1/*
2 * Copyright 2019 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef GrImageContextPriv_DEFINED
9#define GrImageContextPriv_DEFINED
10
11#include "include/private/GrImageContext.h"
12
13#include "include/gpu/GrContextThreadSafeProxy.h"
14#include "src/gpu/GrBaseContextPriv.h"
15
16/** Class that exposes methods on GrImageContext that are only intended for use internal to Skia.
17    This class is purely a privileged window into GrImageContext. It should never have
18    additional data members or virtual methods. */
19class GrImageContextPriv : public GrBaseContextPriv {
20public:
21    GrImageContext* context() { return static_cast<GrImageContext*>(fContext); }
22    const GrImageContext* context() const { return static_cast<const GrImageContext*>(fContext); }
23
24    bool abandoned() { return this->context()->abandoned(); }
25
26    static sk_sp<GrImageContext> MakeForPromiseImage(sk_sp<GrContextThreadSafeProxy> tsp) {
27        return GrImageContext::MakeForPromiseImage(std::move(tsp));
28    }
29
30    /** This is only useful for debug purposes */
31    SkDEBUGCODE(GrSingleOwner* singleOwner() const { return this->context()->singleOwner(); } )
32
33protected:
34    explicit GrImageContextPriv(GrImageContext* iContext) : GrBaseContextPriv(iContext) {}
35    // Required until C++17 copy elision
36    GrImageContextPriv(const GrImageContextPriv&) = default;
37
38private:
39    GrImageContextPriv& operator=(const GrImageContextPriv&) = delete;
40
41    // No taking addresses of this type.
42    const GrImageContextPriv* operator&() const;
43    GrImageContextPriv* operator&();
44
45    friend class GrImageContext; // to construct/copy this type.
46
47    using INHERITED = GrBaseContextPriv;
48};
49
50inline GrImageContextPriv GrImageContext::priv() { return GrImageContextPriv(this); }
51
52inline const GrImageContextPriv GrImageContext::priv () const {  // NOLINT(readability-const-return-type)
53    return GrImageContextPriv(const_cast<GrImageContext*>(this));
54}
55
56#endif
57