diff options
Diffstat (limited to 'src/com/android/settings/livedisplay/PictureAdjustment.java')
-rw-r--r-- | src/com/android/settings/livedisplay/PictureAdjustment.java | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/com/android/settings/livedisplay/PictureAdjustment.java b/src/com/android/settings/livedisplay/PictureAdjustment.java new file mode 100644 index 0000000..657d7d4 --- /dev/null +++ b/src/com/android/settings/livedisplay/PictureAdjustment.java @@ -0,0 +1,262 @@ +/* + * Copyright (C) 2016 The CyanogenMod 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.settings.livedisplay; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.os.Bundle; +import android.os.Parcel; +import android.os.Parcelable; +import android.preference.DialogPreference; +import android.util.AttributeSet; +import android.util.Range; +import android.view.View; +import android.widget.Button; +import android.widget.SeekBar; +import android.widget.TextView; + +import com.android.settings.IntervalSeekBar; +import com.android.settings.R; + +import cyanogenmod.hardware.HSIC; +import cyanogenmod.hardware.LiveDisplayManager; + +import java.util.List; + +/** + * Special preference type that allows configuration of Color settings + */ +public class PictureAdjustment extends DialogPreference { + private static final String TAG = "PictureAdjustment"; + + private final Context mContext; + private final LiveDisplayManager mLiveDisplay; + private final List<Range<Float>> mRanges; + + // These arrays must all match in length and order + private static final int[] SEEKBAR_ID = new int[] { + R.id.adj_hue_seekbar, + R.id.adj_saturation_seekbar, + R.id.adj_intensity_seekbar, + R.id.adj_contrast_seekbar + }; + + private static final int[] SEEKBAR_VALUE_ID = new int[] { + R.id.adj_hue_value, + R.id.adj_saturation_value, + R.id.adj_intensity_value, + R.id.adj_contrast_value + }; + + private ColorSeekBar[] mSeekBars = new ColorSeekBar[SEEKBAR_ID.length]; + + private final float[] mCurrentAdj = new float[5]; + private final float[] mOriginalAdj = new float[5]; + + public PictureAdjustment(Context context, AttributeSet attrs) { + super(context, attrs); + + mContext = context; + mLiveDisplay = LiveDisplayManager.getInstance(mContext); + mRanges = mLiveDisplay.getConfig().getPictureAdjustmentRanges(); + + setDialogLayoutResource(R.layout.display_picture_adjustment); + } + + @Override + protected void onPrepareDialogBuilder(AlertDialog.Builder builder) { + builder.setNeutralButton(R.string.settings_reset_button, + new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + } + }); + } + + private void updateBars() { + for (int i = 0; i < SEEKBAR_ID.length; i++) { + mSeekBars[i].setValue(mCurrentAdj[i]); + } + } + + @Override + protected void onBindDialogView(View view) { + super.onBindDialogView(view); + + System.arraycopy(mLiveDisplay.getPictureAdjustment().toFloatArray(), 0, mOriginalAdj, 0, 5); + System.arraycopy(mOriginalAdj, 0, mCurrentAdj, 0, 5); + + for (int i = 0; i < SEEKBAR_ID.length; i++) { + IntervalSeekBar seekBar = (IntervalSeekBar) view.findViewById(SEEKBAR_ID[i]); + TextView value = (TextView) view.findViewById(SEEKBAR_VALUE_ID[i]); + final Range<Float> range = mRanges.get(i); + mSeekBars[i] = new ColorSeekBar(seekBar, range, value, i); + } + updateBars(); + } + + @Override + protected void showDialog(Bundle state) { + super.showDialog(state); + + // Can't use onPrepareDialogBuilder for this as we want the dialog + // to be kept open on click + AlertDialog d = (AlertDialog) getDialog(); + Button defaultsButton = d.getButton(DialogInterface.BUTTON_NEUTRAL); + defaultsButton.