SoftwareDetail.java

package net.oschina.app.ui;

import net.oschina.app.AppContext;
import net.oschina.app.AppException;
import net.oschina.app.R;
import net.oschina.app.api.ApiClient;
import net.oschina.app.bean.FavoriteList;
import net.oschina.app.bean.Notice;
import net.oschina.app.bean.Result;
import net.oschina.app.bean.Software;
import net.oschina.app.common.StringUtils;
import net.oschina.app.common.UIHelper;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.ScrollView;
import android.widget.TextView;

/**
 * 软件详情
 * 
 * @author liux (http://my.oschina.net/liux)
 * @version 1.0
 * @created 2012-3-21
 */
public class SoftwareDetail extends BaseActivity {

    private FrameLayout mHeader;
    private ImageView mBack;
    private ImageView mFavorite;
    private ImageView mRefresh;
    private ProgressBar mProgressbar;
    private ScrollView mScrollView;

    private ImageView mLogo;
    private TextView mTitle;

    private TextView mLicense;
    private TextView mLanguage;
    private TextView mOS;
    private TextView mRecordtime;

    private LinearLayout ll_language;
    private LinearLayout ll_os;
    private ImageView iv_language;
    private ImageView iv_os;

    private Button mHomepage;
    private Button mDocment;
    private Button mDownload;

    private WebView mWebView;
    private Handler mHandler;
    private Software softwareDetail;
    private Bitmap logo;
    private String ident;

    private final static int DATA_LOAD_ING = 0x001;
    private final static int DATA_LOAD_COMPLETE = 0x002;
    private final static int DATA_LOAD_FAIL = 0x003;

    private GestureDetector gd;
    private boolean isFullScreen;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.software_detail);

        this.initView();
        this.initData();

        // 注册双击全屏事件
        this.regOnDoubleEvent();
    }

    // 初始化视图控件
    private void initView() {
        mHeader = (FrameLayout) findViewById(R.id.software_detail_header);
        mBack = (ImageView) findViewById(R.id.software_detail_back);
        mFavorite = (ImageView) findViewById(R.id.software_detail_favorite);
        mRefresh = (ImageView) findViewById(R.id.software_detail_refresh);
        mProgressbar = (ProgressBar) findViewById(R.id.software_detail_head_progress);
        mScrollView = (ScrollView) findViewById(R.id.software_detail_scrollview);

        mLogo = (ImageView) findViewById(R.id.software_detail_logo);
        mTitle = (TextView) findViewById(R.id.software_detail_title);

        mLicense = (TextView) findViewById(R.id.software_detail_license);
        mLanguage = (TextView) findViewById(R.id.software_detail_language);
        mOS = (TextView) findViewById(R.id.software_detail_os);
        mRecordtime = (TextView) findViewById(R.id.software_detail_recordtime);

        mHomepage = (Button) findViewById(R.id.software_detail_homepage);
        mDocment = (Button) findViewById(R.id.software_detail_document);
        mDownload = (Button) findViewById(R.id.software_detail_download);

        ll_language = (LinearLayout) findViewById(R.id.software_detail_language_ll);
        ll_os = (LinearLayout) findViewById(R.id.software_detail_os_ll);
        iv_language = (ImageView) findViewById(R.id.software_detail_language_iv);
        iv_os = (ImageView) findViewById(R.id.software_detail_os_iv);

        mWebView = (WebView) findViewById(R.id.software_detail_webview);
        mWebView.getSettings().setSupportZoom(true);
        mWebView.getSettings().setBuiltInZoomControls(true);
        mWebView.getSettings().setDefaultFontSize(15);
        UIHelper.addWebImageShow(this, mWebView);

        mBack.setOnClickListener(UIHelper.finish(this));
        mFavorite.setOnClickListener(favoriteClickListener);
        mRefresh.setOnClickListener(refreshClickListener);
    }

    // 初始化控件数据
    private void initData() {
        ident = getIntent().getStringExtra("ident");

        mHandler = new Handler() {
            public void handleMessage(Message msg) {
                if (msg.what == 1) {
                    headButtonSwitch(DATA_LOAD_COMPLETE);

                    // 是否收藏
                    if (softwareDetail.getFavorite() == 1)
                        mFavorite.setImageResource(R.drawable.head_favorite_y);
                    else
                        mFavorite.setImageResource(R.drawable.head_favorite_n);

                    mLogo.setImageBitmap(logo);

                    String title = softwareDetail.getExtensionTitle() + " " + softwareDetail.getTitle();
                    mTitle.setText(title);

