pdf: Move the string/image resources for the pdf plugin.

components/pdf/renderer/pdf_resource_util.cc

+// 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/grit/component_scaled_resources.h"
+#include "components/strings/grit/components_strings.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[] = {

[Lei Zhang, 2014/08/26 22:05:53]

s/static //

+    {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(

[Lei Zhang, 2014/08/26 22:05:53]

nit: formatting here is a wee bit ugly IMO.

+                           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_NEED_PASSWORD;
+      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));

[raymes, 2014/08/27 03:15:42]

What happens in the case where resource_id == 0?

+}
+
+}  // namespace pdf