make new changes

app/src/main/java/fr/free/nrw/commons/Media.kt

@@ -90,6 +90,41 @@ class Media constructor(
         captions = captions,
     )
 
+    constructor(
+        captions: Map<String, String>,
+        categories: List<String>?,
+        filename: String?,
+        fallbackDescription: String?,
+        author: String?,
+        user: String?,
+        dateUploaded: Date? = Date(),
+        license: String? = null,
+        licenseUrl: String? = null,
+        imageUrl: String? = null,
+        thumbUrl: String? = null,
+        coordinates: LatLng? = null,
+        descriptions: Map<String, String> = emptyMap(),
+        depictionIds: List<String> = emptyList(),
+        categoriesHiddenStatus: Map<String, Boolean> = emptyMap()
+    ) : this(
+        pageId = UUID.randomUUID().toString(),
+        filename = filename,
+        fallbackDescription = fallbackDescription,
+        dateUploaded = dateUploaded,
+        author = author,
+        user = user,
+        categories = categories,
+        captions = captions,
+        license = license,
+        licenseUrl = licenseUrl,
+        imageUrl = imageUrl,
+        thumbUrl = thumbUrl,
+        coordinates = coordinates,
+        descriptions = descriptions,
+        depictionIds = depictionIds,
+        categoriesHiddenStatus = categoriesHiddenStatus
+    )
+
     /**
      * Gets media display title
      * @return Media title

app/src/main/java/fr/free/nrw/commons/media/MediaDetailFragment.kt

@@ -16,6 +16,7 @@ import android.view.KeyEvent
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.ViewTreeObserver
 import android.view.ViewTreeObserver.OnGlobalLayoutListener
 import android.widget.ArrayAdapter
 import android.widget.Button
@@ -406,8 +407,13 @@ class MediaDetailFragment : CommonsDaggerSupportFragment(), CategoryEditHelper.C
          * of the picture.
          */
         view.post{
+            val width = binding.mediaDetailScrollView.width
+            if (width > 0) {
                 frameLayoutHeight = binding.mediaDetailFrameLayout.measuredHeight
-            updateAspectRatio(binding.mediaDetailScrollView.width)
+                updateAspectRatio(width)
+            } else {
+                view.postDelayed({ updateAspectRatio(binding.root.width) }, 1)
+            }
         }
 
         return view

app/src/main/java/fr/free/nrw/commons/media/MediaDetailPagerFragment.java

@@ -185,10 +185,12 @@ public class MediaDetailPagerFragment extends CommonsDaggerSupportFragment imple
      * or a fragment
      */
     private void initProvider() {
-        if (getParentFragment() != null) {
+        if (getParentFragment() instanceof MediaDetailProvider) {
             provider = (MediaDetailProvider) getParentFragment();
-        } else {
+        } else if (getActivity() instanceof MediaDetailProvider) {
             provider = (MediaDetailProvider) getActivity();
+        } else {
+            throw new ClassCastException("Parent must implement MediaDetailProvider");
         }
     }
 

app/src/main/java/fr/free/nrw/commons/nearby/fragments/NearbyParentFragment.kt

@@ -38,6 +38,7 @@ import androidx.appcompat.app.AlertDialog
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
 import androidx.core.content.FileProvider
+import androidx.fragment.app.Fragment
 import androidx.lifecycle.LifecycleCoroutineScope
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -51,6 +52,7 @@ import com.jakewharton.rxbinding2.view.RxView
 import com.jakewharton.rxbinding3.appcompat.queryTextChanges
 import fr.free.nrw.commons.CommonsApplication
 import fr.free.nrw.commons.MapController.NearbyPlacesInfo
+import fr.free.nrw.commons.Media
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.Utils
 import fr.free.nrw.commons.bookmarks.locations.BookmarkLocationsDao
@@ -69,6 +71,8 @@ import fr.free.nrw.commons.location.LocationServiceManager.LocationChangeType
 import fr.free.nrw.commons.location.LocationUpdateListener
 import fr.free.nrw.commons.media.MediaClient
 import fr.free.nrw.commons.media.MediaDetailPagerFragment
+import fr.free.nrw.commons.media.MediaDetailPagerFragment.MediaDetailProvider
+import fr.free.nrw.commons.navtab.NavTab
 import fr.free.nrw.commons.nearby.BottomSheetAdapter
 import fr.free.nrw.commons.nearby.BottomSheetAdapter.ItemClickListener
 import fr.free.nrw.commons.nearby.CheckBoxTriStates
@@ -120,17 +124,25 @@ import timber.log.Timber
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
+import java.net.URLDecoder
+import java.nio.charset.StandardCharsets
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
+import java.util.UUID
 import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 import javax.inject.Named
 import kotlin.concurrent.Volatile
 
