blob: 25d3725b267893278b65a0ee7715af1addae5df9 [file] [log] [blame]
// Copyright 2014 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/history/chrome_history_client.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "chrome/browser/history/chrome_history_backend_client.h"
#include "chrome/browser/history/history_utils.h"
#include "chrome/browser/profiles/sql_init_error_message_ids.h"
#include "chrome/browser/ui/profile_error_dialog.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/history/core/browser/history_service.h"
ChromeHistoryClient::ChromeHistoryClient(
bookmarks::BookmarkModel* bookmark_model)
: bookmark_model_(bookmark_model), is_bookmark_model_observer_(false) {
}
ChromeHistoryClient::~ChromeHistoryClient() {
}
void ChromeHistoryClient::OnHistoryServiceCreated(
history::HistoryService* history_service) {
DCHECK(!is_bookmark_model_observer_);
if (bookmark_model_) {
on_bookmarks_removed_ =
base::Bind(&history::HistoryService::URLsNoLongerBookmarked,
base::Unretained(history_service));
favicons_changed_subscription_ =
history_service->AddFaviconsChangedCallback(
base::Bind(&bookmarks::BookmarkModel::OnFaviconsChanged,
base::Unretained(bookmark_model_)));
bookmark_model_->AddObserver(this);
is_bookmark_model_observer_ = true;
}
}
void ChromeHistoryClient::Shutdown() {
// It's possible that bookmarks haven't loaded and history is waiting for
// bookmarks to complete loading. In such a situation history can't shutdown
// (meaning if we invoked HistoryService::Cleanup now, we would deadlock). To
// break the deadlock we tell BookmarkModel it's about to be deleted so that
// it can release the signal history is waiting on, allowing history to
// shutdown (HistoryService::Cleanup to complete). In such a scenario history
// sees an incorrect view of bookmarks, but it's better than a deadlock.
if (bookmark_model_) {
if (is_bookmark_model_observer_) {
is_bookmark_model_observer_ = false;
bookmark_model_->RemoveObserver(this);
favicons_changed_subscription_.reset();
on_bookmarks_removed_.Reset();
}
bookmark_model_->Shutdown();
}
}
bool ChromeHistoryClient::CanAddURL(const GURL& url) {
return CanAddURLToHistory(url);
}
void ChromeHistoryClient::NotifyProfileError(sql::InitStatus init_status,
const std::string& diagnostics) {
ShowProfileErrorDialog(PROFILE_ERROR_HISTORY,
SqlInitStatusToMessageId(init_status), diagnostics);
}
std::unique_ptr<history::HistoryBackendClient>
ChromeHistoryClient::CreateBackendClient() {
return base::MakeUnique<ChromeHistoryBackendClient>(bookmark_model_);
}
void ChromeHistoryClient::BookmarkModelChanged() {
}
void ChromeHistoryClient::BookmarkNodeRemoved(
bookmarks::BookmarkModel* bookmark_model,
const bookmarks::BookmarkNode* parent,
int old_index,
const bookmarks::BookmarkNode* node,
const std::set<GURL>& removed_urls) {
BaseBookmarkModelObserver::BookmarkNodeRemoved(bookmark_model, parent,
old_index, node, removed_urls);
DCHECK(!on_bookmarks_removed_.is_null());
on_bookmarks_removed_.Run(removed_urls);
}
void ChromeHistoryClient::BookmarkAllUserNodesRemoved(
bookmarks::BookmarkModel* bookmark_model,
const std::set<GURL>& removed_urls) {
BaseBookmarkModelObserver::BookmarkAllUserNodesRemoved(bookmark_model,
removed_urls);
DCHECK(!on_bookmarks_removed_.is_null());
on_bookmarks_removed_.Run(removed_urls);
}