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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"
namespace ppapi {
namespace proxy {
namespace {
bool IsValidClipboardType(PP_Flash_Clipboard_Type clipboard_type) {
return clipboard_type == PP_FLASH_CLIPBOARD_TYPE_STANDARD ||
clipboard_type == PP_FLASH_CLIPBOARD_TYPE_SELECTION ||
clipboard_type == PP_FLASH_CLIPBOARD_TYPE_DRAG;
}
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;
}
PP_Bool IsFormatAvailable(PP_Instance instance_id,
PP_Flash_Clipboard_Type clipboard_type,
PP_Flash_Clipboard_Format format) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_FALSE;
if (!IsValidClipboardType(clipboard_type) || !IsValidClipboardFormat(format))
return PP_FALSE;
bool result = false;
dispatcher->Send(new PpapiHostMsg_PPBFlashClipboard_IsFormatAvailable(
INTERFACE_ID_PPB_FLASH_CLIPBOARD,
instance_id,
static_cast<int>(clipboard_type),
static_cast<int>(format),
&result));
return PP_FromBool(result);
}
PP_Var ReadPlainText(PP_Instance instance_id,
PP_Flash_Clipboard_Type clipboard_type) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_MakeUndefined();
if (!IsValidClipboardType(clipboard_type))
return PP_MakeUndefined();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBFlashClipboard_ReadPlainText(
INTERFACE_ID_PPB_FLASH_CLIPBOARD, instance_id,
static_cast<int>(clipboard_type), &result));
return result.Return(dispatcher);
}
int32_t WritePlainText(PP_Instance instance_id,
PP_Flash_Clipboard_Type clipboard_type,
PP_Var text) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance_id);
if (!dispatcher)
return PP_ERROR_BADARGUMENT;
if (!IsValidClipboardType(clipboard_type))
return PP_ERROR_BADARGUMENT;
dispatcher->Send(new PpapiHostMsg_PPBFlashClipboard_WritePlainText(
INTERFACE_ID_PPB_FLASH_CLIPBOARD,
instance_id,
static_cast<int>(clipboard_type),
SerializedVarSendInput(dispatcher, text)));
// Assume success, since it allows us to avoid a sync IPC.
return PP_OK;
}
const PPB_Flash_Clipboard flash_clipboard_interface = {
&IsFormatAvailable,
&ReadPlainText,
&WritePlainText
};
InterfaceProxy* CreateFlashClipboardProxy(Dispatcher* dispatcher) {
return new PPB_Flash_Clipboard_Proxy(dispatcher);
}
} // namespace
PPB_Flash_Clipboard_Proxy::PPB_Flash_Clipboard_Proxy(Dispatcher* dispatcher)
: InterfaceProxy(dispatcher),
ppb_flash_clipboard_impl_(NULL) {
if (!dispatcher->IsPlugin()) {
ppb_flash_clipboard_impl_ = static_cast<const PPB_Flash_Clipboard*>(
dispatcher->local_get_interface()(PPB_FLASH_CLIPBOARD_INTERFACE));
}
}
PPB_Flash_Clipboard_Proxy::~PPB_Flash_Clipboard_Proxy() {
}
// static
const InterfaceProxy::Info* PPB_Flash_Clipboard_Proxy::GetInfo() {
static const Info info = {
&flash_clipboard_interface,
PPB_FLASH_CLIPBOARD_INTERFACE,
INTERFACE_ID_PPB_FLASH_CLIPBOARD,
false,
&CreateFlashClipboardProxy
};
return &info;
}
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_id,
int clipboard_type,
int format,
bool* result) {
*result = PP_ToBool(ppb_flash_clipboard_impl_->IsFormatAvailable(
instance_id,
static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
static_cast<PP_Flash_Clipboard_Format>(format)));
}
void PPB_Flash_Clipboard_Proxy::OnMsgReadPlainText(
PP_Instance instance_id,
int clipboard_type,
SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_flash_clipboard_impl_->ReadPlainText(
instance_id,
static_cast<PP_Flash_Clipboard_Type>(clipboard_type)));
}
void PPB_Flash_Clipboard_Proxy::OnMsgWritePlainText(
PP_Instance instance_id,
int clipboard_type,
SerializedVarReceiveInput text) {
int32_t result = ppb_flash_clipboard_impl_->WritePlainText(
instance_id,
static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
text.Get(dispatcher()));
LOG_IF(WARNING, result != PP_OK) << "Write to clipboard failed unexpectedly.";
}
} // namespace proxy
} // namespace ppapi
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