Java tutorial
/* * Copyright 2009 Andrew Shu * * This file is part of "diode". * * "diode" 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. * * "diode" 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 "diode". If not, see <http://www.gnu.org/licenses/>. */ package in.shick.diode.threads; import android.net.Uri; import in.shick.diode.R; import in.shick.diode.comments.CommentsListActivity; import in.shick.diode.comments.SavedCommentsActivity; import in.shick.diode.common.CacheInfo; import in.shick.diode.common.Common; import in.shick.diode.common.Constants; import in.shick.diode.common.RedditIsFunHttpClientFactory; import in.shick.diode.common.tasks.HideTask; import in.shick.diode.common.tasks.SaveTask; import in.shick.diode.common.tasks.VoteTask; import in.shick.diode.common.util.StringUtils; import in.shick.diode.common.util.Util; import in.shick.diode.login.LoginDialog; import in.shick.diode.login.LoginTask; import in.shick.diode.mail.InboxActivity; import in.shick.diode.mail.PeekEnvelopeTask; import in.shick.diode.reddits.PickSubredditActivity; import in.shick.diode.reddits.SubredditInfo; import in.shick.diode.reddits.SubscribeTask; import in.shick.diode.reddits.UnsubscribeTask; import in.shick.diode.search.RedditSearchActivity; import in.shick.diode.settings.RedditPreferencesPage; import in.shick.diode.settings.RedditSettings; import in.shick.diode.submit.SubmitLinkActivity; import in.shick.diode.things.ThingInfo; import in.shick.diode.threads.ShowThumbnailsTask.ThumbnailLoadAction; import in.shick.diode.user.ProfileActivity; import java.beans.PropertyChangeEvent; import java.util.ArrayList; import java.util.List; import java.util.Locale; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.http.client.HttpClient; import org.codehaus.jackson.map.ObjectMapper; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.res.Resources; import android.os.AsyncTask.Status; import android.os.Bundle; import android.text.SpannableString; import android.text.SpannableStringBuilder; import android.text.Spanned; import android.text.style.ForegroundColorSpan; import android.text.style.TextAppearanceSpan; import android.util.Log; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.ContextThemeWrapper; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.Window; import android.webkit.CookieSyncManager; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; /** * Main Activity class representing a Subreddit, i.e., a ThreadsList. * * @author TalkLittle * */ public final class ThreadsListActivity extends ListActivity { // Using a static inner class to solve the issue where thread list // won't refresh/load properly during orientation change. // Mostly followed advise from http://stackoverflow.com/a/3821998/360844 private static class ObjectStates { public MyDownloadThreadsTask mCurrentDownloadThreadsTask = null; public ArrayList<ThingInfo> mThreadsList = null; } private static final String TAG = "ThreadsListActivity"; private final Pattern REDDIT_PATH_PATTERN = Pattern.compile(Constants.REDDIT_PATH_PATTERN_STRING); private final ObjectMapper mObjectMapper = Common.getObjectMapper(); /** Custom list adapter that fits our threads data into the list. */ private ThreadsListAdapter mThreadsAdapter = null; private static final Object THREAD_ADAPTER_LOCK = new Object(); private final HttpClient mClient = RedditIsFunHttpClientFactory.getGzipHttpClient(); private final RedditSettings mSettings = new RedditSettings(); // UI State private ThingInfo mVoteTargetThing = null; private View mNextPreviousView = null; // Navigation that can be cached private String mSubreddit = Constants.FRONTPAGE_STRING; // The after, before, and count to navigate away from current page of results private String mAfter = null; private String mBefore = null; private volatile int mCount = Constants.DEFAULT_THREAD_DOWNLOAD_LIMIT; // The after, before, and count to navigate to current page private String mLastAfter = null; private String mLastBefore = null; private volatile int mLastCount = 0; private String mSortByUrl = Constants.ThreadsSort.SORT_BY_HOT_URL; private String mSortByUrlExtra = ""; private String mJumpToThreadId = null; private Uri mSavedUri = null; // End navigation variables private ObjectStates mObjectStates = null; // Menu private boolean mCanChord = false; //search query, so it can be displayed in the progress bar private String mSearchQuery = null; /** * Called when the activity starts up. Do activity initialization * here, not in a constructor. * * @see Activity#onCreate */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); CookieSyncManager.createInstance(getApplicationContext()); mSettings.loadRedditPreferences(getApplicationContext(), mClient); setRequestedOrientation(mSettings.getRotation()); setTheme(mSettings.getTheme()); requestWindowFeature(Window.FEATURE_PROGRESS); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.threads_list_content); registerForContextMenu(getListView()); if (savedInstanceState != null) { if (Constants.LOGGING) Log.d(TAG, "using savedInstanceState"); mSubreddit = savedInstanceState.getString(Constants.SUBREDDIT_KEY); if (mSubreddit == null) mSubreddit = mSettings.getHomepage(); mAfter = savedInstanceState.getString(Constants.AFTER_KEY); mBefore = savedInstanceState.getString(Constants.BEFORE_KEY); mCount = savedInstanceState.getInt(Constants.THREAD_COUNT_KEY); mLastAfter = savedInstanceState.getString(Constants.LAST_AFTER_KEY); mLastBefore = savedInstanceState.getString(Constants.LAST_BEFORE_KEY); mLastCount = savedInstanceState.getInt(Constants.THREAD_LAST_COUNT_KEY); mSortByUrl = savedInstanceState.getString(Constants.ThreadsSort.SORT_BY_KEY); mJumpToThreadId = savedInstanceState.getString(Constants.JUMP_TO_THREAD_ID_KEY); mSearchQuery = savedInstanceState.getString(Constants.QUERY_KEY); mVoteTargetThing = savedInstanceState.getParcelable(Constants.VOTE_TARGET_THING_INFO_KEY); // try to restore mThreadsList using getLastNonConfigurationInstance() // (separate function to avoid a compiler warning casting ArrayList<ThingInfo> restoreLastNonConfigurationInstance(); if (mObjectStates == null) { mObjectStates = new ObjectStates(); if (mObjectStates.mThreadsList == null) { // Load previous view of threads if (mLastAfter != null) { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit, mLastAfter, null, mLastCount); } else if (mLastBefore != null) { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit, null, mLastBefore, mLastCount); } else { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); } mObjectStates.mCurrentDownloadThreadsTask.execute(); } } else { if (mObjectStates.mCurrentDownloadThreadsTask.getStatus() != Status.FINISHED) { mObjectStates.mCurrentDownloadThreadsTask.attach(this); } else { // Orientation change. Use prior instance. resetUI(new ThreadsListAdapter(this, mObjectStates.mThreadsList)); setWindowTitle(); } } } // Handle subreddit Uri passed via Intent else if (getIntent().getData() != null) { mObjectStates = new ObjectStates(); Matcher redditContextMatcher = REDDIT_PATH_PATTERN.matcher(getIntent().getData().getPath()); if (redditContextMatcher.matches()) { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask( redditContextMatcher.group(1)); } else if (getIntent().getData().toString().toLowerCase().endsWith("/saved.json")) { mSavedUri = getIntent().getData(); mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(getIntent().getData()); } else { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSettings.getHomepage()); } mObjectStates.mCurrentDownloadThreadsTask.execute(); } // No subreddit specified by Intent, so load the user's home reddit else { mObjectStates = new ObjectStates(); mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSettings.getHomepage()); mObjectStates.mCurrentDownloadThreadsTask.execute(); } } private void setWindowTitle() { if (Constants.FRONTPAGE_STRING.equals(mSubreddit)) { setTitle("reddit.com: your homepage"); } else if (Constants.REDDIT_SEARCH_STRING.equals(mSubreddit)) { setTitle(getResources().getString(R.string.search_title_prefix) + mSearchQuery); } else if (Constants.REDDIT_SAVED_STRING.equals(mSubreddit)) { setTitle("Your Saved Posts"); } else { setTitle("/r/" + mSubreddit.trim()); } } @Override protected void onResume() { super.onResume(); int previousTheme = mSettings.getTheme(); mSettings.loadRedditPreferences(this, mClient); if (mSettings.getTheme() != previousTheme) { relaunchActivity(); } else { CookieSyncManager.getInstance().startSync(); setRequestedOrientation(mSettings.getRotation()); updateNextPreviousButtons(); if (mThreadsAdapter != null) jumpToThread(); if (mSettings.isLoggedIn()) new PeekEnvelopeTask(this, mClient, mSettings.getMailNotificationStyle()).execute(); } } private void relaunchActivity() { finish(); startActivity(getIntent()); } @Override protected void onPause() { super.onPause(); CookieSyncManager.getInstance().stopSync(); mSettings.saveRedditPreferences(this); } @Override public Object onRetainNonConfigurationInstance() { // OLD: // Avoid having to re-download and re-parse the threads list // when rotating or opening keyboard. // // NEW: // Now we store mObjectStates instead of just mThreadsList. // This will help in not only preventing to reload mThreadsList, // but also not craping out if we change orientation while threads are loading. if (mObjectStates.mCurrentDownloadThreadsTask != null) { mObjectStates.mCurrentDownloadThreadsTask.detach(); } return (mObjectStates); } @SuppressWarnings("unchecked") private void restoreLastNonConfigurationInstance() { //mThreadsList = (ArrayList<ThingInfo>) getLastNonConfigurationInstance(); mObjectStates = (ObjectStates) getLastNonConfigurationInstance(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent intent) { super.onActivityResult(requestCode, resultCode, intent); switch (requestCode) { //add constant to specify search case Constants.ACTIVITY_PICK_SUBREDDIT: if (resultCode == Activity.RESULT_OK) { Matcher redditContextMatcher = REDDIT_PATH_PATTERN.matcher(intent.getData().getPath()); if (redditContextMatcher.matches()) { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask( redditContextMatcher.group(1)); mObjectStates.mCurrentDownloadThreadsTask.execute(); } } break; case Constants.ACTIVITY_SEARCH_REDDIT: if (resultCode == Activity.RESULT_OK) { //changed it so each piece of data is passed separately as extras in the intent //rather than having to use regex to split apart a string //could probably do away with the "subreddit" field since we're //using a modified constructor anyways mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask( intent.getExtras().getString("searchurl"), intent.getExtras().getString("query"), intent.getExtras().getString("sort")); mObjectStates.mCurrentDownloadThreadsTask.execute(); } break; default: break; } } /** * http://stackoverflow.com/questions/2257963/android-how-to-show-dialog-to-confirm-user-wishes-to-exit-activity */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { //Handle the back button if (mSettings.isConfirmQuitOrLogout() && keyCode == KeyEvent.KEYCODE_BACK && isTaskRoot()) { //Ask the user if they want to quit new AlertDialog.Builder(new ContextThemeWrapper(this, mSettings.getDialogTheme())) .setIcon(android.R.drawable.ic_dialog_alert).setTitle(R.string.quit) .setMessage(R.string.really_quit) .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { //Stop the activity finish(); } }).setNegativeButton(R.string.no, null).show(); return true; } //if the search button is pressed else if (keyCode == KeyEvent.KEYCODE_SEARCH) { //start activity startActivityForResult(new Intent(this, RedditSearchActivity.class), Constants.ACTIVITY_SEARCH_REDDIT); return true; } else { return super.onKeyDown(keyCode, event); } } final class ThreadsListAdapter extends ArrayAdapter<ThingInfo> { static final int THREAD_ITEM_VIEW_TYPE = 0; // The number of view types static final int VIEW_TYPE_COUNT = 1; public boolean mIsLoading = true; private final LayoutInflater mInflater; public ThreadsListAdapter(Context context, List<ThingInfo> objects) { super(context, 0, objects); mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } @Override public int getItemViewType(int position) { if (position == ListView.INVALID_POSITION) { // We don't want the separator view to be recycled. return IGNORE_ITEM_VIEW_TYPE; } return THREAD_ITEM_VIEW_TYPE; } @Override public int getViewTypeCount() { return VIEW_TYPE_COUNT; } @Override public boolean isEmpty() { if (mIsLoading) return false; return super.isEmpty(); } @Override public View getView(int position, View convertView, ViewGroup parent) { View view; // Here view may be passed in for re-use, or we make a new one. if (convertView == null) { view = mInflater.inflate(R.layout.threads_list_item, null); } else { view = convertView; } ThingInfo item = this.getItem(position); // Set the values of the Views for the ThreadsListItem fillThreadsListItemView(position, view, item, ThreadsListActivity.this, mClient, mSettings, mThumbnailOnClickListenerFactory); return view; } } /** * Class to cache the view content information, so it doesn't have to be loaded while the user is * scrolling up and down in the threads list view. * @see <a href="http://developer.android.com/training/improving-layouts/smooth-scrolling.html">this</a> */ private static class ViewHolder { TextView