Move IconsHandler from c/c/e/api/ to c/c/e

chrome/common/extensions/api/icons/icons_handler.cc

-// Copyright (c) 2013 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 "chrome/common/extensions/api/icons/icons_handler.h"
-
-#include "base/file_util.h"
-#include "base/lazy_instance.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_file_util.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/manifest_handler_helpers.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "webkit/glue/image_decoder.h"
-
-namespace keys = extension_manifest_keys;
-
-namespace extensions {
-
-static base::LazyInstance<ExtensionIconSet> g_empty_icon_set =
-    LAZY_INSTANCE_INITIALIZER;
-
-const int IconsInfo::kPageActionIconMaxSize = 19;
-const int IconsInfo::kBrowserActionIconMaxSize = 19;
-
-// static
-const ExtensionIconSet& IconsInfo::GetIcons(const Extension* extension) {
-  IconsInfo* info = static_cast<IconsInfo*>(
-      extension->GetManifestData(keys::kIcons));
-  return info ? info->icons : g_empty_icon_set.Get();
-}
-
-// static
-void IconsInfo::DecodeIcon(const Extension* extension,
-                           int preferred_icon_size,
-                           ExtensionIconSet::MatchType match_type,
-                           scoped_ptr<SkBitmap>* result) {
-  std::string path = GetIcons(extension).Get(preferred_icon_size, match_type);
-  int size = GetIcons(extension).GetIconSizeFromPath(path);
-  ExtensionResource icon_resource = extension->GetResource(path);
-  DecodeIconFromPath(icon_resource.GetFilePath(), size, result);
-}
-
-// static
-void IconsInfo::DecodeIcon(const Extension* extension,
-                           int icon_size,
-                           scoped_ptr<SkBitmap>* result) {
-  DecodeIcon(extension, icon_size, ExtensionIconSet::MATCH_EXACTLY, result);
-}
-
-// static
-void IconsInfo::DecodeIconFromPath(const base::FilePath& icon_path,
-                                   int icon_size,
-                                   scoped_ptr<SkBitmap>* result) {
-  if (icon_path.empty())
-    return;
-
-  std::string file_contents;
-  if (!file_util::ReadFileToString(icon_path, &file_contents)) {
-    DLOG(ERROR) << "Could not read icon file: " << icon_path.LossyDisplayName();
-    return;
-  }
-
-  // Decode the image using WebKit's image decoder.
-  const unsigned char* data =
-    reinterpret_cast<const unsigned char*>(file_contents.data());
-  webkit_glue::ImageDecoder decoder;
-  scoped_ptr<SkBitmap> decoded(new SkBitmap());
-  *decoded = decoder.Decode(data, file_contents.length());
-  if (decoded->empty()) {
-    DLOG(ERROR) << "Could not decode icon file: "
-                << icon_path.LossyDisplayName();
-    return;
-  }
-
-  if (decoded->width() != icon_size || decoded->height() != icon_size) {
-    DLOG(ERROR) << "Icon file has unexpected size: "
-                << base::IntToString(decoded->width()) << "x"
-                << base::IntToString(decoded->height());
-    return;
-  }
-
-  result->swap(decoded);
-}
-
-// static
-const gfx::ImageSkia& IconsInfo::GetDefaultAppIcon() {
-  return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-      IDR_APP_DEFAULT_ICON);
-}
-
-// static
-const gfx::ImageSkia& IconsInfo::GetDefaultExtensionIcon() {
-  return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-      IDR_EXTENSION_DEFAULT_ICON);
-}
-
-// static
-ExtensionResource IconsInfo::GetIconResource(
-    const Extension* extension,
-    int size,
-    ExtensionIconSet::MatchType match_type) {
-  std::string path = GetIcons(extension).Get(size, match_type);
-  return path.empty() ? ExtensionResource() : extension->GetResource(path);
-}
-
-// static
-GURL IconsInfo::GetIconURL(const Extension* extension,
-                           int size,
-                           ExtensionIconSet::MatchType match_type) {
-  std::string path = GetIcons(extension).Get(size, match_type);
-  return path.empty() ? GURL() : extension->GetResourceURL(path);
-}
-
-IconsHandler::IconsHandler() {
-}
-
-IconsHandler::~IconsHandler() {
-}
-
-bool IconsHandler::Parse(Extension* extension, string16* error) {
-  scoped_ptr<IconsInfo> icons_info(new IconsInfo);
-  const DictionaryValue* icons_dict = NULL;
-  if (!extension->manifest()->GetDictionary(keys::kIcons, &icons_dict)) {
-    *error = ASCIIToUTF16(extension_manifest_errors::kInvalidIcons);
-    return false;
-  }
-
-  if (!manifest_handler_helpers::LoadIconsFromDictionary(
-          icons_dict,
-          extension_misc::kExtensionIconSizes,
-          extension_misc::kNumExtensionIconSizes,
-          &icons_info->icons,
-          error)) {
-    return false;
-  }
-
-  extension->SetManifestData(keys::kIcons, icons_info.release());
-  return true;
-}
-
-bool IconsHandler::Validate(const Extension* extension,
-                            std::string* error,
-                            std::vector<InstallWarning>* warnings) const {
-  return extension_file_util::ValidateExtensionIconSet(
-      IconsInfo::GetIcons(extension),
-      extension,
-      IDS_EXTENSION_LOAD_ICON_FAILED,
-      error);
-}
-
-const std::vector<std::string> IconsHandler::Keys() const {
-  return SingleKey(keys::kIcons);
-}
-
-}  // namespace extensions