chrome/renderer/pepper/pepper_flash_drm_renderer_host.cc

   1 // Copyright (c) 2012 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 "chrome/renderer/pepper/pepper_flash_drm_renderer_host.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "content/public/renderer/pepper_plugin_instance.h"
   9 #include "content/public/renderer/renderer_ppapi_host.h"
  10 #include "ppapi/c/pp_errors.h"
  11 #include "ppapi/host/dispatch_host_message.h"
  12 #include "ppapi/host/host_message_context.h"
  13 #include "ppapi/host/ppapi_host.h"
  14 #include "ppapi/proxy/ppapi_messages.h"
  15
  16 // TODO(raymes): This is duplicated from pepper_flash_drm_host.cc but once
  17 // FileRef is refactored to the browser, it won't need to be.
  18 namespace {
  19 const char kVoucherFilename[] = "plugin.vch";
  20 }  // namespace
  21
  22 PepperFlashDRMRendererHost::PepperFlashDRMRendererHost(
  23     content::RendererPpapiHost* host,
  24     PP_Instance instance,
  25     PP_Resource resource)
  26     : ResourceHost(host->GetPpapiHost(), instance, resource),
  27       renderer_ppapi_host_(host),
  28       weak_factory_(this) {}
  29
  30 PepperFlashDRMRendererHost::~PepperFlashDRMRendererHost() {}
  31
  32 int32_t PepperFlashDRMRendererHost::OnResourceMessageReceived(
  33     const IPC::Message& msg,
  34     ppapi::host::HostMessageContext* context) {
  35   PPAPI_BEGIN_MESSAGE_MAP(PepperFlashDRMRendererHost, msg)
  36     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_FlashDRM_GetVoucherFile,
  37                                         OnGetVoucherFile)
  38   PPAPI_END_MESSAGE_MAP()
  39   return PP_ERROR_FAILED;
  40 }
  41
  42 int32_t PepperFlashDRMRendererHost::OnGetVoucherFile(
  43     ppapi::host::HostMessageContext* context) {
  44   content::PepperPluginInstance* plugin_instance =
  45       renderer_ppapi_host_->GetPluginInstance(pp_instance());
  46   if (!plugin_instance)
  47     return PP_ERROR_FAILED;
  48
  49   base::FilePath plugin_dir = plugin_instance->GetModulePath().DirName();
  50   DCHECK(!plugin_dir.empty());
  51   base::FilePath voucher_file = plugin_dir.AppendASCII(kVoucherFilename);
  52
  53   int renderer_pending_host_id =
  54       plugin_instance->MakePendingFileRefRendererHost(voucher_file);
  55   if (renderer_pending_host_id == 0)
  56     return PP_ERROR_FAILED;
  57
  58   std::vector<IPC::Message> create_msgs;
  59   create_msgs.push_back(PpapiHostMsg_FileRef_CreateForRawFS(voucher_file));
  60
  61   renderer_ppapi_host_->CreateBrowserResourceHosts(
  62       pp_instance(),
  63       create_msgs,
  64       base::Bind(&PepperFlashDRMRendererHost::DidCreateFileRefHosts,
  65                  weak_factory_.GetWeakPtr(),
  66                  context->MakeReplyMessageContext(),
  67                  voucher_file,
  68                  renderer_pending_host_id));
  69   return PP_OK_COMPLETIONPENDING;
  70 }
  71
  72 void PepperFlashDRMRendererHost::DidCreateFileRefHosts(
  73     const ppapi::host::ReplyMessageContext& reply_context,
  74     const base::FilePath& external_path,
  75     int renderer_pending_host_id,
  76     const std::vector<int>& browser_pending_host_ids) {
  77   DCHECK_EQ(1U, browser_pending_host_ids.size());
  78   int browser_pending_host_id = browser_pending_host_ids[0];
  79
  80   ppapi::FileRefCreateInfo create_info =
  81       ppapi::MakeExternalFileRefCreateInfo(external_path,
  82                                            std::string(),
  83                                            browser_pending_host_id,
  84                                            renderer_pending_host_id);
  85   host()->SendReply(reply_context,
  86                     PpapiPluginMsg_FlashDRM_GetVoucherFileReply(create_info));
  87 }