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + System.arraycopy(mLiveDisplay.getDefaultPictureAdjustment().toFloatArray(), + 0, mCurrentAdj, 0, 5); + updateBars(); + updateAdjustment(mCurrentAdj); + } + }); + } + + @Override + protected void onDialogClosed(boolean positiveResult) { + super.onDialogClosed(positiveResult); + updateAdjustment(positiveResult ? mCurrentAdj : mOriginalAdj); + } + + @Override + protected Parcelable onSaveInstanceState() { + final Parcelable superState = super.onSaveInstanceState(); + if (getDialog() == null || !getDialog().isShowing()) { + return superState; + } + + // Save the dialog state + final SavedState myState = new SavedState(superState); + myState.currentAdj = mCurrentAdj; + myState.originalAdj = mOriginalAdj; + + // Restore the old state when the activity or dialog is being paused + updateAdjustment(mOriginalAdj); + + return myState; + } + + @Override + protected void onRestoreInstanceState(Parcelable state) { + if (state == null || !state.getClass().equals(SavedState.class)) { + // Didn't save state for us in onSaveInstanceState + super.onRestoreInstanceState(state); + return; + } + + SavedState myState = (SavedState) state; + super.onRestoreInstanceState(myState.getSuperState()); + + System.arraycopy(myState.originalAdj, 0, mOriginalAdj, 0, 5); + System.arraycopy(myState.currentAdj, 0, mCurrentAdj, 0, 5); + + updateBars(); + updateAdjustment(mCurrentAdj); + } + + private static class SavedState extends BaseSavedState { + float[] originalAdj; + float[] currentAdj; + + public SavedState(Parcelable superState) { + super(superState); + } + + public SavedState(Parcel source) { + super(source); + originalAdj = source.createFloatArray(); + currentAdj = source.createFloatArray(); + } + + @Override + public void writeToParcel(Parcel dest, int flags) { + super.writeToParcel(dest, flags); + dest.writeFloatArray(originalAdj); + dest.writeFloatArray(currentAdj); + } + + public static final Creator<SavedState> CREATOR = + new Creator<PictureAdjustment.SavedState>() { + + public PictureAdjustment.SavedState createFromParcel(Parcel in) { + return new PictureAdjustment.SavedState(in); + } + + public PictureAdjustment.SavedState[] newArray(int size) { + return new PictureAdjustment.SavedState[size]; + } + }; + } + + private void updateAdjustment(final float[] adjustment) { + mLiveDisplay.setPictureAdjustment(HSIC.fromFloatArray(adjustment)); + } + + private class ColorSeekBar implements SeekBar.OnSeekBarChangeListener { + private int mIndex; + private final IntervalSeekBar mSeekBar; + private TextView mValue; + private Range<Float> mRange; + + public ColorSeekBar(IntervalSeekBar seekBar, Range<Float> range, TextView value, int index) { + mSeekBar = seekBar; + mValue = value; + mIndex = index; + mRange = range; + mSeekBar.setMinimum(range.getLower()); + mSeekBar.setMaximum(range.getUpper()); + + mSeekBar.setOnSeekBarChangeListener(this); + } + + @Override + public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { + IntervalSeekBar isb = (IntervalSeekBar)seekBar; + float fp = isb.getProgressFloat(); + if (fromUser) { + mCurrentAdj[mIndex] = mRanges.get(mIndex).clamp(fp); + updateAdjustment(mCurrentAdj); + } + mValue.setText(getLabel(mCurrentAdj[mIndex])); + } + + @Override + public void onStartTrackingTouch(SeekBar seekBar) { + // Do nothing here + } + + @Override + public void onStopTrackingTouch(SeekBar seekBar) { + // Do nothing here + } + + private String getLabel(float value) { + if (mRange.getUpper() == 1.0f) { + return String.format("%d%%", Math.round(100F * value)); + } + return String.format("%d", Math.round(value)); + } + + public void setValue(float value) { + mSeekBar.setProgressFloat(value); + mValue.setText(getLabel(value)); + } + } +} |