/*
* Copyright 2013 Chris Banes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.zhaojian.jolly.controller;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;
import android.content.Context;
import com.zhaojian.jolly.listener.OnNumChangeListener;
import com.zhaojian.jolly.model.PhotoUpload;
import com.zhaojian.jolly.selectphotos.SelectPhotoApplication;
public class PhotoUploadController {
private Vector list = new Vector();
public void addMyEventListener(OnNumChangeListener me) {
list.add(me);
}
public void deleteMyEventListener(OnNumChangeListener me) {
list.remove(me);
}
public void notifyMyEvent() {
Iterator it = list.iterator();
while (it.hasNext()) {
((OnNumChangeListener) it.next()).OnChangeNum();
}
}
public static PhotoUploadController getFromContext(Context context) {
return SelectPhotoApplication.getInstanse().getPhotoUploadController();
}
private static List<PhotoUpload> checkListForInvalid(final Context context,
final List<PhotoUpload> uploads) {
ArrayList<PhotoUpload> toBeRemoved = null;
for (PhotoUpload upload : uploads) {
if (!upload.isValid(context)) {
if (null == toBeRemoved) {
toBeRemoved = new ArrayList<PhotoUpload>();
}
toBeRemoved.add(upload);
}
}
if (null != toBeRemoved) {
uploads.removeAll(toBeRemoved);
}
return toBeRemoved;
}
private final Context mContext;
private final ArrayList<PhotoUpload> mSelectedPhotoList;
private final ArrayList<PhotoUpload> mUploadingList;
public PhotoUploadController(Context context) {
mContext = context;
mSelectedPhotoList = new ArrayList<PhotoUpload>();
mUploadingList = new ArrayList<PhotoUpload>();
populateFromDatabase();
}
public synchronized boolean addSelection(final PhotoUpload selection) {
boolean result = false;
if (!mSelectedPhotoList.contains(selection)) {
selection.setUploadState(PhotoUpload.STATE_SELECTED);
mSelectedPhotoList.add(selection);
result = true;
}
// Remove it from Upload list if it's there
if (mUploadingList.contains(selection)) {
mUploadingList.remove(selection);
}
notifyMyEvent();
return result;
}
public synchronized void addSelections(List<PhotoUpload> selections) {
final HashSet<PhotoUpload> currentSelectionsSet = new HashSet<PhotoUpload>(
mSelectedPhotoList);
final HashSet<PhotoUpload> currentUploadSet = new HashSet<PhotoUpload>(
mUploadingList);
boolean listModified = false;
for (final PhotoUpload selection : selections) {
if (!currentSelectionsSet.contains(selection)) {
// Remove it from Upload list if it's there
if (currentUploadSet.contains(selection)) {
mUploadingList.remove(selection);
}
selection.setUploadState(PhotoUpload.STATE_SELECTED);
mSelectedPhotoList.add(selection);
listModified = true;
}
}
}
public boolean addUpload(PhotoUpload selection) {
if (null != selection && selection.isValid(mContext)) {
synchronized (this) {
if (!mUploadingList.contains(selection)) {
selection.setUploadState(PhotoUpload.STATE_UPLOAD_WAITING);
mUploadingList.add(selection);
mSelectedPhotoList.remove(selection);
return true;
}
}
}
return false;
}
public synchronized void addUploadsFromSelected() {
ArrayList<PhotoUpload> eventResult = new ArrayList<PhotoUpload>(
mSelectedPhotoList);
mUploadingList.addAll(mSelectedPhotoList);
mSelectedPhotoList.clear();
}
public synchronized void clearSelected() {
if (!mSelectedPhotoList.isEmpty()) {
// Reset States (as may still be in cache)
for (PhotoUpload upload : mSelectedPhotoList) {
upload.setUploadState(PhotoUpload.STATE_NONE);
}
ArrayList<PhotoUpload> eventResult = new ArrayList<PhotoUpload>(
mSelectedPhotoList);
// Clear from memory
mSelectedPhotoList.clear();
}
}
public synchronized int getActiveUploadsCount() {
int count = 0;
for (PhotoUpload upload : mUploadingList) {
if (upload.getUploadState() != PhotoUpload.STATE_UPLOAD_COMPLETED) {
count++;
}
}
return count;
}
public synchronized PhotoUpload getNextUpload() {
for (PhotoUpload selection : mUploadingList) {
if (selection.getUploadState() == PhotoUpload.STATE_UPLOAD_WAITING) {
return selection;
}
}
return null;
}
public synchronized List<PhotoUpload> getSelected() {
checkSelectedForInvalid(true);
return new ArrayList<PhotoUpload>(mSelectedPhotoList);
}
public synchronized int getSelectedCount() {
return mSelectedPhotoList.size();
}
public synchronized List<PhotoUpload> getUploadingUploads() {
return new ArrayList<PhotoUpload>(mUploadingList);
}
public synchronized int getUploadsCount() {
return mUploadingList.size();
}
public synchronized boolean hasSelections() {
return !mSelectedPhotoList.isEmpty();
}
public synchronized boolean hasSelectionsWithPlace() {
for (PhotoUpload selection : mSelectedPhotoList) {
if (selection.hasPlace()) {
return true;
}
}
return false;
}
public synchronized boolean hasUploads() {
return !mUploadingList.isEmpty();
}
public synchronized boolean hasWaitingUploads() {
for (PhotoUpload upload : mUploadingList) {
if (upload.getUploadState() == PhotoUpload.STATE_UPLOAD_WAITING) {
return true;
}
}
return false;
}
public synchronized boolean isOnUploadList(PhotoUpload selection) {
return mUploadingList.contains(selection);
}
public synchronized boolean isSelected(PhotoUpload selection) {
return mSelectedPhotoList.contains(selection);
}
public synchronized boolean moveFailedToSelected() {
boolean result = false;
final Iterator<PhotoUpload> iterator = mUploadingList.iterator();
PhotoUpload upload;
while (iterator.hasNext()) {
upload = iterator.next();
if (upload.getUploadState() == PhotoUpload.STATE_UPLOAD_ERROR) {
// Reset State and add to selection list
upload.setUploadState(PhotoUpload.STATE_SELECTED);
mSelectedPhotoList.add(upload);
// Remove from Uploading list
iterator.remove();
result = true;
}
}
return result;
}
public boolean removeSelection(final PhotoUpload selection) {
boolean removed = false;
synchronized (this) {
removed = mSelectedPhotoList.remove(selection);
}
if (removed) {
// Reset State (as may still be in cache)
selection.setUploadState(PhotoUpload.STATE_NONE);
}
notifyMyEvent();
return removed;
}
public void removeUpload(final PhotoUpload selection) {
boolean removed = false;
synchronized (this) {
removed = mUploadingList.remove(selection);
}
if (removed) {
// Reset State (as may still be in cache)
selection.setUploadState(PhotoUpload.STATE_NONE);
}
}
public void reset() {
// Clear the cache
PhotoUpload.clearCache();
synchronized (this) {
// Clear the internal lists
mSelectedPhotoList.clear();
mUploadingList.clear();
}
}
public synchronized void updateDatabase() {
}
void populateFromDatabase() {
}
private void checkSelectedForInvalid(final boolean sendEvent) {
}
private void checkUploadsForInvalid(final boolean sendEvent) {
}
private void postEvent(Object event) {
}
}