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Add support for printing via CefBrowserHost::Print() and JavaScript window.print() (issue #505).

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git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1479 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt 2013-10-23 19:30:47 +00:00
parent f248b937f9
commit bc1ea4974a
35 changed files with 1960 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
cef.gyp
View File

@ -439,6 +439,7 @@
[ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
'dependencies': [
'<(DEPTH)/build/linux/system.gyp:gtk',
'<(DEPTH)/build/linux/system.gyp:gtkprint',
],
'sources': [
'tests/cefclient/resource_util_linux.cpp',
@ -530,8 +531,9 @@
'dependencies':[
'<(DEPTH)/base/allocator/allocator.gyp:allocator',
'<(DEPTH)/build/linux/system.gyp:gtk',
'<(DEPTH)/build/linux/system.gyp:gtkprint',
],
}],
}],
],
},
{
@ -557,6 +559,7 @@
[ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
'dependencies': [
'<(DEPTH)/build/linux/system.gyp:gtk',
'<(DEPTH)/build/linux/system.gyp:gtkprint',
],
}],
],
@ -768,6 +771,7 @@
'<(DEPTH)/third_party/WebKit/public/platform',
'<(DEPTH)/third_party/WebKit/public/web',
# CEF grit resource includes
'<(DEPTH)/cef/libcef/resources/grit_stub',
'<(grit_out_dir)',
'<(SHARED_INTERMEDIATE_DIR)/content/browser/tracing',
'<(SHARED_INTERMEDIATE_DIR)/ui/ui_strings',
@ -831,6 +835,8 @@
'libcef/browser/browser_settings.h',
'libcef/browser/browser_urlrequest_impl.cc',
'libcef/browser/browser_urlrequest_impl.h',
'libcef/browser/chrome_browser_process_stub.cc',
'libcef/browser/chrome_browser_process_stub.h',
'libcef/browser/chrome_scheme_handler.cc',
'libcef/browser/chrome_scheme_handler.h',
'libcef/browser/content_browser_client.cc',
@ -868,6 +874,12 @@
'libcef/browser/origin_whitelist_impl.cc',
'libcef/browser/origin_whitelist_impl.h',
'libcef/browser/path_util_impl.cc',
'libcef/browser/printing/printing_message_filter.cc',
'libcef/browser/printing/printing_message_filter.h',
'libcef/browser/printing/print_view_manager.cc',
'libcef/browser/printing/print_view_manager.h',
'libcef/browser/printing/print_view_manager_base.cc',
'libcef/browser/printing/print_view_manager_base.h',
'libcef/browser/process_util_impl.cc',
'libcef/browser/proxy_stubs.cc',
'libcef/browser/render_widget_host_view_osr.cc',
@ -1004,6 +1016,28 @@
# Include sources for the loadtimes V8 extension.
'<(DEPTH)/chrome/renderer/loadtimes_extension_bindings.h',
'<(DEPTH)/chrome/renderer/loadtimes_extension_bindings.cc',
# Include sources for printing.
'<(DEPTH)/chrome/browser/printing/print_job.cc',
'<(DEPTH)/chrome/browser/printing/print_job.h',
'<(DEPTH)/chrome/browser/printing/print_job_manager.cc',
'<(DEPTH)/chrome/browser/printing/print_job_manager.h',
'<(DEPTH)/chrome/browser/printing/print_job_worker.cc',
'<(DEPTH)/chrome/browser/printing/print_job_worker.h',
'<(DEPTH)/chrome/browser/printing/print_job_worker_owner.h',
'<(DEPTH)/chrome/browser/printing/print_job_worker_owner.h',
'<(DEPTH)/chrome/browser/printing/printer_query.cc',
'<(DEPTH)/chrome/browser/printing/printer_query.h',
'<(DEPTH)/chrome/common/prerender_messages.h',
'<(DEPTH)/chrome/common/print_messages.cc',
'<(DEPTH)/chrome/common/print_messages.h',
'<(DEPTH)/chrome/renderer/prerender/prerender_helper.cc',
'<(DEPTH)/chrome/renderer/prerender/prerender_helper.h',
'<(DEPTH)/chrome/renderer/printing/print_web_view_helper.cc',
'<(DEPTH)/chrome/renderer/printing/print_web_view_helper.h',
# Include header for stub creation (BrowserProcess) so print_job_worker can
# determine the current locale.
'<(DEPTH)/chrome/browser/browser_process.cc',
'<(DEPTH)/chrome/browser/browser_process.h',
],
'conditions': [
['OS=="win"', {
@ -1024,6 +1058,8 @@
'<(DEPTH)/ui/views/controls/menu/menu_listener.h',
'<(DEPTH)/ui/views/controls/menu/native_menu_win.cc',
'<(DEPTH)/ui/views/controls/menu/native_menu_win.h',
# Include sources for printing.
'<(DEPTH)/chrome/renderer/printing/print_web_view_helper_win.cc',
],
}],
[ 'OS=="mac"', {
@ -1045,9 +1081,14 @@
'libcef/browser/text_input_client_osr_mac.h',
'libcef/browser/web_contents_view_osr.cc',
'libcef/browser/web_contents_view_osr.h',
# Include sources for printing.
'<(DEPTH)/chrome/renderer/printing/print_web_view_helper_mac.mm',
],
}],
[ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
'dependencies':[
'<(DEPTH)/build/linux/system.gyp:gtkprint',
],
'sources': [
'<@(includes_linux)',
'libcef/browser/browser_host_impl_gtk.cc',
@ -1065,6 +1106,10 @@
'<(DEPTH)/chrome/browser/ui/gtk/menu_gtk.h',
'<(DEPTH)/chrome/browser/ui/views/event_utils.cc',
'<(DEPTH)/chrome/browser/ui/views/event_utils.h',
#Include sources for printing.
'<(DEPTH)/chrome/browser/printing/print_dialog_gtk.cc',
'<(DEPTH)/chrome/browser/printing/print_dialog_gtk.h',
'<(DEPTH)/chrome/renderer/printing/print_web_view_helper_linux.cc',
],
}],
],
@ -1334,7 +1379,7 @@
# gtk requires gmodule, but it does not list it as a dependency
# in some misconfigured systems.
# gtkglext is required by the cefclient OSR example.
'gtk_packages': 'gmodule-2.0 gtk+-2.0 gthread-2.0 gtkglext-1.0',
'gtk_packages': 'gmodule-2.0 gtk+-2.0 gthread-2.0 gtkglext-1.0 gtk+-unix-print-2.0',
},
'direct_dependent_settings': {
'cflags': [

5
include/capi/cef_browser_capi.h
View File

@ -319,6 +319,11 @@ typedef struct _cef_browser_host_t {
void (CEF_CALLBACK *start_download)(struct _cef_browser_host_t* self,
const cef_string_t* url);
///
// Print the current browser contents.
///
void (CEF_CALLBACK *print)(struct _cef_browser_host_t* self);
///
// Set whether mouse cursor change is disabled.
///

7
include/cef_browser.h
View File

@ -366,6 +366,12 @@ class CefBrowserHost : public virtual CefBase {
/*--cef()--*/
virtual void StartDownload(const CefString& url) =0;
///
// Print the current browser contents.
///
/*--cef()--*/
virtual void Print() =0;
///
// Set whether mouse cursor change is disabled.
///
@ -485,7 +491,6 @@ class CefBrowserHost : public virtual CefBase {
///
/*--cef()--*/
virtual void HandleKeyEventAfterTextInputClient(CefEventHandle keyEvent) =0;
};
#endif // CEF_INCLUDE_CEF_BROWSER_H_

15
libcef/browser/browser_host_impl.cc
View File

@ -17,6 +17,7 @@
#include "libcef/browser/devtools_delegate.h"
#include "libcef/browser/media_capture_devices_dispatcher.h"
#include "libcef/browser/navigate_params.h"
#include "libcef/browser/printing/print_view_manager.h"
#include "libcef/browser/render_widget_host_view_osr.h"
#include "libcef/browser/request_context_impl.h"
#include "libcef/browser/scheme_handler.h"
@ -603,6 +604,18 @@ void CefBrowserHostImpl::StartDownload(const CefString& url) {
manager->DownloadUrl(params.Pass());
}
void CefBrowserHostImpl::Print() {
if (CEF_CURRENTLY_ON_UIT()) {
if (!web_contents_)
return;
printing::PrintViewManager::FromWebContents(
web_contents_.get())->PrintNow();
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefBrowserHostImpl::Print, this));
}
}
void CefBrowserHostImpl::SetMouseCursorChangeDisabled(bool disabled) {
base::AutoLock lock_scope(state_lock_);
mouse_cursor_change_disabled_ = disabled;
@ -2114,6 +2127,8 @@ CefBrowserHostImpl::CefBrowserHostImpl(
CefString(), CefString(),
CefFrameHostImpl::kInvalidFrameId);
printing::PrintViewManager::CreateForWebContents(web_contents_.get());
// Make sure RenderViewCreated is called at least one time.
RenderViewCreated(web_contents->GetRenderViewHost());

1
libcef/browser/browser_host_impl.h
View File

@ -124,6 +124,7 @@ class CefBrowserHostImpl : public CefBrowserHost,
const std::vector<CefString>& accept_types,
CefRefPtr<CefRunFileDialogCallback> callback) OVERRIDE;
virtual void StartDownload(const CefString& url) OVERRIDE;
virtual void Print() OVERRIDE;
virtual void SetMouseCursorChangeDisabled(bool disabled) OVERRIDE;
virtual bool IsMouseCursorChangeDisabled() OVERRIDE;
virtual bool IsWindowRenderingDisabled() OVERRIDE;

