Austin Huang
4 years ago
No known key found for this signature in database
GPG Key ID: 84C23AA04587A91F
4 changed files with 273 additions and 562 deletions
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393app/src/main/java/awais/instagrabber/fragments/TopicPostsFragment.java
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343app/src/main/java/awais/instagrabber/fragments/main/DiscoverFragment.java
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25app/src/main/res/layout/fragment_discover.xml
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60app/src/main/res/navigation/discover_nav_graph.xml
@ -1,393 +0,0 @@ |
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package awais.instagrabber.fragments; |
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import android.animation.ArgbEvaluator; |
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import android.content.Context; |
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import android.graphics.Color; |
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import android.graphics.PorterDuff; |
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import android.graphics.drawable.Animatable; |
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import android.graphics.drawable.Drawable; |
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import android.graphics.drawable.GradientDrawable; |
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import android.os.Bundle; |
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import android.os.Handler; |
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import android.util.Log; |
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import android.view.ActionMode; |
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import android.view.LayoutInflater; |
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import android.view.Menu; |
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import android.view.MenuInflater; |
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import android.view.MenuItem; |
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import android.view.View; |
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import android.view.ViewGroup; |
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|
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import androidx.activity.OnBackPressedCallback; |
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import androidx.activity.OnBackPressedDispatcher; |
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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.core.graphics.ColorUtils; |
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import androidx.fragment.app.Fragment; |
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import androidx.navigation.NavDirections; |
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import androidx.navigation.fragment.NavHostFragment; |
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout; |
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import androidx.transition.ChangeBounds; |
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import androidx.transition.TransitionInflater; |
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import androidx.transition.TransitionSet; |
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|
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import com.facebook.drawee.backends.pipeline.Fresco; |
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import com.facebook.drawee.controller.BaseControllerListener; |
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import com.facebook.drawee.interfaces.DraweeController; |
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import com.facebook.imagepipeline.image.ImageInfo; |
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import com.google.common.collect.ImmutableList; |
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import java.util.Set; |
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import awais.instagrabber.R; |
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import awais.instagrabber.activities.MainActivity; |
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import awais.instagrabber.adapters.FeedAdapterV2; |
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import awais.instagrabber.asyncs.DiscoverPostFetchService; |
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import awais.instagrabber.customviews.PrimaryActionModeCallback; |
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import awais.instagrabber.databinding.FragmentTopicPostsBinding; |
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import awais.instagrabber.dialogs.PostsLayoutPreferencesDialogFragment; |
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import awais.instagrabber.models.PostsLayoutPreferences; |
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import awais.instagrabber.repositories.responses.Location; |
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import awais.instagrabber.repositories.responses.Media; |
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import awais.instagrabber.repositories.responses.User; |
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import awais.instagrabber.repositories.responses.discover.TopicCluster; |
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import awais.instagrabber.utils.AppExecutors; |
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import awais.instagrabber.utils.Constants; |
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import awais.instagrabber.utils.DownloadUtils; |
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import awais.instagrabber.utils.ResponseBodyUtils; |
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import awais.instagrabber.utils.Utils; |
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import awais.instagrabber.webservices.DiscoverService; |
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public class TopicPostsFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener { |
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private static final String TAG = TopicPostsFragment.class.getSimpleName(); |
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private MainActivity fragmentActivity; |
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private FragmentTopicPostsBinding binding; |
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private CoordinatorLayout root; |
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private boolean shouldRefresh = true; |
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private TopicCluster topicCluster; |
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private ActionMode actionMode; |
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private Set<Media> selectedFeedModels; |
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private PostsLayoutPreferences layoutPreferences = Utils.getPostsLayoutPreferences(Constants.PREF_TOPIC_POSTS_LAYOUT); |
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private final OnBackPressedCallback onBackPressedCallback = new OnBackPressedCallback(false) { |
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@Override |
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public void handleOnBackPressed() { |
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binding.posts.endSelection(); |
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} |
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}; |
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private final PrimaryActionModeCallback multiSelectAction = new PrimaryActionModeCallback( |
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R.menu.multi_select_download_menu, new PrimaryActionModeCallback.CallbacksHelper() { |
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@Override |
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public void onDestroy(final ActionMode mode) { |
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binding.posts.endSelection(); |
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} |
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@Override |
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public boolean onActionItemClicked(final ActionMode mode, |
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final MenuItem item) { |
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if (item.getItemId() == R.id.action_download) { |
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if (TopicPostsFragment.this.selectedFeedModels == null) return false; |
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final Context context = getContext(); |
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if (context == null) return false; |
