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// Copyright (c) 2012 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/conflicts_ui.h"
#if defined(OS_WIN)
#include <string>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/memory/ref_counted_memory.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/enumerate_modules_model_win.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "grit/browser_resources.h"
#include "grit/components_strings.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/layout.h"
#include "ui/base/resource/resource_bundle.h"
using base::UserMetricsAction;
using content::WebContents;
using content::WebUIMessageHandler;
namespace {
content::WebUIDataSource* CreateConflictsUIHTMLSource() {
content::WebUIDataSource* source =
content::WebUIDataSource::Create(chrome::kChromeUIConflictsHost);
source->AddLocalizedString("loadingMessage", IDS_CONFLICTS_LOADING_MESSAGE);
source->AddLocalizedString("modulesLongTitle",
IDS_CONFLICTS_CHECK_PAGE_TITLE_LONG);
source->AddLocalizedString("modulesBlurb", IDS_CONFLICTS_EXPLANATION_TEXT);
source->AddLocalizedString("moduleSuspectedBad",
IDS_CONFLICTS_CHECK_WARNING_SUSPECTED);
source->AddLocalizedString("moduleConfirmedBad",
IDS_CONFLICTS_CHECK_WARNING_CONFIRMED);
source->AddLocalizedString("helpCenterLink", IDS_LEARN_MORE);
source->AddLocalizedString("investigatingText",
IDS_CONFLICTS_CHECK_INVESTIGATING);
source->AddLocalizedString("modulesNoneLoaded",
IDS_CONFLICTS_NO_MODULES_LOADED);
source->AddLocalizedString("headerSoftware", IDS_CONFLICTS_HEADER_SOFTWARE);
source->AddLocalizedString("headerSignedBy", IDS_CONFLICTS_HEADER_SIGNED_BY);
source->AddLocalizedString("headerLocation", IDS_CONFLICTS_HEADER_LOCATION);
source->AddLocalizedString("headerVersion", IDS_CONFLICTS_HEADER_VERSION);
source->AddLocalizedString("headerHelpTip", IDS_CONFLICTS_HEADER_HELP_TIP);
source->SetJsonPath("strings.js");
source->AddResourcePath("conflicts.js", IDR_ABOUT_CONFLICTS_JS);
source->SetDefaultResource(IDR_ABOUT_CONFLICTS_HTML);
return source;
}
////////////////////////////////////////////////////////////////////////////////
//
// ConflictsDOMHandler
//
////////////////////////////////////////////////////////////////////////////////
// The handler for JavaScript messages for the about:flags page.
class ConflictsDOMHandler : public WebUIMessageHandler,
public content::NotificationObserver {
public:
ConflictsDOMHandler() {}
virtual ~ConflictsDOMHandler() {}
// WebUIMessageHandler implementation.
virtual void RegisterMessages();
// Callback for the "requestModuleList" message.
void HandleRequestModuleList(const base::ListValue* args);
private:
void SendModuleList();
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details);
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ConflictsDOMHandler);
};
void ConflictsDOMHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback("requestModuleList",
base::Bind(&ConflictsDOMHandler::HandleRequestModuleList,
base::Unretained(this)));
}
void ConflictsDOMHandler::HandleRequestModuleList(const base::ListValue* args) {
// This request is handled asynchronously. See Observe for when we reply back.
registrar_.Add(this, chrome::NOTIFICATION_MODULE_LIST_ENUMERATED,
content::NotificationService::AllSources());
EnumerateModulesModel::GetInstance()->ScanNow();
}
void ConflictsDOMHandler::SendModuleList() {
EnumerateModulesModel* loaded_modules = EnumerateModulesModel::GetInstance();
base::ListValue* list = loaded_modules->GetModuleList();
base::DictionaryValue results;
results.Set("moduleList", list);
// Add the section title and the total count for bad modules found.
int confirmed_bad = loaded_modules->confirmed_bad_modules_detected();
int suspected_bad = loaded_modules->suspected_bad_modules_detected();
base::string16 table_title;
if (!confirmed_bad && !suspected_bad) {
table_title += l10n_util::GetStringFUTF16(
IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_ONE,
base::IntToString16(list->GetSize()));
} else {
table_title += l10n_util::GetStringFUTF16(
IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_TWO,
base::IntToString16(list->GetSize()),
base::IntToString16(confirmed_bad),
base::IntToString16(suspected_bad));
}
results.SetString("modulesTableTitle", table_title);
web_ui()->CallJavascriptFunction("returnModuleList", results);
}
void ConflictsDOMHandler::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_MODULE_LIST_ENUMERATED:
SendModuleList();
registrar_.RemoveAll();
break;
default:
NOTREACHED();
break;
}
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
//
// ConflictsUI
//
///////////////////////////////////////////////////////////////////////////////
ConflictsUI::ConflictsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
content::RecordAction(UserMetricsAction("ViewAboutConflicts"));
web_ui->AddMessageHandler(new ConflictsDOMHandler());
// Set up the about:conflicts source.
Profile* profile = Profile::FromWebUI(web_ui);
content::WebUIDataSource::Add(profile, CreateConflictsUIHTMLSource());
}
// static
base::RefCountedMemory* ConflictsUI::GetFaviconResourceBytes(
ui::ScaleFactor scale_factor) {
return static_cast<base::RefCountedMemory*>(
ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
IDR_CONFLICT_FAVICON, scale_factor));
}
#endif
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