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1 /*
2  * Copyright 2018 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 SkDeferredDisplayListPriv_DEFINED
9 #define SkDeferredDisplayListPriv_DEFINED
10 
11 #include "SkDeferredDisplayList.h"
12 
13 /** Class that adds methods to SkDeferredDisplayList that are only intended for use internal to Skia.
14     This class is purely a privileged window into SkDeferredDisplayList. It should never have
15     additional data members or virtual methods. */
16 class SkDeferredDisplayListPriv {
17 public:
numOpLists()18     int numOpLists() const {
19 #if SK_SUPPORT_GPU
20         return fDDL->fOpLists.count();
21 #else
22         return 0;
23 #endif
24     }
25 
lazyProxyData()26     const SkDeferredDisplayList::LazyProxyData* lazyProxyData() const {
27 #if SK_SUPPORT_GPU
28         return fDDL->fLazyProxyData.get();
29 #else
30         return nullptr;
31 #endif
32     }
33 
34 private:
SkDeferredDisplayListPriv(SkDeferredDisplayList * ddl)35     explicit SkDeferredDisplayListPriv(SkDeferredDisplayList* ddl) : fDDL(ddl) {}
36     SkDeferredDisplayListPriv(const SkDeferredDisplayListPriv&);            // unimpl
37     SkDeferredDisplayListPriv& operator=(const SkDeferredDisplayListPriv&); // unimpl
38 
39     // No taking addresses of this type.
40     const SkDeferredDisplayListPriv* operator&() const;
41     SkDeferredDisplayListPriv* operator&();
42 
43     SkDeferredDisplayList* fDDL;
44 
45     friend class SkDeferredDisplayList; // to construct/copy this type.
46 };
47 
priv()48 inline SkDeferredDisplayListPriv SkDeferredDisplayList::priv() {
49     return SkDeferredDisplayListPriv(this);
50 }
51 
priv()52 inline const SkDeferredDisplayListPriv SkDeferredDisplayList::priv () const {
53     return SkDeferredDisplayListPriv(const_cast<SkDeferredDisplayList*>(this));
54 }
55 
56 #endif
57