kopia lustrzana https://github.com/ryukoposting/Signal-Android
277 wiersze
9.5 KiB
Java
277 wiersze
9.5 KiB
Java
package org.thoughtcrime.securesms.messagerequests;
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import android.content.Context;
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import androidx.annotation.MainThread;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.WorkerThread;
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import androidx.lifecycle.LiveData;
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import androidx.lifecycle.MutableLiveData;
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import androidx.lifecycle.ViewModel;
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import androidx.lifecycle.ViewModelProvider;
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import org.signal.core.util.concurrent.SignalExecutors;
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import org.thoughtcrime.securesms.groups.ui.GroupChangeFailureReason;
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import org.thoughtcrime.securesms.profiles.spoofing.ReviewUtil;
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import org.thoughtcrime.securesms.recipients.LiveRecipient;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.thoughtcrime.securesms.recipients.RecipientForeverObserver;
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import org.thoughtcrime.securesms.recipients.RecipientId;
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import org.thoughtcrime.securesms.util.SingleLiveEvent;
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import org.thoughtcrime.securesms.util.livedata.LiveDataUtil;
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import org.thoughtcrime.securesms.util.livedata.Store;
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import java.util.Collections;
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import java.util.List;
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public class MessageRequestViewModel extends ViewModel {
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private final SingleLiveEvent<Status> status = new SingleLiveEvent<>();
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private final SingleLiveEvent<GroupChangeFailureReason> failures = new SingleLiveEvent<>();
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private final MutableLiveData<Recipient> recipient = new MutableLiveData<>();
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private final MutableLiveData<List<String>> groups = new MutableLiveData<>(Collections.emptyList());
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private final MutableLiveData<GroupInfo> groupInfo = new MutableLiveData<>(GroupInfo.ZERO);
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private final Store<RecipientInfo> recipientInfoStore = new Store<>(new RecipientInfo(null, null, null, null));
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private final LiveData<MessageData> messageData;
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private final LiveData<RequestReviewDisplayState> requestReviewDisplayState;
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private final MessageRequestRepository repository;
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private LiveRecipient liveRecipient;
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private long threadId;
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private final RecipientForeverObserver recipientObserver = recipient -> {
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loadGroupInfo();
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this.recipient.setValue(recipient);
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};
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private MessageRequestViewModel(MessageRequestRepository repository) {
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this.repository = repository;
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this.messageData = LiveDataUtil.mapAsync(recipient, this::createMessageDataForRecipient);
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this.requestReviewDisplayState = LiveDataUtil.mapAsync(messageData, MessageRequestViewModel::transformHolderToReviewDisplayState);
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recipientInfoStore.update(this.recipient, (recipient, state) -> new RecipientInfo(recipient, state.groupInfo, state.sharedGroups, state.messageRequestState));
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recipientInfoStore.update(this.groupInfo, (groupInfo, state) -> new RecipientInfo(state.recipient, groupInfo, state.sharedGroups, state.messageRequestState));
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recipientInfoStore.update(this.groups, (sharedGroups, state) -> new RecipientInfo(state.recipient, state.groupInfo, sharedGroups, state.messageRequestState));
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recipientInfoStore.update(this.messageData, (messageData, state) -> new RecipientInfo(state.recipient, state.groupInfo, state.sharedGroups, messageData.messageState));
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}
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public void setConversationInfo(@NonNull RecipientId recipientId, long threadId) {
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if (liveRecipient != null) {
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liveRecipient.removeForeverObserver(recipientObserver);
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}
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liveRecipient = Recipient.live(recipientId);
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this.threadId = threadId;
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loadRecipient();
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loadGroups();
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loadGroupInfo();
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}
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@Override
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protected void onCleared() {
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if (liveRecipient != null) {
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liveRecipient.removeForeverObserver(recipientObserver);
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}
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}
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public LiveData<RequestReviewDisplayState> getRequestReviewDisplayState() {
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return requestReviewDisplayState;
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}
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public LiveData<Recipient> getRecipient() {
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return recipient;
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}
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public LiveData<MessageData> getMessageData() {
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return messageData;
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}
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public LiveData<RecipientInfo> getRecipientInfo() {
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return recipientInfoStore.getStateLiveData();
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}
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public LiveData<Status> getMessageRequestStatus() {
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return status;
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}
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public LiveData<GroupChangeFailureReason> getFailures() {
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return failures;
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}
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public boolean shouldShowMessageRequest() {
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MessageData data = messageData.getValue();
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return data != null && data.getMessageState() != MessageRequestState.NONE;
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}
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@MainThread
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public void onAccept() {
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status.setValue(Status.ACCEPTING);
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repository.acceptMessageRequest(liveRecipient,
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threadId,
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() -> status.postValue(Status.ACCEPTED),
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this::onGroupChangeError);
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}
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@MainThread
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public void onDelete() {
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status.setValue(Status.DELETING);
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repository.deleteMessageRequest(liveRecipient,
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threadId,
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() -> status.postValue(Status.DELETED),
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this::onGroupChangeError);
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}
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@MainThread
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public void onBlock() {
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status.setValue(Status.BLOCKING);
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repository.blockMessageRequest(liveRecipient,