9
libcef/browser/browser_main.cc
View File

@ -26,6 +26,10 @@
#include "ui/base/resource/resource_bundle.h"
#include "v8/include/v8.h"
#if defined(OS_LINUX)
#include "chrome/browser/printing/print_dialog_gtk.h"
#endif
CefBrowserMainParts::CefBrowserMainParts(
const content::MainFunctionParams& parameters)
: BrowserMainParts(),
@ -48,6 +52,11 @@ void CefBrowserMainParts::PostMainMessageLoopStart() {
// CEF's internal handling of "chrome://tracing".
content::WebUIControllerFactory::UnregisterFactoryForTesting(
content::ContentWebUIControllerFactory::GetInstance());
#if defined(OS_LINUX)
printing::PrintingContextGtk::SetCreatePrintDialogFunction(
&PrintDialogGtk::CreatePrintDialog);
#endif
}
int CefBrowserMainParts::PreCreateThreads() {

2
libcef/browser/browser_pref_store.cc
View File

@ -29,6 +29,8 @@ PrefService* CefBrowserPrefStore::CreateService() {
CefMediaCaptureDevicesDispatcher::RegisterPrefs(registry);
PrefProxyConfigTrackerImpl::RegisterPrefs(registry);
registry->RegisterBooleanPref(prefs::kPrintingEnabled, true);
return builder.Create(registry);
}

271
libcef/browser/chrome_browser_process_stub.cc Normal file
View File

@ -0,0 +1,271 @@
// Copyright (c) 2013 The Chromium Embedded Framework Authors.
// Portions (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 "libcef/browser/chrome_browser_process_stub.h"
#include "libcef/browser/context.h"
#include "base/memory/scoped_ptr.h"
#include "ui/message_center/message_center.h"
ChromeBrowserProcessStub::ChromeBrowserProcessStub()
: locale_("en-US") {
}
ChromeBrowserProcessStub::~ChromeBrowserProcessStub() {
g_browser_process = NULL;
}
void ChromeBrowserProcessStub::ResourceDispatcherHostCreated() {
NOTIMPLEMENTED();
};
void ChromeBrowserProcessStub::EndSession() {
NOTIMPLEMENTED();
};
MetricsService* ChromeBrowserProcessStub::metrics_service() {
NOTIMPLEMENTED();
return NULL;
}
IOThread* ChromeBrowserProcessStub::io_thread() {
NOTIMPLEMENTED();
return NULL;
}
WatchDogThread* ChromeBrowserProcessStub::watchdog_thread() {
NOTIMPLEMENTED();
return NULL;
}
ProfileManager* ChromeBrowserProcessStub::profile_manager() {
NOTIMPLEMENTED();
return NULL;
}
PrefService* ChromeBrowserProcessStub::local_state() {
NOTIMPLEMENTED();
return NULL;
}
net::URLRequestContextGetter*
ChromeBrowserProcessStub::system_request_context() {
NOTIMPLEMENTED();
return NULL;
}
chrome_variations::VariationsService*
ChromeBrowserProcessStub::variations_service() {
NOTIMPLEMENTED();
return NULL;
}
BrowserProcessPlatformPart* ChromeBrowserProcessStub::platform_part() {
NOTIMPLEMENTED();
return NULL;
}
extensions::EventRouterForwarder*
ChromeBrowserProcessStub::extension_event_router_forwarder() {
NOTIMPLEMENTED();
return NULL;
}
NotificationUIManager* ChromeBrowserProcessStub::notification_ui_manager() {
NOTIMPLEMENTED();
return NULL;
}
message_center::MessageCenter* ChromeBrowserProcessStub::message_center() {
NOTIMPLEMENTED();
return NULL;
}
policy::BrowserPolicyConnector*
ChromeBrowserProcessStub::browser_policy_connector() {
NOTIMPLEMENTED();
return NULL;
}
policy::PolicyService* ChromeBrowserProcessStub::policy_service() {
NOTIMPLEMENTED();
return NULL;
}
IconManager* ChromeBrowserProcessStub::icon_manager() {
NOTIMPLEMENTED();
return NULL;
}
GLStringManager* ChromeBrowserProcessStub::gl_string_manager() {
NOTIMPLEMENTED();
return NULL;
}
GpuModeManager* ChromeBrowserProcessStub::gpu_mode_manager() {
NOTIMPLEMENTED();
return NULL;
}
RenderWidgetSnapshotTaker*
ChromeBrowserProcessStub::GetRenderWidgetSnapshotTaker() {
NOTIMPLEMENTED();
return NULL;
}
AutomationProviderList*
ChromeBrowserProcessStub::GetAutomationProviderList() {
NOTIMPLEMENTED();
return NULL;
}
void ChromeBrowserProcessStub::CreateDevToolsHttpProtocolHandler(
chrome::HostDesktopType host_desktop_type,
const std::string& ip,
int port,
const std::string& frontend_url) {
}
unsigned int ChromeBrowserProcessStub::AddRefModule() {
NOTIMPLEMENTED();
return 0;
}
unsigned int ChromeBrowserProcessStub::ReleaseModule() {
NOTIMPLEMENTED();
return 0;
}
bool ChromeBrowserProcessStub::IsShuttingDown() {
NOTIMPLEMENTED();
return false;
}
printing::PrintJobManager* ChromeBrowserProcessStub::print_job_manager() {
return CefContext::Get()->print_job_manager();
}
printing::PrintPreviewDialogController*
ChromeBrowserProcessStub::print_preview_dialog_controller() {
NOTIMPLEMENTED();
return NULL;
}
printing::BackgroundPrintingManager*
ChromeBrowserProcessStub::background_printing_manager() {
NOTIMPLEMENTED();
return NULL;
}
IntranetRedirectDetector*
ChromeBrowserProcessStub::intranet_redirect_detector() {
NOTIMPLEMENTED();
return NULL;
}
const std::string &ChromeBrowserProcessStub::GetApplicationLocale() {
DCHECK(!locale_.empty());
return locale_;
}
void ChromeBrowserProcessStub::SetApplicationLocale(const std::string& locale) {
locale_ = locale;
}
DownloadStatusUpdater* ChromeBrowserProcessStub::download_status_updater() {
NOTIMPLEMENTED();
return NULL;
}
DownloadRequestLimiter* ChromeBrowserProcessStub::download_request_limiter() {
NOTIMPLEMENTED();
return NULL;
}
BackgroundModeManager* ChromeBrowserProcessStub::background_mode_manager() {
NOTIMPLEMENTED();
return NULL;
}
void ChromeBrowserProcessStub::set_background_mode_manager_for_test(
scoped_ptr<BackgroundModeManager> manager) {
NOTIMPLEMENTED();
}
StatusTray* ChromeBrowserProcessStub::status_tray() {
NOTIMPLEMENTED();
return NULL;
}
SafeBrowsingService* ChromeBrowserProcessStub::safe_browsing_service() {
NOTIMPLEMENTED();
return NULL;
}
safe_browsing::ClientSideDetectionService*
ChromeBrowserProcessStub::safe_browsing_detection_service() {
NOTIMPLEMENTED();
return NULL;
}
#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
void ChromeBrowserProcessStub::StartAutoupdateTimer() {
}
#endif
ChromeNetLog* ChromeBrowserProcessStub::net_log() {
NOTIMPLEMENTED();
return NULL;
}
prerender::PrerenderTracker* ChromeBrowserProcessStub::prerender_tracker() {
NOTIMPLEMENTED();
return NULL;
}
ComponentUpdateService* ChromeBrowserProcessStub::component_updater() {
NOTIMPLEMENTED();
return NULL;
}
CRLSetFetcher* ChromeBrowserProcessStub::crl_set_fetcher() {
NOTIMPLEMENTED();
return NULL;
}
PnaclComponentInstaller*
ChromeBrowserProcessStub::pnacl_component_installer() {
NOTIMPLEMENTED();
return NULL;
}
BookmarkPromptController*
ChromeBrowserProcessStub::bookmark_prompt_controller() {
NOTIMPLEMENTED();
return NULL;
}
MediaFileSystemRegistry*
ChromeBrowserProcessStub::media_file_system_registry() {
NOTIMPLEMENTED();
return NULL;
}
bool ChromeBrowserProcessStub::created_local_state() const {
NOTIMPLEMENTED();
return false;
}
StorageMonitor* ChromeBrowserProcessStub::storage_monitor() {
NOTIMPLEMENTED();
return NULL;
}
#if defined(ENABLE_WEBRTC)
WebRtcLogUploader* ChromeBrowserProcessStub::webrtc_log_uploader() {
NOTIMPLEMENTED();
return NULL;
}
#endif

