mirror of
https://github.com/oxen-io/session-android.git
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715 lines
25 KiB
Java
715 lines
25 KiB
Java
/*
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* Copyright (C) 2014 Open Whisper Systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.thoughtcrime.securesms;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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import androidx.lifecycle.ViewModelProviders;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Build.VERSION;
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import android.os.Build.VERSION_CODES;
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import android.os.Bundle;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.loader.app.LoaderManager;
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import androidx.loader.content.Loader;
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import androidx.core.util.Pair;
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import androidx.viewpager.widget.PagerAdapter;
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import androidx.viewpager.widget.ViewPager;
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import androidx.appcompat.app.AlertDialog;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import android.view.GestureDetector;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.Window;
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import android.widget.FrameLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
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import org.thoughtcrime.securesms.components.MediaView;
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import org.thoughtcrime.securesms.components.viewpager.ExtendedOnPageChangedListener;
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import org.thoughtcrime.securesms.database.Address;
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import org.thoughtcrime.securesms.database.MediaDatabase.MediaRecord;
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import org.thoughtcrime.securesms.database.loaders.PagingMediaLoader;
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import org.thoughtcrime.securesms.logging.Log;
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import org.thoughtcrime.securesms.mediapreview.MediaPreviewViewModel;
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import org.thoughtcrime.securesms.mediapreview.MediaRailAdapter;
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import org.thoughtcrime.securesms.mms.GlideApp;
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import org.thoughtcrime.securesms.mms.GlideRequests;
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import org.thoughtcrime.securesms.permissions.Permissions;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
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import org.thoughtcrime.securesms.util.AttachmentUtil;
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import org.thoughtcrime.securesms.util.DateUtils;
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import org.thoughtcrime.securesms.util.DynamicLanguage;
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import org.thoughtcrime.securesms.util.SaveAttachmentTask;
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import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
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import org.thoughtcrime.securesms.util.Util;
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import java.io.IOException;
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import java.util.WeakHashMap;
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import network.loki.messenger.R;
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/**
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* Activity for displaying media attachments in-app
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*/
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public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity implements RecipientModifiedListener,
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LoaderManager.LoaderCallbacks<Pair<Cursor, Integer>>,
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MediaRailAdapter.RailItemListener
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{
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private final static String TAG = MediaPreviewActivity.class.getSimpleName();
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public static final String ADDRESS_EXTRA = "address";
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public static final String DATE_EXTRA = "date";
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public static final String SIZE_EXTRA = "size";
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public static final String CAPTION_EXTRA = "caption";
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public static final String OUTGOING_EXTRA = "outgoing";
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public static final String LEFT_IS_RECENT_EXTRA = "left_is_recent";
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private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
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private ViewPager mediaPager;
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private View detailsContainer;
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private TextView caption;
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private View captionContainer;
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private RecyclerView albumRail;
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private MediaRailAdapter albumRailAdapter;
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private ViewGroup playbackControlsContainer;
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private Uri initialMediaUri;
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private String initialMediaType;
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private long initialMediaSize;
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private String initialCaption;
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private Recipient conversationRecipient;
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private boolean leftIsRecent;
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private GestureDetector clickDetector;
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private MediaPreviewViewModel viewModel;
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private ViewPagerListener viewPagerListener;
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private int restartItem = -1;
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@SuppressWarnings("ConstantConditions")
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@Override
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protected void onCreate(Bundle bundle, boolean ready) {
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dynamicLanguage.onCreate(this);
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viewModel = ViewModelProviders.of(this).get(MediaPreviewViewModel.class);
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setContentView(R.layout.media_preview_activity);
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initializeViews();
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initializeResources();
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initializeObservers();
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}
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@Override
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public boolean dispatchTouchEvent(MotionEvent ev) {
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clickDetector.onTouchEvent(ev);
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return super.dispatchTouchEvent(ev);
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
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Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
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}
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@TargetApi(VERSION_CODES.JELLY_BEAN)
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private void setFullscreenIfPossible() {
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if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
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getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
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}
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}
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@Override
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public void onModified(Recipient recipient) {
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Util.runOnMain(this::updateActionBar);
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}
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@Override
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public void onRailItemClicked(int distanceFromActive) {
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mediaPager.setCurrentItem(mediaPager.getCurrentItem() + distanceFromActive);
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}
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@Override
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public void onRailItemDeleteClicked(int distanceFromActive) {
