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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_flash_clipboard_proxy.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/private/ppb_flash_clipboard.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_var.h"
#include "ppapi/thunk/enter.h"
using ppapi::thunk::PPB_Flash_Clipboard_FunctionAPI;
namespace ppapi {
namespace proxy {
namespace {
typedef thunk::EnterFunctionNoLock<PPB_Flash_Clipboard_FunctionAPI>
EnterFlashClipboardNoLock;
bool IsValidClipboardType(PP_Flash_Clipboard_Type clipboard_type) {
return clipboard_type == PP_FLASH_CLIPBOARD_TYPE_STANDARD ||
clipboard_type == PP_FLASH_CLIPBOARD_TYPE_SELECTION;
}
bool IsValidClipboardFormat(PP_Flash_Clipboard_Format format) {
// Purposely excludes |PP_FLASH_CLIPBOARD_FORMAT_INVALID|.
return format == PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT ||
format == PP_FLASH_CLIPBOARD_FORMAT_HTML;
}
} // namespace
PPB_Flash_Clipboard_Proxy::PPB_Flash_Clipboard_Proxy(Dispatcher* dispatcher)
: InterfaceProxy(dispatcher) {
}
PPB_Flash_Clipboard_Proxy::~PPB_Flash_Clipboard_Proxy() {
}
PPB_Flash_Clipboard_FunctionAPI*
PPB_Flash_Clipboard_Proxy::AsPPB_Flash_Clipboard_FunctionAPI() {
return this;
}
PP_Bool PPB_Flash_Clipboard_Proxy::IsFormatAvailable(
PP_Instance instance,
PP_Flash_Clipboard_Type clipboard_type,
PP_Flash_Clipboard_Format format) {
if (!IsValidClipboardType(clipboard_type) || !IsValidClipboardFormat(format))
return PP_FALSE;
bool result = false;
dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_IsFormatAvailable(
API_ID_PPB_FLASH_CLIPBOARD,
instance,
static_cast<int>(clipboard_type),
static_cast<int>(format),
&result));
return PP_FromBool(result);
}
PP_Var PPB_Flash_Clipboard_Proxy::ReadPlainText(
PP_Instance instance,
PP_Flash_Clipboard_Type clipboard_type) {
if (!IsValidClipboardType(clipboard_type))
return PP_MakeUndefined();
ReceiveSerializedVarReturnValue result;
dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_ReadPlainText(
API_ID_PPB_FLASH_CLIPBOARD, instance,
static_cast<int>(clipboard_type), &result));
return result.Return(dispatcher());
}
int32_t PPB_Flash_Clipboard_Proxy::WritePlainText(
PP_Instance instance,
PP_Flash_Clipboard_Type clipboard_type,
const PP_Var& text) {
if (!IsValidClipboardType(clipboard_type))
return PP_ERROR_BADARGUMENT;
dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_WritePlainText(
API_ID_PPB_FLASH_CLIPBOARD,
instance,
static_cast<int>(clipboard_type),
SerializedVarSendInput(dispatcher(), text)));
// Assume success, since it allows us to avoid a sync IPC.
return PP_OK;
}
bool PPB_Flash_Clipboard_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_Flash_Clipboard_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_IsFormatAvailable,
OnMsgIsFormatAvailable)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_ReadPlainText,
OnMsgReadPlainText)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_WritePlainText,
OnMsgWritePlainText)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_Flash_Clipboard_Proxy::OnMsgIsFormatAvailable(
PP_Instance instance,
int clipboard_type,
int format,
bool* result) {
EnterFlashClipboardNoLock enter(instance, true);
if (enter.succeeded()) {
*result = PP_ToBool(enter.functions()->IsFormatAvailable(
instance,
static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
static_cast<PP_Flash_Clipboard_Format>(format)));
} else {
*result = false;
}
}
void PPB_Flash_Clipboard_Proxy::OnMsgReadPlainText(
PP_Instance instance,
int clipboard_type,
SerializedVarReturnValue result) {
EnterFlashClipboardNoLock enter(instance, true);
if (enter.succeeded()) {
result.Return(dispatcher(),
enter.functions()->ReadPlainText(
instance,
static_cast<PP_Flash_Clipboard_Type>(clipboard_type)));
}
}
void PPB_Flash_Clipboard_Proxy::OnMsgWritePlainText(
PP_Instance instance,
int clipboard_type,
SerializedVarReceiveInput text) {
EnterFlashClipboardNoLock enter(instance, true);
if (enter.succeeded()) {
int32_t result = enter.functions()->WritePlainText(
instance,
static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
text.Get(dispatcher()));
DLOG_IF(WARNING, result != PP_OK)
<< "Write to clipboard failed unexpectedly.";
(void)result; // Prevent warning in release mode.
}
}
} // namespace proxy
} // namespace ppapi
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