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android / platform / external / chromium_org / 116680a4aac90f2aa7413d9095a592090648e557 / . / chrome / browser / ui / webui / print_preview / print_preview_handler.cc
blob: 86ee312de2523d6cdec431d45fdeac0d8f56af72 [file] [log] [blame]
// 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/print_preview/print_preview_handler.h"
#include <ctype.h>
#include <map>
#include <string>
#include "base/base64.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/i18n/file_util_icu.h"
#include "base/i18n/number_formatting.h"
#include "base/json/json_reader.h"
#include "base/lazy_instance.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/ref_counted_memory.h"
#include "base/metrics/histogram.h"
#include "base/path_service.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread.h"
#include "base/threading/thread_restrictions.h"
#include "base/values.h"
#include "chrome/browser/app_mode/app_mode_utils.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/printing/print_dialog_cloud.h"
#include "chrome/browser/printing/print_error_dialog.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "chrome/browser/printing/print_view_manager.h"
#include "chrome/browser/printing/printer_manager_dialog.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/account_reconcilor_factory.h"
#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/chrome_select_file_policy.h"
#include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
#include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
#include "chrome/browser/ui/webui/print_preview/sticky_settings.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/cloud_print/cloud_print_cdd_conversion.h"
#include "chrome/common/cloud_print/cloud_print_constants.h"
#include "chrome/common/crash_keys.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/print_messages.h"
#include "components/cloud_devices/common/cloud_device_description.h"
#include "components/cloud_devices/common/cloud_devices_urls.h"
#include "components/cloud_devices/common/printer_description.h"
#include "components/signin/core/browser/account_reconcilor.h"
#include "components/signin/core/browser/profile_oauth2_token_service.h"
#include "components/signin/core/browser/signin_manager.h"
#include "components/signin/core/common/profile_management_switches.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "google_apis/gaia/oauth2_token_service.h"
#include "printing/backend/print_backend.h"
#include "printing/backend/print_backend_consts.h"
#include "printing/metafile.h"
#include "printing/metafile_impl.h"
#include "printing/pdf_render_settings.h"
#include "printing/print_settings.h"
#include "printing/printing_context.h"
#include "printing/units.h"
#include "third_party/icu/source/i18n/unicode/ulocdata.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
#include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
#endif
#if defined(ENABLE_SERVICE_DISCOVERY)
#include "chrome/browser/local_discovery/privet_constants.h"
#endif
using content::BrowserThread;
using content::RenderViewHost;
using content::WebContents;
namespace {
enum UserActionBuckets {
PRINT_TO_PRINTER,
PRINT_TO_PDF,
CANCEL,
FALLBACK_TO_ADVANCED_SETTINGS_DIALOG,
PREVIEW_FAILED,
PREVIEW_STARTED,
INITIATOR_CRASHED, // UNUSED
INITIATOR_CLOSED,
PRINT_WITH_CLOUD_PRINT,
PRINT_WITH_PRIVET,
USERACTION_BUCKET_BOUNDARY
};
enum PrintSettingsBuckets {
LANDSCAPE = 0,
PORTRAIT,
COLOR,
BLACK_AND_WHITE,
COLLATE,
SIMPLEX,
DUPLEX,
TOTAL,
HEADERS_AND_FOOTERS,
CSS_BACKGROUND,
SELECTION_ONLY,
EXTERNAL_PDF_PREVIEW,
PRINT_SETTINGS_BUCKET_BOUNDARY
};
enum UiBucketGroups {
DESTINATION_SEARCH,
GCP_PROMO,
UI_BUCKET_GROUP_BOUNDARY
};
enum PrintDestinationBuckets {
DESTINATION_SHOWN,
DESTINATION_CLOSED_CHANGED,
DESTINATION_CLOSED_UNCHANGED,
SIGNIN_PROMPT,
SIGNIN_TRIGGERED,
PRIVET_DUPLICATE_SELECTED,
CLOUD_DUPLICATE_SELECTED,
REGISTER_PROMO_SHOWN,
REGISTER_PROMO_SELECTED,
ACCOUNT_CHANGED,
ADD_ACCOUNT_SELECTED,
PRINT_DESTINATION_BUCKET_BOUNDARY
};
enum GcpPromoBuckets {
PROMO_SHOWN,
PROMO_CLOSED,
PROMO_CLICKED,
GCP_PROMO_BUCKET_BOUNDARY
};
void ReportUserActionHistogram(enum UserActionBuckets event) {
UMA_HISTOGRAM_ENUMERATION("PrintPreview.UserAction", event,
USERACTION_BUCKET_BOUNDARY);
}
void ReportPrintSettingHistogram(enum PrintSettingsBuckets setting) {
UMA_HISTOGRAM_ENUMERATION("PrintPreview.PrintSettings", setting,
PRINT_SETTINGS_BUCKET_BOUNDARY);
}
void ReportPrintDestinationHistogram(enum PrintDestinationBuckets event) {
UMA_HISTOGRAM_ENUMERATION("PrintPreview.DestinationAction", event,
PRINT_DESTINATION_BUCKET_BOUNDARY);
}
void ReportGcpPromoHistogram(enum GcpPromoBuckets event) {
UMA_HISTOGRAM_ENUMERATION("PrintPreview.GcpPromo", event,
GCP_PROMO_BUCKET_BOUNDARY);
}
// Name of a dictionary field holding cloud print related data;
const char kAppState[] = "appState";
// Name of a dictionary field holding the initiator title.
const char kInitiatorTitle[] = "initiatorTitle";
// Name of a dictionary field holding the measurement system according to the
// locale.
const char kMeasurementSystem[] = "measurementSystem";
// Name of a dictionary field holding the number format according to the locale.
const char kNumberFormat[] = "numberFormat";
// Name of a dictionary field specifying whether to print automatically in
// kiosk mode. See http://crbug.com/31395.
const char kPrintAutomaticallyInKioskMode[] = "printAutomaticallyInKioskMode";
// Dictionary field to indicate whether Chrome is running in forced app (app
// kiosk) mode. It's not the same as desktop Chrome kiosk (the one above).
const char kAppKioskMode[] = "appKioskMode";
// Dictionary field to store Cloud Print base URL.
const char kCloudPrintUrl[] = "cloudPrintUrl";
#if defined(OS_WIN)
const char kHidePrintWithSystemDialogLink[] = "hidePrintWithSystemDialogLink";
#endif
// Name of a dictionary field holding the state of selection for document.
const char kDocumentHasSelection[] = "documentHasSelection";
// Id of the predefined PDF printer.
const char kLocalPdfPrinterId[] = "Save as PDF";
// Additional printer capability setting keys.
const char kPrinterId[] = "printerId";
const char kPrinterCapabilities[] = "capabilities";
// Get the print job settings dictionary from |args|. The caller takes
// ownership of the returned DictionaryValue. Returns NULL on failure.
