diff options
Diffstat (limited to 'src/org/cyanogenmod/audiofx/audiofx/activity/EqualizerManager.java')
| -rw-r--r-- | src/org/cyanogenmod/audiofx/audiofx/activity/EqualizerManager.java | 634 |
1 files changed, 0 insertions, 634 deletions
diff --git a/src/org/cyanogenmod/audiofx/audiofx/activity/EqualizerManager.java b/src/org/cyanogenmod/audiofx/audiofx/activity/EqualizerManager.java deleted file mode 100644 index 03e9853..0000000 --- a/src/org/cyanogenmod/audiofx/audiofx/activity/EqualizerManager.java +++ /dev/null @@ -1,634 +0,0 @@ -package com.cyngn.audiofx.activity; - -import android.content.Context; -import android.os.Handler; -import android.os.Message; -import android.util.Log; -import android.widget.CompoundButton; - -import com.cyngn.audiofx.Constants; -import com.cyngn.audiofx.Preset; -import com.cyngn.audiofx.R; -import com.cyngn.audiofx.eq.EqUtils; -import com.cyngn.audiofx.service.AudioFxService; -import com.cyngn.audiofx.stats.UserSession; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.concurrent.atomic.AtomicBoolean; - -public class EqualizerManager { - - private static final String TAG = EqualizerManager.class.getSimpleName(); - private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); - - private final MasterConfigControl mConfig; - private final Context mContext; - - private float mMinFreq; - private float mMaxFreq; - - private float mMinDB; - private float mMaxDB; - private int mNumBands; - private CompoundButton.OnCheckedChangeListener mLockChangeListener; - - /* - * presets from the library custom preset. - */ - private int mPredefinedPresets; - private float[] mCenterFreqs; - private float[] mGlobalLevels; - - private AtomicBoolean mAnimatingToCustom = new AtomicBoolean(false); - - // whether we are in between presets, animating them and such - private boolean mChangingPreset = false; - - private int mCurrentPreset; - - private final ArrayList<Preset> mEqPresets = new ArrayList<Preset>(); - private int mEQCustomPresetPosition; - - private String mZeroedBandString; - - private static final int MSG_SAVE_PRESETS = 1; - private static final int MSG_SEND_EQ_OVERRIDE = 2; - - private Handler mHandler = new Handler(new Handler.Callback() { - @Override - public boolean handleMessage(Message msg) { - switch (msg.what) { - case MSG_SAVE_PRESETS: - Constants.saveCustomPresets(mContext, mEqPresets); - break; - case MSG_SEND_EQ_OVERRIDE: - mConfig.overrideEqLevels((short)msg.arg1, (short) msg.arg2); - break; - } - return true; - }}, true); - - public EqualizerManager(Context context, MasterConfigControl config) { - mContext = context; - mConfig = config; - - applyDefaults(); - } - - public void applyDefaults() { - mEqPresets.clear(); - // setup eq - int bands = Integer.parseInt(getGlobalPref("equalizer.number_of_bands", "5")); - final int[] centerFreqs = Constants.getCenterFreqs(mContext, bands); - final int[] bandLevelRange = Constants.getBandLevelRange(mContext); - - float[] centerFreqsKHz = new float[centerFreqs.length]; - for (int i = 0; i < centerFreqs.length; i++) { - centerFreqsKHz[i] = (float) centerFreqs[i] / 1000.0f; - } - - mMinDB = bandLevelRange[0] / 100; - mMaxDB = bandLevelRange[1] / 100; - - mNumBands = centerFreqsKHz.length; - mGlobalLevels = new float[mNumBands]; - for (int i = 0; i < mGlobalLevels.length; i++) { - mGlobalLevels[i] = 0; - } - - mZeroedBandString = EqUtils.getZeroedBandsString(getNumBands()); - - mCenterFreqs = Arrays.copyOf(centerFreqsKHz, mNumBands); - System.arraycopy(centerFreqsKHz, 0, mCenterFreqs, 0, mNumBands); - mMinFreq = mCenterFreqs[0] / 2; - mMaxFreq = (float) Math.pow(mCenterFreqs[mNumBands - 1], 2) / mCenterFreqs[mNumBands - 2] / 