Disable mass APNG animation on low-memory devices.

app/src/main/java/org/thoughtcrime/securesms/glide/cache/ApngBufferCacheDecoder.java

@@ -20,7 +20,11 @@ public class ApngBufferCacheDecoder implements ResourceDecoder<ByteBuffer, APNGD
 
   @Override
   public boolean handles(@NonNull ByteBuffer source, @NonNull Options options) {
-    return APNGParser.isAPNG(new ByteBufferReader(source));
+    if (options.get(ApngOptions.ANIMATE)) {
+      return APNGParser.isAPNG(new ByteBufferReader(source));
+    } else {
+      return false;
+    }
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/glide/cache/ApngOptions.java

@@ -0,0 +1,20 @@
+package org.thoughtcrime.securesms.glide.cache;
+
+import com.bumptech.glide.load.Option;
+
+import org.signal.core.util.Conversions;
+
+/**
+ * Holds options that can be used to alter how APNGs are decoded in Glide.
+ */
+public final class ApngOptions {
+
+  private static final String KEY = "org.signal.skip_apng";
+
+  public static Option<Boolean> ANIMATE = Option.disk(KEY, true, (keyBytes, value, messageDigest) -> {
+    messageDigest.update(keyBytes);
+    messageDigest.update(Conversions.intToByteArray(value ? 1 : 0));
+  });
+
+  private ApngOptions() {}
+}

app/src/main/java/org/thoughtcrime/securesms/glide/cache/ApngStreamCacheDecoder.java

@@ -26,7 +26,11 @@ public class ApngStreamCacheDecoder implements ResourceDecoder<InputStream, APNG
 
   @Override
   public boolean handles(@NonNull InputStream source, @NonNull Options options) {
-    return APNGParser.isAPNG(new StreamReader(source));
+    if (options.get(ApngOptions.ANIMATE)) {
+      return APNGParser.isAPNG(new StreamReader(source));
+    } else {
+      return false;
+    }
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerKeyboardPageAdapter.java

@@ -14,6 +14,7 @@ import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions;
 
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.database.model.StickerRecord;
+import org.thoughtcrime.securesms.glide.cache.ApngOptions;
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 
@@ -29,13 +30,15 @@ final class StickerKeyboardPageAdapter extends RecyclerView.Adapter<StickerKeybo
   private final GlideRequests       glideRequests;
   private final EventListener       eventListener;
   private final List<StickerRecord> stickers;
+  private final boolean             allowApngAnimation;
 
   private int stickerSize;
 
-  StickerKeyboardPageAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener) {
+  StickerKeyboardPageAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener, boolean allowApngAnimation) {
-    this.glideRequests = glideRequests;
+    this.glideRequests      = glideRequests;
-    this.eventListener = eventListener;
+    this.eventListener      = eventListener;
-    this.stickers      = new ArrayList<>();
+    this.allowApngAnimation = allowApngAnimation;
+    this.stickers           = new ArrayList<>();
 
     setHasStableIds(true);
   }
@@ -52,7 +55,7 @@ final class StickerKeyboardPageAdapter extends RecyclerView.Adapter<StickerKeybo
 
   @Override
   public void onBindViewHolder(@NonNull StickerKeyboardPageViewHolder viewHolder, int i) {
-    viewHolder.bind(glideRequests, eventListener, stickers.get(i), stickerSize);
+    viewHolder.bind(glideRequests, eventListener, stickers.get(i), stickerSize, allowApngAnimation);
   }
 
   @Override
@@ -93,7 +96,8 @@ final class StickerKeyboardPageAdapter extends RecyclerView.Adapter<StickerKeybo
     public void bind(@NonNull GlideRequests glideRequests,
                      @Nullable EventListener eventListener,
                      @NonNull StickerRecord sticker,
-                     @Px int size)
+                     @Px int size,
+                     boolean allowApngAnimation)
     {
       currentSticker = sticker;
 
