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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/proxy/ppb_file_ref_proxy.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_file_ref.h"
#include "ppapi/c/private/ppb_proxy_private.h"
#include "ppapi/proxy/enter_proxy.h"
#include "ppapi/proxy/host_dispatcher.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_var.h"
#include "ppapi/shared_impl/file_ref_impl.h"
#include "ppapi/thunk/resource_creation_api.h"
#include "ppapi/thunk/thunk.h"
using ppapi::thunk::EnterFunctionNoLock;
using ppapi::thunk::EnterResourceNoLock;
using ppapi::thunk::PPB_FileRef_API;
using ppapi::thunk::ResourceCreationAPI;
namespace ppapi {
namespace proxy {
class FileRef : public FileRefImpl {
public:
explicit FileRef(const PPB_FileRef_CreateInfo& info);
virtual ~FileRef();
// PPB_FileRef_API implementation (not provided by FileRefImpl).
virtual PP_Resource GetParent() OVERRIDE;
virtual int32_t MakeDirectory(PP_Bool make_ancestors,
PP_CompletionCallback callback) OVERRIDE;
virtual int32_t Touch(PP_Time last_access_time,
PP_Time last_modified_time,
PP_CompletionCallback callback) OVERRIDE;
virtual int32_t Delete(PP_CompletionCallback callback) OVERRIDE;
virtual int32_t Rename(PP_Resource new_file_ref,
PP_CompletionCallback callback) OVERRIDE;
private:
PluginDispatcher* GetDispatcher() const {
return PluginDispatcher::GetForResource(this);
}
DISALLOW_IMPLICIT_CONSTRUCTORS(FileRef);
};
FileRef::FileRef(const PPB_FileRef_CreateInfo& info)
: FileRefImpl(FileRefImpl::InitAsProxy(), info) {
}
FileRef::~FileRef() {
}
PP_Resource FileRef::GetParent() {
PPB_FileRef_CreateInfo create_info;
GetDispatcher()->Send(new PpapiHostMsg_PPBFileRef_GetParent(
INTERFACE_ID_PPB_FILE_REF, host_resource(), &create_info));
return PPB_FileRef_Proxy::DeserializeFileRef(create_info);
}
int32_t FileRef::MakeDirectory(PP_Bool make_ancestors,
PP_CompletionCallback callback) {
GetDispatcher()->Send(new PpapiHostMsg_PPBFileRef_MakeDirectory(
INTERFACE_ID_PPB_FILE_REF, host_resource(), make_ancestors,
GetDispatcher()->callback_tracker().SendCallback(callback)));
return PP_OK_COMPLETIONPENDING;
}
int32_t FileRef::Touch(PP_Time last_access_time,
PP_Time last_modified_time,
PP_CompletionCallback callback) {
GetDispatcher()->Send(new PpapiHostMsg_PPBFileRef_Touch(
INTERFACE_ID_PPB_FILE_REF, host_resource(),
last_access_time, last_modified_time,
GetDispatcher()->callback_tracker().SendCallback(callback)));
return PP_OK_COMPLETIONPENDING;
}
int32_t FileRef::Delete(PP_CompletionCallback callback) {
GetDispatcher()->Send(new PpapiHostMsg_PPBFileRef_Delete(
INTERFACE_ID_PPB_FILE_REF, host_resource(),
GetDispatcher()->callback_tracker().SendCallback(callback)));
return PP_OK_COMPLETIONPENDING;
}
int32_t FileRef::Rename(PP_Resource new_file_ref,
PP_CompletionCallback callback) {
Resource* new_file_ref_object =
PluginResourceTracker::GetInstance()->GetResource(new_file_ref);
if (!new_file_ref_object ||
new_file_ref_object->host_resource().instance() != pp_instance())
return PP_ERROR_BADRESOURCE;
GetDispatcher()->Send(new PpapiHostMsg_PPBFileRef_Rename(
INTERFACE_ID_PPB_FILE_REF, host_resource(),
new_file_ref_object->host_resource(),
GetDispatcher()->callback_tracker().SendCallback(callback)));
return PP_OK_COMPLETIONPENDING;
}
PPB_FileRef_Proxy::PPB_FileRef_Proxy(Dispatcher* dispatcher)
: InterfaceProxy(dispatcher) {
}
PPB_FileRef_Proxy::~PPB_FileRef_Proxy() {
}
// static
PP_Resource PPB_FileRef_Proxy::CreateProxyResource(PP_Resource file_system,
const char* path) {
Resource* file_system_object =
PluginResourceTracker::GetInstance()->GetResource(file_system);
if (!file_system_object)
return 0;
PPB_FileRef_CreateInfo create_info;
PluginDispatcher::GetForResource(file_system_object)->Send(
new PpapiHostMsg_PPBFileRef_Create(