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DownloadUtils.download(context, ImmutableList.copyOf(TopicPostsFragment.this.selectedFeedModels)); |
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binding.posts.endSelection(); |
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return true; |
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} |
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return false; |
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} |
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}); |
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private final FeedAdapterV2.FeedItemCallback feedItemCallback = new FeedAdapterV2.FeedItemCallback() { |
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@Override |
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public void onPostClick(final Media feedModel) { |
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openPostDialog(feedModel, -1); |
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} |
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@Override |
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public void onSliderClick(final Media feedModel, final int position) { |
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openPostDialog(feedModel, position); |
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} |
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@Override |
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public void onCommentsClick(final Media feedModel) { |
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final User user = feedModel.getUser(); |
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if (user == null) return; |
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final NavDirections commentsAction = TopicPostsFragmentDirections.actionToComments( |
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feedModel.getCode(), |
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feedModel.getPk(), |
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user.getPk() |
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); |
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NavHostFragment.findNavController(TopicPostsFragment.this).navigate(commentsAction); |
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} |
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@Override |
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public void onDownloadClick(final Media feedModel, final int childPosition, final View popupLocation) { |
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final Context context = getContext(); |
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if (context == null) return; |
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DownloadUtils.showDownloadDialog(context, feedModel, childPosition, popupLocation); |
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} |
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@Override |
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public void onHashtagClick(final String hashtag) { |
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final NavDirections action = TopicPostsFragmentDirections.actionToHashtag(hashtag); |
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NavHostFragment.findNavController(TopicPostsFragment.this).navigate(action); |
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} |
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@Override |
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public void onLocationClick(final Media feedModel) { |
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final Location location = feedModel.getLocation(); |
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if (location == null) return; |
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final NavDirections action = TopicPostsFragmentDirections.actionToLocation(location.getPk()); |
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NavHostFragment.findNavController(TopicPostsFragment.this).navigate(action); |
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} |
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@Override |
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public void onMentionClick(final String mention) { |
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navigateToProfile(mention.trim()); |
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} |
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@Override |
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public void onNameClick(final Media feedModel) { |
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navigateToProfile("@" + feedModel.getUser().getUsername()); |
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} |
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@Override |
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public void onProfilePicClick(final Media feedModel) { |
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final User user = feedModel.getUser(); |
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if (user == null) return; |
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navigateToProfile("@" + user.getUsername()); |
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} |
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@Override |
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public void onURLClick(final String url) { |
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Utils.openURL(getContext(), url); |
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} |
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@Override |
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public void onEmailClick(final String emailId) { |
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Utils.openEmailAddress(getContext(), emailId); |
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} |
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private void openPostDialog(final Media feedModel, final int position) { |
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try { |
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final NavDirections action = TopicPostsFragmentDirections.actionToPost(feedModel, position); |
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NavHostFragment.findNavController(TopicPostsFragment.this).navigate(action); |
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} catch (Exception e) { |
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Log.e(TAG, "openPostDialog: ", e); |
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} |
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} |
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}; |
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private final FeedAdapterV2.SelectionModeCallback selectionModeCallback = new FeedAdapterV2.SelectionModeCallback() { |
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@Override |
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public void onSelectionStart() { |
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if (!onBackPressedCallback.isEnabled()) { |
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final OnBackPressedDispatcher onBackPressedDispatcher = fragmentActivity.getOnBackPressedDispatcher(); |
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onBackPressedCallback.setEnabled(true); |
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onBackPressedDispatcher.addCallback(getViewLifecycleOwner(), onBackPressedCallback); |
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} |
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if (actionMode == null) { |
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actionMode = fragmentActivity.startActionMode(multiSelectAction); |
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} |
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} |
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@Override |
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public void onSelectionChange(final Set<Media> selectedFeedModels) { |
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final String title = getString(R.string.number_selected, selectedFeedModels.size()); |
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if (actionMode != null) { |
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actionMode.setTitle(title); |
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} |
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TopicPostsFragment.this.selectedFeedModels = selectedFeedModels; |
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} |
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@Override |
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public void onSelectionEnd() { |
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if (onBackPressedCallback.isEnabled()) { |
