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123 lines
5.1 KiB
123 lines
5.1 KiB
/* |
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* Copyright 2014 A.C.R. Development |
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*/ |
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package acr.browser.lightning.constant; |
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import android.app.Application; |
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import android.os.AsyncTask; |
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import android.support.annotation.NonNull; |
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import android.support.annotation.Nullable; |
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import java.io.File; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.lang.ref.WeakReference; |
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import java.util.Iterator; |
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import java.util.List; |
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import acr.browser.lightning.R; |
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import acr.browser.lightning.app.BrowserApp; |
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import acr.browser.lightning.database.HistoryDatabase; |
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import acr.browser.lightning.database.HistoryItem; |
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import acr.browser.lightning.utils.Utils; |
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import acr.browser.lightning.view.LightningView; |
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public class HistoryPage extends AsyncTask<Void, Void, Void> { |
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public static final String FILENAME = "history.html"; |
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private static final String HEADING_1 = "<!DOCTYPE html><html xmlns=\"http://www.w3.org/1999/xhtml\"><head><meta content=\"en-us\" http-equiv=\"Content-Language\" /><meta content=\"text/html; charset=utf-8\" http-equiv=\"Content-Type\" /><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no\"><title>"; |
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private static final String HEADING_2 = "</title></head><style>body { background: #f5f5f5;}.box { vertical-align:middle;position:relative; display: block; margin: 10px;padding-left:10px;padding-right:10px;padding-top:5px;padding-bottom:5px; background-color:#fff;box-shadow: 0px 2px 3px rgba( 0, 0, 0, 0.25 );font-family: Arial;color: #444;font-size: 12px;-moz-border-radius: 2px;-webkit-border-radius: 2px;border-radius: 2px;}.box a { width: 100%; height: 100%; position: absolute; left: 0; top: 0;}.black {color: black;font-size: 15px;font-family: Arial; white-space: nowrap; overflow: hidden;margin:auto; text-overflow: ellipsis; -o-text-overflow: ellipsis; -ms-text-overflow: ellipsis;}.font {color: gray;font-size: 10px;font-family: Arial; white-space: nowrap; overflow: hidden;margin:auto; text-overflow: ellipsis; -o-text-overflow: ellipsis; -ms-text-overflow: ellipsis;}</style><body><div id=\"content\">"; |
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private static final String PART1 = "<div class=\"box\"><a href=\""; |
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private static final String PART2 = "\"></a><p class=\"black\">"; |
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private static final String PART3 = "</p><p class=\"font\">"; |
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private static final String PART4 = "</p></div></div>"; |
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private static final String END = "</div></body></html>"; |
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@NonNull private final WeakReference<LightningView> mTabReference; |
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@NonNull private final Application mApp; |
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@NonNull private final String mTitle; |
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private final HistoryDatabase mHistoryDatabase; |
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@Nullable private String mHistoryUrl = null; |
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public HistoryPage(LightningView tab, @NonNull Application app, HistoryDatabase database) { |
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mTabReference = new WeakReference<>(tab); |
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mApp = app; |
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mTitle = app.getString(R.string.action_history); |
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mHistoryDatabase = database; |
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} |
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@Nullable |
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@Override |
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protected Void doInBackground(Void... params) { |
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mHistoryUrl = getHistoryPage(); |
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return null; |
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} |
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@Override |
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protected void onPostExecute(Void aVoid) { |
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super.onPostExecute(aVoid); |
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LightningView tab = mTabReference.get(); |
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if (tab != null && mHistoryUrl != null) { |
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tab.loadUrl(mHistoryUrl); |
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} |
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} |
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@NonNull |
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private String getHistoryPage() { |
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StringBuilder historyBuilder = new StringBuilder(HEADING_1 + mTitle + HEADING_2); |
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List<HistoryItem> historyList = mHistoryDatabase.getLastHundredItems(); |
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Iterator<HistoryItem> it = historyList.iterator(); |
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HistoryItem helper; |
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while (it.hasNext()) { |
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helper = it.next(); |
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historyBuilder.append(PART1); |
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historyBuilder.append(helper.getUrl()); |
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historyBuilder.append(PART2); |
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historyBuilder.append(helper.getTitle()); |
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historyBuilder.append(PART3); |
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historyBuilder.append(helper.getUrl()); |
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historyBuilder.append(PART4); |
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} |
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historyBuilder.append(END); |
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File historyWebPage = new File(mApp.getFilesDir(), FILENAME); |
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FileWriter historyWriter = null; |
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try { |
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//noinspection IOResourceOpenedButNotSafelyClosed |
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historyWriter = new FileWriter(historyWebPage, false); |
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historyWriter.write(historyBuilder.toString()); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} finally { |
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Utils.close(historyWriter); |
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} |
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return Constants.FILE + historyWebPage; |
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} |
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public void load() { |
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executeOnExecutor(BrowserApp.getIOThread()); |
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} |
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/** |
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* Use this method to immediately delete the history |
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* page on the current thread. This will clear the |
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* cached history page that was stored on file. |
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* |
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* @param application the application object needed to get the file. |
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*/ |
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public static void deleteHistoryPage(@NonNull Application application) { |
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File historyWebPage = new File(application.getFilesDir(), FILENAME); |
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if (historyWebPage.exists()) { |
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historyWebPage.delete(); |
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} |
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} |
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} |