titleView; TextView votesView; TextView numCommentsSubredditView; TextView nsfwView; ImageView voteUpView; ImageView voteDownView; View thumbnailContainer; FrameLayout thumbnailFrame; ImageView thumbnailImageView; ProgressBar indeterminateProgressBar; } public static void fillThreadsListItemView(int position, View view, ThingInfo item, ListActivity activity, HttpClient client, RedditSettings settings, ThumbnailOnClickListenerFactory thumbnailOnClickListenerFactory) { Resources res = activity.getResources(); ViewHolder vh; if (view.getTag() == null) { vh = new ViewHolder(); vh.titleView = (TextView) view.findViewById(R.id.title); vh.votesView = (TextView) view.findViewById(R.id.votes); vh.numCommentsSubredditView = (TextView) view.findViewById(R.id.numCommentsSubreddit); vh.nsfwView = (TextView) view.findViewById(R.id.nsfw); vh.voteUpView = (ImageView) view.findViewById(R.id.vote_up_image); vh.voteDownView = (ImageView) view.findViewById(R.id.vote_down_image); vh.thumbnailContainer = view.findViewById(R.id.thumbnail_view); vh.thumbnailFrame = (FrameLayout) view.findViewById(R.id.thumbnail_frame); vh.thumbnailImageView = (ImageView) view.findViewById(R.id.thumbnail); vh.indeterminateProgressBar = (ProgressBar) view.findViewById(R.id.indeterminate_progress); view.setTag(vh); } else { vh = (ViewHolder) view.getTag(); } // Need to store the Thing's id in the thumbnail image so that the thumbnail loader task // knows that the row is still displaying the requested thumbnail. vh.thumbnailImageView.setTag(item.getId()); // Set the title and domain using a SpannableStringBuilder SpannableStringBuilder builder = new SpannableStringBuilder(); String title = item.getTitle(); if (title == null) title = ""; SpannableString titleSS = new SpannableString(title); int titleLen = title.length(); titleSS.setSpan( new TextAppearanceSpan(activity, Util.getTextAppearanceResource(settings.getTheme(), android.R.style.TextAppearance_Large)), 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); String domain = item.getDomain(); if (domain == null) domain = ""; String flair = item.getLink_flair_text(); if (flair == null) { flair = ""; } else { flair = "[" + flair + "] "; } int domainLen = domain.length() + flair.length(); SpannableString domainSS = new SpannableString(flair + "(" + item.getDomain() + ")"); domainSS.setSpan( new TextAppearanceSpan(activity, Util.getTextAppearanceResource(settings.getTheme(), android.R.style.TextAppearance_Small)), 0, domainLen + 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); if (Util.isLightTheme(settings.getTheme())) { if (item.isClicked()) { ForegroundColorSpan fcs = new ForegroundColorSpan(res.getColor(R.color.purple)); titleSS.setSpan(fcs, 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } else { ForegroundColorSpan fcs = new ForegroundColorSpan(res.getColor(R.color.blue)); titleSS.setSpan(fcs, 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } domainSS.setSpan(new ForegroundColorSpan(res.getColor(R.color.gray_50)), 0, domainLen + 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } else { if (item.isClicked()) { ForegroundColorSpan fcs = new ForegroundColorSpan(res.getColor(R.color.gray_50)); titleSS.setSpan(fcs, 0, titleLen, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } domainSS.setSpan(new ForegroundColorSpan(res.getColor(R.color.gray_75)), 0, domainLen + 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } builder.append(titleSS).append(" ").append(domainSS); vh.titleView.setText(builder); vh.votesView.setText(String.format(Locale.US, "%d", item.getScore())); // Lock icon emoji String preText = item.isLocked() ? "\uD83D\uDD12 " : ""; vh.numCommentsSubredditView .setText(preText + Util.showNumComments(item.getNum_comments()) + " " + item.getSubreddit()); vh.nsfwView.setVisibility(item.isOver_18() ? View.VISIBLE : View.GONE); // Set the up and down arrow colors based on whether user likes if (settings.isLoggedIn()) { if (item.getLikes() == null) { vh.voteUpView.setImageResource(R.drawable.vote_up_gray); vh.voteDownView.setImageResource(R.drawable.vote_down_gray); vh.votesView.setTextColor(res.getColor(R.color.gray_75)); } else if (item.getLikes()) { vh.voteUpView.setImageResource(R.drawable.vote_up_red); vh.voteDownView.setImageResource(R.drawable.vote_down_gray); vh.votesView.setTextColor(res.getColor(R.color.arrow_red)); } else { vh.voteUpView.setImageResource(R.drawable.vote_up_gray); vh.voteDownView.setImageResource(R.drawable.vote_down_blue); vh.votesView.setTextColor(res.getColor(R.color.arrow_blue)); } } else { vh.voteUpView.setImageResource(R.drawable.vote_up_gray); vh.voteDownView.setImageResource(R.drawable.vote_down_gray); vh.votesView.setTextColor(res.getColor(R.color.gray_75)); } // Thumbnails open links if (vh.thumbnailContainer != null) { if (Common.shouldLoadThumbnails(activity, settings)) { vh.thumbnailContainer.setVisibility(View.VISIBLE); if (item.getUrl() != null) { OnClickListener thumbnailOnClickListener = thumbnailOnClickListenerFactory .getThumbnailOnClickListener(item, activity); if (thumbnailOnClickListener != null) { vh.thumbnailFrame.setOnClickListener(thumbnailOnClickListener); } } // Show thumbnail based on ThingInfo if (Constants.NSFW_STRING.equalsIgnoreCase(item.getThumbnail()) || Constants.DEFAULT_STRING.equals(item.getThumbnail()) || Constants.SUBMIT_KIND_SELF.equals(item.getThumbnail()) || StringUtils.isEmpty(item.getThumbnail())) { vh.indeterminateProgressBar.setVisibility(View.GONE); vh.thumbnailImageView.setVisibility(View.VISIBLE); vh.thumbnailImageView.setImageResource(R.drawable.go_arrow); } else { if (item.getThumbnailBitmap() != null) { vh.indeterminateProgressBar.setVisibility(View.GONE); vh.thumbnailImageView.setVisibility(View.VISIBLE); vh.thumbnailImageView.setImageBitmap(item.getThumbnailBitmap()); } else { vh.indeterminateProgressBar.setVisibility(View.VISIBLE); vh.thumbnailImageView.setVisibility(View.GONE); vh.thumbnailImageView.setImageBitmap(null); new ShowThumbnailsTask(activity, client, R.drawable.go_arrow) .execute(new ThumbnailLoadAction(item, vh.thumbnailImageView, position, vh.indeterminateProgressBar)); } } // Set thumbnail background based on current theme if (Util.isLightTheme(settings.getTheme())) vh.thumbnailFrame.setBackgroundResource(R.drawable.thumbnail_background_light); else vh.thumbnailFrame.setBackgroundResource(R.drawable.thumbnail_background_dark); } else { // if thumbnails disabled, hide thumbnail icon vh.thumbnailContainer.setVisibility(View.GONE); } } } public static void fillThreadClickDialog(Dialog dialog, ThingInfo thingInfo, RedditSettings settings, ThreadClickDialogOnClickListenerFactory