Java tutorial
/** * The MIT License (MIT) Copyright (c) 2013 Chute Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.getchute.android.photopickerplus.ui.fragment; import android.annotation.SuppressLint; import android.app.Activity; import android.database.Cursor; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.LoaderManager.LoaderCallbacks; import android.support.v4.content.Loader; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; 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.ProgressBar; import com.chute.sdk.v2.api.accounts.GCAccounts; import com.chute.sdk.v2.api.authentication.TokenAuthenticationProvider; import com.chute.sdk.v2.model.AccountAlbumModel; import com.chute.sdk.v2.model.AccountBaseModel; import com.chute.sdk.v2.model.AccountMediaModel; import com.chute.sdk.v2.model.AccountModel; import com.chute.sdk.v2.model.enums.AccountType; import com.chute.sdk.v2.model.response.ResponseModel; import com.dg.libs.rest.callbacks.HttpCallback; import com.dg.libs.rest.domain.ResponseStatus; import com.getchute.android.photopickerplus.R; import com.getchute.android.photopickerplus.callback.ImageDataResponseLoader; import com.getchute.android.photopickerplus.config.PhotoPicker; import com.getchute.android.photopickerplus.loaders.LocalImagesAsyncTaskLoader; import com.getchute.android.photopickerplus.loaders.LocalVideosAsyncTaskLoader; import com.getchute.android.photopickerplus.models.DeliverMediaModel; import com.getchute.android.photopickerplus.models.enums.DisplayType; import com.getchute.android.photopickerplus.models.enums.PhotoFilterType; import com.getchute.android.photopickerplus.ui.activity.AssetActivity; import com.getchute.android.photopickerplus.ui.activity.ServicesActivity; import com.getchute.android.photopickerplus.ui.adapter.AssetAccountRecyclerAdapter; import com.getchute.android.photopickerplus.ui.adapter.CursorAdapterImages; import com.getchute.android.photopickerplus.ui.adapter.CursorAdapterVideos; import com.getchute.android.photopickerplus.ui.adapter.MergeRecyclerAdapter; import com.getchute.android.photopickerplus.ui.listener.ListenerFilesAccount; import com.getchute.android.photopickerplus.ui.listener.ListenerFilesCursor; import com.getchute.android.photopickerplus.ui.listener.ListenerFragmentRoot; import com.getchute.android.photopickerplus.ui.listener.ListenerItemCount; import com.getchute.android.photopickerplus.util.AppUtil; import com.getchute.android.photopickerplus.util.AssetUtil; import com.getchute.android.photopickerplus.util.Constants; import com.getchute.android.photopickerplus.util.FragmentUtil; import com.getchute.android.photopickerplus.util.NotificationUtil; import com.getchute.android.photopickerplus.util.PhotoPickerPreferenceUtil; import com.getchute.android.photopickerplus.util.UIUtil; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Random; public class FragmentRoot extends ActionBarFragment implements AssetAccountRecyclerAdapter.AdapterItemClickListener, ListenerItemCount { private CursorAdapterImages adapterImages; private CursorAdapterVideos adapterVideos; private AssetAccountRecyclerAdapter adapterAccounts; private MergeRecyclerAdapter adapterMerge; private ProgressBar progressBar; private RecyclerView recyclerView; private boolean supportVideos; private boolean supportImages; private boolean isMultipicker; private List<Integer> selectedAccountsPositions; private List<Integer> selectedImagePositions; private List<Integer> selectedVideoPositions; private AccountModel account; private PhotoFilterType filterType; private AccountType accountType; private Map<AccountType, DisplayType> accountMap; private DisplayType displayType; private ListenerFilesCursor cursorListener; private ListenerFilesAccount accountListener; private ListenerFragmentRoot fragmetRootListener; private int imagesCount = 0; private int videosCount = 0; public static FragmentRoot newInstance(AccountModel account, PhotoFilterType filterType, List<Integer> selectedAccountsPositions, List<Integer> selectedImagePositions, List<Integer> selectedVideoPositions) { FragmentRoot frag = new FragmentRoot(); frag.account = account; frag.filterType = filterType; frag.selectedAccountsPositions = selectedAccountsPositions; frag.selectedImagePositions = selectedImagePositions; frag.selectedVideoPositions = selectedVideoPositions; Bundle args = new