Allow creating videos for posts and add preview

src/main/java/eu/siacs/conversations/persistance/FileBackend.java

@@ -2457,6 +2457,24 @@ public class FileBackend {
         }
     }
 
+    public Uri getTakeVideoUri() {
+        final String filename =
+                String.format("IMG_%s.%s", IMAGE_DATE_FORMAT.format(new Date()), "mp4");
+        final File directory;
+        if (Config.ONLY_INTERNAL_STORAGE) {
+            directory = new File(mXmppConnectionService.getCacheDir(), "Camera");
+        } else {
+            directory =
+                    new File(
+                            Environment.getExternalStoragePublicDirectory(
+                                    Environment.DIRECTORY_DCIM),
+                            "Camera");
+        }
+        final File file = new File(directory, filename);
+        file.getParentFile().mkdirs();
+        return getUriForFile(mXmppConnectionService, file, filename);
+    }
+
     private static class Dimensions {
         public final int width;
         public final int height;

src/main/java/eu/siacs/conversations/ui/CreatePostActivity.java

@@ -3,6 +3,7 @@ package eu.siacs.conversations.ui;
 import android.Manifest;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.MediaStore;
@@ -15,9 +16,16 @@ import android.widget.Toast;
 
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.core.content.ContextCompat;
 import androidx.databinding.DataBindingUtil;
 
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.target.CustomTarget;
+import com.bumptech.glide.request.transition.Transition;
+
+import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
@@ -54,6 +62,21 @@ public class CreatePostActivity extends XmppActivity {
                     attachmentUri = mCameraUri;
                     binding.attachmentPreview.setImageURI(attachmentUri);
                     binding.attachmentPreview.setVisibility(View.VISIBLE);
+                    binding.attachmentVideoView.setVisibility(View.GONE);
+                }
+            });
+
+    private final ActivityResultLauncher<Intent> takeVideoLauncher =
+            registerForActivityResult(new ActivityResultContracts.StartActivityForResult(), result -> {
+                if (result.getResultCode() == RESULT_OK) {
+                    attachmentUri = mCameraUri;
+                    binding.attachmentVideoView.setVideoURI(attachmentUri);
+                    binding.attachmentVideoView.setOnPreparedListener(mp -> {
+                        mp.setLooping(true);
+                        binding.attachmentVideoView.start();
+                    });
+                    binding.attachmentVideoView.setVisibility(View.VISIBLE);
+                    binding.attachmentPreview.setVisibility(View.GONE);
                 }
             });
 
@@ -62,8 +85,20 @@ public class CreatePostActivity extends XmppActivity {
             uri -> {
                 if (uri != null) {
                     this.attachmentUri = uri;
-                    binding.attachmentPreview.setImageURI(attachmentUri);
-                    binding.attachmentPreview.setVisibility(View.VISIBLE);
+                    final String mimeType = getContentResolver().getType(attachmentUri);
+                    if (mimeType != null && mimeType.startsWith("image/")) {
+                        binding.attachmentPreview.setImageURI(attachmentUri);
+                        binding.attachmentPreview.setVisibility(View.VISIBLE);
+                        binding.attachmentVideoView.setVisibility(View.GONE);
+                    } else if (mimeType != null && mimeType.startsWith("video/")) {
+                        binding.attachmentVideoView.setVideoURI(attachmentUri);
+                        binding.attachmentVideoView.setOnPreparedListener(mp -> {
+                            mp.setLooping(true);
+                            binding.attachmentVideoView.start();
+                        });
+                        binding.attachmentVideoView.setVisibility(View.VISIBLE);
+                        binding.attachmentPreview.setVisibility(View.GONE);
+                    }
                 }
             }
     );
@@ -101,6 +136,13 @@ public class CreatePostActivity extends XmppActivity {
                 requestPermissionLauncher.launch(Manifest.permission.CAMERA);
             }
         });
+        binding.attachVideoButton.setOnClickListener(v -> {
+            if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
+                openVideoCamera();
+            } else {
+                requestPermissionLauncher.launch(Manifest.permission.CAMERA);
+            }
+        });
     }
 
     private void openCamera() {
@@ -114,13 +156,24 @@ public class CreatePostActivity extends XmppActivity {
         takePictureLauncher.launch(takePictureIntent);
     }
 
+    private void openVideoCamera() {
+        if (xmppConnectionService == null) {
+            Toast.makeText(this, R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
+            return;
+        }
+        mCameraUri = xmppConnectionService.getFileBackend().getTakeVideoUri();
+        Intent takeVideoIntent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
+        takeVideoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCameraUri);
+        takeVideoLauncher.launch(takeVideoIntent);
+    }
+
     @Override
     protected void refreshUiReal() {
 
     }
 
     @Override
-    public void onBackendConnected()  {
+    public void onBackendConnected() {
         if (xmppConnectionService != null && accountUuid == null) {
             onlineAccounts.clear();
             List<String> accountJids = new ArrayList<>();
@@ -234,4 +287,4 @@ public class CreatePostActivity extends XmppActivity {
         }
         return super.onOptionsItemSelected(item);
     }
-}
+}

src/main/res/layout/activity_create_post.xml

@@ -21,17 +21,35 @@
 
     </com.google.android.material.appbar.AppBarLayout>
 
-    <ImageView
-        android:id="@+id/attachment_preview"
-        android:layout_width="150dp"
-        android:layout_height="150dp"
-        android:layout_marginTop="8dp"
-        android:visibility="gone"
+    <LinearLayout
+        android:id="@+id/posts_attachment_preview_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:orientation="vertical"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/app_bar"
-        tools:src="@tools:sample/avatars"
-        tools:visibility="visible"/>
+        app:layout_constraintTop_toBottomOf="@+id/app_bar">
+
+        <ImageView
+            android:id="@+id/attachment_preview"
+            android:layout_width="match_parent"
+            android:layout_height="150dp"
+            android:layout_gravity="center_horizontal"
+            android:visibility="gone"
+            android:scaleType="fitCenter"
+            tools:src="@tools:sample/avatars"
+            tools:visibility="visible" />
+
+        <VideoView
+            android:id="@+id/attachment_video_view"
+            android:layout_width="match_parent"
+            android:layout_height="150dp"
+            android:layout_gravity="center_horizontal"
+            android:visibility="gone"
+            tools:src="@tools:sample/avatars"
+            tools:visibility="visible" />
+    </LinearLayout>
 
     <Spinner
         android:id="@+id/account_spinner"
@@ -42,7 +60,7 @@
         android:layout_marginEnd="16dp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/attachment_preview" />
+        app:layout_constraintTop_toBottomOf="@+id/posts_attachment_preview_layout" />
 
     <com.google.android.material.textfield.TextInputLayout
         android:id="@+id/post_title_layout"
@@ -104,6 +122,14 @@
             android:layout_height="wrap_content"
             android:src="@drawable/ic_camera_alt_24dp" />
 
+        <ImageButton
+            android:id="@+id/attach_video_button"
+            style="?android:attr/buttonBarButtonStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@drawable/ic_videocam_24dp"
+            android:contentDescription="@string/attach_record_video" />
+
     </LinearLayout>
 
     <Button

src/main/res/layout/dialog_create_story.xml

@@ -3,6 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical"
     android:padding="16dp">
 
@@ -19,7 +20,8 @@
         android:layout_width="match_parent"
         android:layout_height="250dp"
         android:layout_gravity="center_horizontal"
-        android:visibility="gone" />
+        android:visibility="gone"
+        tools:visibility="visible" />
 
     <TextView
         android:id="@+id/publish_info_text"