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/*);
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.systemui;

import android.app.Activity;
import android.content.Intent;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.provider.Settings;
import android.service.dreams.Dream;
import android.service.dreams.IDreamManager;
import android.util.Slog;

public class Somnambulator extends Activity {
    public static final String TAG = "Somnambulator";

    public static final int DEFAULT_SCREENSAVER_ENABLED = 1;
    public static final int DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK = 1;

    public Somnambulator() {
    }

    private boolean isScreenSaverEnabled() {
        return Settings.Secure.getIntForUser(getContentResolver(),
                Settings.Secure.SCREENSAVER_ENABLED, DEFAULT_SCREENSAVER_ENABLED,
                UserHandle.USER_CURRENT) != 0;
    }

    private boolean isScreenSaverActivatedOnDock() {
        return Settings.Secure.getIntForUser(getContentResolver(),
                Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK,
                DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK, UserHandle.USER_CURRENT) != 0;
    }

    @Override
    public void onStart() {
        super.onStart();
        final Intent launchIntent = getIntent();
        final String action = launchIntent.getAction();
        if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) {
            Intent shortcutIntent = new Intent(this, Somnambulator.class);
            shortcutIntent.setFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
                    | Intent.FLAG_ACTIVITY_NEW_TASK);
            Intent resultIntent = new Intent();
            resultIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
                    Intent.ShortcutIconResource.fromContext(this, R.mipmap.ic_dreams));
            resultIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
            resultIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, getString(R.string.start_dreams));
            setResult(RESULT_OK, resultIntent);
        } else {
            boolean docked = launchIntent.hasCategory(Intent.CATEGORY_DESK_DOCK);

            if (docked && !(isScreenSaverEnabled() && isScreenSaverActivatedOnDock())) {
                Slog.i(TAG, "Dreams currently disabled for docks.");
            } else {
                IDreamManager somnambulist = IDreamManager.Stub.asInterface(
                        ServiceManager.checkService(Dream.DREAM_SERVICE));
                if (somnambulist != null) {
                    try {
                        Slog.v(TAG, "Dreaming on " + (docked ? "dock insertion" : "user request"));
                        somnambulist.dream();
                    } catch (RemoteException e) {
                        // fine, stay asleep then
                    }
                }
            }
        }
        finish();
    }

}