 
-class NearbyParentFragment : CommonsDaggerSupportFragment(), NearbyParentFragmentContract.View,
+class NearbyParentFragment : CommonsDaggerSupportFragment(),
-    WikidataP18EditListener, LocationUpdateListener, LocationPermissionCallback, ItemClickListener {
+    NearbyParentFragmentContract.View,
+    WikidataP18EditListener,
+    LocationUpdateListener,
+    LocationPermissionCallback,
+    ItemClickListener,
+    MediaDetailPagerFragment.MediaDetailProvider {
     var binding: FragmentNearbyParentBinding? = null
 
     val mapEventsOverlay: MapEventsOverlay = MapEventsOverlay(object : MapEventsReceiver {
@@ -165,6 +177,13 @@ class NearbyParentFragment : CommonsDaggerSupportFragment(), NearbyParentFragmen
     @Named("default_preferences")
     lateinit var applicationKvStore: JsonKvStore
 
+    @Inject
+    lateinit var mediaClient: MediaClient
+
+    lateinit var mediaDetails: MediaDetailPagerFragment
+
+    lateinit var media: Media
+
     @Inject
     lateinit var bookmarkLocationDao: BookmarkLocationsDao
 
@@ -717,6 +736,10 @@ class NearbyParentFragment : CommonsDaggerSupportFragment(), NearbyParentFragmen
         presenter?.attachView(this)
         registerNetworkReceiver()
 
+        binding?.coordinatorLayout?.visibility = View.VISIBLE
+        binding?.map?.setMultiTouchControls(true)
+        binding?.map?.isClickable = true
+
         if (isResumed && (activity as? MainActivity)?.activeFragment == ActiveFragment.NEARBY) {
             if (activity?.let { locationPermissionsHelper?.checkLocationPermission(it) } == true) {
                 locationPermissionGranted()
@@ -1853,7 +1876,31 @@ class NearbyParentFragment : CommonsDaggerSupportFragment(), NearbyParentFragmen
     }
 
     fun backButtonClicked(): Boolean {
-        return presenter!!.backButtonClicked()
+        if (::mediaDetails.isInitialized && mediaDetails.isVisible) {
+            removeFragment(mediaDetails)
+
+            binding?.coordinatorLayout?.visibility = View.VISIBLE
+            binding?.map?.setMultiTouchControls(true)
+            binding?.map?.isClickable = true
+
+            val transaction = childFragmentManager.beginTransaction()
+            val fragmentContainer = childFragmentManager.findFragmentById(R.id.coordinator_layout)
+
+            if (fragmentContainer != null) {
+                transaction.show(fragmentContainer)
+            }
+
+            transaction.commit()
+            childFragmentManager.executePendingTransactions()
+
+            (activity as? MainActivity)?.showTabs()
+            (activity as? MainActivity)?.supportActionBar?.setDisplayHomeAsUpEnabled(false)
+            return true
+        } else {
+            (activity as? MainActivity)?.setSelectedItemId(NavTab.NEARBY.code())
+        }
+
+        return presenter?.backButtonClicked() ?: false
     }
 
     override fun onLocationPermissionDenied(toastMessage: String) {
@@ -2342,9 +2389,98 @@ class NearbyParentFragment : CommonsDaggerSupportFragment(), NearbyParentFragmen
     }
 
