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Code Issues Projects Releases Wiki Activity

[android] move unsent attachment cache logic into AttachmentController

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This commit is contained in:
Torsten Grote
2019-02-18 11:49:13 -03:00
parent 55f4600a69
commit 6167ba5c46
5 changed files with 72 additions and 58 deletions
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70
briar-android/src/main/java/org/briarproject/briar/android/conversation/AttachmentController.java
View File

@@ -29,7 +29,6 @@ import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Logger;
import static android.support.media.ExifInterface.ORIENTATION_ROTATE_270;
@@ -59,7 +58,8 @@ class AttachmentController {
private final int minWidth, maxWidth;
private final int minHeight, maxHeight;
private final List<AttachmentHeader> unsent = new CopyOnWriteArrayList<>();
private final Map<Uri, AttachmentItem> unsentItems =
new ConcurrentHashMap<>();
private final Map<MessageId, List<AttachmentItem>> attachmentCache =
new ConcurrentHashMap<>();
@@ -121,9 +121,15 @@ class AttachmentController {
}
@DatabaseExecutor
AttachmentHeader createAttachmentHeader(ContentResolver contentResolver,
GroupId groupId, Uri uri)
void createAttachmentHeader(ContentResolver contentResolver,
GroupId groupId, Uri uri, boolean needsSize)
throws IOException, DbException {
if (unsentItems.containsKey(uri)) {
// This can happen due to configuration (screen orientation) change.
// So don't create a new attachment, if we have one already.
return;
}
long start = now();
InputStream is = contentResolver.openInputStream(uri);
if (is == null) throw new IOException();
String contentType = contentResolver.getType(uri);
@@ -132,32 +138,47 @@ class AttachmentController {
AttachmentHeader h = messagingManager
.addLocalAttachment(groupId, timestamp, contentType, is);
tryToClose(is, LOG, WARNING);
unsent.add(h);
return h;
logDuration(LOG, "Storing attachment", start);
// get and store AttachmentItem for ImagePreview
AttachmentItem item =
getAttachmentItem(contentResolver, uri, h, needsSize);
if (item.hasError()) throw new IOException();
unsentItems.put(uri, item);
}
@DatabaseExecutor
void deleteUnsentAttachments() {
for (AttachmentHeader h : unsent) {
for (AttachmentItem item : unsentItems.values()) {
try {
messagingManager.removeAttachment(h);
messagingManager.removeAttachment(item.getHeader());
} catch (DbException e) {
logException(LOG, WARNING, e);
}
}
unsentItems.clear();
}
List<AttachmentHeader> getUnsentAttachments() {
return new ArrayList<>(unsent);
List<AttachmentHeader> getUnsentAttachmentHeaders() {
List<AttachmentHeader> headers =
new ArrayList<>(unsentItems.values().size());
for (AttachmentItem item : unsentItems.values()) {
headers.add(item.getHeader());
}
return headers;
}
void markAttachmentsSent() {
unsent.clear();
/**
* Marks the attachments as sent and adds the items to the cache for display
* @param id The MessageId of the sent message.
*/
void onAttachmentsSent(MessageId id) {
attachmentCache.put(id, new ArrayList<>(unsentItems.values()));
unsentItems.clear();
}
@DatabaseExecutor
AttachmentItem getAttachmentItem(ContentResolver contentResolver, Uri uri,
AttachmentHeader h, boolean needsSize) throws IOException {
private AttachmentItem getAttachmentItem(ContentResolver contentResolver,
Uri uri, AttachmentHeader h, boolean needsSize) throws IOException {
InputStream is = null;
try {
is = contentResolver.openInputStream(uri);
@@ -192,17 +213,15 @@ class AttachmentController {
@VisibleForTesting
AttachmentItem getAttachmentItem(AttachmentHeader h, Attachment a,
boolean needsSize) {
MessageId messageId = h.getMessageId();
if (!needsSize) {
String mimeType = h.getContentType();
String extension = imageHelper.getExtensionFromMimeType(mimeType);
String extension =
imageHelper.getExtensionFromMimeType(h.getContentType());
boolean hasError = false;
if (extension == null) {
extension = "";
hasError = true;
}
return new AttachmentItem(messageId, 0, 0, mimeType, extension, 0,
0, hasError);
return new AttachmentItem(h, 0, 0, extension, 0, 0, hasError);
}
Size size = new Size();
@@ -240,10 +259,17 @@ class AttachmentController {
// get file extension
String extension = imageHelper.getExtensionFromMimeType(size.mimeType);
boolean hasError = extension == null || size.error;
if (!h.getContentType().equals(size.mimeType)) {
if (LOG.isLoggable(WARNING)) {
LOG.warning("Header has different mime type (" +
h.getContentType() + ") than image (" + size.mimeType +
").");
}
hasError = true;
}
if (extension == null) extension = "";
return new AttachmentItem(messageId, size.width, size.height,
size.mimeType, extension, thumbnailSize.width,
thumbnailSize.height, hasError);
return new AttachmentItem(h, size.width, size.height, extension,
thumbnailSize.width, thumbnailSize.height, hasError);
}
/**

