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-rw-r--r--widget/TextRecognition.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/widget/TextRecognition.h b/widget/TextRecognition.h
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+++ b/widget/TextRecognition.h
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+/* 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