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// Copyright (c) 2011 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/ui/webui/sync_internals_ui.h"
#include <string>
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "base/task.h"
#include "base/tracked_objects.h"
#include "base/values.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/js_arg_list.h"
#include "chrome/browser/sync/js_frontend.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/sync_ui_util.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
#include "chrome/browser/ui/webui/sync_internals_html_source.h"
#include "chrome/common/extensions/extension_messages.h"
#include "content/browser/browser_thread.h"
SyncInternalsUI::SyncInternalsUI(TabContents* contents)
: WebUI(contents) {
browser_sync::JsFrontend* backend = GetJsFrontend();
if (backend) {
backend->AddHandler(this);
}
// If this PostTask() call fails, it's most likely because this is
// being run from a unit test. The created objects will be cleaned
// up, anyway.
contents->profile()->GetChromeURLDataManager()->AddDataSource(
new SyncInternalsHTMLSource());
}
SyncInternalsUI::~SyncInternalsUI() {
browser_sync::JsFrontend* backend = GetJsFrontend();
if (backend) {
backend->RemoveHandler(this);
}
}
void SyncInternalsUI::ProcessWebUIMessage(
const ExtensionHostMsg_DomMessage_Params& params) {
const std::string& name = params.name;
browser_sync::JsArgList args(params.arguments);
VLOG(1) << "Received message: " << name << " with args "
<< args.ToString();
// We handle this case directly because it needs to work even if
// the sync service doesn't exist.
if (name == "getAboutInfo") {
ListValue args;
DictionaryValue* about_info = new DictionaryValue();
args.Append(about_info);
ProfileSyncService* service = GetProfile()->GetProfileSyncService();
sync_ui_util::ConstructAboutInformation(service, about_info);
HandleJsEvent("onGetAboutInfoFinished",
browser_sync::JsArgList(args));
} else {
browser_sync::JsFrontend* backend = GetJsFrontend();
if (backend) {
backend->ProcessMessage(name, args, this);
} else {
LOG(WARNING) << "No sync service; dropping message " << name
<< " with args " << args.ToString();
}
}
}
void SyncInternalsUI::HandleJsEvent(const std::string& name,
const browser_sync::JsArgList& args) {
VLOG(1) << "Handling event: " << name << " with args " << args.ToString();
std::vector<const Value*> arg_list(args.Get().begin(), args.Get().end());
CallJavascriptFunction(name, arg_list);
}
browser_sync::JsFrontend* SyncInternalsUI::GetJsFrontend() {
// If this returns NULL that means that sync is disabled for
// whatever reason.
ProfileSyncService* sync_service = GetProfile()->GetProfileSyncService();
return sync_service ? sync_service->GetJsFrontend() : NULL;
}
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