Merge "Add (back) receiver to disable camera." into gb-ub-photos-carlsbad

            </intent-filter>

        </activity>

        <service android:name="com.android.gallery3d.app.BatchService" />

        <receiver android:name="com.android.camera.DisableCameraReceiver">

            <intent-filter>

                <action android:name="android.intent.action.BOOT_COMPLETED" />

            </intent-filter>

        </receiver>

        <service android:name="com.android.camera.MediaSaveService" />

    </application>

</manifest>

/*

 * 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.camera;

import android.content.BroadcastReceiver;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.hardware.Camera.CameraInfo;

import android.util.Log;

// We want to disable camera-related activities if there is no camera. This

// receiver runs when BOOT_COMPLETED intent is received. After running once

// this receiver will be disabled, so it will not run again.

public class DisableCameraReceiver extends BroadcastReceiver {

    private static final String TAG = "G:DisableCameraReceiver";

    private static final boolean CHECK_BACK_CAMERA_ONLY = true;

    private static final String ACTIVITIES[] = {

        "com.android.camera.CameraLauncher",

    };

    @Override

    public void onReceive(Context context, Intent intent) {

        // Disable camera-related activities if there is no camera.

        boolean needCameraActivity = CHECK_BACK_CAMERA_ONLY

            ? hasBackCamera()

            : hasCamera();

        if (!needCameraActivity) {

            Log.i(TAG, "disable all camera activities");

            for (int i = 0; i < ACTIVITIES.length; i++) {

                disableComponent(context, ACTIVITIES[i]);

            }

        }

        // Disable this receiver so it won't run again.

        disableComponent(context, "com.android.camera.DisableCameraReceiver");

    }

    private boolean hasCamera() {

        int n = android.hardware.Camera.getNumberOfCameras();

        Log.i(TAG, "number of camera: " + n);

        return (n > 0);

    }

    private boolean hasBackCamera() {

        int n = android.hardware.Camera.getNumberOfCameras();

        CameraInfo info = new CameraInfo();

        for (int i = 0; i < n; i++) {

            android.hardware.Camera.getCameraInfo(i, info);

            if (info.facing == CameraInfo.CAMERA_FACING_BACK) {

                Log.i(TAG, "back camera found: " + i);

                return true;

            }

        }

        Log.i(TAG, "no back camera");

        return false;

    }

    private void disableComponent(Context context, String klass) {

        ComponentName name = new ComponentName(context, klass);

        PackageManager pm = context.getPackageManager();

        // We need the DONT_KILL_APP flag, otherwise we will be killed

        // immediately because we are in the same app.

        pm.setComponentEnabledSetting(name,

            PackageManager.COMPONENT_ENABLED_STATE_DISABLED,

            PackageManager.DONT_KILL_APP);

    }

}

        ComponentName name = new ComponentName(context, CAMERA_LAUNCHER_NAME);

        int state = pm.getComponentEnabledSetting(name);

        sCameraAvailableInitialized = true;

        sCameraAvailable =

            (state == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT)

             || (state == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);

        sCameraAvailable = (state == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);

        return sCameraAvailable;

    }