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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.settings;
18 
19 import android.content.Context;
20 
21 import com.android.camera.app.LocationManager;
22 import com.android.camera.util.ApiHelper;
23 import com.android.camera2.R;
24 
25 /**
26  * Keys is a class for storing SharedPreferences keys and configuring
27  * their defaults.
28  *
29  * For each key that has a default value and set of possible values, it
30  * stores those defaults so they can be used by the SettingsManager
31  * on lookup.  This step is optional, and it can be done anytime before
32  * a setting is accessed by the SettingsManager API.
33  */
34 public class Keys {
35 
36     public static final String KEY_RECORD_LOCATION = "pref_camera_recordlocation_key";
37     public static final String KEY_VIDEO_QUALITY_BACK = "pref_video_quality_back_key";
38     public static final String KEY_VIDEO_QUALITY_FRONT = "pref_video_quality_front_key";
39     public static final String KEY_PICTURE_SIZE_BACK = "pref_camera_picturesize_back_key";
40     public static final String KEY_PICTURE_SIZE_FRONT = "pref_camera_picturesize_front_key";
41     public static final String KEY_JPEG_QUALITY = "pref_camera_jpegquality_key";
42     public static final String KEY_FOCUS_MODE = "pref_camera_focusmode_key";
43     public static final String KEY_FLASH_MODE = "pref_camera_flashmode_key";
44     public static final String KEY_VIDEOCAMERA_FLASH_MODE = "pref_camera_video_flashmode_key";
45     public static final String KEY_SCENE_MODE = "pref_camera_scenemode_key";
46     public static final String KEY_EXPOSURE = "pref_camera_exposure_key";
47     public static final String KEY_VIDEO_EFFECT = "pref_video_effect_key";
48     public static final String KEY_CAMERA_ID = "pref_camera_id_key";
49 
50     public static final String KEY_CAMERA_HDR = "pref_camera_hdr_key";
51     public static final String KEY_CAMERA_HDR_PLUS = "pref_camera_hdr_plus_key";
52     public static final String KEY_CAMERA_FIRST_USE_HINT_SHOWN =
53             "pref_camera_first_use_hint_shown_key";
54     public static final String KEY_VIDEO_FIRST_USE_HINT_SHOWN =
55             "pref_video_first_use_hint_shown_key";
56     public static final String KEY_STARTUP_MODULE_INDEX = "camera.startup_module";
57     public static final String KEY_CAMERA_MODULE_LAST_USED =
58             "pref_camera_module_last_used_index";
59     public static final String KEY_CAMERA_PANO_ORIENTATION = "pref_camera_pano_orientation";
60     public static final String KEY_CAMERA_GRID_LINES = "pref_camera_grid_lines";
61     public static final String KEY_RELEASE_DIALOG_LAST_SHOWN_VERSION =
62             "pref_release_dialog_last_shown_version";
63     public static final String KEY_FLASH_SUPPORTED_BACK_CAMERA =
64             "pref_flash_supported_back_camera";
65     public static final String KEY_HDR_SUPPORT_MODE_BACK_CAMERA =
66             "pref_hdr_support_mode_back_camera";
67     public static final String KEY_UPGRADE_VERSION = "pref_upgrade_version";
68     public static final String KEY_REQUEST_RETURN_HDR_PLUS = "pref_request_return_hdr_plus";
69     public static final String KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING =
70             "pref_should_show_refocus_viewer_cling";
71     public static final String KEY_EXPOSURE_COMPENSATION_ENABLED =
72             "pref_camera_exposure_compensation_key";
73 
74     /**
75      * Whether the user has chosen an aspect ratio on the first run dialog.