Bundle(); frag.setArguments(args); return frag; } @Override public void onAttach(Activity activity) { super.onAttach(activity); cursorListener = (ListenerFilesCursor) activity; accountListener = (ListenerFilesAccount) activity; fragmetRootListener = (ListenerFragmentRoot) activity; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); setHasOptionsMenu(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { isMultipicker = PhotoPicker.getInstance().isMultiPicker(); supportVideos = PhotoPicker.getInstance().supportVideos(); supportImages = PhotoPicker.getInstance().supportImages(); accountType = PhotoPickerPreferenceUtil.get().getAccountType(); accountMap = PhotoPicker.getInstance().getAccountDisplayType(); displayType = AppUtil.getDisplayType(accountMap, PhotoPicker.getInstance().getDefaultAccountDisplayType(), accountType); View view = inflater.inflate(R.layout.gc_fragment_assets, container, false); getActionBarActivity().getSupportActionBar() .setTitle(UIUtil.getActionBarTitle(getActivity(), accountType, filterType)); return view; } @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); initView(view); if (savedInstanceState == null) { updateFragment(account, filterType, selectedAccountsPositions, selectedImagePositions, selectedVideoPositions); } } private void initView(View view) { recyclerView = (RecyclerView) view.findViewById(R.id.gcRecyclerViewAssets); recyclerView.setHasFixedSize(true); if (displayType == DisplayType.LIST && filterType == PhotoFilterType.SOCIAL_MEDIA) { final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getActivity()); recyclerView.setLayoutManager(linearLayoutManager); } else { final GridLayoutManager gridLayoutManager = new GridLayoutManager(getActivity(), getResources().getInteger(R.integer.grid_columns_assets)); recyclerView.setLayoutManager(gridLayoutManager); } progressBar = (ProgressBar) view.findViewById(R.id.progressBar); } @SuppressLint("NewApi") @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); MenuItem menuItemUse = menu.add(0, AssetActivity.USE_ITEM, 0, R.string.button_use_media); menuItemUse.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case ServicesActivity.LOGOUT_ITEM: if (getResources().getBoolean(R.bool.has_two_panes)) { FragmentUtil.replaceContentWithEmptyFragment(getActivity()); } NotificationUtil.makeToast(getActivity().getApplicationContext(), R.string.toast_signed_out); TokenAuthenticationProvider.getInstance().clearAuth(); PhotoPickerPreferenceUtil.get().clearAll(); break; case AssetActivity.USE_ITEM: useMedia(); break; case android.R.id.home: if (getResources().getBoolean(R.bool.has_two_panes)) { getActivity().finish(); } else { fragmetRootListener.onFragmentRootNavigationBack(); } break; } return super.onOptionsItemSelected(item); } public void updateFragment(AccountModel account, PhotoFilterType filterType, List<Integer> selectedAccountsPositions, List<Integer> selectedImagePositions, List<Integer> selectedVideoPositions) { this.filterType = filterType; this.selectedAccountsPositions = selectedAccountsPositions; this.account = account; if ((filterType == PhotoFilterType.ALL_MEDIA) || (filterType == PhotoFilterType.CAMERA_ROLL)) { adapterMerge = new MergeRecyclerAdapter(); adapterImages = new CursorAdapterImages(getActivity(), null, cursorListener, this); adapterVideos = new CursorAdapterVideos(getActivity(), null, cursorListener, this); adapterMerge.addAdapter(adapterVideos); adapterMerge.addAdapter(adapterImages); recyclerView.setAdapter(adapterMerge); Random random = new Random(); if (supportImages) { int imageLoaderId = random.nextInt(Integer.MAX_VALUE) + 1; getActivity().getSupportLoaderManager().initLoader(imageLoaderId, null, new ImagesLoaderCallback(selectedImagePositions)); } if (supportVideos) { int videoLoaderId = random.nextInt(Integer.MAX_VALUE) + 1; getActivity().getSupportLoaderManager().initLoader(videoLoaderId, null, new VideosLoaderCallback(selectedVideoPositions)); } } else if (filterType == PhotoFilterType.SOCIAL_MEDIA && getActivity() != null) { if (!supportVideos && accountType.equals(AccountType.YOUTUBE)) { progressBar.setVisibility(View.GONE); } else { GCAccounts.accountRoot(accountType.name().toLowerCase(), account.getShortcut(), new RootCallback()) .executeAsync(); } } } private final class RootCallback implements HttpCallback<ResponseModel<AccountBaseModel>> { @Override public