1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/renderer/pepper/pepper_file_ref_renderer_host.h" 6 7 #include <string> 8 9 #include "net/base/escape.h" 10 #include "ppapi/c/pp_errors.h" 11 #include "ppapi/host/ppapi_host.h" 12 #include "ppapi/shared_impl/file_ref_util.h" 13 14 namespace content { 15 16 PepperFileRefRendererHost::PepperFileRefRendererHost( 17 RendererPpapiHost* host, 18 PP_Instance instance, 19 PP_Resource resource, 20 PP_Resource file_system, 21 const std::string& internal_path) 22 : ResourceHost(host->GetPpapiHost(), instance, resource), 23 file_system_type_(PP_FILESYSTEMTYPE_INVALID), 24 internal_path_(internal_path) { 25 if (!ppapi::IsValidInternalPath(internal_path)) 26 return; 27 ResourceHost* fs_host = host->GetPpapiHost()->GetResourceHost(file_system); 28 if (fs_host && fs_host->IsFileSystemHost()) { 29 fs_host_ = base::AsWeakPtr(static_cast<PepperFileSystemHost*>(fs_host)); 30 file_system_type_ = fs_host_->GetType(); 31 } 32 } 33 34 PepperFileRefRendererHost::PepperFileRefRendererHost( 35 RendererPpapiHost* host, 36 PP_Instance instance, 37 PP_Resource resource, 38 const base::FilePath& external_path) 39 : ResourceHost(host->GetPpapiHost(), instance, resource), 40 file_system_type_(PP_FILESYSTEMTYPE_EXTERNAL), 41 external_path_(external_path) { 42 if (!ppapi::IsValidExternalPath(external_path)) 43 file_system_type_ = PP_FILESYSTEMTYPE_INVALID; 44 } 45 46 PepperFileRefRendererHost::~PepperFileRefRendererHost() {} 47 48 PP_FileSystemType PepperFileRefRendererHost::GetFileSystemType() const { 49 return file_system_type_; 50 } 51 52 GURL PepperFileRefRendererHost::GetFileSystemURL() const { 53 if (fs_host_.get() && fs_host_->IsOpened() && 54 fs_host_->GetRootUrl().is_valid()) { 55 CHECK(!internal_path_.empty() && internal_path_[0] == '/'); 56 // We strip off the leading slash when passing the URL to Resolve(). 57 // Internal paths are required to be absolute, so we can require this. 58 return fs_host_->GetRootUrl().Resolve( 59 net::EscapePath(internal_path_.substr(1))); 60 } 61 return GURL(); 62 } 63 64 base::FilePath PepperFileRefRendererHost::GetExternalFilePath() const { 65 if (file_system_type_ != PP_FILESYSTEMTYPE_EXTERNAL) 66 return base::FilePath(); 67 return external_path_; 68 } 69 70 int32_t PepperFileRefRendererHost::OnResourceMessageReceived( 71 const IPC::Message& msg, 72 ppapi::host::HostMessageContext* context) { 73 // We don't handle any messages from the plugin in this host. 74 NOTREACHED(); 75 return PP_ERROR_FAILED; 76 } 77 78 bool PepperFileRefRendererHost::IsFileRefHost() { return true; } 79 80 } // namespace content 81