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author | yzshen@chromium.org <yzshen@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-03-12 17:50:15 +0000 |
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committer | yzshen@chromium.org <yzshen@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-03-12 17:50:15 +0000 |
commit | 470020d2a3558be5acd4b74c29f0df38c9d9edd6 (patch) | |
tree | 8e172ee53536cdf024b8873fe7bc6b0c196c1667 /ppapi/cpp/extensions/event_base.cc | |
parent | 34ee051a834b135745ab07374f838cc7381d908e (diff) | |
download | chromium_src-470020d2a3558be5acd4b74c29f0df38c9d9edd6.zip chromium_src-470020d2a3558be5acd4b74c29f0df38c9d9edd6.tar.gz chromium_src-470020d2a3558be5acd4b74c29f0df38c9d9edd6.tar.bz2 |
Reland: Add C/C++ interfaces for PPB_Ext_Alarms_Dev and PPB_Ext_Events_Dev.
This CL also adds necessary C++ utilities to support these interfaces.
An example of using these APIs:
https://codereview.chromium.org/12387051/
BUG=None
TEST=None
The original CL is here: https://codereview.chromium.org/12295043/
Review URL: https://codereview.chromium.org/12755016
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@187610 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'ppapi/cpp/extensions/event_base.cc')
-rw-r--r-- | ppapi/cpp/extensions/event_base.cc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ppapi/cpp/extensions/event_base.cc b/ppapi/cpp/extensions/event_base.cc new file mode 100644 index 0000000..210b213 --- /dev/null +++ b/ppapi/cpp/extensions/event_base.cc @@ -0,0 +1,44 @@ +// Copyright (c) 2013 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 "ppapi/cpp/extensions/event_base.h" + +#include "ppapi/cpp/extensions/dev/events_dev.h" + +namespace pp { +namespace ext { +namespace internal { + +GenericEventBase::GenericEventBase( + const InstanceHandle& instance, + const PP_Ext_EventListener& pp_listener) + : instance_(instance), + listener_id_(0), + pp_listener_(pp_listener) { +} + +GenericEventBase::~GenericEventBase() { + StopListening(); +} + +bool GenericEventBase::StartListening() { + if (IsListening()) + return true; + + listener_id_ = events::Events_Dev::AddListener(instance_.pp_instance(), + pp_listener_); + return IsListening(); +} + +void GenericEventBase::StopListening() { + if (!IsListening()) + return; + + events::Events_Dev::RemoveListener(instance_.pp_instance(), listener_id_); + listener_id_ = 0; +} + +} // namespace internal +} // namespace ext +} // namespace pp |