diff options
Diffstat (limited to 'src/com/android/camera/CameraSettings.java')
| -rw-r--r-- | src/com/android/camera/CameraSettings.java | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/src/com/android/camera/CameraSettings.java b/src/com/android/camera/CameraSettings.java new file mode 100644 index 000000000..3558014cc --- /dev/null +++ b/src/com/android/camera/CameraSettings.java @@ -0,0 +1,570 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.camera; + +import android.annotation.TargetApi; +import android.app.Activity; +import android.content.Context; +import android.content.SharedPreferences; +import android.content.SharedPreferences.Editor; +import android.content.res.Resources; +import android.content.res.TypedArray; +import android.hardware.Camera.CameraInfo; +import android.hardware.Camera.Parameters; +import android.hardware.Camera.Size; +import android.media.CamcorderProfile; +import android.util.FloatMath; +import android.util.Log; + +import com.android.gallery3d.R; +import com.android.gallery3d.common.ApiHelper; + +import java.util.ArrayList; +import java.util.List; +import java.util.Locale; + +/** + * Provides utilities and keys for Camera settings. + */ +public class CameraSettings { + private static final int NOT_FOUND = -1; + + public static final String KEY_VERSION = "pref_version_key"; + public static final String KEY_LOCAL_VERSION = "pref_local_version_key"; + public static final String KEY_RECORD_LOCATION = "pref_camera_recordlocation_key"; + public static final String KEY_VIDEO_QUALITY = "pref_video_quality_key"; + public static final String KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL = "pref_video_time_lapse_frame_interval_key"; + public static final String KEY_PICTURE_SIZE = "pref_camera_picturesize_key"; + public static final String KEY_JPEG_QUALITY = "pref_camera_jpegquality_key"; + public static final String KEY_FOCUS_MODE = "pref_camera_focusmode_key"; + public static final String KEY_FLASH_MODE = "pref_camera_flashmode_key"; + public static final String KEY_VIDEOCAMERA_FLASH_MODE = "pref_camera_video_flashmode_key"; + public static final String KEY_WHITE_BALANCE = "pref_camera_whitebalance_key"; + public static final String KEY_SCENE_MODE = "pref_camera_scenemode_key"; + public static final String KEY_EXPOSURE = "pref_camera_exposure_key"; + public static final String KEY_TIMER = "pref_camera_timer_key"; + public static final String KEY_TIMER_SOUND_EFFECTS = "pref_camera_timer_sound_key"; + public static final String KEY_VIDEO_EFFECT = "pref_video_effect_key"; + public static final String KEY_CAMERA_ID = "pref_camera_id_key"; + public static final String KEY_CAMERA_HDR = "pref_camera_hdr_key"; + public static final String KEY_CAMERA_FIRST_USE_HINT_SHOWN = "pref_camera_first_use_hint_shown_key"; + public static final String KEY_VIDEO_FIRST_USE_HINT_SHOWN = "pref_video_first_use_hint_shown_key"; + public static final String KEY_PHOTOSPHERE_PICTURESIZE = "pref_photosphere_picturesize_key"; + + public static final String EXPOSURE_DEFAULT_VALUE = "0"; + + public static final int CURRENT_VERSION = 5; + public static final int CURRENT_LOCAL_VERSION = 2; + + private static final String TAG = "CameraSettings"; + + private final Context mContext; + private final Parameters mParameters; + private final CameraInfo[] mCameraInfo; + private final int mCameraId; + + public CameraSettings(Activity activity, Parameters parameters, + int cameraId, CameraInfo[] cameraInfo) { + mContext = activity; + mParameters = parameters; + mCameraId = cameraId; + mCameraInfo = cameraInfo; + } + + public PreferenceGroup getPreferenceGroup(int preferenceRes) { + PreferenceInflater inflater = new PreferenceInflater(mContext); + PreferenceGroup group = + (PreferenceGroup) inflater.inflate(preferenceRes); + if (mParameters != null) initPreference(group); + return group; + } + + public static String getSupportedHighestVideoQuality(int cameraId, + String defaultQuality) { + // When launching the camera app first time, we will set the video quality + // to the first one (i.e. highest