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// Copyright 2014 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/gcm_internals_ui.h"
#include <memory>
#include <vector>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "chrome/browser/gcm/gcm_profile_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "components/gcm_driver/gcm_client.h"
#include "components/gcm_driver/gcm_driver.h"
#include "components/gcm_driver/gcm_internals_constants.h"
#include "components/gcm_driver/gcm_internals_helper.h"
#include "components/gcm_driver/gcm_profile_service.h"
#include "components/grit/gcm_internals_resources.h"
#include "components/grit/gcm_internals_resources_map.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_controller.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "ui/webui/webui_util.h"
GCMInternalsUIConfig::GCMInternalsUIConfig()
: DefaultWebUIConfig(content::kChromeUIScheme,
chrome::kChromeUIGCMInternalsHost) {}
namespace {
// Class acting as a controller of the chrome://gcm-internals WebUI.
class GcmInternalsUIMessageHandler : public content::WebUIMessageHandler {
public:
GcmInternalsUIMessageHandler();
GcmInternalsUIMessageHandler(const GcmInternalsUIMessageHandler&) = delete;
GcmInternalsUIMessageHandler& operator=(const GcmInternalsUIMessageHandler&) =
delete;
~GcmInternalsUIMessageHandler() override;
// WebUIMessageHandler implementation.
void RegisterMessages() override;
void OnJavascriptDisallowed() override;
private:
// Return all of the GCM related infos to the gcm-internals page by calling
// Javascript callback function
// |gcm-internals.returnInfo()|.
void ReturnResults(Profile* profile,
gcm::GCMProfileService* profile_service,
const gcm::GCMClient::GCMStatistics* stats);
// Request all of the GCM related infos through gcm profile service.
void RequestAllInfo(const base::Value::List& args);
// Enables/disables GCM activity recording through gcm profile service.
void SetRecording(const base::Value::List& args);
// Callback function of the request for all gcm related infos.
void RequestGCMStatisticsFinished(const gcm::GCMClient::GCMStatistics& args);
// Factory for creating references in callbacks.
base::WeakPtrFactory<GcmInternalsUIMessageHandler> weak_ptr_factory_{this};
};
GcmInternalsUIMessageHandler::GcmInternalsUIMessageHandler() = default;
GcmInternalsUIMessageHandler::~GcmInternalsUIMessageHandler() = default;
void GcmInternalsUIMessageHandler::ReturnResults(
Profile* profile,
gcm::GCMProfileService* profile_service,
const gcm::GCMClient::GCMStatistics* stats) {
base::Value::Dict results = gcm_driver::SetGCMInternalsInfo(
stats, profile_service, profile->GetPrefs());
FireWebUIListener(gcm_driver::kSetGcmInternalsInfo, results);
}
void GcmInternalsUIMessageHandler::RequestAllInfo(
const base::Value::List& list) {
AllowJavascript();
if (list.size() != 1) {
NOTREACHED();
}
const bool clear_logs = list[0].GetBool();
gcm::GCMDriver::ClearActivityLogs clear_activity_logs =
clear_logs ? gcm::GCMDriver::CLEAR_LOGS : gcm::GCMDriver::KEEP_LOGS;
Profile* profile = Profile::FromWebUI(web_ui());
gcm::GCMProfileService* profile_service =
gcm::GCMProfileServiceFactory::GetForProfile(profile);
if (!profile_service || !profile_service->driver()) {
ReturnResults(profile, nullptr, nullptr);
} else {
profile_service->driver()->GetGCMStatistics(
base::BindOnce(
&GcmInternalsUIMessageHandler::RequestGCMStatisticsFinished,
weak_ptr_factory_.GetWeakPtr()),
clear_activity_logs);
}
}
void GcmInternalsUIMessageHandler::SetRecording(const base::Value::List& list) {
if (list.size() != 1) {
NOTREACHED();
}
const bool recording = list[0].GetBool();
Profile* profile = Profile::FromWebUI(web_ui());
gcm::GCMProfileService* profile_service =
gcm::GCMProfileServiceFactory::GetForProfile(profile);
if (!profile_service) {
ReturnResults(profile, nullptr, nullptr);
return;
}
// Get fresh stats after changing recording setting.
profile_service->driver()->SetGCMRecording(
base::BindRepeating(
&GcmInternalsUIMessageHandler::RequestGCMStatisticsFinished,
weak_ptr_factory_.GetWeakPtr()),
recording);
}
void GcmInternalsUIMessageHandler::RequestGCMStatisticsFinished(
const gcm::GCMClient::GCMStatistics& stats) {
Profile* profile = Profile::FromWebUI(web_ui());
DCHECK(profile);
gcm::GCMProfileService* profile_service =
gcm::GCMProfileServiceFactory::GetForProfile(profile);
DCHECK(profile_service);
ReturnResults(profile, profile_service, &stats);
}
void GcmInternalsUIMessageHandler::RegisterMessages() {
// It is safe to use base::Unretained here, since web_ui owns this message
// handler.
web_ui()->RegisterMessageCallback(
gcm_driver::kGetGcmInternalsInfo,
base::BindRepeating(&GcmInternalsUIMessageHandler::RequestAllInfo,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
gcm_driver::kSetGcmInternalsRecording,
base::BindRepeating(&GcmInternalsUIMessageHandler::SetRecording,
base::Unretained(this)));
}
void GcmInternalsUIMessageHandler::OnJavascriptDisallowed() {
// Invalidate weak ptrs in order to cancel callbacks from the
// GCMProfileServiceFactory. If the page is being navigated away from, this
// prevents such callbacks from triggering a CHECK by trying to run JS code
// on some other page. If the page is refreshed, this prevents the callbacks
// from triggering a CHECK by trying to run JS code on the refreshed page when
// the JS side is not yet ready, which can lead to a broken UI experience.
weak_ptr_factory_.InvalidateWeakPtrs();
}
} // namespace
GCMInternalsUI::GCMInternalsUI(content::WebUI* web_ui)
: content::WebUIController(web_ui) {
// Set up the chrome://gcm-internals source.
content::WebUIDataSource* html_source =
content::WebUIDataSource::CreateAndAdd(Profile::FromWebUI(web_ui),
chrome::kChromeUIGCMInternalsHost);
// Add required resources.
webui::SetupWebUIDataSource(html_source, kGcmInternalsResources,
IDR_GCM_INTERNALS_GCM_INTERNALS_HTML);
web_ui->AddMessageHandler(std::make_unique<GcmInternalsUIMessageHandler>());
}
GCMInternalsUI::~GCMInternalsUI() = default;
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