chrome/renderer/pepper/chrome_renderer_pepper_host_factory.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/chrome_renderer_pepper_host_factory.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/renderer/pepper/pepper_extensions_common_host.h"
   9 #include "chrome/renderer/pepper/pepper_flash_drm_renderer_host.h"
  10 #include "chrome/renderer/pepper/pepper_flash_font_file_host.h"
  11 #include "chrome/renderer/pepper/pepper_flash_fullscreen_host.h"
  12 #include "chrome/renderer/pepper/pepper_flash_menu_host.h"
  13 #include "chrome/renderer/pepper/pepper_flash_renderer_host.h"
  14 #include "chrome/renderer/pepper/pepper_pdf_host.h"
  15 #include "chrome/renderer/pepper/pepper_uma_host.h"
  16 #include "content/public/renderer/renderer_ppapi_host.h"
  17 #include "ppapi/host/ppapi_host.h"
  18 #include "ppapi/host/resource_host.h"
  19 #include "ppapi/proxy/ppapi_messages.h"
  20 #include "ppapi/proxy/ppapi_message_utils.h"
  21 #include "ppapi/shared_impl/ppapi_permissions.h"
  22
  23 using ppapi::host::ResourceHost;
  24
  25 ChromeRendererPepperHostFactory::ChromeRendererPepperHostFactory(
  26     content::RendererPpapiHost* host)
  27     : host_(host) {}
  28
  29 ChromeRendererPepperHostFactory::~ChromeRendererPepperHostFactory() {}
  30
  31 scoped_ptr<ResourceHost> ChromeRendererPepperHostFactory::CreateResourceHost(
  32     ppapi::host::PpapiHost* host,
  33     const ppapi::proxy::ResourceMessageCallParams& params,
  34     PP_Instance instance,
  35     const IPC::Message& message) {
  36   DCHECK(host == host_->GetPpapiHost());
  37
  38   // Make sure the plugin is giving us a valid instance for this resource.
  39   if (!host_->IsValidInstance(instance))
  40     return scoped_ptr<ResourceHost>();
  41
  42   // Dev interfaces.
  43   if (host_->GetPpapiHost()->permissions().HasPermission(
  44           ppapi::PERMISSION_DEV)) {
  45     switch (message.type()) {
  46       case PpapiHostMsg_ExtensionsCommon_Create::ID: {
  47         return scoped_ptr<ResourceHost>(PepperExtensionsCommonHost::Create(
  48             host_, instance, params.pp_resource()));
  49       }
  50     }
  51   }
  52
  53   if (host_->GetPpapiHost()->permissions().HasPermission(
  54           ppapi::PERMISSION_FLASH)) {
  55     switch (message.type()) {
  56       case PpapiHostMsg_Flash_Create::ID: {
  57         return scoped_ptr<ResourceHost>(
  58             new PepperFlashRendererHost(host_, instance, params.pp_resource()));
  59       }
  60       case PpapiHostMsg_FlashFullscreen_Create::ID: {
  61         return scoped_ptr<ResourceHost>(new PepperFlashFullscreenHost(
  62             host_, instance, params.pp_resource()));
  63       }
  64       case PpapiHostMsg_FlashMenu_Create::ID: {
  65         ppapi::proxy::SerializedFlashMenu serialized_menu;
  66         if (ppapi::UnpackMessage<PpapiHostMsg_FlashMenu_Create>(
  67                 message, &serialized_menu)) {
  68           return scoped_ptr<ResourceHost>(new PepperFlashMenuHost(
  69               host_, instance, params.pp_resource(), serialized_menu));
  70         }
  71         break;
  72       }
  73     }
  74   }
  75
  76   // TODO(raymes): PDF also needs access to the FlashFontFileHost currently.
  77   // We should either rename PPB_FlashFont_File to PPB_FontFile_Private or get
  78   // rid of its use in PDF if possible.
  79   if (host_->GetPpapiHost()->permissions().HasPermission(
  80           ppapi::PERMISSION_FLASH) ||
  81       host_->GetPpapiHost()->permissions().HasPermission(
  82           ppapi::PERMISSION_PRIVATE)) {
  83     switch (message.type()) {
  84       case PpapiHostMsg_FlashFontFile_Create::ID: {
  85         ppapi::proxy::SerializedFontDescription description;
  86         PP_PrivateFontCharset charset;
  87         if (ppapi::UnpackMessage<PpapiHostMsg_FlashFontFile_Create>(
  88                 message, &description, &charset)) {
  89           return scoped_ptr<ResourceHost>(new PepperFlashFontFileHost(
  90               host_, instance, params.pp_resource(), description, charset));
  91         }
  92         break;
  93       }
  94       case PpapiHostMsg_FlashDRM_Create::ID:
  95         return scoped_ptr<ResourceHost>(new PepperFlashDRMRendererHost(
  96             host_, instance, params.pp_resource()));
  97     }
  98   }
  99
 100   if (host_->GetPpapiHost()->permissions().HasPermission(
 101           ppapi::PERMISSION_PRIVATE)) {
 102     switch (message.type()) {
 103       case PpapiHostMsg_PDF_Create::ID: {
 104         return scoped_ptr<ResourceHost>(
 105             new PepperPDFHost(host_, instance, params.pp_resource()));
 106       }
 107     }
 108   }
 109
 110   // Permissions for the following interfaces will be checked at the
 111   // time of the corresponding instance's method calls.  Currently these
 112   // interfaces are available only for whitelisted apps which may not have
 113   // access to the other private interfaces.
 114   switch (message.type()) {
 115     case PpapiHostMsg_UMA_Create::ID: {
 116       return scoped_ptr<ResourceHost>(
 117           new PepperUMAHost(host_, instance, params.pp_resource()));
 118     }
 119   }
 120
 121   return scoped_ptr<ResourceHost>();
 122 }