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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/chromeos/dbus/printer_service_provider.h"
#include "ash/session/session_state_delegate.h"
#include "ash/shell.h"
#include "ash/wm/window_util.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/metrics/histogram.h"
#include "base/strings/stringprintf.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
#include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "dbus/bus.h"
#include "dbus/exported_object.h"
#include "dbus/message.h"
#include "net/base/escape.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#include "ui/aura/window.h"
namespace {
const char kPrinterAdded[] = "PrinterAdded";
enum PrinterServiceEvent {
PRINTER_ADDED,
PAGE_DISPLAYED,
PRINTER_SERVICE_EVENT_MAX,
};
// TODO(vitalybuka): update URL with more relevant information.
const char kCloudPrintLearnUrl[] =
"https://www.google.com/landing/cloudprint/index.html";
void ActivateContents(Browser* browser, content::WebContents* contents) {
browser->tab_strip_model()->ActivateTabAt(
browser->tab_strip_model()->GetIndexOfWebContents(contents), false);
}
Browser* ActivateAndGetBrowserForUrl(GURL url) {
for (TabContentsIterator it; !it.done(); it.Next()) {
if (it->GetLastCommittedURL() == url) {
ActivateContents(it.browser(), *it);
return it.browser();
}
}
return NULL;
}
void FindOrOpenCloudPrintPage(const std::string& /* vendor */,
const std::string& /* product */) {
UMA_HISTOGRAM_ENUMERATION("PrinterService.PrinterServiceEvent", PRINTER_ADDED,
PRINTER_SERVICE_EVENT_MAX);
if (!ash::Shell::GetInstance()->session_state_delegate()->
IsActiveUserSessionStarted() ||
ash::Shell::GetInstance()->session_state_delegate()->IsScreenLocked()) {
return;
}
Profile* profile = ProfileManager::GetLastUsedProfile();
if (!profile)
return;
GURL url(kCloudPrintLearnUrl);
if (!ActivateAndGetBrowserForUrl(url)) {
chrome::ScopedTabbedBrowserDisplayer displayer(
profile, chrome::HOST_DESKTOP_TYPE_ASH);
UMA_HISTOGRAM_ENUMERATION("PrinterService.PrinterServiceEvent",
PAGE_DISPLAYED, PRINTER_SERVICE_EVENT_MAX);
chrome::AddSelectedTabWithURL(displayer.browser(), url,
ui::PAGE_TRANSITION_LINK);
}
}
} // namespace
namespace chromeos {
PrinterServiceProvider::PrinterServiceProvider()
: weak_ptr_factory_(this) {
}
PrinterServiceProvider::~PrinterServiceProvider() {
}
void PrinterServiceProvider::Start(
scoped_refptr<dbus::ExportedObject> exported_object) {
exported_object_ = exported_object;
DVLOG(1) << "PrinterServiceProvider started";
exported_object_->ExportMethod(
kLibCrosServiceInterface,
kPrinterAdded,
base::Bind(&PrinterServiceProvider::PrinterAdded,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&PrinterServiceProvider::OnExported,
weak_ptr_factory_.GetWeakPtr()));
}
void PrinterServiceProvider::OnExported(
const std::string& interface_name,
const std::string& method_name,
bool success) {
if (!success) {
LOG(ERROR) << "Failed to export " << interface_name << "."
<< method_name;
}
DVLOG(1) << "Method exported: " << interface_name << "." << method_name;
}
void PrinterServiceProvider::ShowCloudPrintHelp(const std::string& vendor,
const std::string& product) {
content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
base::Bind(&FindOrOpenCloudPrintPage, vendor,
product));
}
void PrinterServiceProvider::PrinterAdded(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
DVLOG(1) << "PrinterAdded " << method_call->ToString();
dbus::MessageReader reader(method_call);
std::string vendor;
std::string product;
// Don't check for error, parameters are optional. If some string is empty
// web server will show generic help page.
reader.PopString(&vendor);
reader.PopString(&product);
ShowCloudPrintHelp(vendor, product);
// Send an empty response.
response_sender.Run(dbus::Response::FromMethodCall(method_call));
}
} // namespace chromeos
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