/*
* 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.gallery3d.photoeditor;
import android.app.Dialog;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.ProgressBar;
import com.android.gallery3d.R;
import java.util.ArrayList;
/**
* Spinner model progress dialog that disables all tools for user interaction after it shows up and
* and re-enables them after it dismisses; this class along with all its methods should be accessed
* in only UI thread and allows only one instance at a time.
*/
public class SpinnerProgressDialog extends Dialog {
private static ViewGroup toolbar;
private static SpinnerProgressDialog dialog;
private final ArrayList<View> enabledTools = new ArrayList<View>();
public static void initialize(ViewGroup toolbar) {
SpinnerProgressDialog.toolbar = toolbar;
}
public static void showDialog() {
// There should be only one progress dialog running at a time.
if (dialog == null) {
dialog = new SpinnerProgressDialog();
dialog.setCancelable(false);
dialog.show();
// Disable enabled tools when showing spinner progress dialog.
for (int i = 0; i < toolbar.getChildCount(); i++) {
View view = toolbar.getChildAt(i);
if (view.isEnabled()) {
dialog.enabledTools.add(view);
view.setEnabled(false);
}
}
}
}
public static void dismissDialog() {
if (dialog != null) {
dialog.dismiss();
// Enable tools that were disabled by this spinner progress dialog.
for (View view : dialog.enabledTools) {
view.setEnabled(true);
}
dialog = null;
}
}
private SpinnerProgressDialog() {
super(toolbar.getContext(), R.style.SpinnerProgressDialog);
addContentView(new ProgressBar(toolbar.getContext()), new LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
}
@Override
public boolean onTouchEvent(MotionEvent event) {
super.onTouchEvent(event);
// Pass touch events to tools for killing idle even when the progress dialog is shown.
return toolbar.dispatchTouchEvent(event);
}
}