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onBackPressedCallback.setEnabled(false); |
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onBackPressedCallback.remove(); |
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} |
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if (actionMode != null) { |
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actionMode.finish(); |
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actionMode = null; |
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} |
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} |
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}; |
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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) requireActivity(); |
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final Context context = getContext(); |
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if (context != null) { |
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final TransitionSet transitionSet = new TransitionSet(); |
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transitionSet.addTransition(new ChangeBounds()) |
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.addTransition(TransitionInflater.from(context).inflateTransition(android.R.transition.move)) |
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.setDuration(200); |
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setSharedElementEnterTransition(transitionSet); |
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} |
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postponeEnterTransition(); |
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setHasOptionsMenu(true); |
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} |
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@Nullable |
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@Override |
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public View onCreateView(@NonNull final LayoutInflater inflater, |
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@Nullable final ViewGroup container, |
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@Nullable 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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} |
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binding = FragmentTopicPostsBinding.inflate(inflater, container, false); |
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root = binding.getRoot(); |
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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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binding.swipeRefreshLayout.setOnRefreshListener(this); |
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init(); |
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shouldRefresh = false; |
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} |
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@Override |
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public void onCreateOptionsMenu(@NonNull final Menu menu, @NonNull final MenuInflater inflater) { |
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inflater.inflate(R.menu.topic_posts_menu, menu); |
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} |
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@Override |
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public boolean onOptionsItemSelected(@NonNull final MenuItem item) { |
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if (item.getItemId() == R.id.layout) { |
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showPostsLayoutPreferences(); |
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return true; |
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} |
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return super.onOptionsItemSelected(item); |
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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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fragmentActivity.setToolbar(binding.toolbar, this); |
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} |
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@Override |
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public void onRefresh() { |
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binding.posts.refresh(); |
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} |
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@Override |
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public void onStop() { |
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super.onStop(); |
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fragmentActivity.resetToolbar(this); |
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} |
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private void init() { |
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if (getArguments() == null) return; |
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final TopicPostsFragmentArgs fragmentArgs = TopicPostsFragmentArgs.fromBundle(getArguments()); |
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topicCluster = fragmentArgs.getTopicCluster(); |
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setupToolbar(fragmentArgs.getTitleColor(), fragmentArgs.getBackgroundColor()); |
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setupPosts(); |
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} |
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private void setupToolbar(final int titleColor, final int backgroundColor) { |
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if (topicCluster == null) { |
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return; |
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} |
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binding.cover.setTransitionName("cover-" + topicCluster.getId()); |
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fragmentActivity.setToolbar(binding.toolbar, this); |
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binding.collapsingToolbarLayout.setTitle(topicCluster.getTitle()); |
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final int collapsedTitleTextColor = ColorUtils.setAlphaComponent(titleColor, 0xFF); |
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final int expandedTitleTextColor = ColorUtils.setAlphaComponent(titleColor, 0x99); |
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binding.collapsingToolbarLayout.setExpandedTitleColor(expandedTitleTextColor); |
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binding.collapsingToolbarLayout.setCollapsedTitleTextColor(collapsedTitleTextColor); |
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binding.collapsingToolbarLayout.setContentScrimColor(backgroundColor); |
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final Drawable navigationIcon = binding.toolbar.getNavigationIcon(); |
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final Drawable overflowIcon = binding.toolbar.getOverflowIcon(); |
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if (navigationIcon != null && overflowIcon != null) { |
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final Drawable navDrawable = navigationIcon.mutate(); |
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final Drawable overflowDrawable = overflowIcon.mutate(); |
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navDrawable.setAlpha(0xFF); |
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overflowDrawable.setAlpha(0xFF); |
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final ArgbEvaluator argbEvaluator = new ArgbEvaluator(); |
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binding.appBarLayout.addOnOffsetChangedListener((appBarLayout, verticalOffset) -> { |
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final int totalScrollRange = appBarLayout.getTotalScrollRange(); |
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final float current = totalScrollRange + verticalOffset; |
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final float fraction = current / totalScrollRange; |
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final int tempColor = (int) argbEvaluator.evaluate(fraction, collapsedTitleTextColor, expandedTitleTextColor); |
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navDrawable.setColorFilter(tempColor, PorterDuff.Mode.SRC_ATOP); |
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overflowDrawable.setColorFilter(tempColor, PorterDuff.Mode.SRC_ATOP); |
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}); |
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} |
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final GradientDrawable gd = new GradientDrawable( |
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GradientDrawable.Orientation.TOP_BOTTOM, |