@@ -102,6 +106,7 @@ final class StickerKeyboardPageAdapter extends RecyclerView.Adapter<StickerKeybo
       itemView.requestLayout();
 
       glideRequests.load(new DecryptableUri(sticker.getUri()))
+                   .set(ApngOptions.ANIMATE, allowApngAnimation)
                    .transition(DrawableTransitionOptions.withCrossFade())
                    .into(image);
 

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerKeyboardPageFragment.java

@@ -23,6 +23,7 @@ import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.stickers.StickerKeyboardPageAdapter.StickerKeyboardPageViewHolder;
+import org.thoughtcrime.securesms.util.DeviceProperties;
 import org.whispersystems.libsignal.util.Pair;
 
 /**
@@ -69,7 +70,7 @@ public final class StickerKeyboardPageFragment extends Fragment implements Stick
     GlideRequests glideRequests = GlideApp.with(this);
 
     this.list              = view.findViewById(R.id.sticker_keyboard_list);
-    this.adapter           = new StickerKeyboardPageAdapter(glideRequests, this);
+    this.adapter           = new StickerKeyboardPageAdapter(glideRequests, this, DeviceProperties.shouldAllowApngStickerAnimation(requireContext()));
     this.layoutManager     = new GridLayoutManager(requireContext(), 2);
     this.listTouchListener = new StickerRolloverTouchListener(requireContext(), glideRequests, eventListener, this);
     this.packId            = getArguments().getString(KEY_PACK_ID);

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerKeyboardProvider.java

@@ -19,10 +19,12 @@ import org.thoughtcrime.securesms.components.emoji.MediaKeyboardProvider;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.model.StickerPackRecord;
 import org.thoughtcrime.securesms.database.model.StickerRecord;
+import org.thoughtcrime.securesms.glide.cache.ApngOptions;
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.stickers.StickerKeyboardPageFragment.EventListener;
 import org.thoughtcrime.securesms.stickers.StickerKeyboardRepository.PackListResult;
+import org.thoughtcrime.securesms.util.DeviceProperties;
 import org.thoughtcrime.securesms.util.Throttler;
 
 import java.util.ArrayList;
@@ -147,7 +149,7 @@ public final class StickerKeyboardProvider implements MediaKeyboardProvider,
       startingIndex = !result.hasRecents() && result.getPacks().size() > 0 ? 1 : 0;
     }
 
-    presenter.present(this, pagerAdapter, new IconProvider(context, result.getPacks()), null, this, null, startingIndex);
+    presenter.present(this, pagerAdapter, new IconProvider(context, result.getPacks(), DeviceProperties.shouldAllowApngStickerAnimation(context)), null, this, null, startingIndex);
 
     if (isSoloProvider && result.getPacks().isEmpty()) {
       context.startActivity(StickerManagementActivity.getIntent(context));
@@ -238,10 +240,12 @@ public final class StickerKeyboardProvider implements MediaKeyboardProvider,
 
     private final Context                 context;
     private final List<StickerPackRecord> packs;
+    private final boolean                 allowApngAnimation;
 
-    private IconProvider(@NonNull Context context, List<StickerPackRecord> packs) {
+    private IconProvider(@NonNull Context context, List<StickerPackRecord> packs, boolean allowApngAnimation) {
-      this.context    = context;
+      this.context            = context;
-      this.packs      = packs;
+      this.packs              = packs;
+      this.allowApngAnimation = allowApngAnimation;
     }
 
     @Override
@@ -253,6 +257,7 @@ public final class StickerKeyboardProvider implements MediaKeyboardProvider,
         Uri uri = packs.get(index - 1).getCover().getUri();
 
         glideRequests.load(new DecryptableStreamUriLoader.DecryptableUri(uri))
+                     .set(ApngOptions.ANIMATE, allowApngAnimation)
                      .into(imageView);
       }
     }

