/*
* Copyright 2015 Hippo Seven
*
* 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.hippo.nimingban.ui;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.text.TextUtils;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.h6ah4i.android.widget.advrecyclerview.animator.GeneralItemAnimator;
import com.h6ah4i.android.widget.advrecyclerview.animator.SwipeDismissItemAnimator;
import com.h6ah4i.android.widget.advrecyclerview.swipeable.RecyclerViewSwipeManager;
import com.h6ah4i.android.widget.advrecyclerview.swipeable.SwipeableItemAdapter;
import com.h6ah4i.android.widget.advrecyclerview.swipeable.SwipeableItemConstants;
import com.h6ah4i.android.widget.advrecyclerview.swipeable.action.SwipeResultAction;
import com.h6ah4i.android.widget.advrecyclerview.swipeable.action.SwipeResultActionRemoveItem;
import com.h6ah4i.android.widget.advrecyclerview.touchguard.RecyclerViewTouchActionGuardManager;
import com.h6ah4i.android.widget.advrecyclerview.utils.AbstractSwipeableItemViewHolder;
import com.h6ah4i.android.widget.advrecyclerview.utils.WrapperAdapterUtils;
import com.hippo.easyrecyclerview.EasyRecyclerView;
import com.hippo.easyrecyclerview.MarginItemDecoration;
import com.hippo.easyrecyclerview.RawMarginItemDecoration;
import com.hippo.nimingban.Constants;
import com.hippo.nimingban.NMBApplication;
import com.hippo.nimingban.R;
import com.hippo.nimingban.client.NMBClient;
import com.hippo.nimingban.client.NMBRequest;
import com.hippo.nimingban.client.data.ACSite;
import com.hippo.nimingban.client.data.Post;
import com.hippo.nimingban.client.data.Site;
import com.hippo.nimingban.util.ReadableTime;
import com.hippo.nimingban.util.Settings;
import com.hippo.nimingban.widget.ContentLayout;
import com.hippo.nimingban.widget.FontTextView;
import com.hippo.nimingban.widget.LoadImageView;
import com.hippo.ripple.Ripple;
import com.hippo.util.DrawableManager;
import com.hippo.widget.Snackbar;
import com.hippo.yorozuya.LayoutUtils;
import com.hippo.yorozuya.Messenger;
import com.hippo.yorozuya.NumberUtils;
import com.hippo.yorozuya.ObjectUtils;
import com.hippo.yorozuya.ResourcesUtils;
import java.lang.ref.WeakReference;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import jp.wasabeef.recyclerview.animators.SlideInUpAnimator;
public final class FeedActivity extends TranslucentActivity implements EasyRecyclerView.OnItemClickListener {
private static final String TAG = FeedActivity.class.getSimpleName();
private NMBClient mNMBClient;
private FeedHelper mFeedHelper;
private ContentLayout mContentLayout;
private EasyRecyclerView mRecyclerView;
private RecyclerView.Adapter mAdapter;
private RecyclerView.Adapter mWrappedAdapter;
private RecyclerViewSwipeManager mRecyclerViewSwipeManager;
private RecyclerViewTouchActionGuardManager mRecyclerViewTouchActionGuardManager;
private RecyclerView.OnScrollListener mOnScrollListener;
private NMBRequest mNMBRequest;
private List<WeakReference<FeedHolder>> mHolderList = new LinkedList<>();
@Override
protected int getLightThemeResId() {
return Settings.getColorStatusBar() ? R.style.NormalActivity : R.style.NormalActivity_NoStatus;
}
@Override
protected int getDarkThemeResId() {
