Move chrome/common/extensions/background_info.h to src/extensions

chrome/common/extensions/background_info.cc

Index: chrome/common/extensions/background_info.cc
diff --git a/chrome/common/extensions/background_info.cc b/chrome/common/extensions/background_info.cc
deleted file mode 100644
index 54be0b8b49c64dfb5df335a195828b12f47a4677..0000000000000000000000000000000000000000
--- a/chrome/common/extensions/background_info.cc
+++ /dev/null
@@ -1,319 +0,0 @@
-// 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/background_info.h"
-
-#include "base/command_line.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/strings/utf_string_conversions.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/extensions/extension_file_util.h"
-#include "chrome/common/extensions/permissions/permissions_data.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/error_utils.h"
-#include "extensions/common/manifest_constants.h"
-#include "extensions/common/permissions/api_permission_set.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-
-using base::DictionaryValue;
-
-namespace extensions {
-
-namespace keys = manifest_keys;
-namespace values = manifest_values;
-namespace errors = manifest_errors;
-
-namespace {
-
-const char kBackground[] = "background";
-
-static base::LazyInstance<BackgroundInfo> g_empty_background_info =
-    LAZY_INSTANCE_INITIALIZER;
-
-const BackgroundInfo& GetBackgroundInfo(const Extension* extension) {
-  BackgroundInfo* info = static_cast<BackgroundInfo*>(
-      extension->GetManifestData(kBackground));
-  if (!info)
-    return g_empty_background_info.Get();
-  return *info;
-}
-
-}  // namespace
-
-BackgroundInfo::BackgroundInfo()
-    : is_persistent_(true),
-      allow_js_access_(true) {
-}
-
-BackgroundInfo::~BackgroundInfo() {
-}
-
-// static
-GURL BackgroundInfo::GetBackgroundURL(const Extension* extension) {
-  const BackgroundInfo& info = GetBackgroundInfo(extension);
-  if (info.background_scripts_.empty())
-    return info.background_url_;
-  return extension->GetResourceURL(kGeneratedBackgroundPageFilename);
-}
-
-// static
-bool BackgroundInfo::HasGeneratedBackgroundPage(const Extension* extension) {
-  const BackgroundInfo& info = GetBackgroundInfo(extension);
-  return !info.background_scripts_.empty();
-}
-
-// static
-const std::vector<std::string>& BackgroundInfo::GetBackgroundScripts(
-    const Extension* extension) {
-  return GetBackgroundInfo(extension).background_scripts_;
-}
-
-// static
-bool BackgroundInfo::HasBackgroundPage(const Extension* extension) {
-  return GetBackgroundInfo(extension).has_background_page();
-}
-
-// static
-bool BackgroundInfo::AllowJSAccess(const Extension* extension) {
-  return GetBackgroundInfo(extension).allow_js_access_;
-}
-
-// static
-bool BackgroundInfo::HasPersistentBackgroundPage(const Extension* extension)  {
-  return GetBackgroundInfo(extension).has_persistent_background_page();
-}
-
-// static
-bool BackgroundInfo::HasLazyBackgroundPage(const Extension* extension) {
-  return GetBackgroundInfo(extension).has_lazy_background_page();
-}
-
-bool BackgroundInfo::Parse(const Extension* extension, string16* error) {
-  const std::string& bg_scripts_key = extension->is_platform_app() ?
