third_party/WebKit/Source/core/fetch/ScriptResource.h

   1 /*
   2     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
   3     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
   4     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
   5     Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21
  22     This class provides all functionality needed for loading images, style sheets and html
  23     pages from the web. It has a memory cache for these objects.
  24 */
  25
  26 #ifndef ScriptResource_h
  27 #define ScriptResource_h
  28
  29 #include "core/CoreExport.h"
  30 #include "core/fetch/ResourceClient.h"
  31 #include "core/fetch/TextResource.h"
  32
  33 namespace blink {
  34
  35 class FetchRequest;
  36 class ScriptResource;
  37
  38 class CORE_EXPORT ScriptResourceClient : public ResourceClient {
  39 public:
  40     ~ScriptResourceClient() override {}
  41     static ResourceClientType expectedType() { return ScriptType; }
  42     ResourceClientType resourceClientType() const final { return expectedType(); }
  43
  44     virtual void notifyAppendData(ScriptResource* resource) { }
  45 };
  46
  47 class CORE_EXPORT ScriptResource final : public TextResource {
  48 public:
  49     typedef ScriptResourceClient ClientType;
  50     static ResourcePtr<ScriptResource> fetch(FetchRequest&, ResourceFetcher*);
  51
  52     // Public for testing
  53     ScriptResource(const ResourceRequest&, const String& charset);
  54
  55     ~ScriptResource() override;
  56
  57     void didAddClient(ResourceClient*) override;
  58     void appendData(const char*, unsigned) override;
  59
  60     const String& script();
  61
  62     AtomicString mimeType() const;
  63
  64     bool mimeTypeAllowedByNosniff() const;
  65
  66 private:
  67     class ScriptResourceFactory : public ResourceFactory {
  68     public:
  69         ScriptResourceFactory()
  70             : ResourceFactory(Resource::Script) { }
  71
  72         Resource* create(const ResourceRequest& request, const String& charset) const override
  73         {
  74             return new ScriptResource(request, charset);
  75         }
  76     };
  77
  78     AtomicString m_script;
  79 };
  80
  81 DEFINE_RESOURCE_TYPE_CASTS(Script);
  82
  83 }
  84
  85 #endif