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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 DartController_h | |
| 31 #define DartController_h | |
| 32 | |
| 33 #include "bindings/core/v8/ScriptSourceCode.h" | |
| 34 #include "wtf/Deque.h" | |
| 35 #include "wtf/HashMap.h" | |
| 36 #include "wtf/Vector.h" | |
| 37 #include "wtf/text/WTFString.h" | |
| 38 | |
| 39 #include <dart_api.h> | |
| 40 #include <v8.h> | |
| 41 | |
| 42 struct NPObject; | |
| 43 | |
| 44 namespace blink { | |
| 45 | |
| 46 class DartApplicationLoader; | |
| 47 class DartDOMData; | |
| 48 class DartScriptInfo; | |
| 49 class DartScriptState; | |
| 50 class Document; | |
| 51 class ExecutionContext; | |
| 52 class LocalDOMWindow; | |
| 53 class LocalFrame; | |
| 54 class ScriptLoader; | |
| 55 class ScriptState; | |
| 56 class V8ScriptState; | |
| 57 | |
| 58 typedef HashMap<intptr_t, RefPtr<DartScriptState> > LibraryIdMap; | |
| 59 typedef HashMap<Dart_Isolate, LibraryIdMap*> ScriptStatesMap; | |
| 60 | |
| 61 // This class provides the linkage between a LocalFrame and its attached | |
| 62 // Dart isolates. It is similar to ScriptController for JavaScript. | |
| 63 // The DartController is owned by its LocalFrame. | |
| 64 class DartController { | |
| 65 public: | |
| 66 DartController(LocalFrame*); | |
| 67 virtual ~DartController(); | |
| 68 | |
| 69 void evaluate(const ScriptSourceCode&, ScriptLoader* = 0); | |
| 70 | |
| 71 // Exposes NPObject instance to Dart environment. | |
| 72 void bindToWindowObject(LocalFrame*, const String& key, NPObject*); | |
| 73 NPObject* npObject(const String& key); | |
| 74 | |
| 75 void clearWindowShell(); | |
| 76 void clearScriptObjects(); | |
| 77 | |
| 78 Dart_Handle callFunction(Dart_Handle function, int argc, Dart_Handle* argv); | |
| 79 | |
| 80 LocalFrame* frame() const { return m_frame; } | |
| 81 void collectScriptStates(V8ScriptState*, Vector<DartScriptState*>& result); | |
| 82 void collectScriptStatesForIsolate(Dart_Isolate, v8::Handle<v8::Context> v8C
ontext, Vector<DartScriptState*>& result); | |
| 83 DartScriptState* lookupScriptState(Dart_Isolate, v8::Handle<v8::Context> v8C
ontext, intptr_t libraryId); | |
| 84 | |
| 85 static DartController* retrieve(LocalFrame*); | |
| 86 static DartController* retrieve(ExecutionContext*); | |
| 87 | |
| 88 bool isActive() { return !m_isolates.isEmpty(); } | |
| 89 | |
| 90 void spawnDomUri(const String& uri); | |
| 91 | |
| 92 private: | |
| 93 static void initVMIfNeeded(); | |
| 94 | |
| 95 static Dart_Isolate createIsolate(const char* scriptURL, const char* entryPo
int, Document*, bool isDOMEnabled, bool isDebuggerEnabled, char** errorMessage); | |
| 96 void shutdownIsolate(Dart_Isolate); | |
| 97 | |
| 98 Dart_Isolate createDOMEnabledIsolate(const String& scriptURL, const String&
entryPoint, Document*); | |
| 99 void scheduleScriptExecution(const String&, Dart_Isolate, PassRefPtr<DartScr
iptInfo>); | |
| 100 void loadAndRunScript(const String&, Dart_Isolate, PassRefPtr<DartScriptInfo
>); | |
| 101 static void shutdownIsolateCallback(void* data); | |
| 102 static Dart_Isolate createServiceIsolateCallback(void* callbackData, char**
error); | |
| 103 static Dart_Isolate createPureIsolateCallback(const char* prefix, const char
* main, const char* packageRoot, void* callbackData, char** errorMsg); | |
| 104 | |
| 105 static void weakCallback(void* isolateCallbackData, Dart_WeakPersistentHandl
e, void* peer); | |
| 106 | |
| 107 HashSet<Document*> m_documentsWithDart; | |
| 108 | |
| 109 LibraryIdMap* libraryIdMapForIsolate(Dart_Isolate); | |
| 110 DartScriptState* lookupScriptStateFromLibraryIdMap(Dart_Isolate, v8::Handle<
v8::Context>, LibraryIdMap*, intptr_t libraryId); | |
| 111 | |
| 112 // The frame that owns this controller. | |
| 113 LocalFrame* m_frame; | |
| 114 | |
| 115 // Isolate associated with scripts in this document. | |
| 116 Vector<Dart_Isolate> m_isolates; | |
| 117 RefPtr<DartApplicationLoader> m_loader; | |
| 118 | |
| 119 ScriptStatesMap m_scriptStates; | |
| 120 | |
| 121 typedef HashMap<String, NPObject*> NPObjectMap; | |
| 122 NPObjectMap m_npObjectMap; | |
| 123 | |
| 124 friend class DartDomLoadCallback; | |
| 125 friend class DartScriptRunner; | |
| 126 friend class DartService; | |
| 127 }; | |
| 128 | |
| 129 } | |
| 130 | |
| 131 #endif // DartController_h | |
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