-      keys::kPlatformAppBackgroundScripts : keys::kBackgroundScripts;
-  if (!LoadBackgroundScripts(extension, bg_scripts_key, error) ||
-      !LoadBackgroundPage(extension, error) ||
-      !LoadBackgroundPersistent(extension, error) ||
-      !LoadAllowJSAccess(extension, error)) {
-    return false;
-  }
-  return true;
-}
-
-bool BackgroundInfo::LoadBackgroundScripts(const Extension* extension,
-                                           const std::string& key,
-                                           string16* error) {
-  const base::Value* background_scripts_value = NULL;
-  if (!extension->manifest()->Get(key, &background_scripts_value))
-    return true;
-
-  CHECK(background_scripts_value);
-  if (background_scripts_value->GetType() != base::Value::TYPE_LIST) {
-    *error = ASCIIToUTF16(errors::kInvalidBackgroundScripts);
-    return false;
-  }
-
-  const base::ListValue* background_scripts = NULL;
-  background_scripts_value->GetAsList(&background_scripts);
-  for (size_t i = 0; i < background_scripts->GetSize(); ++i) {
-    std::string script;
-    if (!background_scripts->GetString(i, &script)) {
-      *error = ErrorUtils::FormatErrorMessageUTF16(
-          errors::kInvalidBackgroundScript, base::IntToString(i));
-      return false;
-    }
-    background_scripts_.push_back(script);
-  }
-
-  return true;
-}
-
-bool BackgroundInfo::LoadBackgroundPage(const Extension* extension,
-                                        const std::string& key,
-                                        string16* error) {
-  const base::Value* background_page_value = NULL;
-  if (!extension->manifest()->Get(key, &background_page_value))
-    return true;
-
-  if (!background_scripts_.empty()) {
-    *error = ASCIIToUTF16(errors::kInvalidBackgroundCombination);
-    return false;
-  }
-
-  std::string background_str;
-  if (!background_page_value->GetAsString(&background_str)) {
-    *error = ASCIIToUTF16(errors::kInvalidBackground);
-    return false;
-  }
-
-  if (extension->is_hosted_app()) {
-    background_url_ = GURL(background_str);
-
-    if (!PermissionsData::GetInitialAPIPermissions(extension)->count(
-            APIPermission::kBackground)) {
-      *error = ASCIIToUTF16(errors::kBackgroundPermissionNeeded);
-      return false;
-    }
-    // Hosted apps require an absolute URL.
-    if (!background_url_.is_valid()) {
-      *error = ASCIIToUTF16(errors::kInvalidBackgroundInHostedApp);
-      return false;
-    }
-
-    if (!(background_url_.SchemeIs("https") ||
-          (CommandLine::ForCurrentProcess()->HasSwitch(
-              switches::kAllowHTTPBackgroundPage) &&
-           background_url_.SchemeIs("http")))) {
-      *error = ASCIIToUTF16(errors::kInvalidBackgroundInHostedApp);
-      return false;
-    }
-  } else {
-    background_url_ = extension->GetResourceURL(background_str);
-  }
-
-  return true;
-}
-
-bool BackgroundInfo::LoadBackgroundPage(const Extension* extension,
-                                        string16* error) {
-  if (extension->is_platform_app()) {
-    return LoadBackgroundPage(
-        extension, keys::kPlatformAppBackgroundPage, error);
-  }
-
-  if (!LoadBackgroundPage(extension, keys::kBackgroundPage, error))
-    return false;
-  if (background_url_.is_empty())
-    return LoadBackgroundPage(extension, keys::kBackgroundPageLegacy, error);
-  return true;
-}
-
-bool BackgroundInfo::LoadBackgroundPersistent(const Extension* extension,
-                                              string16* error) {
-  if (extension->is_platform_app()) {
-    is_persistent_ = false;
-    return true;
-  }
-
-  const base::Value* background_persistent = NULL;
-  if (!extension->manifest()->Get(keys::kBackgroundPersistent,
-                                  &background_persistent))
-    return true;
-
-  if (!background_persistent->GetAsBoolean(&is_persistent_)) {
-    *error = ASCIIToUTF16(errors::kInvalidBackgroundPersistent);
-    return false;
-  }
-
-  if (!has_background_page()) {
-    *error = ASCIIToUTF16(errors::kInvalidBackgroundPersistentNoPage);
-    return false;
-  }
-
-  return true;
-}
-
-bool BackgroundInfo::LoadAllowJSAccess(const Extension* extension,
-                                       string16* error) {
-  const base::Value* allow_js_access = NULL;
-  if (!extension->manifest()->Get(keys::kBackgroundAllowJsAccess,
-                                  &allow_js_access))
-    return true;
-
-  if (!allow_js_access->IsType(base::Value::TYPE_BOOLEAN) ||
-      !allow_js_access->GetAsBoolean(&allow_js_access_)) {
-    *error = ASCIIToUTF16(errors::kInvalidBackgroundAllowJsAccess);
-    return false;
-  }
-
-  return true;
-}
-
-BackgroundManifestHandler::BackgroundManifestHandler() {
-}
-
-BackgroundManifestHandler::~BackgroundManifestHandler() {
-}
-
-bool BackgroundManifestHandler::Parse(Extension* extension, string16* error) {
-  scoped_ptr<BackgroundInfo> info(new BackgroundInfo);
-  if (!info->Parse(extension, error))
-    return false;
-
-  // Platform apps must have background pages.
