Migrate comment fragments to Jetpack Compose

.gitignore

@@ -10,6 +10,7 @@ captures/
 *.class
 app/debug/
 app/release/
+.kotlin/
 
 # vscode / eclipse files
 *.classpath

app/build.gradle

@@ -223,7 +223,7 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.core:core-ktx:1.12.0'
     implementation 'androidx.documentfile:documentfile:1.0.1'
-    implementation 'androidx.fragment:fragment-ktx:1.6.2'
+    implementation 'androidx.fragment:fragment-compose:1.8.2'
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:${androidxLifecycleVersion}"
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:${androidxLifecycleVersion}"
     implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.1.0'
@@ -293,18 +293,19 @@ dependencies {
     // Date and time formatting
     implementation "org.ocpsoft.prettytime:prettytime:5.0.8.Final"
 
-    // Jetpack Compose BOM group
-    implementation(platform('androidx.compose:compose-bom:2024.09.03'))
+    // Jetpack Compose
+    implementation(platform('androidx.compose:compose-bom:2024.10.01'))
     implementation 'androidx.compose.material3:material3'
+    implementation 'androidx.compose.material3.adaptive:adaptive'
+    implementation 'androidx.activity:activity-compose'
     implementation 'androidx.compose.ui:ui-tooling-preview'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-compose'
     implementation 'androidx.compose.ui:ui-text' // Needed for parsing HTML to AnnotatedString
+    implementation 'androidx.compose.material:material-icons-extended'
 
     // Jetpack Compose related dependencies
-    implementation 'androidx.compose.material3.adaptive:adaptive:1.0.0'
-    implementation 'androidx.activity:activity-compose:1.9.2'
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-compose:2.8.6'
     implementation 'androidx.paging:paging-compose:3.3.2'
-    implementation "androidx.navigation:navigation-compose:2.8.2"
+    implementation "androidx.navigation:navigation-compose:2.8.3"
 
     // Coroutines interop
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-rx3:1.8.1'

app/src/main/java/org/schabi/newpipe/MainActivity.java

@@ -44,15 +44,13 @@
 import android.widget.Spinner;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.ActionBarDrawerToggle;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 import androidx.core.view.GravityCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentContainerView;
 import androidx.fragment.app.FragmentManager;
 import androidx.preference.PreferenceManager;
 
@@ -66,13 +64,11 @@
 import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
-import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.services.peertube.PeertubeInstance;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.MainFragment;
 import org.schabi.newpipe.fragments.detail.VideoDetailFragment;
-import org.schabi.newpipe.fragments.list.comments.CommentRepliesFragment;
 import org.schabi.newpipe.fragments.list.search.SearchFragment;
 import org.schabi.newpipe.local.feed.notifications.NotificationWorker;
 import org.schabi.newpipe.player.Player;
@@ -557,39 +553,27 @@ public void onBackPressed() {
         // In case bottomSheet is not visible on the screen or collapsed we can assume that the user
         // interacts with a fragment inside fragment_holder so all back presses should be
         // handled by it
+        final var fragmentManager = getSupportFragmentManager();
+
         if (bottomSheetHiddenOrCollapsed()) {
-            final FragmentManager fm = getSupportFragmentManager();
-            final Fragment fragment = fm.findFragmentById(R.id.fragment_holder);
+            final var fragment = fragmentManager.findFragmentById(R.id.fragment_holder);
             // If current fragment implements BackPressable (i.e. can/wanna handle back press)
             // delegate the back press to it
-            if (fragment instanceof BackPressable) {
-                if (((BackPressable) fragment).onBackPressed()) {
-                    return;
-                }
-            } else if (fragment instanceof CommentRepliesFragment) {
-                // expand DetailsFragment if CommentRepliesFragment was opened
-                // to show the top level comments again
-                // Expand DetailsFragment if CommentRepliesFragment was opened
-                // and no other CommentRepliesFragments are on top of the back stack
-                // to show the top level comments again.
-                openDetailFragmentFromCommentReplies(fm, false);
+            if (fragment instanceof BackPressable backPressable && backPressable.onBackPressed()) {
+                return;
             }
-
         } else {
-            final Fragment fragmentPlayer = getSupportFragmentManager()
-                    .findFragmentById(R.id.fragment_player_holder);
+            final var player = fragmentManager.findFragmentById(R.id.fragment_player_holder);
             // If current fragment implements BackPressable (i.e. can/wanna handle back press)
             // delegate the back press to it
-            if (fragmentPlayer instanceof BackPressable) {
-                if (!((BackPressable) fragmentPlayer).onBackPressed()) {
-                    BottomSheetBehavior.from(mainBinding.fragmentPlayerHolder)
-                            .setState(BottomSheetBehavior.STATE_COLLAPSED);
-                }
+            if (player instanceof BackPressable backPressable && !backPressable.onBackPressed()) {
+                BottomSheetBehavior.from(mainBinding.fragmentPlayerHolder)
+                        .setState(BottomSheetBehavior.STATE_COLLAPSED);
                 return;
             }
         }
 
