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| 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 LinkResource_h | |
| 32 #define LinkResource_h | |
| 33 | |
| 34 #include "core/fetch/FetchRequest.h" | |
| 35 #include "platform/heap/Handle.h" | |
| 36 #include "platform/weborigin/KURL.h" | |
| 37 #include "wtf/text/WTFString.h" | |
| 38 | |
| 39 namespace blink { | |
| 40 | |
| 41 class HTMLLinkElement; | |
| 42 | |
| 43 class LinkResource : public DummyBase<LinkResource> { | |
| 44 WTF_MAKE_NONCOPYABLE(LinkResource); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; | |
| 45 public: | |
| 46 enum Type { | |
| 47 Style, | |
| 48 Import, | |
| 49 Manifest | |
| 50 }; | |
| 51 | |
| 52 explicit LinkResource(HTMLLinkElement*); | |
| 53 virtual ~LinkResource(); | |
| 54 | |
| 55 bool shouldLoadResource() const; | |
| 56 LocalFrame* loadingFrame() const; | |
| 57 | |
| 58 virtual Type type() const = 0; | |
| 59 virtual void process() = 0; | |
| 60 virtual void ownerRemoved() { } | |
| 61 virtual void ownerInserted() { } | |
| 62 virtual bool hasLoaded() const = 0; | |
| 63 | |
| 64 virtual void trace(Visitor*); | |
| 65 | |
| 66 protected: | |
| 67 RawPtr<HTMLLinkElement> m_owner; | |
| 68 }; | |
| 69 | |
| 70 class LinkRequestBuilder { | |
| 71 STACK_ALLOCATED(); | |
| 72 public: | |
| 73 explicit LinkRequestBuilder(HTMLLinkElement* owner); | |
| 74 | |
| 75 bool isValid() const { return !m_url.isEmpty() && m_url.isValid(); } | |
| 76 const KURL& url() const { return m_url; } | |
| 77 const AtomicString& charset() const { return m_charset; } | |
| 78 FetchRequest build(bool blocking) const; | |
| 79 | |
| 80 private: | |
| 81 RawPtr<HTMLLinkElement> m_owner; | |
| 82 KURL m_url; | |
| 83 AtomicString m_charset; | |
| 84 }; | |
| 85 | |
| 86 } // namespace blink | |
| 87 | |
| 88 #endif // LinkResource_h | |
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