/*
* Copyright (C) 2014 Freddie (Musenkishi) Lust-Hed
*
* 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.musenkishi.wally.fragments;
import android.app.ActivityOptions;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.drawable.TransitionDrawable;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Message;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.ActivityOptionsCompat;
import android.support.v4.app.FragmentManager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.Toast;
import com.bumptech.glide.load.resource.bitmap.GlideBitmapDrawable;
import com.musenkishi.wally.R;
import com.musenkishi.wally.activities.ImageDetailsActivity;
import com.musenkishi.wally.activities.MainActivity;
import com.musenkishi.wally.adapters.RecyclerImagesAdapter;
import com.musenkishi.wally.base.GridFragment;
import com.musenkishi.wally.base.WallyApplication;
import com.musenkishi.wally.dataprovider.DataProvider;
import com.musenkishi.wally.dataprovider.NetworkDataProvider;
import com.musenkishi.wally.dataprovider.models.DataProviderError;
import com.musenkishi.wally.dataprovider.models.SaveImageRequest;
import com.musenkishi.wally.models.Image;
import com.musenkishi.wally.models.ImagePage;
import com.musenkishi.wally.notification.NotificationProvider;
import com.musenkishi.wally.observers.FileReceiver;
import com.musenkishi.wally.observers.FiltersChangeReceiver;
import com.musenkishi.wally.views.AutoGridView;
import com.musenkishi.wally.views.swipeclearlayout.SwipeClearLayout;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import static com.musenkishi.wally.observers.FileReceiver.OnFileChangeListener;
import static com.musenkishi.wally.observers.FiltersChangeReceiver.OnFiltersChangeListener;
/**
* RandomImagesFragment is responsible for showing the user a randomized list of wallpapers.
*
* Created by Freddie (Musenkishi) Lust-Hed on 2014-02-28
*/
public class RandomImagesFragment extends GridFragment implements
RecyclerImagesAdapter.OnSaveButtonClickedListener,
Handler.Callback,
OnFileChangeListener,
OnFiltersChangeListener,
SwipeClearLayout.OnRefreshListener,
SwipeClearLayout.OnSwipeListener {
public static final String TAG = "com.musenkishi.wally.RandomImagesFragment";
private static final int MSG_GET_IMAGES = 119;
private static final int MSG_ERROR_IMAGE_REQUEST = 121;
private static final int MSG_IMAGES_REQUEST_CREATE = 122;
private static final int MSG_IMAGES_REQUEST_APPEND = 123;
private static final int MSG_SAVE_LIST_OF_SAVED_IMAGES = 128;
private static final int MSG_ERROR_IMAGE_SAVING = 129;
private static final int MSG_SAVE_BUTTON_CLICKED = 130;
private static final int MSG_PAGE_RECEIVED = 131;
private static final String STATE_IMAGES = "com.musenkishi.wally.RandomImagesFragment.Images";
private static final String STATE_CURRENT_PAGE = "com.musenkishi.wally.RandomImagesFragment.Current.Page";
private boolean isLoading;
private Handler backgroundHandler;
private Handler uiHandler;
private HashMap<String, Boolean> savedFiles;
private SwipeClearLayout swipeClearLayout;
private int currentPage = 1;
/**
* Returns a new instance of this fragment for the given section
* number.
