/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.statusbar;
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import static android.content.Context.LAYOUT_INFLATER_SERVICE;
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import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_YES;
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import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.app.AlertDialog;
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import android.app.AppGlobals;
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import android.app.Dialog;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.DialogInterface.OnClickListener;
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import android.content.Intent;
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import android.content.pm.IPackageManager;
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import android.content.pm.PackageInfo;
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import android.content.pm.ResolveInfo;
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import android.content.res.ColorStateList;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.Icon;
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import android.hardware.input.InputManager;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.RemoteException;
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import android.util.Log;
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import android.util.SparseArray;
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import android.view.ContextThemeWrapper;
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import android.view.InputDevice;
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import android.view.KeyCharacterMap;
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import android.view.KeyEvent;
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import android.view.KeyboardShortcutGroup;
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import android.view.KeyboardShortcutInfo;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.AccessibilityDelegate;
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import android.view.ViewGroup;
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import android.view.Window;
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import android.view.WindowManager;
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import android.view.WindowManager.KeyboardShortcutsReceiver;
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import android.view.accessibility.AccessibilityNodeInfo;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import com.android.internal.app.AssistUtils;
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import com.android.internal.logging.MetricsLogger;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settingslib.Utils;
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import com.android.systemui.R;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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/**
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* Contains functionality for handling keyboard shortcuts.
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*/
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public final class KeyboardShortcuts {
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private static final String TAG = KeyboardShortcuts.class.getSimpleName();
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private static final Object sLock = new Object();
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private static KeyboardShortcuts sInstance;
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private final SparseArray<String> mSpecialCharacterNames = new SparseArray<>();
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private final SparseArray<String> mModifierNames = new SparseArray<>();
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private final SparseArray<Drawable> mSpecialCharacterDrawables = new SparseArray<>();
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private final SparseArray<Drawable> mModifierDrawables = new SparseArray<>();
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// Ordered list of modifiers that are supported. All values in this array must exist in
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// mModifierNames.
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private final int[] mModifierList = new int[] {
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KeyEvent.META_META_ON, KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON,
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KeyEvent.META_SHIFT_ON, KeyEvent.META_SYM_ON, KeyEvent.META_FUNCTION_ON
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};
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private final Handler mHandler = new Handler(Looper.getMainLooper());
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private final Context mContext;
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private final IPackageManager mPackageManager;
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private final OnClickListener mDialogCloseListener = new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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dismissKeyboardShortcuts();
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}
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};
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private final Comparator<KeyboardShortcutInfo> mApplicationItemsComparator =
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new Comparator<KeyboardShortcutInfo>() {
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@Override
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public int compare(KeyboardShortcutInfo ksh1, KeyboardShortcutInfo ksh2) {
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boolean ksh1ShouldBeLast = ksh1.getLabel() == null
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|| ksh1.getLabel().toString().isEmpty();
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boolean ksh2ShouldBeLast = ksh2.getLabel() == null
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|| ksh2.getLabel().toString().isEmpty();
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if (ksh1ShouldBeLast && ksh2ShouldBeLast) {
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return 0;
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}
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if (ksh1ShouldBeLast) {
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return 1;
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}
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if (ksh2ShouldBeLast) {
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return -1;
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}
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return (ksh1.getLabel().toString()).compareToIgnoreCase(
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ksh2.getLabel().toString());
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}
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};
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private Dialog mKeyboardShortcutsDialog;
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private KeyCharacterMap mKeyCharacterMap;
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private KeyCharacterMap mBackupKeyCharacterMap;
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private KeyboardShortcuts(Context context) {
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this.mContext = new ContextThemeWrapper(
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context, android.R.style.Theme_DeviceDefault_Settings);
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this.mPackageManager = AppGlobals.getPackageManager();
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loadResources(context);
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}
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private static KeyboardShortcuts getInstance(Context context) {
