/* //device/java/android/android/app/ResolveListActivity.java
**
** Copyright 2006, 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.development;

import com.android.development.PackageBrowser.MyPackageInfo;

import android.app.ActivityManagerNative;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.os.Bundle;
import android.os.RemoteException;
import android.provider.Settings;
import android.view.View;
import android.view.ViewGroup;
import android.view.LayoutInflater;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class AppPicker extends ListActivity
{
    @Override
    protected void onCreate(Bundle icicle)
    {
        super.onCreate(icicle);

        mAdapter = new AppListAdapter(this);
        if (mAdapter.getCount() <= 0) {
            finish();
        } else {
            setListAdapter(mAdapter);
        }
    }
    
    @Override
    protected void onResume()
    {
        super.onResume();
    }

    @Override
    protected void onStop()
    {
        super.onStop();
    }

    @Override
    protected void onListItemClick(ListView l, View v, int position, long id)
    {
        MyApplicationInfo app = mAdapter.itemForPosition(position);
        Intent intent = new Intent();
        if (app.info != null) intent.setAction(app.info.packageName);
        setResult(RESULT_OK, intent);
        
        try {
            boolean waitForDebugger = Settings.System.getInt(
                    getContentResolver(), Settings.System.WAIT_FOR_DEBUGGER, 0) != 0;
            ActivityManagerNative.getDefault().setDebugApp(
                    app.info != null ? app.info.packageName : null, waitForDebugger, true);
        } catch (RemoteException ex) {
        }
        
        finish();
    }

    class MyApplicationInfo {
        ApplicationInfo info;
        String label;
    }
    
    public class AppListAdapter extends ArrayAdapter<MyApplicationInfo> {
        private List<MyApplicationInfo> mPackageInfoList = new ArrayList<MyApplicationInfo>();

        public AppListAdapter(Context context) {
            super(context, R.layout.package_list_item);
            List<ApplicationInfo> pkgs = context.getPackageManager().getInstalledApplications(0);
            for (int i=0; i<pkgs.size(); i++) {
                MyApplicationInfo info = new MyApplicationInfo();
                info.info = pkgs.get(i);
                info.label = info.info.loadLabel(getPackageManager()).toString();
                mPackageInfoList.add(info);
            }
            Collections.sort(mPackageInfoList, sDisplayNameComparator);
            MyApplicationInfo info = new MyApplicationInfo();
            info.label = "(none)";
            mPackageInfoList.add(0, info);
            setSource(mPackageInfoList);
        }
    
        @Override
        public void bindView(View view, MyApplicationInfo info) {
            ImageView icon = (ImageView)view.findViewById(R.id.icon);
            TextView name = (TextView)view.findViewById(R.id.name);
            TextView description = (TextView)view.findViewById(R.id.description);
            name.setText(info.label);
            if (info.info != null) {
                icon.setImageDrawable(info.info.loadIcon(getPackageManager()));
                description.setText(info.info.packageName);
            } else {
                icon.setImageDrawable(null);
                description.setText("");
            }
        }
    }

    private final static Comparator<MyApplicationInfo> sDisplayNameComparator
            = new Comparator<MyApplicationInfo>() {
        public final int
        compare(MyApplicationInfo a, MyApplicationInfo b) {
            return collator.compare(a.label, b.label);
        }

        private final Collator   collator = Collator.getInstance();
    };

    private AppListAdapter mAdapter;
}