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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_char_set_proxy.h"
#include "ppapi/c/dev/ppb_char_set_dev.h"
#include "ppapi/c/ppb_core.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_var.h"
namespace pp {
namespace proxy {
namespace {
char* UTF16ToCharSet(PP_Instance instance,
const uint16_t* utf16, uint32_t utf16_len,
const char* output_char_set,
PP_CharSet_ConversionError on_error,
uint32_t* output_length) {
*output_length = 0;
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return NULL;
bool output_is_success = false;
std::string result;
dispatcher->Send(new PpapiHostMsg_PPBCharSet_UTF16ToCharSet(
INTERFACE_ID_PPB_CHAR_SET, instance,
string16(reinterpret_cast<const char16*>(utf16), utf16_len),
std::string(output_char_set), static_cast<int32_t>(on_error),
&result, &output_is_success));
if (!output_is_success)
return NULL;
*output_length = static_cast<uint32_t>(result.size());
char* ret_val = static_cast<char*>(malloc(result.size() + 1));
memcpy(ret_val, result.c_str(), result.size() + 1);
return ret_val;
}
uint16_t* CharSetToUTF16(PP_Instance instance,
const char* input, uint32_t input_len,
const char* input_char_set,
PP_CharSet_ConversionError on_error,
uint32_t* output_length) {
*output_length = 0;
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return NULL;
bool output_is_success = false;
string16 result;
dispatcher->Send(new PpapiHostMsg_PPBCharSet_CharSetToUTF16(
INTERFACE_ID_PPB_CHAR_SET, instance,
std::string(input, input_len),
std::string(input_char_set), static_cast<int32_t>(on_error),
&result, &output_is_success));
if (!output_is_success)
return NULL;
*output_length = static_cast<uint32_t>(result.size());
uint16_t* ret_val = static_cast<uint16_t*>(
malloc((result.size() + 1) * sizeof(uint16_t)));
memcpy(ret_val, result.c_str(), (result.size() + 1) * sizeof(uint16_t));
return ret_val;
}
PP_Var GetDefaultCharSet(PP_Instance instance) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeUndefined();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBCharSet_GetDefaultCharSet(
INTERFACE_ID_PPB_CHAR_SET, instance, &result));
return result.Return(dispatcher);
}
const PPB_CharSet_Dev charset_interface = {
&UTF16ToCharSet,
&CharSetToUTF16,
&GetDefaultCharSet
};
InterfaceProxy* CreateCharSetProxy(Dispatcher* dispatcher,
const void* target_interface) {
return new PPB_CharSet_Proxy(dispatcher, target_interface);
}
} // namespace
PPB_CharSet_Proxy::PPB_CharSet_Proxy(Dispatcher* dispatcher,
const void* target_interface)
: InterfaceProxy(dispatcher, target_interface),
core_interface_(NULL) {
}
PPB_CharSet_Proxy::~PPB_CharSet_Proxy() {
}
// static
const InterfaceProxy::Info* PPB_CharSet_Proxy::GetInfo() {
static const Info info = {
&charset_interface,
PPB_CHAR_SET_DEV_INTERFACE,
INTERFACE_ID_PPB_CHAR_SET,
false,
&CreateCharSetProxy,
};
return &info;
}
bool PPB_CharSet_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_CharSet_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCharSet_UTF16ToCharSet,
OnMsgUTF16ToCharSet)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCharSet_CharSetToUTF16,
OnMsgCharSetToUTF16)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCharSet_GetDefaultCharSet,
OnMsgGetDefaultCharSet)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_CharSet_Proxy::OnMsgUTF16ToCharSet(PP_Instance instance,
const string16& utf16,
const std::string& char_set,
int32_t on_error,
std::string* output,
bool* output_is_success) {
uint32_t output_len = 0;
char* result = ppb_char_set_target()->UTF16ToCharSet(
instance, reinterpret_cast<const uint16_t*>(utf16.c_str()),
static_cast<uint32_t>(utf16.size()),
char_set.c_str(), static_cast<PP_CharSet_ConversionError>(on_error),
&output_len);
if (result) {
output->assign(result, output_len);
GetCoreInterface()->MemFree(result);
*output_is_success = true;
} else {
*output_is_success = false;
}
}
void PPB_CharSet_Proxy::OnMsgCharSetToUTF16(PP_Instance instance,
const std::string& input,
const std::string& char_set,
int32_t on_error,
string16* output,
bool* output_is_success) {
uint32_t output_len = 0;
uint16_t* result = ppb_char_set_target()->CharSetToUTF16(
instance, input.c_str(), static_cast<uint32_t>(input.size()),
char_set.c_str(), static_cast<PP_CharSet_ConversionError>(on_error),
&output_len);
if (result) {
output->assign(reinterpret_cast<const char16*>(result), output_len);
GetCoreInterface()->MemFree(result);
*output_is_success = true;
} else {
*output_is_success = false;
}
}
void PPB_CharSet_Proxy::OnMsgGetDefaultCharSet(
PP_Instance instance,
SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_char_set_target()->GetDefaultCharSet(instance));
}
const PPB_Core* PPB_CharSet_Proxy::GetCoreInterface() {
if (!core_interface_) {
core_interface_ = static_cast<const PPB_Core*>(
dispatcher()->GetLocalInterface(PPB_CORE_INTERFACE));
}
return core_interface_;
}
} // namespace proxy
} // namespace pp
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