| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| #ifndef FLUTTER_FLOW_EMBEDDED_VIEWS_H_ |
| #define FLUTTER_FLOW_EMBEDDED_VIEWS_H_ |
| |
| #include <vector> |
| |
| #include "flutter/fml/memory/ref_counted.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "third_party/skia/include/core/SkPoint.h" |
| #include "third_party/skia/include/core/SkSize.h" |
| |
| namespace flow { |
| |
| class EmbeddedViewParams { |
| public: |
| SkPoint offsetPixels; |
| SkSize sizePoints; |
| }; |
| |
| // This is only used on iOS when running in a non headless mode, |
| // in this case ViewEmbedded is a reference to the |
| // FlutterPlatformViewsController which is owned by FlutterViewController. |
| class ExternalViewEmbedder { |
| public: |
| ExternalViewEmbedder() = default; |
| |
| virtual void BeginFrame(SkISize frame_size) = 0; |
| |
| virtual void PrerollCompositeEmbeddedView(int view_id) = 0; |
| |
| virtual std::vector<SkCanvas*> GetCurrentCanvases() = 0; |
| |
| // Must be called on the UI thread. |
| virtual SkCanvas* CompositeEmbeddedView(int view_id, |
| const EmbeddedViewParams& params) = 0; |
| |
| virtual bool SubmitFrame(GrContext* context); |
| |
| virtual ~ExternalViewEmbedder() = default; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(ExternalViewEmbedder); |
| }; |
| |
| } // namespace flow |
| |
| #endif // FLUTTER_FLOW_EMBEDDED_VIEWS_H_ |