| 1 | /* |
| 2 | * Copyright (C) 2003, 2006, 2008, 2015 Apple Inc. All rights reserved. |
| 3 | * Copyright 2010, The Android Open Source Project |
| 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 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 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 | #include "config.h" |
| 28 | #include "BridgeJSC.h" |
| 29 | |
| 30 | #include "DOMWindow.h" |
| 31 | #include "JSDOMWindowBase.h" |
| 32 | #include "runtime_object.h" |
| 33 | #include "runtime_root.h" |
| 34 | #include <JavaScriptCore/JSCInlines.h> |
| 35 | #include <JavaScriptCore/JSLock.h> |
| 36 | #include <JavaScriptCore/ObjectPrototype.h> |
| 37 | |
| 38 | namespace JSC { |
| 39 | |
| 40 | namespace Bindings { |
| 41 | |
| 42 | Array::Array(RefPtr<RootObject>&& rootObject) |
| 43 | : m_rootObject(WTFMove(rootObject)) |
| 44 | { |
| 45 | ASSERT(m_rootObject); |
| 46 | } |
| 47 | |
| 48 | Array::~Array() = default; |
| 49 | |
| 50 | Instance::Instance(RefPtr<RootObject>&& rootObject) |
| 51 | : m_rootObject(WTFMove(rootObject)) |
| 52 | { |
| 53 | ASSERT(m_rootObject); |
| 54 | } |
| 55 | |
| 56 | Instance::~Instance() |
| 57 | { |
| 58 | ASSERT(!m_runtimeObject); |
| 59 | } |
| 60 | |
| 61 | void Instance::begin() |
| 62 | { |
| 63 | virtualBegin(); |
| 64 | } |
| 65 | |
| 66 | void Instance::end() |
| 67 | { |
| 68 | virtualEnd(); |
| 69 | } |
| 70 | |
| 71 | JSObject* Instance::createRuntimeObject(ExecState* exec) |
| 72 | { |
| 73 | ASSERT(m_rootObject); |
| 74 | ASSERT(m_rootObject->isValid()); |
| 75 | if (RuntimeObject* existingObject = m_runtimeObject.get()) |
| 76 | return existingObject; |
| 77 | |
| 78 | JSLockHolder lock(exec); |
| 79 | RuntimeObject* newObject = newRuntimeObject(exec); |
| 80 | m_runtimeObject = JSC::Weak<RuntimeObject>(newObject); |
| 81 | m_rootObject->addRuntimeObject(exec->vm(), newObject); |
| 82 | return newObject; |
| 83 | } |
| 84 | |
| 85 | RuntimeObject* Instance::newRuntimeObject(ExecState* exec) |
| 86 | { |
| 87 | JSLockHolder lock(exec); |
| 88 | |
| 89 | // FIXME: deprecatedGetDOMStructure uses the prototype off of the wrong global object. |
| 90 | return RuntimeObject::create(exec->vm(), WebCore::deprecatedGetDOMStructure<RuntimeObject>(exec), this); |
| 91 | } |
| 92 | |
| 93 | void Instance::willInvalidateRuntimeObject() |
| 94 | { |
| 95 | m_runtimeObject.clear(); |
| 96 | } |
| 97 | |
| 98 | RootObject* Instance::rootObject() const |
| 99 | { |
| 100 | return m_rootObject && m_rootObject->isValid() ? m_rootObject.get() : 0; |
| 101 | } |
| 102 | |
| 103 | } // namespace Bindings |
| 104 | |
| 105 | } // namespace JSC |
| 106 | |