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// Copyright (c) 2010 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/browser/sync/glue/theme_model_associator.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/sync/engine/syncapi.h"
#include "chrome/browser/sync/glue/sync_backend_host.h"
#include "chrome/browser/sync/glue/theme_util.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/protocol/theme_specifics.pb.h"
#include "chrome/browser/themes/browser_theme_provider.h"
namespace browser_sync {
namespace {
static const char kThemesTag[] = "google_chrome_themes";
static const char kCurrentThemeNodeTitle[] = "Current Theme";
static const char kNoThemesFolderError[] =
"Server did not create the top-level themes node. We "
"might be running against an out-of-date server.";
} // namespace
ThemeModelAssociator::ThemeModelAssociator(
ProfileSyncService* sync_service)
: sync_service_(sync_service) {
DCHECK(sync_service_);
}
ThemeModelAssociator::~ThemeModelAssociator() {}
bool ThemeModelAssociator::AssociateModels() {
sync_api::WriteTransaction trans(sync_service_->GetUserShare());
sync_api::ReadNode root(&trans);
if (!root.InitByTagLookup(kThemesTag)) {
LOG(ERROR) << kNoThemesFolderError;
return false;
}
Profile* profile = sync_service_->profile();
sync_api::WriteNode node(&trans);
// TODO(akalin): When we have timestamps, we may want to do
// something more intelligent than preferring the sync data over our
// local data.
if (node.InitByClientTagLookup(syncable::THEMES, kCurrentThemeClientTag)) {
// Update the current theme from the sync data.
// TODO(akalin): If the sync data does not have
// use_system_theme_by_default and we do, update that flag on the
// sync data.
sync_pb::ThemeSpecifics theme_specifics = node.GetThemeSpecifics();
if (UpdateThemeSpecificsOrSetCurrentThemeIfNecessary(profile,
&theme_specifics))
node.SetThemeSpecifics(theme_specifics);
} else {
// Set the sync data from the current theme.
sync_api::WriteNode node(&trans);
if (!node.InitUniqueByCreation(syncable::THEMES, root,
kCurrentThemeClientTag)) {
LOG(ERROR) << "Could not create current theme node.";
return false;
}
node.SetIsFolder(false);
node.SetTitle(UTF8ToWide(kCurrentThemeNodeTitle));
sync_pb::ThemeSpecifics theme_specifics;
GetThemeSpecificsFromCurrentTheme(profile, &theme_specifics);
node.SetThemeSpecifics(theme_specifics);
}
return true;
}
bool ThemeModelAssociator::DisassociateModels() {
// We don't maintain any association state, so nothing to do.
return true;
}
bool ThemeModelAssociator::SyncModelHasUserCreatedNodes(bool* has_nodes) {
DCHECK(has_nodes);
*has_nodes = false;
sync_api::ReadTransaction trans(sync_service_->GetUserShare());
sync_api::ReadNode root(&trans);
if (!root.InitByTagLookup(kThemesTag)) {
LOG(ERROR) << kNoThemesFolderError;
return false;
}
// The sync model has user created nodes iff the themes folder has
// any children.
*has_nodes = root.GetFirstChildId() != sync_api::kInvalidId;
return true;
}
} // namespace browser_sync
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