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/*
* Copyright (C) 2010 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 com.android.camera.CameraSettings;
import com.android.camera.ComboPreferences;
import com.android.camera.IconListPreference;
import com.android.camera.PreferenceGroup;
import com.android.camera.R;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.MarginLayoutParams;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;
import java.util.ArrayList;
public class ControlPanel extends RelativeLayout
implements BasicSettingPopup.Listener, IndicatorWheel.Listener,
OtherSettingsPopup.Listener, PopupWindow.OnDismissListener {
private static final String TAG = "ControlPanel";
private Context mContext;
private ComboPreferences mSharedPrefs;
private PreferenceGroup mPreferenceGroup;
private ArrayList<String> mPreferenceKeys;
private Listener mListener;
private IndicatorWheel mIndicatorWheel;
private BasicSettingPopup[] mBasicSettingPopups;
private OtherSettingsPopup mOtherSettingsPopup;
private int mActiveIndicator = -1;
private boolean mEnabled = true;
static public interface Listener {
public void onSharedPreferenceChanged();
}
public void setListener(Listener listener) {
mListener = listener;
}
public ControlPanel(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
}
protected boolean addIndicator(
Context context, PreferenceGroup group, String key) {
IconListPreference pref = (IconListPreference) group.findPreference(key);
if (pref == null) return false;
IndicatorButton b = new IndicatorButton(context, pref);
mIndicatorWheel.addView(b);
return true;
}
private void addOtherSettingIndicator(Context context) {
Button b = new Button(context);
b.setBackgroundResource(R.drawable.ic_viewfinder_settings);
b.setClickable(false);
mIndicatorWheel.addView(b);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mIndicatorWheel = (IndicatorWheel) findViewById(R.id.indicator_wheel);
mIndicatorWheel.setListener(this);
MarginLayoutParams params = (MarginLayoutParams) getLayoutParams();
mIndicatorWheel.setOverlapWidth(-params.leftMargin);
}
public void initialize(Context context, PreferenceGroup group,
String[] keys, boolean enableOtherSettings) {
// Reset the variables and states.
dismissSettingPopup();
mIndicatorWheel.removeIndicators();
mOtherSettingsPopup = null;
mActiveIndicator = -1;
mPreferenceKeys = new ArrayList<String>();
// Initialize all variables and icons.
mPreferenceGroup = group;
mSharedPrefs = ComboPreferences.get(context);
for (int i = 0; i < keys.length; i++) {
if (addIndicator(context, group, keys[i])) {
mPreferenceKeys.add(keys[i]);
}
}
mBasicSettingPopups = new BasicSettingPopup[mPreferenceKeys.size()];
if (enableOtherSettings) {
addOtherSettingIndicator(context);
}
requestLayout();
}
public void onOtherSettingChanged() {
if (mListener != null) {
mListener.onSharedPreferenceChanged();
}
}
public void onSettingChanged() {
mIndicatorWheel.updateIndicator(mActiveIndicator);
if (mListener != null) {
mListener.onSharedPreferenceChanged();
}
}
public void onIndicatorClicked(int index) {
if (!mEnabled) return;
if (index < mBasicSettingPopups.length) {
if (mBasicSettingPopups[index] == null) {
initializeSettingPopup(index);
}
} else if (mOtherSettingsPopup == null) {
initializeOtherSettingPopup();
}
showSettingPopup(index);
}
private void initializeSettingPopup(int index) {
IconListPreference pref = (IconListPreference)
mPreferenceGroup.findPreference(mPreferenceKeys.get(index));
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
ViewGroup root = (ViewGroup) getRootView().findViewById(R.id.frame);
BasicSettingPopup popup = (BasicSettingPopup) inflater.inflate(
R.layout.basic_setting_popup, root, false);
mBasicSettingPopups[index] = popup;
popup.setSettingChangedListener(this);
popup.initialize(pref);
root.addView(popup);
}
private void initializeOtherSettingPopup() {
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
ViewGroup root = (ViewGroup) getRootView().findViewById(R.id.frame);
mOtherSettingsPopup = (OtherSettingsPopup) inflater.inflate(
R.layout.other_setting_popup, root, false);
mOtherSettingsPopup.setOtherSettingChangedListener(this);
mOtherSettingsPopup.initialize(mPreferenceGroup);
root.addView(mOtherSettingsPopup);
}
private void showSettingPopup(int index) {
if (mActiveIndicator == index) return;
dismissSettingPopup();
if (index == mBasicSettingPopups.length) {
mOtherSettingsPopup.setVisibility(View.VISIBLE);
} else {
mBasicSettingPopups[index].setVisibility(View.VISIBLE);
}
mActiveIndicator = index;
}
public boolean dismissSettingPopup() {
if (mActiveIndicator >= 0) {
if (mActiveIndicator == mBasicSettingPopups.length) {
mOtherSettingsPopup.setVisibility(View.INVISIBLE);
} else {
mBasicSettingPopups[mActiveIndicator].setVisibility(View.INVISIBLE);
}
mActiveIndicator = -1;
return true;
}
return false;
}
public void setEnabled(boolean enabled) {
if (mEnabled == enabled) return;
mEnabled = enabled;
}
// Popup window is dismissed.
public void onDismiss() {
mActiveIndicator = -1;
}
public View getActivePopupWindow() {
if (mActiveIndicator >= 0) {
if (mActiveIndicator == mBasicSettingPopups.length) {
return mOtherSettingsPopup;
} else {
return mBasicSettingPopups[mActiveIndicator];
}
} else {
return null;
}
}
}
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