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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_COMMON_SURFACES_REGION_CAPTURE_BOUNDS_H_
#define COMPONENTS_VIZ_COMMON_SURFACES_REGION_CAPTURE_BOUNDS_H_
#include <cstdint>
#include <string>
#include "base/containers/flat_map.h"
#include "base/token.h"
#include "components/viz/common/viz_common_export.h"
#include "ui/gfx/geometry/rect.h"
namespace viz {
using RegionCaptureCropId = base::Token;
// RegionCaptureBounds maps precisely to the same-named mojom class, and is
// used for passing in region capture crop ids mapped to a gfx::Rect
// representing the region of the viewport that should be cropped to for
// tab capture.
// See the design document at: https://tinyurl.com/region-capture.
class VIZ_COMMON_EXPORT RegionCaptureBounds {
public:
RegionCaptureBounds();
explicit RegionCaptureBounds(
base::flat_map<RegionCaptureCropId, gfx::Rect> bounds);
RegionCaptureBounds(RegionCaptureBounds&&);
RegionCaptureBounds(const RegionCaptureBounds&);
RegionCaptureBounds& operator=(RegionCaptureBounds&&);
RegionCaptureBounds& operator=(const RegionCaptureBounds&);
~RegionCaptureBounds();
// Returns a reference to a global empty RegionCaptureBounds. This should only
// be used for functions that need to return a reference to a
// RegionCaptureBounds, not instead of the default constructor.
static const RegionCaptureBounds& Empty();
// We currently only support a single set of bounds for a given crop id.
// Multiple calls with the same crop id will update the bounds.
void Set(const RegionCaptureCropId& crop_id, const gfx::Rect& bounds);
bool IsEmpty() const { return bounds_.empty(); }
// Sets the bounds to empty.
void Reset();
const base::flat_map<RegionCaptureCropId, gfx::Rect>& bounds() const {
return bounds_;
}
friend bool operator==(const RegionCaptureBounds&,
const RegionCaptureBounds&) = default;
std::string ToString() const;
private:
base::flat_map<RegionCaptureCropId, gfx::Rect> bounds_;
};
} // namespace viz
#endif // COMPONENTS_VIZ_COMMON_SURFACES_REGION_CAPTURE_BOUNDS_H_
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