session-android/src/org/thoughtcrime/securesms/MediaOverviewActivity.java

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/**
* Copyright (C) 2015 Open Whisper Systems
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.Configuration;
import android.database.Cursor;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.database.CursorRecyclerViewAdapter;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.MediaDatabase.MediaRecord;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.recipients.Recipient.RecipientModifiedListener;
import org.thoughtcrime.securesms.recipients.RecipientFactory;
import org.thoughtcrime.securesms.util.AbstractCursorLoader;
import org.thoughtcrime.securesms.util.DynamicLanguage;
import org.thoughtcrime.securesms.util.SaveAttachmentTask;
import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
import java.util.ArrayList;
import java.util.List;
/**
* Activity for displaying media attachments in-app
*/
public class MediaOverviewActivity extends PassphraseRequiredActionBarActivity implements LoaderManager.LoaderCallbacks<Cursor> {
private final static String TAG = MediaOverviewActivity.class.getSimpleName();
public static final String RECIPIENT_EXTRA = "recipient";
public static final String THREAD_ID_EXTRA = "thread_id";
private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
private MasterSecret masterSecret;
private RecyclerView gridView;
private GridLayoutManager gridManager;
private TextView noImages;
private Recipient recipient;
private long threadId;
@Override
protected void onPreCreate() {
this.setTheme(R.style.TextSecure_DarkTheme);
dynamicLanguage.onCreate(this);
}
@Override
protected void onCreate(Bundle bundle, @NonNull MasterSecret masterSecret) {
this.masterSecret = masterSecret;
setFullscreenIfPossible();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.media_overview_activity);
initializeResources();
initializeActionBar();
getSupportLoaderManager().initLoader(0, null, MediaOverviewActivity.this);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if (gridManager != null) gridManager.setSpanCount(getResources().getInteger(R.integer.media_overview_cols));
}
@TargetApi(VERSION_CODES.JELLY_BEAN)
private void setFullscreenIfPossible() {
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
}
}
@Override
public void onResume() {
super.onResume();
dynamicLanguage.onResume(this);
}
private void initializeActionBar() {
getSupportActionBar().setTitle(recipient == null
? getString(R.string.AndroidManifest__all_media)
: getString(R.string.AndroidManifest__all_media_named, recipient.toShortString()));
}
@Override
public void onPause() {
super.onPause();
}
private void initializeResources() {
threadId = getIntent().getLongExtra(THREAD_ID_EXTRA, -1);
noImages = (TextView ) findViewById(R.id.no_images );
gridView = (RecyclerView) findViewById(R.id.media_grid);
gridManager = new GridLayoutManager(this, getResources().getInteger(R.integer.media_overview_cols));
gridView.setLayoutManager(gridManager);
gridView.setHasFixedSize(true);
final long recipientId = getIntent().getLongExtra(RECIPIENT_EXTRA, -1);
if (recipientId > -1) {
recipient = RecipientFactory.getRecipientForId(this, recipientId, true);
} else if (threadId > -1){
recipient = DatabaseFactory.getThreadDatabase(this).getRecipientsForThreadId(threadId).getPrimaryRecipient();
} else {
recipient = null;
}
if (recipient != null) {
recipient.addListener(new RecipientModifiedListener() {
@Override
public void onModified(Recipient recipient) {
initializeActionBar();
}
});
}
}
private void saveToDisk() {
final Context c = this;
SaveAttachmentTask.showWarningDialog(this, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
new ProgressDialogAsyncTask<Void, Void, List<SaveAttachmentTask.Attachment>>(c,
R.string.ConversationFragment_collecting_attahments,
R.string.please_wait) {
@Override
protected List<SaveAttachmentTask.Attachment> doInBackground(Void... params) {
Cursor cursor = DatabaseFactory.getMediaDatabase(c).getMediaForThread(threadId);
List<SaveAttachmentTask.Attachment> attachments = new ArrayList<>(cursor.getCount());
while (cursor != null && cursor.moveToNext()) {
MediaRecord record = MediaRecord.from(c, masterSecret, cursor);
attachments.add(new SaveAttachmentTask.Attachment(record.getAttachment().getDataUri(),
record.getContentType(),
record.getDate(),
null));
}
return attachments;
}
@Override
protected void onPostExecute(List<SaveAttachmentTask.Attachment> attachments) {
super.onPostExecute(attachments);
SaveAttachmentTask saveTask = new SaveAttachmentTask(c, masterSecret, gridView, attachments.size());
saveTask.execute(attachments.toArray(new SaveAttachmentTask.Attachment[attachments.size()]));
}
}.execute();
}
}, gridView.getAdapter().getItemCount());
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
menu.clear();
if (gridView.getAdapter() != null && gridView.getAdapter().getItemCount() > 0) {
MenuInflater inflater = this.getMenuInflater();
inflater.inflate(R.menu.media_overview, menu);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
super.onOptionsItemSelected(item);
switch (item.getItemId()) {
case R.id.save: saveToDisk(); return true;
case android.R.id.home: finish(); return true;
}
return false;
}
@Override
public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
return new ThreadMediaLoader(this, threadId);
}
@Override
public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
Log.w(TAG, "onLoadFinished()");
gridView.setAdapter(new MediaAdapter(this, masterSecret, cursor, threadId));
noImages.setVisibility(gridView.getAdapter().getItemCount() > 0 ? View.GONE : View.VISIBLE);
invalidateOptionsMenu();
}
@Override
public void onLoaderReset(Loader<Cursor> cursorLoader) {
((CursorRecyclerViewAdapter)gridView.getAdapter()).changeCursor(null);
}
public static class ThreadMediaLoader extends AbstractCursorLoader {
private final long threadId;
public ThreadMediaLoader(Context context, long threadId) {
super(context);
this.threadId = threadId;
}
@Override
public Cursor getCursor() {
return DatabaseFactory.getMediaDatabase(getContext()).getMediaForThread(threadId);
}
}
}