quality) in the supported list + List<String> supported = getSupportedVideoQuality(cameraId); + if (supported == null) { + Log.e(TAG, "No supported video quality is found"); + return defaultQuality; + } + return supported.get(0); + } + + public static void initialCameraPictureSize( + Context context, Parameters parameters) { + // When launching the camera app first time, we will set the picture + // size to the first one in the list defined in "arrays.xml" and is also + // supported by the driver. + List<Size> supported = parameters.getSupportedPictureSizes(); + if (supported == null) return; + for (String candidate : context.getResources().getStringArray( + R.array.pref_camera_picturesize_entryvalues)) { + if (setCameraPictureSize(candidate, supported, parameters)) { + SharedPreferences.Editor editor = ComboPreferences + .get(context).edit(); + editor.putString(KEY_PICTURE_SIZE, candidate); + editor.apply(); + return; + } + } + Log.e(TAG, "No supported picture size found"); + } + + public static void removePreferenceFromScreen( + PreferenceGroup group, String key) { + removePreference(group, key); + } + + public static boolean setCameraPictureSize( + String candidate, List<Size> supported, Parameters parameters) { + int index = candidate.indexOf('x'); + if (index == NOT_FOUND) return false; + int width = Integer.parseInt(candidate.substring(0, index)); + int height = Integer.parseInt(candidate.substring(index + 1)); + for (Size size : supported) { + if (size.width == width && size.height == height) { + parameters.setPictureSize(width, height); + return true; + } + } + return false; + } + + public static int getMaxVideoDuration(Context context) { + int duration = 0; // in milliseconds, 0 means unlimited. + try { + duration = context.getResources().getInteger(R.integer.max_video_recording_length); + } catch (Resources.NotFoundException ex) { + } + return duration; + } + + private void initPreference(PreferenceGroup group) { + ListPreference videoQuality = group.findPreference(KEY_VIDEO_QUALITY); + ListPreference timeLapseInterval = group.findPreference(KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL); + ListPreference pictureSize = group.findPreference(KEY_PICTURE_SIZE); + ListPreference whiteBalance = group.findPreference(KEY_WHITE_BALANCE); + ListPreference sceneMode = group.findPreference(KEY_SCENE_MODE); + ListPreference flashMode = group.findPreference(KEY_FLASH_MODE); + ListPreference focusMode = group.findPreference(KEY_FOCUS_MODE); + IconListPreference exposure = + (IconListPreference) group.findPreference(KEY_EXPOSURE); + CountDownTimerPreference timer = + (CountDownTimerPreference) group.findPreference(KEY_TIMER); + ListPreference countDownSoundEffects = group.findPreference(KEY_TIMER_SOUND_EFFECTS); + IconListPreference cameraIdPref = + (IconListPreference) group.findPreference(KEY_CAMERA_ID); + ListPreference videoFlashMode = + group.findPreference(KEY_VIDEOCAMERA_FLASH_MODE); + ListPreference videoEffect = group.findPreference(KEY_VIDEO_EFFECT); + ListPreference cameraHdr = group.findPreference(KEY_CAMERA_HDR); + + // Since the screen could be loaded from different resources, we need + // to check if the preference is available here + if (videoQuality != null) { + filterUnsupportedOptions(group, videoQuality, getSupportedVideoQuality(mCameraId)); + } + + if (pictureSize != null) { + filterUnsupportedOptions(group, pictureSize, sizeListToStringList( + mParameters.getSupportedPictureSizes())); + filterSimilarPictureSize(group, pictureSize); + } + if (whiteBalance != null) { + filterUnsupportedOptions(group, + whiteBalance, mParameters.getSupportedWhiteBalance()); + } + if (sceneMode != null) { + filterUnsupportedOptions(group, + sceneMode, mParameters.getSupportedSceneModes()); + } + if (flashMode != null) { + filterUnsupportedOptions(group, + flashMode, mParameters.getSupportedFlashModes()); + } + if (focusMode != null) { + if (!Util.isFocusAreaSupported(mParameters)) { + filterUnsupportedOptions(group, + focusMode, mParameters.getSupportedFocusModes()); + } else { + // Remove the focus mode if we can use tap-to-focus. + removePreference(group, focusMode.getKey()); + } + } + if (videoFlashMode != null) { + filterUnsupportedOptions(group, + videoFlashMode, mParameters.getSupportedFlashModes()); + } + if (exposure != null) buildExposureCompensation(group, exposure); + if (cameraIdPref != null) buildCameraId(group, cameraIdPref); + + if (timeLapseInterval != null) { + if (ApiHelper.HAS_TIME_LAPSE_RECORDING) { + resetIfInvalid(timeLapseInterval); + } else { + removePreference(group, timeLapseInterval.getKey()); + } + } + if (videoEffect != null) { + if (ApiHelper.HAS_EFFECTS_RECORDING) { + initVideoEffect(group, videoEffect); + resetIfInvalid(videoEffect); + } else { + filterUnsupportedOptions(group, videoEffect, null); + } + } + if (cameraHdr != null && (!ApiHelper.HAS_CAMERA_HDR + || !Util.isCameraHdrSupported(mParameters))) { + removePreference(group, cameraHdr.getKey()); + } + } + + private void buildExposureCompensation( + PreferenceGroup group, IconListPreference exposure) { + int max = mParameters.getMaxExposureCompensation(); + int min = mParameters.getMinExposureCompensation(); + if (max == 0 && min == 0) { + removePreference(group, exposure.getKey()); + return; + } + float step = mParameters.getExposureCompensationStep(); + + // show only integer values for exposure compensation + int maxValue = Math.min(3, (int) FloatMath.floor(max * step)); + int minValue = Math.max(-3, (int) FloatMath.ceil(min * step)); + String explabel = mContext.getResources().getString(R.string.pref_exposure_label); + CharSequence entries[] = new CharSequence[maxValue - minValue + 1]; + CharSequence entryValues[] = new CharSequence[maxValue - minValue + 1]; + CharSequence labels[] = new CharSequence[maxValue - minValue + 1]; + int[] icons = new int[maxValue - minValue + 1]; + TypedArray iconIds = mContext.getResources().obtainTypedArray( + R.array.pref_camera_exposure_icons); + for (int i = minValue; i <= maxValue; ++i) { + entryValues[i - minValue] = Integer.toString(Math.round(i / step)); + StringBuilder builder = new StringBuilder(); + if (i > 0) builder.append('+'); + entries[i - minValue] = builder.append(i).toString(); + labels[i - minValue] = explabel + " " + builder.toString(); + icons[i - minValue] = iconIds.getResourceId(3 + i, 0); + } + exposure.setUseSingleIcon(true); + exposure.setEntries(entries); + exposure.setLabels(labels); + exposure.setEntryValues(entryValues); + exposure.setLargeIconIds(icons); + } + + private void buildCameraId( + PreferenceGroup group, IconListPreference preference) { + int numOfCameras = mCameraInfo.length; + if (numOfCameras < 2) { + removePreference(group, preference.getKey()); + return; + } + + CharSequence[] entryValues = new CharSequence[numOfCameras]; + for (int i = 0; i < numOfCameras; ++i) { + entryValues[i] = "" + i; + } + preference.setEntryValues(entryValues); + } + + private static boolean removePreference(PreferenceGroup group, String key) { + for (int i = 0, n = group.size(); i < n; i++) { + CameraPreference child = group.get(i); + if (child instanceof PreferenceGroup) { + if (removePreference((PreferenceGroup) child, key)) { + return true; + } + } + if (child instanceof ListPreference && + ((ListPreference) child).getKey().equals(key)) { + group.removePreference(i); + return true; + } + } + return false; + } + + private void filterUnsupportedOptions(PreferenceGroup group, + ListPreference pref, List<String> supported) { + + // Remove the preference if the parameter is not supported or there is + // only one options for the settings. + if (supported == null || supported.size() <= 1) { + removePreference(group, pref.getKey()); + return; + } + + pref.filterUnsupported(supported); + if (pref.getEntries().length <= 1) { + removePreference(group, pref.getKey()); + return; + } + + resetIfInvalid(pref); + } + + private void filterSimilarPictureSize(PreferenceGroup group, + ListPreference pref) { + pref.filterDuplicated(); + if (pref.getEntries().length <= 1) { + removePreference(group, pref.getKey()); + return; + } + resetIfInvalid(pref); + } + + private