Added option to show video thumbnails

app/src/main/java/eu/faircode/email/AdapterMedia.java

@@ -28,11 +28,13 @@ import android.graphics.Color;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.pdf.PdfRenderer;
+import android.media.ThumbnailUtils;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
 import android.text.TextUtils;
+import android.util.Size;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -144,6 +146,11 @@ public class AdapterMedia extends RecyclerView.Adapter<AdapterMedia.ViewHolder>
                                 Log.w(ex);
                                 return null;
                             }
+                        } else if (type != null && type.startsWith("video/")) {
+                            Bitmap bm = ThumbnailUtils.createVideoThumbnail(file, new Size(max, max), null);
+                            if (bm == null)
+                                return null;
+                            return new BitmapDrawable(context.getResources(), bm);
                         } else {
                             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
                             boolean webp = prefs.getBoolean("webp", true);

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -303,6 +303,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
     private boolean attachments_alt;
     private boolean thumbnails;
     private boolean pdf_preview;
+    private boolean video_preview;
     private boolean audio_preview;
     private boolean contrast;
     private boolean hyphenation;
@@ -3687,6 +3688,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             if (thumbnails && bind_extras) {
                 for (EntityAttachment attachment : attachments)
                     if ((pdf_preview && attachment.isPDF()) ||
+                            (video_preview && attachment.isVideo()) ||
                             (audio_preview && attachment.isAudio()) ||
                             (attachment.isAttachment() && attachment.isImage())) {
                         media.add(attachment);
@@ -8040,6 +8042,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         this.attachments_alt = prefs.getBoolean("attachments_alt", false);
         this.thumbnails = prefs.getBoolean("thumbnails", true);
         this.pdf_preview = prefs.getBoolean("pdf_preview", true);
+        this.video_preview = prefs.getBoolean("video_preview", false);
         this.audio_preview = prefs.getBoolean("audio_preview", false);
         this.contrast = prefs.getBoolean("contrast", false);
         this.hyphenation = prefs.getBoolean("hyphenation", false);

app/src/main/java/eu/faircode/email/EntityAttachment.java

@@ -117,6 +117,11 @@ public class EntityAttachment {
         return ImageHelper.isImage(getMimeType());
     }
 
+    boolean isVideo() {
+        String type = getMimeType();
+        return (type != null && type.startsWith("video/"));
+    }
+
     boolean isAudio() {
         String type = getMimeType();
         return (type != null && type.startsWith("audio/"));

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -155,7 +155,7 @@ public class FragmentOptions extends FragmentBase {
             "subject_top", "subject_italic", "highlight_subject", "font_size_subject", "subject_ellipsize",
             "keywords_header", "labels_header", "flags", "flags_background", "preview", "preview_italic", "preview_lines", "align_header",
             "message_zoom", "overview_mode", "addresses", "button_extra", "attachments_alt",
-            "thumbnails", "pdf_preview", "audio_preview",
+            "thumbnails", "pdf_preview", "video_preview", "audio_preview",
             "contrast", "hyphenation", "display_font", "monospaced_pre",
             "list_count", "bundled_fonts", "narrow_fonts", "parse_classes",
             "background_color", "text_color", "text_size", "text_font", "text_align", "text_titles", "text_separators",

app/src/main/java/eu/faircode/email/FragmentOptionsDisplay.java

@@ -185,6 +185,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
     private SwitchCompat swAttachmentsAlt;
     private SwitchCompat swThumbnails;
     private SwitchCompat swPdfPreview;
+    private SwitchCompat swVideoPreview;
     private SwitchCompat swAudioPreview;
 
     private SwitchCompat swListCount;
@@ -225,7 +226,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             "hyphenation", "display_font", "contrast", "monospaced_pre",
             "text_separators",
             "collapse_quotes", "image_placeholders", "inline_images", "button_extra",
-            "unzip", "attachments_alt", "thumbnails", "pdf_preview", "audio_preview",
+            "unzip", "attachments_alt", "thumbnails", "pdf_preview", "video_preview", "audio_preview",
             "list_count", "bundled_fonts", "narrow_fonts", "parse_classes",
             "background_color", "text_color", "text_size", "text_font", "text_align", "text_titles",
             "authentication", "authentication_indicator"
@@ -358,6 +359,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
         swAttachmentsAlt = view.findViewById(R.id.swAttachmentsAlt);
         swThumbnails = view.findViewById(R.id.swThumbnails);
         swPdfPreview = view.findViewById(R.id.swPdfPreview);
+        swVideoPreview = view.findViewById(R.id.swVideoPreview);
         swAudioPreview = view.findViewById(R.id.swAudioPreview);
 
         swListCount = view.findViewById(R.id.swListCount);
@@ -1320,6 +1322,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                 prefs.edit().putBoolean("thumbnails", checked).apply();
                 swPdfPreview.setEnabled(checked);
+                swVideoPreview.setEnabled(checked);
                 swAudioPreview.setEnabled(checked);
             }
         });
@@ -1331,6 +1334,13 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             }
         });
 
+        swVideoPreview.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("video_preview", checked).apply();
+            }
+        });
+
         swAudioPreview.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -1681,6 +1691,8 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             swThumbnails.setChecked(prefs.getBoolean("thumbnails", true));
             swPdfPreview.setChecked(prefs.getBoolean("pdf_preview", true));
             swPdfPreview.setEnabled(swThumbnails.isChecked());
+            swVideoPreview.setChecked(prefs.getBoolean("video_preview", false));
+            swVideoPreview.setEnabled(swThumbnails.isChecked());
             swAudioPreview.setChecked(prefs.getBoolean("audio_preview", false));
             swAudioPreview.setEnabled(swThumbnails.isChecked());
 

app/src/main/res/layout/fragment_options_display.xml

@@ -2047,6 +2047,18 @@
                     app:layout_constraintTop_toBottomOf="@id/swThumbnails"
                     app:switchPadding="12dp" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swVideoPreview"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_video_preview"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swPdfPreview"
+                    app:switchPadding="12dp" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swAudioPreview"
                     android:layout_width="0dp"
@@ -2056,7 +2068,7 @@
                     android:text="@string/title_advanced_audio_preview"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swPdfPreview"
+                    app:layout_constraintTop_toBottomOf="@id/swVideoPreview"
                     app:switchPadding="12dp" />
 
                 <androidx.constraintlayout.widget.Group

app/src/main/res/values/strings.xml

@@ -637,6 +637,7 @@
     <string name="title_advanced_attachments_alt">Show attachments after the message text</string>
     <string name="title_advanced_thumbnails">Show image thumbnails after the message text</string>
     <string name="title_advanced_pdf_preview">Show PDF thumbnails</string>
+    <string name="title_advanced_video_preview">Show video thumbnails</string>
     <string name="title_advanced_audio_preview">Show mini audio player</string>
     <string name="title_advanced_message_text_zoom2">Default message text zoom: %1$s %%</string>
     <string name="title_advanced_editor_text_zoom">Zoom message text also in the message editor</string>