Add a PPB_Flash_Print interface and implement in Chrome.

chrome/renderer/chrome_ppapi_interfaces.cc

-// Copyright (c) 2012 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 "chrome/renderer/chrome_ppapi_interfaces.h"
-
-#include "base/command_line.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/rand_util_c.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/common/render_messages.h"
-#include "chrome/renderer/chrome_ppb_pdf_impl.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/renderer/render_thread.h"
-#include "ipc/ipc_sync_message_filter.h"
-#include "ppapi/c/private/ppb_nacl_private.h"
-#include "ppapi/c/private/ppb_pdf.h"
-#include "webkit/plugins/ppapi/ppapi_interface_factory.h"
-
-#if !defined(DISABLE_NACL)
-#include "native_client/src/shared/imc/nacl_imc.h"
-#include "ppapi/native_client/src/trusted/plugin/nacl_entry_points.h"
-#endif
-
-#if defined(OS_WIN)
-#include "content/public/common/sandbox_init.h"
-#endif
-
-using content::RenderThread;
-
-namespace chrome {
-
-#if !defined(DISABLE_NACL)
-namespace {
-base::LazyInstance<scoped_refptr<IPC::SyncMessageFilter> >
-    g_background_thread_sender = LAZY_INSTANCE_INITIALIZER;
-}  // namespace
-
-// Launch NaCl's sel_ldr process.
-bool LaunchSelLdr(const char* alleged_url, int socket_count,
-                  void* imc_handles, void* nacl_process_handle,
-                  int* nacl_process_id) {
-  std::vector<nacl::FileDescriptor> sockets;
-  IPC::Message::Sender* sender = RenderThread::Get();
-  if (sender == NULL) {
-    sender = g_background_thread_sender.Pointer()->get();
-  }
-  if (!sender->Send(
-      new ChromeViewHostMsg_LaunchNaCl(
-          GURL(alleged_url), socket_count, &sockets))) {
-    return false;
-  }
-  CHECK(static_cast<int>(sockets.size()) == socket_count);
-  for (int i = 0; i < socket_count; i++) {
-    static_cast<nacl::Handle*>(imc_handles)[i] =
-        nacl::ToNativeHandle(sockets[i]);
-  }
-  // TODO(mseaborn): Remove the arguments nacl_process_handle and
-  // nacl_process_id from the interface.
-  *reinterpret_cast<base::ProcessHandle*>(nacl_process_handle) =
-      (base::ProcessHandle) -1;
-  *nacl_process_id = 0;
-  return true;
-}
-
-int UrandomFD(void) {
-#if defined(OS_POSIX)
-  return GetUrandomFD();
-#else
-  return 0;
-#endif
-}
-
-bool Are3DInterfacesDisabled() {
-  return CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisable3DAPIs);
-}
-
-void EnableBackgroundSelLdrLaunch() {
-  g_background_thread_sender.Get() =
-      RenderThread::Get()->GetSyncMessageFilter();
-}
-
-int BrokerDuplicateHandle(void* source_handle,
-                          unsigned int process_id,
-                          void** target_handle,
-                          unsigned int desired_access,
-                          unsigned int options) {
-#if defined(OS_WIN)
-  return content::BrokerDuplicateHandle(source_handle, process_id,
-                                        target_handle, desired_access,
-                                        options);
-#else
-  return 0;
-#endif
-}
-
-const PPB_NaCl_Private ppb_nacl = {
-  &LaunchSelLdr,
-  &UrandomFD,
-  &Are3DInterfacesDisabled,
-  &EnableBackgroundSelLdrLaunch,
-  &BrokerDuplicateHandle,
-};
-
-class PPB_NaCl_Impl {
- public:
-  // Returns a pointer to the interface implementing PPB_NaCl_Private that is
-  // exposed to the plugin.
-  static const PPB_NaCl_Private* GetInterface() {
-    return &ppb_nacl;
-  }
-};
-#endif  // DISABLE_NACL
-
-const void* ChromePPAPIInterfaceFactory(const std::string& interface_name) {
-#if !defined(DISABLE_NACL)
-  if (interface_name == PPB_NACL_PRIVATE_INTERFACE)
-    return chrome::PPB_NaCl_Impl::GetInterface();
-#endif  // DISABLE_NACL
-  if (interface_name == PPB_PDF_INTERFACE)
-    return chrome::PPB_PDF_Impl::GetInterface();
-  return NULL;
-}
-
-}  // namespace chrome