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throw new UnsupportedOperationException("Callback unsupported.");
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}
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@SuppressWarnings("ConstantConditions")
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private void updateActionBar() {
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MediaItem mediaItem = getCurrentMediaItem();
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if (mediaItem != null) {
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CharSequence relativeTimeSpan;
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if (mediaItem.date > 0) {
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relativeTimeSpan = DateUtils.getExtendedRelativeTimeSpanString(this,dynamicLanguage.getCurrentLocale(), mediaItem.date);
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} else {
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relativeTimeSpan = getString(R.string.MediaPreviewActivity_draft);
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}
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if (mediaItem.outgoing) getSupportActionBar().setTitle(getString(R.string.MediaPreviewActivity_you));
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else if (mediaItem.recipient != null) getSupportActionBar().setTitle(mediaItem.recipient.toShortString());
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else getSupportActionBar().setTitle("");
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getSupportActionBar().setSubtitle(relativeTimeSpan);
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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dynamicLanguage.onResume(this);
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initializeMedia();
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}
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@Override
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public void onPause() {
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super.onPause();
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restartItem = cleanupMedia();
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}
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@Override
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protected void onNewIntent(Intent intent) {
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super.onNewIntent(intent);
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setIntent(intent);
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initializeResources();
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}
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private void initializeViews() {
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mediaPager = findViewById(R.id.media_pager);
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mediaPager.setOffscreenPageLimit(1);
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viewPagerListener = new ViewPagerListener();
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mediaPager.addOnPageChangeListener(viewPagerListener);
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albumRail = findViewById(R.id.media_preview_album_rail);
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albumRailAdapter = new MediaRailAdapter(GlideApp.with(this), this, false);
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albumRail.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
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albumRail.setAdapter(albumRailAdapter);
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detailsContainer = findViewById(R.id.media_preview_details_container);
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caption = findViewById(R.id.media_preview_caption);
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captionContainer = findViewById(R.id.media_preview_caption_container);
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playbackControlsContainer = findViewById(R.id.media_preview_playback_controls_container);
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setSupportActionBar(findViewById(R.id.toolbar));
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}
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private void initializeResources() {
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Address address = getIntent().getParcelableExtra(ADDRESS_EXTRA);
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initialMediaUri = getIntent().getData();
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initialMediaType = getIntent().getType();
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initialMediaSize = getIntent().getLongExtra(SIZE_EXTRA, 0);
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initialCaption = getIntent().getStringExtra(CAPTION_EXTRA);
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leftIsRecent = getIntent().getBooleanExtra(LEFT_IS_RECENT_EXTRA, false);
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restartItem = -1;
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if (address != null) {
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conversationRecipient = Recipient.from(this, address, true);
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} else {
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conversationRecipient = null;
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}
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}
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private void initializeObservers() {
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viewModel.getPreviewData().observe(this, previewData -> {
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if (previewData == null || mediaPager == null || mediaPager.getAdapter() == null) {
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return;
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}
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View playbackControls = ((MediaItemAdapter) mediaPager.getAdapter()).getPlaybackControls(mediaPager.getCurrentItem());
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if (previewData.getAlbumThumbnails().isEmpty() && previewData.getCaption() == null && playbackControls == null) {
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detailsContainer.setVisibility(View.GONE);
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} else {
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detailsContainer.setVisibility(View.VISIBLE);
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}
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albumRail.setVisibility(previewData.getAlbumThumbnails().isEmpty() ? View.GONE : View.VISIBLE);
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albumRailAdapter.setMedia(previewData.getAlbumThumbnails(), previewData.getActivePosition());
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albumRail.smoothScrollToPosition(previewData.getActivePosition());
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captionContainer.setVisibility(previewData.getCaption() == null ? View.GONE : View.VISIBLE);
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caption.setText(previewData.getCaption());
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if (playbackControls != null) {
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ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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playbackControls.setLayoutParams(params);
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playbackControlsContainer.removeAllViews();
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playbackControlsContainer.addView(playbackControls);
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} else {
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playbackControlsContainer.removeAllViews();
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}
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});
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clickDetector = new GestureDetector(new GestureDetector.SimpleOnGestureListener() {
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@Override
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public boolean onSingleTapUp(MotionEvent e) {
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if (e.getY() < detailsContainer.getTop()) {
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detailsContainer.setVisibility(detailsContainer.getVisibility() == View.VISIBLE ? View.GONE : View.VISIBLE);
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}
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return super.onSingleTapUp(e);
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}
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});
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}
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private void initializeMedia() {
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if (!isContentTypeSupported(initialMediaType)) {
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Log.w(TAG, "Unsupported media type sent to MediaPreviewActivity, finishing.");
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Toast.makeText(getApplicationContext(), R.string.MediaPreviewActivity_unssuported_media_type, Toast.LENGTH_LONG).show();
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finish();
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}
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Log.i(TAG, "Loading Part URI: " + initialMediaUri);