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if (sInstance == null) {
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sInstance = new KeyboardShortcuts(context);
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}
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return sInstance;
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}
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public static void show(Context context, int deviceId) {
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MetricsLogger.visible(context,
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MetricsProto.MetricsEvent.KEYBOARD_SHORTCUTS_HELPER);
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synchronized (sLock) {
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if (sInstance != null && !sInstance.mContext.equals(context)) {
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dismiss();
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}
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getInstance(context).showKeyboardShortcuts(deviceId);
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}
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}
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public static void toggle(Context context, int deviceId) {
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synchronized (sLock) {
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if (isShowing()) {
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dismiss();
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} else {
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show(context, deviceId);
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}
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}
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}
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public static void dismiss() {
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synchronized (sLock) {
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if (sInstance != null) {
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MetricsLogger.hidden(sInstance.mContext,
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MetricsProto.MetricsEvent.KEYBOARD_SHORTCUTS_HELPER);
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sInstance.dismissKeyboardShortcuts();
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sInstance = null;
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}
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}
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}
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private static boolean isShowing() {
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return sInstance != null && sInstance.mKeyboardShortcutsDialog != null
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&& sInstance.mKeyboardShortcutsDialog.isShowing();
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}
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private void loadResources(Context context) {
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_HOME, context.getString(R.string.keyboard_key_home));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_BACK, context.getString(R.string.keyboard_key_back));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_DPAD_UP, context.getString(R.string.keyboard_key_dpad_up));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_DPAD_DOWN, context.getString(R.string.keyboard_key_dpad_down));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_DPAD_LEFT, context.getString(R.string.keyboard_key_dpad_left));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_DPAD_RIGHT, context.getString(R.string.keyboard_key_dpad_right));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_DPAD_CENTER, context.getString(R.string.keyboard_key_dpad_center));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_PERIOD, ".");
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_TAB, context.getString(R.string.keyboard_key_tab));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_SPACE, context.getString(R.string.keyboard_key_space));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_ENTER, context.getString(R.string.keyboard_key_enter));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_DEL, context.getString(R.string.keyboard_key_backspace));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE,
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context.getString(R.string.keyboard_key_media_play_pause));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_MEDIA_STOP, context.getString(R.string.keyboard_key_media_stop));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_MEDIA_NEXT, context.getString(R.string.keyboard_key_media_next));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_PREVIOUS,
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context.getString(R.string.keyboard_key_media_previous));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_REWIND,
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context.getString(R.string.keyboard_key_media_rewind));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_FAST_FORWARD,
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context.getString(R.string.keyboard_key_media_fast_forward));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_PAGE_UP, context.getString(R.string.keyboard_key_page_up));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_PAGE_DOWN, context.getString(R.string.keyboard_key_page_down));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_A,
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context.getString(R.string.keyboard_key_button_template, "A"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_B,
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context.getString(R.string.keyboard_key_button_template, "B"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_C,
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context.getString(R.string.keyboard_key_button_template, "C"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_X,
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context.getString(R.string.keyboard_key_button_template, "X"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_Y,
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context.getString(R.string.keyboard_key_button_template, "Y"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_Z,
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context.getString(R.string.keyboard_key_button_template, "Z"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_L1,
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context.getString(R.string.keyboard_key_button_template, "L1"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_R1,
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context.getString(R.string.keyboard_key_button_template, "R1"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_L2,
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context.getString(R.string.keyboard_key_button_template, "L2"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_R2,
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context.getString(R.string.keyboard_key_button_template, "R2"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_START,
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context.getString(R.string.keyboard_key_button_template, "Start"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_SELECT,
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context.getString(R.string.keyboard_key_button_template, "Select"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_MODE,
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context.getString(R.string.keyboard_key_button_template, "Mode"));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_FORWARD_DEL, context.getString(R.string.keyboard_key_forward_del));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_ESCAPE, "Esc");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_SYSRQ, "SysRq");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_BREAK, "Break");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_SCROLL_LOCK, "Scroll Lock");
