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/**
* 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.launcher3;
import static com.android.launcher3.PinnedAppListViewModel.PINNED_APPS_KEY;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.AlertDialog;
import android.app.Application;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.inputmethod.InputMethodManager;
import android.widget.GridView;
import android.widget.ImageButton;
import android.widget.PopupMenu;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.lifecycle.ViewModelProvider;
import androidx.lifecycle.ViewModelProvider.AndroidViewModelFactory;
import com.google.android.material.circularreveal.cardview.CircularRevealCardView;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.util.HashSet;
import java.util.Set;
/**
* Secondary launcher activity. It's launch mode is configured as "singleTop" to allow showing on
* multiple displays and to ensure a single instance per each display.
*/
public class SecondaryDisplayLauncher extends FragmentActivity implements AppPickedCallback,
PopupMenu.OnMenuItemClickListener {
private AppListAdapter mAppListAdapter;
private AppListAdapter mPinnedAppListAdapter;
private CircularRevealCardView mAppDrawerView;
private FloatingActionButton mFab;
private boolean mAppDrawerShown;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.secondary_display_launcher);
mAppDrawerView = findViewById(R.id.FloatingSheet);
mFab = findViewById(R.id.FloatingActionButton);
mFab.setOnClickListener((View v) -> {
showAppDrawer(true);
});
final ViewModelProvider viewModelProvider = new ViewModelProvider(getViewModelStore(),
new AndroidViewModelFactory((Application) getApplicationContext()));
mPinnedAppListAdapter = new AppListAdapter(this);
final GridView pinnedAppGridView = findViewById(R.id.pinned_app_grid);
pinnedAppGridView.setAdapter(mPinnedAppListAdapter);
pinnedAppGridView.setOnItemClickListener((adapterView, view, position, id) -> {
final AppEntry entry = mPinnedAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
});
final PinnedAppListViewModel pinnedAppListViewModel =
viewModelProvider.get(PinnedAppListViewModel.class);
pinnedAppListViewModel.getPinnedAppList().observe(this, data -> {
mPinnedAppListAdapter.setData(data);
});
mAppListAdapter = new AppListAdapter(this);
final GridView appGridView = findViewById(R.id.app_grid);
appGridView.setAdapter(mAppListAdapter);
appGridView.setOnItemClickListener((adapterView, view, position, id) -> {
final AppEntry entry = mAppListAdapter.getItem(position);
launch(entry.getLaunchIntent());
});
final AppListViewModel appListViewModel = viewModelProvider.get(AppListViewModel.class);
appListViewModel.getAppList().observe(this, data -> {
mAppListAdapter.setData(data);
});
ImageButton optionsButton = findViewById(R.id.OptionsButton);
optionsButton.setOnClickListener((View v) -> {
PopupMenu popup = new PopupMenu(this,v);
popup.setOnMenuItemClickListener(this);
MenuInflater inflater = popup.getMenuInflater();
inflater.inflate(R.menu.context_menu, popup.getMenu());
popup.show();
});
}
@Override
public boolean onMenuItemClick(MenuItem item) {
// Respond to picking one of the popup menu items.
final int id = item.getItemId();
if (id == R.id.add_app_shortcut) {
FragmentManager fm = getSupportFragmentManager();
PinnedAppPickerDialog pickerDialogFragment =
PinnedAppPickerDialog.newInstance(mAppListAdapter, this);
pickerDialogFragment.show(fm, "fragment_app_picker");
return true;
} else if (id == R.id.set_wallpaper) {
Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
startActivity(Intent.createChooser(intent, getString(R.string.set_wallpaper)));
return true;
}
return true;
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
showAppDrawer(false);
}
public void onBackPressed() {
// If the app drawer was shown - hide it. Otherwise, not doing anything since we don't want
// to close the launcher.
showAppDrawer(false);
}
public void onNewIntent(Intent intent) {
super.onNewIntent(intent);
if (Intent.ACTION_MAIN.equals(intent.getAction())) {
// Hide keyboard.
final View v = getWindow().peekDecorView();
if (v != null && v.getWindowToken() != null) {
getSystemService(InputMethodManager.class).hideSoftInputFromWindow(
v.getWindowToken(), 0);
}
}
// A new intent will bring the launcher to top. Hide the app drawer to reset the state.
showAppDrawer(false);
}
void launch(Intent launchIntent) {
launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
startActivity(launchIntent);
} catch (Exception e) {
final AlertDialog.Builder builder =
new AlertDialog.Builder(this, android.R.style.Theme_Material_Dialog_Alert);
builder.setTitle(R.string.couldnt_launch)
.setMessage(e.getLocalizedMessage())
.setIcon(android.R.drawable.ic_dialog_alert)
.show();
}
}
/**
* Store the picked app to persistent pinned list and update the loader.
*/
@Override
public void onAppPicked(AppEntry appEntry) {
final SharedPreferences sp = getSharedPreferences(PINNED_APPS_KEY, 0);
Set<String> pinnedApps = sp.getStringSet(PINNED_APPS_KEY, null);
if (pinnedApps == null) {
pinnedApps = new HashSet<String>();
} else {
// Always need to create a new object to make sure that the changes are persisted.
pinnedApps = new HashSet<String>(pinnedApps);
}
pinnedApps.add(appEntry.getComponentName().flattenToString());
final SharedPreferences.Editor editor = sp.edit();
editor.putStringSet(PINNED_APPS_KEY, pinnedApps);
editor.apply();
}
/**
* Show/hide app drawer card with animation.
*/
private void showAppDrawer(boolean show) {
if (show == mAppDrawerShown) {
return;
}
final Animator animator = revealAnimator(mAppDrawerView, show);
if (show) {
mAppDrawerShown = true;
mAppDrawerView.setVisibility(View.VISIBLE);
mFab.setVisibility(View.INVISIBLE);
} else {
mAppDrawerShown = false;
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mAppDrawerView.setVisibility(View.INVISIBLE);
mFab.setVisibility(View.VISIBLE);
}
});
}
animator.start();
}
/**
* Create reveal/hide animator for app list card.
*/
private Animator revealAnimator(View view, boolean open) {
final int radius = (int) Math.hypot((double) view.getWidth(), (double) view.getHeight());
return ViewAnimationUtils.createCircularReveal(view, view.getRight(), view.getBottom(),
open ? 0 : radius, open ? radius : 0);
}
}
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