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| 1 // Copyright 2011, Google Inc. | |
| 2 // 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 #ifndef DartApplicationLoader_h | |
| 31 #define DartApplicationLoader_h | |
| 32 | |
| 33 #include "ScriptSourceCode.h" | |
| 34 | |
| 35 #include <dart_api.h> | |
| 36 #include <wtf/HashMap.h> | |
| 37 #include <wtf/HashSet.h> | |
| 38 #include <wtf/text/StringHash.h> | |
| 39 | |
| 40 namespace WebCore { | |
| 41 | |
| 42 class Document; | |
| 43 class KURL; | |
| 44 class ScriptSourceCode; | |
| 45 | |
| 46 // FIXME: move into a file on its own when source reinjection is implemented. | |
| 47 class DartApplicationLoader : public ThreadSafeRefCounted<DartApplicationLoader>
{ | |
| 48 public: | |
| 49 DartApplicationLoader(Document*); | |
| 50 void loadScriptResource(const String& url); | |
| 51 void load(const String& url, const String& source); | |
| 52 void triggerImport(const String& libraryUrl, const String& importedUrl, Dart
_LibraryTag); | |
| 53 Dart_Handle reinject(Dart_Handle library, const String& libraryUrl, const St
ring& importedUrl, Dart_LibraryTag); | |
| 54 void reinjectSources(); | |
| 55 bool isLoadingMainIsolate() const { return m_libraryUrl.isNull(); } | |
| 56 const String& mainLibraryURL() const { return m_libraryUrl; } | |
| 57 | |
| 58 private: | |
| 59 | |
| 60 void importBuiltinLibrary(const String& url, const String& source); | |
| 61 void reinjectLibrary(const ScriptSourceCode&); | |
| 62 void scriptLoadError(const KURL&); | |
| 63 | |
| 64 static Dart_Handle reinjectTagHandler(Dart_LibraryTag, Dart_Handle, Dart_Han
dle); | |
| 65 | |
| 66 // Client must ensure that DartApplicationLoader doesn't outlive correspondi
ng document. | |
| 67 Document* m_document; | |
| 68 String m_libraryUrl; | |
| 69 | |
| 70 void loadScript(const String& url, const String& source); | |
| 71 void loadLibrary(const String& url, const String& source); | |
| 72 void loadSource(const String& url, const String& source); | |
| 73 void callEntryPoint(); | |
| 74 | |
| 75 Dart_Handle topLevelLibrary(); | |
| 76 Dart_Handle domLibrary(); | |
| 77 | |
| 78 typedef HashSet<String> UrlSet; | |
| 79 typedef HashMap<String, UrlSet*> UrlMultiMap; | |
| 80 | |
| 81 void add(UrlMultiMap&, const String& key, const String& value); | |
| 82 | |
| 83 UrlSet m_importedLibraries; | |
| 84 UrlMultiMap m_importersForSource; | |
| 85 | |
| 86 // Sources of resources loaded from the URL. | |
| 87 // We save them verbatim to be able to reinject them later. | |
| 88 HashMap<String, String> m_sources; | |
| 89 | |
| 90 bool m_mainScriptHasBeenLoaded; | |
| 91 | |
| 92 friend class ScriptLoadCallback; | |
| 93 }; | |
| 94 | |
| 95 // FIXME: consolidate when we have multiple isolates. | |
| 96 // FIXME: merge with DartUtilities' per isolate data. | |
| 97 typedef HashMap<Dart_Isolate, DartApplicationLoader*> IsolateToDartApplicationLo
aderMap; | |
| 98 | |
| 99 IsolateToDartApplicationLoaderMap& isolateToDartApplicationLoaderMap(); | |
| 100 } | |
| 101 | |
| 102 #endif // DartApplicationLoader_h | |
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