content/browser/in_process_io_surface_manager_mac.cc

   1 // Copyright 2015 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/browser/in_process_io_surface_manager_mac.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace content {
  10
  11 // static
  12 InProcessIOSurfaceManager* InProcessIOSurfaceManager::GetInstance() {
  13   return base::Singleton<
  14       InProcessIOSurfaceManager,
  15       base::LeakySingletonTraits<InProcessIOSurfaceManager>>::get();
  16 }
  17
  18 bool InProcessIOSurfaceManager::RegisterIOSurface(IOSurfaceId io_surface_id,
  19                                                   int client_id,
  20                                                   IOSurfaceRef io_surface) {
  21   base::AutoLock lock(lock_);
  22
  23   DCHECK(io_surfaces_.find(io_surface_id) == io_surfaces_.end());
  24   io_surfaces_.add(io_surface_id,
  25                    make_scoped_ptr(new base::mac::ScopedMachSendRight(
  26                        IOSurfaceCreateMachPort(io_surface))));
  27   return true;
  28 }
  29
  30 void InProcessIOSurfaceManager::UnregisterIOSurface(IOSurfaceId io_surface_id,
  31                                                     int client_id) {
  32   base::AutoLock lock(lock_);
  33
  34   DCHECK(io_surfaces_.find(io_surface_id) != io_surfaces_.end());
  35   io_surfaces_.erase(io_surface_id);
  36 }
  37
  38 IOSurfaceRef InProcessIOSurfaceManager::AcquireIOSurface(
  39     IOSurfaceId io_surface_id) {
  40   base::AutoLock lock(lock_);
  41
  42   DCHECK(io_surfaces_.find(io_surface_id) != io_surfaces_.end());
  43   return IOSurfaceLookupFromMachPort(io_surfaces_.get(io_surface_id)->get());
  44 }
  45
  46 InProcessIOSurfaceManager::InProcessIOSurfaceManager() {
  47 }
  48
  49 InProcessIOSurfaceManager::~InProcessIOSurfaceManager() {
  50 }
  51
  52 }  // namespace content