1 // Copyright 2018 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_SVG_RESOURCE_H_
6 #define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_SVG_RESOURCE_H_
7 
8 #include "base/macros.h"
9 #include "base/memory/scoped_refptr.h"
10 #include "third_party/blink/renderer/core/svg/svg_resource.h"
11 #include "third_party/blink/renderer/platform/heap/persistent.h"
12 #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
13 #include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
14 
15 namespace blink {
16 
17 class StyleSVGResource : public RefCounted<StyleSVGResource> {
18   USING_FAST_MALLOC(StyleSVGResource);
19 
20  public:
Create(SVGResource * resource,const AtomicString & url)21   static scoped_refptr<StyleSVGResource> Create(SVGResource* resource,
22                                                 const AtomicString& url) {
23     return base::AdoptRef(new StyleSVGResource(resource, url));
24   }
25 
26   bool operator==(const StyleSVGResource& other) const {
27     return resource_.Get() == other.resource_.Get();
28   }
29 
AddClient(SVGResourceClient & client)30   void AddClient(SVGResourceClient& client) {
31     if (resource_)
32       resource_->AddClient(client);
33   }
RemoveClient(SVGResourceClient & client)34   void RemoveClient(SVGResourceClient& client) {
35     if (resource_)
36       resource_->RemoveClient(client);
37   }
38 
Resource()39   SVGResource* Resource() const { return resource_; }
Url()40   const AtomicString& Url() const { return url_; }
41 
42  private:
StyleSVGResource(SVGResource * resource,const AtomicString & url)43   StyleSVGResource(SVGResource* resource, const AtomicString& url)
44       : resource_(resource), url_(url) {}
45 
46   Persistent<SVGResource> resource_;
47   const AtomicString url_;
48 
49   DISALLOW_COPY_AND_ASSIGN(StyleSVGResource);
50 };
51 
52 }  // namespace blink
53 
54 #endif  // THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_SVG_RESOURCE_H_
55