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
17package com.android.camera.one;
18
19import com.android.camera.async.Observable;
20import com.android.camera.async.Observables;
21import com.android.camera.device.CameraId;
22import com.android.camera.hardware.HardwareSpec;
23import com.android.camera.one.OneCamera.Facing;
24import com.android.camera.settings.Keys;
25import com.android.camera.settings.ResolutionSetting;
26import com.android.camera.settings.SettingObserver;
27import com.android.camera.settings.SettingsManager;
28import com.android.camera.util.Size;
29import com.google.common.base.Function;
30
31/**
32 * Contains related settings to configure a camera for a particular type of
33 * capture.
34 */
35public 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