base::DictionaryValue* GetSettingsDictionary(const base::ListValue* args) {
std::string json_str;
if (!args->GetString(0, &json_str)) {
NOTREACHED() << "Could not read JSON argument";
return NULL;
}
if (json_str.empty()) {
NOTREACHED() << "Empty print job settings";
return NULL;
}
scoped_ptr<base::DictionaryValue> settings(
static_cast<base::DictionaryValue*>(
base::JSONReader::Read(json_str)));
if (!settings.get() || !settings->IsType(base::Value::TYPE_DICTIONARY)) {
NOTREACHED() << "Print job settings must be a dictionary.";
return NULL;
}
if (settings->empty()) {
NOTREACHED() << "Print job settings dictionary is empty";
return NULL;
}
return settings.release();
}
// Track the popularity of print settings and report the stats.
void ReportPrintSettingsStats(const base::DictionaryValue& settings) {
ReportPrintSettingHistogram(TOTAL);
bool landscape = false;
if (settings.GetBoolean(printing::kSettingLandscape, &landscape))
ReportPrintSettingHistogram(landscape ? LANDSCAPE : PORTRAIT);
bool collate = false;
if (settings.GetBoolean(printing::kSettingCollate, &collate) && collate)
ReportPrintSettingHistogram(COLLATE);
int duplex_mode = 0;
if (settings.GetInteger(printing::kSettingDuplexMode, &duplex_mode))
ReportPrintSettingHistogram(duplex_mode ? DUPLEX : SIMPLEX);
int color_mode = 0;
if (settings.GetInteger(printing::kSettingColor, &color_mode)) {
ReportPrintSettingHistogram(
printing::IsColorModelSelected(color_mode) ? COLOR : BLACK_AND_WHITE);
}
bool headers = false;
if (settings.GetBoolean(printing::kSettingHeaderFooterEnabled, &headers) &&
headers) {
ReportPrintSettingHistogram(HEADERS_AND_FOOTERS);
}
bool css_background = false;
if (settings.GetBoolean(printing::kSettingShouldPrintBackgrounds,
&css_background) && css_background) {
ReportPrintSettingHistogram(CSS_BACKGROUND);
}
bool selection_only = false;
if (settings.GetBoolean(printing::kSettingShouldPrintSelectionOnly,
&selection_only) && selection_only) {
ReportPrintSettingHistogram(SELECTION_ONLY);
}
bool external_preview = false;
if (settings.GetBoolean(printing::kSettingOpenPDFInPreview,
&external_preview) && external_preview) {
ReportPrintSettingHistogram(EXTERNAL_PDF_PREVIEW);
}
}
// Callback that stores a PDF file on disk.
void PrintToPdfCallback(printing::Metafile* metafile,
const base::FilePath& path) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
metafile->SaveTo(path);
// |metafile| must be deleted on the UI thread.
BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, metafile);
}
std::string GetDefaultPrinterOnFileThread() {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
scoped_refptr<printing::PrintBackend> print_backend(
printing::PrintBackend::CreateInstance(NULL));
std::string default_printer = print_backend->GetDefaultPrinterName();
VLOG(1) << "Default Printer: " << default_printer;
return default_printer;
}
gfx::Size GetDefaultPdfMediaSizeMicrons() {
scoped_ptr<printing::PrintingContext> printing_context(
printing::PrintingContext::Create(
g_browser_process->GetApplicationLocale()));
if (printing::PrintingContext::OK != printing_context->UsePdfSettings() ||
printing_context->settings().device_units_per_inch() <= 0) {
return gfx::Size();
}
gfx::Size pdf_media_size = printing_context->GetPdfPaperSizeDeviceUnits();
float deviceMicronsPerDeviceUnit =
(printing::kHundrethsMMPerInch * 10.0f) /
printing_context->settings().device_units_per_inch();
return gfx::Size(pdf_media_size.width() * deviceMicronsPerDeviceUnit,
pdf_media_size.height() * deviceMicronsPerDeviceUnit);
}
typedef base::Callback<void(const base::DictionaryValue*)>
GetPdfCapabilitiesCallback;
scoped_ptr<base::DictionaryValue> GetPdfCapabilitiesOnFileThread(
const std::string& locale) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
cloud_devices::CloudDeviceDescription description;
using namespace cloud_devices::printer;
OrientationCapability orientation;
orientation.AddOption(cloud_devices::printer::PORTRAIT);
orientation.AddOption(cloud_devices::printer::LANDSCAPE);
orientation.AddDefaultOption(AUTO_ORIENTATION, true);
orientation.SaveTo(&description);
ColorCapability color;
{
Color standard_color(STANDARD_COLOR);
standard_color.vendor_id = base::IntToString(printing::COLOR);
color.AddDefaultOption(standard_color, true);
}
color.SaveTo(&description);
static const cloud_devices::printer::MediaType kPdfMedia[] = {
ISO_A4,
ISO_A3,
NA_LETTER,
NA_LEGAL,
NA_LEDGER
};
const gfx::Size default_media_size = GetDefaultPdfMediaSizeMicrons();
Media default_media(
"", "", default_media_size.width(), default_media_size.height());
if (!default_media.MatchBySize() ||
std::find(kPdfMedia,
kPdfMedia + arraysize(kPdfMedia),
default_media.type) == kPdfMedia + arraysize(kPdfMedia)) {
default_media = Media(locale == "en-US" ? NA_LETTER : ISO_A4);
}
MediaCapability media;
for (size_t i = 0; i < arraysize(kPdfMedia); ++i) {
Media media_option(kPdfMedia[i]);
media.AddDefaultOption(media_option,
default_media.type == media_option.type);
}
media.SaveTo(&description);
return scoped_ptr<base::DictionaryValue>(description.root().DeepCopy());
}
scoped_ptr<base::DictionaryValue> GetLocalPrinterCapabilitiesOnFileThread(
const std::string& printer_name) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
scoped_refptr<printing::PrintBackend> print_backend(
printing::PrintBackend::CreateInstance(NULL));
VLOG(1) << "Get printer capabilities start for " << printer_name;
crash_keys::ScopedPrinterInfo crash_key(
print_backend->GetPrinterDriverInfo(printer_name));
if (!print_backend->IsValidPrinter(printer_name)) {
LOG(WARNING) << "Invalid printer " << printer_name;
return scoped_ptr<base::DictionaryValue>();
}
printing::PrinterSemanticCapsAndDefaults info;
if (!print_backend->GetPrinterSemanticCapsAndDefaults(printer_name, &info)) {
LOG(WARNING) << "Failed to get capabilities for " << printer_name;
return scoped_ptr<base::DictionaryValue>();
}
scoped_ptr<base::DictionaryValue> description(
cloud_print::PrinterSemanticCapsAndDefaultsToCdd(info));
if (!description) {
LOG(WARNING) << "Failed to convert capabilities for " << printer_name;
return scoped_ptr<base::DictionaryValue>();
}
return description.Pass();
}
void EnumeratePrintersOnFileThread(base::ListValue* printers) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
scoped_refptr<printing::PrintBackend> print_backend(
printing::PrintBackend::CreateInstance(NULL));
VLOG(1) << "Enumerate printers start";
printing::PrinterList printer_list;
print_backend->EnumeratePrinters(&printer_list);
for (printing::PrinterList::iterator it = printer_list.begin();
it != printer_list.end(); ++it) {
base::DictionaryValue* printer_info = new base::DictionaryValue;
printers->Append(printer_info);
std::string printer_name;
std::string printer_description;
#if defined(OS_MACOSX)
// On Mac, |it->printer_description| specifies the printer name and
// |it->printer_name| specifies the device name / printer queue name.