                    String body = UIHelper.WEB_STYLE + softwareDetail.getBody();
                    // 读取用户设置：是否加载文章图片--默认有wifi下始终加载图片
                    boolean isLoadImage;
                    AppContext ac = (AppContext) getApplication();
                    if (AppContext.NETTYPE_WIFI == ac.getNetworkType()) {
                        isLoadImage = true;
                    } else {
                        isLoadImage = ac.isLoadImage();
                    }
                    if (isLoadImage) {
                        body = body.replaceAll("(<img[^>]*?)\\s+width\\s*=\\s*\\S+", "$1");
                        body = body.replaceAll("(<img[^>]*?)\\s+height\\s*=\\s*\\S+", "$1");
                        // 添加点击图片放大支持
                        body = body.replaceAll("(<img[^>]+src=\")(\\S+)\"",
                                "$1$2\" onClick=\"javascript:mWebViewImageListener.onImageClick('$2')\"");
                    } else {
                        body = body.replaceAll("<\\s*img\\s+([^>]*)\\s*>", "");
                    }

                    mWebView.loadDataWithBaseURL(null, body, "text/html", "utf-8", null);
                    mWebView.setWebViewClient(UIHelper.getWebViewClient());

                    mLicense.setText(softwareDetail.getLicense());
                    mRecordtime.setText(softwareDetail.getRecordtime());
                    String language = softwareDetail.getLanguage();
                    String os = softwareDetail.getOs();
                    if (StringUtils.isEmpty(language)) {
                        ll_language.setVisibility(View.GONE);
                        iv_language.setVisibility(View.GONE);
                    } else {
                        mLanguage.setText(language);
                    }
                    if (StringUtils.isEmpty(os)) {
                        ll_os.setVisibility(View.GONE);
                        iv_os.setVisibility(View.GONE);
                    } else {
                        mOS.setText(os);
                    }

                    if (StringUtils.isEmpty(softwareDetail.getHomepage())) {
                        mHomepage.setVisibility(View.GONE);
                    } else {
                        mHomepage.setOnClickListener(homepageClickListener);
                    }
                    if (StringUtils.isEmpty(softwareDetail.getDocument())) {
                        mDocment.setVisibility(View.GONE);
                    } else {
                        mDocment.setOnClickListener(docmentClickListener);
                    }
                    if (StringUtils.isEmpty(softwareDetail.getDownload())) {
                        mDownload.setVisibility(View.GONE);
                    } else {
                        mDownload.setOnClickListener(downloadClickListener);
                    }

                    // 发送通知广播
                    if (msg.obj != null) {
                        UIHelper.sendBroadCast(SoftwareDetail.this, (Notice) msg.obj);
                    }
                } else if (msg.what == 0) {
                    headButtonSwitch(DATA_LOAD_FAIL);

                    UIHelper.ToastMessage(SoftwareDetail.this, R.string.msg_load_is_null);
                } else if (msg.what == -1 && msg.obj != null) {
                    headButtonSwitch(DATA_LOAD_FAIL);

                    ((AppException) msg.obj).makeToast(SoftwareDetail.this);
                }
            }
        };

        initData(ident, false);
    }

    private void initData(final String ident, final boolean isRefresh) {
        headButtonSwitch(DATA_LOAD_ING);

        new Thread() {
            public void run() {
                Message msg = new Message();
                try {
                    softwareDetail = ((AppContext) getApplication()).getSoftware(ident, isRefresh);
                    if (softwareDetail != null && !StringUtils.isEmpty(softwareDetail.getLogo())) {
                        /*
                         * 软件logo格式为gif，保存后再读取图片透明效果消失 //先加载SD卡中的图片缓存 String
                         * filename =
                         * FileUtils.getFileName(softwareDetail.getLogo());
                         * String filepath = getFilesDir() + File.separator +
                         * filename; File file = new File(filepath);
                         * if(file.exists()){ logo =
                         * ImageUtils.getBitmap(SoftwareDetail.this, filename);
                         * }else{ //加载网络图片 logo =
                         * ApiClient.getNetBitmap(softwareDetail.getLogo());
                         * if(logo != null){ //向SD卡中写入图片缓存 try{
                         * ImageUtils.saveImage(SoftwareDetail.this, filename,
                         * logo); } catch (IOException e) { e.printStackTrace();
                         * } } }
                         */
                        // 加载网络图片
                        logo = ApiClient.getNetBitmap(softwareDetail.getLogo());
                    }
                    msg.what = (softwareDetail != null && softwareDetail.getId() > 0) ? 1 : 0;
                    msg.obj = (softwareDetail != null) ? softwareDetail.getNotice() : null;
                } catch (AppException e) {
                    e.printStackTrace();
                    msg.what = -1;
                    msg.obj = e;
                }
                mHandler.sendMessage(msg);
            }
        }.start();
    }