*/
public static RandomImagesFragment newInstance() {
RandomImagesFragment fragment = new RandomImagesFragment();
Bundle args = new Bundle();
fragment.setArguments(args);
return fragment;
}
public RandomImagesFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
setActionBarColor(getResources().getColor(R.color.Actionbar_Random_Background));
setupHandlers();
getActivity().sendBroadcast(new Intent(FileReceiver.GET_FILES));
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, final Bundle savedInstanceState) {
ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_main_swiperefresh, container, false);
if (rootView != null) {
super.onCreateView(rootView);
gridView = (AutoGridView) rootView.findViewById(R.id.listview);
swipeClearLayout = (SwipeClearLayout) rootView.findViewById(R.id.swipe_container);
swipeClearLayout.setOnRefreshListener(this);
swipeClearLayout.setOnSwipeListener(this);
swipeClearLayout.setCircleColor(getAppBarColor());
final ProgressBar progressBar = (ProgressBar) inflater.inflate(
R.layout.view_custom_progressbar, swipeClearLayout,
false
);
swipeClearLayout.setProgressBar(progressBar);
setupAutoSizeGridView();
if (savedInstanceState != null && savedInstanceState.containsKey(STATE_IMAGES)){
Message msgObj = uiHandler.obtainMessage();
msgObj.what = MSG_IMAGES_REQUEST_CREATE;
msgObj.arg1 = 1;
msgObj.obj = savedInstanceState.getParcelableArrayList(STATE_IMAGES);
uiHandler.sendMessage(msgObj);
currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE);
} else {
showLoader();
getImages(1, null);
}
((MainActivity) getActivity()).addOnFileChangedListener(this);
((MainActivity) getActivity()).addOnFiltersChangedListener(this);
}
return rootView;
}
@Override
public void onSaveInstanceState(Bundle outState) {
if (imagesAdapter != null) {
outState.putParcelableArrayList(STATE_IMAGES, imagesAdapter.getImages());
outState.putInt(STATE_CURRENT_PAGE, currentPage);
}
super.onSaveInstanceState(outState);
}
@Override
public void onDestroy() {
super.onDestroy();
backgroundHandler.removeCallbacksAndMessages(null);
uiHandler.removeCallbacksAndMessages(null);
backgroundHandler.getLooper().quit();
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
gridView.setClipToPadding(false);
setInsets(getActivity(), gridView, false, 0, view.getResources().getDimensionPixelSize(R.dimen.gridview_bottom_padding));
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.images_random, menu);
MenuItem menuItemRefresh = menu.findItem(R.id.action_refresh);
if (menuItemRefresh != null) {
menuItemRefresh.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
showLoader();
onRefresh();
return false;
}
});
}
MenuItem menuItemFilter = menu.findItem(R.id.action_filter);
if (menuItemFilter != null) {
menuItemFilter.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
FragmentManager fragmentManager = getFragmentManager();
if (fragmentManager != null) {
final FilterDialogFragment filterDialogFragment = new FilterDialogFragment();
filterDialogFragment.setPrimaryColor(getAppBarColor());
filterDialogFragment.setPositiveButton(R.string.submit, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
if (filterDialogFragment.saveChanges()) {
WallyApplication.getContext().sendBroadcast(new Intent(FiltersChangeReceiver.FILTERS_CHANGED));
}
}
});
filterDialogFragment.setNegativeButton(R.string.cancel, null);
filterDialogFragment.show(fragmentManager, FilterDialogFragment.TAG);
}
return false;
}
});
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
protected void showLoader() {
swipeClearLayout.setEnabled(false);
swipeClearLayout.setRefreshing(true);
}
@Override
protected void hideLoader() {
swipeClearLayout.setRefreshing(false);
swipeClearLayout.setEnabled(true);