threadClickDialogOnClickListenerFactory) { final TextView titleView = (TextView) dialog.findViewById(R.id.title); final TextView urlView = (TextView) dialog.findViewById(R.id.url); final TextView submissionStuffView = (TextView) dialog .findViewById(R.id.submissionTime_submitter_subreddit); final Button loginButton = (Button) dialog.findViewById(R.id.login_button); final Button linkButton = (Button) dialog.findViewById(R.id.thread_link_button); final Button commentsButton = (Button) dialog.findViewById(R.id.thread_comments_button); titleView.setText(thingInfo.getTitle()); urlView.setText(thingInfo.getUrl()); StringBuilder sb = new StringBuilder( Util.getTimeAgo(thingInfo.getCreated_utc(), dialog.getContext().getResources())).append(" by ") .append(thingInfo.getAuthor()).append(" to ").append(thingInfo.getSubreddit()); submissionStuffView.setText(sb); // Only show upvote/downvote if user is logged in if (settings.isLoggedIn()) { loginButton.setVisibility(View.GONE); } else { loginButton.setVisibility(View.VISIBLE); loginButton.setOnClickListener(threadClickDialogOnClickListenerFactory.getLoginOnClickListener()); } Util.setStateOfUpvoteDownvoteButtons(dialog, settings.isLoggedIn(), thingInfo, threadClickDialogOnClickListenerFactory.getVoteUpOnCheckedChangeListener(thingInfo), threadClickDialogOnClickListenerFactory.getVoteDownOnCheckedChangeListener(thingInfo)); // "link" button behaves differently for regular links vs. self posts and links to comments pages (e.g., bestof) if (thingInfo.isIs_self()) { // It's a self post. Both buttons do the same thing. linkButton.setEnabled(false); } else { linkButton.setOnClickListener(threadClickDialogOnClickListenerFactory.getLinkOnClickListener(thingInfo, settings.isUseExternalBrowser())); linkButton.setEnabled(true); } // "comments" button is easy: always does the same thing commentsButton .setOnClickListener(threadClickDialogOnClickListenerFactory.getCommentsOnClickListener(thingInfo)); } /** * Jump to thread whose id is mJumpToThreadId. Then clear mJumpToThreadId. */ private void jumpToThread() { if (mJumpToThreadId == null || mThreadsAdapter == null) return; for (int k = 0; k < mThreadsAdapter.getCount(); k++) { if (mJumpToThreadId.equals(mThreadsAdapter.getItem(k).getId())) { getListView().setSelection(k); mJumpToThreadId = null; break; } } } /** * Called when user clicks an item in the list. Starts an activity to * open the url for that item. */ @Override protected void onListItemClick(ListView l, View v, int position, long id) { ThingInfo item = mThreadsAdapter.getItem(position); // Mark the thread as selected mVoteTargetThing = item; mJumpToThreadId = item.getId(); showDialog(Constants.DIALOG_THREAD_CLICK); } /** * Resets the output UI list contents, retains session state. * @param threadsAdapter A ThreadsListAdapter to use. Pass in null if you want a new empty one created. */ void resetUI(ThreadsListAdapter threadsAdapter) { findViewById(R.id.loading_light).setVisibility(View.GONE); findViewById(R.id.loading_dark).setVisibility(View.GONE); if (mSettings.isAlwaysShowNextPrevious()) { if (mNextPreviousView != null) { getListView().removeFooterView(mNextPreviousView); mNextPreviousView = null; } } else { findViewById(R.id.next_previous_layout).setVisibility(View.GONE); if (getListView().getFooterViewsCount() == 0) { // If we are not using the persistent navbar, then show as ListView footer instead LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); mNextPreviousView = inflater.inflate(R.layout.next_previous_list_item, null); getListView().addFooterView(mNextPreviousView); } } synchronized (THREAD_ADAPTER_LOCK) { if (threadsAdapter == null) { // Reset the list to be empty. mObjectStates.mThreadsList = new ArrayList<ThingInfo>(); mThreadsAdapter = new ThreadsListAdapter(this, mObjectStates.mThreadsList); } else { mThreadsAdapter = threadsAdapter; } setListAdapter(mThreadsAdapter); mThreadsAdapter.mIsLoading = false; mThreadsAdapter.notifyDataSetChanged(); // Just in case } Common.updateListDrawables(this, mSettings.getTheme()); updateNextPreviousButtons(); } private void enableLoadingScreen() { if (Util.isLightTheme(mSettings.getTheme())) { findViewById(R.id.loading_light).setVisibility(View.VISIBLE); findViewById(R.id.loading_dark).setVisibility(View.GONE); } else { findViewById(R.id.loading_light).setVisibility(View.GONE); findViewById(R.id.loading_dark).setVisibility(View.VISIBLE); } synchronized (THREAD_ADAPTER_LOCK) { if (mThreadsAdapter != null) mThreadsAdapter.mIsLoading = true; } getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_START); } private void disableLoadingScreen() { resetUI(mThreadsAdapter); getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_END); } private void updateNextPreviousButtons() { Common.updateNextPreviousButtons(this, mNextPreviousView, mAfter, mBefore, mCount, mSettings, downloadAfterOnClickListener, downloadBeforeOnClickListener); } private class MyDownloadThreadsTask extends DownloadThreadsTask { ThreadsListActivity threadListActivity = null; /** * Given a subreddit name string, starts the threadlist-download-thread going. * * @param subreddit The name of a subreddit ("android", "gaming", etc.) * If the number of elements in subreddit is >= 2, treat 2nd element as "after" */ public MyDownloadThreadsTask(String subreddit) { super(getApplicationContext(), ThreadsListActivity.this.mClient, ThreadsListActivity.this.mObjectMapper, ThreadsListActivity.this.mSortByUrl, ThreadsListActivity.this.mSortByUrlExtra, subreddit); attach(ThreadsListActivity.this); } public MyDownloadThreadsTask(String subreddit, String query, String sort) { super(getApplicationContext(), ThreadsListActivity.this.mClient, ThreadsListActivity.this.mObjectMapper, ThreadsListActivity.this.mSortByUrl, ThreadsListActivity.this.mSortByUrlExtra, subreddit, query, sort); attach(ThreadsListActivity.this); } public MyDownloadThreadsTask(Uri savedURI) { super(getApplicationContext(), ThreadsListActivity.this.mClient, ThreadsListActivity.this.mObjectMapper, ThreadsListActivity.this.mSortByUrl, ThreadsListActivity.this.mSortByUrlExtra, Constants.REDDIT_SAVED_STRING, savedURI); attach(ThreadsListActivity.this); } public MyDownloadThreadsTask(Uri savedURI, String after, String before, int count) { super(getApplicationContext(), ThreadsListActivity.this.mClient, ThreadsListActivity.this.mObjectMapper, ThreadsListActivity.this.mSortByUrl, ThreadsListActivity.this.mSortByUrlExtra, Constants.REDDIT_SAVED_STRING, savedURI, after, before, count); attach(ThreadsListActivity.this); } public MyDownloadThreadsTask(String subreddit, String after, String before, int