1 files changed, 65 insertions, 0 deletions
diff --git a/src/android/app/src/main/java/org/citra/citra_emu/camera/StillImageCameraHelper.java b/src/android/app/src/main/java/org/citra/citra_emu/camera/StillImageCameraHelper.java
new file mode 100644
index 000000000..701cb0710
--- /dev/null
+++ b/src/android/app/src/main/java/org/citra/citra_emu/camera/StillImageCameraHelper.java
@@ -0,0 +1,65 @@
+// Copyright 2020 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+package org.citra.citra_emu.camera;
+
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.provider.MediaStore;
+
+import org.citra.citra_emu.NativeLibrary;
+import org.citra.citra_emu.R;
+import org.citra.citra_emu.activities.EmulationActivity;
+import org.citra.citra_emu.utils.PicassoUtils;
+
+import androidx.annotation.Nullable;
+
+// Used in native code.
+public final class StillImageCameraHelper {
+    public static final int REQUEST_CAMERA_FILE_PICKER = 1;
+    private static final Object filePickerLock = new Object();
+    private static @Nullable
+    String filePickerPath;
+
+    // Opens file picker for camera.
+    public static @Nullable
+    String OpenFilePicker() {
+        final EmulationActivity emulationActivity = NativeLibrary.sEmulationActivity.get();
+
+        // At this point, we are assuming that we already have permissions as they are
+        // needed to launch a game
+        emulationActivity.runOnUiThread(() -> {
+            Intent intent = new Intent(Intent.ACTION_PICK);
+            intent.setDataAndType(MediaStore.Images.Media.INTERNAL_CONTENT_URI, "image/*");
+            emulationActivity.startActivityForResult(
+                    Intent.createChooser(intent,
+                            emulationActivity.getString(R.string.camera_select_image)),
+                    REQUEST_CAMERA_FILE_PICKER);
+        });
+
+        synchronized (filePickerLock) {
+            try {
+                filePickerLock.wait();
+            } catch (InterruptedException ignored) {
+            }
+        }
+
+        return filePickerPath;
+    }
+
+    // Called from EmulationActivity.
+    public static void OnFilePickerResult(Intent result) {
+        filePickerPath = result == null ? null : result.getDataString();
+
+        synchronized (filePickerLock) {
+            filePickerLock.notifyAll();
+        }
+    }
+
+    // Blocking call. Load image from file and crop/resize it to fit in width x height.
+    @Nullable
+    public static Bitmap LoadImageFromFile(String uri, int width, int height) {
+        return PicassoUtils.LoadBitmapFromFile(uri, width, height);
+    }
+}