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_MOVE_HOME, context.getString(R.string.keyboard_key_move_home));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_MOVE_END, context.getString(R.string.keyboard_key_move_end));
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_INSERT, context.getString(R.string.keyboard_key_insert));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F1, "F1");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F2, "F2");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F3, "F3");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F4, "F4");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F5, "F5");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F6, "F6");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F7, "F7");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F8, "F8");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F9, "F9");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F10, "F10");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F11, "F11");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_F12, "F12");
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mSpecialCharacterNames.put(
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KeyEvent.KEYCODE_NUM_LOCK, context.getString(R.string.keyboard_key_num_lock));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_0,
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context.getString(R.string.keyboard_key_numpad_template, "0"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_1,
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context.getString(R.string.keyboard_key_numpad_template, "1"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_2,
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context.getString(R.string.keyboard_key_numpad_template, "2"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_3,
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context.getString(R.string.keyboard_key_numpad_template, "3"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_4,
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context.getString(R.string.keyboard_key_numpad_template, "4"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_5,
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context.getString(R.string.keyboard_key_numpad_template, "5"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_6,
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context.getString(R.string.keyboard_key_numpad_template, "6"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_7,
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context.getString(R.string.keyboard_key_numpad_template, "7"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_8,
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context.getString(R.string.keyboard_key_numpad_template, "8"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_9,
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context.getString(R.string.keyboard_key_numpad_template, "9"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_DIVIDE,
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context.getString(R.string.keyboard_key_numpad_template, "/"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_MULTIPLY,
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context.getString(R.string.keyboard_key_numpad_template, "*"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_SUBTRACT,
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context.getString(R.string.keyboard_key_numpad_template, "-"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_ADD,
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context.getString(R.string.keyboard_key_numpad_template, "+"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_DOT,
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context.getString(R.string.keyboard_key_numpad_template, "."));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_COMMA,
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context.getString(R.string.keyboard_key_numpad_template, ","));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_ENTER,
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context.getString(R.string.keyboard_key_numpad_template,
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context.getString(R.string.keyboard_key_enter)));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_EQUALS,
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context.getString(R.string.keyboard_key_numpad_template, "="));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_LEFT_PAREN,
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context.getString(R.string.keyboard_key_numpad_template, "("));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_RIGHT_PAREN,
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context.getString(R.string.keyboard_key_numpad_template, ")"));
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_ZENKAKU_HANKAKU, "半角/全角");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_EISU, "英数");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_MUHENKAN, "無変換");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_HENKAN, "変換");
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mSpecialCharacterNames.put(KeyEvent.KEYCODE_KATAKANA_HIRAGANA, "かな");
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mModifierNames.put(KeyEvent.META_META_ON, "Meta");
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mModifierNames.put(KeyEvent.META_CTRL_ON, "Ctrl");
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mModifierNames.put(KeyEvent.META_ALT_ON, "Alt");
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mModifierNames.put(KeyEvent.META_SHIFT_ON, "Shift");
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mModifierNames.put(KeyEvent.META_SYM_ON, "Sym");
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mModifierNames.put(KeyEvent.META_FUNCTION_ON, "Fn");
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mSpecialCharacterDrawables.put(
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KeyEvent.KEYCODE_DEL, context.getDrawable(R.drawable.ic_ksh_key_backspace));
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mSpecialCharacterDrawables.put(
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KeyEvent.KEYCODE_ENTER, context.getDrawable(R.drawable.ic_ksh_key_enter));
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mSpecialCharacterDrawables.put(
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KeyEvent.KEYCODE_DPAD_UP, context.getDrawable(R.drawable.ic_ksh_key_up));
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mSpecialCharacterDrawables.put(
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KeyEvent.KEYCODE_DPAD_RIGHT, context.getDrawable(R.drawable.ic_ksh_key_right));
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mSpecialCharacterDrawables.put(
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KeyEvent.KEYCODE_DPAD_DOWN, context.getDrawable(R.drawable.ic_ksh_key_down));
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mSpecialCharacterDrawables.put(
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KeyEvent.KEYCODE_DPAD_LEFT, context.getDrawable(R.drawable.ic_ksh_key_left));
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mModifierDrawables.put(
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KeyEvent.META_META_ON, context.getDrawable(R.drawable.ic_ksh_key_meta));
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}
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/**
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* Retrieves a {@link KeyCharacterMap} and assigns it to mKeyCharacterMap. If the given id is an
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* existing device, that device's map is used. Otherwise, it checks first all available devices
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* and if there is a full keyboard it uses that map, otherwise falls back to the Virtual
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* Keyboard with its default map.