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if (conversationRecipient != null) {
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getSupportLoaderManager().restartLoader(0, null, this);
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} else {
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mediaPager.setAdapter(new SingleItemPagerAdapter(this, GlideApp.with(this), getWindow(), initialMediaUri, initialMediaType, initialMediaSize));
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if (initialCaption != null) {
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detailsContainer.setVisibility(View.VISIBLE);
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captionContainer.setVisibility(View.VISIBLE);
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caption.setText(initialCaption);
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}
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}
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}
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private int cleanupMedia() {
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int restartItem = mediaPager.getCurrentItem();
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mediaPager.removeAllViews();
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mediaPager.setAdapter(null);
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return restartItem;
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}
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private void showOverview() {
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Intent intent = new Intent(this, MediaOverviewActivity.class);
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intent.putExtra(MediaOverviewActivity.ADDRESS_EXTRA, conversationRecipient.getAddress());
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startActivity(intent);
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}
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private void forward() {
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MediaItem mediaItem = getCurrentMediaItem();
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if (mediaItem != null) {
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Intent composeIntent = new Intent(this, ShareActivity.class);
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composeIntent.putExtra(Intent.EXTRA_STREAM, mediaItem.uri);
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composeIntent.setType(mediaItem.type);
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startActivity(composeIntent);
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}
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}
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@SuppressWarnings("CodeBlock2Expr")
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@SuppressLint("InlinedApi")
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private void saveToDisk() {
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MediaItem mediaItem = getCurrentMediaItem();
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if (mediaItem == null) return;
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SaveAttachmentTask.showWarningDialog(this, (dialogInterface, i) -> {
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Permissions.with(this)
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.request(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
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.maxSdkVersion(Build.VERSION_CODES.P)
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.withPermanentDenialDialog(getString(R.string.MediaPreviewActivity_signal_needs_the_storage_permission_in_order_to_write_to_external_storage_but_it_has_been_permanently_denied))
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.onAnyDenied(() -> Toast.makeText(this, R.string.MediaPreviewActivity_unable_to_write_to_external_storage_without_permission, Toast.LENGTH_LONG).show())
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.onAllGranted(() -> {
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SaveAttachmentTask saveTask = new SaveAttachmentTask(MediaPreviewActivity.this);
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long saveDate = (mediaItem.date > 0) ? mediaItem.date : System.currentTimeMillis();
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saveTask.executeOnExecutor(
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AsyncTask.THREAD_POOL_EXECUTOR,
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new Attachment(mediaItem.uri, mediaItem.type, saveDate, null));
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})
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.execute();
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});
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}
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@SuppressLint("StaticFieldLeak")
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private void deleteMedia() {
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MediaItem mediaItem = getCurrentMediaItem();
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if (mediaItem == null || mediaItem.attachment == null) {
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return;
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}
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setIconAttribute(R.attr.dialog_alert_icon);
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builder.setTitle(R.string.MediaPreviewActivity_media_delete_confirmation_title);
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builder.setMessage(R.string.MediaPreviewActivity_media_delete_confirmation_message);
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builder.setCancelable(true);
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builder.setPositiveButton(R.string.delete, (dialogInterface, which) -> {
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new AsyncTask<Void, Void, Void>() {
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@Override
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protected Void doInBackground(Void... voids) {
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if (mediaItem.attachment == null) {
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return null;
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}
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AttachmentUtil.deleteAttachment(MediaPreviewActivity.this.getApplicationContext(),
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mediaItem.attachment);
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return null;
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}
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}.execute();
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finish();
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});
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builder.setNegativeButton(android.R.string.cancel, null);
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builder.show();
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}
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@Override
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public boolean onPrepareOptionsMenu(Menu menu) {
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super.onPrepareOptionsMenu(menu);
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menu.clear();
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MenuInflater inflater = this.getMenuInflater();
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inflater.inflate(R.menu.media_preview, menu);
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if (!isMediaInDb()) {
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menu.findItem(R.id.media_preview__overview).setVisible(false);
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menu.findItem(R.id.delete).setVisible(false);
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}
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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super.onOptionsItemSelected(item);
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switch (item.getItemId()) {
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case R.id.media_preview__overview: showOverview(); return true;
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case R.id.media_preview__forward: forward(); return true;
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case R.id.save: saveToDisk(); return true;
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case R.id.delete: deleteMedia(); return true;
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case android.R.id.home: finish(); return true;
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}
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return false;
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}
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private boolean isMediaInDb() {
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return conversationRecipient != null;
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}
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private @Nullable MediaItem getCurrentMediaItem() {
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MediaItemAdapter adapter = (MediaItemAdapter)mediaPager.getAdapter();
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if (adapter != null) {
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return adapter.getMediaItemFor(mediaPager.getCurrentItem());