printer_name = it->printer_description;
if (!it->options[kDriverNameTagName].empty())
printer_description = it->options[kDriverNameTagName];
#else
printer_name = it->printer_name;
printer_description = it->printer_description;
#endif
printer_info->SetString(printing::kSettingDeviceName, it->printer_name);
printer_info->SetString(printing::kSettingPrinterDescription,
printer_description);
printer_info->SetString(printing::kSettingPrinterName, printer_name);
VLOG(1) << "Found printer " << printer_name
<< " with device name " << it->printer_name;
base::DictionaryValue* options = new base::DictionaryValue;
printer_info->Set(printing::kSettingPrinterOptions, options);
for (std::map<std::string, std::string>::iterator opt = it->options.begin();
opt != it->options.end();
++opt) {
options->SetString(opt->first, opt->second);
}
VLOG(1) << "Found printer " << printer_name << " with device name "
<< it->printer_name;
}
VLOG(1) << "Enumerate printers finished, found " << printers->GetSize()
<< " printers";
}
typedef base::Callback<void(const base::DictionaryValue*)>
GetPrinterCapabilitiesSuccessCallback;
typedef base::Callback<void(const std::string&)>
GetPrinterCapabilitiesFailureCallback;
void GetPrinterCapabilitiesOnFileThread(
const std::string& printer_name,
const std::string& locale,
const GetPrinterCapabilitiesSuccessCallback& success_cb,
const GetPrinterCapabilitiesFailureCallback& failure_cb) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
DCHECK(!printer_name.empty());
scoped_ptr<base::DictionaryValue> printer_capabilities(
printer_name == kLocalPdfPrinterId ?
GetPdfCapabilitiesOnFileThread(locale) :
GetLocalPrinterCapabilitiesOnFileThread(printer_name));
if (!printer_capabilities) {
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(failure_cb, printer_name));
return;
}
scoped_ptr<base::DictionaryValue> printer_info(new base::DictionaryValue);
printer_info->SetString(kPrinterId, printer_name);
printer_info->Set(kPrinterCapabilities, printer_capabilities.release());
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(success_cb, base::Owned(printer_info.release())));
}
base::LazyInstance<printing::StickySettings> g_sticky_settings =
LAZY_INSTANCE_INITIALIZER;
printing::StickySettings* GetStickySettings() {
return g_sticky_settings.Pointer();
}
} // namespace
class PrintPreviewHandler::AccessTokenService
: public OAuth2TokenService::Consumer {
public:
explicit AccessTokenService(PrintPreviewHandler* handler)
: OAuth2TokenService::Consumer("print_preview"),
handler_(handler) {
}
void RequestToken(const std::string& type) {
if (requests_.find(type) != requests_.end())
return; // Already in progress.
OAuth2TokenService* service = NULL;
std::string account_id;
if (type == "profile") {
Profile* profile = Profile::FromWebUI(handler_->web_ui());
if (profile) {
ProfileOAuth2TokenService* token_service =
ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
SigninManagerBase* signin_manager =
SigninManagerFactory::GetInstance()->GetForProfile(profile);
account_id = signin_manager->GetAuthenticatedAccountId();
service = token_service;
}
} else if (type == "device") {
#if defined(OS_CHROMEOS)
chromeos::DeviceOAuth2TokenService* token_service =
chromeos::DeviceOAuth2TokenServiceFactory::Get();
account_id = token_service->GetRobotAccountId();
service = token_service;
#endif
}
if (service) {
OAuth2TokenService::ScopeSet oauth_scopes;
oauth_scopes.insert(cloud_devices::kCloudPrintAuthScope);
scoped_ptr<OAuth2TokenService::Request> request(
service->StartRequest(account_id, oauth_scopes, this));
requests_[type].reset(request.release());
} else {
handler_->SendAccessToken(type, std::string()); // Unknown type.
}
}
virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
const std::string& access_token,
const base::Time& expiration_time) OVERRIDE {
OnServiceResponce(request, access_token);
}
virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
const GoogleServiceAuthError& error) OVERRIDE {
OnServiceResponce(request, std::string());
}
private:
void OnServiceResponce(const OAuth2TokenService::Request* request,
const std::string& access_token) {
for (Requests::iterator i = requests_.begin(); i != requests_.end(); ++i) {
if (i->second == request) {
handler_->SendAccessToken(i->first, access_token);
requests_.erase(i);
return;
}
}
NOTREACHED();
}
typedef std::map<std::string,
linked_ptr<OAuth2TokenService::Request> > Requests;
Requests requests_;
PrintPreviewHandler* handler_;
DISALLOW_COPY_AND_ASSIGN(AccessTokenService);
};
PrintPreviewHandler::PrintPreviewHandler()
: regenerate_preview_request_count_(0),
manage_printers_dialog_request_count_(0),
manage_cloud_printers_dialog_request_count_(0),
reported_failed_preview_(false),
has_logged_printers_count_(false),
reconcilor_(NULL),
weak_factory_(this) {
ReportUserActionHistogram(PREVIEW_STARTED);
}
PrintPreviewHandler::~PrintPreviewHandler() {
if (select_file_dialog_.get())
select_file_dialog_->ListenerDestroyed();
UnregisterForMergeSession();
}
void PrintPreviewHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback("getPrinters",
base::Bind(&PrintPreviewHandler::HandleGetPrinters,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("getPreview",
base::Bind(&PrintPreviewHandler::HandleGetPreview,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("print",
base::Bind(&PrintPreviewHandler::HandlePrint,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("getPrinterCapabilities",
base::Bind(&PrintPreviewHandler::HandleGetPrinterCapabilities,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("showSystemDialog",
base::Bind(&PrintPreviewHandler::HandleShowSystemDialog,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("signIn",
base::Bind(&PrintPreviewHandler::HandleSignin,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("getAccessToken",
base::Bind(&PrintPreviewHandler::HandleGetAccessToken,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("manageCloudPrinters",
base::Bind(&PrintPreviewHandler::HandleManageCloudPrint,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("manageLocalPrinters",
base::Bind(&PrintPreviewHandler::HandleManagePrinters,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("closePrintPreviewDialog",
base::Bind(&PrintPreviewHandler::HandleClosePreviewDialog,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("hidePreview",
base::Bind(&PrintPreviewHandler::HandleHidePreview,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("cancelPendingPrintRequest",
base::Bind(&PrintPreviewHandler::HandleCancelPendingPrintRequest,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("saveAppState",
base::Bind(&PrintPreviewHandler::HandleSaveAppState,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("getInitialSettings",
base::Bind(&PrintPreviewHandler::HandleGetInitialSettings,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("reportUiEvent",
base::Bind(&PrintPreviewHandler::HandleReportUiEvent,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("printWithCloudPrintDialog",
base::Bind(&PrintPreviewHandler::HandlePrintWithCloudPrintDialog,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("forceOpenNewTab",