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() -> status.postValue(Status.BLOCKED),
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this::onGroupChangeError);
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}
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@MainThread
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public void onUnblock() {
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repository.unblockAndAccept(liveRecipient,
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threadId,
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() -> status.postValue(Status.ACCEPTED));
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}
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@MainThread
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public void onBlockAndReportSpam() {
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repository.blockAndReportSpamMessageRequest(liveRecipient,
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threadId,
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() -> status.postValue(Status.BLOCKED_AND_REPORTED),
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this::onGroupChangeError);
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}
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private void onGroupChangeError(@NonNull GroupChangeFailureReason error) {
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status.postValue(Status.IDLE);
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failures.postValue(error);
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}
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private void loadRecipient() {
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liveRecipient.observeForever(recipientObserver);
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SignalExecutors.BOUNDED.execute(() -> {
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recipient.postValue(liveRecipient.get());
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});
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}
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private void loadGroups() {
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repository.getGroups(liveRecipient.getId(), this.groups::postValue);
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}
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private void loadGroupInfo() {
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repository.getGroupInfo(liveRecipient.getId(), groupInfo::postValue);
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}
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private static RequestReviewDisplayState transformHolderToReviewDisplayState(@NonNull MessageData holder) {
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if (holder.getMessageState() == MessageRequestState.INDIVIDUAL) {
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return ReviewUtil.isRecipientReviewSuggested(holder.getRecipient().getId()) ? RequestReviewDisplayState.SHOWN
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: RequestReviewDisplayState.HIDDEN;
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} else {
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return RequestReviewDisplayState.NONE;
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}
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}
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@WorkerThread
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private @NonNull MessageData createMessageDataForRecipient(@NonNull Recipient recipient) {
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MessageRequestState state = repository.getMessageRequestState(recipient, threadId);
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return new MessageData(recipient, state);
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}
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public static class RecipientInfo {
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@Nullable private final Recipient recipient;
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@NonNull private final GroupInfo groupInfo;
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@NonNull private final List<String> sharedGroups;
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@Nullable private final MessageRequestState messageRequestState;
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private RecipientInfo(@Nullable Recipient recipient, @Nullable GroupInfo groupInfo, @Nullable List<String> sharedGroups, @Nullable MessageRequestState messageRequestState) {
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this.recipient = recipient;
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this.groupInfo = groupInfo == null ? GroupInfo.ZERO : groupInfo;
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this.sharedGroups = sharedGroups == null ? Collections.emptyList() : sharedGroups;
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this.messageRequestState = messageRequestState;
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}
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@Nullable
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public Recipient getRecipient() {
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return recipient;
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}
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public int getGroupMemberCount() {
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return groupInfo.getFullMemberCount();
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}
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public int getGroupPendingMemberCount() {
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return groupInfo.getPendingMemberCount();
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}
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public @NonNull String getGroupDescription() {
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return groupInfo.getDescription();
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}
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@NonNull
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public List<String> getSharedGroups() {
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return sharedGroups;
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}
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@Nullable
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public MessageRequestState getMessageRequestState() {
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return messageRequestState;
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}
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}
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public enum Status {
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IDLE,
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BLOCKING,
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BLOCKED,
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BLOCKED_AND_REPORTED,
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DELETING,
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DELETED,
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ACCEPTING,
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ACCEPTED
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}
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public enum RequestReviewDisplayState {
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HIDDEN,
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SHOWN,
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NONE
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}
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public static final class MessageData {
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private final Recipient recipient;
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private final MessageRequestState messageState;
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public MessageData(@NonNull Recipient recipient, @NonNull MessageRequestState messageState) {
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this.recipient = recipient;
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this.messageState = messageState;
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}
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public @NonNull Recipient getRecipient() {
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return recipient;
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}
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public @NonNull MessageRequestState getMessageState() {
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return messageState;
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}
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}
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public static class Factory implements ViewModelProvider.Factory {
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private final Context context;
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public Factory(Context context) {
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this.context = context;
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}
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@Override
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public @NonNull <T extends ViewModel> T create(@NonNull Class<T> modelClass) {
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//noinspection unchecked
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return (T) new MessageRequestViewModel(new MessageRequestRepository(context.getApplicationContext()));
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}
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}
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}
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