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/*
* Copyright (C) 2012 Google 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#ifndef V8DOMConfiguration_h
#define V8DOMConfiguration_h
#include "bindings/core/v8/V8Binding.h"
#include "bindings/core/v8/V8DOMWrapper.h"
#include <v8.h>
namespace blink {
class V8DOMConfiguration {
public:
// The following Configuration structs and install methods are used for
// setting multiple properties on an ObjectTemplate, used from the
// generated bindings initialization (ConfigureXXXTemplate). This greatly
// reduces the binary size by moving from code driven setup to data table
// driven setup.
enum ExposeConfiguration {
ExposedToAllScripts,
OnlyExposedToPrivateScript,
};
enum InstanceOrPrototypeConfiguration {
OnInstance,
OnPrototype,
};
// AttributeConfiguration translates into calls to SetAccessor() on either
// the instance or the prototype ObjectTemplate, based on |instanceOrPrototypeConfiguration|.
struct AttributeConfiguration {
const char* const name;
v8::AccessorGetterCallback getter;
v8::AccessorSetterCallback setter;
v8::AccessorGetterCallback getterForMainWorld;
v8::AccessorSetterCallback setterForMainWorld;
const WrapperTypeInfo* data;
v8::AccessControl settings;
v8::PropertyAttribute attribute;
ExposeConfiguration exposeConfiguration;
InstanceOrPrototypeConfiguration instanceOrPrototypeConfiguration;
};
// AccessorConfiguration translates into calls to SetAccessorProperty()
// on prototype ObjectTemplate.
struct AccessorConfiguration {
const char* const name;
v8::FunctionCallback getter;
v8::FunctionCallback setter;
v8::FunctionCallback getterForMainWorld;
v8::FunctionCallback setterForMainWorld;
const WrapperTypeInfo* data;
v8::AccessControl settings;
v8::PropertyAttribute attribute;
ExposeConfiguration exposeConfiguration;
};
static void installAttributes(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::ObjectTemplate>, const AttributeConfiguration*, size_t attributeCount);
template<class ObjectOrTemplate>
static inline void installAttribute(v8::Handle<ObjectOrTemplate> instanceTemplate, v8::Handle<ObjectOrTemplate> prototype, const AttributeConfiguration& attribute, v8::Isolate* isolate)
{
DOMWrapperWorld& world = DOMWrapperWorld::current(isolate);
if (attribute.exposeConfiguration == OnlyExposedToPrivateScript && !world.isPrivateScriptIsolatedWorld())
return;
v8::AccessorGetterCallback getter = attribute.getter;
v8::AccessorSetterCallback setter = attribute.setter;
if (world.isMainWorld()) {
if (attribute.getterForMainWorld)
getter = attribute.getterForMainWorld;
if (attribute.setterForMainWorld)
setter = attribute.setterForMainWorld;
}
(attribute.instanceOrPrototypeConfiguration == OnPrototype ? prototype : instanceTemplate)->SetAccessor(v8AtomicString(isolate, attribute.name),
getter,
setter,
v8::External::New(isolate, const_cast<WrapperTypeInfo*>(attribute.data)),
attribute.settings,
attribute.attribute);
}
enum ConstantType {
ConstantTypeShort,
ConstantTypeLong,
ConstantTypeUnsignedShort,
ConstantTypeUnsignedLong,
ConstantTypeFloat,
ConstantTypeDouble,
ConstantTypeString
};
// ConstantConfiguration translates into calls to Set() for setting up an
// object's constants. It sets the constant on both the FunctionTemplate and
// the ObjectTemplate. PropertyAttributes is always ReadOnly.
struct ConstantConfiguration {
const char* const name;
int ivalue;
double dvalue;
const char* const svalue;
ConstantType type;
};
static void installConstants(v8::Isolate*, v8::Handle<v8::FunctionTemplate>, v8::Handle<v8::ObjectTemplate>, const ConstantConfiguration*, size_t constantCount);
static void installConstant(v8::Isolate*, v8::Handle<v8::FunctionTemplate>, v8::Handle<v8::ObjectTemplate>, const char* name, v8::AccessorGetterCallback);
// MethodConfiguration translates into calls to Set() for setting up an
// object's callbacks. It sets the method on both the FunctionTemplate or
// the ObjectTemplate.