return Settings.getColorStatusBar() ? R.style.NormalActivity_Dark : R.style.NormalActivity_Dark_NoStatus;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mNMBClient = NMBApplication.getNMBClient(this);
setStatusBarColor(ResourcesUtils.getAttrColor(this, R.attr.colorPrimaryDark));
ToolbarActivityHelper.setContentView(this, R.layout.activity_feed);
setActionBarUpIndicator(DrawableManager.getDrawable(this, R.drawable.v_arrow_left_dark_x24));
mContentLayout = (ContentLayout) findViewById(R.id.content_layout);
mRecyclerView = mContentLayout.getRecyclerView();
mFeedHelper = new FeedHelper();
mFeedHelper.setEmptyString(getString(R.string.no_feed));
mContentLayout.setHelper(mFeedHelper);
if (Settings.getFastScroller()) {
mContentLayout.showFastScroll();
} else {
mContentLayout.hideFastScroll();
}
// Layout Manager
int interval = getResources().getDimensionPixelOffset(R.dimen.card_interval);
if (getResources().getBoolean(R.bool.two_way)) {
mRecyclerView.setLayoutManager(new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL));
MarginItemDecoration decoration = new MarginItemDecoration(interval, interval, interval, interval, interval);
mRecyclerView.addItemDecoration(decoration);
decoration.applyPaddings(mRecyclerView);
mRecyclerView.setItemAnimator(new SlideInUpAnimator());
} else {
int halfInterval = interval / 2;
mRecyclerView.addItemDecoration(new RawMarginItemDecoration(0, halfInterval, 0, halfInterval));
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
mRecyclerView.setPadding(0, halfInterval, 0, halfInterval);
}
// touch guard manager (this class is required to suppress scrolling while swipe-dismiss animation is running)
mRecyclerViewTouchActionGuardManager = new RecyclerViewTouchActionGuardManager();
mRecyclerViewTouchActionGuardManager.setInterceptVerticalScrollingWhileAnimationRunning(true);
mRecyclerViewTouchActionGuardManager.setEnabled(true);
// swipe manager
mRecyclerViewSwipeManager = new RecyclerViewSwipeManager();
mAdapter = new FeedAdapter();
mAdapter.setHasStableIds(true);
mWrappedAdapter = mRecyclerViewSwipeManager.createWrappedAdapter(mAdapter); // wrap for swiping
final GeneralItemAnimator animator = new SwipeDismissItemAnimator();
// Change animations are enabled by default since support-v7-recyclerview v22.
// Disable the change animation in order to make turning back animation of swiped item works properly.
animator.setSupportsChangeAnimations(false);
mRecyclerView.hasFixedSize();
mRecyclerView.setAdapter(mWrappedAdapter); // requires *wrapped* adapter
mRecyclerView.setItemAnimator(animator);
mRecyclerView.setOnItemClickListener(this);
mRecyclerView.setSelector(Ripple.generateRippleDrawable(this, ResourcesUtils.getAttrBoolean(this, R.attr.dark)));
mRecyclerView.setDrawSelectorOnTop(true);
mRecyclerView.setClipToPadding(false);
mRecyclerView.setClipChildren(false);
mOnScrollListener = new RecyclerView.OnScrollListener() {
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
if (RecyclerView.SCROLL_STATE_DRAGGING == newState) {
pauseHolders();
} else if (RecyclerView.SCROLL_STATE_IDLE == newState) {
resumeHolders();
}
}
};
mRecyclerView.addOnScrollListener(mOnScrollListener);
// NOTE:
// The initialization order is very important! This order determines the priority of touch event handling.