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerManagementActivity.java

@@ -15,6 +15,7 @@ import org.thoughtcrime.securesms.PassphraseRequiredActivity;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.sharing.ShareActivity;
+import org.thoughtcrime.securesms.util.DeviceProperties;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
 /**
@@ -93,7 +94,7 @@ public final class StickerManagementActivity extends PassphraseRequiredActivity
 
   private void initView() {
     this.list    = findViewById(R.id.sticker_management_list);
-    this.adapter = new StickerManagementAdapter(GlideApp.with(this), this);
+    this.adapter = new StickerManagementAdapter(GlideApp.with(this), this, DeviceProperties.shouldAllowApngStickerAnimation(this));
 
     list.setLayoutManager(new LinearLayoutManager(this));
     list.setAdapter(adapter);

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerManagementAdapter.java

@@ -21,6 +21,7 @@ import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.components.emoji.EmojiTextView;
 import org.thoughtcrime.securesms.database.model.StickerPackRecord;
+import org.thoughtcrime.securesms.glide.cache.ApngOptions;
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.util.adapter.SectionedRecyclerViewAdapter;
@@ -38,6 +39,7 @@ final class StickerManagementAdapter extends SectionedRecyclerViewAdapter<String
 
   private final GlideRequests  glideRequests;
   private final EventListener  eventListener;
+  private final boolean        allowApngAnimation;
 
   private final List<StickerSection> sections = new ArrayList<StickerSection>(3) {{
     StickerSection yourStickers    = new StickerSection(TAG_YOUR_STICKERS,
@@ -55,9 +57,10 @@ final class StickerManagementAdapter extends SectionedRecyclerViewAdapter<String
     add(messageStickers);
   }};
 
-  StickerManagementAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener) {
+  StickerManagementAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener, boolean allowApngAnimation) {
-    this.glideRequests = glideRequests;
+    this.glideRequests      = glideRequests;
-    this.eventListener = eventListener;
+    this.eventListener      = eventListener;
+    this.allowApngAnimation = allowApngAnimation;
   }
 
   @Override
@@ -82,7 +85,7 @@ final class StickerManagementAdapter extends SectionedRecyclerViewAdapter<String
 
   @Override
   public void bindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, @NonNull StickerSection section, int localPosition) {
-    section.bindViewHolder(viewHolder, localPosition, glideRequests, eventListener);
+    section.bindViewHolder(viewHolder, localPosition, glideRequests, eventListener, allowApngAnimation);
   }
 
   @Override
@@ -198,14 +201,15 @@ final class StickerManagementAdapter extends SectionedRecyclerViewAdapter<String
     void bindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder,
                         int localPosition,
                         @NonNull GlideRequests glideRequests,
-                        @NonNull EventListener eventListener)
+                        @NonNull EventListener eventListener,
+                        boolean allowApngAnimation)
     {
       if (localPosition == 0) {
         ((HeaderViewHolder) viewHolder).bind(titleResId);
       } else if (records.isEmpty()) {
         ((EmptyViewHolder) viewHolder).bind(emptyResId);
       } else {
-        ((StickerViewHolder) viewHolder).bind(glideRequests, eventListener, records.get(localPosition - 1), localPosition == records.size());
+        ((StickerViewHolder) viewHolder).bind(glideRequests, eventListener, records.get(localPosition - 1), localPosition == records.size(), allowApngAnimation);
       }
     }
 
@@ -254,7 +258,8 @@ final class StickerManagementAdapter extends SectionedRecyclerViewAdapter<String
     void bind(@NonNull GlideRequests glideRequests,
               @NonNull EventListener eventListener,
               @NonNull StickerPackRecord stickerPack,
-              boolean lastInList)
+              boolean lastInList,
+              boolean allowApngAnimation)
     {
       title.setText(stickerPack.getTitle().or(itemView.getResources().getString(R.string.StickerManagementAdapter_untitled)));
       author.setText(stickerPack.getAuthor().or(itemView.getResources().getString(R.string.StickerManagementAdapter_unknown)));
@@ -268,6 +273,7 @@ final class StickerManagementAdapter extends SectionedRecyclerViewAdapter<String
 