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*/
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private void retrieveKeyCharacterMap(int deviceId) {
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final InputManager inputManager = InputManager.getInstance();
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mBackupKeyCharacterMap = inputManager.getInputDevice(-1).getKeyCharacterMap();
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if (deviceId != -1) {
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final InputDevice inputDevice = inputManager.getInputDevice(deviceId);
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if (inputDevice != null) {
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mKeyCharacterMap = inputDevice.getKeyCharacterMap();
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return;
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}
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}
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final int[] deviceIds = inputManager.getInputDeviceIds();
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for (int i = 0; i < deviceIds.length; ++i) {
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final InputDevice inputDevice = inputManager.getInputDevice(deviceIds[i]);
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// -1 is the Virtual Keyboard, with the default key map. Use that one only as last
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// resort.
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if (inputDevice.getId() != -1 && inputDevice.isFullKeyboard()) {
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mKeyCharacterMap = inputDevice.getKeyCharacterMap();
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return;
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}
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}
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// Fall back to -1, the virtual keyboard.
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mKeyCharacterMap = mBackupKeyCharacterMap;
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}
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private void showKeyboardShortcuts(int deviceId) {
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retrieveKeyCharacterMap(deviceId);
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WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
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wm.requestAppKeyboardShortcuts(new KeyboardShortcutsReceiver() {
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@Override
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public void onKeyboardShortcutsReceived(
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final List<KeyboardShortcutGroup> result) {
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result.add(getSystemShortcuts());
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final KeyboardShortcutGroup appShortcuts = getDefaultApplicationShortcuts();
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if (appShortcuts != null) {
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result.add(appShortcuts);
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}
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showKeyboardShortcutsDialog(result);
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}
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}, deviceId);
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}
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private void dismissKeyboardShortcuts() {
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if (mKeyboardShortcutsDialog != null) {
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mKeyboardShortcutsDialog.dismiss();
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mKeyboardShortcutsDialog = null;
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}
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}
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private KeyboardShortcutGroup getSystemShortcuts() {
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final KeyboardShortcutGroup systemGroup = new KeyboardShortcutGroup(
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mContext.getString(R.string.keyboard_shortcut_group_system), true);
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systemGroup.addItem(new KeyboardShortcutInfo(
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mContext.getString(R.string.keyboard_shortcut_group_system_home),
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KeyEvent.KEYCODE_ENTER,
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KeyEvent.META_META_ON));
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systemGroup.addItem(new KeyboardShortcutInfo(
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mContext.getString(R.string.keyboard_shortcut_group_system_back),
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KeyEvent.KEYCODE_DEL,
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KeyEvent.META_META_ON));
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systemGroup.addItem(new KeyboardShortcutInfo(
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mContext.getString(R.string.keyboard_shortcut_group_system_recents),
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KeyEvent.KEYCODE_TAB,
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KeyEvent.META_ALT_ON));
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systemGroup.addItem(new KeyboardShortcutInfo(
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mContext.getString(
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R.string.keyboard_shortcut_group_system_notifications),
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KeyEvent.KEYCODE_N,
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KeyEvent.META_META_ON));
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systemGroup.addItem(new KeyboardShortcutInfo(
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mContext.getString(
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R.string.keyboard_shortcut_group_system_shortcuts_helper),
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KeyEvent.KEYCODE_SLASH,
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KeyEvent.META_META_ON));
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systemGroup.addItem(new KeyboardShortcutInfo(
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mContext.getString(
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R.string.keyboard_shortcut_group_system_switch_input),
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KeyEvent.KEYCODE_SPACE,
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KeyEvent.META_META_ON));
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return systemGroup;
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}
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private KeyboardShortcutGroup getDefaultApplicationShortcuts() {
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final int userId = mContext.getUserId();
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List<KeyboardShortcutInfo> keyboardShortcutInfoAppItems = new ArrayList<>();
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// Assist.