base::Bind(&PrintPreviewHandler::HandleForceOpenNewTab,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("getPrivetPrinters",
base::Bind(&PrintPreviewHandler::HandleGetPrivetPrinters,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("stopGetPrivetPrinters",
base::Bind(&PrintPreviewHandler::HandleStopGetPrivetPrinters,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("getPrivetPrinterCapabilities",
base::Bind(&PrintPreviewHandler::HandleGetPrivetPrinterCapabilities,
base::Unretained(this)));
RegisterForMergeSession();
}
bool PrintPreviewHandler::PrivetPrintingEnabled() {
#if defined(ENABLE_SERVICE_DISCOVERY)
return !base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableDeviceDiscovery);
#else
return false;
#endif
}
WebContents* PrintPreviewHandler::preview_web_contents() const {
return web_ui()->GetWebContents();
}
void PrintPreviewHandler::HandleGetPrinters(const base::ListValue* /*args*/) {
base::ListValue* results = new base::ListValue;
BrowserThread::PostTaskAndReply(
BrowserThread::FILE, FROM_HERE,
base::Bind(&EnumeratePrintersOnFileThread,
base::Unretained(results)),
base::Bind(&PrintPreviewHandler::SetupPrinterList,
weak_factory_.GetWeakPtr(),
base::Owned(results)));
}
void PrintPreviewHandler::HandleGetPrivetPrinters(const base::ListValue* args) {
#if defined(ENABLE_SERVICE_DISCOVERY)
if (PrivetPrintingEnabled()) {
Profile* profile = Profile::FromWebUI(web_ui());
service_discovery_client_ =
local_discovery::ServiceDiscoverySharedClient::GetInstance();
printer_lister_.reset(new local_discovery::PrivetLocalPrinterLister(
service_discovery_client_.get(),
profile->GetRequestContext(),
this));
printer_lister_->Start();
}
#endif
if (!PrivetPrintingEnabled()) {
web_ui()->CallJavascriptFunction("onPrivetPrinterSearchDone");
}
}
void PrintPreviewHandler::HandleStopGetPrivetPrinters(
const base::ListValue* args) {
#if defined(ENABLE_SERVICE_DISCOVERY)
if (PrivetPrintingEnabled()) {
printer_lister_->Stop();
}
#endif
}
void PrintPreviewHandler::HandleGetPrivetPrinterCapabilities(
const base::ListValue* args) {
#if defined(ENABLE_SERVICE_DISCOVERY)
std::string name;
bool success = args->GetString(0, &name);
DCHECK(success);
CreatePrivetHTTP(
name,
base::Bind(&PrintPreviewHandler::PrivetCapabilitiesUpdateClient,
base::Unretained(this)));
#endif
}
void PrintPreviewHandler::HandleGetPreview(const base::ListValue* args) {
DCHECK_EQ(3U, args->GetSize());
scoped_ptr<base::DictionaryValue> settings(GetSettingsDictionary(args));
if (!settings.get())
return;
int request_id = -1;
if (!settings->GetInteger(printing::kPreviewRequestID, &request_id))
return;
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
print_preview_ui->OnPrintPreviewRequest(request_id);
// Add an additional key in order to identify |print_preview_ui| later on
// when calling PrintPreviewUI::GetCurrentPrintPreviewStatus() on the IO
// thread.
settings->SetInteger(printing::kPreviewUIID,
print_preview_ui->GetIDForPrintPreviewUI());
// Increment request count.
++regenerate_preview_request_count_;
WebContents* initiator = GetInitiator();
if (!initiator) {
ReportUserActionHistogram(INITIATOR_CLOSED);
print_preview_ui->OnClosePrintPreviewDialog();
return;
}
// Retrieve the page title and url and send it to the renderer process if
// headers and footers are to be displayed.
bool display_header_footer = false;
if (!settings->GetBoolean(printing::kSettingHeaderFooterEnabled,
&display_header_footer)) {
NOTREACHED();
}
if (display_header_footer) {
settings->SetString(printing::kSettingHeaderFooterTitle,
initiator->GetTitle());
std::string url;
content::NavigationEntry* entry =
initiator->GetController().GetLastCommittedEntry();
if (entry)
url = entry->GetVirtualURL().spec();
settings->SetString(printing::kSettingHeaderFooterURL, url);
}
bool generate_draft_data = false;
bool success = settings->GetBoolean(printing::kSettingGenerateDraftData,
&generate_draft_data);
DCHECK(success);
if (!generate_draft_data) {
double draft_page_count_double = -1;
success = args->GetDouble(1, &draft_page_count_double);
DCHECK(success);
int draft_page_count = static_cast<int>(draft_page_count_double);
bool preview_modifiable = false;
success = args->GetBoolean(2, &preview_modifiable);
DCHECK(success);
if (draft_page_count != -1 && preview_modifiable &&
print_preview_ui->GetAvailableDraftPageCount() != draft_page_count) {
settings->SetBoolean(printing::kSettingGenerateDraftData, true);
}
}
VLOG(1) << "Print preview request start";
RenderViewHost* rvh = initiator->GetRenderViewHost();
rvh->Send(new PrintMsg_PrintPreview(rvh->GetRoutingID(), *settings));
}
void PrintPreviewHandler::HandlePrint(const base::ListValue* args) {
ReportStats();
// Record the number of times the user requests to regenerate preview data
// before printing.
UMA_HISTOGRAM_COUNTS("PrintPreview.RegeneratePreviewRequest.BeforePrint",
regenerate_preview_request_count_);
WebContents* initiator = GetInitiator();
if (initiator) {
RenderViewHost* rvh = initiator->GetRenderViewHost();
rvh->Send(new PrintMsg_ResetScriptedPrintCount(rvh->GetRoutingID()));
}
scoped_ptr<base::DictionaryValue> settings(GetSettingsDictionary(args));
if (!settings.get())
return;
// Never try to add headers/footers here. It's already in the generated PDF.
settings->SetBoolean(printing::kSettingHeaderFooterEnabled, false);
bool print_to_pdf = false;
bool is_cloud_printer = false;
bool print_with_privet = false;
bool open_pdf_in_preview = false;
#if defined(OS_MACOSX)
open_pdf_in_preview = settings->HasKey(printing::kSettingOpenPDFInPreview);
#endif
if (!open_pdf_in_preview) {
settings->GetBoolean(printing::kSettingPrintToPDF, &print_to_pdf);
settings->GetBoolean(printing::kSettingPrintWithPrivet, &print_with_privet);
is_cloud_printer = settings->HasKey(printing::kSettingCloudPrintId);
}
int page_count = 0;
settings->GetInteger(printing::kSettingPreviewPageCount, &page_count);
if (print_to_pdf) {
UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToPDF", page_count);
ReportUserActionHistogram(PRINT_TO_PDF);
PrintToPdf();
return;
}
#if defined(ENABLE_SERVICE_DISCOVERY)
if (print_with_privet && PrivetPrintingEnabled()) {
std::string printer_name;
std::string print_ticket;
std::string capabilities;
UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintWithPrivet", page_count);
ReportUserActionHistogram(PRINT_WITH_PRIVET);
int width = 0;
int height = 0;
if (!settings->GetString(printing::kSettingDeviceName, &printer_name) ||
!settings->GetString(printing::kSettingTicket, &print_ticket) ||
!settings->GetString(printing::kSettingCapabilities, &capabilities) ||
!settings->GetInteger(printing::kSettingPageWidth, &width) ||
!settings->GetInteger(printing::kSettingPageHeight, &height) ||
width <= 0 || height <= 0) {
NOTREACHED();
base::FundamentalValue http_code_value(-1);
web_ui()->CallJavascriptFunction("onPrivetPrintFailed", http_code_value);
return;
}
PrintToPrivetPrinter(
printer_name, print_ticket, capabilities, gfx::Size(width, height));
return;
}
#endif
scoped_refptr<base::RefCountedBytes> data;
base::string16 title;
if (!GetPreviewDataAndTitle(&data, &title)) {
// Nothing to print, no preview available.