103
libcef/browser/chrome_browser_process_stub.h Normal file
View File

@ -0,0 +1,103 @@
// Copyright (c) 2013 The Chromium Embedded Framework Authors.
// Portions (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.
#ifndef CEF_LIBCEF_BROWSER_CHROME_BROWSER_PROCESS_STUB_H_
#define CEF_LIBCEF_BROWSER_CHROME_BROWSER_PROCESS_STUB_H_
#include <string>
#include "chrome/browser/browser_process.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
// This file provides a stub implementation of chrome::BrowserProcess so that
// PrintJobWorker can determine the current locale.
class BackgroundModeManager {
public:
BackgroundModeManager();
virtual ~BackgroundModeManager();
private:
DISALLOW_COPY_AND_ASSIGN(BackgroundModeManager);
};
class ChromeBrowserProcessStub : public BrowserProcess {
public:
ChromeBrowserProcessStub();
virtual ~ChromeBrowserProcessStub();
// BrowserProcess implementation.
virtual void ResourceDispatcherHostCreated() OVERRIDE;
virtual void EndSession() OVERRIDE;
virtual MetricsService* metrics_service() OVERRIDE;
virtual IOThread* io_thread() OVERRIDE;
virtual WatchDogThread* watchdog_thread() OVERRIDE;
virtual ProfileManager* profile_manager() OVERRIDE;
virtual PrefService* local_state() OVERRIDE;
virtual net::URLRequestContextGetter* system_request_context() OVERRIDE;
virtual chrome_variations::VariationsService* variations_service() OVERRIDE;
virtual BrowserProcessPlatformPart* platform_part() OVERRIDE;
virtual extensions::EventRouterForwarder*
extension_event_router_forwarder() OVERRIDE;
virtual NotificationUIManager* notification_ui_manager() OVERRIDE;
virtual message_center::MessageCenter* message_center() OVERRIDE;
virtual policy::BrowserPolicyConnector* browser_policy_connector() OVERRIDE;
virtual policy::PolicyService* policy_service() OVERRIDE;
virtual IconManager* icon_manager() OVERRIDE;
virtual GLStringManager* gl_string_manager() OVERRIDE;
virtual GpuModeManager* gpu_mode_manager() OVERRIDE;
virtual RenderWidgetSnapshotTaker* GetRenderWidgetSnapshotTaker() OVERRIDE;
virtual AutomationProviderList* GetAutomationProviderList() OVERRIDE;
virtual void CreateDevToolsHttpProtocolHandler(
chrome::HostDesktopType host_desktop_type,
const std::string& ip,
int port,
const std::string& frontend_url) OVERRIDE;
virtual unsigned int AddRefModule() OVERRIDE;
virtual unsigned int ReleaseModule() OVERRIDE;
virtual bool IsShuttingDown() OVERRIDE;
virtual printing::PrintJobManager* print_job_manager() OVERRIDE;
virtual printing::PrintPreviewDialogController*
print_preview_dialog_controller() OVERRIDE;
virtual printing::BackgroundPrintingManager*
background_printing_manager() OVERRIDE;
virtual IntranetRedirectDetector* intranet_redirect_detector() OVERRIDE;
virtual const std::string& GetApplicationLocale() OVERRIDE;
virtual void SetApplicationLocale(const std::string& locale) OVERRIDE;
virtual DownloadStatusUpdater* download_status_updater() OVERRIDE;
virtual DownloadRequestLimiter* download_request_limiter() OVERRIDE;
virtual BackgroundModeManager* background_mode_manager() OVERRIDE;
virtual void set_background_mode_manager_for_test(
scoped_ptr<BackgroundModeManager> manager) OVERRIDE;
virtual StatusTray* status_tray() OVERRIDE;
virtual SafeBrowsingService* safe_browsing_service() OVERRIDE;
virtual safe_browsing::ClientSideDetectionService*
safe_browsing_detection_service() OVERRIDE;
#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
virtual void StartAutoupdateTimer() OVERRIDE;
#endif
virtual ChromeNetLog* net_log() OVERRIDE;
virtual prerender::PrerenderTracker* prerender_tracker() OVERRIDE;
virtual ComponentUpdateService* component_updater() OVERRIDE;
virtual CRLSetFetcher* crl_set_fetcher() OVERRIDE;
virtual PnaclComponentInstaller* pnacl_component_installer() OVERRIDE;
virtual BookmarkPromptController* bookmark_prompt_controller() OVERRIDE;
virtual MediaFileSystemRegistry*
media_file_system_registry() OVERRIDE;
virtual bool created_local_state() const OVERRIDE;
virtual StorageMonitor* storage_monitor() OVERRIDE;
#if defined(ENABLE_WEBRTC)
virtual WebRtcLogUploader* webrtc_log_uploader() OVERRIDE;
#endif
private:
std::string locale_;
DISALLOW_COPY_AND_ASSIGN(ChromeBrowserProcessStub);
};
#endif // CEF_LIBCEF_BROWSER_CHROME_BROWSER_PROCESS_STUB_H_

3
libcef/browser/content_browser_client.cc
View File

@ -15,6 +15,7 @@
#include "libcef/browser/browser_settings.h"
#include "libcef/browser/chrome_scheme_handler.h"
#include "libcef/browser/media_capture_devices_dispatcher.h"
#include "libcef/browser/printing/printing_message_filter.h"
#include "libcef/browser/resource_dispatcher_host_delegate.h"
#include "libcef/browser/speech_recognition_manager_delegate.h"
#include "libcef/browser/thread_util.h"
@ -454,6 +455,8 @@ CefContentBrowserClient::OverrideCreateWebContentsView(
void CefContentBrowserClient::RenderProcessHostCreated(
content::RenderProcessHost* host) {
host->GetChannel()->AddFilter(new CefBrowserMessageFilter(host));
host->AddFilter(new PrintingMessageFilter(host->GetID()));
AddBrowserContextReference(
static_cast<CefBrowserContext*>(host->GetBrowserContext()));
}

37
libcef/browser/context.cc
View File

@ -8,6 +8,7 @@
#include "libcef/browser/browser_info.h"
#include "libcef/browser/browser_main.h"
#include "libcef/browser/browser_message_loop.h"
#include "libcef/browser/chrome_browser_process_stub.h"
#include "libcef/browser/content_browser_client.h"
#include "libcef/browser/scheme_handler.h"
#include "libcef/browser/thread_util.h"
@ -19,6 +20,7 @@
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/synchronization/waitable_event.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "content/public/app/content_main.h"
#include "content/public/app/content_main_runner.h"
#include "content/public/browser/notification_service.h"
@ -44,13 +46,13 @@ CefContext* g_context = NULL;
// CefShutdown() has not been explicitly called.
class CefForceShutdown {
public:
~CefForceShutdown() {
if (g_context) {
g_context->Shutdown();
delete g_context;
g_context = NULL;
}
}
~CefForceShutdown() {
if (g_context) {
g_context->Shutdown();
delete g_context;
g_context = NULL;
}
}
} g_force_shutdown;
} // namespace
@ -102,6 +104,8 @@ bool CefInitialize(const CefMainArgs& args,
return false;
}
g_browser_process = new ChromeBrowserProcessStub();
// Create the new global context object.
g_context = new CefContext();
@ -267,9 +271,13 @@ bool CefContext::Initialize(const CefMainArgs& args,
initialized_ = true;
// Continue initialization on the UI thread.
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefContext::OnContextInitialized, base::Unretained(this)));
if (CEF_CURRENTLY_ON_UIT()) {
OnContextInitialized();
} else {
// Continue initialization on the UI thread.
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefContext::OnContextInitialized, base::Unretained(this)));
}
return true;
}
@ -329,6 +337,9 @@ void CefContext::OnContextInitialized() {
registrar_->Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
content::NotificationService::AllBrowserContextsAndSources());
// Must be created after the NotificationService.
print_job_manager_.reset(new printing::PrintJobManager());
// Notify the handler.
CefRefPtr<CefApp> app = CefContentClient::Get()->application();
if (app.get()) {
@ -343,6 +354,12 @@ void CefContext::FinishShutdownOnUIThread(
base::WaitableEvent* uithread_shutdown_event) {
CEF_REQUIRE_UIT();
// Wait for the pending print jobs to finish. Don't do this later, since
// this might cause a nested message loop to run, and we don't want pending
// tasks to run once teardown has started.
print_job_manager_->Shutdown();
print_job_manager_.reset(NULL);
CefContentBrowserClient::Get()->DestroyAllBrowsers();
registrar_.reset();

9
libcef/browser/context.h
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@ -27,6 +27,10 @@ namespace content {
class ContentMainRunner;
}
namespace printing {
class PrintJobManager;
}
class CefBrowserHostImpl;
class CefMainDelegate;
class CefTraceSubscriber;
@ -61,6 +65,10 @@ class CefContext : public content::NotificationObserver {
const CefSettings& settings() const { return settings_; }
printing::PrintJobManager* print_job_manager() const {
return print_job_manager_.get();
}
CefTraceSubscriber* GetTraceSubscriber();
private:
@ -95,6 +103,7 @@ class CefContext : public content::NotificationObserver {
// Only accessed on the UI Thread.
scoped_ptr<content::NotificationRegistrar> registrar_;
scoped_ptr<printing::PrintJobManager> print_job_manager_;
};
// Helper macro that returns true if the global context is in a valid state.

64
libcef/browser/printing/print_view_manager.cc Normal file
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@ -0,0 +1,64 @@
// 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 "libcef/browser/printing/print_view_manager.h"
#include <map>
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "chrome/common/print_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "printing/print_destination_interface.h"
using content::BrowserThread;
DEFINE_WEB_CONTENTS_USER_DATA_KEY(printing::PrintViewManager);
namespace printing {
PrintViewManager::PrintViewManager(content::WebContents* web_contents)
: PrintViewManagerBase(web_contents) {
}
PrintViewManager::~PrintViewManager() {
}
bool PrintViewManager::PrintForSystemDialogNow() {
return PrintNowInternal(new PrintMsg_PrintForSystemDialog(routing_id()));
}
bool PrintViewManager::PrintToDestination() {
// TODO(mad): Remove this once we can send user metrics from the metro driver.
// crbug.com/142330
UMA_HISTOGRAM_ENUMERATION("Metro.Print", 0, 2);
// TODO(mad): Use a passed in destination interface instead.
g_browser_process->print_job_manager()->queue()->SetDestination(
printing::CreatePrintDestination());
return PrintNowInternal(new PrintMsg_PrintPages(routing_id()));
}
void PrintViewManager::RenderProcessGone(base::TerminationStatus status) {
PrintViewManagerBase::RenderProcessGone(status);
}
void PrintViewManager::OnDidShowPrintDialog() {
}
bool PrintViewManager::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PrintViewManager, message)
IPC_MESSAGE_HANDLER(PrintHostMsg_DidShowPrintDialog, OnDidShowPrintDialog)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled ? true : PrintViewManagerBase::OnMessageReceived(message);
}
} // namespace printing

51
libcef/browser/printing/print_view_manager.h Normal file
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@ -0,0 +1,51 @@
// 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.
#ifndef CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
#define CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
#include "libcef/browser/printing/print_view_manager_base.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
class RenderProcessHost;
}
namespace printing {
// Manages the print commands for a WebContents.
class PrintViewManager : public PrintViewManagerBase,
public content::WebContentsUserData<PrintViewManager> {
public:
virtual ~PrintViewManager();
// Same as PrintNow(), but for the case where a user prints with the system
// dialog from print preview.
bool PrintForSystemDialogNow();
// Same as PrintNow(), but for the case where we want to send the result to
// another destination.
// TODO(mad) Add an argument so we can pass the destination interface.
bool PrintToDestination();
// content::WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
// content::WebContentsObserver implementation.
// Terminates or cancels the print job if one was pending.
virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
private:
explicit PrintViewManager(content::WebContents* web_contents);
friend class content::WebContentsUserData<PrintViewManager>;
// IPC Message handlers.
void OnDidShowPrintDialog();
DISALLOW_COPY_AND_ASSIGN(PrintViewManager);
};
} // namespace printing
#endif // CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_