}
private void setupHandlers() {
HandlerThread handlerThread = new HandlerThread("RandomImages.background");
handlerThread.start();
backgroundHandler = new Handler(handlerThread.getLooper(), this);
uiHandler = new Handler(getActivity().getMainLooper(), this);
}
@Override
protected void getImages(int index, String query) {
currentPage = index;
isLoading = true;
Message msgGetImages = backgroundHandler.obtainMessage();
msgGetImages.what = MSG_GET_IMAGES;
msgGetImages.arg1 = index;
if (!backgroundHandler.hasMessages(msgGetImages.what)) {
backgroundHandler.sendMessage(msgGetImages);
}
}
private void showError(DataProviderError dataProviderError, int index) {
Message msgObj = uiHandler.obtainMessage();
msgObj.what = MSG_ERROR_IMAGE_REQUEST;
msgObj.obj = dataProviderError;
msgObj.arg1 = index;
uiHandler.sendMessageDelayed(msgObj, 1000);
}
@Override
public void onSaveButtonClicked(final Image image) {
Message msgSaveButton = backgroundHandler.obtainMessage();
msgSaveButton.what = MSG_SAVE_BUTTON_CLICKED;
msgSaveButton.obj = image;
backgroundHandler.sendMessage(msgSaveButton);
}
@Override
public boolean handleMessage(Message msg) {
switch (msg.what) {
case MSG_GET_IMAGES:
final int index = msg.arg1;
WallyApplication.getDataProviderInstance().getImages(NetworkDataProvider.PATH_RANDOM, index, WallyApplication.getFilterSettings(), new DataProvider.OnImagesReceivedListener() {
@Override
public void onImagesReceived(ArrayList<Image> images) {
Message msgObj = uiHandler.obtainMessage();
msgObj.what = index == 1 ? MSG_IMAGES_REQUEST_CREATE : MSG_IMAGES_REQUEST_APPEND;
msgObj.obj = images;
uiHandler.sendMessage(msgObj);
}
@Override
public void onError(DataProviderError dataProviderError) {
showError(dataProviderError, index);
}
});
break;
case MSG_SAVE_BUTTON_CLICKED:
Image image = (Image) msg.obj;
WallyApplication.getDataProviderInstance().getPageData(image.imagePageURL(), new DataProvider.OnPageReceivedListener() {
@Override
public void onPageReceived(ImagePage imagePage) {
Message msgImagePage = uiHandler.obtainMessage();
msgImagePage.what = MSG_PAGE_RECEIVED;
msgImagePage.obj = imagePage;
uiHandler.sendMessage(msgImagePage);
}
@Override
public void onError(DataProviderError dataProviderError) {
Message msgObj = uiHandler.obtainMessage();
msgObj.what = MSG_ERROR_IMAGE_SAVING;
msgObj.obj = dataProviderError;
uiHandler.sendMessage(msgObj);
}
});
break;
case MSG_PAGE_RECEIVED:
ImagePage imagePage = (ImagePage) msg.obj;
if (imagePage != null) {
SaveImageRequest saveImageRequest = WallyApplication.getDataProviderInstance().downloadImageIfNeeded(
imagePage.imagePath(),
imagePage.imageId(),
getResources().getString(R.string.notification_title_image_saving));
if (saveImageRequest.getDownloadID() != null && getActivity() instanceof MainActivity){
WallyApplication.getDownloadIDs().put(saveImageRequest.getDownloadID(), imagePage.imageId());
} else {
getActivity().sendBroadcast(new Intent(FileReceiver.GET_FILES));
}
}
break;
case MSG_ERROR_IMAGE_REQUEST:
if (getActivity() != null) {
DataProviderError dataProviderError = (DataProviderError) msg.obj;
int imagesIndex = msg.arg1;
showErrorMessage(dataProviderError, imagesIndex);
}
break;
case MSG_ERROR_IMAGE_SAVING:
if (getActivity() != null) {
NotificationProvider notificationProvider = new NotificationProvider();
notificationProvider.cancelAll(getActivity());
Toast.makeText(getActivity(), "Couldn't save image", Toast.LENGTH_SHORT).show();
}
break;
case MSG_IMAGES_REQUEST_CREATE:
ArrayList<Image> images = (ArrayList<Image>) msg.obj;
boolean shouldScheduleLayoutAnimation = msg.arg1 == 0;
isLoading = false;
if (images != null) {
hideLoader();
imagesAdapter = new RecyclerImagesAdapter(images, itemSize);
