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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 
     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
     88