ppapi/cpp/dev/text_input_dev.cc

   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/text_input_dev.h"
   6
   7 #include "ppapi/c/dev/ppp_text_input_dev.h"
   8 #include "ppapi/cpp/instance.h"
   9 #include "ppapi/cpp/instance_handle.h"
  10 #include "ppapi/cpp/module_impl.h"
  11 #include "ppapi/cpp/rect.h"
  12
  13 namespace pp {
  14
  15 namespace {
  16
  17 static const char kPPPTextInputInterface[] = PPP_TEXTINPUT_DEV_INTERFACE;
  18
  19 void RequestSurroundingText(PP_Instance instance,
  20                             uint32_t desired_number_of_characters) {
  21   void* object = Instance::GetPerInstanceObject(instance,
  22                                                 kPPPTextInputInterface);
  23   if (!object)
  24     return;
  25   static_cast<TextInput_Dev*>(object)->RequestSurroundingText(
  26       desired_number_of_characters);
  27 }
  28
  29 const PPP_TextInput_Dev ppp_text_input = {
  30   &RequestSurroundingText
  31 };
  32
  33 template <> const char* interface_name<PPB_TextInput_Dev_0_2>() {
  34   return PPB_TEXTINPUT_DEV_INTERFACE_0_2;
  35 }
  36
  37 template <> const char* interface_name<PPB_TextInput_Dev_0_1>() {
  38   return PPB_TEXTINPUT_DEV_INTERFACE_0_1;
  39 }
  40
  41 }  // namespace
  42
  43
  44 TextInput_Dev::TextInput_Dev(Instance* instance)
  45     : instance_(instance) {
  46   Module::Get()->AddPluginInterface(kPPPTextInputInterface,
  47                                     &ppp_text_input);
  48   instance->AddPerInstanceObject(kPPPTextInputInterface, this);
  49 }
  50
  51 TextInput_Dev::~TextInput_Dev() {
  52   Instance::RemovePerInstanceObject(instance_, kPPPTextInputInterface, this);
  53 }
  54
  55 void TextInput_Dev::RequestSurroundingText(uint32_t) {
  56   // Default implementation. Send a null range.
  57   UpdateSurroundingText(std::string(), 0, 0);
  58 }
  59
  60 void TextInput_Dev::SetTextInputType(PP_TextInput_Type type) {
  61   if (has_interface<PPB_TextInput_Dev_0_2>()) {
  62     get_interface<PPB_TextInput_Dev_0_2>()->SetTextInputType(
  63         instance_.pp_instance(), type);
  64   } else if (has_interface<PPB_TextInput_Dev_0_1>()) {
  65     get_interface<PPB_TextInput_Dev_0_1>()->SetTextInputType(
  66         instance_.pp_instance(), type);
  67   }
  68 }
  69
  70 void TextInput_Dev::UpdateCaretPosition(const Rect& caret,
  71                                         const Rect& bounding_box) {
  72   if (has_interface<PPB_TextInput_Dev_0_2>()) {
  73     get_interface<PPB_TextInput_Dev_0_2>()->UpdateCaretPosition(
  74         instance_.pp_instance(), &caret.pp_rect(), &bounding_box.pp_rect());
  75   } else if (has_interface<PPB_TextInput_Dev_0_1>()) {
  76     get_interface<PPB_TextInput_Dev_0_1>()->UpdateCaretPosition(
  77         instance_.pp_instance(), &caret.pp_rect(), &bounding_box.pp_rect());
  78   }
  79 }
  80
  81 void TextInput_Dev::CancelCompositionText() {
  82   if (has_interface<PPB_TextInput_Dev_0_2>()) {
  83     get_interface<PPB_TextInput_Dev_0_2>()->CancelCompositionText(
  84         instance_.pp_instance());
  85   } else if (has_interface<PPB_TextInput_Dev_0_1>()) {
  86     get_interface<PPB_TextInput_Dev_0_1>()->CancelCompositionText(
  87         instance_.pp_instance());
  88   }
  89 }
  90
  91 void TextInput_Dev::SelectionChanged() {
  92   if (has_interface<PPB_TextInput_Dev_0_2>()) {
  93     get_interface<PPB_TextInput_Dev_0_2>()->SelectionChanged(
  94         instance_.pp_instance());
  95   }
  96 }
  97
  98 void TextInput_Dev::UpdateSurroundingText(const std::string& text,
  99                                           uint32_t caret,
 100                                           uint32_t anchor) {
 101   if (has_interface<PPB_TextInput_Dev_0_2>()) {
 102     get_interface<PPB_TextInput_Dev_0_2>()->UpdateSurroundingText(
 103         instance_.pp_instance(), text.c_str(), caret, anchor);
 104   }
 105 }
 106
 107
 108 }  // namespace pp