

         if (mExtraScreen != null && mExtraScreen.getPreferenceCount() > 0
                 && screen.findPreference(EXTRA_PREFS_KEY) == null) {
             Preference extraScreenPreference = new Preference(context);
             extraScreenPreference.setKey(EXTRA_PREFS_KEY);
             extraScreenPreference.setIcon(Utils.applyTint(context,
                     R.drawable.ic_more_items,
                     android.R.attr.colorControlNormal));
             extraScreenPreference.setTitle(R.string.additional_permissions);
             extraScreenPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
                 @Override
                 public boolean onPreferenceClick(Preference preference) {
                     AdditionalPermissionsFragment frag = new AdditionalPermissionsFragment();
                     frag.setTargetFragment(ManagePermissionsFragment.this, 0);
                     FragmentTransaction ft = getFragmentManager().beginTransaction();
                     ft.replace(android.R.id.content, frag);
                     ft.addToBackStack(null);
                     ft.commit();
                     return true;
                 }
             });
             int count = mExtraScreen.getPreferenceCount();
             extraScreenPreference.setSummary(getResources().getQuantityString(
                     R.plurals.additional_permissions_more, count, count));
             screen.addPreference(extraScreenPreference);
         }
         if (screen.getPreferenceCount() != 0) {
             setLoading(false /* loading */, true /* animate */);
         }
     }

     public static class AdditionalPermissionsFragment extends PermissionsFrameFragment {
         @Override
         public void onCreate(Bundle icicle) {
             setLoading(true /* loading */, false /* animate */);
             super.onCreate(icicle);
             getActivity().setTitle(R.string.additional_permissions);
             setHasOptionsMenu(true);

             setPreferenceScreen(((ManagePermissionsFragment) getTargetFragment()).mExtraScreen);
             setLoading(false /* loading */, true /* animate */);
         }

         @Override
         public void onDestroy() {
             getActivity().setTitle(R.string.app_permissions);
             super.onDestroy();
         }

         @Override
         public boolean onOptionsItemSelected(MenuItem item) {
             switch (item.getItemId()) {
                 case android.R.id.home:
                     getFragmentManager().popBackStack();
                     return true;
             }
             return super.onOptionsItemSelected(item);
         }

         @Override
         public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
             super.onViewCreated(view, savedInstanceState);
             bindPermissionUi(getActivity(), getView());
         }
     }
 }
	/*
	* 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.packageinstaller.permission.ui.handheld;

	import android.annotation.Nullable;
	import android.app.ActionBar;
	import android.app.FragmentTransaction;
	import android.content.ActivityNotFoundException;
	import android.content.Context;
	import android.content.Intent;
	import android.graphics.drawable.Drawable;
	import android.os.Bundle;
	import android.preference.Preference;
	import android.preference.Preference.OnPreferenceClickListener;
	import android.preference.PreferenceScreen;
	import android.util.ArraySet;
	import android.util.Log;
	import android.view.MenuItem;
	import android.view.View;
	import android.widget.ImageView;
	import android.widget.TextView;
	import com.android.packageinstaller.R;
	import com.android.packageinstaller.permission.model.PermissionApps;
	import com.android.packageinstaller.permission.model.PermissionApps.PmCache;
	import com.android.packageinstaller.permission.model.PermissionGroup;
	import com.android.packageinstaller.permission.model.PermissionGroups;
	import com.android.packageinstaller.permission.utils.Utils;

	import java.util.List;

	public final class ManagePermissionsFragment extends PermissionsFrameFragment
	implements PermissionGroups.PermissionsGroupsChangeCallback,
	Preference.OnPreferenceClickListener {
	private static final String LOG_TAG = "ManagePermissionsFragment";

	private static final String OS_PKG = "android";

	private static final String EXTRA_PREFS_KEY = "extra_prefs_key";

	private ArraySet<String> mLauncherPkgs;

	private PermissionGroups mPermissions;

	private PreferenceScreen mExtraScreen;

	public static ManagePermissionsFragment newInstance() {
	return new ManagePermissionsFragment();
	}

	@Override
	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);
	setLoading(true /* loading /, false / animate */);
	setHasOptionsMenu(true);
	final ActionBar ab = getActivity().getActionBar();
	if (ab != null) {
	ab.setDisplayHomeAsUpEnabled(true);
	}
	mLauncherPkgs = Utils.getLauncherPackages(getContext());
	mPermissions = new PermissionGroups(getActivity(), getLoaderManager(), this);
	}

	@Override
	public void onResume() {
	super.onResume();
	mPermissions.refresh();
	updatePermissionsUi();
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	if (item.getItemId() == android.R.id.home) {
	getActivity().finish();
	return true;
	}
	return super.onOptionsItemSelected(item);
	}

	@Override
	public boolean onPreferenceClick(Preference preference) {
	String key = preference.getKey();

	PermissionGroup group = mPermissions.getGroup(key);
	if (group == null) {
	return false;
	}

	Intent intent = new Intent(Intent.ACTION_MANAGE_PERMISSION_APPS)
	.putExtra(Intent.EXTRA_PERMISSION_NAME, key);
	try {
	getActivity().startActivity(intent);
	} catch (ActivityNotFoundException e) {
	Log.w(LOG_TAG, "No app to handle " + intent);
	}

	return true;
	}

	@Override
	public void onPermissionGroupsChanged() {
	updatePermissionsUi();
	}

	@Override
	public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	bindPermissionUi(getActivity(), getView());
	}

	private static void bindPermissionUi(@Nullable Context context, @Nullable View rootView) {
	if (context == null \|\| rootView == null) {
	return;
	}

