fpdfsdk/javascript/event.cpp

// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "fpdfsdk/javascript/event.h"

#include "fpdfsdk/javascript/Field.h"
#include "fpdfsdk/javascript/JS_Define.h"
#include "fpdfsdk/javascript/JS_EventHandler.h"
#include "fpdfsdk/javascript/JS_Object.h"
#include "fpdfsdk/javascript/JS_Value.h"
#include "fpdfsdk/javascript/cjs_event_context.h"

JSConstSpec CJS_Event::ConstSpecs[] = {{0, JSConstSpec::Number, 0, 0}};

JSPropertySpec CJS_Event::PropertySpecs[] = {
    {"change", get_change_static, set_change_static},
    {"changeEx", get_changeEx_static, set_changeEx_static},
    {"commitKey", get_commitKey_static, set_commitKey_static},
    {"fieldFull", get_fieldFull_static, set_fieldFull_static},
    {"keyDown", get_keyDown_static, set_keyDown_static},
    {"modifier", get_modifier_static, set_modifier_static},
    {"name", get_name_static, set_name_static},
    {"rc", get_rc_static, set_rc_static},
    {"richChange", get_richChange_static, set_richChange_static},
    {"richChangeEx", get_richChangeEx_static, set_richChangeEx_static},
    {"richValue", get_richValue_static, set_richValue_static},
    {"selEnd", get_selEnd_static, set_selEnd_static},
    {"selStart", get_selStart_static, set_selStart_static},
    {"shift", get_shift_static, set_shift_static},
    {"source", get_source_static, set_source_static},
    {"target", get_target_static, set_target_static},
    {"targetName", get_targetName_static, set_targetName_static},
    {"type", get_type_static, set_type_static},
    {"value", get_value_static, set_value_static},
    {"willCommit", get_willCommit_static, set_willCommit_static},
    {0, 0, 0}};

JSMethodSpec CJS_Event::MethodSpecs[] = {{0, 0}};

IMPLEMENT_JS_CLASS(CJS_Event, event)

event::event(CJS_Object* pJsObject) : CJS_EmbedObj(pJsObject) {}

event::~event() {}

bool event::change(CJS_Runtime* pRuntime,
                   CJS_PropValue& vp,
                   CFX_WideString& sError) {
  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();
  CFX_WideString& wChange = pEvent->Change();
  if (vp.IsSetting()) {
    if (vp.GetJSValue()->GetType() == CJS_Value::VT_string)
      vp >> wChange;
    return true;
  }
  vp << wChange;
  return true;
}

bool event::changeEx(CJS_Runtime* pRuntime,
                     CJS_PropValue& vp,
                     CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->ChangeEx();
  return true;
}

bool event::commitKey(CJS_Runtime* pRuntime,
                      CJS_PropValue& vp,
                      CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->CommitKey();
  return true;
}

bool event::fieldFull(CJS_Runtime* pRuntime,
                      CJS_PropValue& vp,
                      CFX_WideString& sError) {
  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  if (!vp.IsGetting() &&
      wcscmp((const wchar_t*)pEvent->Name(), L"Keystroke") != 0)
    return false;

  vp << pEvent->FieldFull();
  return true;
}

bool event::keyDown(CJS_Runtime* pRuntime,
                    CJS_PropValue& vp,
                    CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->KeyDown();
  return true;
}

bool event::modifier(CJS_Runtime* pRuntime,
                     CJS_PropValue& vp,
                     CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->Modifier();
  return true;
}

bool event::name(CJS_Runtime* pRuntime,
                 CJS_PropValue& vp,
                 CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->Name();
  return true;
}

bool event::rc(CJS_Runtime* pRuntime,
               CJS_PropValue& vp,
               CFX_WideString& sError) {
  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  bool& bRc = pEvent->Rc();
  if (vp.IsSetting())
    vp >> bRc;
  else
    vp << bRc;

  return true;
}

bool event::richChange(CJS_Runtime* pRuntime,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
  return true;
}

bool event::richChangeEx(CJS_Runtime* pRuntime,
                         CJS_PropValue& vp,
                         CFX_WideString& sError) {
  return true;
}

bool event::richValue(CJS_Runtime* pRuntime,
                      CJS_PropValue& vp,
                      CFX_WideString& sError) {
  return true;
}

bool event::selEnd(CJS_Runtime* pRuntime,
                   CJS_PropValue& vp,
                   CFX_WideString& sError) {
  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  if (wcscmp((const wchar_t*)pEvent->Name(), L"Keystroke") != 0)
    return true;

  int& iSelEnd = pEvent->SelEnd();
  if (vp.IsSetting())
    vp >> iSelEnd;
  else
    vp << iSelEnd;

  return true;
}

bool event::selStart(CJS_Runtime* pRuntime,
                     CJS_PropValue& vp,
                     CFX_WideString& sError) {
  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  if (wcscmp((const wchar_t*)pEvent->Name(), L"Keystroke") != 0)
    return true;

  int& iSelStart = pEvent->SelStart();
  if (vp.IsSetting())
    vp >> iSelStart;
  else
    vp << iSelStart;

  return true;
}

bool event::shift(CJS_Runtime* pRuntime,
                  CJS_PropValue& vp,
                  CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->Shift();
  return true;
}

bool event::source(CJS_Runtime* pRuntime,
                   CJS_PropValue& vp,
                   CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->Source()->GetJSObject();
  return true;
}

bool event::target(CJS_Runtime* pRuntime,
                   CJS_PropValue& vp,
                   CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->Target_Field()->GetJSObject();
  return true;
}

bool event::targetName(CJS_Runtime* pRuntime,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->TargetName();
  return true;
}

bool event::type(CJS_Runtime* pRuntime,
                 CJS_PropValue& vp,
                 CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->Type();
  return true;
}

bool event::value(CJS_Runtime* pRuntime,
                  CJS_PropValue& vp,
                  CFX_WideString& sError) {
  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  if (wcscmp((const wchar_t*)pEvent->Type(), L"Field") != 0)
    return false;

  if (!pEvent->m_pValue)
    return false;

  CFX_WideString& val = pEvent->Value();
  if (vp.IsSetting())
    vp >> val;
  else
    vp << val;

  return true;
}

bool event::willCommit(CJS_Runtime* pRuntime,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
  if (!vp.IsGetting())
    return false;

  CJS_EventHandler* pEvent =
      pRuntime->GetCurrentEventContext()->GetEventHandler();

  vp << pEvent->WillCommit();
  return true;
}