| // 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/child/child_thread.h" |
| #include "content/child/fileapi/file_system_dispatcher.h" |
| #include "content/common/pepper_file_util.h" |
| #include "content/renderer/pepper/pepper_plugin_instance_impl.h" |
| #include "content/public/renderer/render_view.h" |
| #include "content/public/renderer/renderer_ppapi_host.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 "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| #include "webkit/common/fileapi/file_system_util.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), |
| weak_factory_(this) {} |
| |
| 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), |
| weak_factory_(this) {} |
| |
| 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 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; |
| |
| fileapi::FileSystemType file_system_type = |
| PepperFileSystemTypeToFileSystemType(type_); |
| if (file_system_type == fileapi::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 = |
| ChildThread::current()->file_system_dispatcher(); |
| reply_context_ = context->MakeReplyMessageContext(); |
| file_system_dispatcher->OpenFileSystem( |
| document_url.GetOrigin(), |
| file_system_type, |
| base::Bind(&PepperFileSystemHost::DidOpenFileSystem, |
| weak_factory_.GetWeakPtr()), |
| base::Bind(&PepperFileSystemHost::DidFailOpenFileSystem, |
| weak_factory_.GetWeakPtr())); |
| 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 (!fileapi::ValidateIsolatedFileSystemId(fsid)) |
| return PP_ERROR_BADARGUMENT; |
| |
| RenderView* view = |
| renderer_ppapi_host_->GetRenderViewForInstance(pp_instance()); |
| if (!view) |
| return PP_ERROR_FAILED; |
| |
| const GURL& url = view->GetWebView()->mainFrame()->document().url(); |
| const std::string root_name = ppapi::IsolatedFileSystemTypeToRootName(type); |
| if (root_name.empty()) |
| return PP_ERROR_BADARGUMENT; |
| root_url_ = GURL(fileapi::GetIsolatedFileSystemRootURIString( |
| url.GetOrigin(), fsid, root_name)); |
| opened_ = true; |
| return PP_OK; |
| } |
| |
| } // namespace content |