return;
}
if (is_cloud_printer) {
UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToCloudPrint",
page_count);
ReportUserActionHistogram(PRINT_WITH_CLOUD_PRINT);
SendCloudPrintJob(data.get());
} else {
UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToPrinter", page_count);
ReportUserActionHistogram(PRINT_TO_PRINTER);
ReportPrintSettingsStats(*settings);
// This tries to activate the initiator as well, so do not clear the
// association with the initiator yet.
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
print_preview_ui->OnHidePreviewDialog();
// Do this so the initiator can open a new print preview dialog, while the
// current print preview dialog is still handling its print job.
ClearInitiatorDetails();
// The PDF being printed contains only the pages that the user selected,
// so ignore the page range and print all pages.
settings->Remove(printing::kSettingPageRange, NULL);
// Reset selection only flag for the same reason.
settings->SetBoolean(printing::kSettingShouldPrintSelectionOnly, false);
// Set ID to know whether printing is for preview.
settings->SetInteger(printing::kPreviewUIID,
print_preview_ui->GetIDForPrintPreviewUI());
RenderViewHost* rvh = preview_web_contents()->GetRenderViewHost();
rvh->Send(new PrintMsg_PrintForPrintPreview(rvh->GetRoutingID(),
*settings));
// For all other cases above, the preview dialog will stay open until the
// printing has finished. Then the dialog closes and PrintPreviewDone() gets
// called. In the case below, since the preview dialog will be hidden and
// not closed, we need to make this call.
if (initiator) {
printing::PrintViewManager* print_view_manager =
printing::PrintViewManager::FromWebContents(initiator);
print_view_manager->PrintPreviewDone();
}
}
}
void PrintPreviewHandler::PrintToPdf() {
if (!print_to_pdf_path_.empty()) {
// User has already selected a path, no need to show the dialog again.
PostPrintToPdfTask();
} else if (!select_file_dialog_.get() ||
!select_file_dialog_->IsRunning(platform_util::GetTopLevel(
preview_web_contents()->GetNativeView()))) {
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
// Pre-populating select file dialog with print job title.
base::string16 print_job_title_utf16 = print_preview_ui->initiator_title();
#if defined(OS_WIN)
base::FilePath::StringType print_job_title(print_job_title_utf16);
#elif defined(OS_POSIX)
base::FilePath::StringType print_job_title =
base::UTF16ToUTF8(print_job_title_utf16);
#endif
file_util::ReplaceIllegalCharactersInPath(&print_job_title, '_');
base::FilePath default_filename(print_job_title);
default_filename =
default_filename.ReplaceExtension(FILE_PATH_LITERAL("pdf"));
SelectFile(default_filename);
}
}
void PrintPreviewHandler::HandleHidePreview(const base::ListValue* /*args*/) {
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
print_preview_ui->OnHidePreviewDialog();
}
void PrintPreviewHandler::HandleCancelPendingPrintRequest(
const base::ListValue* /*args*/) {
WebContents* initiator = GetInitiator();
if (initiator)
ClearInitiatorDetails();
chrome::ShowPrintErrorDialog();
}
void PrintPreviewHandler::HandleSaveAppState(const base::ListValue* args) {
std::string data_to_save;
printing::StickySettings* sticky_settings = GetStickySettings();
if (args->GetString(0, &data_to_save) && !data_to_save.empty())
sticky_settings->StoreAppState(data_to_save);
sticky_settings->SaveInPrefs(Profile::FromBrowserContext(
preview_web_contents()->GetBrowserContext())->GetPrefs());
}
void PrintPreviewHandler::HandleGetPrinterCapabilities(
const base::ListValue* args) {
std::string printer_name;
bool ret = args->GetString(0, &printer_name);
if (!ret || printer_name.empty())
return;
GetPrinterCapabilitiesSuccessCallback success_cb =
base::Bind(&PrintPreviewHandler::SendPrinterCapabilities,
weak_factory_.GetWeakPtr());
GetPrinterCapabilitiesFailureCallback failure_cb =
base::Bind(&PrintPreviewHandler::SendFailedToGetPrinterCapabilities,
weak_factory_.GetWeakPtr());
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
base::Bind(&GetPrinterCapabilitiesOnFileThread,
printer_name,
g_browser_process->GetApplicationLocale(),
success_cb, failure_cb));
}
void PrintPreviewHandler::OnSigninComplete() {
PrintPreviewUI* print_preview_ui =
static_cast<PrintPreviewUI*>(web_ui()->GetController());
if (print_preview_ui)
print_preview_ui->OnReloadPrintersList();
}
void PrintPreviewHandler::HandleSignin(const base::ListValue* args) {
bool add_account = false;
bool success = args->GetBoolean(0, &add_account);
DCHECK(success);
Profile* profile = Profile::FromBrowserContext(
preview_web_contents()->GetBrowserContext());
chrome::ScopedTabbedBrowserDisplayer displayer(
profile, chrome::GetActiveDesktop());
print_dialog_cloud::CreateCloudPrintSigninTab(
displayer.browser(),
add_account,
base::Bind(&PrintPreviewHandler::OnSigninComplete,
weak_factory_.GetWeakPtr()));
}
void PrintPreviewHandler::HandleGetAccessToken(const base::ListValue* args) {
std::string type;
if (!args->GetString(0, &type))
return;
if (!token_service_)
token_service_.reset(new AccessTokenService(this));
token_service_->RequestToken(type);
}
void PrintPreviewHandler::PrintWithCloudPrintDialog() {
// Record the number of times the user asks to print via cloud print
// instead of the print preview dialog.
ReportStats();
scoped_refptr<base::RefCountedBytes> data;
base::string16 title;
if (!GetPreviewDataAndTitle(&data, &title)) {
// Nothing to print, no preview available.
return;
}
gfx::NativeWindow modal_parent = platform_util::GetTopLevel(
preview_web_contents()->GetNativeView());
print_dialog_cloud::CreatePrintDialogForBytes(
preview_web_contents()->GetBrowserContext(),
modal_parent,
data.get(),
title,
base::string16(),
std::string("application/pdf"));
// Once the cloud print dialog comes up we're no longer in a background
// printing situation. Close the print preview.