522
libcef/browser/printing/print_view_manager_base.cc Normal file
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@ -0,0 +1,522 @@
// Copyright 2013 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 "libcef/browser/printing/print_view_manager_base.h"
#include <map>
#include "libcef/browser/content_browser_client.h"
#include "base/bind.h"
#include "base/memory/scoped_ptr.h"
#include "base/prefs/pref_service.h"
#include "base/strings/utf_string_conversions.h"
#include "base/timer/timer.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/printing/print_job.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/browser/printing/printer_query.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/print_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "grit/generated_resources.h"
#include "printing/metafile_impl.h"
#include "printing/printed_document.h"
#include "ui/base/l10n/l10n_util.h"
#if defined(OS_WIN)
#include "base/command_line.h"
#include "chrome/common/chrome_switches.h"
#endif
using base::TimeDelta;
using content::BrowserThread;
#if defined(OS_WIN)
// Limits memory usage by raster to 64 MiB.
const int kMaxRasterSizeInPixels = 16*1024*1024;
#endif
namespace printing {
PrintViewManagerBase::PrintViewManagerBase(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
number_pages_(0),
printing_succeeded_(false),
inside_inner_message_loop_(false),
cookie_(0),
queue_(g_browser_process->print_job_manager()->queue()) {
DCHECK(queue_);
#if defined(OS_POSIX) && !defined(OS_MACOSX)
expecting_first_page_ = true;
#endif
printing_enabled_.Init(
prefs::kPrintingEnabled,
CefContentBrowserClient::Get()->pref_service(),
base::Bind(&PrintViewManagerBase::UpdateScriptedPrintingBlocked,
base::Unretained(this)));
}
PrintViewManagerBase::~PrintViewManagerBase() {
ReleasePrinterQuery();
DisconnectFromCurrentPrintJob();
}
bool PrintViewManagerBase::PrintNow() {
return PrintNowInternal(new PrintMsg_PrintPages(routing_id()));
}
void PrintViewManagerBase::UpdateScriptedPrintingBlocked() {
Send(new PrintMsg_SetScriptedPrintingBlocked(
routing_id(),
!printing_enabled_.GetValue()));
}
void PrintViewManagerBase::NavigationStopped() {
// Cancel the current job, wait for the worker to finish.
TerminatePrintJob(true);
}
void PrintViewManagerBase::RenderProcessGone(base::TerminationStatus status) {
ReleasePrinterQuery();
if (!print_job_.get())
return;
scoped_refptr<PrintedDocument> document(print_job_->document());
if (document.get()) {
// If IsComplete() returns false, the document isn't completely rendered.
// Since our renderer is gone, there's nothing to do, cancel it. Otherwise,
// the print job may finish without problem.
TerminatePrintJob(!document->IsComplete());
}
}
string16 PrintViewManagerBase::RenderSourceName() {
string16 name(web_contents()->GetTitle());
if (name.empty())
name = l10n_util::GetStringUTF16(IDS_DEFAULT_PRINT_DOCUMENT_TITLE);
return name;
}
void PrintViewManagerBase::OnDidGetPrintedPagesCount(int cookie,
int number_pages) {
DCHECK_GT(cookie, 0);
DCHECK_GT(number_pages, 0);
number_pages_ = number_pages;
OpportunisticallyCreatePrintJob(cookie);
}
void PrintViewManagerBase::OnDidGetDocumentCookie(int cookie) {
cookie_ = cookie;
}
void PrintViewManagerBase::OnDidPrintPage(
const PrintHostMsg_DidPrintPage_Params& params) {
if (!OpportunisticallyCreatePrintJob(params.document_cookie))
return;
PrintedDocument* document = print_job_->document();
if (!document || params.document_cookie != document->cookie()) {
// Out of sync. It may happen since we are completely asynchronous. Old
// spurious messages can be received if one of the processes is overloaded.
return;
}
#if defined(OS_WIN) || defined(OS_MACOSX)
const bool metafile_must_be_valid = true;
#elif defined(OS_POSIX)
const bool metafile_must_be_valid = expecting_first_page_;
expecting_first_page_ = false;
#endif
base::SharedMemory shared_buf(params.metafile_data_handle, true);
if (metafile_must_be_valid) {
if (!shared_buf.Map(params.data_size)) {
NOTREACHED() << "couldn't map";
web_contents()->Stop();
return;
}
}
scoped_ptr<NativeMetafile> metafile(new NativeMetafile);
if (metafile_must_be_valid) {
if (!metafile->InitFromData(shared_buf.memory(), params.data_size)) {
NOTREACHED() << "Invalid metafile header";
web_contents()->Stop();
return;
}
}
#if defined(OS_WIN)
bool big_emf = (params.data_size && params.data_size >= kMetafileMaxSize);
const CommandLine* cmdline = CommandLine::ForCurrentProcess();
int raster_size = std::min(params.page_size.GetArea(),
kMaxRasterSizeInPixels);
if (big_emf || (cmdline && cmdline->HasSwitch(switches::kPrintRaster))) {
scoped_ptr<NativeMetafile> raster_metafile(
metafile->RasterizeMetafile(raster_size));
if (raster_metafile.get()) {
metafile.swap(raster_metafile);
} else if (big_emf) {
// Don't fall back to emf here.
NOTREACHED() << "size:" << params.data_size;
TerminatePrintJob(true);
web_contents()->Stop();
return;
}
}
#endif
// Update the rendered document. It will send notifications to the listener.
document->SetPage(params.page_number,
metafile.release(),
params.actual_shrink,
params.page_size,
params.content_area);
ShouldQuitFromInnerMessageLoop();
}
void PrintViewManagerBase::OnPrintingFailed(int cookie) {
if (cookie != cookie_) {
NOTREACHED();
return;
}
ReleasePrinterQuery();
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_PRINT_JOB_RELEASED,
content::Source<content::WebContents>(web_contents()),
content::NotificationService::NoDetails());
}
void PrintViewManagerBase::DidStartLoading(
content::RenderViewHost* render_view_host) {
UpdateScriptedPrintingBlocked();
}
bool PrintViewManagerBase::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PrintViewManagerBase, message)
IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetPrintedPagesCount,
OnDidGetPrintedPagesCount)
IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetDocumentCookie,
OnDidGetDocumentCookie)
IPC_MESSAGE_HANDLER(PrintHostMsg_DidPrintPage, OnDidPrintPage)
IPC_MESSAGE_HANDLER(PrintHostMsg_PrintingFailed, OnPrintingFailed)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PrintViewManagerBase::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_PRINT_JOB_EVENT: {
OnNotifyPrintJobEvent(*content::Details<JobEventDetails>(details).ptr());
break;
}
default: {
NOTREACHED();
break;
}
}
}
void PrintViewManagerBase::OnNotifyPrintJobEvent(
const JobEventDetails& event_details) {
switch (event_details.type()) {
case JobEventDetails::FAILED: {
TerminatePrintJob(true);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_PRINT_JOB_RELEASED,
content::Source<content::WebContents>(web_contents()),
content::NotificationService::NoDetails());
break;
}
case JobEventDetails::USER_INIT_DONE:
case JobEventDetails::DEFAULT_INIT_DONE:
case JobEventDetails::USER_INIT_CANCELED: {
NOTREACHED();
break;
}
case JobEventDetails::ALL_PAGES_REQUESTED: {
ShouldQuitFromInnerMessageLoop();
break;
}
case JobEventDetails::NEW_DOC:
case JobEventDetails::NEW_PAGE:
case JobEventDetails::PAGE_DONE:
case JobEventDetails::DOC_DONE: {
// Don't care about the actual printing process.
break;
}
case JobEventDetails::JOB_DONE: {
// Printing is done, we don't need it anymore.
// print_job_->is_job_pending() may still be true, depending on the order
// of object registration.
printing_succeeded_ = true;
ReleasePrintJob();
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_PRINT_JOB_RELEASED,
content::Source<content::WebContents>(web_contents()),
content::NotificationService::NoDetails());
break;
}
default: {
NOTREACHED();
break;
}
}
}
bool PrintViewManagerBase::RenderAllMissingPagesNow() {
if (!print_job_.get() || !print_job_->is_job_pending())
return false;
// We can't print if there is no renderer.
if (!web_contents() ||
!web_contents()->GetRenderViewHost() ||
!web_contents()->GetRenderViewHost()->IsRenderViewLive()) {
return false;
}
// Is the document already complete?
if (print_job_->document() && print_job_->document()->IsComplete()) {
printing_succeeded_ = true;
return true;
}
// WebContents is either dying or a second consecutive request to print
// happened before the first had time to finish. We need to render all the
// pages in an hurry if a print_job_ is still pending. No need to wait for it
// to actually spool the pages, only to have the renderer generate them. Run
// a message loop until we get our signal that the print job is satisfied.
// PrintJob will send a ALL_PAGES_REQUESTED after having received all the
// pages it needs. MessageLoop::current()->Quit() will be called as soon as
// print_job_->document()->IsComplete() is true on either ALL_PAGES_REQUESTED
// or in DidPrintPage(). The check is done in
// ShouldQuitFromInnerMessageLoop().
// BLOCKS until all the pages are received. (Need to enable recursive task)
if (!RunInnerMessageLoop()) {
// This function is always called from DisconnectFromCurrentPrintJob() so we
// know that the job will be stopped/canceled in any case.
return false;
}
return true;
}
void PrintViewManagerBase::ShouldQuitFromInnerMessageLoop() {
// Look at the reason.
DCHECK(print_job_->document());
if (print_job_->document() &&
print_job_->document()->IsComplete() &&
inside_inner_message_loop_) {
// We are in a message loop created by RenderAllMissingPagesNow. Quit from
// it.
base::MessageLoop::current()->Quit();
inside_inner_message_loop_ = false;
}
}
bool PrintViewManagerBase::CreateNewPrintJob(PrintJobWorkerOwner* job) {
DCHECK(!inside_inner_message_loop_);
// Disconnect the current print_job_.
DisconnectFromCurrentPrintJob();
// We can't print if there is no renderer.
if (!web_contents()->GetRenderViewHost() ||
!web_contents()->GetRenderViewHost()->IsRenderViewLive()) {
return false;
}
// Ask the renderer to generate the print preview, create the print preview
// view and switch to it, initialize the printer and show the print dialog.
DCHECK(!print_job_.get());
DCHECK(job);
if (!job)
return false;
print_job_ = new PrintJob();
print_job_->Initialize(job, this, number_pages_);
registrar_.Add(this, chrome::NOTIFICATION_PRINT_JOB_EVENT,
content::Source<PrintJob>(print_job_.get()));
printing_succeeded_ = false;
return true;
}
void PrintViewManagerBase::DisconnectFromCurrentPrintJob() {
// Make sure all the necessary rendered page are done. Don't bother with the
// return value.
bool result = RenderAllMissingPagesNow();
// Verify that assertion.
if (print_job_.get() &&
print_job_->document() &&
!print_job_->document()->IsComplete()) {
DCHECK(!result);
// That failed.
TerminatePrintJob(true);
} else {
// DO NOT wait for the job to finish.
ReleasePrintJob();
}
#if defined(OS_POSIX) && !defined(OS_MACOSX)
expecting_first_page_ = true;
#endif
}
void PrintViewManagerBase::PrintingDone(bool success) {
if (!print_job_.get())
return;
Send(new PrintMsg_PrintingDone(routing_id(), success));
}
void PrintViewManagerBase::TerminatePrintJob(bool cancel) {
if (!print_job_.get())
return;
if (cancel) {
// We don't need the metafile data anymore because the printing is canceled.
print_job_->Cancel();
inside_inner_message_loop_ = false;
} else {
DCHECK(!inside_inner_message_loop_);
DCHECK(!print_job_->document() || print_job_->document()->IsComplete());
// WebContents is either dying or navigating elsewhere. We need to render
// all the pages in an hurry if a print job is still pending. This does the
// trick since it runs a blocking message loop:
print_job_->Stop();
}
ReleasePrintJob();
}
void PrintViewManagerBase::ReleasePrintJob() {
if (!print_job_.get())
return;
PrintingDone(printing_succeeded_);
registrar_.Remove(this, chrome::NOTIFICATION_PRINT_JOB_EVENT,
content::Source<PrintJob>(print_job_.get()));
print_job_->DisconnectSource();
// Don't close the worker thread.
print_job_ = NULL;
}
bool PrintViewManagerBase::RunInnerMessageLoop() {
// This value may actually be too low:
//
// - If we're looping because of printer settings initialization, the premise
// here is that some poor users have their print server away on a VPN over a
// slow connection. In this situation, the simple fact of opening the printer
// can be dead slow. On the other side, we don't want to die infinitely for a
// real network error. Give the printer 60 seconds to comply.
//
// - If we're looping because of renderer page generation, the renderer could
// be CPU bound, the page overly complex/large or the system just
// memory-bound.
static const int kPrinterSettingsTimeout = 60000;
base::OneShotTimer<base::MessageLoop> quit_timer;
quit_timer.Start(FROM_HERE,
TimeDelta::FromMilliseconds(kPrinterSettingsTimeout),
base::MessageLoop::current(), &base::MessageLoop::Quit);
inside_inner_message_loop_ = true;
// Need to enable recursive task.
{
base::MessageLoop::ScopedNestableTaskAllower allow(
base::MessageLoop::current());
base::MessageLoop::current()->Run();
}
bool success = true;
if (inside_inner_message_loop_) {
// Ok we timed out. That's sad.
inside_inner_message_loop_ = false;
success = false;
}
return success;
}
bool PrintViewManagerBase::OpportunisticallyCreatePrintJob(int cookie) {
if (print_job_.get())
return true;
if (!cookie) {
// Out of sync. It may happens since we are completely asynchronous. Old
// spurious message can happen if one of the processes is overloaded.
return false;
}
// The job was initiated by a script. Time to get the corresponding worker
// thread.
scoped_refptr<PrinterQuery> queued_query = queue_->PopPrinterQuery(cookie);
if (!queued_query) {
NOTREACHED();
return false;
}
if (!CreateNewPrintJob(queued_query)) {
// Don't kill anything.
return false;
}
// Settings are already loaded. Go ahead. This will set
// print_job_->is_job_pending() to true.
print_job_->StartPrinting();
return true;
}
bool PrintViewManagerBase::PrintNowInternal(IPC::Message* message) {
// Don't print / print preview interstitials.
if (web_contents()->ShowingInterstitialPage()) {
delete message;
return false;
}
return Send(message);
}
void PrintViewManagerBase::ReleasePrinterQuery() {
if (!cookie_)
return;
int cookie = cookie_;
cookie_ = 0;
queue_->SetDestination(NULL);
printing::PrintJobManager* print_job_manager =
g_browser_process->print_job_manager();
// May be NULL in tests.
if (!print_job_manager)
return;
scoped_refptr<printing::PrinterQuery> printer_query;
printer_query = queue_->PopPrinterQuery(cookie);
if (!printer_query)
return;
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&PrinterQuery::StopWorker, printer_query.get()));
}
} // namespace printing

