1// Copyright (c) 2010 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/dev/zoom_dev.h"
6
7#include "ppapi/c/dev/ppb_zoom_dev.h"
8#include "ppapi/cpp/instance.h"
9#include "ppapi/cpp/instance_handle.h"
10#include "ppapi/cpp/module.h"
11#include "ppapi/cpp/module_impl.h"
12
13namespace pp {
14
15namespace {
16
17static const char kPPPZoomInterface[] = PPP_ZOOM_DEV_INTERFACE;
18
19void Zoom(PP_Instance instance,
20          double factor,
21          PP_Bool text_only) {
22  void* object = Instance::GetPerInstanceObject(instance, kPPPZoomInterface);
23  if (!object)
24    return;
25  static_cast<Zoom_Dev*>(object)->Zoom(factor, PP_ToBool(text_only));
26}
27
28const PPP_Zoom_Dev ppp_zoom = {
29  &Zoom
30};
31
32template <> const char* interface_name<PPB_Zoom_Dev>() {
33  return PPB_ZOOM_DEV_INTERFACE;
34}
35
36}  // namespace
37
38Zoom_Dev::Zoom_Dev(Instance* instance) : associated_instance_(instance) {
39  Module::Get()->AddPluginInterface(kPPPZoomInterface, &ppp_zoom);
40  instance->AddPerInstanceObject(kPPPZoomInterface, this);
41}
42
43Zoom_Dev::~Zoom_Dev() {
44  Instance::RemovePerInstanceObject(associated_instance_,
45                                    kPPPZoomInterface, this);
46}
47
48void Zoom_Dev::ZoomChanged(double factor) {
49  if (has_interface<PPB_Zoom_Dev>())
50    get_interface<PPB_Zoom_Dev>()->ZoomChanged(
51        associated_instance_.pp_instance(), factor);
52}
53
54void Zoom_Dev::ZoomLimitsChanged(double minimum_factor,
55                                 double maximium_factor) {
56  if (!has_interface<PPB_Zoom_Dev>())
57    return;
58  get_interface<PPB_Zoom_Dev>()->ZoomLimitsChanged(
59      associated_instance_.pp_instance(), minimum_factor, maximium_factor);
60}
61
62}  // namespace pp
63