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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 = new FlashSetting(
     49                 SettingObserver.ofString(settingsManager, cameraSettingScope, Keys.KEY_FLASH_MODE));
     50         Observable<Integer> exposureSetting = SettingObserver.ofInteger(
     51                 settingsManager, cameraSettingScope, Keys.KEY_EXPOSURE);
     52         Observable<Boolean> hdrSceneSetting;
     53         if (hardwareSpec.isHdrSupported()) {
     54             hdrSceneSetting = SettingObserver.ofBoolean(settingsManager,
     55                     SettingsManager.SCOPE_GLOBAL, Keys.KEY_CAMERA_HDR);
     56         } else {
     57             hdrSceneSetting = Observables.of(false);
     58         }
     59         return new OneCameraCaptureSetting(
     60                 pictureSize,
     61                 flashSetting,
     62                 exposureSetting,
     63                 hdrSceneSetting,
     64                 isHdrPlusEnabled);
     65     }
     66 
     67     private OneCameraCaptureSetting(
     68             Size captureSize,
     69             Observable<OneCamera.PhotoCaptureParameters.Flash> flashSetting,
     70             Observable<Integer> exposureSetting,
     71             Observable<Boolean> hdrSceneSetting,
     72             boolean isHdrPlusEnabled) {
     73         mCaptureSize = captureSize;
     74         mFlashSetting = flashSetting;
     75         mExposureSetting = exposureSetting;
     76         mHdrSceneSetting = hdrSceneSetting;
     77         mIsHdrPlusEnabled = isHdrPlusEnabled;
     78     }
     79 
     80     public Size getCaptureSize() {
     81         return mCaptureSize;
     82     }
     83 
     84     public Observable<OneCamera.PhotoCaptureParameters.Flash> getFlashSetting() {
     85         return mFlashSetting;
     86     }
     87 
     88     public Observable<Integer> getExposureSetting() {
     89         return mExposureSetting;
     90     }
     91 
     92     public Observable<Boolean> getHdrSceneSetting() {
     93         return mHdrSceneSetting;
     94     }
     95 
     96     public boolean isHdrPlusEnabled() {
     97         return mIsHdrPlusEnabled;
     98     }
     99 }
    100