Lightning browser with I2P configuration
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/*
* Copyright 2014 A.C.R. Development
*/
package org.purplei2p.lightning.constant;
import android.app.Activity;
import android.app.Application;
import android.graphics.Bitmap;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import com.anthonycr.bonsai.Single;
import com.anthonycr.bonsai.SingleAction;
import com.anthonycr.bonsai.SingleOnSubscribe;
import com.anthonycr.bonsai.SingleSubscriber;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import javax.inject.Inject;
import org.purplei2p.lightning.R;
import org.purplei2p.lightning.BrowserApp;
import org.purplei2p.lightning.database.HistoryItem;
import org.purplei2p.lightning.database.bookmark.BookmarkModel;
import org.purplei2p.lightning.favicon.FaviconModel;
import org.purplei2p.lightning.favicon.FaviconUtils;
import org.purplei2p.lightning.utils.Preconditions;
import org.purplei2p.lightning.utils.ThemeUtils;
import org.purplei2p.lightning.utils.Utils;
public final class BookmarkPage {
/**
* The bookmark page standard suffix
*/
public static final String FILENAME = "bookmarks.html";
private static final String HEADING_1 = "<!DOCTYPE html><html xmlns=http://www.w3.org/1999/xhtml>\n" +
"<head>\n" +
"<meta content=en-us http-equiv=Content-Language />\n" +
"<meta content='text/html; charset=utf-8' http-equiv=Content-Type />\n" +
"<meta name=viewport content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no'>\n" +
"<title>";
private static final String HEADING_2 = "</title>\n" +
"</head>\n" +
"<style>body{background: #E5E5E5; padding-top: 5px;max-width:100%;min-height:100%}" +
"#content{width:100%;max-width:800px;margin:0 auto;text-align:center}" +
".box{vertical-align:middle;text-align:center;position:relative;display:inline-block;height:45px;width:150px;margin:6px;padding:4px;background-color:#fff;border: 1px solid #d2d2d2;border-top-width: 0;border-bottom-width: 2px;font-family:Arial;color:#444;font-size:12px;-moz-border-radius:2px;-webkit-border-radius:2px;border-radius:2px}" +
".box-content{height:25px;width:100%;vertical-align:middle;text-align:center;display:table-cell}" +
"p.ellipses{width:130px;font-size: small;font-family: Arial, Helvetica, 'sans-serif';white-space:nowrap;overflow:hidden;text-align:left;vertical-align:middle;margin:auto;text-overflow:ellipsis;-o-text-overflow:ellipsis;-ms-text-overflow:ellipsis}" +
".box a{width:100%;height:100%;position:absolute;left:0;top:0}" +
"img{vertical-align:middle;margin-right:10px;width:20px;height:20px;}" +
".margin{margin:10px}</style>\n" +
"<body><div id=content>";
private static final String PART1 = "<div class=box><a href='";
private static final String PART2 = "'></a>\n" +
"<div class=margin>\n" +
"<div class=box-content>\n" +
"<p class=ellipses>\n" +
"<img src='";
private static final String PART3 = "https://www.google.com/s2/favicons?domain=";
private static final String PART4 = "' />";
private static final String PART5 = "</p></div></div></div>";
private static final String END = "</div></body></html>";
private static final String FOLDER_ICON = "folder.png";
private static final String DEFAULT_ICON = "default.png";
@NonNull
public static File getBookmarkPage(@NonNull Application application, @Nullable String folder) {
String prefix = !TextUtils.isEmpty(folder) ? folder + '-' : "";
return new File(application.getFilesDir(), prefix + FILENAME);
}
@NonNull
private static File getFaviconFile(@NonNull Application application) {
return new File(application.getCacheDir(), FOLDER_ICON);
}
@NonNull
