/*
* Copyright (C) 2013 Jack Wakefield
*
* This file is part of TorrentFreak Reader.
*
* TorrentFreak Reader is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* TorrentFreak Reader is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with TorrentFreak Reader. If not, see <http://www.gnu.org/licenses/>.
*/
package com.torrentfreak.reader.free;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.view.ViewGroup.LayoutParams;
import android.webkit.WebView;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.view.MenuItem;
import com.github.rtyley.android.sherlock.roboguice.activity.RoboSherlockPreferenceActivity;
import com.google.inject.Inject;
import com.torrentfreak.reader.free.articles.ArticleStorage;
import de.keyboardsurfer.android.widget.crouton.Crouton;
import de.keyboardsurfer.android.widget.crouton.Style;
public class SettingsActivity extends RoboSherlockPreferenceActivity {
/**
* The activity result used to inform the parent activity the articles have been invalidated.
*/
public static final int RESULT_ARTICLES_INVALIDATED = 1;
/**
* The settings key used when determining whether the user wishes to be prompted when exiting
* the application.
*/
public static final String SETTING_CONFIRM_EXIT = "confirm_exit";
/**
* The settings key used when determining whether the user wishes for articles to be marked
* as read once they've been viewed.
*/
public static final String SETTING_MARK_AS_READ = "mark_as_read";
/**
* The settings key used to clear the article history.
*/
public static final String SETTING_CLEAR_ARTICLE_HISTORY = "clear_article_history";
/**
* The settings key used to clear the saved articles from the article storage database.
*/
public static final String SETTING_CLEAR_SAVED_ARTICLES = "clear_saved_articles";
/**
* The settings key used to clear the WebKit asset cache.
*/
public static final String SETTING_CLEAR_WEB_CACHE = "clear_web_cache";
/**
* The article storage database.
*/
@Inject
private ArticleStorage articleStorage;
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// manually set the window background to the background pattern as no layout is set
getWindow().setBackgroundDrawableResource(R.drawable.background_pattern);
// setup the action bar, enabling the home button and setting the spaced logo
final ActionBar actionBar = getSupportActionBar();
actionBar.setIcon(R.drawable.spaced_logo);
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setTitle(R.string.settings_activity_title);
// add the preference resource to display the application settings
addPreferencesFromResource(R.xml.preferences);
// retrieve the individual button preferences and set the related click listeners
final Preference clearArticleHistory = findPreference(SETTING_CLEAR_ARTICLE_HISTORY);
clearArticleHistory.setOnPreferenceClickListener(onClearArticleHistoryClicked);
final Preference clearArticlesCache = findPreference(SETTING_CLEAR_SAVED_ARTICLES);
clearArticlesCache.setOnPreferenceClickListener(onClearArticlesCacheClicked);
final Preference clearWebCache = findPreference(SETTING_CLEAR_WEB_CACHE);
clearWebCache.setOnPreferenceClickListener(onClearWebCacheClicked);
}
@Override
protected void onDestroy() {
// clear the crouton notifications from the activity
Crouton.clearCroutonsForActivity(this);
super.onDestroy();
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// cloes the activity when the home button is pressed
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
private final OnPreferenceClickListener onClearArticleHistoryClicked
= new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(final Preference preference) {
final AlertDialog.Builder builder = new AlertDialog.Builder(SettingsActivity.this)
.setTitle(R.string.clear_article_history_title)
.setMessage(R.string.clear_article_history_message)
.setNegativeButton(R.string.clear_article_history_negative, null)
.setPositiveButton(R.string.clear_article_history_positive,
new DialogInterface.OnClickListener() {
public void onClick(final DialogInterface dialog, final int which) {
// reset the read status on every stored article effectively clearing the
// article history
articleStorage.setAllArticlesAsUnread();
final Style style = new Style.Builder().setDuration(2000)
.setBackgroundColorValue(getResources().getColor(R.color.crouton_info))
.setHeight(LayoutParams.WRAP_CONTENT).build();
// display a notification informing the user the article history has been
// cleared
Crouton.makeText(SettingsActivity.this, R.string.article_history_cleared,
style).show();
// set the activity result information the parent activity the articles are
// invalidated and must be refreshed if being displayed
setResult(RESULT_ARTICLES_INVALIDATED);
}
}
);
final AlertDialog dialog = builder.create();
dialog.show();
return true;
}
};
private final OnPreferenceClickListener onClearArticlesCacheClicked
= new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(final Preference preference) {
final AlertDialog.Builder builder = new AlertDialog.Builder(SettingsActivity.this)
.setTitle(R.string.clear_article_database_title)
.setMessage(R.string.clear_article_database_message)
.setNegativeButton(R.string.clear_article_database_negative, null)
.setPositiveButton(R.string.clear_article_database_positive,
new DialogInterface.OnClickListener() {
public void onClick(final DialogInterface dialog, final int which) {
// remove all articles from the article storage database
articleStorage.removeAllArticles();
final Style style = new Style.Builder().setDuration(2000)
.setBackgroundColorValue(getResources().getColor(R.color.crouton_info))
.setHeight(LayoutParams.WRAP_CONTENT).build();
// display a notification informing the user the article database has been
// cleared
Crouton.makeText(SettingsActivity.this, R.string.article_database_cleared,
style).show();
// set the activity result information the parent activity the articles are
// invalidated and must be refreshed if being displayed
setResult(RESULT_ARTICLES_INVALIDATED);
}
}
);
final AlertDialog dialog = builder.create();
dialog.show();
return true;
}
};
private final OnPreferenceClickListener onClearWebCacheClicked =
new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(final Preference preference) {
final AlertDialog.Builder builder = new AlertDialog.Builder(SettingsActivity.this)
.setTitle(R.string.clear_web_cache_title)
.setMessage(R.string.clear_web_cache_message)
.setNegativeButton(R.string.clear_web_cache_negative, null)
.setPositiveButton(R.string.clear_web_cache_positive,
new DialogInterface.OnClickListener() {
public void onClick(final DialogInterface dialog, final int which) {
final WebView webView = new WebView(SettingsActivity.this);
webView.clearCache(true);
final Style style = new Style.Builder().setDuration(2000)
.setBackgroundColorValue(getResources().getColor(R.color.crouton_info))
.setHeight(LayoutParams.WRAP_CONTENT).build();
// display a notification informing the user the WebKit asset cache has
// been cleared
Crouton.makeText(SettingsActivity.this, R.string.web_cache_cleared, style)
.show();
}
}
);
final AlertDialog dialog = builder.create();
dialog.show();
return true;
}
};
}