src/com/android/documentsui/sidebar/AppItem.java

/*
 * Copyright (C) 2016 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.documentsui.sidebar;

import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.android.documentsui.ActionHandler;
import com.android.documentsui.R;

/**
 * An {@link Item} for apps that supports some picking actions like
 * {@link Intent#ACTION_GET_CONTENT} such as Photos. This is only used in pickers.
 */
class AppItem extends Item {
    private static final String STRING_ID_FORMAT = "AppItem{%s/%s}";

    public final ResolveInfo info;

    private final ActionHandler mActionHandler;

    public AppItem(ResolveInfo info, ActionHandler actionHandler) {
        super(R.layout.item_root, getStringId(info));
        this.info = info;

        mActionHandler = actionHandler;
    }

    private static String getStringId(ResolveInfo info) {
        ActivityInfo activityInfo = info.activityInfo;

        String component = String.format(
                STRING_ID_FORMAT, activityInfo.applicationInfo.packageName, activityInfo.name);
        return component;
    }

    @Override
    boolean showAppDetails() {
        mActionHandler.showAppDetails(info);
        return true;
    }

    @Override
    void bindView(View convertView) {
        final ImageView icon = (ImageView) convertView.findViewById(android.R.id.icon);
        final TextView title = (TextView) convertView.findViewById(android.R.id.title);
        final TextView summary = (TextView) convertView.findViewById(android.R.id.summary);

        final PackageManager pm = convertView.getContext().getPackageManager();
        icon.setImageDrawable(info.loadIcon(pm));
        title.setText(info.loadLabel(pm));

        // TODO: match existing summary behavior from disambig dialog
        summary.setVisibility(View.GONE);
    }

    @Override
    boolean isDropTarget() {
        // We won't support drag n' drop in pickers, and apps only show up there.
        return false;
    }

    @Override
    void open() {
        mActionHandler.openRoot(info);
    }
}