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      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/dev/ime_input_event_dev.h"
      6 
      7 #include "ppapi/cpp/instance.h"
      8 #include "ppapi/cpp/module.h"
      9 #include "ppapi/cpp/module_impl.h"
     10 #include "ppapi/cpp/var.h"
     11 
     12 namespace pp {
     13 
     14 namespace {
     15 
     16 template <> const char* interface_name<PPB_IMEInputEvent_Dev_0_2>() {
     17   return PPB_IME_INPUT_EVENT_DEV_INTERFACE_0_2;
     18 }
     19 
     20 template <> const char* interface_name<PPB_IMEInputEvent_Dev_0_1>() {
     21   return PPB_IME_INPUT_EVENT_DEV_INTERFACE_0_1;
     22 }
     23 
     24 }  // namespace
     25 
     26 // IMEInputEvent_Dev -------------------------------------------------------
     27 
     28 IMEInputEvent_Dev::IMEInputEvent_Dev() : InputEvent() {
     29 }
     30 
     31 IMEInputEvent_Dev::IMEInputEvent_Dev(const InputEvent& event) : InputEvent() {
     32   bool is_ime_event = false;
     33   if (has_interface<PPB_IMEInputEvent_Dev_0_2>()) {
     34     if (get_interface<PPB_IMEInputEvent_Dev_0_2>()->IsIMEInputEvent(
     35         event.pp_resource())) {
     36       is_ime_event = true;
     37     }
     38   } else if (has_interface<PPB_IMEInputEvent_Dev_0_1>()) {
     39     if (get_interface<PPB_IMEInputEvent_Dev_0_1>()->IsIMEInputEvent(
     40         event.pp_resource())) {
     41       is_ime_event = true;
     42     }
     43   }
     44 
     45   if (is_ime_event) {
     46     Module::Get()->core()->AddRefResource(event.pp_resource());
     47     PassRefFromConstructor(event.pp_resource());
     48   }
     49 }
     50 
     51 IMEInputEvent_Dev::IMEInputEvent_Dev(
     52     const InstanceHandle& instance,
     53     PP_InputEvent_Type type,
     54     PP_TimeTicks time_stamp,
     55     const Var& text,
     56     const std::vector<uint32_t>& segment_offsets,
     57     int32_t target_segment,
     58     const std::pair<uint32_t, uint32_t>& selection) : InputEvent() {
     59   if (!has_interface<PPB_IMEInputEvent_Dev_0_2>())
     60     return;
     61   uint32_t dummy = 0;
     62   PassRefFromConstructor(get_interface<PPB_IMEInputEvent_Dev_0_2>()->Create(
     63       instance.pp_instance(), type, time_stamp, text.pp_var(),
     64       segment_offsets.empty() ? 0 : segment_offsets.size() - 1,
     65       segment_offsets.empty() ? &dummy : &segment_offsets[0],
     66       target_segment, selection.first, selection.second));
     67 }
     68 
     69 
     70 Var IMEInputEvent_Dev::GetText() const {
     71   if (has_interface<PPB_IMEInputEvent_Dev_0_2>()) {
     72     return Var(PASS_REF,
     73                get_interface<PPB_IMEInputEvent_Dev_0_2>()->GetText(
     74                    pp_resource()));
     75   } else if (has_interface<PPB_IMEInputEvent_Dev_0_1>()) {
     76     return Var(PASS_REF,
     77                get_interface<PPB_IMEInputEvent_Dev_0_1>()->GetText(
     78                    pp_resource()));
     79   }
     80   return Var();
     81 }
     82 
     83 uint32_t IMEInputEvent_Dev::GetSegmentNumber() const {
     84   if (has_interface<PPB_IMEInputEvent_Dev_0_2>()) {
     85     return get_interface<PPB_IMEInputEvent_Dev_0_2>()->GetSegmentNumber(
     86         pp_resource());
     87   } else if (has_interface<PPB_IMEInputEvent_Dev_0_1>()) {
     88     return get_interface<PPB_IMEInputEvent_Dev_0_1>()->GetSegmentNumber(
     89         pp_resource());
     90   }
     91   return 0;
     92 }
     93 
     94 uint32_t IMEInputEvent_Dev::GetSegmentOffset(uint32_t index) const {
     95   if (has_interface<PPB_IMEInputEvent_Dev_0_2>()) {
     96     return get_interface<PPB_IMEInputEvent_Dev_0_2>()->GetSegmentOffset(
     97         pp_resource(), index);
     98   } else if (has_interface<PPB_IMEInputEvent_Dev_0_1>()) {
     99     return get_interface<PPB_IMEInputEvent_Dev_0_1>()->GetSegmentOffset(
    100         pp_resource(), index);
    101   }
    102   return 0;
    103 }
    104 
    105 int32_t IMEInputEvent_Dev::GetTargetSegment() const {
    106   if (has_interface<PPB_IMEInputEvent_Dev_0_2>()) {
    107     return get_interface<PPB_IMEInputEvent_Dev_0_2>()->GetTargetSegment(
    108         pp_resource());
    109   } else if (has_interface<PPB_IMEInputEvent_Dev_0_1>()) {
    110     return get_interface<PPB_IMEInputEvent_Dev_0_1>()->GetTargetSegment(
    111         pp_resource());
    112   }
    113   return 0;
    114 }
    115 
    116 std::pair<uint32_t, uint32_t> IMEInputEvent_Dev::GetSelection() const {
    117   std::pair<uint32_t, uint32_t> range(0, 0);
    118   if (has_interface<PPB_IMEInputEvent_Dev_0_2>()) {
    119     get_interface<PPB_IMEInputEvent_Dev_0_2>()->GetSelection(pp_resource(),
    120                                                          &range.first,
    121                                                          &range.second);
    122   } else if (has_interface<PPB_IMEInputEvent_Dev_0_1>()) {
    123     get_interface<PPB_IMEInputEvent_Dev_0_1>()->GetSelection(pp_resource(),
    124                                                              &range.first,
    125                                                              &range.second);
    126   }
    127   return range;
    128 }
    129 
    130 
    131 }  // namespace pp
    132