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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.camera.debug;
     18 
     19 import com.android.camera.util.SystemProperties;
     20 
     21 public class DebugPropertyHelper {
     22     private static final String OFF_VALUE = "0";
     23     private static final String ON_VALUE = "1";
     24 
     25     private static final String PREFIX = "persist.camera";
     26 
     27     /** Enable frame-by-frame focus logging. */
     28     private static final String PROP_FRAME_LOG = PREFIX + ".frame_log";
     29     /**
     30      * Enable additional capture debug UI.
     31      * For API1/Photomodule: show faces.
     32      * For API2/Capturemodule: show faces, AF state, AE/AF precise regions.
     33      */
     34     private static final String PROP_CAPTURE_DEBUG_UI = PREFIX + ".debug_ui";
     35     /** Switch between OneCameraImpl and OneCameraZslImpl. */
     36     private static final String PROP_FORCE_LEGACY_ONE_CAMERA = PREFIX + ".legacy";
     37     /** Write data about each capture request to disk. */
     38     private static final String PROP_WRITE_CAPTURE_DATA = PREFIX + ".capture_write";
     39     /** Is RAW support enabled. */
     40     private static final String PROP_CAPTURE_DNG = PREFIX + ".capture_dng";
     41 
     42     private static boolean isPropertyOn(String property) {
     43         return ON_VALUE.equals(SystemProperties.get(property, OFF_VALUE));
     44     }
     45 
     46     public static boolean showFrameDebugLog() {
     47         return isPropertyOn(PROP_FRAME_LOG);
     48     }
     49 
     50     public static boolean showCaptureDebugUI() {
     51         return isPropertyOn(PROP_CAPTURE_DEBUG_UI);
     52     }
     53 
     54     public static boolean writeCaptureData() {
     55         return isPropertyOn(PROP_WRITE_CAPTURE_DATA);
     56     }
     57 
     58     public static boolean isCaptureDngEnabled() {
     59         return isPropertyOn(PROP_CAPTURE_DNG);
     60     }
     61 }
     62