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new int[]{Color.TRANSPARENT, backgroundColor}); |
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binding.background.setBackground(gd); |
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setupCover(); |
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} |
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private void setupCover() { |
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final String coverUrl = ResponseBodyUtils.getImageUrl(topicCluster.getCoverMedia()); |
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final DraweeController controller = Fresco |
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.newDraweeControllerBuilder() |
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.setOldController(binding.cover.getController()) |
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.setUri(coverUrl) |
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.setControllerListener(new BaseControllerListener<ImageInfo>() { |
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@Override |
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public void onFailure(final String id, final Throwable throwable) { |
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super.onFailure(id, throwable); |
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startPostponedEnterTransition(); |
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} |
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@Override |
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public void onFinalImageSet(final String id, |
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@Nullable final ImageInfo imageInfo, |
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@Nullable final Animatable animatable) { |
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startPostponedEnterTransition(); |
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} |
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}) |
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.build(); |
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binding.cover.setController(controller); |
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} |
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private void setupPosts() { |
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final DiscoverService.TopicalExploreRequest topicalExploreRequest = new DiscoverService.TopicalExploreRequest(); |
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topicalExploreRequest.setClusterId(topicCluster.getId()); |
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binding.posts.setViewModelStoreOwner(this) |
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.setLifeCycleOwner(this) |
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.setPostFetchService(new DiscoverPostFetchService(topicalExploreRequest)) |
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.setLayoutPreferences(layoutPreferences) |
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.addFetchStatusChangeListener(fetching -> updateSwipeRefreshState()) |
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.setFeedItemCallback(feedItemCallback) |
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.setSelectionModeCallback(selectionModeCallback) |
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.init(); |
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binding.swipeRefreshLayout.setRefreshing(true); |
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} |
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private void updateSwipeRefreshState() { |
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AppExecutors.INSTANCE.getMainThread().execute(() -> binding.swipeRefreshLayout.setRefreshing(binding.posts.isFetching()) |
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); |
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} |
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private void navigateToProfile(final String username) { |
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try { |
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final NavDirections action = TopicPostsFragmentDirections.actionToProfile().setUsername(username); |
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NavHostFragment.findNavController(this).navigate(action); |
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} catch (Exception e) { |
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Log.e(TAG, "navigateToProfile: ", e); |
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} |
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} |
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private void showPostsLayoutPreferences() { |
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final PostsLayoutPreferencesDialogFragment fragment = new PostsLayoutPreferencesDialogFragment( |
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Constants.PREF_TOPIC_POSTS_LAYOUT, |
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preferences -> { |
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layoutPreferences = preferences; |
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new Handler().postDelayed(() -> binding.posts.setLayoutPreferences(preferences), 200); |
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}); |
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fragment.show(getChildFragmentManager(), "posts_layout_preferences"); |
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} |
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} |
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@ -1,27 +1,16 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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<androidx.swiperefreshlayout.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android" |
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xmlns:app="http://schemas.android.com/apk/res-auto" |
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xmlns:tools="http://schemas.android.com/tools" |
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android:layout_width="match_parent" |
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android:layout_height="match_parent" |
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android:background="?attr/colorSurface"> |
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|
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<androidx.swiperefreshlayout.widget.SwipeRefreshLayout |
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android:id="@+id/swipe_refresh_layout" |
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android:layout_width="match_parent" |
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android:layout_height="match_parent" |
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android:clipToPadding="false" |
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app:layout_behavior="@string/appbar_scrolling_view_behavior"> |
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app:layout_behavior="@string/appbar_scrolling_view_behavior" |
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tools:context=".fragments.DiscoverFragment"> |
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|
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<androidx.recyclerview.widget.RecyclerView |
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android:id="@+id/topics_recycler_view" |
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<awais.instagrabber.customviews.PostsRecyclerView |
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android:id="@+id/posts" |
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android:layout_width="match_parent" |
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android:layout_height="match_parent" |
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android:clipToPadding="false" |
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android:paddingBottom="?actionBarSize" |
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app:layoutManager="androidx.recyclerview.widget.GridLayoutManager" |
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app:spanCount="2" |
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tools:itemCount="10" |
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tools:listitem="@layout/item_discover_topic" /> |
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</androidx.swiperefreshlayout.widget.SwipeRefreshLayout> |
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</androidx.coordinatorlayout.widget.CoordinatorLayout> |
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android:clipToPadding="false" /> |
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</androidx.swiperefreshlayout.widget.SwipeRefreshLayout> |
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