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@ -0,0 +1,166 @@
// Copyright 2013 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.
#ifndef CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_
#define CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_
#include "base/memory/ref_counted.h"
#include "base/prefs/pref_member.h"
#include "base/strings/string16.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "printing/printed_pages_source.h"
struct PrintHostMsg_DidPrintPage_Params;
namespace content {
class RenderViewHost;
}
namespace printing {
class JobEventDetails;
class PrintJob;
class PrintJobWorkerOwner;
class PrintQueriesQueue;
// Base class for managing the print commands for a WebContents.
class PrintViewManagerBase : public content::NotificationObserver,
public PrintedPagesSource,
public content::WebContentsObserver {
public:
virtual ~PrintViewManagerBase();
// Prints the current document immediately. Since the rendering is
// asynchronous, the actual printing will not be completed on the return of
// this function. Returns false if printing is impossible at the moment.
virtual bool PrintNow();
// Whether to block scripted printing for our tab or not.
void UpdateScriptedPrintingBlocked();
// PrintedPagesSource implementation.
virtual string16 RenderSourceName() OVERRIDE;
protected:
explicit PrintViewManagerBase(content::WebContents* web_contents);
// Helper method for Print*Now().
bool PrintNowInternal(IPC::Message* message);
// Terminates or cancels the print job if one was pending.
virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
// content::WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
// IPC Message handlers.
virtual void OnPrintingFailed(int cookie);
private:
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// content::WebContentsObserver implementation.
virtual void DidStartLoading(
content::RenderViewHost* render_view_host) OVERRIDE;
// Cancels the print job.
virtual void NavigationStopped() OVERRIDE;
// IPC Message handlers.
void OnDidGetPrintedPagesCount(int cookie, int number_pages);
void OnDidGetDocumentCookie(int cookie);
void OnDidPrintPage(const PrintHostMsg_DidPrintPage_Params& params);
// Processes a NOTIFY_PRINT_JOB_EVENT notification.
void OnNotifyPrintJobEvent(const JobEventDetails& event_details);
// Requests the RenderView to render all the missing pages for the print job.
// No-op if no print job is pending. Returns true if at least one page has
// been requested to the renderer.
bool RenderAllMissingPagesNow();
// Quits the current message loop if these conditions hold true: a document is
// loaded and is complete and waiting_for_pages_to_be_rendered_ is true. This
// function is called in DidPrintPage() or on ALL_PAGES_REQUESTED
// notification. The inner message loop is created was created by
// RenderAllMissingPagesNow().
void ShouldQuitFromInnerMessageLoop();
// Creates a new empty print job. It has no settings loaded. If there is
// currently a print job, safely disconnect from it. Returns false if it is
// impossible to safely disconnect from the current print job or it is
// impossible to create a new print job.
bool CreateNewPrintJob(PrintJobWorkerOwner* job);
// Makes sure the current print_job_ has all its data before continuing, and
// disconnect from it.
void DisconnectFromCurrentPrintJob();
// Notify that the printing is done.
void PrintingDone(bool success);
// Terminates the print job. No-op if no print job has been created. If
// |cancel| is true, cancel it instead of waiting for the job to finish. Will
// call ReleasePrintJob().
void TerminatePrintJob(bool cancel);
// Releases print_job_. Correctly deregisters from notifications. No-op if
// no print job has been created.
void ReleasePrintJob();
// Runs an inner message loop. It will set inside_inner_message_loop_ to true
// while the blocking inner message loop is running. This is useful in cases
// where the RenderView is about to be destroyed while a printing job isn't
// finished.
bool RunInnerMessageLoop();
// In the case of Scripted Printing, where the renderer is controlling the
// control flow, print_job_ is initialized whenever possible. No-op is
// print_job_ is initialized.
bool OpportunisticallyCreatePrintJob(int cookie);
// Release the PrinterQuery associated with our |cookie_|.
void ReleasePrinterQuery();
content::NotificationRegistrar registrar_;
// Manages the low-level talk to the printer.
scoped_refptr<PrintJob> print_job_;
// Number of pages to print in the print job.
int number_pages_;
// Indication of success of the print job.
bool printing_succeeded_;
// Running an inner message loop inside RenderAllMissingPagesNow(). This means
// we are _blocking_ until all the necessary pages have been rendered or the
// print settings are being loaded.
bool inside_inner_message_loop_;
#if defined(OS_POSIX) && !defined(OS_MACOSX)
// Set to true when OnDidPrintPage() should be expecting the first page.
bool expecting_first_page_;
#endif
// The document cookie of the current PrinterQuery.
int cookie_;
// Whether printing is enabled.
BooleanPrefMember printing_enabled_;
scoped_refptr<printing::PrintQueriesQueue> queue_;
DISALLOW_COPY_AND_ASSIGN(PrintViewManagerBase);
};
} // namespace printing
#endif // CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_

