Add recycler view adapter for marker list

src/main/java/de/dennisguse/opentracks/ui/markers/MarkerListAdapter.java

@@ -0,0 +1,276 @@
+package de.dennisguse.opentracks.ui.markers;
+
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.media.ThumbnailUtils;
+import android.net.Uri;
+import android.util.Log;
+import android.util.LruCache;
+import android.util.SparseBooleanArray;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.view.ActionMode;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.time.OffsetDateTime;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+import de.dennisguse.opentracks.R;
+import de.dennisguse.opentracks.data.ContentProviderUtils;
+import de.dennisguse.opentracks.data.models.Marker;
+import de.dennisguse.opentracks.databinding.MarkerListItemBinding;
+import de.dennisguse.opentracks.ui.util.ActivityUtils;
+import de.dennisguse.opentracks.ui.util.ExecutorListViewService;
+import de.dennisguse.opentracks.ui.util.ListItemUtils;
+import de.dennisguse.opentracks.ui.util.ThemeUtils;
+import de.dennisguse.opentracks.util.IntentUtils;
+import de.dennisguse.opentracks.util.StringUtils;
+
+public class MarkerListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements ActionMode.Callback {
+
+    private static final String TAG = MarkerListAdapter.class.getSimpleName();
+
+    private final AppCompatActivity context;
+    private final RecyclerView recyclerView;
+    private List<Marker> markers;
+    private final SparseBooleanArray selection;
+    private boolean selectionMode;
+    private ActivityUtils.ContextualActionModeCallback actionModeCallback;
+    private ActionMode actionMode;
+
+    private final ExecutorListViewService<Marker.Id> executorService = new ExecutorListViewService<>(128);
+
+    private final LruCache<Marker.Id, Bitmap> memoryCache;
+
+    public MarkerListAdapter(AppCompatActivity context, RecyclerView recyclerView, List<Marker> markers) {
+        this.context = context;
+        this.recyclerView = recyclerView;
+        this.markers = markers;
+
+        selection = new SparseBooleanArray();
+        selectionMode = false;
+
+        // Get max available VM memory, exceeding this amount will throw an OutOfMemory exception.
+        final long usedMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
+        final int cacheSize = (int) (Runtime.getRuntime().maxMemory() - usedMemory) / 8;
+
+        memoryCache = new LruCache<>(cacheSize) {
+            @Override
+            protected int sizeOf(Marker.Id key, Bitmap value) {
+                return value.getByteCount();
+            }
+        };
+    }
+
+    public void setActionModeCallback(ActivityUtils.ContextualActionModeCallback actionModeCallback) {
+        this.actionModeCallback = actionModeCallback;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.marker_list_item, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        ViewHolder viewHolder = (ViewHolder) holder;
+
+        viewHolder.bind(markers.get(position));
+    }
+
+    @Override
+    public int getItemCount() {
+        if (markers == null) {
+            return 0;
+        }
+        return markers.size();
+    }
+
+    public void swapData(List<Marker> markers) {
+        this.markers = markers;
+        this.notifyDataSetChanged();
+    }
+
+    @Override
+    public boolean onCreateActionMode(ActionMode actionMode, Menu menu) {
+        actionMode.getMenuInflater().inflate(R.menu.list_context_menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareActionMode(ActionMode actionMode, Menu menu) {
+        selectionMode = true;
+        actionModeCallback.onPrepare(menu, getCheckedPositions(), getCheckedIds(), true);
+        return true;
+    }
+
+    @Override
+    public boolean onActionItemClicked(ActionMode actionMode, MenuItem menuItem) {
+        if (actionModeCallback.onClick(menuItem.getItemId(), getCheckedPositions(), getCheckedIds())) {
+            actionMode.finish();
+        }
+        return true;
+    }
+
+    @Override
+    public void onDestroyActionMode(ActionMode actionMode) {
+        selectionMode = false;
+
+        setAllSelected(false);
+        selection.clear();
+
+        actionModeCallback.onDestroy();
+    }
+
+    public void setAllSelected(boolean isSelected) {
+        for (int i = 0; i < getItemCount(); i++) {
+            ViewHolder holder = (ViewHolder) recyclerView.findViewHolderForLayoutPosition(i);
+            holder.setSelected(isSelected);
+        }
+    }
+
+    private int[] getCheckedPositions() {
+        List<Integer> positions = new ArrayList<>();
+
+        for (int i = 0; i < selection.size(); i++) {
+            if (selection.valueAt(i)) {
+                positions.add(selection.keyAt(i));
+            }
+        }
+
+        return positions.stream().mapToInt(i -> i).toArray();
+    }
+