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final AssistUtils assistUtils = new AssistUtils(mContext);
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final ComponentName assistComponent = assistUtils.getAssistComponentForUser(userId);
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// Not all devices have an assist component.
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if (assistComponent != null) {
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PackageInfo assistPackageInfo = null;
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try {
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assistPackageInfo = mPackageManager.getPackageInfo(
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assistComponent.getPackageName(), 0, userId);
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} catch (RemoteException e) {
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Log.e(TAG, "PackageManagerService is dead");
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}
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if (assistPackageInfo != null) {
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final Icon assistIcon = Icon.createWithResource(
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assistPackageInfo.applicationInfo.packageName,
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assistPackageInfo.applicationInfo.icon);
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keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
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mContext.getString(R.string.keyboard_shortcut_group_applications_assist),
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assistIcon,
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KeyEvent.KEYCODE_UNKNOWN,
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KeyEvent.META_META_ON));
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}
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}
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// Browser.
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final Icon browserIcon = getIconForIntentCategory(Intent.CATEGORY_APP_BROWSER, userId);
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if (browserIcon != null) {
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keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
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mContext.getString(R.string.keyboard_shortcut_group_applications_browser),
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browserIcon,
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KeyEvent.KEYCODE_B,
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KeyEvent.META_META_ON));
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}
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// Contacts.
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final Icon contactsIcon = getIconForIntentCategory(Intent.CATEGORY_APP_CONTACTS, userId);
|
if (contactsIcon != null) {
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keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
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mContext.getString(R.string.keyboard_shortcut_group_applications_contacts),
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contactsIcon,
|
KeyEvent.KEYCODE_C,
|
KeyEvent.META_META_ON));
|
}
|
|
// Email.
|
final Icon emailIcon = getIconForIntentCategory(Intent.CATEGORY_APP_EMAIL, userId);
|
if (emailIcon != null) {
|
keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
|
mContext.getString(R.string.keyboard_shortcut_group_applications_email),
|
emailIcon,
|
KeyEvent.KEYCODE_E,
|
KeyEvent.META_META_ON));
|
}
|
|
// Messaging.
|
final Icon messagingIcon = getIconForIntentCategory(Intent.CATEGORY_APP_MESSAGING, userId);
|
if (messagingIcon != null) {
|
keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
|
mContext.getString(R.string.keyboard_shortcut_group_applications_sms),
|
messagingIcon,
|
KeyEvent.KEYCODE_S,
|
KeyEvent.META_META_ON));
|
}
|
|
// Music.
|
final Icon musicIcon = getIconForIntentCategory(Intent.CATEGORY_APP_MUSIC, userId);
|
if (musicIcon != null) {
|
keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
|
mContext.getString(R.string.keyboard_shortcut_group_applications_music),
|
musicIcon,
|
KeyEvent.KEYCODE_P,
|
KeyEvent.META_META_ON));
|
}
|
|
// Calendar.
|
final Icon calendarIcon = getIconForIntentCategory(Intent.CATEGORY_APP_CALENDAR, userId);
|
if (calendarIcon != null) {
|
keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
|
mContext.getString(R.string.keyboard_shortcut_group_applications_calendar),
|
calendarIcon,
|
KeyEvent.KEYCODE_L,
|
KeyEvent.META_META_ON));
|
}
|
|
final int itemsSize = keyboardShortcutInfoAppItems.size();
|
if (itemsSize == 0) {
|
return null;
|
}
|
|
// Sorts by label, case insensitive with nulls and/or empty labels last.