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} else {
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return null;
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}
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}
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public static boolean isContentTypeSupported(final String contentType) {
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return contentType != null && (contentType.startsWith("image/") || contentType.startsWith("video/"));
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}
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@Override
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public @NonNull Loader<Pair<Cursor, Integer>> onCreateLoader(int id, Bundle args) {
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return new PagingMediaLoader(this, conversationRecipient, initialMediaUri, leftIsRecent);
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}
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@Override
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public void onLoadFinished(@NonNull Loader<Pair<Cursor, Integer>> loader, @Nullable Pair<Cursor, Integer> data) {
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if (data != null) {
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@SuppressWarnings("ConstantConditions")
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CursorPagerAdapter adapter = new CursorPagerAdapter(this, GlideApp.with(this), getWindow(), data.first, data.second, leftIsRecent);
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mediaPager.setAdapter(adapter);
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adapter.setActive(true);
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viewModel.setCursor(this, data.first, leftIsRecent);
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int item = restartItem >= 0 ? restartItem : data.second;
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mediaPager.setCurrentItem(item);
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if (item == 0) {
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viewPagerListener.onPageSelected(0);
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}
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}
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}
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@Override
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public void onLoaderReset(@NonNull Loader<Pair<Cursor, Integer>> loader) {
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}
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private class ViewPagerListener extends ExtendedOnPageChangedListener {
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@Override
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public void onPageSelected(int position) {
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super.onPageSelected(position);
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MediaItemAdapter adapter = (MediaItemAdapter)mediaPager.getAdapter();
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if (adapter != null) {
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MediaItem item = adapter.getMediaItemFor(position);
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if (item.recipient != null) item.recipient.addListener(MediaPreviewActivity.this);
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viewModel.setActiveAlbumRailItem(MediaPreviewActivity.this, position);
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updateActionBar();
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}
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}
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@Override
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public void onPageUnselected(int position) {
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MediaItemAdapter adapter = (MediaItemAdapter)mediaPager.getAdapter();
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if (adapter != null) {
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MediaItem item = adapter.getMediaItemFor(position);
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if (item.recipient != null) item.recipient.removeListener(MediaPreviewActivity.this);
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adapter.pause(position);
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}
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}
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}
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private static class SingleItemPagerAdapter extends PagerAdapter implements MediaItemAdapter {
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private final GlideRequests glideRequests;
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private final Window window;
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private final Uri uri;
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private final String mediaType;
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private final long size;
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private final LayoutInflater inflater;
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SingleItemPagerAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests,
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@NonNull Window window, @NonNull Uri uri, @NonNull String mediaType,
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long size)
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{
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this.glideRequests = glideRequests;
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this.window = window;
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this.uri = uri;
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this.mediaType = mediaType;
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this.size = size;
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this.inflater = LayoutInflater.from(context);
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}
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@Override
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public int getCount() {
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return 1;
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}
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@Override
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public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
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return view == object;
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}
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@Override
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public @NonNull Object instantiateItem(@NonNull ViewGroup container, int position) {
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View itemView = inflater.inflate(R.layout.media_view_page, container, false);
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MediaView mediaView = itemView.findViewById(R.id.media_view);
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try {
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mediaView.set(glideRequests, window, uri, mediaType, size, true);
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} catch (IOException e) {
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Log.w(TAG, e);
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}
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container.addView(itemView);
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return itemView;
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}
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@Override
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public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
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MediaView mediaView = ((FrameLayout)object).findViewById(R.id.media_view);
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mediaView.cleanup();
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container.removeView((FrameLayout)object);
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}
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@Override
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public MediaItem getMediaItemFor(int position) {
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return new MediaItem(null, null, uri, mediaType, -1, true);
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}
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@Override
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public void pause(int position) {
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}
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@Override
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public @Nullable View getPlaybackControls(int position) {
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return null;
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}
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}
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private static class CursorPagerAdapter extends PagerAdapter implements MediaItemAdapter {
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private final WeakHashMap<Integer, MediaView> mediaViews = new WeakHashMap<>();
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private final Context context;
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private final GlideRequests glideRequests;