+    private long[] getCheckedIds() {
+        List<Long> ids = new ArrayList<>();
+
+        for (int i = 0; i < selection.size(); i++) {
+            if (selection.valueAt(i)) {
+                ViewHolder holder = (ViewHolder) recyclerView.findViewHolderForLayoutPosition(selection.keyAt(i));
+                ids.add(holder.getId());
+            }
+        }
+
+        return ids.stream().mapToLong(i -> i).toArray();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
+
+        private final MarkerListItemBinding viewBinding;
+        private final View view;
+
+        private Marker marker;
+
+        public ViewHolder(@NonNull View view) {
+            super(view);
+
+            viewBinding = MarkerListItemBinding.bind(view);
+            this.view = view;
+
+            view.setOnClickListener(this);
+            view.setOnLongClickListener(this);
+        }
+
+        public void bind(Marker marker) {
+            this.marker = marker;
+
+            viewBinding.markerListItemPhoto.setVisibility(marker.hasPhoto() ? View.VISIBLE : View.GONE);
+            viewBinding.markerListItemTextGradient.setVisibility(marker.hasPhoto() ? View.VISIBLE : View.GONE);
+            if (marker.hasPhoto()) {
+                int height = ThemeUtils.getPhotoHeight(context);
+                ViewGroup.LayoutParams params = viewBinding.markerListItemPhoto.getLayoutParams();
+                params.height = height;
+                viewBinding.markerListItemPhoto.setLayoutParams(params);
+                viewBinding.markerListItemTextGradient.setLayoutParams(params);
+
+                asyncLoadPhoto(viewBinding.markerListItemPhoto, marker.getPhotoURI(), marker.getId());
+            }
+
+            viewBinding.markerListItemName.setText(marker.getName());
+
+            {
+                ZoneOffset timeZone = new ContentProviderUtils(context).getTrack(marker.getTrackId()).getZoneOffset();
+                ListItemUtils.setDateAndTime(context, viewBinding.markerListItemDate, viewBinding.markerListItemTime, marker.getTime(), timeZone);
+            }
+
+            String categoryDescription = StringUtils.getCategoryDescription(marker.getCategory(), marker.getDescription());
+            viewBinding.markerListItemTimeDistance.setText(categoryDescription);
+
+            setSelected(selection.get(getLayoutPosition()));
+        }
+
+        public void setSelected(boolean isSelected) {
+            selection.put(getLayoutPosition(), isSelected);
+            view.setActivated(isSelected);
+        }
+
+        public long getId() {
+            return marker.getId().id();
+        }
+
+        @Override
+        public void onClick(View view) {
+            if (selectionMode) {
+                setSelected(!view.isActivated());
+                actionMode.invalidate();
+            } else {
+                Intent intent = IntentUtils.newIntent(context, MarkerDetailActivity.class)
+                        .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, marker.getId());
+                context.startActivity(intent);
+            }
+        }
+
+        @Override
+        public boolean onLongClick(View view) {
+            actionMode = context.startSupportActionMode(MarkerListAdapter.this);
+            setSelected(true);
+            return true;
+        }
+    }
+
+    /**
+     * It loads the photoUrl in the imageView from view.
+     * It takes the photo from cache or from storage if isn't in the cache.
+     *
+     * @param imageView view object where photo will be loaded.
+     * @param photoUri  photo's url.
+     * @param id        marker's id where photo belong.
+     */
+    private void asyncLoadPhoto(ImageView imageView, Uri photoUri, Marker.Id id) {
+
+        Bitmap bm = memoryCache.get(id);
+        imageView.setImageBitmap(bm);
+        if (bm != null) {
+            return;
+        }
+
+        executorService.execute(id, () -> {
+            try (InputStream inputStream = context.getContentResolver().openInputStream(photoUri)) {
+                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+                int height = ThemeUtils.getPhotoHeight(context);
+                Log.d(TAG, "Width : " + (bitmap.getWidth() / (bitmap.getHeight() / height)) + " | Height: " + height);
+                final Bitmap finalPhoto = ThumbnailUtils.extractThumbnail(bitmap, bitmap.getWidth() / (bitmap.getHeight() / height), height);
+                context.runOnUiThread(() -> imageView.setImageBitmap(finalPhoto));
+                memoryCache.put(id, finalPhoto);
+            } catch (IOException e) {
+                Log.e(TAG, "Failed to image " + e);
+            }
+        });
+    }
+}

src/main/java/de/dennisguse/opentracks/ui/util/ListItemUtils.java

@@ -24,7 +24,9 @@ import android.widget.TextView;
 
 import androidx.core.content.ContextCompat;
 