|
Collections.sort(keyboardShortcutInfoAppItems, mApplicationItemsComparator);
|
return new KeyboardShortcutGroup(
|
mContext.getString(R.string.keyboard_shortcut_group_applications),
|
keyboardShortcutInfoAppItems,
|
true);
|
}
|
|
private Icon getIconForIntentCategory(String intentCategory, int userId) {
|
final Intent intent = new Intent(Intent.ACTION_MAIN);
|
intent.addCategory(intentCategory);
|
|
final PackageInfo packageInfo = getPackageInfoForIntent(intent, userId);
|
if (packageInfo != null && packageInfo.applicationInfo.icon != 0) {
|
return Icon.createWithResource(
|
packageInfo.applicationInfo.packageName,
|
packageInfo.applicationInfo.icon);
|
}
|
return null;
|
}
|
|
private PackageInfo getPackageInfoForIntent(Intent intent, int userId) {
|
try {
|
ResolveInfo handler;
|
handler = mPackageManager.resolveIntent(
|
intent, intent.resolveTypeIfNeeded(mContext.getContentResolver()), 0, userId);
|
if (handler == null || handler.activityInfo == null) {
|
return null;
|
}
|
return mPackageManager.getPackageInfo(handler.activityInfo.packageName, 0, userId);
|
} catch (RemoteException e) {
|
Log.e(TAG, "PackageManagerService is dead", e);
|
return null;
|
}
|
}
|
|
private void showKeyboardShortcutsDialog(
|
final List<KeyboardShortcutGroup> keyboardShortcutGroups) {
|
// Need to post on the main thread.
|
mHandler.post(new Runnable() {
|
@Override
|
public void run() {
|
handleShowKeyboardShortcuts(keyboardShortcutGroups);
|
}
|
});
|
}
|
|
private void handleShowKeyboardShortcuts(List<KeyboardShortcutGroup> keyboardShortcutGroups) {
|
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(mContext);
|
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
|
LAYOUT_INFLATER_SERVICE);
|
final View keyboardShortcutsView = inflater.inflate(
|
R.layout.keyboard_shortcuts_view, null);
|
populateKeyboardShortcuts((LinearLayout) keyboardShortcutsView.findViewById(
|
R.id.keyboard_shortcuts_container), keyboardShortcutGroups);
|
dialogBuilder.setView(keyboardShortcutsView);
|
dialogBuilder.setPositiveButton(R.string.quick_settings_done, mDialogCloseListener);
|
mKeyboardShortcutsDialog = dialogBuilder.create();
|
mKeyboardShortcutsDialog.setCanceledOnTouchOutside(true);
|
Window keyboardShortcutsWindow = mKeyboardShortcutsDialog.getWindow();
|
keyboardShortcutsWindow.setType(TYPE_SYSTEM_DIALOG);
|
synchronized (sLock) {
|
// showKeyboardShortcutsDialog only if it has not been dismissed already
|
if (sInstance != null) {
|
mKeyboardShortcutsDialog.show();
|
}
|
}
|
}
|
|
private void populateKeyboardShortcuts(LinearLayout keyboardShortcutsLayout,
|
List<KeyboardShortcutGroup> keyboardShortcutGroups) {
|
LayoutInflater inflater = LayoutInflater.from(mContext);
|
final int keyboardShortcutGroupsSize = keyboardShortcutGroups.size();
|
TextView shortcutsKeyView = (TextView) inflater.inflate(
|
R.layout.keyboard_shortcuts_key_view, null, false);
|
shortcutsKeyView.measure(
|
View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
|
final int shortcutKeyTextItemMinWidth = shortcutsKeyView.getMeasuredHeight();
|
// Needed to be able to scale the image items to the same height as the text items.