INTERFACE_ID_PPB_FILE_REF, file_system_object->host_resource(),
path, &create_info));
return PPB_FileRef_Proxy::DeserializeFileRef(create_info);
}
bool PPB_FileRef_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_FileRef_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileRef_Create, OnMsgCreate)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileRef_GetParent, OnMsgGetParent)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileRef_MakeDirectory,
OnMsgMakeDirectory)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileRef_Touch, OnMsgTouch)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileRef_Delete, OnMsgDelete)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFileRef_Rename, OnMsgRename)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_FileRef_Proxy::SerializeFileRef(PP_Resource file_ref,
PPB_FileRef_CreateInfo* result) {
EnterResourceNoLock<PPB_FileRef_API> enter(file_ref, false);
if (enter.succeeded())
*result = enter.object()->GetCreateInfo();
}
// static
PP_Resource PPB_FileRef_Proxy::DeserializeFileRef(
const PPB_FileRef_CreateInfo& serialized) {
if (serialized.resource.is_null())
return 0; // Resource invalid.
return (new FileRef(serialized))->GetReference();
}
void PPB_FileRef_Proxy::OnMsgCreate(const HostResource& file_system,
const std::string& path,
PPB_FileRef_CreateInfo* result) {
thunk::EnterResourceCreation enter(file_system.instance());
if (enter.failed())
return;
PP_Resource resource = enter.functions()->CreateFileRef(
file_system.host_resource(), path.c_str());
if (!resource)
return; // CreateInfo default constructor initializes to 0.
SerializeFileRef(resource, result);
}
void PPB_FileRef_Proxy::OnMsgGetParent(const HostResource& host_resource,
PPB_FileRef_CreateInfo* result) {
EnterHostFromHostResource<PPB_FileRef_API> enter(host_resource);
if (enter.succeeded())
SerializeFileRef(enter.object()->GetParent(), result);
}
void PPB_FileRef_Proxy::OnMsgMakeDirectory(const HostResource& host_resource,
PP_Bool make_ancestors,
uint32_t serialized_callback) {
EnterHostFromHostResource<PPB_FileRef_API> enter(host_resource);
if (enter.failed())
return;
PP_CompletionCallback callback = ReceiveCallback(serialized_callback);
int32_t result = enter.object()->MakeDirectory(make_ancestors, callback);
if (result != PP_OK_COMPLETIONPENDING)
PP_RunCompletionCallback(&callback, result);
}
void PPB_FileRef_Proxy::OnMsgTouch(const HostResource& host_resource,
PP_Time last_access,
PP_Time last_modified,
uint32_t serialized_callback) {
EnterHostFromHostResource<PPB_FileRef_API> enter(host_resource);
if (enter.failed())
return;
PP_CompletionCallback callback = ReceiveCallback(serialized_callback);
int32_t result = enter.object()->Touch(last_access, last_modified, callback);
if (result != PP_OK_COMPLETIONPENDING)
PP_RunCompletionCallback(&callback, result);
}
void PPB_FileRef_Proxy::OnMsgDelete(const HostResource& host_resource,
uint32_t serialized_callback) {
EnterHostFromHostResource<PPB_FileRef_API> enter(host_resource);
if (enter.failed())
return;
PP_CompletionCallback callback = ReceiveCallback(serialized_callback);
int32_t result = enter.object()->Delete(callback);
if (result != PP_OK_COMPLETIONPENDING)
PP_RunCompletionCallback(&callback, result);
}
void PPB_FileRef_Proxy::OnMsgRename(const HostResource& file_ref,
const HostResource& new_file_ref,
uint32_t serialized_callback) {
EnterHostFromHostResource<PPB_FileRef_API> enter(file_ref);
if (enter.failed())
return;
PP_CompletionCallback callback = ReceiveCallback(serialized_callback);
int32_t result = enter.object()->Rename(new_file_ref.host_resource(),
callback);
if (result != PP_OK_COMPLETIONPENDING)
PP_RunCompletionCallback(&callback, result);
}
} // namespace proxy
} // namespace ppapi
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