DerivedSources/WebCore/JSMediaDevices.cpp

/*
    This file is part of the WebKit open source project.
    This file has been generated by generate-bindings.pl. DO NOT MODIFY!

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include "config.h"

#if ENABLE(MEDIA_STREAM)

#include "JSMediaDevices.h"

#include "ExceptionCode.h"
#include "JSDOMBinding.h"
#include "JSDOMPromise.h"
#include "JSMediaTrackSupportedConstraints.h"
#include "MediaTrackSupportedConstraints.h"
#include "WebCoreJSClientData.h"
#include <runtime/Error.h>
#include <wtf/GetPtr.h>

using namespace JSC;

namespace WebCore {

// Functions

JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetSupportedConstraints(JSC::ExecState*);
JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetUserMedia(JSC::ExecState*);
JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionEnumerateDevices(JSC::ExecState*);

class JSMediaDevicesPrototype : public JSC::JSNonFinalObject {
public:
    typedef JSC::JSNonFinalObject Base;
    static JSMediaDevicesPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
    {
        JSMediaDevicesPrototype* ptr = new (NotNull, JSC::allocateCell<JSMediaDevicesPrototype>(vm.heap)) JSMediaDevicesPrototype(vm, globalObject, structure);
        ptr->finishCreation(vm);
        return ptr;
    }

    DECLARE_INFO;
    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
    {
        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
    }

private:
    JSMediaDevicesPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
        : JSC::JSNonFinalObject(vm, structure)
    {
    }

    void finishCreation(JSC::VM&);
};

/* Hash table for prototype */

static const HashTableValue JSMediaDevicesPrototypeTableValues[] =
{
    { "getSupportedConstraints", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsMediaDevicesPrototypeFunctionGetSupportedConstraints), (intptr_t) (0) } },
    { "getUserMedia", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsMediaDevicesPrototypeFunctionGetUserMedia), (intptr_t) (1) } },
    { "enumerateDevices", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsMediaDevicesPrototypeFunctionEnumerateDevices), (intptr_t) (0) } },
};

const ClassInfo JSMediaDevicesPrototype::s_info = { "MediaDevicesPrototype", &Base::s_info, 0, CREATE_METHOD_TABLE(JSMediaDevicesPrototype) };

void JSMediaDevicesPrototype::finishCreation(VM& vm)
{
    Base::finishCreation(vm);
    reifyStaticProperties(vm, JSMediaDevicesPrototypeTableValues, *this);
    JSVMClientData& clientData = *static_cast<JSVMClientData*>(vm.clientData);
    putDirect(vm, clientData.builtinNames().getUserMediaPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsMediaDevicesPrototypeFunctionGetUserMedia), ReadOnly | DontEnum);
}

const ClassInfo JSMediaDevices::s_info = { "MediaDevices", &Base::s_info, 0, CREATE_METHOD_TABLE(JSMediaDevices) };

JSMediaDevices::JSMediaDevices(Structure* structure, JSDOMGlobalObject& globalObject, Ref<MediaDevices>&& impl)
    : JSDOMWrapper<MediaDevices>(structure, globalObject, WTFMove(impl))
{
}

JSObject* JSMediaDevices::createPrototype(VM& vm, JSGlobalObject* globalObject)
{
    return JSMediaDevicesPrototype::create(vm, globalObject, JSMediaDevicesPrototype::createStructure(vm, globalObject, globalObject->objectPrototype()));
}

JSObject* JSMediaDevices::prototype(VM& vm, JSGlobalObject* globalObject)
{
    return getDOMPrototype<JSMediaDevices>(vm, globalObject);
}

void JSMediaDevices::destroy(JSC::JSCell* cell)
{
    JSMediaDevices* thisObject = static_cast<JSMediaDevices*>(cell);
    thisObject->JSMediaDevices::~JSMediaDevices();
}

EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetSupportedConstraints(ExecState* state)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    JSValue thisValue = state->thisValue();
    auto castedThis = jsDynamicCast<JSMediaDevices*>(thisValue);
    if (UNLIKELY(!castedThis))
        return throwThisTypeError(*state, throwScope, "MediaDevices", "getSupportedConstraints");
    ASSERT_GC_OBJECT_INHERITS(castedThis, JSMediaDevices::info());
    auto& impl = castedThis->wrapped();
    JSValue result = toJS(state, castedThis->globalObject(), impl.getSupportedConstraints());
    return JSValue::encode(result);
}

EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetUserMedia(ExecState* state)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    JSValue thisValue = state->thisValue();
    auto castedThis = jsDynamicCast<JSMediaDevices*>(thisValue);
    if (UNLIKELY(!castedThis))
        return createRejectedPromiseWithTypeError(*state, makeThisTypeErrorMessage("MediaDevices", "getUserMedia"));
    ASSERT_GC_OBJECT_INHERITS(castedThis, JSMediaDevices::info());
    return JSValue::encode(castedThis->getUserMedia(*state));
}

static EncodedJSValue jsMediaDevicesPrototypeFunctionEnumerateDevicesPromise(ExecState*, Ref<DeferredPromise>&&);

EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionEnumerateDevices(ExecState* state)
{
    ASSERT(state);
    return JSValue::encode(callPromiseFunction<jsMediaDevicesPrototypeFunctionEnumerateDevicesPromise, PromiseExecutionScope::WindowOnly>(*state));
}

static inline EncodedJSValue jsMediaDevicesPrototypeFunctionEnumerateDevicesPromise(ExecState* state, Ref<DeferredPromise>&& promise)
{
    VM& vm = state->vm();
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    JSValue thisValue = state->thisValue();
    auto castedThis = jsDynamicCast<JSMediaDevices*>(thisValue);
    if (UNLIKELY(!castedThis))
        return throwThisTypeError(*state, throwScope, "MediaDevices", "enumerateDevices");
    ASSERT_GC_OBJECT_INHERITS(castedThis, JSMediaDevices::info());
    auto& impl = castedThis->wrapped();
    ExceptionCode ec = 0;
    impl.enumerateDevices(WTFMove(promise), ec);
    setDOMException(state, throwScope, ec);
    return JSValue::encode(jsUndefined());
}

bool JSMediaDevicesOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
{
    UNUSED_PARAM(handle);
    UNUSED_PARAM(visitor);
    return false;
}

void JSMediaDevicesOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
    auto* jsMediaDevices = jsCast<JSMediaDevices*>(handle.slot()->asCell());
    auto& world = *static_cast<DOMWrapperWorld*>(context);
    uncacheWrapper(world, &jsMediaDevices->wrapped(), jsMediaDevices);
}

#if ENABLE(BINDING_INTEGRITY)
#if PLATFORM(WIN)
#pragma warning(disable: 4483)
extern "C" { extern void (*const __identifier("??_7MediaDevices@WebCore@@6B@")[])(); }
#else
extern "C" { extern void* _ZTVN7WebCore12MediaDevicesE[]; }
#endif
#endif

JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<MediaDevices>&& impl)
{

#if ENABLE(BINDING_INTEGRITY)
    void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr()));
#if PLATFORM(WIN)
    void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7MediaDevices@WebCore@@6B@"));
#else
    void* expectedVTablePointer = &_ZTVN7WebCore12MediaDevicesE[2];
#if COMPILER(CLANG)
    // If this fails MediaDevices does not have a vtable, so you need to add the
    // ImplementationLacksVTable attribute to the interface definition
    static_assert(__is_polymorphic(MediaDevices), "MediaDevices is not polymorphic");
#endif
#endif
    // If you hit this assertion you either have a use after free bug, or
    // MediaDevices has subclasses. If MediaDevices has subclasses that get passed
    // to toJS() we currently require MediaDevices you to opt out of binding hardening
    // by adding the SkipVTableValidation attribute to the interface IDL definition
    RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
#endif
    return createWrapper<MediaDevices>(globalObject, WTFMove(impl));
}

JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, MediaDevices& impl)
{
    return wrap(state, globalObject, impl);
}

MediaDevices* JSMediaDevices::toWrapped(JSC::JSValue value)
{
    if (auto* wrapper = jsDynamicCast<JSMediaDevices*>(value))
        return &wrapper->wrapped();
    return nullptr;
}

}

#endif // ENABLE(MEDIA_STREAM)