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text_input_dev.cc
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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/cpp/dev/text_input_dev.h"
#include "ppapi/c/dev/ppp_text_input_dev.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/module_impl.h"
#include "ppapi/cpp/rect.h"
namespace pp {
namespace {
static const char kPPPTextInputInterface[] = PPP_TEXTINPUT_DEV_INTERFACE;
void RequestSurroundingText(PP_Instance instance,
uint32_t desired_number_of_characters) {
void* object = Instance::GetPerInstanceObject(instance,
kPPPTextInputInterface);
if (!object)
return;
static_cast<TextInput_Dev*>(object)->RequestSurroundingText(
desired_number_of_characters);
}
const PPP_TextInput_Dev ppp_text_input = {
&RequestSurroundingText
};
template <> const char* interface_name<PPB_TextInput_Dev_0_2>() {
return PPB_TEXTINPUT_DEV_INTERFACE_0_2;
}
template <> const char* interface_name<PPB_TextInput_Dev_0_1>() {
return PPB_TEXTINPUT_DEV_INTERFACE_0_1;
}
} // namespace
TextInput_Dev::TextInput_Dev(Instance* instance)
: instance_(instance) {
Module::Get()->AddPluginInterface(kPPPTextInputInterface,
&ppp_text_input);
instance->AddPerInstanceObject(kPPPTextInputInterface, this);
}
TextInput_Dev::~TextInput_Dev() {
Instance::RemovePerInstanceObject(instance_, kPPPTextInputInterface, this);
}
void TextInput_Dev::RequestSurroundingText(uint32_t) {
// Default implementation. Send a null range.
UpdateSurroundingText(std::string(), 0, 0);
}
void TextInput_Dev::SetTextInputType(PP_TextInput_Type_Dev type) {
if (has_interface<PPB_TextInput_Dev_0_2>()) {
get_interface<PPB_TextInput_Dev_0_2>()->SetTextInputType(
instance_.pp_instance(), type);
} else if (has_interface<PPB_TextInput_Dev_0_1>()) {
get_interface<PPB_TextInput_Dev_0_1>()->SetTextInputType(
instance_.pp_instance(), type);
}
}
void TextInput_Dev::UpdateCaretPosition(const Rect& caret,
const Rect& bounding_box) {
if (has_interface<PPB_TextInput_Dev_0_2>()) {
get_interface<PPB_TextInput_Dev_0_2>()->UpdateCaretPosition(
instance_.pp_instance(), &caret.pp_rect(), &bounding_box.pp_rect());
} else if (has_interface<PPB_TextInput_Dev_0_1>()) {
get_interface<PPB_TextInput_Dev_0_1>()->UpdateCaretPosition(
instance_.pp_instance(), &caret.pp_rect(), &bounding_box.pp_rect());
}
}
void TextInput_Dev::CancelCompositionText() {
if (has_interface<PPB_TextInput_Dev_0_2>()) {
get_interface<PPB_TextInput_Dev_0_2>()->CancelCompositionText(
instance_.pp_instance());
} else if (has_interface<PPB_TextInput_Dev_0_1>()) {
get_interface<PPB_TextInput_Dev_0_1>()->CancelCompositionText(
instance_.pp_instance());
}
}
void TextInput_Dev::SelectionChanged() {
if (has_interface<PPB_TextInput_Dev_0_2>()) {
get_interface<PPB_TextInput_Dev_0_2>()->SelectionChanged(
instance_.pp_instance());
}
}
void TextInput_Dev::UpdateSurroundingText(const std::string& text,
uint32_t caret,
uint32_t anchor) {
if (has_interface<PPB_TextInput_Dev_0_2>()) {
get_interface<PPB_TextInput_Dev_0_2>()->UpdateSurroundingText(
instance_.pp_instance(), text.c_str(), caret, anchor);
}
}
} // namespace pp