76      */
77     public static final String KEY_USER_SELECTED_ASPECT_RATIO = "pref_user_selected_aspect_ratio";
78 
79     public static final String KEY_COUNTDOWN_DURATION = "pref_camera_countdown_duration_key";
80     public static final String KEY_HDR_PLUS_FLASH_MODE = "pref_hdr_plus_flash_mode";
81     public static final String KEY_SHOULD_SHOW_SETTINGS_BUTTON_CLING =
82             "pref_should_show_settings_button_cling";
83     public static final String KEY_HAS_SEEN_PERMISSIONS_DIALOGS = "pref_has_seen_permissions_dialogs";
84 
85     /**
86      * Set some number of defaults for the defined keys.
87      * It's not necessary to set all defaults.
88      */
setDefaults(SettingsManager settingsManager, Context context)89     public static void setDefaults(SettingsManager settingsManager, Context context) {
90         settingsManager.setDefaults(KEY_COUNTDOWN_DURATION, 0,
91             context.getResources().getIntArray(R.array.pref_countdown_duration));
92 
93         settingsManager.setDefaults(KEY_CAMERA_ID,
94             context.getString(R.string.pref_camera_id_default),
95             context.getResources().getStringArray(R.array.camera_id_entryvalues));
96 
97         settingsManager.setDefaults(KEY_SCENE_MODE,
98             context.getString(R.string.pref_camera_scenemode_default),
99             context.getResources().getStringArray(R.array.pref_camera_scenemode_entryvalues));
100 
101         settingsManager.setDefaults(KEY_FLASH_MODE,
102             context.getString(R.string.pref_camera_flashmode_default),
103             context.getResources().getStringArray(R.array.pref_camera_flashmode_entryvalues));
104 
105         settingsManager.setDefaults(KEY_HDR_SUPPORT_MODE_BACK_CAMERA,
106             context.getString(R.string.pref_camera_hdr_supportmode_none),
107             context.getResources().getStringArray(R.array.pref_camera_hdr_supportmode_entryvalues));
108 
109         settingsManager.setDefaults(KEY_CAMERA_HDR, false);
110         settingsManager.setDefaults(KEY_CAMERA_HDR_PLUS, false);
111 
112         settingsManager.setDefaults(KEY_CAMERA_FIRST_USE_HINT_SHOWN, true);
113 
114         settingsManager.setDefaults(KEY_FOCUS_MODE,
115             context.getString(R.string.pref_camera_focusmode_default),
116             context.getResources().getStringArray(R.array.pref_camera_focusmode_entryvalues));
117 
118         String videoQualityBackDefaultValue = context.getString(R.string.pref_video_quality_large);
119         // TODO: We tweaked the default setting based on model string which is not ideal. Detecting
120         // CamcorderProfile capability is a better way to get this job done. However,
121         // |CamcorderProfile.hasProfile| needs camera id info. We need a way to provide camera id to
122         // this method. b/17445274
123         // Don't set the default resolution to be large if the device supports 4k video.
124         if (ApiHelper.IS_NEXUS_6) {
125             videoQualityBackDefaultValue = context.getString(R.string.pref_video_quality_medium);
126         }
127         settingsManager.setDefaults(
128             KEY_VIDEO_QUALITY_BACK,
129             videoQualityBackDefaultValue,
130             context.getResources().getStringArray(R.array.pref_video_quality_entryvalues));
131         if (!settingsManager.isSet(SettingsManager.SCOPE_GLOBAL, Keys.KEY_VIDEO_QUALITY_BACK)) {
132             settingsManager.setToDefault(SettingsManager.SCOPE_GLOBAL,
133                                          Keys.KEY_VIDEO_QUALITY_BACK);
134         }
135 
136         settingsManager.setDefaults(KEY_VIDEO_QUALITY_FRONT,
137             context.getString(R.string.pref_video_quality_large),
138             context.getResources().getStringArray(R.array.pref_video_quality_entryvalues));
139         if (!settingsManager.isSet(SettingsManager.SCOPE_GLOBAL, Keys.KEY_VIDEO_QUALITY_FRONT)) {
140             settingsManager.setToDefault(SettingsManager.SCOPE_GLOBAL,
141                                          Keys.KEY_VIDEO_QUALITY_FRONT);
142         }
143 