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private final Window window;
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private final Cursor cursor;
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private final boolean leftIsRecent;
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private boolean active;
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private int autoPlayPosition;
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CursorPagerAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests,
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@NonNull Window window, @NonNull Cursor cursor, int autoPlayPosition,
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boolean leftIsRecent)
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{
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this.context = context.getApplicationContext();
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this.glideRequests = glideRequests;
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this.window = window;
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this.cursor = cursor;
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this.autoPlayPosition = autoPlayPosition;
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this.leftIsRecent = leftIsRecent;
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}
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public void setActive(boolean active) {
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this.active = active;
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notifyDataSetChanged();
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}
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@Override
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public int getCount() {
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if (!active) return 0;
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else return cursor.getCount();
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}
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@Override
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public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
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return view == object;
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}
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@Override
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public @NonNull Object instantiateItem(@NonNull ViewGroup container, int position) {
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View itemView = LayoutInflater.from(context).inflate(R.layout.media_view_page, container, false);
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MediaView mediaView = itemView.findViewById(R.id.media_view);
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boolean autoplay = position == autoPlayPosition;
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int cursorPosition = getCursorPosition(position);
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autoPlayPosition = -1;
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cursor.moveToPosition(cursorPosition);
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MediaRecord mediaRecord = MediaRecord.from(context, cursor);
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try {
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//noinspection ConstantConditions
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mediaView.set(glideRequests, window, mediaRecord.getAttachment().getDataUri(),
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mediaRecord.getAttachment().getContentType(), mediaRecord.getAttachment().getSize(), autoplay);
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} catch (IOException e) {
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Log.w(TAG, e);
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}
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mediaViews.put(position, mediaView);
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container.addView(itemView);
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return itemView;
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}
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@Override
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public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
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MediaView mediaView = ((FrameLayout)object).findViewById(R.id.media_view);
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mediaView.cleanup();
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mediaViews.remove(position);
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container.removeView((FrameLayout)object);
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}
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public MediaItem getMediaItemFor(int position) {
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cursor.moveToPosition(getCursorPosition(position));
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MediaRecord mediaRecord = MediaRecord.from(context, cursor);
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Address address = mediaRecord.getAddress();
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if (mediaRecord.getAttachment().getDataUri() == null) throw new AssertionError();
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return new MediaItem(address != null ? Recipient.from(context, address,true) : null,
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mediaRecord.getAttachment(),
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mediaRecord.getAttachment().getDataUri(),
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mediaRecord.getContentType(),
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mediaRecord.getDate(),
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mediaRecord.isOutgoing());
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}
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@Override
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public void pause(int position) {
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MediaView mediaView = mediaViews.get(position);
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if (mediaView != null) mediaView.pause();
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}
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@Override
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public @Nullable View getPlaybackControls(int position) {
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MediaView mediaView = mediaViews.get(position);
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if (mediaView != null) return mediaView.getPlaybackControls();
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return null;
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}
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private int getCursorPosition(int position) {
|
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if (leftIsRecent) return position;
|
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else return cursor.getCount() - 1 - position;
|
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}
|
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}
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|
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private static class MediaItem {
|
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private final @Nullable Recipient recipient;
|
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private final @Nullable DatabaseAttachment attachment;
|
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private final @NonNull Uri uri;
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private final @NonNull String type;
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private final long date;
|
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private final boolean outgoing;
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|
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private MediaItem(@Nullable Recipient recipient,
|
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@Nullable DatabaseAttachment attachment,
|
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@NonNull Uri uri,
|
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@NonNull String type,
|
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long date,
|
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boolean outgoing)
|
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{
|
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this.recipient = recipient;
|
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this.attachment = attachment;
|
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this.uri = uri;
|
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this.type = type;
|
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this.date = date;
|
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this.outgoing = outgoing;
|
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}
|
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}
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|
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interface MediaItemAdapter {
|
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MediaItem getMediaItemFor(int position);
|
|
void pause(int position);
|
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@Nullable View getPlaybackControls(int position);
|
|
}
|
|
}
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