electron/patches/chromium/printing.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Heilig Benedek <benecene@gmail.com>
Date: Thu, 18 Oct 2018 17:08:18 -0700
Subject: printing.patch

Add changeset that was previously applied to sources in chromium_src. The
majority of changes originally come from these PRs:
  * https://github.com/electron/electron/pull/1835
  * https://github.com/electron/electron/pull/8596

diff --git a/chrome/browser/printing/print_job_worker.cc b/chrome/browser/printing/print_job_worker.cc
index 88a6142eea4c7a219c08fe3463c44711f5c9fada..a1ec557f54cea6e976d357032328f2e10cc30054 100644
--- a/chrome/browser/printing/print_job_worker.cc
+++ b/chrome/browser/printing/print_job_worker.cc
@@ -21,12 +21,12 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/printing/print_job.h"
-#include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
+#include "electron/grit/electron_resources.h"
 #include "printing/print_job_constants.h"
 #include "printing/printed_document.h"
 #include "printing/printing_utils.h"
diff --git a/chrome/browser/printing/print_view_manager_base.cc b/chrome/browser/printing/print_view_manager_base.cc
index 7ba43aada1ac44827cca264d6f37814e4a91f458..db011ba8370423723ff9d21be30cbf25db1e7537 100644
--- a/chrome/browser/printing/print_view_manager_base.cc
+++ b/chrome/browser/printing/print_view_manager_base.cc
@@ -27,10 +27,7 @@
 #include "chrome/browser/printing/print_view_manager_common.h"
 #include "chrome/browser/printing/printer_query.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/simple_message_box.h"
-#include "chrome/browser/ui/webui/print_preview/printer_handler.h"
 #include "chrome/common/pref_names.h"
-#include "chrome/grit/generated_resources.h"
 #include "components/prefs/pref_service.h"
 #include "components/printing/browser/print_composite_client.h"
 #include "components/printing/browser/print_manager_utils.h"
@@ -45,6 +42,7 @@
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
+#include "electron/grit/electron_resources.h"
 #include "mojo/public/cpp/system/buffer.h"
 #include "printing/buildflags/buildflags.h"
 #include "printing/metafile_skia.h"
@@ -64,6 +62,8 @@ using PrintSettingsCallback =
     base::OnceCallback<void(scoped_refptr<PrinterQuery>)>;
 
 void ShowWarningMessageBox(const base::string16& message) {
+  LOG(ERROR) << "Invalid printer settings " << message;
+#if 0
   // Runs always on the UI thread.
   static bool is_dialog_shown = false;
   if (is_dialog_shown)
@@ -72,6 +72,7 @@ void ShowWarningMessageBox(const base::string16& message) {
   base::AutoReset<bool> auto_reset(&is_dialog_shown, true);
 
   chrome::ShowWarningMessageBox(nullptr, base::string16(), message);
+#endif
 }
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
@@ -109,12 +110,14 @@ PrintViewManagerBase::PrintViewManagerBase(content::WebContents* web_contents)
       queue_(g_browser_process->print_job_manager()->queue()),
       weak_ptr_factory_(this) {
   DCHECK(queue_);
+#if 0
   Profile* profile =
       Profile::FromBrowserContext(web_contents->GetBrowserContext());
   printing_enabled_.Init(
       prefs::kPrintingEnabled, profile->GetPrefs(),
       base::Bind(&PrintViewManagerBase::UpdatePrintingEnabled,
                  weak_ptr_factory_.GetWeakPtr()));
+#endif
 }
 
 PrintViewManagerBase::~PrintViewManagerBase() {
@@ -122,12 +125,14 @@ PrintViewManagerBase::~PrintViewManagerBase() {
   DisconnectFromCurrentPrintJob();
 }
 
-bool PrintViewManagerBase::PrintNow(content::RenderFrameHost* rfh) {
+bool PrintViewManagerBase::PrintNow(content::RenderFrameHost* rfh,
+                                    std::unique_ptr<IPC::Message> message,
+                                    CompletionCallback callback) {
   DisconnectFromCurrentPrintJob();
 
