Ammar Githam
4 years ago
1 changed files with 121 additions and 148 deletions
@ -1,175 +1,148 @@ |
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package awais.instagrabber.fragments.directmessages; |
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import android.content.Context; |
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import android.content.res.Configuration; |
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import android.os.Bundle; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import androidx.annotation.NonNull; |
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import androidx.annotation.Nullable; |
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import androidx.coordinatorlayout.widget.CoordinatorLayout; |
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import androidx.fragment.app.Fragment; |
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import androidx.lifecycle.Observer; |
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import androidx.lifecycle.ViewModelProvider; |
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import androidx.navigation.fragment.NavHostFragment; |
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import androidx.recyclerview.widget.LinearLayoutManager; |
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout; |
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import com.google.android.material.snackbar.Snackbar; |
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import java.util.Collections; |
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import java.util.List; |
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import awais.instagrabber.activities.MainActivity; |
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import awais.instagrabber.adapters.DirectMessageInboxAdapter; |
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import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtEdge; |
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import awais.instagrabber.databinding.FragmentDirectPendingInboxBinding; |
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import awais.instagrabber.repositories.responses.directmessages.DirectThread; |
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import awais.instagrabber.viewmodels.DirectPendingInboxViewModel; |
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public class DirectPendingInboxFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener { |
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private static final String TAG = DirectPendingInboxFragment.class.getSimpleName(); |
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private CoordinatorLayout root; |
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private RecyclerLazyLoaderAtEdge lazyLoader; |
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private DirectPendingInboxViewModel viewModel; |
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private boolean shouldRefresh = true; |
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private FragmentDirectPendingInboxBinding binding; |
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private DirectMessageInboxAdapter inboxAdapter; |
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private MainActivity fragmentActivity; |
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private boolean scrollToTop = false; |
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private boolean navigating; |
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private Observer<List<DirectThread>> threadsObserver; |
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@Override |
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public void onCreate(@Nullable final Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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fragmentActivity = (MainActivity) getActivity(); |
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if (fragmentActivity != null) { |
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viewModel = new ViewModelProvider(fragmentActivity).get(DirectPendingInboxViewModel.class); |
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} |
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package awais.instagrabber.fragments.directmessages |
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import android.content.res.Configuration |
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import android.os.Bundle |
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import android.view.LayoutInflater |
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import android.view.View |
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import android.view.ViewGroup |
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import androidx.coordinatorlayout.widget.CoordinatorLayout |
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import androidx.fragment.app.Fragment |
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import androidx.fragment.app.activityViewModels |
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import androidx.lifecycle.Observer |
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import androidx.navigation.fragment.NavHostFragment |
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import androidx.recyclerview.widget.LinearLayoutManager |
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener |
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import awais.instagrabber.activities.MainActivity |
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import awais.instagrabber.adapters.DirectMessageInboxAdapter |
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import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtEdge |
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import awais.instagrabber.databinding.FragmentDirectPendingInboxBinding |
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import awais.instagrabber.models.Resource |
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import awais.instagrabber.repositories.responses.directmessages.DirectInbox |
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import awais.instagrabber.repositories.responses.directmessages.DirectThread |
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import awais.instagrabber.viewmodels.DirectPendingInboxViewModel |
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import com.google.android.material.snackbar.Snackbar |
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class DirectPendingInboxFragment : Fragment(), OnRefreshListener { |
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private val viewModel: DirectPendingInboxViewModel by activityViewModels() |
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private lateinit var root: CoordinatorLayout |
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private lateinit var lazyLoader: RecyclerLazyLoaderAtEdge |
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private lateinit var binding: FragmentDirectPendingInboxBinding |
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private lateinit var fragmentActivity: MainActivity |
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private lateinit var inboxAdapter: DirectMessageInboxAdapter |
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private var shouldRefresh = true |
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private var scrollToTop = false |
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private var navigating = false |
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private var threadsObserver: Observer<List<DirectThread?>>? = null |
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override fun onCreate(savedInstanceState: Bundle?) { |
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super.onCreate(savedInstanceState) |
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fragmentActivity = requireActivity() as MainActivity |
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} |
} |
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@Override |
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public View onCreateView(@NonNull final LayoutInflater inflater, |
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final ViewGroup container, |
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final Bundle savedInstanceState) { |