	ImageView iconView = (ImageView) rootView.findViewById(R.id.lb_icon);
	if (iconView != null) {
	// Set the icon as the background instead of the image because ImageView
	// doesn't properly scale vector drawables beyond their intrinsic size
	Drawable icon = context.getDrawable(R.drawable.ic_lock);
	icon.setTint(context.getColor(R.color.off_white));
	iconView.setBackground(icon);
	}
	TextView titleView = (TextView) rootView.findViewById(R.id.lb_title);
	if (titleView != null) {
	titleView.setText(R.string.app_permissions);
	}
	TextView breadcrumbView = (TextView) rootView.findViewById(R.id.lb_breadcrumb);
	if (breadcrumbView != null) {
	breadcrumbView.setText(R.string.app_permissions_breadcrumb);
	}
	}

	private void updatePermissionsUi() {
	Context context = getActivity();
	if (context == null) {
	return;
	}

	List<PermissionGroup> groups = mPermissions.getGroups();
	PreferenceScreen screen = getPreferenceScreen();
	if (screen == null) {
	screen = getPreferenceManager().createPreferenceScreen(getActivity());
	setPreferenceScreen(screen);
	}

	// Use this to speed up getting the info for all of the PermissionApps below.
	// Create a new one for each refresh to make sure it has fresh data.
	PmCache cache = new PmCache(getContext().getPackageManager());
	for (PermissionGroup group : groups) {
	boolean isSystemPermission = group.getDeclaringPackage().equals(OS_PKG);

	Preference preference = findPreference(group.getName());
	if (preference == null && mExtraScreen != null) {
	preference = mExtraScreen.findPreference(group.getName());
	}
	if (preference == null) {
	preference = new Preference(context);
	preference.setOnPreferenceClickListener(this);
	preference.setKey(group.getName());
	preference.setIcon(Utils.applyTint(context, group.getIcon(),
	android.R.attr.colorControlNormal));
	preference.setTitle(group.getLabel());
	// Set blank summary so that no resizing/jumping happens when the summary is loaded.
	preference.setSummary(" ");
	preference.setPersistent(false);
	if (isSystemPermission) {
	screen.addPreference(preference);
	} else {
	if (mExtraScreen == null) {
	mExtraScreen = getPreferenceManager().createPreferenceScreen(context);
	}
	mExtraScreen.addPreference(preference);
	}
	}
	final Preference finalPref = preference;

	new PermissionApps(getContext(), group.getName(), new PermissionApps.Callback() {
	@Override
	public void onPermissionsLoaded(PermissionApps permissionApps) {
	if (getActivity() == null) {
	return;
	}
	int granted = permissionApps.getGrantedCount(mLauncherPkgs);
	int total = permissionApps.getTotalCount(mLauncherPkgs);
	finalPref.setSummary(getString(R.string.app_permissions_group_summary,
	granted, total));
	}
	}, cache).refresh(false);
	}

	if (mExtraScreen != null && mExtraScreen.getPreferenceCount() > 0
	&& screen.findPreference(EXTRA_PREFS_KEY) == null) {
	Preference extraScreenPreference = new Preference(context);
	extraScreenPreference.setKey(EXTRA_PREFS_KEY);
	extraScreenPreference.setIcon(Utils.applyTint(context,
	R.drawable.ic_more_items,
	android.R.attr.colorControlNormal));
	extraScreenPreference.setTitle(R.string.additional_permissions);
	extraScreenPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
	@Override
	public boolean onPreferenceClick(Preference preference) {
	AdditionalPermissionsFragment frag = new AdditionalPermissionsFragment();
	frag.setTargetFragment(ManagePermissionsFragment.this, 0);
	FragmentTransaction ft = getFragmentManager().beginTransaction();
	ft.replace(android.R.id.content, frag);
	ft.addToBackStack(null);
	ft.commit();
	return true;
	}
	});
	int count = mExtraScreen.getPreferenceCount();
	extraScreenPreference.setSummary(getResources().getQuantityString(
	R.plurals.additional_permissions_more, count, count));
	screen.addPreference(extraScreenPreference);
	}
	if (screen.getPreferenceCount() != 0) {
	setLoading(false /* loading /, true / animate */);
	}
	}

	public static class AdditionalPermissionsFragment extends PermissionsFrameFragment {
	@Override
	public void onCreate(Bundle icicle) {
	setLoading(true /* loading /, false / animate */);
	super.onCreate(icicle);
	getActivity().setTitle(R.string.additional_permissions);
	setHasOptionsMenu(true);

	setPreferenceScreen(((ManagePermissionsFragment) getTargetFragment()).mExtraScreen);
	setLoading(false /* loading /, true / animate */);
	}

	@Override
	public void onDestroy() {
	getActivity().setTitle(R.string.app_permissions);
	super.onDestroy();
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	switch (item.getItemId()) {
	case android.R.id.home:
	getFragmentManager().popBackStack();
	return true;
	}
	return super.onOptionsItemSelected(item);
	}

	@Override
	public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	bindPermissionUi(getActivity(), getView());
	}
	}
	}