     private fun handleMediaClick(imageName: String) {
-        val intent = Intent(Intent.ACTION_VIEW)
+        val decodedImageName = URLDecoder.decode(imageName, StandardCharsets.UTF_8.toString())
-        intent.data = Uri.parse("https://commons.wikimedia.org/wiki/File:$imageName")
+
-        startActivity(intent)
+        mediaClient.getMedia("File:$decodedImageName")
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe({ mediaResponse ->
+                if (mediaResponse != null) {
+                    // Create a Media object from the response
+                    media = Media(
+                        pageId = mediaResponse.pageId ?: UUID.randomUUID().toString(),
+                        thumbUrl = mediaResponse.thumbUrl,
+                        imageUrl = mediaResponse.imageUrl,
+                        filename = mediaResponse.filename,
+                        fallbackDescription = mediaResponse.fallbackDescription,
+                        dateUploaded = mediaResponse.dateUploaded,
+                        license = mediaResponse.license,
+                        licenseUrl = mediaResponse.licenseUrl,
+                        author = mediaResponse.author,
+                        user = mediaResponse.user,
+                        categories = mediaResponse.categories,
+                        coordinates = mediaResponse.coordinates,
+                        captions = mediaResponse.captions ?: emptyMap(),
+                        descriptions = mediaResponse.descriptions ?: emptyMap(),
+                        depictionIds = mediaResponse.depictionIds ?: emptyList(),
+                        categoriesHiddenStatus = mediaResponse.categoriesHiddenStatus ?: emptyMap()
+                    )
+                    // Remove existing fragment before showing new details
+                    if (::mediaDetails.isInitialized && mediaDetails.isAdded) {
+                        removeFragment(mediaDetails)
+                    }
+                    showMediaDetails()
+                } else {
+                    Timber.e("Fetched media is null for image: $decodedImageName")
+                }
+            }, { throwable ->
+                Timber.e(throwable, "Error fetching media for image: $decodedImageName")
+            })
+    }
+
+    private fun showMediaDetails() {
+        binding?.map?.setMultiTouchControls(false)
+        binding?.map?.isClickable = false
+
+        mediaDetails = MediaDetailPagerFragment.newInstance(false, true)
+
+
+        val transaction = childFragmentManager.beginTransaction()
+
+        val fragmentContainer = childFragmentManager.findFragmentById(R.id.coordinator_layout)
+        if (fragmentContainer != null) {
+            transaction.hide(fragmentContainer)
+        }
+
+        // Replace instead of add to ensure new fragment is used
+        transaction.replace(R.id.coordinator_layout, mediaDetails, "MediaDetailFragmentTag")
+        transaction.addToBackStack("Nearby_Parent_Fragment_Tag").commit()
+        childFragmentManager.executePendingTransactions()
+
+        (activity as? MainActivity)?.supportActionBar?.setDisplayHomeAsUpEnabled(true)
+
+        if (mediaDetails.isAdded) {
+            mediaDetails.showImage(0)
+        } else {
+            Timber.e("Error: MediaDetailPagerFragment is NOT added")
+        }
+    }
+
+    override fun getMediaAtPosition(i: Int): Media? {
+        return media
+    }
+
+    override fun getTotalMediaCount(): Int {
+        return 2
+    }
+
+    override fun getContributionStateAt(position: Int): Int? {
+        return null
+    }
+
+    override fun refreshNominatedMedia(index: Int) {
+        if (this::mediaDetails.isInitialized && !binding?.map?.isClickable!! == true) {
+            removeFragment(mediaDetails)
+            showMediaDetails()
+        }
+    }
+
+    private fun removeFragment(fragment: Fragment) {
+        childFragmentManager
+            .beginTransaction()
+            .remove(fragment)
+            .commit()
+        childFragmentManager.executePendingTransactions()
     }
 
     private fun storeSharedPrefs(selectedPlace: Place) {