       glideRequests.load(new DecryptableUri(stickerPack.getCover().getUri()))
                    .transition(DrawableTransitionOptions.withCrossFade())
+                   .set(ApngOptions.ANIMATE, allowApngAnimation)
                    .into(cover);
 
       if (stickerPack.isInstalled()) {

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerPackPreviewActivity.java

@@ -21,10 +21,12 @@ import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions;
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.PassphraseRequiredActivity;
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.glide.cache.ApngOptions;
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.sharing.ShareActivity;
 import org.thoughtcrime.securesms.stickers.StickerManifest.Sticker;
+import org.thoughtcrime.securesms.util.DeviceProperties;
 import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.whispersystems.libsignal.util.Pair;
@@ -140,7 +142,7 @@ public final class StickerPackPreviewActivity extends PassphraseRequiredActivity
     this.shareButton      = findViewById(R.id.sticker_install_share_button);
     this.shareButtonImage = findViewById(R.id.sticker_install_share_button_image);
 
-    this.adapter       = new StickerPackPreviewAdapter(GlideApp.with(this), this);
+    this.adapter       = new StickerPackPreviewAdapter(GlideApp.with(this), this, DeviceProperties.shouldAllowApngStickerAnimation(this));
     this.layoutManager = new GridLayoutManager(this, 2);
     this.touchListener = new StickerRolloverTouchListener(this, GlideApp.with(this), this, this);
     onScreenWidthChanged(getScreenWidth());
@@ -192,6 +194,7 @@ public final class StickerPackPreviewActivity extends PassphraseRequiredActivity
                                                  : new StickerRemoteUri(cover.getPackId(), cover.getPackKey(), cover.getId());
       GlideApp.with(this).load(model)
                          .transition(DrawableTransitionOptions.withCrossFade())
+                         .set(ApngOptions.ANIMATE, DeviceProperties.shouldAllowApngStickerAnimation(this))
                          .into(coverImage);
     } else {
       coverImage.setImageDrawable(null);

app/src/main/java/org/thoughtcrime/securesms/stickers/StickerPackPreviewAdapter.java

@@ -12,6 +12,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions;
 
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.glide.cache.ApngOptions;
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 
@@ -23,11 +24,13 @@ public final class StickerPackPreviewAdapter extends RecyclerView.Adapter<Sticke
   private final GlideRequests                 glideRequests;
   private final EventListener                 eventListener;
   private final List<StickerManifest.Sticker> list;
+  private final boolean                       allowApngAnimation;
 
-  public StickerPackPreviewAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener) {
+  public StickerPackPreviewAdapter(@NonNull GlideRequests glideRequests, @NonNull EventListener eventListener, boolean allowApngAnimation) {
-    this.glideRequests = glideRequests;
+    this.glideRequests      = glideRequests;
-    this.eventListener = eventListener;
+    this.eventListener      = eventListener;
-    this.list          = new ArrayList<>();
+    this.allowApngAnimation = allowApngAnimation;
+    this.list               = new ArrayList<>();
   }
 
   @Override
@@ -37,7 +40,7 @@ public final class StickerPackPreviewAdapter extends RecyclerView.Adapter<Sticke
 
   @Override
   public void onBindViewHolder(@NonNull StickerViewHolder stickerViewHolder, int i) {
-    stickerViewHolder.bind(glideRequests, list.get(i), eventListener);
+    stickerViewHolder.bind(glideRequests, list.get(i), eventListener, allowApngAnimation);
   }
 
   @Override
@@ -68,12 +71,17 @@ public final class StickerPackPreviewAdapter extends RecyclerView.Adapter<Sticke
       this.image = itemView.findViewById(R.id.sticker_install_item_image);
     }
 