void resetIfInvalid(ListPreference pref) { + // Set the value to the first entry if it is invalid. + String value = pref.getValue(); + if (pref.findIndexOfValue(value) == NOT_FOUND) { + pref.setValueIndex(0); + } + } + + private static List<String> sizeListToStringList(List<Size> sizes) { + ArrayList<String> list = new ArrayList<String>(); + for (Size size : sizes) { + list.add(String.format(Locale.ENGLISH, "%dx%d", size.width, size.height)); + } + return list; + } + + public static void upgradeLocalPreferences(SharedPreferences pref) { + int version; + try { + version = pref.getInt(KEY_LOCAL_VERSION, 0); + } catch (Exception ex) { + version = 0; + } + if (version == CURRENT_LOCAL_VERSION) return; + + SharedPreferences.Editor editor = pref.edit(); + if (version == 1) { + // We use numbers to represent the quality now. The quality definition is identical to + // that of CamcorderProfile.java. + editor.remove("pref_video_quality_key"); + } + editor.putInt(KEY_LOCAL_VERSION, CURRENT_LOCAL_VERSION); + editor.apply(); + } + + public static void upgradeGlobalPreferences(SharedPreferences pref) { + upgradeOldVersion(pref); + upgradeCameraId(pref); + } + + private static void upgradeOldVersion(SharedPreferences pref) { + int version; + try { + version = pref.getInt(KEY_VERSION, 0); + } catch (Exception ex) { + version = 0; + } + if (version == CURRENT_VERSION) return; + + SharedPreferences.Editor editor = pref.edit(); + if (version == 0) { + // We won't use the preference which change in version 1. + // So, just upgrade to version 1 directly + version = 1; + } + if (version == 1) { + // Change jpeg quality {65,75,85} to {normal,fine,superfine} + String quality = pref.getString(KEY_JPEG_QUALITY, "85"); + if (quality.equals("65")) { + quality = "normal"; + } else if (quality.equals("75")) { + quality = "fine"; + } else { + quality = "superfine"; + } + editor.putString(KEY_JPEG_QUALITY, quality); + version = 2; + } + if (version == 2) { + editor.putString(KEY_RECORD_LOCATION, + pref.getBoolean(KEY_RECORD_LOCATION, false) + ? RecordLocationPreference.VALUE_ON + : RecordLocationPreference.VALUE_NONE); + version = 3; + } + if (version == 3) { + // Just use video quality to replace it and + // ignore the current settings. + editor.remove("pref_camera_videoquality_key"); + editor.remove("pref_camera_video_duration_key"); + } + + editor.putInt(KEY_VERSION, CURRENT_VERSION); + editor.apply(); + } + + private static void upgradeCameraId(SharedPreferences pref) { + // The id stored in the preference may be out of range if we are running + // inside the emulator and a webcam is removed. + // Note: This method accesses the global preferences directly, not the + // combo preferences. + int cameraId = readPreferredCameraId(pref); + if (cameraId == 0) return; // fast path + + int n = CameraHolder.instance().getNumberOfCameras(); + if (cameraId < 0 || cameraId >= n) { + writePreferredCameraId(pref, 0); + } + } + + public static int readPreferredCameraId(SharedPreferences pref) { + return Integer.parseInt(pref.getString(KEY_CAMERA_ID, "0")); + } + + public static void writePreferredCameraId(SharedPreferences pref, + int cameraId) { + Editor editor = pref.edit(); + editor.putString(KEY_CAMERA_ID, Integer.toString(cameraId)); + editor.apply(); + } + + public static int readExposure(ComboPreferences preferences) { + String exposure = preferences.getString( + CameraSettings.KEY_EXPOSURE, + EXPOSURE_DEFAULT_VALUE); + try { + return Integer.parseInt(exposure); + } catch (Exception ex) { + Log.e(TAG, "Invalid exposure: " + exposure); + } + return 0; + } + + public static int readEffectType(SharedPreferences pref) { + String effectSelection = pref.getString(KEY_VIDEO_EFFECT, "none"); + if (effectSelection.equals("none")) { + return EffectsRecorder.EFFECT_NONE; + } else if (effectSelection.startsWith("goofy_face")) { + return EffectsRecorder.EFFECT_GOOFY_FACE; + } else if (effectSelection.startsWith("backdropper")) { + return EffectsRecorder.EFFECT_BACKDROPPER; + } + Log.e(TAG, "Invalid effect