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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 <vector>
6 
7 #include "ppapi/cpp/dev/scrollbar_dev.h"
8 
9 #include "ppapi/cpp/instance_handle.h"
10 #include "ppapi/cpp/module.h"
11 #include "ppapi/cpp/module_impl.h"
12 #include "ppapi/cpp/rect.h"
13 
14 namespace pp {
15 
16 namespace {
17 
interface_name()18 template <> const char* interface_name<PPB_Scrollbar_Dev>() {
19   return PPB_SCROLLBAR_DEV_INTERFACE;
20 }
21 
22 }  // namespace
23 
Scrollbar_Dev(PP_Resource resource)24 Scrollbar_Dev::Scrollbar_Dev(PP_Resource resource) : Widget_Dev(resource) {
25 }
26 
Scrollbar_Dev(const InstanceHandle & instance,bool vertical)27 Scrollbar_Dev::Scrollbar_Dev(const InstanceHandle& instance, bool vertical) {
28   if (!has_interface<PPB_Scrollbar_Dev>())
29     return;
30   PassRefFromConstructor(get_interface<PPB_Scrollbar_Dev>()->Create(
31       instance.pp_instance(), PP_FromBool(vertical)));
32 }
33 
Scrollbar_Dev(const Scrollbar_Dev & other)34 Scrollbar_Dev::Scrollbar_Dev(const Scrollbar_Dev& other)
35     : Widget_Dev(other) {
36 }
37 
GetThickness()38 uint32_t Scrollbar_Dev::GetThickness() {
39   if (!has_interface<PPB_Scrollbar_Dev>())
40     return 0;
41   return get_interface<PPB_Scrollbar_Dev>()->GetThickness(pp_resource());
42 }
43 
IsOverlay()44 bool Scrollbar_Dev::IsOverlay() {
45   if (!has_interface<PPB_Scrollbar_Dev>())
46     return false;
47   return
48       PP_ToBool(get_interface<PPB_Scrollbar_Dev>()->IsOverlay(pp_resource()));
49 }
50 
GetValue()51 uint32_t Scrollbar_Dev::GetValue() {
52   if (!has_interface<PPB_Scrollbar_Dev>())
53     return 0;
54   return get_interface<PPB_Scrollbar_Dev>()->GetValue(pp_resource());
55 }
56 
SetValue(uint32_t value)57 void Scrollbar_Dev::SetValue(uint32_t value) {
58   if (has_interface<PPB_Scrollbar_Dev>())
59     get_interface<PPB_Scrollbar_Dev>()->SetValue(pp_resource(), value);
60 }
61 
SetDocumentSize(uint32_t size)62 void Scrollbar_Dev::SetDocumentSize(uint32_t size) {
63   if (has_interface<PPB_Scrollbar_Dev>())
64     get_interface<PPB_Scrollbar_Dev>()->SetDocumentSize(pp_resource(), size);
65 }
66 
SetTickMarks(const Rect * tick_marks,uint32_t count)67 void Scrollbar_Dev::SetTickMarks(const Rect* tick_marks, uint32_t count) {
68   if (!has_interface<PPB_Scrollbar_Dev>())
69     return;
70 
71   std::vector<PP_Rect> temp;
72   temp.resize(count);
73   for (uint32_t i = 0; i < count; ++i)
74     temp[i] = tick_marks[i];
75 
76   get_interface<PPB_Scrollbar_Dev>()->SetTickMarks(
77       pp_resource(), count ? &temp[0] : NULL, count);
78 }
79 
ScrollBy(PP_ScrollBy_Dev unit,int32_t multiplier)80 void Scrollbar_Dev::ScrollBy(PP_ScrollBy_Dev unit, int32_t multiplier) {
81   if (has_interface<PPB_Scrollbar_Dev>())
82     get_interface<PPB_Scrollbar_Dev>()->ScrollBy(pp_resource(),
83                                                  unit,
84                                                  multiplier);
85 }
86 
87 }  // namespace pp
88