446
libcef/browser/printing/printing_message_filter.cc Normal file
View File

@ -0,0 +1,446 @@
// 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 "libcef/browser/printing/printing_message_filter.h"
#include <string>
#include "base/bind.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/printing/printer_query.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/common/print_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#if defined(OS_CHROMEOS)
#include <fcntl.h>
#include <map>
#include "base/file_util.h"
#include "base/lazy_instance.h"
#include "chrome/browser/printing/print_dialog_cloud.h"
#endif
#if defined(OS_ANDROID)
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/printing/print_view_manager_basic.h"
#include "printing/printing_context_android.h"
#endif
using content::BrowserThread;
namespace {
#if defined(OS_CHROMEOS)
typedef std::map<int, base::FilePath> SequenceToPathMap;
struct PrintingSequencePathMap {
SequenceToPathMap map;
int sequence;
};
// No locking, only access on the FILE thread.
static base::LazyInstance<PrintingSequencePathMap>
g_printing_file_descriptor_map = LAZY_INSTANCE_INITIALIZER;
#endif
void RenderParamsFromPrintSettings(const printing::PrintSettings& settings,
PrintMsg_Print_Params* params) {
params->page_size = settings.page_setup_device_units().physical_size();
params->content_size.SetSize(
settings.page_setup_device_units().content_area().width(),
settings.page_setup_device_units().content_area().height());
params->printable_area.SetRect(
settings.page_setup_device_units().printable_area().x(),
settings.page_setup_device_units().printable_area().y(),
settings.page_setup_device_units().printable_area().width(),
settings.page_setup_device_units().printable_area().height());
params->margin_top = settings.page_setup_device_units().content_area().y();
params->margin_left = settings.page_setup_device_units().content_area().x();
params->dpi = settings.dpi();
// Currently hardcoded at 1.25. See PrintSettings' constructor.
params->min_shrink = settings.min_shrink;
// Currently hardcoded at 2.0. See PrintSettings' constructor.
params->max_shrink = settings.max_shrink;
// Currently hardcoded at 72dpi. See PrintSettings' constructor.
params->desired_dpi = settings.desired_dpi;
// Always use an invalid cookie.
params->document_cookie = 0;
params->selection_only = settings.selection_only;
params->supports_alpha_blend = settings.supports_alpha_blend();
params->should_print_backgrounds = settings.should_print_backgrounds;
params->display_header_footer = settings.display_header_footer;
params->date = settings.date;
params->title = settings.title;
params->url = settings.url;
}
} // namespace
PrintingMessageFilter::PrintingMessageFilter(int render_process_id)
: render_process_id_(render_process_id),
queue_(g_browser_process->print_job_manager()->queue()) {
DCHECK(queue_);
}
PrintingMessageFilter::~PrintingMessageFilter() {
}
void PrintingMessageFilter::OverrideThreadForMessage(
const IPC::Message& message, BrowserThread::ID* thread) {
#if defined(OS_CHROMEOS)
if (message.type() == PrintHostMsg_AllocateTempFileForPrinting::ID ||
message.type() == PrintHostMsg_TempFileForPrintingWritten::ID) {
*thread = BrowserThread::FILE;
}
#elif defined(OS_ANDROID)
if (message.type() == PrintHostMsg_AllocateTempFileForPrinting::ID ||
message.type() == PrintHostMsg_TempFileForPrintingWritten::ID) {
*thread = BrowserThread::UI;
}
#endif
}
bool PrintingMessageFilter::OnMessageReceived(const IPC::Message& message,
bool* message_was_ok) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_EX(PrintingMessageFilter, message, *message_was_ok)
#if defined(OS_WIN)
IPC_MESSAGE_HANDLER(PrintHostMsg_DuplicateSection, OnDuplicateSection)
#endif
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
IPC_MESSAGE_HANDLER(PrintHostMsg_AllocateTempFileForPrinting,
OnAllocateTempFileForPrinting)
IPC_MESSAGE_HANDLER(PrintHostMsg_TempFileForPrintingWritten,
OnTempFileForPrintingWritten)
#endif
IPC_MESSAGE_HANDLER(PrintHostMsg_IsPrintingEnabled, OnIsPrintingEnabled)
IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_GetDefaultPrintSettings,
OnGetDefaultPrintSettings)
IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_ScriptedPrint, OnScriptedPrint)
IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_UpdatePrintSettings,
OnUpdatePrintSettings)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
#if defined(OS_WIN)
void PrintingMessageFilter::OnDuplicateSection(
base::SharedMemoryHandle renderer_handle,
base::SharedMemoryHandle* browser_handle) {
// Duplicate the handle in this process right now so the memory is kept alive
// (even if it is not mapped)
base::SharedMemory shared_buf(renderer_handle, true, PeerHandle());
shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), browser_handle);
}
#endif
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
void PrintingMessageFilter::OnAllocateTempFileForPrinting(
int render_view_id,
base::FileDescriptor* temp_file_fd,
int* sequence_number) {
#if defined(OS_CHROMEOS)
// TODO(thestig): Use |render_view_id| for Chrome OS.
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
temp_file_fd->fd = *sequence_number = -1;
temp_file_fd->auto_close = false;
SequenceToPathMap* map = &g_printing_file_descriptor_map.Get().map;
*sequence_number = g_printing_file_descriptor_map.Get().sequence++;
base::FilePath path;
if (file_util::CreateTemporaryFile(&path)) {
int fd = open(path.value().c_str(), O_WRONLY);
if (fd >= 0) {
SequenceToPathMap::iterator it = map->find(*sequence_number);
if (it != map->end()) {
NOTREACHED() << "Sequence number already in use. seq=" <<
*sequence_number;
} else {
(*map)[*sequence_number] = path;
temp_file_fd->fd = fd;
temp_file_fd->auto_close = true;
}
}
}
#elif defined(OS_ANDROID)
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
if (!wc)
return;
printing::PrintViewManagerBasic* print_view_manager =
printing::PrintViewManagerBasic::FromWebContents(wc);
// The file descriptor is originally created in & passed from the Android
// side, and it will handle the closing.
const base::FileDescriptor& file_descriptor =
print_view_manager->file_descriptor();
temp_file_fd->fd = file_descriptor.fd;
temp_file_fd->auto_close = false;
#endif
}
void PrintingMessageFilter::OnTempFileForPrintingWritten(int render_view_id,
int sequence_number) {
#if defined(OS_CHROMEOS)
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
SequenceToPathMap* map = &g_printing_file_descriptor_map.Get().map;
SequenceToPathMap::iterator it = map->find(sequence_number);
if (it == map->end()) {
NOTREACHED() << "Got a sequence that we didn't pass to the "
"renderer: " << sequence_number;
return;
}
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PrintingMessageFilter::CreatePrintDialogForFile,
this, render_view_id, it->second));
// Erase the entry in the map.
map->erase(it);
#elif defined(OS_ANDROID)
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
if (!wc)
return;
printing::PrintViewManagerBasic* print_view_manager =
printing::PrintViewManagerBasic::FromWebContents(wc);
const base::FileDescriptor& file_descriptor =
print_view_manager->file_descriptor();
printing::PrintingContextAndroid::PdfWritingDone(file_descriptor.fd, true);
// Invalidate the file descriptor so it doesn't accidentally get reused.
print_view_manager->set_file_descriptor(base::FileDescriptor(-1, false));
#endif
}
#endif // defined(OS_CHROMEOS) || defined(OS_ANDROID)
#if defined(OS_CHROMEOS)
void PrintingMessageFilter::CreatePrintDialogForFile(
int render_view_id,
const base::FilePath& path) {
content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
if (!wc)
return;
print_dialog_cloud::CreatePrintDialogForFile(
wc->GetBrowserContext(),
wc->GetView()->GetTopLevelNativeWindow(),
path,
wc->GetTitle(),
string16(),
std::string("application/pdf"),
false);
}
#endif // defined(OS_CHROMEOS)
content::WebContents* PrintingMessageFilter::GetWebContentsForRenderView(
int render_view_id) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
content::RenderViewHost* view = content::RenderViewHost::FromID(
render_process_id_, render_view_id);
return view ? content::WebContents::FromRenderViewHost(view) : NULL;
}
struct PrintingMessageFilter::GetPrintSettingsForRenderViewParams {
printing::PrinterQuery::GetSettingsAskParam ask_user_for_settings;
int expected_page_count;
bool has_selection;
printing::MarginType margin_type;
};
void PrintingMessageFilter::GetPrintSettingsForRenderView(
int render_view_id,
GetPrintSettingsForRenderViewParams params,
const base::Closure& callback,
scoped_refptr<printing::PrinterQuery> printer_query) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
if (wc) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&printing::PrinterQuery::GetSettings, printer_query,
params.ask_user_for_settings, wc->GetView()->GetNativeView(),
params.expected_page_count, params.has_selection,
params.margin_type, callback));
} else {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&PrintingMessageFilter::OnGetPrintSettingsFailed, this,
callback, printer_query));
}
}
void PrintingMessageFilter::OnGetPrintSettingsFailed(
const base::Closure& callback,
scoped_refptr<printing::PrinterQuery> printer_query) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
printer_query->GetSettingsDone(printing::PrintSettings(),
printing::PrintingContext::FAILED);
callback.Run();
}
void PrintingMessageFilter::OnIsPrintingEnabled(bool* is_enabled) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
*is_enabled = true;
}
void PrintingMessageFilter::OnGetDefaultPrintSettings(IPC::Message* reply_msg) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
scoped_refptr<printing::PrinterQuery> printer_query;
printer_query = queue_->PopPrinterQuery(0);
if (!printer_query)
printer_query = queue_->CreatePrinterQuery();
// Loads default settings. This is asynchronous, only the IPC message sender
// will hang until the settings are retrieved.
GetPrintSettingsForRenderViewParams params;
params.ask_user_for_settings = printing::PrinterQuery::DEFAULTS;
params.expected_page_count = 0;
params.has_selection = false;
params.margin_type = printing::DEFAULT_MARGINS;
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PrintingMessageFilter::GetPrintSettingsForRenderView, this,
reply_msg->routing_id(), params,
base::Bind(&PrintingMessageFilter::OnGetDefaultPrintSettingsReply,
this, printer_query, reply_msg),
printer_query));
}
void PrintingMessageFilter::OnGetDefaultPrintSettingsReply(
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg) {
PrintMsg_Print_Params params;
if (!printer_query.get() ||
printer_query->last_status() != printing::PrintingContext::OK) {
params.Reset();
} else {
RenderParamsFromPrintSettings(printer_query->settings(), &params);
params.document_cookie = printer_query->cookie();
}
PrintHostMsg_GetDefaultPrintSettings::WriteReplyParams(reply_msg, params);
Send(reply_msg);
// If printing was enabled.
if (printer_query.get()) {
// If user hasn't cancelled.
if (printer_query->cookie() && printer_query->settings().dpi()) {
queue_->QueuePrinterQuery(printer_query.get());
} else {
printer_query->StopWorker();
}
}
}
void PrintingMessageFilter::OnScriptedPrint(
const PrintHostMsg_ScriptedPrint_Params& params,
IPC::Message* reply_msg) {
scoped_refptr<printing::PrinterQuery> printer_query =
queue_->PopPrinterQuery(params.cookie);
if (!printer_query)
printer_query = queue_->CreatePrinterQuery();
GetPrintSettingsForRenderViewParams settings_params;
settings_params.ask_user_for_settings = printing::PrinterQuery::ASK_USER;
settings_params.expected_page_count = params.expected_pages_count;
settings_params.has_selection = params.has_selection;
settings_params.margin_type = params.margin_type;
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PrintingMessageFilter::GetPrintSettingsForRenderView, this,
reply_msg->routing_id(), settings_params,
base::Bind(&PrintingMessageFilter::OnScriptedPrintReply, this,
printer_query, reply_msg),
printer_query));
}
void PrintingMessageFilter::OnScriptedPrintReply(
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg) {
PrintMsg_PrintPages_Params params;
#if defined(OS_ANDROID)
// We need to save the routing ID here because Send method below deletes the
// |reply_msg| before we can get the routing ID for the Android code.
int routing_id = reply_msg->routing_id();
#endif
if (printer_query->last_status() != printing::PrintingContext::OK ||
!printer_query->settings().dpi()) {
params.Reset();
} else {
RenderParamsFromPrintSettings(printer_query->settings(), &params.params);
params.params.document_cookie = printer_query->cookie();
params.pages =
printing::PageRange::GetPages(printer_query->settings().ranges);
}
PrintHostMsg_ScriptedPrint::WriteReplyParams(reply_msg, params);
Send(reply_msg);
if (params.params.dpi && params.params.document_cookie) {
#if defined(OS_ANDROID)
int file_descriptor;
const string16& device_name = printer_query->settings().device_name();
if (base::StringToInt(device_name, &file_descriptor)) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PrintingMessageFilter::UpdateFileDescriptor, this,
routing_id, file_descriptor));
}
#endif
queue_->QueuePrinterQuery(printer_query.get());
} else {
printer_query->StopWorker();
}
}
#if defined(OS_ANDROID)
void PrintingMessageFilter::UpdateFileDescriptor(int render_view_id, int fd) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
if (!wc)
return;
printing::PrintViewManagerBasic* print_view_manager =
printing::PrintViewManagerBasic::FromWebContents(wc);
print_view_manager->set_file_descriptor(base::FileDescriptor(fd, false));
}
#endif
void PrintingMessageFilter::OnUpdatePrintSettings(
int document_cookie, const DictionaryValue& job_settings,
IPC::Message* reply_msg) {
scoped_refptr<printing::PrinterQuery> printer_query;
printer_query = queue_->PopPrinterQuery(document_cookie);
if (!printer_query)
printer_query = queue_->CreatePrinterQuery();
printer_query->SetSettings(
job_settings,
base::Bind(&PrintingMessageFilter::OnUpdatePrintSettingsReply, this,
printer_query, reply_msg));
}
void PrintingMessageFilter::OnUpdatePrintSettingsReply(
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg) {
PrintMsg_PrintPages_Params params;
if (!printer_query.get() ||
printer_query->last_status() != printing::PrintingContext::OK) {
params.Reset();
} else {
RenderParamsFromPrintSettings(printer_query->settings(), &params.params);
params.params.document_cookie = printer_query->cookie();
params.pages =
printing::PageRange::GetPages(printer_query->settings().ranges);
}
PrintHostMsg_UpdatePrintSettings::WriteReplyParams(reply_msg, params);
Send(reply_msg);
// If user hasn't cancelled.
if (printer_query.get()) {
if (printer_query->cookie() && printer_query->settings().dpi()) {
queue_->QueuePrinterQuery(printer_query.get());
} else {
printer_query->StopWorker();
}
}
}

132
libcef/browser/printing/printing_message_filter.h Normal file
View File

@ -0,0 +1,132 @@
// 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.
#ifndef CEF_LIBCEF_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_
#define CEF_LIBCEF_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_
#include <string>
#include "base/compiler_specific.h"
#include "content/public/browser/browser_message_filter.h"
#if defined(OS_WIN)
#include "base/memory/shared_memory.h"
#endif
struct PrintHostMsg_ScriptedPrint_Params;
namespace base {
class DictionaryValue;
class FilePath;
}
namespace content {
class WebContents;
}
namespace printing {
class PrinterQuery;
class PrintJobManager;
class PrintQueriesQueue;
}
// This class filters out incoming printing related IPC messages for the
// renderer process on the IPC thread.
class PrintingMessageFilter : public content::BrowserMessageFilter {
public:
explicit PrintingMessageFilter(int render_process_id);
// content::BrowserMessageFilter methods.
virtual void OverrideThreadForMessage(
const IPC::Message& message,
content::BrowserThread::ID* thread) OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message,
bool* message_was_ok) OVERRIDE;
private:
virtual ~PrintingMessageFilter();
#if defined(OS_WIN)
// Used to pass resulting EMF from renderer to browser in printing.
void OnDuplicateSection(base::SharedMemoryHandle renderer_handle,
base::SharedMemoryHandle* browser_handle);
#endif
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
// Used to ask the browser allocate a temporary file for the renderer
// to fill in resulting PDF in renderer.
void OnAllocateTempFileForPrinting(int render_view_id,
base::FileDescriptor* temp_file_fd,
int* sequence_number);
void OnTempFileForPrintingWritten(int render_view_id, int sequence_number);
#endif
#if defined(OS_CHROMEOS)
void CreatePrintDialogForFile(int render_view_id, const base::FilePath& path);
#endif
#if defined(OS_ANDROID)
// Updates the file descriptor for the PrintViewManagerBasic of a given
// render_view_id.
void UpdateFileDescriptor(int render_view_id, int fd);
#endif
// Given a render_view_id get the corresponding WebContents.
// Must be called on the UI thread.
content::WebContents* GetWebContentsForRenderView(int render_view_id);
// GetPrintSettingsForRenderView must be called via PostTask and
// base::Bind. Collapse the settings-specific params into a
// struct to avoid running into issues with too many params
// to base::Bind.
struct GetPrintSettingsForRenderViewParams;
// Retrieve print settings. Uses |render_view_id| to get a parent
// for any UI created if needed.
void GetPrintSettingsForRenderView(
int render_view_id,
GetPrintSettingsForRenderViewParams params,
const base::Closure& callback,
scoped_refptr<printing::PrinterQuery> printer_query);
void OnGetPrintSettingsFailed(
const base::Closure& callback,
scoped_refptr<printing::PrinterQuery> printer_query);
// Checks if printing is enabled.
void OnIsPrintingEnabled(bool* is_enabled);
// Get the default print setting.
void OnGetDefaultPrintSettings(IPC::Message* reply_msg);
void OnGetDefaultPrintSettingsReply(
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg);
// The renderer host have to show to the user the print dialog and returns
// the selected print settings. The task is handled by the print worker
// thread and the UI thread. The reply occurs on the IO thread.
void OnScriptedPrint(const PrintHostMsg_ScriptedPrint_Params& params,
IPC::Message* reply_msg);
void OnScriptedPrintReply(
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg);
// Modify the current print settings based on |job_settings|. The task is
// handled by the print worker thread and the UI thread. The reply occurs on
// the IO thread.
void OnUpdatePrintSettings(int document_cookie,
const base::DictionaryValue& job_settings,
IPC::Message* reply_msg);
void OnUpdatePrintSettingsReply(
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg);
const int render_process_id_;
scoped_refptr<printing::PrintQueriesQueue> queue_;
DISALLOW_COPY_AND_ASSIGN(PrintingMessageFilter);
};
#endif // CEF_LIBCEF_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_

3
libcef/common/cef_messages.h
View File

@ -218,3 +218,6 @@ struct ParamTraits<scoped_refptr<net::UploadData> > {
} // namespace IPC
#endif // CEF_LIBCEF_COMMON_CEF_MESSAGES_H_
#include "chrome/common/prerender_messages.h"
#include "chrome/common/print_messages.h"

2
libcef/renderer/content_renderer_client.cc
View File

@ -33,6 +33,7 @@ MSVC_POP_WARNING();
#include "base/path_service.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/renderer/loadtimes_extension_bindings.h"
#include "chrome/renderer/printing/print_web_view_helper.h"
#include "content/child/child_thread.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
@ -443,6 +444,7 @@ void CefContentRendererClient::RenderViewCreated(
browsers_.insert(std::make_pair(render_view, browser));
new CefPrerendererClient(render_view);
new printing::PrintWebViewHelper(render_view);
// Notify the render process handler.
CefRefPtr<CefApp> application = CefContentClient::Get()->application();

