1 files changed, 54 insertions, 0 deletions
diff --git a/widget/TextRecognition.h b/widget/TextRecognition.h
new file mode 100644
index 0000000000..246c860a88
--- /dev/null
+++ b/widget/TextRecognition.h
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_widget_nsTextRecognition__
+#define mozilla_widget_nsTextRecognition__
+
+#include "mozilla/MozPromise.h"
+#include "mozilla/gfx/Point.h"
+#include "nsTArray.h"
+
+class imgIContainer;
+namespace mozilla {
+
+namespace dom {
+class ShadowRoot;
+class TextRecognitionResultOrError;
+class TextRecognitionResult;
+}  // namespace dom
+
+namespace gfx {
+class SourceSurface;
+class DataSourceSurface;
+}  // namespace gfx
+
+namespace widget {
+
+class TextRecognition final {
+ public:
+  using NativePromise = MozPromise<dom::TextRecognitionResult, nsCString,
+                                   /* IsExclusive = */ true>;
+
+  TextRecognition() = default;
+
+  static void FillShadow(dom::ShadowRoot&, const dom::TextRecognitionResult&);
+
+  static RefPtr<NativePromise> FindText(imgIContainer&,
+                                        const nsTArray<nsCString>&);
+  static RefPtr<NativePromise> FindText(gfx::DataSourceSurface&,
+                                        const nsTArray<nsCString>&);
+  static bool IsSupported();
+
+ protected:
+  // This should be implemented in the OS specific file.
+  static RefPtr<NativePromise> DoFindText(gfx::DataSourceSurface&,
+                                          const nsTArray<nsCString>&);
+
+  ~TextRecognition() = default;
+};
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif