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0c768a24e4
When viewing a media in the media preview, you can delete it by pressing a delete button on the action bar. It will then ask you to confirm your choice. If you confirm, it will delete the attachment from the database and from disk. If it was the only attachment for that message, the message itself will also be deleted.
80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
/**
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* Copyright (C) 2011 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.database;
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import android.content.Context;
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import android.database.ContentObserver;
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import android.database.Cursor;
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import android.net.Uri;
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import android.support.annotation.NonNull;
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import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
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import java.util.Set;
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public abstract class Database {
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protected static final String ID_WHERE = "_id = ?";
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private static final String CONVERSATION_URI = "content://textsecure/thread/";
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private static final String CONVERSATION_LIST_URI = "content://textsecure/conversation-list";
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private static final String ATTACHMENT_URI = "content://textsecure/attachment/";
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protected SQLCipherOpenHelper databaseHelper;
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protected final Context context;
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public Database(Context context, SQLCipherOpenHelper databaseHelper) {
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this.context = context;
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this.databaseHelper = databaseHelper;
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}
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protected void notifyConversationListeners(Set<Long> threadIds) {
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for (long threadId : threadIds)
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notifyConversationListeners(threadId);
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}
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protected void notifyConversationListeners(long threadId) {
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context.getContentResolver().notifyChange(Uri.parse(CONVERSATION_URI + threadId), null);
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}
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protected void notifyConversationListListeners() {
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context.getContentResolver().notifyChange(Uri.parse(CONVERSATION_LIST_URI), null);
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}
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protected void setNotifyConverationListeners(Cursor cursor, long threadId) {
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cursor.setNotificationUri(context.getContentResolver(), Uri.parse(CONVERSATION_URI + threadId));
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}
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protected void setNotifyConverationListListeners(Cursor cursor) {
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cursor.setNotificationUri(context.getContentResolver(), Uri.parse(CONVERSATION_LIST_URI));
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}
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protected void registerAttachmentListeners(@NonNull ContentObserver observer) {
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context.getContentResolver().registerContentObserver(Uri.parse(ATTACHMENT_URI),
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true,
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observer);
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}
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protected void notifyAttachmentListeners() {
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context.getContentResolver().notifyChange(Uri.parse(ATTACHMENT_URI), null);
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}
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public void reset(SQLCipherOpenHelper databaseHelper) {
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this.databaseHelper = databaseHelper;
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}
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}
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