| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2014 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 ScriptState_h | |
| 32 #define ScriptState_h | |
| 33 | |
| 34 #include "bindings/common/AbstractScriptValue.h" | |
| 35 #include "platform/heap/Handle.h" | |
| 36 #include "wtf/Assertions.h" | |
| 37 #include "wtf/Noncopyable.h" | |
| 38 #include "wtf/RefCounted.h" | |
| 39 | |
| 40 namespace blink { | |
| 41 | |
| 42 class AbstractScriptPromiseResolver; | |
| 43 class AbstractScriptStateProtectingContext; | |
| 44 class DOMException; | |
| 45 class DOMWrapperWorld; | |
| 46 class ExecutionContext; | |
| 47 class IDBAny; | |
| 48 class IDBKey; | |
| 49 class LocalDOMWindow; | |
| 50 class LocalFrame; | |
| 51 class SharedBuffer; | |
| 52 class ScriptPromiseResolver; | |
| 53 class V8ScriptState; | |
| 54 class WebBlobInfo; | |
| 55 | |
| 56 class ScriptState : public RefCounted<ScriptState> { | |
| 57 WTF_MAKE_NONCOPYABLE(ScriptState); | |
| 58 public: | |
| 59 virtual ~ScriptState() { } | |
| 60 | |
| 61 virtual bool isV8ScriptState() const { return false; } | |
| 62 virtual bool isDartScriptState() const { return false; } | |
| 63 virtual V8ScriptState* v8ScriptState() = 0; | |
| 64 | |
| 65 virtual ExecutionContext* executionContext() const = 0; | |
| 66 virtual LocalDOMWindow* domWindow() const = 0; | |
| 67 virtual LocalDOMWindow* callingDOMWindow() const = 0; | |
| 68 | |
| 69 virtual PassRefPtr<AbstractScriptValue> createNull() = 0; | |
| 70 virtual PassRefPtr<AbstractScriptValue> createUndefined() = 0; | |
| 71 virtual PassRefPtr<AbstractScriptValue> createBoolean(bool value) = 0; | |
| 72 virtual PassRefPtr<AbstractScriptPromise> createEmptyPromise() = 0; | |
| 73 virtual PassRefPtr<AbstractScriptPromise> createRejectedPromise(PassRefPtrWi
llBeRawPtr<DOMException>) = 0; | |
| 74 virtual PassRefPtr<AbstractScriptPromise> createPromiseRejectedWithTypeError
(const String& message) = 0; | |
| 75 | |
| 76 virtual PassOwnPtr<AbstractScriptPromiseResolver> createPromiseResolver(Scri
ptPromiseResolver*) = 0; | |
| 77 virtual AbstractScriptStateProtectingContext* createProtectingContext() = 0; | |
| 78 virtual PassRefPtr<AbstractScriptValue> idbAnyToScriptValue(IDBAny*) = 0; | |
| 79 virtual PassRefPtr<AbstractScriptValue> idbKeyToScriptValue(IDBKey*) = 0; | |
| 80 | |
| 81 virtual const String* name() = 0; | |
| 82 virtual intptr_t libraryId() = 0; | |
| 83 virtual bool isJavaScript() = 0; | |
| 84 | |
| 85 #ifndef NDEBUG | |
| 86 virtual void assertPrimaryKeyValidOrInjectable(PassRefPtr<SharedBuffer>, con
st Vector<blink::WebBlobInfo>*, IDBKey*, const IDBKeyPath&) = 0; | |
| 87 #endif | |
| 88 | |
| 89 protected: | |
| 90 ScriptState() { } | |
| 91 }; | |
| 92 | |
| 93 class AbstractScriptStateProtectingContext { | |
| 94 public: | |
| 95 virtual ~AbstractScriptStateProtectingContext() { } | |
| 96 virtual ScriptState* get() const = 0; | |
| 97 virtual void clear() = 0; | |
| 98 protected: | |
| 99 AbstractScriptStateProtectingContext() { } | |
| 100 }; | |
| 101 | |
| 102 // ScriptStateProtectingContext keeps the context (V8) or isolate (Dart) associa
ted with the ScriptState alive. | |
| 103 // You need to call clear() once you no longer need the context. Otherwise, the
context will leak. | |
| 104 class ScriptStateProtectingContext { | |
| 105 WTF_MAKE_NONCOPYABLE(ScriptStateProtectingContext); | |
| 106 public: | |
| 107 ScriptStateProtectingContext(ScriptState* scriptState) | |
| 108 : m_implProtectingContext(scriptState ? scriptState->createProtectingCon
text() : 0) { } | |
| 109 | |
| 110 ~ScriptStateProtectingContext() | |
| 111 { | |
| 112 clear(); | |
| 113 } | |
| 114 | |
| 115 ScriptState* operator->() const | |
| 116 { | |
| 117 return m_implProtectingContext ? m_implProtectingContext->get() : 0; | |
| 118 } | |
| 119 ScriptState* get() const | |
| 120 { | |
| 121 return m_implProtectingContext ? m_implProtectingContext->get() : 0; | |
| 122 } | |
| 123 void clear() | |
| 124 { | |
| 125 if (m_implProtectingContext) { | |
| 126 m_implProtectingContext->clear(); | |
| 127 delete m_implProtectingContext; | |
| 128 m_implProtectingContext = 0; | |
| 129 } | |
| 130 } | |
| 131 private: | |
| 132 AbstractScriptStateProtectingContext* m_implProtectingContext; | |
| 133 }; | |
| 134 | |
| 135 } // namespace blink | |
| 136 | |
| 137 #endif // ScriptState_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