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if (root != null) { |
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shouldRefresh = false; |
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return root; |
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override fun onCreateView( |
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inflater: LayoutInflater, |
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container: ViewGroup?, |
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savedInstanceState: Bundle?, |
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): View { |
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if (this::root.isInitialized) { |
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shouldRefresh = false |
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return root |
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} |
} |
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binding = FragmentDirectPendingInboxBinding.inflate(inflater, container, false); |
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root = binding.getRoot(); |
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return root; |
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binding = FragmentDirectPendingInboxBinding.inflate(inflater, container, false) |
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root = binding.root |
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return root |
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} |
} |
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@Override |
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public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) { |
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if (!shouldRefresh) return; |
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init(); |
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) { |
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if (!shouldRefresh) return |
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init() |
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} |
} |
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@Override |
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public void onRefresh() { |
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lazyLoader.resetState(); |
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scrollToTop = true; |
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if (viewModel != null) { |
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viewModel.refresh(); |
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} |
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override fun onRefresh() { |
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lazyLoader.resetState() |
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scrollToTop = true |
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viewModel.refresh() |
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} |
} |
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@Override |
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public void onResume() { |
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super.onResume(); |
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setupObservers(); |
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override fun onResume() { |
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super.onResume() |
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setupObservers() |
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} |
} |
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@Override |
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public void onConfigurationChanged(@NonNull final Configuration newConfig) { |
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super.onConfigurationChanged(newConfig); |
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init(); |
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override fun onConfigurationChanged(newConfig: Configuration) { |
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super.onConfigurationChanged(newConfig) |
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init() |
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} |
} |
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@Override |
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public void onDestroy() { |
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super.onDestroy(); |
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removeViewModelObservers(); |
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viewModel.onDestroy(); |
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override fun onDestroy() { |
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super.onDestroy() |
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removeViewModelObservers() |
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viewModel.onDestroy() |
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} |
} |
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private void setupObservers() { |
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removeViewModelObservers(); |
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threadsObserver = list -> { |
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if (inboxAdapter == null) return; |
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if (binding.swipeRefreshLayout.getVisibility() == View.GONE) { |
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binding.swipeRefreshLayout.setVisibility(View.VISIBLE); |
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binding.empty.setVisibility(View.GONE); |
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private fun setupObservers() { |
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removeViewModelObservers() |
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threadsObserver = Observer { list: List<DirectThread?>? -> |
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if (!this::inboxAdapter.isInitialized) return@Observer |
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if (binding.swipeRefreshLayout.visibility == View.GONE) { |
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binding.swipeRefreshLayout.visibility = View.VISIBLE |
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binding.empty.visibility = View.GONE |
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} |
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inboxAdapter.submitList(list ?: emptyList()) { |
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if (!scrollToTop) return@submitList |
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binding.pendingInboxList.smoothScrollToPosition(0) |
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scrollToTop = false |
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} |
} |
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inboxAdapter.submitList(list == null ? Collections.emptyList() : list, () -> { |
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if (!scrollToTop) return; |
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binding.pendingInboxList.smoothScrollToPosition(0); |
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scrollToTop = false; |
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}); |
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if (list == null || list.isEmpty()) { |
if (list == null || list.isEmpty()) { |
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binding.swipeRefreshLayout.setVisibility(View.GONE); |
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binding.empty.setVisibility(View.VISIBLE); |
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binding.swipeRefreshLayout.visibility = View.GONE |
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binding.empty.visibility = View.VISIBLE |
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} |
} |
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}; |
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viewModel.getThreads().observe(fragmentActivity, threadsObserver); |
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viewModel.getInbox().observe(getViewLifecycleOwner(), inboxResource -> { |
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if (inboxResource == null) return; |
