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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_PAINT_PAINT_WORKLET_LAYER_PAINTER_H_
#define CC_PAINT_PAINT_WORKLET_LAYER_PAINTER_H_
#include "base/functional/callback.h"
#include "cc/paint/paint_export.h"
#include "cc/paint/paint_record.h"
#include "cc/paint/paint_worklet_job.h"
namespace cc {
// PaintWorkletLayerPainter bridges between the compositor and the PaintWorklet
// thread, providing hooks for the compositor to paint PaintWorklet content that
// Blink has deferred on.
class CC_PAINT_EXPORT PaintWorkletLayerPainter {
public:
virtual ~PaintWorkletLayerPainter() {}
// Asynchronously paints a set of PaintWorklet instances. The results are
// returned via the provided callback, on the same thread that originally
// called this method.
//
// Only one dispatch is allowed at a time; the calling code should not call
// |DispatchWorklets| again until the passed |DoneCallback| has been called.
using DoneCallback = base::OnceCallback<void(PaintWorkletJobMap)>;
virtual void DispatchWorklets(PaintWorkletJobMap, DoneCallback) = 0;
// Returns whether or not a dispatched set of PaintWorklet instances is
// currently being painted.
virtual bool HasOngoingDispatch() const = 0;
};
} // namespace cc
#endif // CC_PAINT_PAINT_WORKLET_LAYER_PAINTER_H_