1
libcef/resources/cef_resources.grd
View File

@ -15,6 +15,7 @@
<include name="IDR_CEF_CREDITS_SWIFTSHADER_JPG" file="..\..\..\chrome\browser\resources\swiftshader.jpg" type="BINDATA" />
<include name="IDR_CEF_LICENSE_TXT" file="..\..\LICENSE.txt" type="BINDATA" />
<include name="IDR_CEF_VERSION_HTML" file="about_version.html" type="BINDATA" />
<include name="IDR_PRINT_PREVIEW_PAGE" file="print_preview_page_stub.html" type="BINDATA" />
</includes>
</release>
</grit>

14
libcef/resources/cef_strings.grd
View File

@ -263,6 +263,20 @@ need to be translated for each locale.-->
<message name="IDS_APP_VIDEO_FILES" desc="The text label for the Video Files filter in file open/save dialogs.">
Video Files
</message>
<!-- Print -->
<message name="IDS_DEFAULT_PRINT_DOCUMENT_TITLE" desc="Default title for a print document">
Untitled Document
</message>
<message name="IDS_PRINT_SPOOL_FAILED_TITLE_TEXT" desc="Title of a message box when printing fails because of printer issues.">
Print Failed
</message>
<message name="IDS_PRINT_SPOOL_FAILED_ERROR_TEXT" desc="Text in a messagebox when printing fails because of printer issues.">
Something went wrong when trying to print. Please check your printer and try again.
</message>
<message name="IDS_PRINT_PREVIEW_INVALID_PRINTER_SETTINGS" desc="Message to display when selected printer is not reachable or its settings are invalid.">
The selected printer is not available or not installed correctly. Check your printer or try selecting another printer.
</message>
</messages>
</release>
</grit>

2
libcef/resources/grit_stub/grit/browser_resources.h Normal file
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@ -0,0 +1,2 @@
#include <grit/cef_resources.h>
#include <grit/cef_strings.h>

2
libcef/resources/grit_stub/grit/generated_resources.h Normal file
View File

@ -0,0 +1,2 @@
#include <grit/cef_resources.h>
#include <grit/cef_strings.h>

1
libcef/resources/print_preview_page_stub.html Normal file
View File

@ -0,0 +1 @@
<html></html>

12
libcef_dll/cpptoc/browser_host_cpptoc.cc
View File

@ -302,6 +302,17 @@ void CEF_CALLBACK browser_host_start_download(struct _cef_browser_host_t* self,
CefString(url));
}
void CEF_CALLBACK browser_host_print(struct _cef_browser_host_t* self) {
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
DCHECK(self);
if (!self)
return;
// Execute
CefBrowserHostCppToC::Get(self)->Print();
}
void CEF_CALLBACK browser_host_set_mouse_cursor_change_disabled(
struct _cef_browser_host_t* self, int disabled) {
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
@ -586,6 +597,7 @@ CefBrowserHostCppToC::CefBrowserHostCppToC(CefBrowserHost* cls)
struct_.struct_.set_zoom_level = browser_host_set_zoom_level;
struct_.struct_.run_file_dialog = browser_host_run_file_dialog;
struct_.struct_.start_download = browser_host_start_download;
struct_.struct_.print = browser_host_print;
struct_.struct_.set_mouse_cursor_change_disabled =
browser_host_set_mouse_cursor_change_disabled;
struct_.struct_.is_mouse_cursor_change_disabled =

10
libcef_dll/ctocpp/browser_host_ctocpp.cc
View File

@ -250,6 +250,16 @@ void CefBrowserHostCToCpp::StartDownload(const CefString& url) {
url.GetStruct());
}
void CefBrowserHostCToCpp::Print() {
if (CEF_MEMBER_MISSING(struct_, print))
return;
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
// Execute
struct_->print(struct_);
}
void CefBrowserHostCToCpp::SetMouseCursorChangeDisabled(bool disabled) {
if (CEF_MEMBER_MISSING(struct_, set_mouse_cursor_change_disabled))
return;

1
libcef_dll/ctocpp/browser_host_ctocpp.h
View File

@ -53,6 +53,7 @@ class CefBrowserHostCToCpp
const std::vector<CefString>& accept_types,
CefRefPtr<CefRunFileDialogCallback> callback) OVERRIDE;
virtual void StartDownload(const CefString& url) OVERRIDE;
virtual void Print() OVERRIDE;
virtual void SetMouseCursorChangeDisabled(bool disabled) OVERRIDE;
virtual bool IsMouseCursorChangeDisabled() OVERRIDE;
virtual bool IsWindowRenderingDisabled() OVERRIDE;

1
tests/cefclient/cefclient.rc
View File

@ -78,6 +78,7 @@ BEGIN
MENUITEM "Zoom Reset", ID_TESTS_ZOOM_RESET
MENUITEM "Begin Tracing", ID_TESTS_TRACING_BEGIN
MENUITEM "End Tracing", ID_TESTS_TRACING_END
MENUITEM "Print", ID_TESTS_PRINT
MENUITEM "Other Tests", ID_TESTS_OTHER_TESTS
END
END

10
tests/cefclient/cefclient_gtk.cpp
View File

@ -149,6 +149,14 @@ gboolean EndTracingActivated(GtkWidget* widget) {
return FALSE; // Don't stop this message.
}
// Callback for Tests > Print menu item.
gboolean PrintActivated(GtkWidget* widget) {
if (g_handler.get())
g_handler->GetBrowser()->GetHost()->Print();
return FALSE; // Don't stop this message.
}
// Callback for Tests > Other Tests... menu item.
gboolean OtherTestsActivated(GtkWidget* widget) {
if (g_handler.get() && g_handler->GetBrowserId())
@ -232,6 +240,8 @@ GtkWidget* CreateMenuBar() {
G_CALLBACK(BeginTracingActivated));
AddMenuEntry(debug_menu, "End Tracing",
G_CALLBACK(EndTracingActivated));
AddMenuEntry(debug_menu, "Print",
G_CALLBACK(PrintActivated));
AddMenuEntry(debug_menu, "Other Tests",
G_CALLBACK(OtherTestsActivated));
return menu_bar;

9
tests/cefclient/cefclient_mac.mm
View File

@ -217,6 +217,7 @@ NSButton* MakeButton(NSRect* rect, NSString* title, NSView* parent) {
- (IBAction)testZoomReset:(id)sender;
- (IBAction)testBeginTracing:(id)sender;
- (IBAction)testEndTracing:(id)sender;
- (IBAction)testPrint:(id)sender;
- (IBAction)testOtherTests:(id)sender;
@end
@ -266,6 +267,9 @@ NSButton* MakeButton(NSRect* rect, NSString* title, NSView* parent) {
[testMenu addItemWithTitle:@"End Tracing"
action:@selector(testEndTracing:)
keyEquivalent:@""];
[testMenu addItemWithTitle:@"Print"
action:@selector(testPrint:)
keyEquivalent:@""];
[testMenu addItemWithTitle:@"Other Tests"
action:@selector(testOtherTests:)
keyEquivalent:@""];
@ -428,6 +432,11 @@ NSButton* MakeButton(NSRect* rect, NSString* title, NSView* parent) {
g_handler->EndTracing();
}
- (IBAction)testPrint:(id)sender {
if (g_handler.get() && g_handler->GetBrowserId())
g_handler->GetBrowser()->GetHost()->Print();
}
- (IBAction)testOtherTests:(id)sender {
if (g_handler.get() && g_handler->GetBrowserId())
RunOtherTests(g_handler->GetBrowser());

4
tests/cefclient/cefclient_win.cpp
View File

@ -430,6 +430,10 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
case ID_TESTS_TRACING_END:
g_handler->EndTracing();
return 0;
case ID_TESTS_PRINT:
if(browser.get())
browser->GetHost()->Print();
return 0;
case ID_TESTS_OTHER_TESTS:
if (browser.get())
RunOtherTests(browser);

1
tests/cefclient/res/other_tests.html
View File

@ -27,6 +27,7 @@
<li><a href="http://webglsamples.googlecode.com/hg/field/field.html">WebGL</a></li>
<li><a href="http://apprtc.appspot.com/">WebRTC</a> - requires "enable-media-stream" flag</li>
<li><a href="http://tests/xmlhttprequest">XMLHttpRequest</a></li>
<li><a href="javascript:window.print();">Print this page with &quot;javascript:window.print();&quot;</a></li>
</ul>
</body>
</html>

13
tests/cefclient/resource.h
View File

@ -31,12 +31,13 @@
#define ID_TESTS_OTHER_TESTS 32702
#define ID_TESTS_PLUGIN_INFO 32703
#define ID_TESTS_POPUP 32704
#define ID_TESTS_REQUEST 32705
#define ID_TESTS_TRACING_BEGIN 32706
#define ID_TESTS_TRACING_END 32707
#define ID_TESTS_ZOOM_IN 32708
#define ID_TESTS_ZOOM_OUT 32709
#define ID_TESTS_ZOOM_RESET 32710
#define ID_TESTS_PRINT 32705
#define ID_TESTS_REQUEST 32706
#define ID_TESTS_TRACING_BEGIN 32707
#define ID_TESTS_TRACING_END 32708
#define ID_TESTS_ZOOM_IN 32709
#define ID_TESTS_ZOOM_OUT 32710
#define ID_TESTS_ZOOM_RESET 32711
#define IDC_STATIC -1
#define IDS_BINDING 1000
#define IDS_DIALOGS 1001

2
tools/distrib/cefclient.gyp
View File

@ -368,7 +368,7 @@
# gtk requires gmodule, but it does not list it as a dependency
# in some misconfigured systems.
# gtkglext is required by the cefclient OSR example.
'gtk_packages': 'gmodule-2.0 gtk+-2.0 gthread-2.0 gtkglext-1.0',
'gtk_packages': 'gmodule-2.0 gtk+-2.0 gthread-2.0 gtkglext-1.0 gtk+-unix-print-2.0',
},
'direct_dependent_settings': {
'cflags': [