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switch (inboxResource.status) { |
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case SUCCESS: |
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binding.swipeRefreshLayout.setRefreshing(false); |
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break; |
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case ERROR: |
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} |
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threadsObserver?.let { viewModel.threads.observe(fragmentActivity, it) } |
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viewModel.inbox.observe(viewLifecycleOwner, { inboxResource: Resource<DirectInbox?>? -> |
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if (inboxResource == null) return@observe |
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when (inboxResource.status) { |
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Resource.Status.SUCCESS -> binding.swipeRefreshLayout.isRefreshing = false |
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Resource.Status.ERROR -> { |
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if (inboxResource.message != null) { |
if (inboxResource.message != null) { |
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Snackbar.make(binding.getRoot(), inboxResource.message, Snackbar.LENGTH_LONG).show(); |
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Snackbar.make(binding.root, inboxResource.message, Snackbar.LENGTH_LONG).show() |
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} |
} |
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binding.swipeRefreshLayout.setRefreshing(false); |
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break; |
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case LOADING: |
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binding.swipeRefreshLayout.setRefreshing(true); |
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break; |
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binding.swipeRefreshLayout.isRefreshing = false |
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} |
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Resource.Status.LOADING -> binding.swipeRefreshLayout.isRefreshing = true |
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} |
} |
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}); |
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}) |
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} |
} |
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private void removeViewModelObservers() { |
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if (viewModel == null) return; |
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if (threadsObserver != null) { |
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viewModel.getThreads().removeObserver(threadsObserver); |
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} |
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private fun removeViewModelObservers() { |
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threadsObserver?.let { viewModel.threads.removeObserver(it) } |
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} |
} |
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private void init() { |
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final Context context = getContext(); |
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if (context == null) return; |
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setupObservers(); |
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binding.swipeRefreshLayout.setOnRefreshListener(this); |
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binding.pendingInboxList.setHasFixedSize(true); |
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binding.pendingInboxList.setItemViewCacheSize(20); |
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final LinearLayoutManager layoutManager = new LinearLayoutManager(context); |
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binding.pendingInboxList.setLayoutManager(layoutManager); |
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inboxAdapter = new DirectMessageInboxAdapter(thread -> { |
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if (navigating) return; |
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navigating = true; |
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if (isAdded()) { |
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final DirectPendingInboxFragmentDirections.ActionPendingInboxToThread directions = DirectPendingInboxFragmentDirections |
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.actionPendingInboxToThread(thread.getThreadId(), thread.getThreadTitle()); |
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directions.setPending(true); |
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NavHostFragment.findNavController(this).navigate(directions); |
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private fun init() { |
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val context = context ?: return |
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setupObservers() |
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binding.swipeRefreshLayout.setOnRefreshListener(this) |
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binding.pendingInboxList.setHasFixedSize(true) |
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binding.pendingInboxList.setItemViewCacheSize(20) |
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val layoutManager = LinearLayoutManager(context) |
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binding.pendingInboxList.layoutManager = layoutManager |
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inboxAdapter = DirectMessageInboxAdapter { thread -> |
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if (navigating) return@DirectMessageInboxAdapter |
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val threadId = thread.threadId ?: return@DirectMessageInboxAdapter |
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val threadTitle = thread.threadTitle ?: return@DirectMessageInboxAdapter |
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navigating = true |
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if (isAdded) { |
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val directions = DirectPendingInboxFragmentDirections.actionPendingInboxToThread(threadId, threadTitle) |
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directions.pending = true |
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NavHostFragment.findNavController(this).navigate(directions) |
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} |
} |
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navigating = false; |
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}); |
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inboxAdapter.setHasStableIds(true); |
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binding.pendingInboxList.setAdapter(inboxAdapter); |
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lazyLoader = new RecyclerLazyLoaderAtEdge(layoutManager, page -> { |
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if (viewModel == null) return; |
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viewModel.fetchInbox(); |
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}); |
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binding.pendingInboxList.addOnScrollListener(lazyLoader); |
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navigating = false |
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} |
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inboxAdapter.setHasStableIds(true) |
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binding.pendingInboxList.adapter = inboxAdapter |
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lazyLoader = RecyclerLazyLoaderAtEdge(layoutManager) { viewModel.fetchInbox() } |
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binding.pendingInboxList.addOnScrollListener(lazyLoader) |
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} |
} |
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} |
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} |
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