Add "kiosk_only" manifest attribute for platform apps.

chrome/common/extensions/manifest_handlers/kiosk_mode_info.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/manifest_handlers/kiosk_mode_info.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/string16.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "extensions/common/manifest_constants.h"
+
+namespace extensions {
+
+namespace keys = manifest_keys;
+
+KioskEnabledInfo::KioskEnabledInfo(bool is_kiosk_enabled)
+    : kiosk_enabled(is_kiosk_enabled) {
+}
+
+KioskEnabledInfo::~KioskEnabledInfo() {
+}
+
+// static
+bool KioskEnabledInfo::IsKioskEnabled(const Extension* extension) {
+  KioskEnabledInfo* info = static_cast<KioskEnabledInfo*>(
+      extension->GetManifestData(keys::kKioskEnabled));
+  return info ? info->kiosk_enabled : false;
+}
+
+KioskOnlyInfo::KioskOnlyInfo(bool is_kiosk_only)
+    : kiosk_only(is_kiosk_only) {
+}
+
+KioskOnlyInfo::~KioskOnlyInfo() {
+}
+
+// static
+bool KioskOnlyInfo::IsKioskOnly(const Extension* extension) {
+  KioskOnlyInfo* info = static_cast<KioskOnlyInfo*>(
+      extension->GetManifestData(keys::kKioskOnly));
+  return info ? info->kiosk_only : false;
+}
+
+KioskModeHandler::KioskModeHandler() {
+  supported_keys_.push_back(keys::kKioskEnabled);
+  supported_keys_.push_back(keys::kKioskOnly);
+}
+
+KioskModeHandler::~KioskModeHandler() {
+}
+
+bool KioskModeHandler::Parse(Extension* extension, string16* error) {
+  const Manifest* manifest = extension->manifest();
+  DCHECK(manifest->HasKey(keys::kKioskEnabled) ||
+         manifest->HasKey(keys::kKioskOnly));
+
+  bool kiosk_enabled = false;
+  if (manifest->HasKey(keys::kKioskEnabled) &&
+      !manifest->GetBoolean(keys::kKioskEnabled, &kiosk_enabled)) {
+    *error = ASCIIToUTF16(manifest_errors::kInvalidKioskEnabled);
+    return false;
+  }
+
+  bool kiosk_only = false;
+  if (manifest->HasKey(keys::kKioskOnly) &&
+      !manifest->GetBoolean(keys::kKioskOnly, &kiosk_only)) {
+    *error = ASCIIToUTF16(manifest_errors::kInvalidKioskOnly);
+    return false;
+  }
+
+  if (kiosk_only && !kiosk_enabled) {
+    *error = ASCIIToUTF16(manifest_errors::kInvalidKioskOnlyButNotEnabled);
+    return false;
+  }
+
+  // All other use cases should be already filtered out by manifest feature
+  // checks.
+  DCHECK(extension->is_platform_app());
+
+  extension->SetManifestData(keys::kKioskEnabled,
+      new KioskEnabledInfo(kiosk_enabled));
+  extension->SetManifestData(keys::kKioskOnly,
+      new KioskOnlyInfo(kiosk_only));
+
+  return true;
+}
+
+const std::vector<std::string> KioskModeHandler::Keys() const {
+  return supported_keys_;
+}
+
+}  // namespace extensions