1 files changed, 260 insertions, 0 deletions
diff --git a/src/com/android/settings/livedisplay/DisplayTemperature.java b/src/com/android/settings/livedisplay/DisplayTemperature.java
new file mode 100644
index 000000000..971bd3e4e
--- /dev/null
+++ b/src/com/android/settings/livedisplay/DisplayTemperature.java
@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2015 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.os.UserHandle;
+import android.preference.DialogPreference;
+import android.provider.Settings;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.Button;
+import android.widget.SeekBar;
+import android.widget.TextView;
+
+import com.android.settings.R;
+
+/**
+ * Preference for selection of color temperature range for LiveDisplay
+ */
+public class DisplayTemperature extends DialogPreference {
+    private static final String TAG = "DisplayTemperature";
+
+    private final Context mContext;
+
+    private ColorTemperatureSeekBar mDayTemperature;
+    private ColorTemperatureSeekBar mNightTemperature;
+
+    private int mOriginalDayTemperature;
+    private int mOriginalNightTemperature;
+
+    private final int mDefaultDayTemperature;
+    private final int mDefaultNightTemperature;
+
+    public DisplayTemperature(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mContext = context;
+
+        mDefaultDayTemperature = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_dayColorTemperature);
+        mDefaultNightTemperature = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_nightColorTemperature);
+
+        setDialogLayoutResource(R.layout.display_temperature);
+    }
+
+    @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) {
+            }
+        });
+    }
+
+    @Override
+    protected void onBindDialogView(View view) {
+        super.onBindDialogView(view);
+
+        mOriginalDayTemperature = Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.DISPLAY_TEMPERATURE_DAY,
+                mDefaultDayTemperature,
+                UserHandle.USER_CURRENT);
+        mOriginalNightTemperature = Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.DISPLAY_TEMPERATURE_NIGHT,
+                mDefaultNightTemperature,
+                UserHandle.USER_CURRENT);
+
+        SeekBar day = (SeekBar) view.findViewById(R.id.day_temperature_seekbar);
+        TextView dayText = (TextView) view.findViewById(R.id.day_temperature_value);
+        mDayTemperature = new ColorTemperatureSeekBar(day, dayText);
+
+        SeekBar night = (SeekBar) view.findViewById(R.id.night_temperature_seekbar);
+        TextView nightText = (TextView) view.findViewById(R.id.night_temperature_value);
+        mNightTemperature = new ColorTemperatureSeekBar(night, nightText);
+
+        mDayTemperature.setProgress(mOriginalDayTemperature);
+        mNightTemperature.setProgress(mOriginalNightTemperature);
+    }
+
+    @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) {
+                mDayTemperature.setProgress(mDefaultDayTemperature);
+                mNightTemperature.setProgress(mDefaultNightTemperature);
+                updateTemperature(true);
+            }
+        });
+    }
+
+    @Override
+    protected void onDialogClosed(boolean positiveResult) {
+        super.onDialogClosed(positiveResult);
+        updateTemperature(positiveResult);
+    }
+
+    @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.originalDayTemperature = mOriginalDayTemperature;
+        myState.originalNightTemperature = mOriginalNightTemperature;
+        myState.currentDayTemperature = mDayTemperature.getProgress();
+        myState.currentNightTemperature = mNightTemperature.getProgress();
+
+        // Restore the old state when the activity or dialog is being paused
+        updateTemperature(false);
+
+        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());
+
+        mOriginalDayTemperature = myState.originalDayTemperature;
+        mOriginalNightTemperature = myState.originalNightTemperature;
+        mDayTemperature.setProgress(myState.currentDayTemperature);
+        mNightTemperature.setProgress(myState.currentNightTemperature);;
+
+        updateTemperature(true);
+    }
+
+    private static class SavedState extends BaseSavedState {
+        int originalDayTemperature;
+        int originalNightTemperature;
+        int currentDayTemperature;
+        int currentNightTemperature;
+
+        public SavedState(Parcelable superState) {
+            super(superState);
+        }
+
+        public SavedState(Parcel source) {
+            super(source);
+            originalDayTemperature = source.readInt();
+            originalNightTemperature = source.readInt();
+            currentDayTemperature = source.readInt();
+            currentNightTemperature = source.readInt();
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            super.writeToParcel(dest, flags);
+            dest.writeInt(originalDayTemperature);
+            dest.writeInt(originalNightTemperature);
+            dest.writeInt(currentDayTemperature);
+            dest.writeInt(currentNightTemperature);
+        }
+
+        public static final Parcelable.Creator<SavedState> CREATOR =
+                new Parcelable.Creator<SavedState>() {
+
+            public SavedState createFromParcel(Parcel in) {
+                return new SavedState(in);
+            }
+
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
+
+    private void updateTemperature(boolean accept) {
+        int day = accept ? mDayTemperature.getProgress() : mOriginalDayTemperature;
+        int night = accept ? mNightTemperature.getProgress() : mOriginalNightTemperature;
+        callChangeListener(new Integer[] { day, night });
+
+        Settings.System.putIntForUser(mContext.getContentResolver(),
+                Settings.System.DISPLAY_TEMPERATURE_DAY, day,
+                UserHandle.USER_CURRENT);
+
+        Settings.System.putIntForUser(mContext.getContentResolver(),
+                Settings.System.DISPLAY_TEMPERATURE_NIGHT, night,
+                UserHandle.USER_CURRENT);
+    }
+
+    private class ColorTemperatureSeekBar implements SeekBar.OnSeekBarChangeListener {
+        private final SeekBar mSeekBar;
+        private final TextView mValue;
+
+        private static final int MIN = 1000;
+        private static final int MAX = 10000;
+
+        public ColorTemperatureSeekBar(SeekBar seekBar, TextView value) {
+            mSeekBar = seekBar;
+            mValue = value;
+
+            mSeekBar.setMax(MAX - MIN);
+            mSeekBar.setOnSeekBarChangeListener(this);
+        }
+
+        @Override
+        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+            if (fromUser) {
+                updateTemperature(true);
+            }
+            mValue.setText(mContext.getResources().getString(
+                    R.string.live_display_color_temperature_label, progress + MIN));
+        }
+
+        public void setProgress(int progress) {
+            int p = progress < MIN ? MIN : progress;
+            mSeekBar.setProgress(p - MIN);
+        }
+
+        public int getProgress() {
+            return mSeekBar.getProgress() + MIN;
+        }
+
+        @Override
+        public void onStartTrackingTouch(SeekBar seekBar) {
+            // Do nothing here
+        }
+
+        @Override
+        public void onStopTrackingTouch(SeekBar seekBar) {
+            // Do nothing here
+        }
+    }
+}