//
// priority: TouchActionGuard > Swipe > DragAndDrop
mRecyclerViewTouchActionGuardManager.attachRecyclerView(mRecyclerView);
mRecyclerViewSwipeManager.attachRecyclerView(mRecyclerView);
mFeedHelper.firstRefresh();
Messenger.getInstance().register(Constants.MESSENGER_ID_FAST_SCROLLER, this);
}
@Override
protected void onDestroy() {
super.onDestroy();
Messenger.getInstance().unregister(Constants.MESSENGER_ID_FAST_SCROLLER, this);
if (mRecyclerViewSwipeManager != null) {
mRecyclerViewSwipeManager.release();
mRecyclerViewSwipeManager = null;
}
if (mRecyclerViewTouchActionGuardManager != null) {
mRecyclerViewTouchActionGuardManager.release();
mRecyclerViewTouchActionGuardManager = null;
}
if (mOnScrollListener != null) {
mRecyclerView.removeOnScrollListener(mOnScrollListener);
mOnScrollListener = null;
}
if (mRecyclerView != null) {
mRecyclerView.setItemAnimator(null);
mRecyclerView.setAdapter(null);
mRecyclerView = null;
}
if (mWrappedAdapter != null) {
WrapperAdapterUtils.releaseAll(mWrappedAdapter);
mWrappedAdapter = null;
}
mAdapter = null;
if (mNMBRequest != null) {
mNMBRequest.cancel();
mNMBRequest = null;
}
for (WeakReference<FeedHolder> ref : mHolderList) {
FeedHolder holder = ref.get();
if (holder != null) {
holder.thumb.unload();
}
}
mHolderList.clear();
}
private void resumeHolders() {
Iterator<WeakReference<FeedHolder>> iterator = mHolderList.iterator();
while (iterator.hasNext()) {
FeedHolder holder = iterator.next().get();
if (holder != null) {
// Only resume attached view holder
if (holder.itemView.getParent() != null) {
holder.thumb.start();
}
} else {
iterator.remove();
}
}
}
@Override
public void onResume() {
super.onResume();
resumeHolders();
}
private void pauseHolders() {
Iterator<WeakReference<FeedHolder>> iterator = mHolderList.iterator();
while (iterator.hasNext()) {
FeedHolder holder = iterator.next().get();
if (holder != null) {
holder.thumb.stop();
} else {
iterator.remove();
}
}
}
@Override
public void onPause() {
super.onPause();
pauseHolders();
}
@Override
public void onReceive(int id, Object obj) {
if (Constants.MESSENGER_ID_FAST_SCROLLER == id) {
if (obj instanceof Boolean) {
if ((Boolean) obj) {
mContentLayout.showFastScroll();
} else {
mContentLayout.hideFastScroll();
}
}
} else {
super.onReceive(id, obj);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public boolean onItemClick(EasyRecyclerView parent, View view, int position, long id) {
Intent intent = new Intent(this, PostActivity.class);
intent.setAction(PostActivity.ACTION_POST);
intent.putExtra(PostActivity.KEY_POST, mFeedHelper.getDataAt(position));
startActivity(intent);
return true;
}
private class FeedHolder extends AbstractSwipeableItemViewHolder implements View.OnClickListener {
public View swipable;
public TextView leftText;
public TextView centerText;
public TextView rightText;
private FontTextView content;
private LoadImageView thumb;
public FeedHolder(View itemView) {
super(itemView);
swipable = itemView.findViewById(R.id.swipable);
leftText = (TextView) itemView.findViewById(R.id.left_text);
centerText = (TextView) itemView.findViewById(R.id.center_text);
rightText = (TextView) itemView.findViewById(R.id.right_text);
content = (FontTextView) itemView.findViewById(R.id.content);
thumb = (LoadImageView) itemView.findViewById(R.id.thumb);
thumb.setOnClickListener(this);
}
@Override
public void onClick(View v) {
int position = getAdapterPosition();
if (position >= 0 && position < mFeedHelper.size()) {
Post post = mFeedHelper.getDataAt(position);
String key = post.getNMBImageKey();
String image = post.getNMBImageUrl();
if (!TextUtils.isEmpty(key) && !TextUtils.isEmpty(image)) {
Intent intent = new Intent(FeedActivity.this, GalleryActivity2.class);