-        if (getSupportFragmentManager().getBackStackEntryCount() == 1) {
+        if (fragmentManager.getBackStackEntryCount() == 1) {
             finish();
         } else {
             super.onBackPressed();
@@ -648,15 +632,9 @@ public void onRequestPermissionsResult(final int requestCode,
      * </pre>
      */
     private void onHomeButtonPressed() {
-        final FragmentManager fm = getSupportFragmentManager();
-        final Fragment fragment = fm.findFragmentById(R.id.fragment_holder);
-
-        if (fragment instanceof CommentRepliesFragment) {
-            // Expand DetailsFragment if CommentRepliesFragment was opened
-            // and no other CommentRepliesFragments are on top of the back stack
-            // to show the top level comments again.
-            openDetailFragmentFromCommentReplies(fm, true);
-        } else if (!NavigationHelper.tryGotoSearchFragment(fm)) {
+        final var fm = getSupportFragmentManager();
+
+        if (!NavigationHelper.tryGotoSearchFragment(fm)) {
             // If search fragment wasn't found in the backstack go to the main fragment
             NavigationHelper.gotoMainFragment(fm);
         }
@@ -854,68 +832,6 @@ public void onReceive(final Context context, final Intent intent) {
         }
     }
 
-    private void openDetailFragmentFromCommentReplies(
-            @NonNull final FragmentManager fm,
-            final boolean popBackStack
-    ) {
-        // obtain the name of the fragment under the replies fragment that's going to be popped
-        @Nullable final String fragmentUnderEntryName;
-        if (fm.getBackStackEntryCount() < 2) {
-            fragmentUnderEntryName = null;
-        } else {
-            fragmentUnderEntryName = fm.getBackStackEntryAt(fm.getBackStackEntryCount() - 2)
-                    .getName();
-        }
-
-        // the root comment is the comment for which the user opened the replies page
-        @Nullable final CommentRepliesFragment repliesFragment =
-                (CommentRepliesFragment) fm.findFragmentByTag(CommentRepliesFragment.TAG);
-        @Nullable final CommentsInfoItem rootComment =
-                repliesFragment == null ? null : repliesFragment.getCommentsInfoItem();
-
-        // sometimes this function pops the backstack, other times it's handled by the system
-        if (popBackStack) {
-            fm.popBackStackImmediate();
-        }
-
-        // only expand the bottom sheet back if there are no more nested comment replies fragments
-        // stacked under the one that is currently being popped
-        if (CommentRepliesFragment.TAG.equals(fragmentUnderEntryName)) {
-            return;
-        }
-
-        final BottomSheetBehavior<FragmentContainerView> behavior = BottomSheetBehavior
-                .from(mainBinding.fragmentPlayerHolder);
-        // do not return to the comment if the details fragment was closed
-        if (behavior.getState() == BottomSheetBehavior.STATE_HIDDEN) {
-            return;
-        }
-
-        // scroll to the root comment once the bottom sheet expansion animation is finished
-        behavior.addBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
-            @Override
-            public void onStateChanged(@NonNull final View bottomSheet,
-                                       final int newState) {
-                if (newState == BottomSheetBehavior.STATE_EXPANDED) {
-                    final Fragment detailFragment = fm.findFragmentById(
-                            R.id.fragment_player_holder);
-                    if (detailFragment instanceof VideoDetailFragment && rootComment != null) {
-                        // should always be the case
-                        ((VideoDetailFragment) detailFragment).scrollToComment(rootComment);
-                    }
-                    behavior.removeBottomSheetCallback(this);
-                }
-            }
-
-            @Override
-            public void onSlide(@NonNull final View bottomSheet, final float slideOffset) {
-                // not needed, listener is removed once the sheet is expanded
-            }
-        });
-
-        behavior.setState(BottomSheetBehavior.STATE_EXPANDED);
-    }
-
     private boolean bottomSheetHiddenOrCollapsed() {
         final BottomSheetBehavior<FrameLayout> bottomSheetBehavior =
                 BottomSheetBehavior.from(mainBinding.fragmentPlayerHolder);

