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

   1 /*
   2  * Copyright (C) 2013 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef ResourceLoaderSet_h
  32 #define ResourceLoaderSet_h
  33
  34 #include "core/fetch/ResourceLoader.h"
  35 #include "wtf/HashSet.h"
  36
  37 namespace blink {
  38
  39 class ResourceLoaderSet final : public GarbageCollected<ResourceLoaderSet> {
  40 public:
  41     typedef HeapHashSet<Member<ResourceLoader>> SetType;
  42
  43     static ResourceLoaderSet* create();
  44     DECLARE_TRACE();
  45
  46     void add(ResourceLoader* loader) { m_set.add(loader); }
  47     void remove(ResourceLoader* loader) { m_set.remove(loader); }
  48     bool isEmpty() const { return m_set.isEmpty(); }
  49     bool contains(ResourceLoader* loader) const { return m_set.contains(loader); }
  50     void cancelAll();
  51     void setAllDefersLoading(bool);
  52     int size() const { return m_set.size(); }
  53
  54 private:
  55     SetType m_set;
  56 };
  57
  58 }
  59
  60 #endif