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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/printing/cloud_print/cloud_print_proxy_service.h"
#include <stack>
#include <vector>
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/notifications/desktop_notification_service.h"
#include "chrome/browser/notifications/notification.h"
#include "chrome/browser/notifications/notification_ui_manager.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/printing/cloud_print/cloud_print_setup_flow.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/service/service_process_control.h"
#include "chrome/browser/service/service_process_control_manager.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/service_messages.h"
#include "content/browser/browser_thread.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
// TODO(sanjeevr): Localize the product name?
const char kCloudPrintProductName[] = "Google Cloud Print";
class CloudPrintProxyService::TokenExpiredNotificationDelegate
: public NotificationDelegate {
public:
explicit TokenExpiredNotificationDelegate(
CloudPrintProxyService* cloud_print_service)
: cloud_print_service_(cloud_print_service) {
}
void Display() {}
void Error() {
cloud_print_service_->OnTokenExpiredNotificationError();
}
void Close(bool by_user) {
cloud_print_service_->OnTokenExpiredNotificationClosed(by_user);
}
void Click() {
cloud_print_service_->OnTokenExpiredNotificationClick();
}
std::string id() const { return "cloudprint.tokenexpired"; }
private:
CloudPrintProxyService* cloud_print_service_;
DISALLOW_COPY_AND_ASSIGN(TokenExpiredNotificationDelegate);
};
CloudPrintProxyService::CloudPrintProxyService(Profile* profile)
: profile_(profile), token_expired_delegate_(NULL) {
}
CloudPrintProxyService::~CloudPrintProxyService() {
}
void CloudPrintProxyService::Initialize() {
if (profile_->GetPrefs()->HasPrefPath(prefs::kCloudPrintEmail) &&
!profile_->GetPrefs()->GetString(prefs::kCloudPrintEmail).empty()) {
// If the cloud print proxy is enabled, establish a channel with the
// service process and update the status.
RefreshStatusFromService();
}
}
void CloudPrintProxyService::RefreshStatusFromService() {
InvokeServiceTask(
NewRunnableMethod(
this, &CloudPrintProxyService::RefreshCloudPrintProxyStatus));
}
void CloudPrintProxyService::EnableForUser(const std::string& lsid,
const std::string& email) {
InvokeServiceTask(
NewRunnableMethod(
this, &CloudPrintProxyService::EnableCloudPrintProxy, lsid, email));
}
void CloudPrintProxyService::DisableForUser() {
InvokeServiceTask(
NewRunnableMethod(
this, &CloudPrintProxyService::DisableCloudPrintProxy));
}
bool CloudPrintProxyService::ShowTokenExpiredNotification() {
// If we already have a pending notification, don't show another one.
if (token_expired_delegate_.get())
return false;
// TODO(sanjeevr): Get icon for this notification.
GURL icon_url;
string16 title = UTF8ToUTF16(kCloudPrintProductName);
string16 message =
l10n_util::GetStringUTF16(IDS_CLOUD_PRINT_TOKEN_EXPIRED_MESSAGE);
string16 content_url = DesktopNotificationService::CreateDataUrl(
icon_url, title, message, WebKit::WebTextDirectionDefault);
token_expired_delegate_ = new TokenExpiredNotificationDelegate(this);
Notification notification(GURL(), GURL(content_url), string16(), string16(),
token_expired_delegate_.get());
g_browser_process->notification_ui_manager()->Add(notification, profile_);
// Keep the browser alive while we are showing the notification.
BrowserList::StartKeepAlive();
return true;
}
void CloudPrintProxyService::OnTokenExpiredNotificationError() {
TokenExpiredNotificationDone(false);
}
void CloudPrintProxyService::OnTokenExpiredNotificationClosed(bool by_user) {
TokenExpiredNotificationDone(false);
}
void CloudPrintProxyService::OnTokenExpiredNotificationClick() {
TokenExpiredNotificationDone(true);
// Clear the cached cloud print email pref so that the cloud print setup
// flow happens.
profile_->GetPrefs()->SetString(prefs::kCloudPrintEmail, std::string());
cloud_print_setup_handler_.reset(new CloudPrintSetupHandler(this));
CloudPrintSetupFlow::OpenDialog(
profile_, cloud_print_setup_handler_->AsWeakPtr(), NULL);
}
void CloudPrintProxyService::TokenExpiredNotificationDone(bool keep_alive) {
if (token_expired_delegate_.get()) {
g_browser_process->notification_ui_manager()->CancelById(
token_expired_delegate_->id());
token_expired_delegate_ = NULL;
if (!keep_alive)
BrowserList::EndKeepAlive();
}
}
void CloudPrintProxyService::OnCloudPrintSetupClosed() {
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableFunction(&BrowserList::EndKeepAlive));
}
void CloudPrintProxyService::RefreshCloudPrintProxyStatus() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
ServiceProcessControl* process_control =
ServiceProcessControlManager::GetInstance()->GetProcessControl(profile_);
DCHECK(process_control->is_connected());
Callback2<bool, std::string>::Type* callback =
NewCallback(this, &CloudPrintProxyService::StatusCallback);
// GetCloudPrintProxyStatus takes ownership of callback.
process_control->GetCloudPrintProxyStatus(callback);
}
void CloudPrintProxyService::EnableCloudPrintProxy(const std::string& lsid,
const std::string& email) {
ServiceProcessControl* process_control =
ServiceProcessControlManager::GetInstance()->GetProcessControl(profile_);
DCHECK(process_control->is_connected());
process_control->Send(new ServiceMsg_EnableCloudPrintProxy(lsid));
// Assume the IPC worked.
profile_->GetPrefs()->SetString(prefs::kCloudPrintEmail, email);
}
void CloudPrintProxyService::DisableCloudPrintProxy() {
ServiceProcessControl* process_control =
ServiceProcessControlManager::GetInstance()->GetProcessControl(profile_);
DCHECK(process_control->is_connected());
process_control->Send(new ServiceMsg_DisableCloudPrintProxy);
// Assume the IPC worked.
profile_->GetPrefs()->SetString(prefs::kCloudPrintEmail, std::string());
}
void CloudPrintProxyService::StatusCallback(bool enabled, std::string email) {
profile_->GetPrefs()->SetString(prefs::kCloudPrintEmail,
enabled ? email : std::string());
}
bool CloudPrintProxyService::InvokeServiceTask(Task* task) {
ServiceProcessControl* process_control =
ServiceProcessControlManager::GetInstance()->GetProcessControl(profile_);
DCHECK(process_control);
if (process_control)
process_control->Launch(task, NULL);
return !!process_control;
}
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