imagesAdapter.setOnSaveButtonClickedListener(RandomImagesFragment.this);
imagesAdapter.updateSavedFilesList(savedFiles);
gridView.setAdapter(imagesAdapter);
setupAdapter();
if (shouldScheduleLayoutAnimation) {
gridView.scheduleLayoutAnimation();
}
}
break;
case MSG_IMAGES_REQUEST_APPEND:
ArrayList<Image> extraImages = (ArrayList<Image>) msg.obj;
isLoading = false;
if (extraImages != null) {
hideLoader();
int endPosition = imagesAdapter.getItemCount();
ArrayList<Image> currentList = imagesAdapter.getImages();
currentList.addAll(extraImages);
imagesAdapter.notifyItemRangeInserted(endPosition, extraImages.size());
}
break;
case MSG_SAVE_LIST_OF_SAVED_IMAGES:
savedFiles = (HashMap<String, Boolean>) msg.obj;
if (imagesAdapter != null) {
imagesAdapter.updateSavedFilesList(savedFiles);
imagesAdapter.notifySavedItemsChanged();
}
break;
}
return false;
}
private void setupAdapter() {
imagesAdapter.setOnGetViewListener(new RecyclerImagesAdapter.OnGetViewListener() {
@Override
public void onBindView(int position) {
int defaultNumberOfItemsPerPage = NetworkDataProvider.THUMBS_PER_PAGE;
boolean shouldLoadMore = position >= imagesAdapter.getItemCount() - (defaultNumberOfItemsPerPage / 2);
if (shouldLoadMore && !isLoading && imagesAdapter.getItemCount() > 0) {
getImages(++currentPage, null);
}
}
});
imagesAdapter.setOnItemClickListener(new RecyclerImagesAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, int position) {
Image image = (Image) imagesAdapter.getItem(position);
Intent intent = new Intent(Intent.ACTION_VIEW,
Uri.parse(image.imagePageURL()),
view.getContext(),
ImageDetailsActivity.class);
ImageView thumbnailImageView = (ImageView) view.findViewById(R.id.thumb_image_view);
Bitmap thumb = null;
intent.putExtra(ImageDetailsActivity.INTENT_EXTRA_IMAGE, image);
if (thumbnailImageView != null && thumbnailImageView.getDrawable() != null
&& thumbnailImageView.getDrawable() instanceof GlideBitmapDrawable) {
GlideBitmapDrawable glideBitmapDrawable = (GlideBitmapDrawable) thumbnailImageView.getDrawable();
thumb = glideBitmapDrawable.getBitmap();
} else if (thumbnailImageView != null && thumbnailImageView.getDrawable() != null
&& thumbnailImageView.getDrawable() instanceof TransitionDrawable) {
GlideBitmapDrawable squaringDrawable = (GlideBitmapDrawable) ((TransitionDrawable) thumbnailImageView.getDrawable()).getDrawable(1);
thumb = squaringDrawable.getBitmap();
}
WallyApplication.setBitmapThumb(thumb);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
String transitionNameImage = getString(R.string.transition_image_details);
ActivityOptionsCompat options =
ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity(),
android.support.v4.util.Pair.create(view.findViewById(R.id.thumb_image_view), transitionNameImage)
);
ActivityCompat.startActivityForResult(getActivity(), intent, ImageDetailsActivity.REQUEST_EXTRA_TAG, options.toBundle());
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
view.buildDrawingCache(true);
Bitmap drawingCache = view.getDrawingCache(true);
Bundle bundle = ActivityOptions.makeThumbnailScaleUpAnimation(view, drawingCache, 0, 0).toBundle();
getActivity().startActivityForResult(intent, REQUEST_CODE, bundle);
} else {
startActivityForResult(intent, REQUEST_CODE);
}
}
});
}
@Override
public void onRefresh() {
getImages(1, null);
}
@Override
public void onFiltersChange() {
showLoader();
onRefresh();
}
@Override
public void onSwipe(int progress, int pixels) {
}
@Override
public void onFileChange(Map<String, Boolean> existingFiles) {
Message fileListMessage = uiHandler.obtainMessage();
fileListMessage.obj = existingFiles;
fileListMessage.what = MSG_SAVE_LIST_OF_SAVED_IMAGES;
uiHandler.sendMessage(fileListMessage);
}
}