// TODO(abodenha@chromium.org) The flow should be changed as described in
// http://code.google.com/p/chromium/issues/detail?id=44093
ClosePreviewDialog();
}
void PrintPreviewHandler::HandleManageCloudPrint(
const base::ListValue* /*args*/) {
++manage_cloud_printers_dialog_request_count_;
preview_web_contents()->OpenURL(content::OpenURLParams(
cloud_devices::GetCloudPrintRelativeURL("manage.html"),
content::Referrer(),
NEW_FOREGROUND_TAB,
content::PAGE_TRANSITION_LINK,
false));
}
void PrintPreviewHandler::HandleShowSystemDialog(
const base::ListValue* /*args*/) {
ReportStats();
ReportUserActionHistogram(FALLBACK_TO_ADVANCED_SETTINGS_DIALOG);
WebContents* initiator = GetInitiator();
if (!initiator)
return;
printing::PrintViewManager* print_view_manager =
printing::PrintViewManager::FromWebContents(initiator);
print_view_manager->set_observer(this);
print_view_manager->PrintForSystemDialogNow();
// Cancel the pending preview request if exists.
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
print_preview_ui->OnCancelPendingPreviewRequest();
}
void PrintPreviewHandler::HandleManagePrinters(
const base::ListValue* /*args*/) {
++manage_printers_dialog_request_count_;
printing::PrinterManagerDialog::ShowPrinterManagerDialog();
}
void PrintPreviewHandler::HandlePrintWithCloudPrintDialog(
const base::ListValue* args) {
int page_count = 0;
if (!args || !args->GetInteger(0, &page_count))
return;
UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToCloudPrintWebDialog",
page_count);
PrintWithCloudPrintDialog();
}
void PrintPreviewHandler::HandleClosePreviewDialog(
const base::ListValue* /*args*/) {
ReportStats();
ReportUserActionHistogram(CANCEL);
// Record the number of times the user requests to regenerate preview data
// before cancelling.
UMA_HISTOGRAM_COUNTS("PrintPreview.RegeneratePreviewRequest.BeforeCancel",
regenerate_preview_request_count_);
}
void PrintPreviewHandler::ReportStats() {
UMA_HISTOGRAM_COUNTS("PrintPreview.ManagePrinters",
manage_printers_dialog_request_count_);
UMA_HISTOGRAM_COUNTS("PrintPreview.ManageCloudPrinters",
manage_cloud_printers_dialog_request_count_);
}
void PrintPreviewHandler::GetNumberFormatAndMeasurementSystem(
base::DictionaryValue* settings) {
// Getting the measurement system based on the locale.
UErrorCode errorCode = U_ZERO_ERROR;
const char* locale = g_browser_process->GetApplicationLocale().c_str();
UMeasurementSystem system = ulocdata_getMeasurementSystem(locale, &errorCode);
if (errorCode > U_ZERO_ERROR || system == UMS_LIMIT)
system = UMS_SI;
// Getting the number formatting based on the locale and writing to
// dictionary.
settings->SetString(kNumberFormat, base::FormatDouble(123456.78, 2));
settings->SetInteger(kMeasurementSystem, system);
}
void PrintPreviewHandler::HandleGetInitialSettings(
const base::ListValue* /*args*/) {
// Send before SendInitialSettings to allow cloud printer auto select.
SendCloudPrintEnabled();
BrowserThread::PostTaskAndReplyWithResult(
BrowserThread::FILE, FROM_HERE,
base::Bind(&GetDefaultPrinterOnFileThread),
base::Bind(&PrintPreviewHandler::SendInitialSettings,
weak_factory_.GetWeakPtr()));
}
void PrintPreviewHandler::HandleReportUiEvent(const base::ListValue* args) {
int event_group, event_number;
if (!args->GetInteger(0, &event_group) || !args->GetInteger(1, &event_number))
return;
enum UiBucketGroups ui_bucket_group =
static_cast<enum UiBucketGroups>(event_group);
if (ui_bucket_group >= UI_BUCKET_GROUP_BOUNDARY)
return;
switch (ui_bucket_group) {
case DESTINATION_SEARCH: {
enum PrintDestinationBuckets event =
static_cast<enum PrintDestinationBuckets>(event_number);
if (event >= PRINT_DESTINATION_BUCKET_BOUNDARY)
return;
ReportPrintDestinationHistogram(event);
break;
}
case GCP_PROMO: {
enum GcpPromoBuckets event =
static_cast<enum GcpPromoBuckets>(event_number);
if (event >= GCP_PROMO_BUCKET_BOUNDARY)
return;
ReportGcpPromoHistogram(event);
break;
}
default:
break;
}
}
void PrintPreviewHandler::HandleForceOpenNewTab(const base::ListValue* args) {
std::string url;
if (!args->GetString(0, &url))
return;
Browser* browser = chrome::FindBrowserWithWebContents(GetInitiator());
if (!browser)
return;
chrome::AddSelectedTabWithURL(browser,
GURL(url),
content::PAGE_TRANSITION_LINK);
}
void PrintPreviewHandler::SendInitialSettings(
const std::string& default_printer) {
PrintPreviewUI* print_preview_ui =
static_cast<PrintPreviewUI*>(web_ui()->GetController());
base::DictionaryValue initial_settings;
initial_settings.SetString(kInitiatorTitle,
print_preview_ui->initiator_title());
initial_settings.SetBoolean(printing::kSettingPreviewModifiable,
print_preview_ui->source_is_modifiable());
initial_settings.SetString(printing::kSettingPrinterName, default_printer);
initial_settings.SetBoolean(kDocumentHasSelection,
print_preview_ui->source_has_selection());
initial_settings.SetBoolean(printing::kSettingShouldPrintSelectionOnly,
print_preview_ui->print_selection_only());
printing::StickySettings* sticky_settings = GetStickySettings();
sticky_settings->RestoreFromPrefs(Profile::FromBrowserContext(
preview_web_contents()->GetBrowserContext())->GetPrefs());
if (sticky_settings->printer_app_state()) {
initial_settings.SetString(kAppState,
*sticky_settings->printer_app_state());
}
base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
initial_settings.SetBoolean(kPrintAutomaticallyInKioskMode,
cmdline->HasSwitch(switches::kKioskModePrinting));
initial_settings.SetBoolean(kAppKioskMode,
chrome::IsRunningInForcedAppMode());
#if defined(OS_WIN)
// In Win8 metro, the system print dialog can only open on the desktop. Doing
// so will cause the browser to appear hung, so we don't show the link in
// metro.