144         settingsManager.setDefaults(KEY_JPEG_QUALITY,
145             context.getString(R.string.pref_camera_jpeg_quality_normal),
146             context.getResources().getStringArray(
147                 R.array.pref_camera_jpeg_quality_entryvalues));
148 
149         settingsManager.setDefaults(KEY_VIDEOCAMERA_FLASH_MODE,
150             context.getString(R.string.pref_camera_video_flashmode_default),
151             context.getResources().getStringArray(
152                 R.array.pref_camera_video_flashmode_entryvalues));
153 
154         settingsManager.setDefaults(KEY_VIDEO_EFFECT,
155             context.getString(R.string.pref_video_effect_default),
156             context.getResources().getStringArray(R.array.pref_video_effect_entryvalues));
157 
158         settingsManager.setDefaults(KEY_VIDEO_FIRST_USE_HINT_SHOWN, true);
159 
160         settingsManager.setDefaults(KEY_STARTUP_MODULE_INDEX, 0,
161             context.getResources().getIntArray(R.array.camera_modes));
162 
163         settingsManager.setDefaults(KEY_CAMERA_MODULE_LAST_USED,
164             context.getResources().getInteger(R.integer.camera_mode_photo),
165             context.getResources().getIntArray(R.array.camera_modes));
166 
167         settingsManager.setDefaults(KEY_CAMERA_PANO_ORIENTATION,
168             context.getString(R.string.pano_orientation_horizontal),
169             context.getResources().getStringArray(
170                 R.array.pref_camera_pano_orientation_entryvalues));
171 
172         settingsManager.setDefaults(KEY_CAMERA_GRID_LINES, false);
173 
174         settingsManager.setDefaults(KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING, true);
175 
176         settingsManager.setDefaults(KEY_HDR_PLUS_FLASH_MODE,
177             context.getString(R.string.pref_camera_hdr_plus_flashmode_default),
178             context.getResources().getStringArray(
179                 R.array.pref_camera_hdr_plus_flashmode_entryvalues));
180 
181         settingsManager.setDefaults(KEY_SHOULD_SHOW_SETTINGS_BUTTON_CLING, true);
182 
183     }
184 
185     /** Helper functions for some defined keys. */
186 
187     /**
188      * Returns whether the camera has been set to back facing in settings.
189      */
isCameraBackFacing(SettingsManager settingsManager, String moduleScope)190     public static boolean isCameraBackFacing(SettingsManager settingsManager,
191                                              String moduleScope) {
192         return settingsManager.isDefault(moduleScope, KEY_CAMERA_ID);
193     }
194 
195     /**
196      * Returns whether hdr plus mode is set on.
197      */
isHdrPlusOn(SettingsManager settingsManager)198     public static boolean isHdrPlusOn(SettingsManager settingsManager) {
199         return settingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
200                                           KEY_CAMERA_HDR_PLUS);
201     }
202 
203     /**
204      * Returns whether hdr mode is set on.
205      */
isHdrOn(SettingsManager settingsManager)206     public static boolean isHdrOn(SettingsManager settingsManager) {
207         return settingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
208                                           KEY_CAMERA_HDR);
209     }
210 
211     /**
212      * Returns whether the app should return to hdr plus mode if possible.
213      */
requestsReturnToHdrPlus(SettingsManager settingsManager, String moduleScope)214     public static boolean requestsReturnToHdrPlus(SettingsManager settingsManager,
215                                                   String moduleScope) {
216         return settingsManager.getBoolean(moduleScope, KEY_REQUEST_RETURN_HDR_PLUS);
217     }
218 
219     /**
220      * Returns whether grid lines are set on.
221      */
areGridLinesOn(SettingsManager settingsManager)222     public static boolean areGridLinesOn(SettingsManager settingsManager) {
223         return settingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
224                                           KEY_CAMERA_GRID_LINES);
225     }
226 }
227 
228