void onHttpError(ResponseStatus responseStatus) { if (getActivity() != null) { progressBar.setVisibility(View.GONE); if (responseStatus.getStatusCode() == Constants.HTTP_ERROR_CODE_UNAUTHORIZED) { NotificationUtil.makeExpiredSessionLogginInAgainToast(getActivity().getApplicationContext()); accountListener.onSessionExpired(accountType); } else { NotificationUtil.makeConnectionProblemToast(getActivity().getApplicationContext()); } } } @Override public void onSuccess(ResponseModel<AccountBaseModel> responseData, ResponseStatus responseStatus) { progressBar.setVisibility(View.GONE); if (responseData != null && getActivity() != null) { adapterAccounts = new AssetAccountRecyclerAdapter(getActivity(), AssetUtil.filterFiles(responseData.getData(), supportImages, supportVideos), FragmentRoot.this, displayType, FragmentRoot.this); recyclerView.setAdapter(adapterAccounts); if (selectedAccountsPositions != null) { for (int position : selectedAccountsPositions) { adapterAccounts.toggleTick(position); } } NotificationUtil.showPhotosAdapterToast(getActivity().getApplicationContext(), adapterAccounts.getItemCount()); } } } /* * DEVICE IMAGES LOADER */ private final class ImagesLoaderCallback implements LoaderCallbacks<Cursor> { private List<Integer> imagePositions; private ImagesLoaderCallback(List<Integer> imagePositions) { this.imagePositions = imagePositions; } @Override public Loader<Cursor> onCreateLoader(int id, Bundle bundle) { return new LocalImagesAsyncTaskLoader(getActivity().getApplicationContext(), filterType); } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { if (cursor == null) { return; } progressBar.setVisibility(View.GONE); adapterImages.changeCursor(cursor); if (imagePositions != null) { for (int selectedPosition : imagePositions) { adapterImages.toggleTick(selectedPosition); } } NotificationUtil.showPhotosAdapterToast(getActivity().getApplicationContext(), adapterImages.getItemCount()); } @Override public void onLoaderReset(Loader<Cursor> loader) { // TODO Auto-generated method stub // adapterImages.swapCursor(null); } } /* * DEVICE VIDEOS LOADER */ private final class VideosLoaderCallback implements LoaderCallbacks<Cursor> { private List<Integer> videoPositions; private VideosLoaderCallback(List<Integer> videoPositions) { this.videoPositions = videoPositions; } @Override public Loader<Cursor> onCreateLoader(int id, Bundle bundle) { return new LocalVideosAsyncTaskLoader(getActivity().getApplicationContext(), filterType); } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { if (cursor == null) { return; } progressBar.setVisibility(View.GONE); adapterVideos.changeCursor(cursor); if (videoPositions != null) { for (int selectedPoosition : videoPositions) { adapterVideos.toggleTick(selectedPoosition); } } } @Override public void onLoaderReset(Loader<Cursor> loader) { // TODO Auto-generated method stub } } public void useMedia() { if (filterType == PhotoFilterType.SOCIAL_MEDIA) { if (!adapterAccounts.getPhotoCollection().isEmpty()) { ImageDataResponseLoader.postImageData(getActivity().getApplicationContext(), adapterAccounts.getPhotoCollection(), accountListener, account); } } else if ((filterType == PhotoFilterType.ALL_MEDIA) || (filterType == PhotoFilterType.CAMERA_ROLL)) { List<DeliverMediaModel> deliverList = new ArrayList<>(); if (!adapterImages.getSelectedFilePaths().isEmpty()) { deliverList.addAll(adapterImages.getSelectedFilePaths()); } if (!adapterVideos.getSelectedFilePaths().isEmpty()) { deliverList.addAll(adapterVideos.getSelectedFilePaths()); } cursorListener.onDeliverCursorAssets(deliverList); } } @Override public void onFolderClicked(int position) { AccountAlbumModel album = (AccountAlbumModel) adapterAccounts.getItem(position); accountListener.onAccountFolderSelect(account, album.getId()); } @Override public void onFileClicked(int position) { if (isMultipicker) { adapterAccounts.toggleTick(position); } else { ArrayList<AccountMediaModel> accountMediaModelList = new ArrayList<>(); accountMediaModelList.add((AccountMediaModel) adapterAccounts.getItem(position)); ImageDataResponseLoader.postImageData(getActivity().getApplicationContext(), accountMediaModelList, accountListener, account); } } @Override public void onSelectedImagesCount(int count) { imagesCount = count; } @Override public void onSelectedVideosCount(int count) { videosCount = count; } }