count) { super(getApplicationContext(), ThreadsListActivity.this.mClient, ThreadsListActivity.this.mObjectMapper, ThreadsListActivity.this.mSortByUrl, ThreadsListActivity.this.mSortByUrlExtra, subreddit, after, before, count); attach(ThreadsListActivity.this); } @Override protected void saveState() { mSettings.setModhash(mModhash); ThreadsListActivity.this.mSubreddit = mSubreddit; ThreadsListActivity.this.mSearchQuery = mSearchQuery; ThreadsListActivity.this.mLastAfter = mLastAfter; ThreadsListActivity.this.mLastBefore = mLastBefore; ThreadsListActivity.this.mLastCount = mLastCount; ThreadsListActivity.this.mAfter = mAfter; ThreadsListActivity.this.mBefore = mBefore; ThreadsListActivity.this.mCount = mCount; ThreadsListActivity.this.mSortByUrl = mSortByUrl; ThreadsListActivity.this.mSortByUrlExtra = mSortByUrlExtra; ThreadsListActivity.this.mSavedUri = mDTTSavedURI; } @Override public void onPreExecute() { resetUI(null); enableLoadingScreen(); if (mContentLength == -1) { getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_INDETERMINATE_ON); } else { getWindow().setFeatureInt(Window.FEATURE_PROGRESS, 0); } } @Override public void onPostExecute(Boolean success) { setWindowTitle(); threadListActivity.disableLoadingScreen(); if (mContentLength == -1) getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_INDETERMINATE_OFF); else getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_END); if (success) { synchronized (THREAD_ADAPTER_LOCK) { mObjectStates.mThreadsList.addAll(mThingInfos); threadListActivity.mThreadsAdapter.notifyDataSetChanged(); } threadListActivity.updateNextPreviousButtons(); // Point the list to last thread user was looking at, if any threadListActivity.jumpToThread(); } else { if (!isCancelled()) Common.showErrorToast(mUserError, Toast.LENGTH_LONG, ThreadsListActivity.this); } } void detach() { if (Constants.LOGGING) Log.d(TAG, "MyDownloadsThreadsTask: Activity detached."); threadListActivity = null; } void attach(ThreadsListActivity activity) { if (Constants.LOGGING) Log.d(TAG, "MyDownloadsThreadsTask: Activity attached."); threadListActivity = activity; } @Override public void onProgressUpdate(Long... progress) { if (mContentLength == -1) { getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_INDETERMINATE_ON); } else { getWindow().setFeatureInt(Window.FEATURE_PROGRESS, progress[0].intValue() * (Window.PROGRESS_END - 1) / (int) mContentLength); } } public void propertyChange(PropertyChangeEvent event) { publishProgress((Long) event.getNewValue()); } } private class MyLoginTask extends LoginTask { public MyLoginTask(String username, String password) { super(username, password, mSettings, mClient, getApplicationContext()); } @Override protected void onPreExecute() { showDialog(Constants.DIALOG_LOGGING_IN); } @Override protected void onPostExecute(Boolean success) { removeDialog(Constants.DIALOG_LOGGING_IN); if (success) { Toast.makeText(ThreadsListActivity.this, "Logged in as " + mUsername, Toast.LENGTH_SHORT).show(); // Check mail new PeekEnvelopeTask(getApplicationContext(), mClient, mSettings.getMailNotificationStyle()) .execute(); // Refresh the threads list mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); mObjectStates.mCurrentDownloadThreadsTask.execute(); } else { Common.showErrorToast(mUserError, Toast.LENGTH_LONG, ThreadsListActivity.this); } } } private class MyVoteTask extends VoteTask { private int _mPreviousScore; private Boolean _mPreviousLikes; private final ThingInfo _mTargetThingInfo; public MyVoteTask(ThingInfo thingInfo, int direction, String subreddit) { super(thingInfo.getName(), direction, subreddit, getApplicationContext(), mSettings, mClient); _mTargetThingInfo = thingInfo; _mPreviousScore = thingInfo.getScore(); _mPreviousLikes = thingInfo.getLikes(); } @Override public void onPreExecute() { if (!_mSettings.isLoggedIn()) { Common.showErrorToast("You must be logged in to vote.", Toast.LENGTH_LONG, _mContext); cancel(true); return; } if (_mDirection < -1 || _mDirection > 1) { if (Constants.LOGGING) Log.e(TAG, "WTF: _mDirection = " + _mDirection); throw new RuntimeException("How the hell did you vote something besides -1, 0, or 1?"); } int newScore; Boolean newLikes; _mPreviousScore = _mTargetThingInfo.getScore(); _mPreviousLikes = _mTargetThingInfo.getLikes(); if (_mPreviousLikes == null) { if (_mDirection == 1) { newScore = _mPreviousScore + 1; newLikes = true; } else if (_mDirection == -1) { newScore = _mPreviousScore - 1; newLikes = false; } else { cancel(true); return; } } else if (_mPreviousLikes) { if (_mDirection == 0) { newScore = _mPreviousScore - 1; newLikes = null; } else if (_mDirection == -1) { newScore = _mPreviousScore - 2; newLikes = false; } else { cancel(true); return; } } else { if (_mDirection == 1) { newScore = _mPreviousScore + 2; newLikes = true; } else if (_mDirection == 0) { newScore = _mPreviousScore + 1; newLikes = null; } else { cancel(true); return; } } _mTargetThingInfo.setLikes(newLikes); _mTargetThingInfo.setScore(newScore); mThreadsAdapter.notifyDataSetChanged(); } @Override public void onPostExecute(Boolean success) { if (success) { CacheInfo.invalidateCachedSubreddit(_mContext); } else { // Vote failed. Undo the score. _mTargetThingInfo.setLikes(_mPreviousLikes); _mTargetThingInfo.setScore(_mPreviousScore); mThreadsAdapter.notifyDataSetChanged(); Common.showErrorToast(_mUserError, Toast.LENGTH_LONG, _mContext); } } } private final class MyHideTask extends HideTask { public MyHideTask(boolean hide, ThingInfo mVoteTargetThreadInfo, RedditSettings mSettings, Context mContext) { super(hide, mVoteTargetThreadInfo, mSettings, mContext); } @Override public void onPostExecute(Boolean success) { // super shows error on success==false super.onPostExecute(success); if (success) { synchronized (THREAD_ADAPTER_LOCK) { // Remove from list even if unhiding--because the only place you can // unhide from is the list of Hidden threads. mThreadsAdapter.remove(mTargetThreadInfo); mThreadsAdapter.notifyDataSetChanged(); } } } } /** * Populates the menu. */ @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.subreddit, menu); return true; } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); AdapterView.AdapterContextMenuInfo info; info = (AdapterView.AdapterContextMenuInfo) menuInfo; ThingInfo _item = mThreadsAdapter.getItem(info.position); mVoteTargetThing = _item; menu.add(0, Constants.VIEW_SUBREDDIT_CONTEXT_ITEM, 0, R.string.view_subreddit); menu.add(0, Constants.SHARE_CONTEXT_ITEM, 0, R.string.share); menu.add(0, Constants.OPEN_IN_BROWSER_CONTEXT_ITEM, 0, R.string.open_browser); if (mSettings.isLoggedIn()) { if (!