   SetPrintingRFH(rfh);
-  int32_t id = rfh->GetRoutingID();
-  return PrintNowInternal(rfh, std::make_unique<PrintMsg_PrintPages>(id));
+  callback_ = std::move(callback);
+  return PrintNowInternal(rfh, std::move(message));
 }
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
@@ -242,9 +247,9 @@ void PrintViewManagerBase::StartLocalPrintJob(
 void PrintViewManagerBase::UpdatePrintingEnabled() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   // The Unretained() is safe because ForEachFrame() is synchronous.
-  web_contents()->ForEachFrame(base::BindRepeating(
-      &PrintViewManagerBase::SendPrintingEnabled, base::Unretained(this),
-      printing_enabled_.GetValue()));
+  web_contents()->ForEachFrame(
+      base::BindRepeating(&PrintViewManagerBase::SendPrintingEnabled,
+                          base::Unretained(this), true));
 }
 
 void PrintViewManagerBase::NavigationStopped() {
@@ -336,7 +341,7 @@ void PrintViewManagerBase::OnPrintingFailed(int cookie) {
   PrintManager::OnPrintingFailed(cookie);
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
-  ShowPrintErrorDialog();
+  // ShowPrintErrorDialog();
 #endif
 
   ReleasePrinterQuery();
@@ -594,6 +599,9 @@ void PrintViewManagerBase::ReleasePrintJob() {
   content::RenderFrameHost* rfh = printing_rfh_;
   printing_rfh_ = nullptr;
 
+  if (!callback_.is_null())
+    std::move(callback_).Run(printing_succeeded_);
+
   if (!print_job_)
     return;
 
diff --git a/chrome/browser/printing/print_view_manager_base.h b/chrome/browser/printing/print_view_manager_base.h
index cf074791d0e2e17bbf8cf0b000b8d63e235b7deb..0838041cfe45d26dca65b549452535820191ae44 100644
--- a/chrome/browser/printing/print_view_manager_base.h
+++ b/chrome/browser/printing/print_view_manager_base.h
@@ -39,6 +39,8 @@ class PrintJob;
 class PrintQueriesQueue;
 class PrinterQuery;
 
+using CompletionCallback = base::OnceCallback<void(bool)>;
+
 // Base class for managing the print commands for a WebContents.
 class PrintViewManagerBase : public content::NotificationObserver,
                              public PrintManager {
@@ -48,7 +50,9 @@ class PrintViewManagerBase : public content::NotificationObserver,
   // 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(content::RenderFrameHost* rfh);
+  virtual bool PrintNow(content::RenderFrameHost* rfh,
+                        std::unique_ptr<IPC::Message> message,
+                        CompletionCallback callback);
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Prints the document in |print_data| with settings specified in
@@ -195,6 +199,9 @@ class PrintViewManagerBase : public content::NotificationObserver,
   // The current RFH that is printing with a system printing dialog.
   content::RenderFrameHost* printing_rfh_;
 
+  // Responded with success of the print job.
+  CompletionCallback callback_;
+
   // Indication of success of the print job.
   bool printing_succeeded_;
 
diff --git a/chrome/browser/printing/printing_message_filter.cc b/chrome/browser/printing/printing_message_filter.cc
index 1f79e7b127f35e2eaef923af5c4a5f0a7e5250a5..b93d8f59850b59f74271233440d1a3b2d0aded46 100644
--- a/chrome/browser/printing/printing_message_filter.cc
+++ b/chrome/browser/printing/printing_message_filter.cc
@@ -21,6 +21,7 @@
 #include "components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h"
 #include "components/printing/browser/print_manager_utils.h"
 #include "components/printing/common/print_messages.h"
+#include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
@@ -89,20 +90,23 @@ void PrintingMessageFilter::SetDelegateForTesting(TestDelegate* delegate) {
   g_test_delegate = delegate;
 }
 
