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