|
final int shortcutKeyIconItemHeightWidth = shortcutsKeyView.getMeasuredHeight()
|
- shortcutsKeyView.getPaddingTop()
|
- shortcutsKeyView.getPaddingBottom();
|
for (int i = 0; i < keyboardShortcutGroupsSize; i++) {
|
KeyboardShortcutGroup group = keyboardShortcutGroups.get(i);
|
TextView categoryTitle = (TextView) inflater.inflate(
|
R.layout.keyboard_shortcuts_category_title, keyboardShortcutsLayout, false);
|
categoryTitle.setText(group.getLabel());
|
categoryTitle.setTextColor(group.isSystemGroup() ? Utils.getColorAccent(mContext) :
|
ColorStateList.valueOf(mContext.getColor(R.color.ksh_application_group_color)));
|
keyboardShortcutsLayout.addView(categoryTitle);
|
|
LinearLayout shortcutContainer = (LinearLayout) inflater.inflate(
|
R.layout.keyboard_shortcuts_container, keyboardShortcutsLayout, false);
|
final int itemsSize = group.getItems().size();
|
for (int j = 0; j < itemsSize; j++) {
|
KeyboardShortcutInfo info = group.getItems().get(j);
|
List<StringDrawableContainer> shortcutKeys = getHumanReadableShortcutKeys(info);
|
if (shortcutKeys == null) {
|
// Ignore shortcuts we can't display keys for.
|
Log.w(TAG, "Keyboard Shortcut contains unsupported keys, skipping.");
|
continue;
|
}
|
View shortcutView = inflater.inflate(R.layout.keyboard_shortcut_app_item,
|
shortcutContainer, false);
|
|
if (info.getIcon() != null) {
|
ImageView shortcutIcon = (ImageView) shortcutView
|
.findViewById(R.id.keyboard_shortcuts_icon);
|
shortcutIcon.setImageIcon(info.getIcon());
|
shortcutIcon.setVisibility(View.VISIBLE);
|
}
|
|
TextView shortcutKeyword = (TextView) shortcutView
|
.findViewById(R.id.keyboard_shortcuts_keyword);
|
shortcutKeyword.setText(info.getLabel());
|
if (info.getIcon() != null) {
|
RelativeLayout.LayoutParams lp =
|
(RelativeLayout.LayoutParams) shortcutKeyword.getLayoutParams();
|
lp.removeRule(RelativeLayout.ALIGN_PARENT_START);
|
shortcutKeyword.setLayoutParams(lp);
|
}
|
|
ViewGroup shortcutItemsContainer = (ViewGroup) shortcutView
|
.findViewById(R.id.keyboard_shortcuts_item_container);
|
final int shortcutKeysSize = shortcutKeys.size();
|
for (int k = 0; k < shortcutKeysSize; k++) {
|
StringDrawableContainer shortcutRepresentation = shortcutKeys.get(k);
|
if (shortcutRepresentation.mDrawable != null) {
|
ImageView shortcutKeyIconView = (ImageView) inflater.inflate(
|
R.layout.keyboard_shortcuts_key_icon_view, shortcutItemsContainer,
|
false);
|
Bitmap bitmap = Bitmap.createBitmap(shortcutKeyIconItemHeightWidth,
|
shortcutKeyIconItemHeightWidth, Bitmap.Config.ARGB_8888);
|
Canvas canvas = new Canvas(bitmap);
|
shortcutRepresentation.mDrawable.setBounds(0, 0, canvas.getWidth(),
|
canvas.getHeight());
|
shortcutRepresentation.mDrawable.draw(canvas);
|
shortcutKeyIconView.setImageBitmap(bitmap);
|
shortcutKeyIconView.setImportantForAccessibility(
|
IMPORTANT_FOR_ACCESSIBILITY_YES);
|
shortcutKeyIconView.setAccessibilityDelegate(
|
new ShortcutKeyAccessibilityDelegate(
|
shortcutRepresentation.mString));
|
shortcutItemsContainer.addView(shortcutKeyIconView);
|
} else if (shortcutRepresentation.mString != null) {
|
TextView shortcutKeyTextView = (TextView) inflater.inflate(
|
R.layout.keyboard_shortcuts_key_view, shortcutItemsContainer,
|
false);
|
shortcutKeyTextView.setMinimumWidth(shortcutKeyTextItemMinWidth);
|
shortcutKeyTextView.setText(shortcutRepresentation.mString);
|
shortcutKeyTextView.setAccessibilityDelegate(
|
new ShortcutKeyAccessibilityDelegate(