intent.setAction(GalleryActivity2.ACTION_SINGLE_IMAGE);
intent.putExtra(GalleryActivity2.KEY_SITE, post.getNMBSite().getId());
intent.putExtra(GalleryActivity2.KEY_ID, post.getNMBId());
intent.putExtra(GalleryActivity2.KEY_KEY, key);
intent.putExtra(GalleryActivity2.KEY_IMAGE, image);
FeedActivity.this.startActivity(intent);
}
}
}
@Override
public View getSwipeableContainerView() {
return swipable;
}
}
private class FeedAdapter extends RecyclerView.Adapter<FeedHolder> implements SwipeableItemAdapter<FeedHolder> {
@Override
public FeedHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
FeedHolder holder = new FeedHolder(getLayoutInflater().inflate(R.layout.item_feed, viewGroup, false));
mHolderList.add(new WeakReference<>(holder));
return holder;
}
@Override
public void onBindViewHolder(FeedHolder holder, int i) {
Post post = mFeedHelper.getDataAt(i);
holder.leftText.setText(post.getNMBDisplayUsername());
holder.centerText.setText("No." + post.getNMBId());
holder.rightText.setText(ReadableTime.getDisplayTime(post.getNMBTime()));
holder.content.setText(post.getNMBDisplayContent());
String thumbKey = post.getNMBThumbKey();
String thumbUrl = post.getNMBThumbUrl();
boolean showImage;
boolean loadFromNetwork;
int ils = Settings.getImageLoadingStrategy();
if (ils == Settings.IMAGE_LOADING_STRATEGY_ALL ||
(ils == Settings.IMAGE_LOADING_STRATEGY_WIFI && NMBApplication.isConnectedWifi(FeedActivity.this))) {
showImage = true;
loadFromNetwork = true;
} else {
showImage = Settings.getImageLoadingStrategy2();
loadFromNetwork = false;
}
if (!TextUtils.isEmpty(thumbKey) && !TextUtils.isEmpty(thumbUrl) && showImage) {
holder.thumb.setVisibility(View.VISIBLE);
holder.thumb.unload();
holder.thumb.load(thumbKey, thumbUrl, loadFromNetwork);
} else {
holder.thumb.setVisibility(View.GONE);
holder.thumb.unload();
}
holder.content.setTextSize(Settings.getFontSize());
holder.content.setLineSpacing(LayoutUtils.dp2pix(FeedActivity.this, Settings.getLineSpacing()), 1.0f);
if (Settings.getFixEmojiDisplay()) {
holder.content.useCustomTypeface();
} else {
holder.content.useOriginalTypeface();
}
}
@Override
public long getItemId(int position) {
Post post = mFeedHelper.getDataAt(position);
return NumberUtils.parseLongSafely(post.getNMBId(), 0L);
}
@Override
public int getItemCount() {
return mFeedHelper.size();
}
@Override
public void onViewAttachedToWindow(FeedHolder holder) {
holder.thumb.start();
}
@Override
public void onViewDetachedFromWindow(FeedHolder holder) {
holder.thumb.stop();
}
@Override
public int onGetSwipeReactionType(FeedHolder holder, int position, int x, int y) {
return SwipeableItemConstants.REACTION_CAN_SWIPE_BOTH_H;
}
@Override
public void onSetSwipeBackground(FeedHolder holder, int position, int type) {
// Empty
}
@Override
public void onSwipeItemStarted(FeedHolder holder, int position) {
mFeedHelper.setEnable(false);
}
@Override
public SwipeResultAction onSwipeItem(FeedHolder holder, int position, int result) {
mFeedHelper.setEnable(true);
switch (result) {
// swipe right
case SwipeableItemConstants.RESULT_SWIPED_RIGHT:
case SwipeableItemConstants.RESULT_SWIPED_LEFT:
return new DeleteAction(position);
case SwipeableItemConstants.RESULT_CANCELED:
default:
return null;
}
}
}
private class DeleteAction extends SwipeResultActionRemoveItem {
private int mPosition;
public DeleteAction(int position) {
mPosition = position;
}
@Override
protected void onPerformAction() {
super.onPerformAction();
final int position = mPosition;
String previousId;
String nextId;
if (position <= 0) {
previousId = null;
} else {
previousId = mFeedHelper.getDataAt(position - 1).getNMBId();
}
if (position >= mFeedHelper.size() - 1) {