_item.isSaved()) { menu.add(0, Constants.SAVE_CONTEXT_ITEM, 0, "Save"); } else { menu.add(0, Constants.UNSAVE_CONTEXT_ITEM, 0, "Unsave"); } menu.add(0, Constants.HIDE_CONTEXT_ITEM, 0, "Hide"); } // Make sure the user isn't '[deleted]' if (!_item.isDeletedUser()) { menu.add(0, Constants.DIALOG_VIEW_PROFILE, Menu.NONE, String.format(getResources().getString(R.string.user_profile), _item.getAuthor())); } } @Override public boolean onContextItemSelected(MenuItem item) { AdapterView.AdapterContextMenuInfo info; info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo(); ThingInfo _item = mThreadsAdapter.getItem(info.position); switch (item.getItemId()) { case Constants.VIEW_SUBREDDIT_CONTEXT_ITEM: mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(_item.getSubreddit()); mObjectStates.mCurrentDownloadThreadsTask.execute(); return true; case Constants.SHARE_CONTEXT_ITEM: Intent intent = new Intent(); intent.setAction(Intent.ACTION_SEND); intent.setType("text/plain"); intent.putExtra(Intent.EXTRA_TEXT, _item.getUrl()); intent.putExtra(Intent.EXTRA_SUBJECT, _item.getTitle()); try { startActivity(Intent.createChooser(intent, "Share Link")); } catch (android.content.ActivityNotFoundException ex) { if (Constants.LOGGING) Log.e(TAG, "Share Link", ex); } return true; case Constants.OPEN_IN_BROWSER_CONTEXT_ITEM: setLinkClicked(_item); Common.launchBrowser(mSettings, this, _item.getUrl(), Util.createThreadUri(_item).toString(), false, true, true, mSettings.isSaveHistory()); return true; case Constants.SAVE_CONTEXT_ITEM: new SaveTask(true, _item, mSettings, getApplicationContext()).execute(); return true; case Constants.UNSAVE_CONTEXT_ITEM: new SaveTask(false, _item, mSettings, getApplicationContext()).execute(); return true; case Constants.HIDE_CONTEXT_ITEM: new MyHideTask(true, _item, mSettings, getApplicationContext()).execute(); return true; case Constants.UNHIDE_CONTEXT_ITEM: new MyHideTask(false, _item, mSettings, getApplicationContext()).execute(); case Constants.DIALOG_VIEW_PROFILE: assert (!_item.isDeletedUser()); Intent i = new Intent(this, ProfileActivity.class); i.setData(Util.createProfileUri(_item.getAuthor())); startActivity(i); return true; default: return super.onContextItemSelected(item); } } @Override public boolean onPrepareOptionsMenu(Menu menu) { // This happens when the user begins to hold down the menu key, so // allow them to chord to get a shortcut. mCanChord = true; super.onPrepareOptionsMenu(menu); MenuItem src, dest; // Login/Logout if (mSettings.isLoggedIn()) { menu.findItem(R.id.login_menu_id).setVisible(false); if (!mSubreddit.equals(Constants.FRONTPAGE_STRING)) { if (!mSubreddit.equals(Constants.REDDIT_SAVED_STRING)) { ArrayList<SubredditInfo> mSubredditsList = CacheInfo .getCachedSubredditList(getApplicationContext()); SubredditInfo key = new SubredditInfo(); key.name = mSubreddit; if (mSubredditsList != null && mSubredditsList.contains(key)) { menu.findItem(R.id.unsubscribe_menu_id).setVisible(true); menu.findItem(R.id.subscribe_menu_id).setVisible(false); } else { menu.findItem(R.id.subscribe_menu_id).setVisible(true); menu.findItem(R.id.unsubscribe_menu_id).setVisible(false); } menu.findItem(R.id.sort_by_menu_id).setVisible(true); menu.findItem(R.id.open_browser_menu_id).setVisible(true); } else { // These menu items make no sense when viewing the saved posts. menu.findItem(R.id.unsubscribe_menu_id).setVisible(false); menu.findItem(R.id.subscribe_menu_id).setVisible(false); menu.findItem(R.id.sort_by_menu_id).setVisible(false); menu.findItem(R.id.open_browser_menu_id).setVisible(false); } } menu.findItem(R.id.inbox_menu_id).setVisible(true); menu.findItem(R.id.user_profile_menu_id).setVisible(true); menu.findItem(R.id.user_profile_menu_id).setTitle( String.format(getResources().getString(R.string.user_profile), mSettings.getUsername())); menu.findItem(R.id.logout_menu_id).setVisible(true); menu.findItem(R.id.logout_menu_id) .setTitle(String.format(getResources().getString(R.string.logout), mSettings.getUsername())); menu.findItem(R.id.saved_comments_menu_id).setVisible(true); } else { menu.findItem(R.id.login_menu_id).setVisible(true); menu.findItem(R.id.unsubscribe_menu_id).setVisible(false); menu.findItem(R.id.subscribe_menu_id).setVisible(false); menu.findItem(R.id.inbox_menu_id).setVisible(false); menu.findItem(R.id.user_profile_menu_id).setVisible(false); menu.findItem(R.id.logout_menu_id).setVisible(false); menu.findItem(R.id.saved_comments_menu_id).setVisible(false); } // Theme: Light/Dark src = Util.isLightTheme(mSettings.getTheme()) ? menu.findItem(R.id.dark_menu_id) : menu.findItem(R.id.light_menu_id); dest = menu.findItem(R.id.light_dark_menu_id); dest.setTitle(src.getTitle()); // Sort if (Constants.ThreadsSort.SORT_BY_HOT_URL.equals(mSortByUrl)) src = menu.findItem(R.id.sort_by_hot_menu_id); else if (Constants.ThreadsSort.SORT_BY_NEW_URL.equals(mSortByUrl)) src = menu.findItem(R.id.sort_by_new_menu_id); else if (Constants.ThreadsSort.SORT_BY_CONTROVERSIAL_URL.equals(mSortByUrl)) src = menu.findItem(R.id.sort_by_controversial_menu_id); else if (Constants.ThreadsSort.SORT_BY_TOP_URL.equals(mSortByUrl)) src = menu.findItem(R.id.sort_by_top_menu_id); dest = menu.findItem(R.id.sort_by_menu_id); dest.setTitle(src.getTitle()); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (!mCanChord) { // The user has already fired a shortcut with this hold down of the // menu key. return false; } switch (item.getItemId()) { case R.id.pick_subreddit_menu_id: Intent pickSubredditIntent = new Intent(getApplicationContext(), PickSubredditActivity.class); startActivityForResult(pickSubredditIntent, Constants.ACTIVITY_PICK_SUBREDDIT); break; case R.id.login_menu_id: showDialog(Constants.DIALOG_LOGIN); break; case R.id.logout_menu_id: if (mSettings.isConfirmQuitOrLogout()) { // Ask the user if they want to logout new AlertDialog.Builder(new ContextThemeWrapper(this, mSettings.getDialogTheme())) .setIcon(android.R.drawable.ic_dialog_alert).setTitle(R.string.confirm_logout_title) .setMessage(R.string.confirm_logout) .