app/src/main/java/org/schabi/newpipe/error/ReCaptchaActivity.java

@@ -185,10 +185,8 @@ private void handleCookiesFromUrl(@Nullable final String url) {
             final int abuseEnd = url.indexOf("+path");
 
             try {
-                String abuseCookie = url.substring(abuseStart + 13, abuseEnd);
-                abuseCookie = Utils.decodeUrlUtf8(abuseCookie);
-                handleCookies(abuseCookie);
-            } catch (IllegalArgumentException | StringIndexOutOfBoundsException e) {
+                handleCookies(Utils.decodeUrlUtf8(url.substring(abuseStart + 13, abuseEnd)));
+            } catch (final StringIndexOutOfBoundsException e) {
                 if (MainActivity.DEBUG) {
                     Log.e(TAG, "handleCookiesFromUrl: invalid google abuse starting at "
                             + abuseStart + " and ending at " + abuseEnd + " for url " + url, e);

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -74,7 +74,6 @@
 import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.extractor.Image;
 import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
 import org.schabi.newpipe.extractor.exceptions.ContentNotSupportedException;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.stream.AudioStream;
@@ -881,8 +880,7 @@ private void initTabs() {
         tabContentDescriptions.clear();
 
         if (shouldShowComments()) {
-            pageAdapter.addFragment(
-                    CommentsFragment.getInstance(serviceId, url, title), COMMENTS_TAB_TAG);
+            pageAdapter.addFragment(CommentsFragment.getInstance(serviceId, url), COMMENTS_TAB_TAG);
             tabIcons.add(R.drawable.ic_comment);
             tabContentDescriptions.add(R.string.comments_tab_description);
         }
@@ -1012,20 +1010,6 @@ public void scrollToTop() {
         updateTabLayoutVisibility();
     }
 
-    public void scrollToComment(final CommentsInfoItem comment) {
-        final int commentsTabPos = pageAdapter.getItemPositionByTitle(COMMENTS_TAB_TAG);
-        final Fragment fragment = pageAdapter.getItem(commentsTabPos);
-        if (!(fragment instanceof CommentsFragment)) {
-            return;
-        }
-
-        // unexpand the app bar only if scrolling to the comment succeeded
-        if (((CommentsFragment) fragment).scrollToComment(comment)) {
-            binding.appBarLayout.setExpanded(false, false);
-            binding.viewPager.setCurrentItem(commentsTabPos, false);
-        }
-    }
-
     /*//////////////////////////////////////////////////////////////////////////
     // Play Utils
     //////////////////////////////////////////////////////////////////////////*/