nextId = null;
} else {
nextId = mFeedHelper.getDataAt(position + 1).getNMBId();
}
final Post post = mFeedHelper.getDataAt(position);
final String id = post.getNMBId();
final String oldPreviousId = previousId;
final String oldNextId = nextId;
mFeedHelper.removeAt(position);
if (mFeedHelper.size() == 0) {
mFeedHelper.showEmptyString();
}
Snackbar snackbar = Snackbar.make(mRecyclerView, R.string.feed_deleted, Snackbar.LENGTH_LONG);
snackbar.setAction(R.string.undo, new View.OnClickListener() {
@Override
public void onClick(View v) {
String previousId;
String nextId;
if (position <= 0) {
previousId = null;
} else {
previousId = mFeedHelper.getDataAt(position - 1).getNMBId();
}
if (position >= mFeedHelper.size()) {
nextId = null;
} else {
nextId = mFeedHelper.getDataAt(position).getNMBId();
}
if (ObjectUtils.equal(previousId, oldPreviousId) && ObjectUtils.equal(nextId, oldNextId)) {
mFeedHelper.addAt(position, post);
if (mFeedHelper.size() != 0) {
mFeedHelper.showContent();
}
} else {
mFeedHelper.refresh();
}
}
});
snackbar.setCallback(new Snackbar.Callback() {
@Override
public void onDismissed(Snackbar snackbar, int event) {
if (event != DISMISS_EVENT_ACTION) {
NMBRequest request = new NMBRequest();
request.setSite(ACSite.getInstance());
request.setMethod(NMBClient.METHOD_DEL_FEED);
request.setArgs(ACSite.getInstance().getUserId(FeedActivity.this), id);
request.setCallback(new DelFeedListener());
mNMBClient.execute(request);
}
}
});
snackbar.show();
}
}
private class FeedHelper extends ContentLayout.ContentHelper<Post> {
@Override
protected void getPageData(int taskId, int type, int page) {
Site site = ACSite.getInstance(); // TODO only AC ?
NMBRequest request = new NMBRequest();
mNMBRequest = request;
request.setSite(site);
request.setMethod(NMBClient.METHOD_GET_FEED);
request.setArgs(site.getUserId(FeedActivity.this), page);
request.setCallback(new FeedListener(taskId, page, request));
mNMBClient.execute(request);
}
@Override
protected Context getContext() {
return FeedActivity.this;
}
@Override
protected void notifyDataSetChanged() {
mAdapter.notifyDataSetChanged();
}
@Override
protected void notifyItemRangeRemoved(int positionStart, int itemCount) {
mAdapter.notifyItemRangeRemoved(positionStart, itemCount);
}
@Override
protected void notifyItemRangeInserted(int positionStart, int itemCount) {
mAdapter.notifyItemRangeInserted(positionStart, itemCount);
}
}
private class FeedListener implements NMBClient.Callback<List<Post>> {
private int mTaskId;
private int mTaskPage;
private NMBRequest mRequest;
public FeedListener(int taskId, int taskPage, NMBRequest request) {
mTaskId = taskId;
mTaskPage = taskPage;
mRequest = request;
}
@Override
public void onSuccess(List<Post> result) {
if (mNMBRequest == mRequest) {
// It is current request
// Clear
mNMBRequest = null;
if (result.isEmpty()) {
mFeedHelper.setPages(mTaskPage);
mFeedHelper.onGetEmptyData(mTaskId);
} else {
mFeedHelper.setPages(Integer.MAX_VALUE);
mFeedHelper.onGetPageData(mTaskId, result);
}
}
// Clear
mRequest = null;
}
@Override
public void onFailure(Exception e) {
if (mNMBRequest == mRequest) {
// It is current request
// Clear
mNMBRequest = null;
mFeedHelper.onGetExpection(mTaskId, e);
}
// Clear
mRequest = null;
}
@Override
public void onCancel() {
if (mNMBRequest == mRequest) {
// It is current request
// Clear
mNMBRequest = null;
}
// Clear
mRequest = null;
}
}
private static class DelFeedListener implements NMBClient.Callback<Void> {
@Override
public void onSuccess(Void result) {
Log.d(TAG, "del feed onSuccess");
}
@Override
public void onFailure(Exception e) {
Log.d(TAG, "del feed onFailure");
}
@Override
public void onCancel() {
Log.d(TAG, "del feed onCancel");
}
}
}