Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 | |
| 15 | namespace pp { |
| 16 | |
| 17 | namespace { |
| 18 | |
| 19 | static const char kPPPMouseLockInterface[] = PPP_MOUSELOCK_INTERFACE; |
| 20 | |
| 21 | void 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 | |
| 29 | const PPP_MouseLock ppp_mouse_lock = { |
| 30 | &MouseLockLost |
| 31 | }; |
| 32 | |
| 33 | template <> const char* interface_name<PPB_MouseLock_1_0>() { |
| 34 | return PPB_MOUSELOCK_INTERFACE_1_0; |
| 35 | } |
| 36 | |
| 37 | } // namespace |
| 38 | |
| 39 | MouseLock::MouseLock(Instance* instance) |
| 40 | : associated_instance_(instance) { |
| 41 | Module::Get()->AddPluginInterface(kPPPMouseLockInterface, &ppp_mouse_lock); |
| 42 | instance->AddPerInstanceObject(kPPPMouseLockInterface, this); |
| 43 | } |
| 44 | |
| 45 | MouseLock::~MouseLock() { |
| 46 | Instance::RemovePerInstanceObject(associated_instance_, |
| 47 | kPPPMouseLockInterface, this); |
| 48 | } |
| 49 | |
| 50 | int32_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 | |
| 57 | void 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 |