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/*
* Copyright (C) 2012 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.ui;
import android.content.Context;
import android.content.res.Resources;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.NumberPicker;
import android.widget.Switch;
import android.widget.TextView;
import com.android.camera.IconListPreference;
import com.android.camera.ListPreference;
import com.android.gallery3d.R;
/**
* This is a popup window that allows users to turn on/off time lapse feature,
* and to select a time interval for taking a time lapse video.
*/
public class TimeIntervalPopup extends AbstractSettingPopup {
private static final String TAG = "TimeIntervalPopup";
private NumberPicker mNumberSpinner;
private NumberPicker mUnitSpinner;
private Switch mTimeLapseSwitch;
private final String[] mUnits;
private final String[] mDurations;
private IconListPreference mPreference;
private Listener mListener;
private Button mConfirmButton;
private TextView mHelpText;
private View mTimePicker;
static public interface Listener {
public void onListPrefChanged(ListPreference pref);
}
public void setSettingChangedListener(Listener listener) {
mListener = listener;
}
public TimeIntervalPopup(Context context, AttributeSet attrs) {
super(context, attrs);
Resources res = context.getResources();
mUnits = res.getStringArray(R.array.pref_video_time_lapse_frame_interval_units);
mDurations = res
.getStringArray(R.array.pref_video_time_lapse_frame_interval_duration_values);
}
public void initialize(IconListPreference preference) {
mPreference = preference;
// Set title.
mTitle.setText(mPreference.getTitle());
// Duration
int durationCount = mDurations.length;
mNumberSpinner = (NumberPicker) findViewById(R.id.duration);
mNumberSpinner.setMinValue(0);
mNumberSpinner.setMaxValue(durationCount - 1);
mNumberSpinner.setDisplayedValues(mDurations);
mNumberSpinner.setWrapSelectorWheel(false);
// Units for duration (i.e. seconds, minutes, etc)
mUnitSpinner = (NumberPicker) findViewById(R.id.duration_unit);
mUnitSpinner.setMinValue(0);
mUnitSpinner.setMaxValue(mUnits.length - 1);
mUnitSpinner.setDisplayedValues(mUnits);
mUnitSpinner.setWrapSelectorWheel(false);
mTimePicker = findViewById(R.id.time_interval_picker);
mTimeLapseSwitch = (Switch) findViewById(R.id.time_lapse_switch);
mHelpText = (TextView) findViewById(R.id.set_time_interval_help_text);
mConfirmButton = (Button) findViewById(R.id.time_lapse_interval_set_button);
// Disable focus on the spinners to prevent keyboard from coming up
mNumberSpinner.setDescendantFocusability(NumberPicker.FOCUS_BLOCK_DESCENDANTS);
mUnitSpinner.setDescendantFocusability(NumberPicker.FOCUS_BLOCK_DESCENDANTS);
mTimeLapseSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
setTimeSelectionEnabled(isChecked);
}
});
mConfirmButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
updateInputState();
}
});
}
private void restoreSetting() {
int index = mPreference.findIndexOfValue(mPreference.getValue());
if (index == -1) {
Log.e(TAG, "Invalid preference value.");
mPreference.print();
throw new IllegalArgumentException();
} else if (index == 0) {
// default choice: time lapse off
mTimeLapseSwitch.setChecked(false);
setTimeSelectionEnabled(false);
} else {
mTimeLapseSwitch.setChecked(true);
setTimeSelectionEnabled(true);
int durationCount = mNumberSpinner.getMaxValue() + 1;
int unit = (index - 1) / durationCount;
int number = (index - 1) % durationCount;
mUnitSpinner.setValue(unit);
mNumberSpinner.setValue(number);
}
}
@Override
public void setVisibility(int visibility) {
if (visibility == View.VISIBLE) {
if (getVisibility() != View.VISIBLE) {
// Set the number pickers and on/off switch to be consistent
// with the preference
restoreSetting();
}
}
super.setVisibility(visibility);
}
protected void setTimeSelectionEnabled(boolean enabled) {
mHelpText.setVisibility(enabled ? GONE : VISIBLE);
mTimePicker.setVisibility(enabled ? VISIBLE : GONE);
}
@Override
public void reloadPreference() {
}
private void updateInputState() {
if (mTimeLapseSwitch.isChecked()) {
int newId = mUnitSpinner.getValue() * (mNumberSpinner.getMaxValue() + 1)
+ mNumberSpinner.getValue() + 1;
mPreference.setValueIndex(newId);
} else {
mPreference.setValueIndex(0);
}
if (mListener != null) {
mListener.onListPrefChanged(mPreference);
}
}
}
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