27
briar-android/src/main/java/org/briarproject/briar/android/conversation/AttachmentItem.java
View File

@@ -6,6 +6,7 @@ import android.support.annotation.Nullable;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.sync.MessageId;
import org.briarproject.briar.api.messaging.AttachmentHeader;
import java.util.concurrent.atomic.AtomicLong;
@@ -15,9 +16,9 @@ import javax.annotation.concurrent.Immutable;
@NotNullByDefault
public class AttachmentItem implements Parcelable {
private final MessageId messageId;
private final AttachmentHeader header;
private final int width, height;
private final String mimeType, extension;
private final String extension;
private final int thumbnailWidth, thumbnailHeight;
private final boolean hasError;
private final long instanceId;
@@ -37,13 +38,12 @@ public class AttachmentItem implements Parcelable {
private static final AtomicLong NEXT_INSTANCE_ID = new AtomicLong(0);
AttachmentItem(MessageId messageId, int width, int height, String mimeType,
AttachmentItem(AttachmentHeader header, int width, int height,
String extension, int thumbnailWidth, int thumbnailHeight,
boolean hasError) {
this.messageId = messageId;
this.header = header;
this.width = width;
this.height = height;
this.mimeType = mimeType;
this.extension = extension;
this.thumbnailWidth = thumbnailWidth;
this.thumbnailHeight = thumbnailHeight;
@@ -54,19 +54,24 @@ public class AttachmentItem implements Parcelable {
protected AttachmentItem(Parcel in) {
byte[] messageIdByte = new byte[MessageId.LENGTH];
in.readByteArray(messageIdByte);
messageId = new MessageId(messageIdByte);
MessageId messageId = new MessageId(messageIdByte);
width = in.readInt();
height = in.readInt();
mimeType = in.readString();
String mimeType = in.readString();
extension = in.readString();
thumbnailWidth = in.readInt();
thumbnailHeight = in.readInt();
hasError = in.readByte() != 0;
instanceId = in.readLong();
header = new AttachmentHeader(messageId, mimeType);
}
AttachmentHeader getHeader() {
return header;
}
public MessageId getMessageId() {
return messageId;
return header.getMessageId();
}
int getWidth() {
@@ -78,7 +83,7 @@ public class AttachmentItem implements Parcelable {
}
String getMimeType() {
return mimeType;
return header.getContentType();
}
String getExtension() {
@@ -108,10 +113,10 @@ public class AttachmentItem implements Parcelable {
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeByteArray(messageId.getBytes());
dest.writeByteArray(header.getMessageId().getBytes());
dest.writeInt(width);
dest.writeInt(height);
dest.writeString(mimeType);
dest.writeString(header.getContentType());
dest.writeString(extension);
dest.writeInt(thumbnailWidth);
dest.writeInt(thumbnailHeight);

27
briar-android/src/main/java/org/briarproject/briar/android/conversation/ConversationViewModel.java
View File