|
shortcutRepresentation.mString));
|
shortcutItemsContainer.addView(shortcutKeyTextView);
|
}
|
}
|
shortcutContainer.addView(shortcutView);
|
}
|
keyboardShortcutsLayout.addView(shortcutContainer);
|
if (i < keyboardShortcutGroupsSize - 1) {
|
View separator = inflater.inflate(
|
R.layout.keyboard_shortcuts_category_separator, keyboardShortcutsLayout,
|
false);
|
keyboardShortcutsLayout.addView(separator);
|
}
|
}
|
}
|
|
private List<StringDrawableContainer> getHumanReadableShortcutKeys(KeyboardShortcutInfo info) {
|
List<StringDrawableContainer> shortcutKeys = getHumanReadableModifiers(info);
|
if (shortcutKeys == null) {
|
return null;
|
}
|
String shortcutKeyString = null;
|
Drawable shortcutKeyDrawable = null;
|
if (info.getBaseCharacter() > Character.MIN_VALUE) {
|
shortcutKeyString = String.valueOf(info.getBaseCharacter());
|
} else if (mSpecialCharacterDrawables.get(info.getKeycode()) != null) {
|
shortcutKeyDrawable = mSpecialCharacterDrawables.get(info.getKeycode());
|
shortcutKeyString = mSpecialCharacterNames.get(info.getKeycode());
|
} else if (mSpecialCharacterNames.get(info.getKeycode()) != null) {
|
shortcutKeyString = mSpecialCharacterNames.get(info.getKeycode());
|
} else {
|
// Special case for shortcuts with no base key or keycode.
|
if (info.getKeycode() == KeyEvent.KEYCODE_UNKNOWN) {
|
return shortcutKeys;
|
}
|
char displayLabel = mKeyCharacterMap.getDisplayLabel(info.getKeycode());
|
if (displayLabel != 0) {
|
shortcutKeyString = String.valueOf(displayLabel);
|
} else {
|
displayLabel = mBackupKeyCharacterMap.getDisplayLabel(info.getKeycode());
|
if (displayLabel != 0) {
|
shortcutKeyString = String.valueOf(displayLabel);
|
} else {
|
return null;
|
}
|
}
|
}
|
|
if (shortcutKeyString != null) {
|
shortcutKeys.add(new StringDrawableContainer(shortcutKeyString, shortcutKeyDrawable));
|
} else {
|
Log.w(TAG, "Keyboard Shortcut does not have a text representation, skipping.");
|
}
|
|
return shortcutKeys;
|
}
|
|
private List<StringDrawableContainer> getHumanReadableModifiers(KeyboardShortcutInfo info) {
|
final List<StringDrawableContainer> shortcutKeys = new ArrayList<>();
|
int modifiers = info.getModifiers();
|
if (modifiers == 0) {
|
return shortcutKeys;
|
}
|
for(int i = 0; i < mModifierList.length; ++i) {
|
final int supportedModifier = mModifierList[i];
|
if ((modifiers & supportedModifier) != 0) {
|
shortcutKeys.add(new StringDrawableContainer(
|
mModifierNames.get(supportedModifier),
|
mModifierDrawables.get(supportedModifier)));
|
modifiers &= ~supportedModifier;
|
}
|
}
|
if (modifiers != 0) {
|
// Remaining unsupported modifiers, don't show anything.
|
return null;
|
}
|
return shortcutKeys;
|
}
|
|
private final class ShortcutKeyAccessibilityDelegate extends AccessibilityDelegate {
|
private String mContentDescription;
|
|
ShortcutKeyAccessibilityDelegate(String contentDescription) {
|
mContentDescription = contentDescription;
|
}
|
|
@Override
|
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
|
super.onInitializeAccessibilityNodeInfo(host, info);
|
if (mContentDescription != null) {
|
info.setContentDescription(mContentDescription.toLowerCase());
|
}
|
}
|
}
|
|
private static final class StringDrawableContainer {
|
@NonNull
|
public String mString;
|
@Nullable
|
public Drawable mDrawable;
|
|
StringDrawableContainer(String string, Drawable drawable) {
|
mString = string;
|
mDrawable = drawable;
|
}
|
}
|
}
|
