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

#include "components/pdf/renderer/pdf_resource_util.h"

#include "base/strings/utf_string_conversions.h"
#include "components/strings/grit/components_strings.h"
#include "grit/components_scaled_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"

namespace {

struct ResourceImageInfo {
  PP_ResourceImage pp_id;
  int res_id;
};

static const ResourceImageInfo kResourceImageMap[] = {
    {PP_RESOURCEIMAGE_PDF_BUTTON_FTP, IDR_PDF_BUTTON_FTP},
    {PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER, IDR_PDF_BUTTON_FTP_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED, IDR_PDF_BUTTON_FTP_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_FTW, IDR_PDF_BUTTON_FTW},
    {PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER, IDR_PDF_BUTTON_FTW_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED, IDR_PDF_BUTTON_FTW_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END, IDR_PDF_BUTTON_ZOOMIN_END},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER,
     IDR_PDF_BUTTON_ZOOMIN_END_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED,
     IDR_PDF_BUTTON_ZOOMIN_END_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN, IDR_PDF_BUTTON_ZOOMIN},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER, IDR_PDF_BUTTON_ZOOMIN_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED, IDR_PDF_BUTTON_ZOOMIN_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT, IDR_PDF_BUTTON_ZOOMOUT},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER, IDR_PDF_BUTTON_ZOOMOUT_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED,
     IDR_PDF_BUTTON_ZOOMOUT_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE, IDR_PDF_BUTTON_SAVE},
    {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER, IDR_PDF_BUTTON_SAVE_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED, IDR_PDF_BUTTON_SAVE_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT, IDR_PDF_BUTTON_PRINT},
    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER, IDR_PDF_BUTTON_PRINT_HOVER},
    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED, IDR_PDF_BUTTON_PRINT_PRESSED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED, IDR_PDF_BUTTON_PRINT_DISABLED},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_0, IDR_PDF_THUMBNAIL_0},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_1, IDR_PDF_THUMBNAIL_1},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_2, IDR_PDF_THUMBNAIL_2},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_3, IDR_PDF_THUMBNAIL_3},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_4, IDR_PDF_THUMBNAIL_4},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_5, IDR_PDF_THUMBNAIL_5},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_6, IDR_PDF_THUMBNAIL_6},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_7, IDR_PDF_THUMBNAIL_7},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_8, IDR_PDF_THUMBNAIL_8},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_9, IDR_PDF_THUMBNAIL_9},
    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_NUM_BACKGROUND,
     IDR_PDF_THUMBNAIL_NUM_BACKGROUND},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_0, IDR_PDF_PROGRESS_BAR_0},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_1, IDR_PDF_PROGRESS_BAR_1},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_2, IDR_PDF_PROGRESS_BAR_2},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_3, IDR_PDF_PROGRESS_BAR_3},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_4, IDR_PDF_PROGRESS_BAR_4},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_5, IDR_PDF_PROGRESS_BAR_5},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6, IDR_PDF_PROGRESS_BAR_6},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7, IDR_PDF_PROGRESS_BAR_7},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8, IDR_PDF_PROGRESS_BAR_8},
    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND,
     IDR_PDF_PROGRESS_BAR_BACKGROUND},
    {PP_RESOURCEIMAGE_PDF_PAGE_INDICATOR_BACKGROUND,
     IDR_PDF_PAGE_INDICATOR_BACKGROUND},
    {PP_RESOURCEIMAGE_PDF_PAGE_DROPSHADOW, IDR_PDF_PAGE_DROPSHADOW},
    {PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON, IDR_PDF_PAN_SCROLL_ICON},
};

}  // namespace

namespace pdf {

gfx::ImageSkia* GetImageResource(PP_ResourceImage image_id) {
  int resource_id = 0;
  for (size_t i = 0; i < arraysize(kResourceImageMap); ++i) {
    if (kResourceImageMap[i].pp_id == image_id) {
      resource_id = kResourceImageMap[i].res_id;
      break;
    }
  }

  return resource_id ? ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
                           resource_id)
                     : NULL;
}

std::string GetStringResource(PP_ResourceString string_id) {
  int resource_id = 0;
  switch (string_id) {
    case PP_RESOURCESTRING_PDFGETPASSWORD:
      resource_id = IDS_PDF_NEED_PASSWORD;
      break;
    case PP_RESOURCESTRING_PDFLOADING:
      resource_id = IDS_PDF_PAGE_LOADING;
      break;
    case PP_RESOURCESTRING_PDFLOAD_FAILED:
      resource_id = IDS_PDF_PAGE_LOAD_FAILED;
      break;
    case PP_RESOURCESTRING_PDFPROGRESSLOADING:
      resource_id = IDS_PDF_PROGRESS_LOADING;
      break;
  }

  return base::UTF16ToUTF8(l10n_util::GetStringUTF16(resource_id));
}

}  // namespace pdf