-  if (extension->is_platform_app() && !info->has_background_page()) {
-    *error = ASCIIToUTF16(errors::kBackgroundRequiredForPlatformApps);
-    return false;
-  }
-  // Lazy background pages are incompatible with the webRequest API.
-  if (info->has_lazy_background_page() &&
-      PermissionsData::GetInitialAPIPermissions(extension)->count(
-          APIPermission::kWebRequest)) {
-    *error = ASCIIToUTF16(errors::kWebRequestConflictsWithLazyBackground);
-    return false;
-  }
-
-  extension->SetManifestData(kBackground, info.release());
-  return true;
-}
-
-bool BackgroundManifestHandler::Validate(
-    const Extension* extension,
-    std::string* error,
-    std::vector<InstallWarning>* warnings) const {
-  // Validate that background scripts exist.
-  const std::vector<std::string>& background_scripts =
-      extensions::BackgroundInfo::GetBackgroundScripts(extension);
-  for (size_t i = 0; i < background_scripts.size(); ++i) {
-    if (!base::PathExists(
-            extension->GetResource(background_scripts[i]).GetFilePath())) {
-      *error = l10n_util::GetStringFUTF8(
-          IDS_EXTENSION_LOAD_BACKGROUND_SCRIPT_FAILED,
-          UTF8ToUTF16(background_scripts[i]));
-      return false;
-    }
-  }
-
-  // Validate background page location, except for hosted apps, which should use
-  // an external URL. Background page for hosted apps are verified when the
-  // extension is created (in Extension::InitFromValue)
-  if (extensions::BackgroundInfo::HasBackgroundPage(extension) &&
-      !extension->is_hosted_app() && background_scripts.empty()) {
-    base::FilePath page_path =
-        extension_file_util::ExtensionURLToRelativeFilePath(
-            extensions::BackgroundInfo::GetBackgroundURL(extension));
-    const base::FilePath path = extension->GetResource(page_path).GetFilePath();
-    if (path.empty() || !base::PathExists(path)) {
-      *error =
-          l10n_util::GetStringFUTF8(
-              IDS_EXTENSION_LOAD_BACKGROUND_PAGE_FAILED,
-              page_path.LossyDisplayName());
-      return false;
-    }
-  }
-  return true;
-}
-
-bool BackgroundManifestHandler::AlwaysParseForType(Manifest::Type type) const {
-  return type == Manifest::TYPE_PLATFORM_APP;
-}
-
-const std::vector<std::string> BackgroundManifestHandler::Keys() const {
-  static const char* keys[] = {
-    keys::kBackgroundAllowJsAccess,
-    keys::kBackgroundPage,
-    keys::kBackgroundPageLegacy,
-    keys::kBackgroundPersistent,
-    keys::kBackgroundScripts,
-    keys::kPlatformAppBackgroundPage,
-    keys::kPlatformAppBackgroundScripts
-  };
-  return std::vector<std::string>(keys, keys + arraysize(keys));
-}
-
-}  // namespace extensions