-PrintingMessageFilter::PrintingMessageFilter(int render_process_id,
-                                             Profile* profile)
+PrintingMessageFilter::PrintingMessageFilter(
+    int render_process_id,
+    content::BrowserContext* browser_context)
     : BrowserMessageFilter(PrintMsgStart),
       render_process_id_(render_process_id),
       queue_(g_browser_process->print_job_manager()->queue()) {
   DCHECK(queue_.get());
   printing_shutdown_notifier_ =
       PrintingMessageFilterShutdownNotifierFactory::GetInstance()
-          ->Get(profile)
+          ->Get(browser_context)
           ->Subscribe(base::Bind(&PrintingMessageFilter::ShutdownOnUIThread,
                                  base::Unretained(this)));
+#if 0
   is_printing_enabled_.Init(prefs::kPrintingEnabled, profile->GetPrefs());
   is_printing_enabled_.MoveToThread(
       base::CreateSingleThreadTaskRunnerWithTraits({BrowserThread::IO}));
+#endif
 }
 
 PrintingMessageFilter::~PrintingMessageFilter() {
@@ -138,11 +142,13 @@ bool PrintingMessageFilter::OnMessageReceived(const IPC::Message& message) {
 void PrintingMessageFilter::OnGetDefaultPrintSettings(IPC::Message* reply_msg) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   scoped_refptr<PrinterQuery> printer_query;
+#if 0
   if (!is_printing_enabled_.GetValue()) {
     // Reply with NULL query.
     OnGetDefaultPrintSettingsReply(printer_query, reply_msg);
     return;
   }
+#endif
   printer_query = queue_->PopPrinterQuery(0);
   if (!printer_query.get()) {
     printer_query =
@@ -228,11 +234,13 @@ void PrintingMessageFilter::OnUpdatePrintSettings(int document_cookie,
                                                   base::Value job_settings,
                                                   IPC::Message* reply_msg) {
   scoped_refptr<PrinterQuery> printer_query;
+#if 0
   if (!is_printing_enabled_.GetValue()) {
     // Reply with NULL query.
     OnUpdatePrintSettingsReply(printer_query, reply_msg);
     return;
   }
+#endif
   printer_query = queue_->PopPrinterQuery(document_cookie);
   if (!printer_query.get()) {
     printer_query = queue_->CreatePrinterQuery(
@@ -295,7 +303,7 @@ void PrintingMessageFilter::OnUpdatePrintSettingsReply(
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintingMessageFilter::OnCheckForCancel(const PrintHostMsg_PreviewIds& ids,
                                              bool* cancel) {
-  *cancel = PrintPreviewUI::ShouldCancelRequest(ids);
+  *cancel = false;
 }
 #endif
 
diff --git a/chrome/browser/printing/printing_message_filter.h b/chrome/browser/printing/printing_message_filter.h
index 04b76398ebee1bc3aeaf67ecf5b32272d56d5445..1e21ecb5fb903d56c76f338225b6df6fadc933a2 100644
--- a/chrome/browser/printing/printing_message_filter.h
+++ b/chrome/browser/printing/printing_message_filter.h
@@ -24,6 +24,10 @@ struct PrintHostMsg_ScriptedPrint_Params;
 struct PrintMsg_Print_Params;
 class Profile;
 
+namespace content {
+class BrowserContext;
+}
+
 namespace printing {
 
 class PrintQueriesQueue;
@@ -44,7 +48,8 @@ class PrintingMessageFilter : public content::BrowserMessageFilter {
 
   static void SetDelegateForTesting(TestDelegate* delegate);
 
-  PrintingMessageFilter(int render_process_id, Profile* profile);
+  PrintingMessageFilter(int render_process_id,
+                        content::BrowserContext* browser_context);
 
   // content::BrowserMessageFilter:
   bool OnMessageReceived(const IPC::Message& message) override;
diff --git a/components/printing/common/print_messages.h b/components/printing/common/print_messages.h
index 1802034a6e15a6ad8b0d9591cfb79ba5873dc982..a827091facdb4f6b1d74ce826c3492ced27c008e 100644
--- a/components/printing/common/print_messages.h
+++ b/components/printing/common/print_messages.h
@@ -368,7 +368,10 @@ IPC_MESSAGE_ROUTED0(PrintMsg_PrintNodeUnderContextMenu)
 #if BUILDFLAG(ENABLE_PRINTING)
 // Tells the RenderFrame to switch the CSS to print media type, renders every
 // requested pages and switch back the CSS to display media type.
-IPC_MESSAGE_ROUTED0(PrintMsg_PrintPages)
+IPC_MESSAGE_ROUTED3(PrintMsg_PrintPages,
+                    bool /* silent print */,
+                    bool /* print page's background */,
+                    base::DictionaryValue /* settings */)
 
