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 "ppapi/cpp/mouse_lock.h"
6
7#include "ppapi/c/ppb_mouse_lock.h"
8#include "ppapi/c/ppp_mouse_lock.h"
9#include "ppapi/cpp/completion_callback.h"
10#include "ppapi/cpp/instance.h"
11#include "ppapi/cpp/instance_handle.h"
12#include "ppapi/cpp/module.h"
13#include "ppapi/cpp/module_impl.h"
14
15namespace pp {
16
17namespace {
18
19static const char kPPPMouseLockInterface[] = PPP_MOUSELOCK_INTERFACE;
20
21void MouseLockLost(PP_Instance instance) {
22  void* object =
23      Instance::GetPerInstanceObject(instance, kPPPMouseLockInterface);
24  if (!object)
25    return;
26  static_cast<MouseLock*>(object)->MouseLockLost();
27}
28
29const PPP_MouseLock ppp_mouse_lock = {
30  &MouseLockLost
31};
32
33template <> const char* interface_name<PPB_MouseLock_1_0>() {
34  return PPB_MOUSELOCK_INTERFACE_1_0;
35}
36
37}  // namespace
38
39MouseLock::MouseLock(Instance* instance)
40    : associated_instance_(instance) {
41  Module::Get()->AddPluginInterface(kPPPMouseLockInterface, &ppp_mouse_lock);
42  instance->AddPerInstanceObject(kPPPMouseLockInterface, this);
43}
44
45MouseLock::~MouseLock() {
46  Instance::RemovePerInstanceObject(associated_instance_,
47                                    kPPPMouseLockInterface, this);
48}
49
50int32_t MouseLock::LockMouse(const CompletionCallback& cc) {
51  if (!has_interface<PPB_MouseLock_1_0>())
52    return cc.MayForce(PP_ERROR_NOINTERFACE);
53  return get_interface<PPB_MouseLock_1_0>()->LockMouse(
54      associated_instance_.pp_instance(), cc.pp_completion_callback());
55}
56
57void MouseLock::UnlockMouse() {
58  if (has_interface<PPB_MouseLock_1_0>()) {
59    get_interface<PPB_MouseLock_1_0>()->UnlockMouse(
60        associated_instance_.pp_instance());
61  }
62}
63
64}  // namespace pp
65