1// Copyright (c) 2013 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/icons_handler.h"
6
7#include "base/file_util.h"
8#include "base/lazy_instance.h"
9#include "base/memory/scoped_ptr.h"
10#include "base/strings/string_number_conversions.h"
11#include "base/strings/utf_string_conversions.h"
12#include "base/values.h"
13#include "chrome/common/extensions/extension.h"
14#include "chrome/common/extensions/extension_file_util.h"
15#include "chrome/common/extensions/extension_manifest_constants.h"
16#include "chrome/common/extensions/manifest_handler_helpers.h"
17#include "grit/generated_resources.h"
18#include "grit/theme_resources.h"
19#include "third_party/skia/include/core/SkBitmap.h"
20#include "ui/base/resource/resource_bundle.h"
21#include "ui/gfx/size.h"
22
23namespace keys = extension_manifest_keys;
24
25namespace extensions {
26
27static base::LazyInstance<ExtensionIconSet> g_empty_icon_set =
28    LAZY_INSTANCE_INITIALIZER;
29
30const int IconsInfo::kPageActionIconMaxSize = 19;
31const int IconsInfo::kBrowserActionIconMaxSize = 19;
32
33// static
34const ExtensionIconSet& IconsInfo::GetIcons(const Extension* extension) {
35  IconsInfo* info = static_cast<IconsInfo*>(
36      extension->GetManifestData(keys::kIcons));
37  return info ? info->icons : g_empty_icon_set.Get();
38}
39
40// static
41const gfx::ImageSkia& IconsInfo::GetDefaultAppIcon() {
42  return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
43      IDR_APP_DEFAULT_ICON);
44}
45
46// static
47const gfx::ImageSkia& IconsInfo::GetDefaultExtensionIcon() {
48  return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
49      IDR_EXTENSION_DEFAULT_ICON);
50}
51
52// static
53ExtensionResource IconsInfo::GetIconResource(
54    const Extension* extension,
55    int size,
56    ExtensionIconSet::MatchType match_type) {
57  std::string path = GetIcons(extension).Get(size, match_type);
58  return path.empty() ? ExtensionResource() : extension->GetResource(path);
59}
60
61// static
62GURL IconsInfo::GetIconURL(const Extension* extension,
63                           int size,
64                           ExtensionIconSet::MatchType match_type) {
65  std::string path = GetIcons(extension).Get(size, match_type);
66  return path.empty() ? GURL() : extension->GetResourceURL(path);
67}
68
69IconsHandler::IconsHandler() {
70}
71
72IconsHandler::~IconsHandler() {
73}
74
75bool IconsHandler::Parse(Extension* extension, string16* error) {
76  scoped_ptr<IconsInfo> icons_info(new IconsInfo);
77  const base::DictionaryValue* icons_dict = NULL;
78  if (!extension->manifest()->GetDictionary(keys::kIcons, &icons_dict)) {
79    *error = ASCIIToUTF16(extension_manifest_errors::kInvalidIcons);
80    return false;
81  }
82
83  if (!manifest_handler_helpers::LoadIconsFromDictionary(
84          icons_dict,
85          extension_misc::kExtensionIconSizes,
86          extension_misc::kNumExtensionIconSizes,
87          &icons_info->icons,
88          error)) {
89    return false;
90  }
91
92  extension->SetManifestData(keys::kIcons, icons_info.release());
93  return true;
94}
95
96bool IconsHandler::Validate(const Extension* extension,
97                            std::string* error,
98                            std::vector<InstallWarning>* warnings) const {
99  return extension_file_util::ValidateExtensionIconSet(
100      IconsInfo::GetIcons(extension),
101      extension,
102      IDS_EXTENSION_LOAD_ICON_FAILED,
103      error);
104}
105
106const std::vector<std::string> IconsHandler::Keys() const {
107  return SingleKey(keys::kIcons);
108}
109
110}  // namespace extensions
111