-    void bind(@NonNull GlideRequests glideRequests, @NonNull StickerManifest.Sticker sticker, @NonNull EventListener eventListener) {
+    void bind(@NonNull GlideRequests glideRequests,
+              @NonNull StickerManifest.Sticker sticker,
+              @NonNull EventListener eventListener,
+              boolean allowApngAnimation)
+    {
       currentEmoji      = sticker.getEmoji();
       currentGlideModel = sticker.getUri().isPresent() ? new DecryptableStreamUriLoader.DecryptableUri(sticker.getUri().get())
                                                        : new StickerRemoteUri(sticker.getPackId(), sticker.getPackKey(), sticker.getId());
       glideRequests.load(currentGlideModel)
                    .transition(DrawableTransitionOptions.withCrossFade())
+                   .set(ApngOptions.ANIMATE, allowApngAnimation)
                    .into(image);
 
       image.setOnLongClickListener(v -> {

app/src/main/java/org/thoughtcrime/securesms/util/DeviceProperties.java

@@ -0,0 +1,30 @@
+package org.thoughtcrime.securesms.util;
+
+import android.app.ActivityManager;
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+
+/**
+ * Easy access to various properties of the device, typically to make performance-related decisions.
+ */
+public final class DeviceProperties {
+
+  /**
+   * Whether or not we believe the device has the performance capabilities to efficiently render
+   * large numbers of APNGs simultaneously.
+   */
+  public static boolean shouldAllowApngStickerAnimation(@NonNull Context context) {
+    return !isLowMemoryDevice(context) && getMemoryClass(context) >= FeatureFlags.animatedStickerMinimumMemory();
+  }
+
+  public static boolean isLowMemoryDevice(@NonNull Context context) {
+    ActivityManager activityManager = ServiceUtil.getActivityManager(context);
+    return activityManager.isLowRamDevice();
+  }
+
+  public static int getMemoryClass(@NonNull Context context) {
+    ActivityManager activityManager = ServiceUtil.getActivityManager(context);
+    return activityManager.getMemoryClass();
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/util/FeatureFlags.java

@@ -72,6 +72,7 @@ public final class FeatureFlags {
   private static final String DEFAULT_MAX_BACKOFF          = "android.defaultMaxBackoff";
   private static final String OKHTTP_AUTOMATIC_RETRY       = "android.okhttpAutomaticRetry";
   private static final String SHARE_SELECTION_LIMIT        = "android.share.limit";
+  private static final String ANIMATED_STICKER_MIN_MEMORY  = "android.animatedStickerMinMemory";
 
   /**
    * We will only store remote values for flags in this set. If you want a flag to be controllable
@@ -100,7 +101,8 @@ public final class FeatureFlags {
       AUTOMATIC_SESSION_INTERVAL,
       DEFAULT_MAX_BACKOFF,
       OKHTTP_AUTOMATIC_RETRY,
-      SHARE_SELECTION_LIMIT
+      SHARE_SELECTION_LIMIT,
+      ANIMATED_STICKER_MIN_MEMORY
   );
 
   @VisibleForTesting
@@ -139,7 +141,8 @@ public final class FeatureFlags {
       AUTOMATIC_SESSION_INTERVAL,
       DEFAULT_MAX_BACKOFF,
       OKHTTP_AUTOMATIC_RETRY,
-      SHARE_SELECTION_LIMIT
+      SHARE_SELECTION_LIMIT,
+      ANIMATED_STICKER_MIN_MEMORY
   );
 
   /**
@@ -324,6 +327,11 @@ public final class FeatureFlags {
     return getBoolean(OKHTTP_AUTOMATIC_RETRY, false);
   }
 
+  /** The minimum amount of memory required for rendering animated stickers in the keyboard and such */
+  public static int animatedStickerMinimumMemory() {
+    return getInteger(ANIMATED_STICKER_MIN_MEMORY, 193);
+  }
+
   /** Only for rendering debug info. */
   public static synchronized @NonNull Map<String, Object> getMemoryValues() {
     return new TreeMap<>(REMOTE_VALUES);