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      1 /*
      2  * Copyright (C) 2015 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.one;
     18 
     19 import com.android.camera.async.Observable;
     20 import com.android.camera.async.Observables;
     21 import com.android.camera.device.CameraId;
     22 import com.android.camera.hardware.HardwareSpec;
     23 import com.android.camera.one.OneCamera.Facing;
     24 import com.android.camera.settings.Keys;
     25 import com.android.camera.settings.ResolutionSetting;
     26 import com.android.camera.settings.SettingObserver;
     27 import com.android.camera.settings.SettingsManager;
     28 import com.android.camera.util.Size;
     29 import com.google.common.base.Function;
     30 
     31 /**
     32  * Contains related settings to configure a camera for a particular type of
     33  * capture.
     34  */
     35 public class OneCameraCaptureSetting {
     36     private final Size mCaptureSize;
     37     private final Observable<OneCamera.PhotoCaptureParameters.Flash> mFlashSetting;
     38     private final Observable<Integer> mExposureSetting;
     39     private final Observable<Boolean> mHdrSceneSetting;
     40     private final boolean mIsHdrPlusEnabled;
     41 
     42     public static OneCameraCaptureSetting create(
     43             Size pictureSize,
     44             SettingsManager settingsManager,
     45             final HardwareSpec hardwareSpec,
     46             String cameraSettingScope,
     47             boolean isHdrPlusEnabled) {
     48         Observable<OneCamera.PhotoCaptureParameters.Flash> flashSetting;
     49         if (hardwareSpec.isFlashSupported()) {
     50             flashSetting = new FlashSetting(SettingObserver.ofString(
     51                         settingsManager, cameraSettingScope, Keys.KEY_FLASH_MODE));
     52         } else {
     53             flashSetting = new FlashSetting(Observables.of("off"));
     54         }
     55         Observable<Integer> exposureSetting = SettingObserver.ofInteger(
     56                 settingsManager, cameraSettingScope, Keys.KEY_EXPOSURE);
     57         Observable<Boolean> hdrSceneSetting;
     58         if (hardwareSpec.isHdrSupported()) {
     59             hdrSceneSetting = SettingObserver.ofBoolean(settingsManager,
     60                     SettingsManager.SCOPE_GLOBAL, Keys.KEY_CAMERA_HDR);
     61         } else {
     62             hdrSceneSetting = Observables.of(false);
     63         }
     64         return new OneCameraCaptureSetting(
     65                 pictureSize,
     66                 flashSetting,
     67                 exposureSetting,
     68                 hdrSceneSetting,
     69                 isHdrPlusEnabled);
     70     }
     71 
     72     private OneCameraCaptureSetting(
     73             Size captureSize,
     74             Observable<OneCamera.PhotoCaptureParameters.Flash> flashSetting,
     75             Observable<Integer> exposureSetting,
     76             Observable<Boolean> hdrSceneSetting,
     77             boolean isHdrPlusEnabled) {
     78         mCaptureSize = captureSize;
     79         mFlashSetting = flashSetting;
     80         mExposureSetting = exposureSetting;
     81         mHdrSceneSetting = hdrSceneSetting;
     82         mIsHdrPlusEnabled = isHdrPlusEnabled;
     83     }
     84 
     85     public Size getCaptureSize() {
     86         return mCaptureSize;
     87     }
     88 
     89     public Observable<OneCamera.PhotoCaptureParameters.Flash> getFlashSetting() {
     90         return mFlashSetting;
     91     }
     92 
     93     public Observable<Integer> getExposureSetting() {
     94         return mExposureSetting;
     95     }
     96 
     97     public Observable<Boolean> getHdrSceneSetting() {
     98         return mHdrSceneSetting;
     99     }
    100 
    101     public boolean isHdrPlusEnabled() {
    102         return mIsHdrPlusEnabled;
    103     }
    104 }
    105