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

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/**
* Copyright (C) 2014 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.DialogInterface;
import android.content.Intent;
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import android.net.Uri;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.support.annotation.NonNull;
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import android.util.Log;
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import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
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import android.view.View;
import android.view.WindowManager;
import android.widget.Toast;
import org.thoughtcrime.securesms.components.ZoomingImageView;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.database.Address;
import org.thoughtcrime.securesms.mms.VideoSlide;
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import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
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import org.thoughtcrime.securesms.util.DateUtils;
import org.thoughtcrime.securesms.util.DynamicLanguage;
import org.thoughtcrime.securesms.util.SaveAttachmentTask;
import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
import org.thoughtcrime.securesms.video.VideoPlayer;
import java.io.IOException;
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/**
* Activity for displaying media attachments in-app
*/
public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity implements RecipientModifiedListener {
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private final static String TAG = MediaPreviewActivity.class.getSimpleName();
public static final String ADDRESS_EXTRA = "address";
public static final String THREAD_ID_EXTRA = "thread_id";
public static final String DATE_EXTRA = "date";
public static final String SIZE_EXTRA = "size";
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private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
private MasterSecret masterSecret;
private ZoomingImageView image;
private VideoPlayer video;
private Uri mediaUri;
private String mediaType;
private Recipient recipient;
private long threadId;
private long date;
private long size;
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@Override
protected void onCreate(Bundle bundle, @NonNull MasterSecret masterSecret) {
this.masterSecret = masterSecret;
this.setTheme(R.style.TextSecure_DarkTheme);
dynamicLanguage.onCreate(this);
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setFullscreenIfPossible();
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.media_preview_activity);
initializeViews();
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initializeResources();
initializeActionBar();
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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);
}
}
@Override
public void onModified(Recipient recipient) {
initializeActionBar();
}
private void initializeActionBar() {
final CharSequence relativeTimeSpan;
if (date > 0) {
relativeTimeSpan = DateUtils.getExtendedRelativeTimeSpanString(this,dynamicLanguage.getCurrentLocale(),date);
} else {
relativeTimeSpan = getString(R.string.MediaPreviewActivity_draft);
}
getSupportActionBar().setTitle(recipient == null ? getString(R.string.MediaPreviewActivity_you)
: recipient.toShortString());
getSupportActionBar().setSubtitle(relativeTimeSpan);
}
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@Override
public void onResume() {
super.onResume();
dynamicLanguage.onResume(this);
if (recipient != null) recipient.addListener(this);
initializeMedia();
}
@Override
public void onPause() {
super.onPause();
if (recipient != null) recipient.removeListener(this);
cleanupMedia();
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
if (recipient != null) recipient.removeListener(this);
setIntent(intent);
initializeResources();
initializeActionBar();
}
private void initializeViews() {
image = (ZoomingImageView) findViewById(R.id.image);
video = (VideoPlayer) findViewById(R.id.video_player);
}
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private void initializeResources() {
Address address = getIntent().getParcelableExtra(ADDRESS_EXTRA);
mediaUri = getIntent().getData();
mediaType = getIntent().getType();
date = getIntent().getLongExtra(DATE_EXTRA, -1);
size = getIntent().getLongExtra(SIZE_EXTRA, 0);
threadId = getIntent().getLongExtra(THREAD_ID_EXTRA, -1);
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if (address != null) {
recipient = Recipient.from(this, address, true);
recipient.addListener(this);
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} else {
recipient = null;
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}
}
private void initializeMedia() {
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if (!isContentTypeSupported(mediaType)) {
Log.w(TAG, "Unsupported media type sent to MediaPreviewActivity, finishing.");
Toast.makeText(getApplicationContext(), R.string.MediaPreviewActivity_unssuported_media_type, Toast.LENGTH_LONG).show();
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finish();
}
Log.w(TAG, "Loading Part URI: " + mediaUri);
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try {
if (mediaType != null && mediaType.startsWith("image/")) {
image.setVisibility(View.VISIBLE);
video.setVisibility(View.GONE);
image.setImageUri(masterSecret, mediaUri, mediaType);
} else if (mediaType != null && mediaType.startsWith("video/")) {
image.setVisibility(View.GONE);
video.setVisibility(View.VISIBLE);
video.setVideoSource(masterSecret, new VideoSlide(this, mediaUri, size));
}
} catch (IOException e) {
Log.w(TAG, e);
Toast.makeText(getApplicationContext(), R.string.MediaPreviewActivity_unssuported_media_type, Toast.LENGTH_LONG).show();
finish();
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}
}
private void cleanupMedia() {
image.cleanup();
video.cleanup();
}
private void showOverview() {
Intent intent = new Intent(this, MediaOverviewActivity.class);
intent.putExtra(MediaOverviewActivity.THREAD_ID_EXTRA, threadId);
startActivity(intent);
}
private void forward() {
Intent composeIntent = new Intent(this, ShareActivity.class);
composeIntent.putExtra(Intent.EXTRA_STREAM, mediaUri);
composeIntent.setType(mediaType);
startActivity(composeIntent);
}
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private void saveToDisk() {
SaveAttachmentTask.showWarningDialog(this, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
SaveAttachmentTask saveTask = new SaveAttachmentTask(MediaPreviewActivity.this, masterSecret, image);
long saveDate = (date > 0) ? date : System.currentTimeMillis();
saveTask.execute(new Attachment(mediaUri, mediaType, saveDate, null));
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}
});
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
menu.clear();
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MenuInflater inflater = this.getMenuInflater();
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inflater.inflate(R.menu.media_preview, menu);
if (threadId == -1) menu.findItem(R.id.media_preview__overview).setVisible(false);
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return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
super.onOptionsItemSelected(item);
switch (item.getItemId()) {
case R.id.media_preview__overview: showOverview(); return true;
case R.id.media_preview__forward: forward(); return true;
case R.id.save: saveToDisk(); return true;
case android.R.id.home: finish(); return true;
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}
return false;
}
public static boolean isContentTypeSupported(final String contentType) {
return contentType != null && (contentType.startsWith("image/") || contentType.startsWith("video/"));
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}
}