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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WK_WEB_EXTENSIONS)
#include "WebFrame.h"
#include <JavaScriptCore/JSRetainPtr.h>
#include <JavaScriptCore/JavaScriptCore.h>
#include <wtf/WeakPtr.h>
OBJC_CLASS JSValue;
OBJC_CLASS NSString;
namespace WebKit {
class JSWebExtensionWrappable;
class WebExtensionAPIRuntimeBase;
class WebExtensionCallbackHandler;
class WebPage;
class JSWebExtensionWrapper {
public:
static JSValueRef wrap(JSContextRef, JSWebExtensionWrappable*);
static JSWebExtensionWrappable* unwrap(JSContextRef, JSValueRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
};
class WebExtensionCallbackHandler : public RefCounted<WebExtensionCallbackHandler> {
public:
template<typename... Args>
static Ref<WebExtensionCallbackHandler> create(Args&&... args)
{
return adoptRef(*new WebExtensionCallbackHandler(std::forward<Args>(args)...));
}
~WebExtensionCallbackHandler();
#if PLATFORM(COCOA)
JSGlobalContextRef globalContext() const { return m_globalContext.get(); }
JSValue *callbackFunction() const;
void reportError(NSString *);
id call();
id call(id argument);
id call(id argumentOne, id argumentTwo);
id call(id argumentOne, id argumentTwo, id argumentThree);
#endif
private:
#if PLATFORM(COCOA)
WebExtensionCallbackHandler(JSContextRef, JSObjectRef resolveFunction, JSObjectRef rejectFunction);
WebExtensionCallbackHandler(JSContextRef, JSObjectRef callbackFunction, WebExtensionAPIRuntimeBase&);
WebExtensionCallbackHandler(JSContextRef, WebExtensionAPIRuntimeBase&);
JSObjectRef m_callbackFunction = nullptr;
JSObjectRef m_rejectFunction = nullptr;
JSRetainPtr<JSGlobalContextRef> m_globalContext;
RefPtr<WebExtensionAPIRuntimeBase> m_runtime;
#endif
};
enum class NullStringPolicy {
NoNullString,
NullAsNullString,
NullAndUndefinedAsNullString
};
enum class NullOrEmptyString {
NullStringAsNull,
NullStringAsEmptyString
};
inline WebFrame* toWebFrame(JSContextRef context)
{
ASSERT(context);
return WebFrame::frameForContext(JSContextGetGlobalContext(context));
}
inline WebPage* toWebPage(JSContextRef context)
{
ASSERT(context);
auto* frame = toWebFrame(context);
return frame ? frame->page() : nullptr;
}
inline JSRetainPtr<JSStringRef> toJSString(const char* string)
{
ASSERT(string);
return JSRetainPtr<JSStringRef>(Adopt, JSStringCreateWithUTF8CString(string));
}
inline JSValueRef toJSValueRefOrJSNull(JSContextRef context, JSValueRef value)
{
ASSERT(context);
return value ? value : JSValueMakeNull(context);
}
inline JSValueRef toJS(JSContextRef context, JSWebExtensionWrappable* impl)
{
return JSWebExtensionWrapper::wrap(context, impl);
}
inline Ref<WebExtensionCallbackHandler> toJSPromiseCallbackHandler(JSContextRef context, JSObjectRef resolveFunction, JSObjectRef rejectFunction)
{
return WebExtensionCallbackHandler::create(context, resolveFunction, rejectFunction);
}
inline Ref<WebExtensionCallbackHandler> toJSErrorCallbackHandler(JSContextRef context, WebExtensionAPIRuntimeBase& runtime)
{
return WebExtensionCallbackHandler::create(context, runtime);
}
RefPtr<WebExtensionCallbackHandler> toJSCallbackHandler(JSContextRef, JSValueRef callback, WebExtensionAPIRuntimeBase&);
#ifdef __OBJC__
id toNSObject(JSContextRef, JSValueRef, Class containingObjectsOfClass = Nil);
NSString *toNSString(JSContextRef, JSValueRef, NullStringPolicy = NullStringPolicy::NullAndUndefinedAsNullString);
NSDictionary *toNSDictionary(JSContextRef, JSValueRef);
inline JSValue *toJSValue(JSContextRef context, JSValueRef value)
{
return [JSValue valueWithJSValueRef:value inContext:[JSContext contextWithJSGlobalContextRef:JSContextGetGlobalContext(context)]];
}
inline JSValueRef toJSValueRef(JSContextRef context, id object)
{
ASSERT(context);
if (!object)
return JSValueMakeUndefined(context);
if (JSValue *value = dynamic_objc_cast<JSValue>(object))
return value.JSValueRef;
return [JSValue valueWithObject:object inContext:[JSContext contextWithJSGlobalContextRef:JSContextGetGlobalContext(context)]].JSValueRef;
}
JSValueRef toJSValueRef(JSContextRef, NSString *, NullOrEmptyString = NullOrEmptyString::NullStringAsEmptyString);
JSValueRef toJSValueRef(JSContextRef, NSURL *, NullOrEmptyString = NullOrEmptyString::NullStringAsEmptyString);
NSString *toNSString(JSStringRef);
inline JSObjectRef toJSError(JSContextRef context, NSString *string)
{
ASSERT(context);
JSValueRef messageArgument = toJSValueRef(context, string, NullOrEmptyString::NullStringAsEmptyString);
return JSObjectMakeError(context, 1, &messageArgument, nullptr);
}
inline JSRetainPtr<JSStringRef> toJSString(NSString *string)
{
return JSRetainPtr<JSStringRef>(Adopt, JSStringCreateWithCFString(string ? (__bridge CFStringRef)string : CFSTR("")));
}
inline JSValueRef toJSValueRefOrJSNull(JSContextRef context, id object)
{
ASSERT(context);
return object ? toJSValueRef(context, object) : JSValueMakeNull(context);
}
JSValueRef deserializeJSONString(JSContextRef, NSString *jsonString);
NSString *serializeJSObject(JSContextRef, JSValueRef, JSValueRef* exception);
#endif // __OBJC__
} // namespace WebKit
#ifdef __OBJC__
@interface JSValue (WebKitExtras)
- (NSString *)_toJSONString;
- (NSString *)_toSortedJSONString;
@property (nonatomic, readonly, getter=_isFunction) BOOL _function;
@property (nonatomic, readonly, getter=_isRegularExpression) BOOL _regularExpression;
@property (nonatomic, readonly, getter=_isThenable) BOOL _thenable;
- (void)_awaitThenableResolutionWithCompletionHandler:(void (^)(JSValue *result, JSValue *error))completionHandler;
@end
#endif // __OBJC__
#endif // ENABLE(WK_WEB_EXTENSIONS)
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