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      1 // Copyright (c) 2012 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 "sync/internal_api/js_sync_manager_observer.h"
      6 
      7 #include <cstddef>
      8 
      9 #include "base/location.h"
     10 #include "base/logging.h"
     11 #include "base/strings/string_number_conversions.h"
     12 #include "base/values.h"
     13 #include "sync/internal_api/public/base/model_type.h"
     14 #include "sync/internal_api/public/change_record.h"
     15 #include "sync/internal_api/public/sessions/sync_session_snapshot.h"
     16 #include "sync/internal_api/public/util/sync_string_conversions.h"
     17 #include "sync/js/js_event_details.h"
     18 #include "sync/js/js_event_handler.h"
     19 
     20 namespace syncer {
     21 
     22 JsSyncManagerObserver::JsSyncManagerObserver() {}
     23 
     24 JsSyncManagerObserver::~JsSyncManagerObserver() {}
     25 
     26 void JsSyncManagerObserver::SetJsEventHandler(
     27     const WeakHandle<JsEventHandler>& event_handler) {
     28   event_handler_ = event_handler;
     29 }
     30 
     31 void JsSyncManagerObserver::OnSyncCycleCompleted(
     32     const sessions::SyncSessionSnapshot& snapshot) {
     33   if (!event_handler_.IsInitialized()) {
     34     return;
     35   }
     36   base::DictionaryValue details;
     37   details.Set("snapshot", snapshot.ToValue());
     38   HandleJsEvent(FROM_HERE, "onSyncCycleCompleted", JsEventDetails(&details));
     39 }
     40 
     41 void JsSyncManagerObserver::OnConnectionStatusChange(ConnectionStatus status) {
     42   if (!event_handler_.IsInitialized()) {
     43     return;
     44   }
     45   base::DictionaryValue details;
     46   details.SetString("status", ConnectionStatusToString(status));
     47   HandleJsEvent(FROM_HERE,
     48                 "onConnectionStatusChange", JsEventDetails(&details));
     49 }
     50 
     51 void JsSyncManagerObserver::OnActionableError(
     52     const SyncProtocolError& sync_error) {
     53   if (!event_handler_.IsInitialized()) {
     54     return;
     55   }
     56   base::DictionaryValue details;
     57   details.Set("syncError",  sync_error.ToValue());
     58   HandleJsEvent(FROM_HERE, "onActionableError",
     59                 JsEventDetails(&details));
     60 }
     61 
     62 void JsSyncManagerObserver::OnProtocolEvent(
     63     const ProtocolEvent& event) { }
     64 
     65 void JsSyncManagerObserver::OnMigrationRequested(ModelTypeSet types) { }
     66 
     67 void JsSyncManagerObserver::OnInitializationComplete(
     68     const WeakHandle<JsBackend>& js_backend,
     69     const WeakHandle<DataTypeDebugInfoListener>& debug_info_listener,
     70     bool success, syncer::ModelTypeSet restored_types) {
     71   if (!event_handler_.IsInitialized()) {
     72     return;
     73   }
     74   // Ignore the |js_backend| argument; it's not really convertible to
     75   // JSON anyway.
     76 
     77   base::DictionaryValue details;
     78   details.Set("restoredTypes", ModelTypeSetToValue(restored_types));
     79 
     80   HandleJsEvent(FROM_HERE,
     81                 "onInitializationComplete",
     82                 JsEventDetails(&details));
     83 }
     84 
     85 void JsSyncManagerObserver::HandleJsEvent(
     86     const tracked_objects::Location& from_here,
     87     const std::string& name, const JsEventDetails& details) {
     88   if (!event_handler_.IsInitialized()) {
     89     NOTREACHED();
     90     return;
     91   }
     92   event_handler_.Call(from_here,
     93                       &JsEventHandler::HandleJsEvent, name, details);
     94 }
     95 
     96 }  // namespace syncer
     97