struct MethodConfiguration {
v8::Local<v8::Name> methodName(v8::Isolate* isolate) const { return v8AtomicString(isolate, name); }
v8::FunctionCallback callbackForWorld(const DOMWrapperWorld& world) const
{
return world.isMainWorld() && callbackForMainWorld ? callbackForMainWorld : callback;
}
const char* const name;
v8::FunctionCallback callback;
v8::FunctionCallback callbackForMainWorld;
int length;
ExposeConfiguration exposeConfiguration;
};
struct SymbolKeyedMethodConfiguration {
v8::Local<v8::Name> methodName(v8::Isolate* isolate) const { return getSymbol(isolate); }
v8::FunctionCallback callbackForWorld(const DOMWrapperWorld&) const
{
return callback;
}
v8::Local<v8::Symbol> (*getSymbol)(v8::Isolate*);
v8::FunctionCallback callback;
// SymbolKeyedMethodConfiguration doesn't support per-world bindings.
int length;
ExposeConfiguration exposeConfiguration;
};
static void installMethods(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, v8::PropertyAttribute, const MethodConfiguration*, size_t callbackCount);
template <class ObjectOrTemplate, class Configuration>
static void installMethod(v8::Handle<ObjectOrTemplate> objectOrTemplate, v8::Handle<v8::Signature> signature, v8::PropertyAttribute attribute, const Configuration& callback, v8::Isolate* isolate)
{
DOMWrapperWorld& world = DOMWrapperWorld::current(isolate);
if (callback.exposeConfiguration == OnlyExposedToPrivateScript && !world.isPrivateScriptIsolatedWorld())
return;
v8::Local<v8::FunctionTemplate> functionTemplate = functionTemplateForCallback(isolate, signature, callback.callbackForWorld(world), callback.length);
setMethod(objectOrTemplate, callback.methodName(isolate), functionTemplate, attribute);
}
static void installAccessors(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, const AccessorConfiguration*, size_t accessorCount);
static v8::Local<v8::Signature> installDOMClassTemplate(v8::Isolate*, v8::Local<v8::FunctionTemplate>, const char* interfaceName, v8::Handle<v8::FunctionTemplate> parentClass, size_t fieldCount,
const AttributeConfiguration*, size_t attributeCount,
const AccessorConfiguration*, size_t accessorCount,
const MethodConfiguration*, size_t callbackCount);
static v8::Handle<v8::FunctionTemplate> domClassTemplate(v8::Isolate*, WrapperTypeInfo*, void (*)(v8::Local<v8::FunctionTemplate>, v8::Isolate*));
private:
static void setMethod(v8::Handle<v8::Object> target, v8::Handle<v8::Name> name, v8::Handle<v8::FunctionTemplate> functionTemplate, v8::PropertyAttribute attribute)
{
target->Set(name, functionTemplate->GetFunction());
}
static void setMethod(v8::Handle<v8::FunctionTemplate> target, v8::Handle<v8::Name> name, v8::Handle<v8::FunctionTemplate> functionTemplate, v8::PropertyAttribute attribute)
{
target->Set(name, functionTemplate, attribute);
}
static void setMethod(v8::Handle<v8::ObjectTemplate> target, v8::Handle<v8::Name> name, v8::Handle<v8::FunctionTemplate> functionTemplate, v8::PropertyAttribute attribute)
{
target->Set(name, functionTemplate, attribute);
}
static v8::Handle<v8::FunctionTemplate> functionTemplateForCallback(v8::Isolate*, v8::Handle<v8::Signature>, v8::FunctionCallback, int length);
};
} // namespace blink
#endif // V8DOMConfiguration_h
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