FrodoBridge.java

/*
 * Copyright (c) 2016 Zhang Hai <Dreaming.in.Code.ZH@Gmail.com>
 * All Rights Reserved.
 */

package me.zhanghai.android.douya.link;

import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.text.TextUtils;

import java.util.List;

import me.zhanghai.android.douya.util.AppUtils;
import me.zhanghai.android.douya.util.MoreTextUtils;

public class FrodoBridge {

    private static final String FRODO_SCHEME = "douban";
    private static final String FACADE_ACTION = "com.douban.frodo";

    private static final String FRODO_PACKAGE_NAME = "com.douban.frodo";

    private static final String SEARCH_CLASS_NAME = ".activity.SearchActivity";
    private static final String SEARCH_EXTRA_QUERY = "query";
    private static final String SEARCH_EXTRA_TYPE = "com.douban.frodo.QUERY_TYPE";
    private static final String SEARCH_EXTRA_ENTRY = "search_entry";

    private static final String SEND_STATUS_CLASS_NAME = ".status.activity.StatusEditActivity";
    private static final String SEND_STATUS_EXTRA_HASHTAG_NAME = "hashtag_name";

    private FrodoBridge() {}

    public static boolean openUri(Uri uri, Context context) {
        if (!isUriHandled(uri)) {
            return false;
        }
        Intent intent = makeFacadeIntent(uri);
        return AppUtils.isIntentHandled(intent, context) && startActivity(intent, context);
    }

    /**
     * Whether an uri is likely to be handled by native in Frodo. We don't need Frodo's WebActivity.
     */
    private static boolean isUriHandled(Uri uri) {
        String scheme = uri.getScheme();
        if (TextUtils.equals(scheme, FRODO_SCHEME)) {
            return true;
        } else if (MoreTextUtils.equalsAny(scheme, "https", "http")) {
            // Data updated at 2016-09.
            String host = uri.getHost();
            if (!TextUtils.isEmpty(host) && MoreTextUtils.equalsAny(host, "www.douban.com",
                    "m.douban.com", "book.douban.com", "movie.douban.com", "music.douban.com",
                    "dongxi.douban.com")) {
                List<String> pathSegments = uri.getPathSegments();
                String pathSegment0 = pathSegments.size() >= 1 ? pathSegments.get(0) : null;
                if (!TextUtils.isEmpty(pathSegment0)) {
                    if (MoreTextUtils.equalsAny(pathSegment0,
                            "group", "theme", "update", "hashtag", "app_topic", "subject",
                            "book", "music", "movie", "game", "mobileapp", "event", "note", "show",
                            "doulist", "review", "photos", "celebrity")) {
                        return true;
                    } else if (TextUtils.equals(pathSegment0, "people")) {
                        String pathSegment2 = pathSegments.size() >= 3 ? pathSegments.get(2) : null;
                        if (TextUtils.isEmpty(pathSegment2)) {
                            return true;
                        } else if (MoreTextUtils.equalsAny(pathSegment2, "reviews", "wish",
                                "collect", "games", "apps", "status")) {
                            return true;
                        }
                    }
                }
            }
        }
        return false;
    }

    private static Intent makeFacadeIntent(Uri uri) {
        return new Intent(FACADE_ACTION, uri);
    }

    public static boolean openFrodoUri(Uri uri, Context context) {
        return isFrodoUri(uri) && openUri(uri, context);
    }

    public static boolean isFrodoUri(Uri uri) {
        return TextUtils.equals(uri.getScheme(), FRODO_SCHEME);
    }

    public static boolean search(String query, String type, String entry, Context context) {
        return startActivity(makeSearchIntent(query, type, entry), context);
    }

    private static Intent makeSearchIntent(String query, String type, String entry) {
        return makeClassIntent(SEARCH_CLASS_NAME)
                .putExtra(SEARCH_EXTRA_QUERY, query)
                .putExtra(SEARCH_EXTRA_TYPE, type)
                .putExtra(SEARCH_EXTRA_ENTRY, entry);
    }

    public static boolean sendBroadcast(String topic, Context context) {
        return startActivity(makeSendBroadcastIntent(topic), context);
    }

    private static Intent makeSendBroadcastIntent(String hashTagName) {
        return makeClassIntent(SEND_STATUS_CLASS_NAME)
                .putExtra(SEND_STATUS_EXTRA_HASHTAG_NAME, hashTagName);
    }

    private static Intent makeClassIntent(String className) {
        return new Intent()
                .setComponent(new ComponentName(FRODO_PACKAGE_NAME,
                        FRODO_PACKAGE_NAME + className));
    }

    private static boolean startActivity(Intent intent, Context context) {
        try {
            context.startActivity(intent);
            return true;
        } catch (ActivityNotFoundException e) {
            return false;
        }
    }
}