2; - - // setup equalizer presets - final int numPresets = Integer.parseInt(getGlobalPref("equalizer.number_of_presets", "0")); - - if (numPresets > 0) { - // add library-provided presets - String[] presetNames = getGlobalPref("equalizer.preset_names", "").split("\\|"); - mPredefinedPresets = presetNames.length + 1; // we consider first EQ to be part of predefined - for (int i = 0; i < numPresets; i++) { - mEqPresets.add(new Preset.StaticPreset(presetNames[i], getPersistedPresetLevels(i))); - } - } else { - mPredefinedPresets = 1; // custom is predefined - } - // add custom preset - mEqPresets.add(new Preset.PermCustomPreset(mContext.getString(R.string.user), - getPersistedCustomLevels())); - mEQCustomPresetPosition = mEqPresets.size() - 1; - - // restore custom prefs - mEqPresets.addAll(Constants.getCustomPresets(mContext, mNumBands)); - - // setup default preset for speaker - mCurrentPreset = Integer.parseInt(getPref(Constants.DEVICE_AUDIOFX_EQ_PRESET, "0")); - if (mCurrentPreset > mEqPresets.size() - 1) { - mCurrentPreset = 0; - } - setPreset(mCurrentPreset); - } - - public boolean isUserPreset() { - boolean result = mCurrentPreset >= mPredefinedPresets; - /*if (DEBUG) { - Log.i(TAG, "isUserPreset(), current preset: " + mCurrentPreset); - Log.i(TAG, "----> predefined presets: " + mPredefinedPresets); - Log.d(TAG, "----> RESULT: " + result); - }*/ - return result; - } - - public boolean isCustomPreset() { - return mCurrentPreset == mEQCustomPresetPosition; - } - - public CompoundButton.OnCheckedChangeListener getLockChangeListener() { - if (mLockChangeListener == null) { - mLockChangeListener = new CompoundButton.OnCheckedChangeListener() { - @Override - public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { - if (isUserPreset()) { - ((Preset.CustomPreset) mEqPresets.get(mCurrentPreset)).setLocked(isChecked); - } - } - }; - } - return mLockChangeListener; - } - - public boolean isChangingPresets() { - return mChangingPreset; - } - - public void setChangingPresets(boolean changing) { - if (mChangingPreset != changing) { - mChangingPreset = changing; - if (changing) { - mConfig.getCallbacks().notifyEqControlStateChanged(false, false, false, false); - } else { - updateEqControls(); - } - } - } - - public boolean isAnimatingToCustom() { - return mAnimatingToCustom.get(); - } - - public void setAnimatingToCustom(boolean animating) { - mAnimatingToCustom.set(animating); - if (!animating) { - // finished animation - updateEqControls(); - } - } - - private void savePresetsDelayed() { - mHandler.sendEmptyMessageDelayed(MSG_SAVE_PRESETS, 500); - } - - public int indexOf(Preset p) { - return mEqPresets.indexOf(p); - } - - void onPreDeviceChanged() { - // need to update the current preset based on the device here. - int newPreset = Integer.parseInt(getPref(Constants.DEVICE_AUDIOFX_EQ_PRESET, "0")); - if (newPreset > mEqPresets.size() - 1) { - newPreset = 0; - } - - // this should be ready to go for callbacks to query the new device preset below - mCurrentPreset = newPreset; - - } - - void onPostDeviceChanged() { - setPreset(mCurrentPreset, false); - } - - public Preset getCurrentPreset() { - return mEqPresets.get(mCurrentPreset); - } - - /** - * Copy current config levels from the current preset into custom values since the user has - * initiated some change. Then update the current preset to 'custom'. - */ - public int copyToCustom() { - updateGlobalLevels(mCurrentPreset); - if (DEBUG) { - Log.w(TAG, "using levels from preset: " + mCurrentPreset + ": " + Arrays.toString(mGlobalLevels)); - } - - String levels = EqUtils.floatLevelsToString( - EqUtils.convertDecibelsToMillibels( - mEqPresets.get(mCurrentPreset).getLevels())); - setGlobalPref("custom", levels); - - ((Preset.PermCustomPreset) mEqPresets.get(mEQCustomPresetPosition)).setLevels(mGlobalLevels); - if (DEBUG) - Log.i(TAG, "copyToCustom() wrote current preset levels to index: " + mEQCustomPresetPosition); - setPreset(mEQCustomPresetPosition); - savePresetsDelayed(); - return mEQCustomPresetPosition; - } - - public int addPresetFromCustom() { - updateGlobalLevels(mEQCustomPresetPosition); - if (DEBUG) { - Log.w(TAG, "using levels from preset: " + mCurrentPreset + ": " + Arrays.toString(mGlobalLevels)); - } - - int writtenToIndex = addPreset(mGlobalLevels); - if (DEBUG) - Log.i(TAG, "addPresetFromCustom() wrote current preset levels to index: " + writtenToIndex); - setPreset(writtenToIndex); - savePresetsDelayed(); - return writtenToIndex; - } - - /** - * Loops through all presets. And finds the first preset that can be written to. - * If one is not found, then one is inserted, and that new index is returned. - * @return the index that the levels were copied to - */ - private int addPreset(float[] levels) { - if (UserSession.getInstance() != null) { - UserSession.getInstance().presetCreated(); - } - - final int customPresets = Constants.getCustomPresets(mContext, mNumBands).size(); - // format the name so it's like "Custom <N>", start with "Custom 2" - final String name = String.format(mContext.getString(R.string.user_n), customPresets + 2); - - Preset.CustomPreset customPreset = new Preset.CustomPreset(name, levels, false); - mEqPresets.add(customPreset); - - mConfig.getCallbacks().notifyPresetsChanged(); - - return mEqPresets.size() - 1; - } - - /** - * Set a new level! - * <p/> - * This call will be propogated to all listeners registered with addEqStateChangeCallback(). - * - * @param band the band index the band index which changed - * @param dB the new decibel value - * @param systemChange is this change generated by the system? - */ - public void setLevel(final int band, final float dB, final boolean fromSystem) { - if (DEBUG) Log.i(TAG, "setLevel(" + band + ", " + dB + ", " + fromSystem + ")"); - - mGlobalLevels[band] = dB; - - if (fromSystem && !mConfig.isUserDeviceOverride()) { - // quickly convert decibel to millibel and send away to the service - mHandler.obtainMessage(MSG_SEND_EQ_OVERRIDE, band, (short) (dB * 100)).sendToTarget(); - } - - mConfig.getCallbacks().notifyBandLevelChangeChanged(band, dB, fromSystem); - - if (!fromSystem) { // user is touching - // persist - - final Preset preset = mEqPresets.get(mCurrentPreset); - if (preset instanceof Preset.CustomPreset) { - if (mAnimatingToCustom.get()) { - if (DEBUG) { - Log.d(TAG, "setLevel() not persisting new custom band becuase animating."); - } - } else { - ((Preset.CustomPreset) preset).setLevel(band, dB); - if (preset instanceof Preset.PermCustomPreset) { - // store these as millibels - String levels = EqUtils.floatLevelsToString( - EqUtils.convertDecibelsToMillibels( - preset.getLevels())); - setGlobalPref("custom", levels); - } - } - // needs to be updated immediately here for the service. - final String levels = EqUtils.floatLevelsToString(preset.getLevels()); - setPref(Constants.DEVICE_AUDIOFX_EQ_PRESET_LEVELS, levels); - - mConfig.updateService(AudioFxService.EQ_CHANGED); - } - savePresetsDelayed(); - } - } - - /** - * Set a new preset index. - * <p/> - * This call will be propogated to all listeners registered with addEqStateChangeCallback(). - * - * @param newPresetIndex the new preset index. - */ - public void setPreset(final int newPresetIndex, boolean updateBackend) { - mCurrentPreset = newPresetIndex; - updateEqControls(); // do this before callback is propogated - - mConfig.getCallbacks().notifyPresetChanged(newPresetIndex); - - // persist - setPref(Constants.DEVICE_AUDIOFX_EQ_PRESET, String.valueOf(newPresetIndex)); - - // update mGlobalLevels - float[] newlevels = getPresetLevels(newPresetIndex); - for (int i = 0; i < newlevels.length; i++) { - setLevel(i, newlevels[i], true); - } - - setPref(Constants.DEVICE_AUDIOFX_EQ_PRESET_LEVELS, EqUtils.floatLevelsToString(newlevels)); - - if (updateBackend) { - mConfig.updateService(AudioFxService.EQ_CHANGED); - } - } - - public void setPreset(final int newPresetIndex) { - setPreset(newPresetIndex, true); - } - - private void updateEqControls() { - final boolean userPreset = isUserPreset(); - mConfig.getCallbacks().notifyEqControlStateChanged(mEQCustomPresetPosition == mCurrentPreset, - userPreset, userPreset, userPreset); - } - - /** - * @return Get the current preset index - */ - public int getCurrentPresetIndex() { - return mCurrentPreset; - } - - /*=============== - * eq methods - *===============*/ - - public float projectX(double freq) { - double pos = Math.log(freq); - double minPos = Math.log(mMinFreq); - double maxPos = Math.log(mMaxFreq); - return (float) ((pos - minPos) / (maxPos - minPos)); - } - - public double reverseProjectX(float pos) { - double minPos = Math.log(mMinFreq); - double maxPos = Math.log(mMaxFreq); - return Math.exp(pos * (maxPos - minPos) + minPos); - } - - public float projectY(double dB) { - double pos = (dB - mMinDB) / (mMaxDB - mMinDB); - return (float) (1 - pos); - } - - public static double lin2dB(double rho) { - return rho != 0 ? Math.log(rho) / Math.log(10) * 20 : -99.9; - } - - public float getMinFreq() { - return mMinFreq; - } - - public float getMaxFreq() { - return mMaxFreq; - } - - public float getMinDB() { - return mMinDB; - } - - public float getMaxDB() { - return mMaxDB; - } - - public int getNumBands() { - return mNumBands; - } - - public float getCenterFreq(int band) { - return mCenterFreqs[band]; - } - - public float[] getCenterFreqs() { - return mCenterFreqs; - } - - public float[] getLevels() { - return mGlobalLevels; - } - - public float getLevel(int band) { - return mGlobalLevels[band]; - } - - /*=============== - * preset methods - *===============*/ - - public float[] getPersistedPresetLevels(int presetIndex) { - String newLevels = null; - - if (mEqPresets.size() > presetIndex - && mEqPresets.get(presetIndex) instanceof Preset.PermCustomPreset) { - return getPersistedCustomLevels(); - } else { - newLevels = getGlobalPref("equalizer.preset." + presetIndex, mZeroedBandString); - } - - // stored as millibels, convert to decibels - float[] levels = EqUtils.stringBandsToFloats(newLevels); - return EqUtils.convertMillibelsToDecibels(levels); - } - - private float[] getPersistedCustomLevels() { - String newLevels = getGlobalPref("custom", mZeroedBandString); - // stored as millibels, convert to decibels - float[] levels = EqUtils.stringBandsToFloats(newLevels); - return EqUtils.convertMillibelsToDecibels(levels); - } - - /** - * Get preset levels in decibels for a given index - * - * @param presetIndex index which to fetch preset levels for - * @return an array of floats[] with the given index's preset levels - */ - public float[] getPresetLevels(int presetIndex) { - return mEqPresets.get(presetIndex).getLevels(); - } - - /** - * Helper method which maps a preset index to a color value. - * - * @param index the preset index which to fetch a color for - * @return a color which is associated with this preset. - */ - public int getAssociatedPresetColorHex(int index) { - int r = -1; - index = index % mEqPresets.size(); - if (mEqPresets.get(index) instanceof