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// Copyright (c) 2013 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 "content/renderer/pepper/pepper_file_system_host.h"
#include "base/bind.h"
#include "base/callback.h"
#include "content/common/pepper_file_util.h"
#include "content/public/renderer/render_view.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "content/renderer/fileapi/file_system_dispatcher.h"
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include "content/renderer/render_thread_impl.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/host/dispatch_host_message.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/file_system_util.h"
#include "ppapi/shared_impl/file_type_conversion.h"
#include "storage/common/fileapi/file_system_util.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
namespace content {
PepperFileSystemHost::PepperFileSystemHost(RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
PP_FileSystemType type)
: ResourceHost(host->GetPpapiHost(), instance, resource),
renderer_ppapi_host_(host),
type_(type),
opened_(false),
called_open_(false) {}
PepperFileSystemHost::PepperFileSystemHost(RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const GURL& root_url,
PP_FileSystemType type)
: ResourceHost(host->GetPpapiHost(), instance, resource),
renderer_ppapi_host_(host),
type_(type),
opened_(true),
root_url_(root_url),
called_open_(true) {}
PepperFileSystemHost::~PepperFileSystemHost() {}
int32_t PepperFileSystemHost::OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) {
PPAPI_BEGIN_MESSAGE_MAP(PepperFileSystemHost, msg)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_FileSystem_Open,
OnHostMsgOpen)
PPAPI_DISPATCH_HOST_RESOURCE_CALL(
PpapiHostMsg_FileSystem_InitIsolatedFileSystem,
OnHostMsgInitIsolatedFileSystem)
PPAPI_END_MESSAGE_MAP()
return PP_ERROR_FAILED;
}
bool PepperFileSystemHost::IsFileSystemHost() { return true; }
void PepperFileSystemHost::DidOpenFileSystem(
const std::string& /* name_unused */,
const GURL& root) {
opened_ = true;
root_url_ = root;
reply_context_.params.set_result(PP_OK);
host()->SendReply(reply_context_, PpapiPluginMsg_FileSystem_OpenReply());
reply_context_ = ppapi::host::ReplyMessageContext();
}
void PepperFileSystemHost::DidFailOpenFileSystem(base::File::Error error) {
int32_t pp_error = ppapi::FileErrorToPepperError(error);
opened_ = (pp_error == PP_OK);
reply_context_.params.set_result(pp_error);
host()->SendReply(reply_context_, PpapiPluginMsg_FileSystem_OpenReply());
reply_context_ = ppapi::host::ReplyMessageContext();
}
int32_t PepperFileSystemHost::OnHostMsgOpen(
ppapi::host::HostMessageContext* context,
int64_t expected_size) {
// Not allow multiple opens.
if (called_open_)
return PP_ERROR_INPROGRESS;
called_open_ = true;
storage::FileSystemType file_system_type =
PepperFileSystemTypeToFileSystemType(type_);
if (file_system_type == storage::kFileSystemTypeUnknown)
return PP_ERROR_FAILED;
GURL document_url = renderer_ppapi_host_->GetDocumentURL(pp_instance());
if (!document_url.is_valid())
return PP_ERROR_FAILED;
FileSystemDispatcher* file_system_dispatcher =
RenderThreadImpl::current()->file_system_dispatcher();
reply_context_ = context->MakeReplyMessageContext();
file_system_dispatcher->OpenFileSystem(
document_url.GetOrigin(), file_system_type,
base::Bind(&PepperFileSystemHost::DidOpenFileSystem, AsWeakPtr()),
base::Bind(&PepperFileSystemHost::DidFailOpenFileSystem, AsWeakPtr()));
return PP_OK_COMPLETIONPENDING;
}
int32_t PepperFileSystemHost::OnHostMsgInitIsolatedFileSystem(
ppapi::host::HostMessageContext* context,
const std::string& fsid,
PP_IsolatedFileSystemType_Private type) {
// Do not allow multiple opens.
if (called_open_)
return PP_ERROR_INPROGRESS;
called_open_ = true;
// Do a sanity check.
if (!storage::ValidateIsolatedFileSystemId(fsid))
return PP_ERROR_BADARGUMENT;
RenderView* view =
renderer_ppapi_host_->GetRenderViewForInstance(pp_instance());
if (!view)
return PP_ERROR_FAILED;
url::Origin main_frame_origin(
view->GetWebView()->MainFrame()->GetSecurityOrigin());
const std::string root_name = ppapi::IsolatedFileSystemTypeToRootName(type);
if (root_name.empty())
return PP_ERROR_BADARGUMENT;
root_url_ = GURL(storage::GetIsolatedFileSystemRootURIString(
main_frame_origin.GetURL(), fsid, root_name));
opened_ = true;
return PP_OK;
}
} // namespace content
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