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { ThreadsListActivity.this.logout(); } }).setNegativeButton(R.string.no, null).show(); } else { logout(); } break; case R.id.refresh_menu_id: CacheInfo.invalidateCachedSubreddit(getApplicationContext()); if (mSavedUri == null) { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); } else { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSavedUri); } mObjectStates.mCurrentDownloadThreadsTask.execute(); break; case R.id.submit_link_menu_id: Intent submitLinkIntent = new Intent(getApplicationContext(), SubmitLinkActivity.class); submitLinkIntent.setData(Util.createSubmitUri(mSubreddit)); startActivity(submitLinkIntent); break; case R.id.sort_by_menu_id: showDialog(Constants.DIALOG_SORT_BY); break; case R.id.open_browser_menu_id: String url; if (mSubreddit.equals(Constants.FRONTPAGE_STRING)) url = Constants.REDDIT_BASE_URL; else url = Constants.REDDIT_BASE_URL + "/r/" + mSubreddit; Common.launchBrowser(mSettings, this, url, null, false, true, true, false); break; case R.id.light_dark_menu_id: mSettings.setTheme(Util.getInvertedTheme(mSettings.getTheme())); relaunchActivity(); break; case R.id.inbox_menu_id: Intent inboxIntent = new Intent(getApplicationContext(), InboxActivity.class); startActivity(inboxIntent); break; case R.id.user_profile_menu_id: Intent profileIntent = new Intent(getApplicationContext(), ProfileActivity.class); startActivity(profileIntent); break; case R.id.preferences_menu_id: Intent prefsIntent = new Intent(getApplicationContext(), RedditPreferencesPage.class); startActivity(prefsIntent); break; case R.id.subscribe_menu_id: CacheInfo.invalidateCachedSubreddit(getApplicationContext()); new SubscribeTask(mSubreddit, getApplicationContext(), mSettings).execute(); break; case R.id.unsubscribe_menu_id: CacheInfo.invalidateCachedSubreddit(getApplicationContext()); new UnsubscribeTask(mSubreddit, getApplicationContext(), mSettings).execute(); break; case android.R.id.home: Common.goHome(this); break; case R.id.search: startActivityForResult(new Intent(this, RedditSearchActivity.class), Constants.ACTIVITY_SEARCH_REDDIT); break; case R.id.saved_comments_menu_id: Intent toSC = new Intent(getApplicationContext(), SavedCommentsActivity.class); startActivity(toSC); //Toast.makeText(ThreadsListActivity.this, "This is a test", Toast.LENGTH_LONG).show(); break; default: throw new IllegalArgumentException("Unexpected action value " + item.getItemId()); } return true; } private void logout() { Common.doLogout(mSettings, mClient, getApplicationContext()); Toast.makeText(this, "You have been logged out.", Toast.LENGTH_SHORT).show(); mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); mObjectStates.mCurrentDownloadThreadsTask.execute(); } @Override protected Dialog onCreateDialog(int id) { Dialog dialog; ProgressDialog pdialog; AlertDialog.Builder builder; switch (id) { case Constants.DIALOG_LOGIN: dialog = new LoginDialog(this, mSettings, false) { public void onLoginChosen(String user, String password) { removeDialog(Constants.DIALOG_LOGIN); new MyLoginTask(user, password).execute(); } }; break; case Constants.DIALOG_THREAD_CLICK: dialog = new ThreadClickDialog(this, mSettings); break; case Constants.DIALOG_SORT_BY: builder = new AlertDialog.Builder(new ContextThemeWrapper(this, mSettings.getDialogTheme())); builder.setTitle("Sort by:"); builder.setSingleChoiceItems(Constants.ThreadsSort.SORT_BY_CHOICES, getSelectedSortBy(), sortByOnClickListener); dialog = builder.create(); break; case Constants.DIALOG_SORT_BY_NEW: builder = new AlertDialog.Builder(new ContextThemeWrapper(this, mSettings.getDialogTheme())); builder.setTitle("what's new"); builder.setSingleChoiceItems(Constants.ThreadsSort.SORT_BY_NEW_CHOICES, getSelectedSortByNew(), sortByNewOnClickListener); dialog = builder.create(); break; case Constants.DIALOG_SORT_BY_CONTROVERSIAL: builder = new AlertDialog.Builder(new ContextThemeWrapper(this, mSettings.getDialogTheme())); builder.setTitle("most controversial"); builder.setSingleChoiceItems(Constants.ThreadsSort.SORT_BY_CONTROVERSIAL_CHOICES, getSelectedSortByControversial(), sortByControversialOnClickListener); dialog = builder.create(); break; case Constants.DIALOG_SORT_BY_TOP: builder = new AlertDialog.Builder(new ContextThemeWrapper(this, mSettings.getDialogTheme())); builder.setTitle("top scoring"); builder.setSingleChoiceItems(Constants.ThreadsSort.SORT_BY_TOP_CHOICES, getSelectedSortByTop(), sortByTopOnClickListener); dialog = builder.create(); break; // "Please wait" case Constants.DIALOG_LOGGING_IN: pdialog = new ProgressDialog(new ContextThemeWrapper(this, mSettings.getDialogTheme())); pdialog.setMessage("Logging in..."); pdialog.setIndeterminate(true); pdialog.setCancelable(true); dialog = pdialog; break; default: throw new IllegalArgumentException("Unexpected dialog id " + id); } return dialog; } @Override protected void onPrepareDialog(int id, Dialog dialog) { super.onPrepareDialog(id, dialog); switch (id) { case Constants.DIALOG_LOGIN: if (mSettings.getUsername() != null) { final TextView loginUsernameInput = (TextView) dialog.findViewById(R.id.login_username_input); loginUsernameInput.setText(mSettings.getUsername()); } final TextView loginPasswordInput = (TextView) dialog.findViewById(R.id.login_password_input); loginPasswordInput.setText(""); break; case Constants.DIALOG_THREAD_CLICK: if (mVoteTargetThing == null) break; fillThreadClickDialog(dialog, mVoteTargetThing, mSettings, mThreadClickDialogOnClickListenerFactory); break; case Constants.DIALOG_SORT_BY: ((AlertDialog) dialog).getListView().setItemChecked(getSelectedSortBy(), true); break; case Constants.DIALOG_SORT_BY_NEW: ((AlertDialog) dialog).getListView().setItemChecked(getSelectedSortByNew(), true); break; case Constants.DIALOG_SORT_BY_CONTROVERSIAL: ((AlertDialog) dialog).getListView().setItemChecked(getSelectedSortByControversial(), true); break; case Constants.DIALOG_SORT_BY_TOP: ((AlertDialog) dialog).getListView().setItemChecked(getSelectedSortByTop(), true); break; default: // No preparation based on app state is required. break; } } private int getSelectedSortBy() { for (int i = 0; i < Constants.ThreadsSort.SORT_BY_URL_CHOICES.length; i++) { if (Constants.ThreadsSort.SORT_BY_URL_CHOICES[i].equals(mSortByUrl)) { return i; } } return -1; } private int getSelectedSortByNew() { for (int i = 0; i < Constants.ThreadsSort.SORT_BY_NEW_URL_CHOICES.length; i++) { if (Constants.ThreadsSort.SORT_BY_NEW_URL_CHOICES[i].equals(mSortByUrlExtra)) { return i; } } return -1; } private int getSelectedSortByControversial() { for (int i = 0; i < Constants.ThreadsSort.SORT_BY_CONTROVERSIAL_URL_CHOICES.length; i++) { if (Constants.ThreadsSort.SORT_BY_CONTROVERSIAL_URL_CHOICES[i].equals(mSortByUrlExtra)) { return i; } } return -1; } private int getSelectedSortByTop() { for (int i = 0; i < Constants.ThreadsSort.SORT_BY_TOP_URL_CHOICES.length; i++) { if (Constants.ThreadsSort.SORT_BY_TOP_URL_CHOICES[i].equals(mSortByUrlExtra)) { return i; } } return -1; } private final OnClickListener downloadAfterOnClickListener = new OnClickListener() { public void onClick(View v) { if (mSavedUri == null) { new MyDownloadThreadsTask(mSubreddit, mAfter, null, mCount).execute(); } else { new MyDownloadThreadsTask(mSavedUri, mAfter, null, mCount).execute(); } } }; private final OnClickListener downloadBeforeOnClickListener = new