+import java.time.Instant;
 import java.time.OffsetDateTime;
+import java.time.ZoneOffset;
 import java.time.format.DateTimeFormatter;
 
 import de.dennisguse.opentracks.R;
@@ -180,4 +182,17 @@ public class ListItemUtils {
             textView.setShadowLayer(0, 0, 0, 0);
         }
     }
+
+    public static void setDateAndTime(Context context, TextView dateView, TextView timeView, Instant time, ZoneOffset timeZone) {
+        OffsetDateTime offsetDateTime = OffsetDateTime.ofInstant(time, timeZone);
+        String dateContent = StringUtils.formatDateTodayRelative(context, offsetDateTime);
+        String pattern = "HH:mm";
+        if (!offsetDateTime.getOffset().equals(OffsetDateTime.now().getOffset())) {
+            pattern = "HH:mm x";
+        }
+        String timeContent = offsetDateTime.format(DateTimeFormatter.ofPattern(pattern));
+
+        dateView.setText(dateContent);
+        timeView.setText(timeContent);
+    }
 }

src/main/java/de/dennisguse/opentracks/ui/util/ThemeUtils.java

@@ -52,4 +52,15 @@ public class ThemeUtils {
         typedArray.recycle();
         return fontSize;
     }
+
+    /**
+     * Gets the photo height.
+     */
+    public static int getPhotoHeight(Context context) {
+        int[] attrs = new int[]{android.R.attr.listPreferredItemHeight};
+        TypedArray typeArray = context.obtainStyledAttributes(attrs);
+        int height = typeArray.getDimensionPixelSize(0, 128);
+        typeArray.recycle();
+        return 2 * height;
+    }
 }

src/main/res/layout/marker_list_item.xml

@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/activated_background"
+    android:padding="8dp">
+
+    <!-- Photo -->
+    <ImageView
+        android:id="@+id/marker_list_item_photo"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:contentDescription="@string/image_photo_marker"
+        android:scaleType="centerCrop"
+        app:layout_constraintBottom_toTopOf="@id/marker_list_item_bottom_line"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:src="@tools:sample/avatars" />
+
+    <!-- A gradient on top of the text -->
+    <ImageView
+        android:id="@+id/marker_list_item_text_gradient"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:alpha=".6"
+        android:contentDescription="@string/image_photo_marker"
+        android:src="@drawable/text_gradient"
+        android:visibility="gone"
+        app:layout_constraintBottom_toTopOf="@+id/marker_list_item_bottom_line"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:visibility="visible" />
+
+    <!-- Name -->
+    <TextView
+        android:id="@+id/marker_list_item_name"
+        style="?attr/textAppearanceBody1"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:singleLine="true"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Main text" />
+
+    <!-- Date -->
+    <TextView
+        android:id="@+id/marker_list_item_date"
+        style="?attr/textAppearanceBodySmall"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="end"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="2022-02-17" />
+
+    <!-- Total time and distance -->
+    <TextView
+        android:id="@+id/marker_list_item_time_distance"
+        style='?attr/textAppearanceBodySmall'
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="@+id/marker_list_item_name"
+        app:layout_constraintTop_toBottomOf="@+id/marker_list_item_name"
+        tools:text="50:43 (50.00km)" />
+
+    <!-- Time -->
+    <TextView
+        android:id="@+id/marker_list_item_time"
+        style="?attr/textAppearanceBodySmall"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:gravity="end"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/marker_list_item_name"
+        tools:text="10:10:10" />
+
+    <androidx.constraintlayout.widget.Barrier
+        android:id="@+id/marker_list_item_barrier"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:barrierDirection="bottom"
+        app:constraint_referenced_ids="marker_list_item_photo,marker_list_item_text_gradient,marker_list_item_name,marker_list_item_date,marker_list_item_time_distance,marker_list_item_time" />
+
+    <!-- Bottom Line -->
+    <View
+        android:id="@+id/marker_list_item_bottom_line"
+        style="@style/HorizontalLine"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/marker_list_item_barrier" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>