private static File getDefaultIconFile(@NonNull Application application) {
return new File(application.getCacheDir(), DEFAULT_ICON);
}
@Inject Application mApp;
@Inject BookmarkModel mBookmarkModel;
@Inject FaviconModel mFaviconModel;
@NonNull private final Bitmap mFolderIcon;
@NonNull private final String mTitle;
public BookmarkPage(@NonNull Activity activity) {
BrowserApp.getAppComponent().inject(this);
mFolderIcon = ThemeUtils.getThemedBitmap(activity, R.drawable.ic_folder, false);
mTitle = mApp.getString(R.string.action_bookmarks);
}
@NonNull
public Single<String> getBookmarkPage() {
return Single.create(new SingleAction<String>() {
@Override
public void onSubscribe(@NonNull SingleSubscriber<String> subscriber) {
cacheIcon(mFolderIcon, getFaviconFile(mApp));
cacheIcon(mFaviconModel.getDefaultBitmapForString(null), getDefaultIconFile(mApp));
buildBookmarkPage(null);
File bookmarkWebPage = getBookmarkPage(mApp, null);
subscriber.onItem(Constants.FILE + bookmarkWebPage);
subscriber.onComplete();
}
});
}
private void cacheIcon(@NonNull Bitmap icon, @NonNull File file) {
FileOutputStream outputStream = null;
try {
outputStream = new FileOutputStream(file);
icon.compress(Bitmap.CompressFormat.PNG, 100, outputStream);
icon.recycle();
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
Utils.close(outputStream);
}
}
private void buildBookmarkPage(@Nullable final String folder) {
mBookmarkModel.getBookmarksFromFolderSorted(folder)
.subscribe(new SingleOnSubscribe<List<HistoryItem>>() {
@Override
public void onItem(@Nullable final List<HistoryItem> list) {
Preconditions.checkNonNull(list);
if (folder == null) {
mBookmarkModel.getFoldersSorted()
.subscribe(new SingleOnSubscribe<List<HistoryItem>>() {
@Override
public void onItem(@Nullable List<HistoryItem> item) {
Preconditions.checkNonNull(item);
list.addAll(item);
buildPageHtml(list, null);
}
});
} else {
buildPageHtml(list, folder);
}
}
});
}
private void buildPageHtml(@NonNull List<HistoryItem> bookmarksAndFolders, @Nullable String folder) {
final File bookmarkWebPage = getBookmarkPage(mApp, folder);
final StringBuilder bookmarkBuilder = new StringBuilder(HEADING_1 + mTitle + HEADING_2);
final String folderIconPath = getFaviconFile(mApp).toString();
for (int n = 0, size = bookmarksAndFolders.size(); n < size; n++) {
final HistoryItem item = bookmarksAndFolders.get(n);
bookmarkBuilder.append(PART1);
if (item.isFolder()) {
final File folderPage = getBookmarkPage(mApp, item.getTitle());
bookmarkBuilder.append(Constants.FILE).append(folderPage);
bookmarkBuilder.append(PART2);
bookmarkBuilder.append(folderIconPath);
buildBookmarkPage(item.getTitle());
} else {
Uri bookmarkUri = FaviconUtils.safeUri(item.getUrl());
String faviconFileUrl;
if (bookmarkUri != null) {
File faviconFile = FaviconModel.getFaviconCacheFile(mApp, bookmarkUri);
if (!faviconFile.exists()) {
Bitmap defaultFavicon = mFaviconModel.getDefaultBitmapForString(item.getTitle());
mFaviconModel.cacheFaviconForUrl(defaultFavicon, item.getUrl()).subscribe();
}
faviconFileUrl = Constants.FILE + faviconFile;
} else {
faviconFileUrl = Constants.FILE + getDefaultIconFile(mApp);
}
bookmarkBuilder.append(item.getUrl());
bookmarkBuilder.append(PART2).append(faviconFileUrl);
}
bookmarkBuilder.append(PART4);
bookmarkBuilder.append(item.getTitle());
bookmarkBuilder.append(PART5);
}
bookmarkBuilder.append(END);
FileWriter bookWriter = null;
try {
//noinspection IOResourceOpenedButNotSafelyClosed
bookWriter = new FileWriter(bookmarkWebPage, false);
bookWriter.write(bookmarkBuilder.toString());
} catch (IOException e) {
e.printStackTrace();
} finally {
Utils.close(bookWriter);
}
}
}