WebContextUserMessageCoders.h [plain text]
#include "UserMessageCoders.h"
#include "WebContext.h"
#include "WebFrameProxy.h"
#include "WebPageGroup.h"
#include "WebPageGroupData.h"
#include "WebPageProxy.h"
#if PLATFORM(COCOA)
#include "ObjCObjectGraphCoders.h"
#endif
namespace WebKit {
class WebContextUserMessageEncoder : public UserMessageEncoder<WebContextUserMessageEncoder> {
public:
typedef UserMessageEncoder<WebContextUserMessageEncoder> Base;
explicit WebContextUserMessageEncoder(API::Object* root, WebProcessProxy& process)
: Base(root)
, m_process(process)
{
}
WebContextUserMessageEncoder(const WebContextUserMessageEncoder& userMessageEncoder, API::Object* root)
: Base(root)
, m_process(userMessageEncoder.m_process)
{
}
void encode(IPC::ArgumentEncoder& encoder) const
{
API::Object::Type type = API::Object::Type::Null;
if (baseEncode(encoder, *this, type))
return;
switch (type) {
case API::Object::Type::Page: {
WebPageProxy* page = static_cast<WebPageProxy*>(m_root);
encoder << page->pageID();
break;
}
case API::Object::Type::Frame: {
WebFrameProxy* frame = static_cast<WebFrameProxy*>(m_root);
encoder << frame->frameID();
break;
}
case API::Object::Type::PageGroup: {
WebPageGroup* pageGroup = static_cast<WebPageGroup*>(m_root);
encoder << pageGroup->data();
break;
}
#if PLATFORM(COCOA)
case API::Object::Type::ObjCObjectGraph: {
ObjCObjectGraph* objectGraph = static_cast<ObjCObjectGraph*>(m_root);
encoder << WebContextObjCObjectGraphEncoder(objectGraph, m_process);
break;
}
#endif
default:
ASSERT_NOT_REACHED();
break;
}
}
private:
WebProcessProxy& m_process;
};
class WebContextUserMessageDecoder : public UserMessageDecoder<WebContextUserMessageDecoder> {
public:
typedef UserMessageDecoder<WebContextUserMessageDecoder> Base;
WebContextUserMessageDecoder(RefPtr<API::Object>& root, WebProcessProxy& process)
: Base(root)
, m_process(process)
{
}
WebContextUserMessageDecoder(WebContextUserMessageDecoder& userMessageDecoder, RefPtr<API::Object>& root)
: Base(root)
, m_process(userMessageDecoder.m_process)
{
}
static bool decode(IPC::ArgumentDecoder& decoder, WebContextUserMessageDecoder& coder)
{
API::Object::Type type = API::Object::Type::Null;
if (!Base::baseDecode(decoder, coder, type))
return false;
if (coder.m_root || type == API::Object::Type::Null)
return true;
switch (type) {
case API::Object::Type::BundlePage: {
uint64_t pageID;
if (!decoder.decode(pageID))
return false;
coder.m_root = coder.m_process.webPage(pageID);
break;
}
case API::Object::Type::BundleFrame: {
uint64_t frameID;
if (!decoder.decode(frameID))
return false;
coder.m_root = coder.m_process.webFrame(frameID);
break;
}
case API::Object::Type::BundlePageGroup: {
uint64_t pageGroupID;
if (!decoder.decode(pageGroupID))
return false;
coder.m_root = WebPageGroup::get(pageGroupID);
break;
}
#if PLATFORM(COCOA)
case API::Object::Type::ObjCObjectGraph: {
RefPtr<ObjCObjectGraph> objectGraph;
WebContextObjCObjectGraphDecoder objectGraphDecoder(objectGraph, coder.m_process);
if (!decoder.decode(objectGraphDecoder))
return false;
coder.m_root = objectGraph.get();
break;
}
#endif
default:
return false;
}
return true;
}
private:
WebProcessProxy& m_process;
};
}