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      1 /*
      2  * Copyright (C) 2009 Apple Inc. All rights reserved.
      3  * Copyright 2014 The Chromium Authors. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef InjectedStyleSheets_h
     28 #define InjectedStyleSheets_h
     29 
     30 #include "wtf/Vector.h"
     31 #include "wtf/text/WTFString.h"
     32 
     33 namespace WebCore {
     34 
     35 enum StyleInjectionTarget { InjectStyleInAllFrames, InjectStyleInTopFrameOnly };
     36 
     37 class InjectedStyleSheetEntry {
     38     WTF_MAKE_FAST_ALLOCATED;
     39 public:
     40     InjectedStyleSheetEntry(const String& source, const Vector<String>& whitelist, StyleInjectionTarget injectedFrames)
     41         : m_source(source)
     42         , m_whitelist(whitelist)
     43         , m_injectedFrames(injectedFrames)
     44     {
     45     }
     46 
     47     const String& source() const { return m_source; }
     48     const Vector<String>& whitelist() const { return m_whitelist; }
     49     StyleInjectionTarget injectedFrames() const { return m_injectedFrames; }
     50 
     51 private:
     52     String m_source;
     53     Vector<String> m_whitelist;
     54     StyleInjectionTarget m_injectedFrames;
     55 };
     56 
     57 typedef Vector<OwnPtr<InjectedStyleSheetEntry> > InjectedStyleSheetEntryVector;
     58 
     59 class InjectedStyleSheets {
     60 public:
     61     static InjectedStyleSheets& instance();
     62 
     63     void add(const String& source, const Vector<String>& whitelist, StyleInjectionTarget);
     64     void removeAll();
     65 
     66     const InjectedStyleSheetEntryVector& entries() const { return m_entries; }
     67 
     68 private:
     69     InjectedStyleSheets() { }
     70     void invalidateInjectedStyleSheetCacheInAllFrames();
     71 
     72     InjectedStyleSheetEntryVector m_entries;
     73 };
     74 
     75 } // namespace WebCore
     76 
     77 #endif // InjectedStyleSheets_h
     78