bool is_ash = (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH);
initial_settings.SetBoolean(kHidePrintWithSystemDialogLink, is_ash);
#endif
if (print_preview_ui->source_is_modifiable())
GetNumberFormatAndMeasurementSystem(&initial_settings);
web_ui()->CallJavascriptFunction("setInitialSettings", initial_settings);
}
void PrintPreviewHandler::ClosePreviewDialog() {
PrintPreviewUI* print_preview_ui =
static_cast<PrintPreviewUI*>(web_ui()->GetController());
print_preview_ui->OnClosePrintPreviewDialog();
}
void PrintPreviewHandler::SendAccessToken(const std::string& type,
const std::string& access_token) {
VLOG(1) << "Get getAccessToken finished";
web_ui()->CallJavascriptFunction("onDidGetAccessToken",
base::StringValue(type),
base::StringValue(access_token));
}
void PrintPreviewHandler::SendPrinterCapabilities(
const base::DictionaryValue* settings_info) {
VLOG(1) << "Get printer capabilities finished";
web_ui()->CallJavascriptFunction("updateWithPrinterCapabilities",
*settings_info);
}
void PrintPreviewHandler::SendFailedToGetPrinterCapabilities(
const std::string& printer_name) {
VLOG(1) << "Get printer capabilities failed";
base::StringValue printer_name_value(printer_name);
web_ui()->CallJavascriptFunction("failedToGetPrinterCapabilities",
printer_name_value);
}
void PrintPreviewHandler::SetupPrinterList(const base::ListValue* printers) {
if (!has_logged_printers_count_) {
UMA_HISTOGRAM_COUNTS("PrintPreview.NumberOfPrinters", printers->GetSize());
has_logged_printers_count_ = true;
}
web_ui()->CallJavascriptFunction("setPrinters", *printers);
}
void PrintPreviewHandler::SendCloudPrintEnabled() {
Profile* profile = Profile::FromBrowserContext(
preview_web_contents()->GetBrowserContext());
PrefService* prefs = profile->GetPrefs();
if (prefs->GetBoolean(prefs::kCloudPrintSubmitEnabled)) {
base::DictionaryValue settings;
settings.SetString(kCloudPrintUrl,
GURL(cloud_devices::GetCloudPrintURL()).spec());
settings.SetBoolean(kAppKioskMode, chrome::IsRunningInForcedAppMode());
web_ui()->CallJavascriptFunction("setUseCloudPrint", settings);
}
}
void PrintPreviewHandler::SendCloudPrintJob(const base::RefCountedBytes* data) {
// BASE64 encode the job data.
std::string raw_data(reinterpret_cast<const char*>(data->front()),
data->size());
std::string base64_data;
base::Base64Encode(raw_data, &base64_data);
base::StringValue data_value(base64_data);
web_ui()->CallJavascriptFunction("printToCloud", data_value);
}
WebContents* PrintPreviewHandler::GetInitiator() const {
printing::PrintPreviewDialogController* dialog_controller =
printing::PrintPreviewDialogController::GetInstance();
if (!dialog_controller)
return NULL;
return dialog_controller->GetInitiator(preview_web_contents());
}
void PrintPreviewHandler::OnPrintDialogShown() {
ClosePreviewDialog();
}
void PrintPreviewHandler::MergeSessionCompleted(
const std::string& account_id,
const GoogleServiceAuthError& error) {
OnSigninComplete();
}
void PrintPreviewHandler::SelectFile(const base::FilePath& default_filename) {
ui::SelectFileDialog::FileTypeInfo file_type_info;
file_type_info.extensions.resize(1);
file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("pdf"));
// Initializing |save_path_| if it is not already initialized.
printing::StickySettings* sticky_settings = GetStickySettings();
if (!sticky_settings->save_path()) {
// Allowing IO operation temporarily. It is ok to do so here because
// the select file dialog performs IO anyway in order to display the
// folders and also it is modal.
base::ThreadRestrictions::ScopedAllowIO allow_io;
base::FilePath file_path;
PathService::Get(chrome::DIR_USER_DOCUMENTS, &file_path);
sticky_settings->StoreSavePath(file_path);
sticky_settings->SaveInPrefs(Profile::FromBrowserContext(
preview_web_contents()->GetBrowserContext())->GetPrefs());
}
select_file_dialog_ = ui::SelectFileDialog::Create(
this, new ChromeSelectFilePolicy(preview_web_contents())),
select_file_dialog_->SelectFile(
ui::SelectFileDialog::SELECT_SAVEAS_FILE,
base::string16(),
sticky_settings->save_path()->Append(default_filename),
&file_type_info,
0,
base::FilePath::StringType(),
platform_util::GetTopLevel(preview_web_contents()->GetNativeView()),
NULL);
}
void PrintPreviewHandler::OnPrintPreviewDialogDestroyed() {
WebContents* initiator = GetInitiator();
if (!initiator)
return;
printing::PrintViewManager* print_view_manager =
printing::PrintViewManager::FromWebContents(initiator);
print_view_manager->set_observer(NULL);
}
void PrintPreviewHandler::OnPrintPreviewFailed() {
if (reported_failed_preview_)
return;
reported_failed_preview_ = true;
ReportUserActionHistogram(PREVIEW_FAILED);
}
void PrintPreviewHandler::ShowSystemDialog() {
HandleShowSystemDialog(NULL);
}
void PrintPreviewHandler::FileSelected(const base::FilePath& path,
int index, void* params) {
// Updating |save_path_| to the newly selected folder.
printing::StickySettings* sticky_settings = GetStickySettings();
sticky_settings->StoreSavePath(path.DirName());
sticky_settings->SaveInPrefs(Profile::FromBrowserContext(
preview_web_contents()->GetBrowserContext())->GetPrefs());
web_ui()->CallJavascriptFunction("fileSelectionCompleted");
print_to_pdf_path_ = path;
PostPrintToPdfTask();
}
void PrintPreviewHandler::PostPrintToPdfTask() {
scoped_refptr<base::RefCountedBytes> data;
base::string16 title;
if (!GetPreviewDataAndTitle(&data, &title)) {
NOTREACHED() << "Preview data was checked before file dialog.";
return;
}
scoped_ptr<printing::PreviewMetafile> metafile(new printing::PreviewMetafile);
metafile->InitFromData(static_cast<const void*>(data->front()), data->size());
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&PrintToPdfCallback, metafile.release(), print_to_pdf_path_));
print_to_pdf_path_ = base::FilePath();
ClosePreviewDialog();
}
void PrintPreviewHandler::FileSelectionCanceled(void* params) {
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
print_preview_ui->OnFileSelectionCancelled();
}
void PrintPreviewHandler::ClearInitiatorDetails() {
WebContents* initiator = GetInitiator();
if (!initiator)
return;
// We no longer require the initiator details. Remove those details associated
// with the preview dialog to allow the initiator to create another preview
// dialog.
printing::PrintPreviewDialogController* dialog_controller =
printing::PrintPreviewDialogController::GetInstance();
if (dialog_controller)
dialog_controller->EraseInitiatorInfo(preview_web_contents());
}
bool PrintPreviewHandler::GetPreviewDataAndTitle(
scoped_refptr<base::RefCountedBytes>* data,
base::string16* title) const {
PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
web_ui()->GetController());
scoped_refptr<base::RefCountedBytes> tmp_data;
print_preview_ui->GetPrintPreviewDataForIndex(
printing::COMPLETE_PREVIEW_DOCUMENT_INDEX, &tmp_data);
if (!tmp_data.get()) {
// Nothing to print, no preview available.
