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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/sync_internals/chrome_sync_internals_message_handler.h"
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
#include "base/containers/span.h"
ChromeSyncInternalsMessageHandler::ChromeSyncInternalsMessageHandler(
signin::IdentityManager* identity_manager,
syncer::SyncService* sync_service,
syncer::SyncInvalidationsService* sync_invalidations_service,
syncer::UserEventService* user_event_service,
const std::string& channel)
: message_handler_(this,
identity_manager,
sync_service,
sync_invalidations_service,
user_event_service,
channel) {}
void ChromeSyncInternalsMessageHandler::SendEventToPage(
std::string_view event_name,
base::span<const base::ValueView> args) {
std::vector<base::ValueView> event_name_and_args;
event_name_and_args.push_back(event_name);
std::ranges::copy(args, std::back_inserter(event_name_and_args));
base::span<base::ValueView> mutable_span(event_name_and_args);
// `mutable_span` will be implicitly converted to a const one. Declaring
// std::vector<const base::ValueView> above is not an option, because
// vector elements must be mutable.
web_ui()->CallJavascriptFunctionUnsafe("cr.webUIListenerCallback",
mutable_span);
}
void ChromeSyncInternalsMessageHandler::ResolvePageCallback(
const base::ValueView callback_id,
const base::ValueView response) {
ResolveJavascriptCallback(callback_id, response);
}
void ChromeSyncInternalsMessageHandler::RegisterMessages() {
for (const auto& [message, handler] :
message_handler_.GetMessageHandlerMap()) {
web_ui()->RegisterMessageCallback(
message,
base::BindRepeating(
&ChromeSyncInternalsMessageHandler::AllowJavascriptAndHandleMessage,
base::Unretained(this), handler));
}
}
void ChromeSyncInternalsMessageHandler::OnJavascriptDisallowed() {
message_handler_.DisableMessagesToPage();
}
void ChromeSyncInternalsMessageHandler::AllowJavascriptAndHandleMessage(
const browser_sync::SyncInternalsMessageHandler::PageMessageHandler&
handler,
const base::Value::List& args) {
AllowJavascript();
handler.Run(args);
}
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