OnClickListener() { public void onClick(View v) { if (mSavedUri == null) { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit, null, mBefore, mCount); } else { mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSavedUri, null, mBefore, mCount); } mObjectStates.mCurrentDownloadThreadsTask.execute(); } }; private final DialogInterface.OnClickListener sortByOnClickListener = new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { dialog.dismiss(); String itemString = Constants.ThreadsSort.SORT_BY_CHOICES[item]; if (Constants.ThreadsSort.SORT_BY_HOT.equals(itemString)) { mSortByUrl = Constants.ThreadsSort.SORT_BY_HOT_URL; mSortByUrlExtra = ""; mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); mObjectStates.mCurrentDownloadThreadsTask.execute(); } else if (Constants.ThreadsSort.SORT_BY_NEW.equals(itemString)) { showDialog(Constants.DIALOG_SORT_BY_NEW); } else if (Constants.ThreadsSort.SORT_BY_CONTROVERSIAL.equals(itemString)) { showDialog(Constants.DIALOG_SORT_BY_CONTROVERSIAL); } else if (Constants.ThreadsSort.SORT_BY_TOP.equals(itemString)) { showDialog(Constants.DIALOG_SORT_BY_TOP); } } }; private final DialogInterface.OnClickListener sortByNewOnClickListener = new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { dialog.dismiss(); mSortByUrl = Constants.ThreadsSort.SORT_BY_NEW_URL; mSortByUrlExtra = Constants.ThreadsSort.SORT_BY_NEW_URL_CHOICES[item]; mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); mObjectStates.mCurrentDownloadThreadsTask.execute(); } }; private final DialogInterface.OnClickListener sortByControversialOnClickListener = new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { dialog.dismiss(); mSortByUrl = Constants.ThreadsSort.SORT_BY_CONTROVERSIAL_URL; mSortByUrlExtra = Constants.ThreadsSort.SORT_BY_CONTROVERSIAL_URL_CHOICES[item]; mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); mObjectStates.mCurrentDownloadThreadsTask.execute(); } }; private final DialogInterface.OnClickListener sortByTopOnClickListener = new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { dialog.dismiss(); mSortByUrl = Constants.ThreadsSort.SORT_BY_TOP_URL; mSortByUrlExtra = Constants.ThreadsSort.SORT_BY_TOP_URL_CHOICES[item]; mObjectStates.mCurrentDownloadThreadsTask = new MyDownloadThreadsTask(mSubreddit); mObjectStates.mCurrentDownloadThreadsTask.execute(); } }; private final ThumbnailOnClickListenerFactory mThumbnailOnClickListenerFactory = new ThumbnailOnClickListenerFactory() { @Override public OnClickListener getThumbnailOnClickListener(final ThingInfo threadThingInfo, final Activity activity) { return new OnClickListener() { public void onClick(View v) { mJumpToThreadId = threadThingInfo.getId(); setLinkClicked(threadThingInfo); Common.launchBrowser(mSettings, activity, threadThingInfo.getUrl(), Util.createThreadUri(threadThingInfo).toString(), false, false, mSettings.isUseExternalBrowser(), mSettings.isSaveHistory()); } }; } }; private final ThreadClickDialogOnClickListenerFactory mThreadClickDialogOnClickListenerFactory = new ThreadClickDialogOnClickListenerFactory() { @Override public OnClickListener getLoginOnClickListener() { return new OnClickListener() { public void onClick(View v) { removeDialog(Constants.DIALOG_THREAD_CLICK); showDialog(Constants.DIALOG_LOGIN); } }; } @Override public OnClickListener getLinkOnClickListener(final ThingInfo thingInfo, final boolean useExternalBrowser) { return new OnClickListener() { public void onClick(View v) { removeDialog(Constants.DIALOG_THREAD_CLICK); setLinkClicked(thingInfo); Common.launchBrowser(mSettings, ThreadsListActivity.this, thingInfo.getUrl(), Util.createThreadUri(thingInfo).toString(), false, false, useExternalBrowser, mSettings.isSaveHistory()); } }; } @Override public OnClickListener getCommentsOnClickListener(final ThingInfo thingInfo) { return new OnClickListener() { public void onClick(View v) { removeDialog(Constants.DIALOG_THREAD_CLICK); CacheInfo.invalidateCachedThread(ThreadsListActivity.this); // Launch an Intent for CommentsListActivity Intent i = new Intent(ThreadsListActivity.this, CommentsListActivity.class); i.setData(Util.createThreadUri(thingInfo)); i.putExtra(Constants.EXTRA_SUBREDDIT, thingInfo.getSubreddit()); i.putExtra(Constants.EXTRA_TITLE, thingInfo.getTitle()); i.putExtra(Constants.EXTRA_NUM_COMMENTS, Integer.valueOf(thingInfo.getNum_comments())); startActivity(i); } }; } @Override public CompoundButton.OnCheckedChangeListener getVoteUpOnCheckedChangeListener(final ThingInfo thingInfo) { return new CompoundButton.OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { removeDialog(Constants.DIALOG_THREAD_CLICK); if (isChecked) { new MyVoteTask(thingInfo, 1, thingInfo.getSubreddit()).execute(); } else { new MyVoteTask(thingInfo, 0, thingInfo.getSubreddit()).execute(); } } }; } @Override public CompoundButton.OnCheckedChangeListener getVoteDownOnCheckedChangeListener( final ThingInfo thingInfo) { return new CompoundButton.OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { removeDialog(Constants.DIALOG_THREAD_CLICK); if (isChecked) { new MyVoteTask(thingInfo, -1, thingInfo.getSubreddit()).execute(); } else { new MyVoteTask(thingInfo, 0, thingInfo.getSubreddit()).execute(); } } }; } }; private void setLinkClicked(ThingInfo threadThingInfo) { threadThingInfo.setClicked(true); mThreadsAdapter.notifyDataSetChanged(); } @Override protected void onSaveInstanceState(Bundle state) { super.onSaveInstanceState(state); state.putString(Constants.SUBREDDIT_KEY, mSubreddit); state.putString(Constants.QUERY_KEY, mSearchQuery); state.putString(Constants.ThreadsSort.SORT_BY_KEY, mSortByUrl); state.putString(Constants.JUMP_TO_THREAD_ID_KEY, mJumpToThreadId); state.putString(Constants.AFTER_KEY, mAfter); state.putString(Constants.BEFORE_KEY, mBefore); state.putInt(Constants.THREAD_COUNT_KEY, mCount); state.putString(Constants.LAST_AFTER_KEY, mLastAfter); state.putString(Constants.LAST_BEFORE_KEY, mLastBefore); state.putInt(Constants.THREAD_LAST_COUNT_KEY, mLastCount); state.putParcelable(Constants.VOTE_TARGET_THING_INFO_KEY, mVoteTargetThing); } /** * Called to "thaw" re-animate the app from a previous onSaveInstanceState(). * * @see android.app.Activity#onRestoreInstanceState */ @Override protected void onRestoreInstanceState(Bundle state) { super.onRestoreInstanceState(state); final int[] myDialogs = { Constants.DIALOG_LOGGING_IN, Constants.DIALOG_LOGIN, Constants.DIALOG_SORT_BY, Constants.DIALOG_SORT_BY_CONTROVERSIAL, Constants.DIALOG_SORT_BY_NEW, Constants.DIALOG_SORT_BY_TOP, Constants.DIALOG_THREAD_CLICK, }; for (int dialog : myDialogs) { try { removeDialog(dialog); } catch (IllegalArgumentException e) { // Ignore. } } } }