content/renderer/pepper/pepper_proxy_channel_delegate_impl.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 "content/renderer/pepper/pepper_proxy_channel_delegate_impl.h"
   6
   7 #include "content/child/child_process.h"
   8 #include "content/common/sandbox_util.h"
   9
  10 #if defined(OS_WIN) || defined(OS_MACOSX)
  11 #include "content/public/common/sandbox_init.h"
  12 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  13
  14 namespace content {
  15
  16 PepperProxyChannelDelegateImpl::~PepperProxyChannelDelegateImpl() {}
  17
  18 base::SingleThreadTaskRunner*
  19 PepperProxyChannelDelegateImpl::GetIPCTaskRunner() {
  20   // This is called only in the renderer so we know we have a child process.
  21   DCHECK(ChildProcess::current()) << "Must be in the renderer.";
  22   return ChildProcess::current()->io_task_runner();
  23 }
  24
  25 base::WaitableEvent* PepperProxyChannelDelegateImpl::GetShutdownEvent() {
  26   DCHECK(ChildProcess::current()) << "Must be in the renderer.";
  27   return ChildProcess::current()->GetShutDownEvent();
  28 }
  29
  30 IPC::PlatformFileForTransit
  31 PepperProxyChannelDelegateImpl::ShareHandleWithRemote(
  32     base::PlatformFile handle,
  33     base::ProcessId remote_pid,
  34     bool should_close_source) {
  35   return BrokerGetFileHandleForProcess(handle, remote_pid, should_close_source);
  36 }
  37
  38 base::SharedMemoryHandle
  39 PepperProxyChannelDelegateImpl::ShareSharedMemoryHandleWithRemote(
  40     const base::SharedMemoryHandle& handle,
  41     base::ProcessId remote_pid) {
  42 #if defined(OS_WIN) || defined(OS_MACOSX)
  43   base::SharedMemoryHandle duped_handle;
  44   bool success =
  45       BrokerDuplicateSharedMemoryHandle(handle, remote_pid, &duped_handle);
  46   if (success)
  47     return duped_handle;
  48   return base::SharedMemory::NULLHandle();
  49 #else
  50   return base::SharedMemory::DuplicateHandle(handle);
  51 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  52 }
  53
  54 }  // namespace content