ppapi/cpp/dev/scrollbar_dev.cc

   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
  18 template <> const char* interface_name<PPB_Scrollbar_Dev>() {
  19   return PPB_SCROLLBAR_DEV_INTERFACE;
  20 }
  21
  22 }  // namespace
  23
  24 Scrollbar_Dev::Scrollbar_Dev(PP_Resource resource) : Widget_Dev(resource) {
  25 }
  26
  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
  34 Scrollbar_Dev::Scrollbar_Dev(const Scrollbar_Dev& other)
  35     : Widget_Dev(other) {
  36 }
  37
  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
  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
  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
  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
  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
  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
  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