Preset.CustomPreset) { - r = R.color.preset_custom; - } else { - switch (index) { - case 0: - r = R.color.preset_normal; - break; - case 1: - r = R.color.preset_classical; - break; - case 2: - r = R.color.preset_dance; - break; - case 3: - r = R.color.preset_flat; - break; - case 4: - r = R.color.preset_folk; - break; - case 5: - r = R.color.preset_metal; - break; - case 6: - r = R.color.preset_hiphop; - break; - case 7: - r = R.color.preset_jazz; - break; - case 8: - r = R.color.preset_pop; - break; - case 9: - r = R.color.preset_rock; - break; - case 10: - r = R.color.preset_electronic; - break; - case 11: - r = R.color.preset_small_speakers; - break; - default: - return r; - } - } - return mContext.getResources().getColor(r); - } - - /** - * Get total number of presets - * - * @return int value with total number of presets - */ - public int getPresetCount() { - return mEqPresets.size(); - } - - public Preset getPreset(int index) { - return mEqPresets.get(index); - } - - public String getLocalizedPresetName(int index) { - // already localized - return localizePresetName(mEqPresets.get(index).getName()); - } - - private final String localizePresetName(final String name) { - // missing electronic, multimedia, small speakers, custom - final String[] names = { - "Normal", "Classical", "Dance", "Flat", "Folk", - "Heavy Metal", "Hip Hop", "Jazz", "Pop", "Rock", - "Electronic", "Small speakers", "Multimedia", - "Custom" - }; - final int[] ids = { - R.string.normal, R.string.classical, R.string.dance, R.string.flat, R.string.folk, - R.string.heavy_metal, R.string.hip_hop, R.string.jazz, R.string.pop, R.string.rock, - R.string.ci_extreme, R.string.small_speakers, R.string.multimedia, - R.string.user - }; - - for (int i = names.length - 1; i >= 0; --i) { - if (names[i].equalsIgnoreCase(name)) { - return mContext.getString(ids[i]); - } - } - return name; - } - - public boolean isEqualizerLocked() { - return getCurrentPreset() instanceof Preset.CustomPreset - && !(getCurrentPreset() instanceof Preset.PermCustomPreset) - && ((Preset.CustomPreset) getCurrentPreset()).isLocked(); - } - - public void renameCurrentPreset(String s) { - if (UserSession.getInstance() != null) { - UserSession.getInstance().presetRenamed(); - } - - if (isUserPreset()) { - ((Preset.CustomPreset) getCurrentPreset()).setName(s); - } - - mConfig.getCallbacks().notifyPresetsChanged(); - - savePresetsDelayed(); - } - - public boolean removePreset(int index) { - if (UserSession.getInstance() != null) { - UserSession.getInstance().presetRemoved(); - } - - if (index > mEQCustomPresetPosition) { - mEqPresets.remove(index); - mConfig.getCallbacks().notifyPresetsChanged(); - - if (mCurrentPreset == index) { - if (DEBUG) { - Log.w(TAG, "removePreset() called on current preset, changing preset"); - } - updateGlobalLevels(mCurrentPreset - 1); - setPreset(mCurrentPreset - 1); - } - savePresetsDelayed(); - return true; - } - return false; - } - - private void updateGlobalLevels(int presetIndexToCopy) { - final float[] presetLevels = getPresetLevels(presetIndexToCopy); - for (int i = 0; i < mGlobalLevels.length; i++) { - mGlobalLevels[i] = presetLevels[i]; - } - } - - // I AM SO LAZY! - private String getGlobalPref(String key, String defValue) { - return mConfig.getGlobalPrefs().getString(key, defValue); - } - - private void setGlobalPref(String key, String value) { - mConfig.getGlobalPrefs().edit().putString(key, value).apply(); - } - - private String getPref(String key, String defValue) { - return mConfig.getPrefs().getString(key, defValue); - } - - private void setPref(String key, String value) { - mConfig.getPrefs().edit().putString(key, value).apply(); - } -} |