@@ -38,11 +38,8 @@ import org.briarproject.briar.api.messaging.PrivateMessageFactory;
import org.briarproject.briar.api.messaging.PrivateMessageHeader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executor;
import java.util.logging.Logger;
@@ -102,8 +99,6 @@ public class ConversationViewModel extends AndroidViewModel implements
new MutableLiveData<>();
private final MutableLiveData<PrivateMessageHeader> addedHeader =
new MutableLiveData<>();
// TODO move to AttachmentController
private final Map<Uri, AttachmentItem> unsentItems = new HashMap<>();
@Inject
ConversationViewModel(Application application,
@@ -199,12 +194,6 @@ public class ConversationViewModel extends AndroidViewModel implements
@Override
public void storeAttachment(Uri uri, boolean needsSize, Runnable onSuccess,
Runnable onError) {
if (unsentItems.containsKey(uri)) {
// This can happen due to configuration (screen orientation) change.
// So don't create a new attachment, if we have one already.
androidExecutor.runOnUiThread(onSuccess);
return;
}
if (messagingGroupId.getValue() == null) loadGroupId();
observeForeverOnce(messagingGroupId, groupId -> dbExecutor.execute(()
-> {
@@ -213,10 +202,8 @@ public class ConversationViewModel extends AndroidViewModel implements
try {
ContentResolver contentResolver =
getApplication().getContentResolver();
AttachmentHeader h = attachmentController
.createAttachmentHeader(contentResolver, groupId, uri);
unsentItems.put(uri, attachmentController
.getAttachmentItem(contentResolver, uri, h, needsSize));
attachmentController.createAttachmentHeader(contentResolver,
groupId, uri, needsSize);
androidExecutor.runOnUiThread(onSuccess);
} catch (DbException | IOException e) {
logException(LOG, WARNING, e);
@@ -227,13 +214,12 @@ public class ConversationViewModel extends AndroidViewModel implements
}
@Override
public List<AttachmentHeader> getAttachments() {
return attachmentController.getUnsentAttachments();
public List<AttachmentHeader> getAttachmentHeaders() {
return attachmentController.getUnsentAttachmentHeaders();
}
@Override
public void removeAttachments() {
unsentItems.clear();
dbExecutor.execute(attachmentController::deleteUnsentAttachments);
}
@@ -332,10 +318,7 @@ public class ConversationViewModel extends AndroidViewModel implements
message.getId(), message.getGroupId(),
message.getTimestamp(), true, true, false, false,
text != null, attachments);
attachmentController.put(m.getMessage().getId(),
new ArrayList<>(unsentItems.values()));
unsentItems.clear();
attachmentController.markAttachmentsSent();
attachmentController.onAttachmentsSent(m.getMessage().getId());
// TODO add text to cache when available here
addedHeader.postValue(h);
} catch (DbException e) {

4
briar-android/src/main/java/org/briarproject/briar/android/view/TextAttachmentController.java
View File

@@ -89,7 +89,7 @@ public class TextAttachmentController extends TextSendController
public void onSendEvent() {
if (canSend()) {
listener.onSendClick(textInput.getText(),
attachmentManager.getAttachments());
attachmentManager.getAttachmentHeaders());
reset();
}
}
@@ -283,7 +283,7 @@ public class TextAttachmentController extends TextSendController
void storeAttachment(Uri uri, boolean needsSize, Runnable onSuccess,
Runnable onError);
List<AttachmentHeader> getAttachments();
List<AttachmentHeader> getAttachmentHeaders();
void removeAttachments();
}

2
briar-core/src/main/java/org/briarproject/briar/messaging/MessagingManagerImpl.java
View File

@@ -163,7 +163,7 @@ class MessagingManagerImpl extends ConversationClientImpl
if (is.available() == 0) throw new IOException();
byte[] b = new byte[MessageId.LENGTH];
new Random().nextBytes(b);
return new AttachmentHeader(new MessageId(b), "image/png");
return new AttachmentHeader(new MessageId(b), contentType);
}
@Override