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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/crashes_ui.h"
#include <vector>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/i18n/time_formatting.h"
#include "base/memory/ref_counted_memory.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/crash_upload_list.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.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 "components/version_info/version_info.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/theme_resources.h"
#include "ui/base/resource/resource_bundle.h"
#if defined(OS_CHROMEOS)
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/debug_daemon_client.h"
#endif
using content::WebContents;
using content::WebUIMessageHandler;
namespace {
content::WebUIDataSource* CreateCrashesUIHTMLSource() {
content::WebUIDataSource* source =
content::WebUIDataSource::Create(chrome::kChromeUICrashesHost);
source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_NAME);
source->AddLocalizedString("crashesTitle", IDS_CRASHES_TITLE);
source->AddLocalizedString("crashCountFormat",
IDS_CRASHES_CRASH_COUNT_BANNER_FORMAT);
source->AddLocalizedString("crashHeaderFormat",
IDS_CRASHES_CRASH_HEADER_FORMAT);
source->AddLocalizedString("crashTimeFormat", IDS_CRASHES_CRASH_TIME_FORMAT);
source->AddLocalizedString("bugLinkText", IDS_CRASHES_BUG_LINK_LABEL);
source->AddLocalizedString("noCrashesMessage",
IDS_CRASHES_NO_CRASHES_MESSAGE);
source->AddLocalizedString("disabledHeader", IDS_CRASHES_DISABLED_HEADER);
source->AddLocalizedString("disabledMessage", IDS_CRASHES_DISABLED_MESSAGE);
source->AddLocalizedString("uploadCrashesLinkText",
IDS_CRASHES_UPLOAD_MESSAGE);
source->SetJsonPath("strings.js");
source->AddResourcePath("crashes.js", IDR_CRASHES_JS);
source->SetDefaultResource(IDR_CRASHES_HTML);
return source;
}
////////////////////////////////////////////////////////////////////////////////
//
// CrashesDOMHandler
//
////////////////////////////////////////////////////////////////////////////////
// The handler for Javascript messages for the chrome://crashes/ page.
class CrashesDOMHandler : public WebUIMessageHandler,
public CrashUploadList::Delegate {
public:
CrashesDOMHandler();
~CrashesDOMHandler() override;
// WebUIMessageHandler implementation.
void RegisterMessages() override;
// CrashUploadList::Delegate implemenation.
void OnUploadListAvailable() override;
private:
// Asynchronously fetches the list of crashes. Called from JS.
void HandleRequestCrashes(const base::ListValue* args);
#if defined(OS_CHROMEOS)
// Asynchronously triggers crash uploading. Called from JS.
void HandleRequestUploads(const base::ListValue* args);
#endif
// Sends the recent crashes list JS.
void UpdateUI();
scoped_refptr<CrashUploadList> upload_list_;
bool list_available_;
bool first_load_;
DISALLOW_COPY_AND_ASSIGN(CrashesDOMHandler);
};
CrashesDOMHandler::CrashesDOMHandler()
: list_available_(false), first_load_(true) {
upload_list_ = CrashUploadList::Create(this);
}
CrashesDOMHandler::~CrashesDOMHandler() {
upload_list_->ClearDelegate();
}
void CrashesDOMHandler::RegisterMessages() {
upload_list_->LoadUploadListAsynchronously();
web_ui()->RegisterMessageCallback("requestCrashList",
base::Bind(&CrashesDOMHandler::HandleRequestCrashes,
base::Unretained(this)));
#if defined(OS_CHROMEOS)
web_ui()->RegisterMessageCallback("requestCrashUpload",
base::Bind(&CrashesDOMHandler::HandleRequestUploads,
base::Unretained(this)));
#endif
}
void CrashesDOMHandler::HandleRequestCrashes(const base::ListValue* args) {
if (first_load_) {
first_load_ = false;
if (list_available_)
UpdateUI();
} else {
list_available_ = false;
upload_list_->LoadUploadListAsynchronously();
}
}
#if defined(OS_CHROMEOS)
void CrashesDOMHandler::HandleRequestUploads(const base::ListValue* args) {
chromeos::DebugDaemonClient* debugd_client =
chromeos::DBusThreadManager::Get()->GetDebugDaemonClient();
DCHECK(debugd_client);
debugd_client->UploadCrashes();
}
#endif
void CrashesDOMHandler::OnUploadListAvailable() {
list_available_ = true;
if (!first_load_)
UpdateUI();
}
void CrashesDOMHandler::UpdateUI() {
bool crash_reporting_enabled =
ChromeMetricsServiceAccessor::IsCrashReportingEnabled();
base::ListValue crash_list;
bool system_crash_reporter = false;
#if defined(OS_CHROMEOS)
// Chrome OS has a system crash reporter.
system_crash_reporter = true;
#endif
if (crash_reporting_enabled) {
std::vector<CrashUploadList::UploadInfo> crashes;
upload_list_->GetUploads(50, &crashes);
for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin();
i != crashes.end(); ++i) {
base::DictionaryValue* crash = new base::DictionaryValue();
crash->SetString("id", i->id);
crash->SetString("time", base::TimeFormatFriendlyDateAndTime(i->time));
crash->SetString("local_id", i->local_id);
crash_list.Append(crash);
}
}
base::FundamentalValue enabled(crash_reporting_enabled);
base::FundamentalValue dynamic_backend(system_crash_reporter);
base::StringValue version(version_info::GetVersionNumber());
web_ui()->CallJavascriptFunction("updateCrashList", enabled, dynamic_backend,
crash_list, version);
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
//
// CrashesUI
//
///////////////////////////////////////////////////////////////////////////////
CrashesUI::CrashesUI(content::WebUI* web_ui) : WebUIController(web_ui) {
web_ui->AddMessageHandler(new CrashesDOMHandler());
// Set up the chrome://crashes/ source.
Profile* profile = Profile::FromWebUI(web_ui);
content::WebUIDataSource::Add(profile, CreateCrashesUIHTMLSource());
}
// static
base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes(
ui::ScaleFactor scale_factor) {
return ResourceBundle::GetSharedInstance().
LoadDataResourceBytesForScale(IDR_SAD_FAVICON, scale_factor);
}
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