[Sync] Add SyncEncryptionHandler

sync/internal_api/js_sync_encryption_handler_observer.cc

Index: sync/internal_api/js_sync_encryption_handler_observer.cc
diff --git a/sync/internal_api/js_sync_encryption_handler_observer.cc b/sync/internal_api/js_sync_encryption_handler_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1e76575860759bd7f9bc3455193615daf709f3d4
--- /dev/null
+++ b/sync/internal_api/js_sync_encryption_handler_observer.cc
@@ -0,0 +1,109 @@
+// Copyright (c) 2012 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 "sync/internal_api/js_sync_encryption_handler_observer.h"
+
+#include <cstddef>
+
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/string_number_conversions.h"
+#include "base/values.h"
+#include "sync/internal_api/public/base/model_type.h"
+#include "sync/internal_api/public/util/sync_string_conversions.h"
+#include "sync/js/js_arg_list.h"
+#include "sync/js/js_event_details.h"
+#include "sync/js/js_event_handler.h"
+#include "sync/util/cryptographer.h"
+
+namespace syncer {
+
+JsSyncEncryptionHandlerObserver::JsSyncEncryptionHandlerObserver() {}
+
+JsSyncEncryptionHandlerObserver::~JsSyncEncryptionHandlerObserver() {}
+
+void JsSyncEncryptionHandlerObserver::SetJsEventHandler(
+    const WeakHandle<JsEventHandler>& event_handler) {
+  event_handler_ = event_handler;
+}
+
+void JsSyncEncryptionHandlerObserver::OnPassphraseRequired(
+    PassphraseRequiredReason reason,
+    const sync_pb::EncryptedData& pending_keys) {
+  if (!event_handler_.IsInitialized()) {
+    return;
+  }
+  DictionaryValue details;
+  details.SetString("reason",
+                     PassphraseRequiredReasonToString(reason));
+  HandleJsEvent(FROM_HERE, "onPassphraseRequired", JsEventDetails(&details));
+}
+
+void JsSyncEncryptionHandlerObserver::OnPassphraseAccepted() {
+  if (!event_handler_.IsInitialized()) {
+    return;
+  }
+  DictionaryValue details;
+  HandleJsEvent(FROM_HERE, "onPassphraseAccepted", JsEventDetails(&details));
+}
+
+void JsSyncEncryptionHandlerObserver::OnBootstrapTokenUpdated(
+    const std::string& boostrap_token) {
+  if (!event_handler_.IsInitialized()) {
+    return;
+  }
+  DictionaryValue details;
+  details.SetString("bootstrapToken", "<redacted>");
+  HandleJsEvent(FROM_HERE, "OnBootstrapTokenUpdated", JsEventDetails(&details));
+}
+
+void JsSyncEncryptionHandlerObserver::OnEncryptedTypesChanged(
+    ModelTypeSet encrypted_types,
+    bool encrypt_everything) {
+  if (!event_handler_.IsInitialized()) {
+    return;
+  }
+  DictionaryValue details;
+  details.Set("encryptedTypes",
+              ModelTypeSetToValue(encrypted_types));
+  details.SetBoolean("encryptEverything", encrypt_everything);
+  HandleJsEvent(FROM_HERE,
+                "onEncryptedTypesChanged", JsEventDetails(&details));
+}
+
+void JsSyncEncryptionHandlerObserver::OnEncryptionComplete() {
+  if (!event_handler_.IsInitialized()) {
+    return;
+  }
+  DictionaryValue details;
+  HandleJsEvent(FROM_HERE, "onEncryptionComplete", JsEventDetails());
+}
+
+void JsSyncEncryptionHandlerObserver::OnCryptographerStateChanged(
+    Cryptographer* cryptographer) {
+  if (!event_handler_.IsInitialized()) {
+    return;
+  }
+  DictionaryValue details;
+  details.SetBoolean("ready",
+                     cryptographer->is_ready());
+  details.SetBoolean("hasPendingKeys",
+                     cryptographer->has_pending_keys());
+  HandleJsEvent(FROM_HERE,
+                "onCryptographerStateChanged",
+                JsEventDetails(&details));
+}
+
+void JsSyncEncryptionHandlerObserver::HandleJsEvent(
+    const tracked_objects::Location& from_here,
+    const std::string& name, const JsEventDetails& details) {
+  if (!event_handler_.IsInitialized()) {
+    NOTREACHED();
+    return;
+  }
+  event_handler_.Call(from_here,
+                      &JsEventHandler::HandleJsEvent, name, details);
+}
+
+}  // namespace syncer