chrome/common/extensions/manifest_handlers/linked_app_icons.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/extensions/manifest_handlers/linked_app_icons.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "base/values.h"
  10 #include "extensions/common/manifest.h"
  11 #include "extensions/common/manifest_constants.h"
  12
  13 namespace extensions {
  14
  15 namespace keys = manifest_keys;
  16 namespace errors = manifest_errors;
  17
  18 namespace {
  19
  20 static base::LazyInstance<LinkedAppIcons> g_empty_linked_app_icons =
  21     LAZY_INSTANCE_INITIALIZER;
  22
  23 const LinkedAppIcons& GetInfo(const Extension* extension) {
  24   LinkedAppIcons* info = static_cast<LinkedAppIcons*>(
  25       extension->GetManifestData(keys::kLinkedAppIcons));
  26   return info ? *info : g_empty_linked_app_icons.Get();
  27 }
  28
  29 }  // namespace
  30
  31 LinkedAppIcons::IconInfo::IconInfo() {
  32 }
  33
  34 LinkedAppIcons::IconInfo::~IconInfo() {
  35 }
  36
  37 LinkedAppIcons::LinkedAppIcons() {
  38 }
  39
  40 LinkedAppIcons::~LinkedAppIcons() {
  41 }
  42
  43 // static
  44 const LinkedAppIcons& LinkedAppIcons::GetLinkedAppIcons(
  45     const Extension* extension) {
  46   return GetInfo(extension);
  47 }
  48
  49 LinkedAppIconsHandler::LinkedAppIconsHandler() {
  50 }
  51
  52 LinkedAppIconsHandler::~LinkedAppIconsHandler() {
  53 }
  54
  55 bool LinkedAppIconsHandler::Parse(Extension* extension, base::string16* error) {
  56   scoped_ptr<LinkedAppIcons> linked_app_icons(new LinkedAppIcons);
  57
  58   const base::Value* icons_value = nullptr;
  59   const base::ListValue* icons_list = nullptr;
  60   if (extension->manifest()->Get(keys::kLinkedAppIcons, &icons_value)) {
  61     if (!icons_value->GetAsList(&icons_list)) {
  62       *error = base::UTF8ToUTF16(
  63           extensions::manifest_errors::kInvalidLinkedAppIcons);
  64       return false;
  65     }
  66
  67     for (const base::Value* icon_value : *icons_list) {
  68       const base::DictionaryValue* icon_dict = nullptr;
  69       if (!icon_value->GetAsDictionary(&icon_dict)) {
  70         *error = base::UTF8ToUTF16(
  71             extensions::manifest_errors::kInvalidLinkedAppIcon);
  72         return false;
  73       }
  74
  75       std::string url_string;
  76       if (!icon_dict->GetString(keys::kLinkedAppIconURL, &url_string)) {
  77         *error = base::UTF8ToUTF16(
  78             extensions::manifest_errors::kInvalidLinkedAppIconURL);
  79         return false;
  80       }
  81
  82       LinkedAppIcons::IconInfo info;
  83       info.url = GURL(url_string);
  84       if (!info.url.is_valid()) {
  85         *error = base::UTF8ToUTF16(
  86             extensions::manifest_errors::kInvalidLinkedAppIconURL);
  87         return false;
  88       }
  89
  90       if (!icon_dict->GetInteger(keys::kLinkedAppIconSize, &info.size)) {
  91         *error = base::UTF8ToUTF16(
  92             extensions::manifest_errors::kInvalidLinkedAppIconSize);
  93         return false;
  94       }
  95
  96       linked_app_icons->icons.push_back(info);
  97     }
  98   }
  99
 100   extension->SetManifestData(keys::kLinkedAppIcons, linked_app_icons.release());
 101   return true;
 102 }
 103
 104 const std::vector<std::string> LinkedAppIconsHandler::Keys() const {
 105   return SingleKey(keys::kLinkedAppIcons);
 106 }
 107
 108 }  // namespace extensions