    /**
     * 头部按钮展示
     * 
     * @param type
     */
    private void headButtonSwitch(int type) {
        switch (type) {
        case DATA_LOAD_ING:
            mScrollView.setVisibility(View.GONE);
            mProgressbar.setVisibility(View.VISIBLE);
            mFavorite.setVisibility(View.GONE);
            mRefresh.setVisibility(View.GONE);
            break;
        case DATA_LOAD_COMPLETE:
            mScrollView.setVisibility(View.VISIBLE);
            mProgressbar.setVisibility(View.GONE);
            mFavorite.setVisibility(View.VISIBLE);
            mRefresh.setVisibility(View.GONE);
            break;
        case DATA_LOAD_FAIL:
            mScrollView.setVisibility(View.GONE);
            mProgressbar.setVisibility(View.GONE);
            mFavorite.setVisibility(View.GONE);
            mRefresh.setVisibility(View.VISIBLE);
            break;
        }
    }

    private View.OnClickListener favoriteClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            if (ident == "" || softwareDetail == null) {
                return;
            }

            final AppContext ac = (AppContext) getApplication();
            if (!ac.isLogin()) {
                UIHelper.showLoginDialog(SoftwareDetail.this);
                return;
            }
            final int uid = ac.getLoginUid();

            final Handler handler = new Handler() {
                public void handleMessage(Message msg) {
                    if (msg.what == 1) {
                        Result res = (Result) msg.obj;
                        if (res.OK()) {
                            if (softwareDetail.getFavorite() == 1) {
                                softwareDetail.setFavorite(0);
                                mFavorite.setImageResource(R.drawable.head_favorite_n);
                            } else {
                                softwareDetail.setFavorite(1);
                                mFavorite.setImageResource(R.drawable.head_favorite_y);
                            }
                            // 重新保存缓存
                            ac.saveObject(softwareDetail, softwareDetail.getCacheKey());
                        }
                        UIHelper.ToastMessage(SoftwareDetail.this, res.getErrorMessage());
                    } else {
                        ((AppException) msg.obj).makeToast(SoftwareDetail.this);
                    }
                }
            };
            new Thread() {
                public void run() {
                    Message msg = new Message();
                    Result res = null;
                    try {
                        if (softwareDetail.getFavorite() == 1) {
                            res = ac.delFavorite(uid, softwareDetail.getId(), FavoriteList.TYPE_SOFTWARE);
                        } else {
                            res = ac.addFavorite(uid, softwareDetail.getId(), FavoriteList.TYPE_SOFTWARE);
                        }
                        msg.what = 1;
                        msg.obj = res;
                    } catch (AppException e) {
                        e.printStackTrace();
                        msg.what = -1;
                        msg.obj = e;
                    }
                    handler.sendMessage(msg);
                }
            }.start();
        }
    };

    private View.OnClickListener homepageClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            UIHelper.openBrowser(v.getContext(), softwareDetail.getHomepage());
        }
    };

    private View.OnClickListener refreshClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            initData(ident, true);
        }
    };

    private View.OnClickListener docmentClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            UIHelper.openBrowser(v.getContext(), softwareDetail.getDocument());
        }
    };

    private View.OnClickListener downloadClickListener = new View.OnClickListener() {
        public void onClick(View v) {
            UIHelper.openBrowser(v.getContext(), softwareDetail.getDownload());
        }
    };

    /**
     * 注册双击全屏事件
     */
    private void regOnDoubleEvent() {
        gd = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
            @Override
            public boolean onDoubleTap(MotionEvent e) {
                isFullScreen = !isFullScreen;
                if (!isFullScreen) {
                    WindowManager.LayoutParams params = getWindow().getAttributes();
                    params.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
                    getWindow().setAttributes(params);
                    getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
                    mHeader.setVisibility(View.VISIBLE);
                } else {
                    WindowManager.LayoutParams params = getWindow().getAttributes();
                    params.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
                    getWindow().setAttributes(params);
                    getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
                    mHeader.setVisibility(View.GONE);
                }
                return true;
            }
        });
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent event) {
        if (isAllowFullScreen()) {
            gd.onTouchEvent(event);
        }
        return super.dispatchTouchEvent(event);
    }
}