return false;
}
DCHECK(tmp_data->size() && tmp_data->front());
*data = tmp_data;
*title = print_preview_ui->initiator_title();
return true;
}
#if defined(ENABLE_SERVICE_DISCOVERY)
void PrintPreviewHandler::LocalPrinterChanged(
bool added,
const std::string& name,
bool has_local_printing,
const local_discovery::DeviceDescription& description) {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (has_local_printing ||
command_line->HasSwitch(switches::kEnablePrintPreviewRegisterPromos)) {
base::DictionaryValue info;
FillPrinterDescription(name, description, has_local_printing, &info);
web_ui()->CallJavascriptFunction("onPrivetPrinterChanged", info);
}
}
void PrintPreviewHandler::LocalPrinterRemoved(const std::string& name) {
}
void PrintPreviewHandler::LocalPrinterCacheFlushed() {
}
void PrintPreviewHandler::PrivetCapabilitiesUpdateClient(
scoped_ptr<local_discovery::PrivetHTTPClient> http_client) {
if (!PrivetUpdateClient(http_client.Pass()))
return;
privet_capabilities_operation_ =
privet_http_client_->CreateCapabilitiesOperation(
base::Bind(&PrintPreviewHandler::OnPrivetCapabilities,
base::Unretained(this)));
privet_capabilities_operation_->Start();
}
bool PrintPreviewHandler::PrivetUpdateClient(
scoped_ptr<local_discovery::PrivetHTTPClient> http_client) {
if (!http_client) {
SendPrivetCapabilitiesError(privet_http_resolution_->GetName());
privet_http_resolution_.reset();
return false;
}
privet_local_print_operation_.reset();
privet_capabilities_operation_.reset();
privet_http_client_ =
local_discovery::PrivetV1HTTPClient::CreateDefault(http_client.Pass());
privet_http_resolution_.reset();
return true;
}
void PrintPreviewHandler::PrivetLocalPrintUpdateClient(
std::string print_ticket,
std::string capabilities,
gfx::Size page_size,
scoped_ptr<local_discovery::PrivetHTTPClient> http_client) {
if (!PrivetUpdateClient(http_client.Pass()))
return;
StartPrivetLocalPrint(print_ticket, capabilities, page_size);
}
void PrintPreviewHandler::StartPrivetLocalPrint(const std::string& print_ticket,
const std::string& capabilities,
const gfx::Size& page_size) {
privet_local_print_operation_ =
privet_http_client_->CreateLocalPrintOperation(this);
privet_local_print_operation_->SetTicket(print_ticket);
privet_local_print_operation_->SetCapabilities(capabilities);
scoped_refptr<base::RefCountedBytes> data;
base::string16 title;
if (!GetPreviewDataAndTitle(&data, &title)) {
base::FundamentalValue http_code_value(-1);
web_ui()->CallJavascriptFunction("onPrivetPrintFailed", http_code_value);
return;
}
privet_local_print_operation_->SetJobname(base::UTF16ToUTF8(title));
privet_local_print_operation_->SetPageSize(page_size);
privet_local_print_operation_->SetData(data);
Profile* profile = Profile::FromWebUI(web_ui());
SigninManagerBase* signin_manager =
SigninManagerFactory::GetForProfileIfExists(profile);
if (signin_manager) {
privet_local_print_operation_->SetUsername(
signin_manager->GetAuthenticatedUsername());
}
privet_local_print_operation_->Start();
}
void PrintPreviewHandler::OnPrivetCapabilities(
const base::DictionaryValue* capabilities) {
std::string name = privet_capabilities_operation_->GetHTTPClient()->GetName();
if (!capabilities || capabilities->HasKey(local_discovery::kPrivetKeyError)) {
SendPrivetCapabilitiesError(name);
return;
}
base::DictionaryValue printer_info;
const local_discovery::DeviceDescription* description =
printer_lister_->GetDeviceDescription(name);
if (!description) {
SendPrivetCapabilitiesError(name);
return;
}
FillPrinterDescription(name, *description, true, &printer_info);
web_ui()->CallJavascriptFunction(
"onPrivetCapabilitiesSet",
printer_info,
*capabilities);
privet_capabilities_operation_.reset();
}
void PrintPreviewHandler::SendPrivetCapabilitiesError(
const std::string& device_name) {
base::StringValue name_value(device_name);
web_ui()->CallJavascriptFunction(
"failedToGetPrivetPrinterCapabilities",
name_value);
}
void PrintPreviewHandler::PrintToPrivetPrinter(const std::string& device_name,
const std::string& ticket,
const std::string& capabilities,
const gfx::Size& page_size) {
CreatePrivetHTTP(
device_name,
base::Bind(&PrintPreviewHandler::PrivetLocalPrintUpdateClient,
base::Unretained(this),
ticket,
capabilities,
page_size));
}
bool PrintPreviewHandler::CreatePrivetHTTP(
const std::string& name,
const local_discovery::PrivetHTTPAsynchronousFactory::ResultCallback&
callback) {
const local_discovery::DeviceDescription* device_description =
printer_lister_->GetDeviceDescription(name);
if (!device_description) {
SendPrivetCapabilitiesError(name);
return false;
}
privet_http_factory_ =
local_discovery::PrivetHTTPAsynchronousFactory::CreateInstance(
service_discovery_client_,
Profile::FromWebUI(web_ui())->GetRequestContext());
privet_http_resolution_ = privet_http_factory_->CreatePrivetHTTP(
name, device_description->address, callback);
privet_http_resolution_->Start();
return true;
}
void PrintPreviewHandler::OnPrivetPrintingDone(
const local_discovery::PrivetLocalPrintOperation* print_operation) {
ClosePreviewDialog();
}
void PrintPreviewHandler::OnPrivetPrintingError(
const local_discovery::PrivetLocalPrintOperation* print_operation,
int http_code) {
base::FundamentalValue http_code_value(http_code);
web_ui()->CallJavascriptFunction("onPrivetPrintFailed", http_code_value);
}
void PrintPreviewHandler::FillPrinterDescription(
const std::string& name,
const local_discovery::DeviceDescription& description,
bool has_local_printing,
base::DictionaryValue* printer_value) {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
printer_value->SetString("serviceName", name);
printer_value->SetString("name", description.name);
printer_value->SetBoolean("hasLocalPrinting", has_local_printing);
printer_value->SetBoolean(
"isUnregistered",
description.id.empty() &&
command_line->HasSwitch(switches::kEnablePrintPreviewRegisterPromos));
printer_value->SetString("cloudID", description.id);
}
#endif // defined(ENABLE_SERVICE_DISCOVERY)
void PrintPreviewHandler::RegisterForMergeSession() {
DCHECK(!reconcilor_);
Profile* profile = Profile::FromWebUI(web_ui());
if (switches::IsEnableAccountConsistency() && !profile->IsOffTheRecord()) {
reconcilor_ = AccountReconcilorFactory::GetForProfile(profile);
if (reconcilor_)
reconcilor_->AddMergeSessionObserver(this);
}
}
void PrintPreviewHandler::UnregisterForMergeSession() {
if (reconcilor_)
reconcilor_->RemoveMergeSessionObserver(this);
}