diff options
Diffstat (limited to 'ipc/chromium/src/chrome/common/mach_message_source_mac.cc')
-rw-r--r-- | ipc/chromium/src/chrome/common/mach_message_source_mac.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/ipc/chromium/src/chrome/common/mach_message_source_mac.cc b/ipc/chromium/src/chrome/common/mach_message_source_mac.cc new file mode 100644 index 0000000000..d3be7efdb5 --- /dev/null +++ b/ipc/chromium/src/chrome/common/mach_message_source_mac.cc @@ -0,0 +1,61 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2008 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/common/mach_message_source_mac.h" + +#include "base/logging.h" + +MachMessageSource::MachMessageSource(mach_port_t port, + MachPortListener* msg_listener, + bool* success) { + DCHECK(msg_listener); + DCHECK(success); + DCHECK(port != MACH_PORT_NULL); + + CFMachPortContext port_context = {0}; + port_context.info = msg_listener; + + scoped_cftyperef<CFMachPortRef> cf_mach_port_ref(CFMachPortCreateWithPort( + kCFAllocatorDefault, port, MachMessageSource::OnReceiveMachMessage, + &port_context, NULL)); + + if (cf_mach_port_ref.get() == NULL) { + CHROMIUM_LOG(WARNING) << "CFMachPortCreate failed"; + *success = false; + return; + } + + // Create a RL source. + machport_runloop_ref_.reset(CFMachPortCreateRunLoopSource( + kCFAllocatorDefault, cf_mach_port_ref.get(), 0)); + + if (machport_runloop_ref_.get() == NULL) { + CHROMIUM_LOG(WARNING) << "CFMachPortCreateRunLoopSource failed"; + *success = false; + return; + } + + CFRunLoopAddSource(CFRunLoopGetCurrent(), machport_runloop_ref_.get(), + kCFRunLoopCommonModes); + *success = true; +} + +MachMessageSource::~MachMessageSource() { + CFRunLoopRemoveSource(CFRunLoopGetCurrent(), machport_runloop_ref_.get(), + kCFRunLoopCommonModes); +} + +// static +void MachMessageSource::OnReceiveMachMessage(CFMachPortRef port, void* msg, + CFIndex size, void* closure) { + MachPortListener* msg_listener = static_cast<MachPortListener*>(closure); + size_t msg_size = (size < 0) ? 0 : static_cast<size_t>(size); + DCHECK(msg && msg_size > 0); // this should never happen! + + if (msg_listener && msg && msg_size > 0) { + msg_listener->OnMachMessageReceived(msg, msg_size); + } +} |