selection: " + effectSelection); + return EffectsRecorder.EFFECT_NONE; + } + + public static Object readEffectParameter(SharedPreferences pref) { + String effectSelection = pref.getString(KEY_VIDEO_EFFECT, "none"); + if (effectSelection.equals("none")) { + return null; + } + int separatorIndex = effectSelection.indexOf('/'); + String effectParameter = + effectSelection.substring(separatorIndex + 1); + if (effectSelection.startsWith("goofy_face")) { + if (effectParameter.equals("squeeze")) { + return EffectsRecorder.EFFECT_GF_SQUEEZE; + } else if (effectParameter.equals("big_eyes")) { + return EffectsRecorder.EFFECT_GF_BIG_EYES; + } else if (effectParameter.equals("big_mouth")) { + return EffectsRecorder.EFFECT_GF_BIG_MOUTH; + } else if (effectParameter.equals("small_mouth")) { + return EffectsRecorder.EFFECT_GF_SMALL_MOUTH; + } else if (effectParameter.equals("big_nose")) { + return EffectsRecorder.EFFECT_GF_BIG_NOSE; + } else if (effectParameter.equals("small_eyes")) { + return EffectsRecorder.EFFECT_GF_SMALL_EYES; + } + } else if (effectSelection.startsWith("backdropper")) { + // Parameter is a string that either encodes the URI to use, + // or specifies 'gallery'. + return effectParameter; + } + + Log.e(TAG, "Invalid effect selection: " + effectSelection); + return null; + } + + public static void restorePreferences(Context context, + ComboPreferences preferences, Parameters parameters) { + int currentCameraId = readPreferredCameraId(preferences); + + // Clear the preferences of both cameras. + int backCameraId = CameraHolder.instance().getBackCameraId(); + if (backCameraId != -1) { + preferences.setLocalId(context, backCameraId); + Editor editor = preferences.edit(); + editor.clear(); + editor.apply(); + } + int frontCameraId = CameraHolder.instance().getFrontCameraId(); + if (frontCameraId != -1) { + preferences.setLocalId(context, frontCameraId); + Editor editor = preferences.edit(); + editor.clear(); + editor.apply(); + } + + // Switch back to the preferences of the current camera. Otherwise, + // we may write the preference to wrong camera later. + preferences.setLocalId(context, currentCameraId); + + upgradeGlobalPreferences(preferences.getGlobal()); + upgradeLocalPreferences(preferences.getLocal()); + + // Write back the current camera id because parameters are related to + // the camera. Otherwise, we may switch to the front camera but the + // initial picture size is that of the back camera. + initialCameraPictureSize(context, parameters); + writePreferredCameraId(preferences, currentCameraId); + } + + private static ArrayList<String> getSupportedVideoQuality(int cameraId) { + ArrayList<String> supported = new ArrayList<String>(); + // Check for supported quality + if (CamcorderProfile.hasProfile(cameraId, CamcorderProfile.QUALITY_1080P)) { + supported.add(Integer.toString(CamcorderProfile.QUALITY_1080P)); + } + if (CamcorderProfile.hasProfile(cameraId, CamcorderProfile.QUALITY_720P)) { + supported.add(Integer.toString(CamcorderProfile.QUALITY_720P)); + } + if (CamcorderProfile.hasProfile(cameraId, CamcorderProfile.QUALITY_480P)) { + supported.add(Integer.toString(CamcorderProfile.QUALITY_480P)); + } + return supported; + } + + private void initVideoEffect(PreferenceGroup group, ListPreference videoEffect) { + CharSequence[] values = videoEffect.getEntryValues(); + + boolean goofyFaceSupported = + EffectsRecorder.isEffectSupported(EffectsRecorder.EFFECT_GOOFY_FACE); + boolean backdropperSupported = + EffectsRecorder.isEffectSupported(EffectsRecorder.EFFECT_BACKDROPPER) && + Util.isAutoExposureLockSupported(mParameters) && + Util.isAutoWhiteBalanceLockSupported(mParameters); + + ArrayList<String> supported = new ArrayList<String>(); + for (CharSequence value : values) { + String effectSelection = value.toString(); + if (!goofyFaceSupported && effectSelection.startsWith("goofy_face")) continue; + if (!backdropperSupported && effectSelection.startsWith("backdropper")) continue; + supported.add(effectSelection); + } + + filterUnsupportedOptions(group, videoEffect, supported); + } +} |