 // Like PrintMsg_PrintPages, but using the print preview document's frame/node.
 IPC_MESSAGE_ROUTED0(PrintMsg_PrintForSystemDialog)
diff --git a/components/printing/renderer/print_render_frame_helper.cc b/components/printing/renderer/print_render_frame_helper.cc
index 74f26daa76a22c749007f06a7f4eeeafb8bb297b..5c54aad4e874d723dd4b9e5733449d2af6d9e047 100644
--- a/components/printing/renderer/print_render_frame_helper.cc
+++ b/components/printing/renderer/print_render_frame_helper.cc
@@ -1115,7 +1115,9 @@ void PrintRenderFrameHelper::ScriptedPrint(bool user_initiated) {
     web_frame->DispatchBeforePrintEvent();
     if (!weak_this)
       return;
-    Print(web_frame, blink::WebNode(), PrintRequestType::kScripted);
+    Print(web_frame, blink::WebNode(), PrintRequestType::kScripted,
+          false /* silent */, false /* print_background */,
+          base::DictionaryValue() /* new_settings */);
     if (weak_this)
       web_frame->DispatchAfterPrintEvent();
   }
@@ -1163,7 +1165,10 @@ void PrintRenderFrameHelper::OnDestruct() {
   delete this;
 }
 
-void PrintRenderFrameHelper::OnPrintPages() {
+void PrintRenderFrameHelper::OnPrintPages(
+    bool silent,
+    bool print_background,
+    const base::DictionaryValue& settings) {
   if (ipc_nesting_level_ > 1)
     return;
 
@@ -1176,7 +1181,8 @@ void PrintRenderFrameHelper::OnPrintPages() {
   // If we are printing a PDF extension frame, find the plugin node and print
   // that instead.
   auto plugin = delegate_->GetPdfElement(frame);
-  Print(frame, plugin, PrintRequestType::kRegular);
+  Print(frame, plugin, PrintRequestType::kRegular,
+        silent, print_background, settings);
   if (weak_this)
     frame->DispatchAfterPrintEvent();
   // WARNING: |this| may be gone at this point. Do not do any more work here and
@@ -1193,7 +1199,7 @@ void PrintRenderFrameHelper::OnPrintForSystemDialog() {
   }
   auto weak_this = weak_ptr_factory_.GetWeakPtr();
   Print(frame, print_preview_context_.source_node(),
-        PrintRequestType::kRegular);
+        PrintRequestType::kRegular, false, false, base::DictionaryValue());
   if (weak_this)
     frame->DispatchAfterPrintEvent();
   // WARNING: |this| may be gone at this point. Do not do any more work here and
@@ -1229,6 +1235,8 @@ void PrintRenderFrameHelper::OnPrintPreview(
   if (ipc_nesting_level_ > 1)
     return;
 
+  blink::WebLocalFrame* frame = render_frame()->GetWebFrame();
+  print_preview_context_.InitWithFrame(frame);
   print_preview_context_.OnPrintPreview();
 
   UMA_HISTOGRAM_ENUMERATION("PrintPreview.PreviewEvent",
@@ -1621,7 +1629,10 @@ void PrintRenderFrameHelper::PrintNode(const blink::WebNode& node) {
 
     auto self = weak_ptr_factory_.GetWeakPtr();
     Print(duplicate_node.GetDocument().GetFrame(), duplicate_node,
-          PrintRequestType::kRegular);
+          PrintRequestType::kRegular,
+          false /* silent */,
+          false /* print_background */,
+          base::DictionaryValue() /* new_settings */);
     // Check if |this| is still valid.
     if (!self)
       return;
@@ -1632,7 +1643,10 @@ void PrintRenderFrameHelper::PrintNode(const blink::WebNode& node) {
 
 void PrintRenderFrameHelper::Print(blink::WebLocalFrame* frame,
                                    const blink::WebNode& node,
-                                   PrintRequestType print_request_type) {
+                                   PrintRequestType print_request_type,
+                                   bool silent,
+                                   bool print_background,
+                                   const base::DictionaryValue& settings) {
   // If still not finished with earlier print request simply ignore.
   if (prep_frame_view_)
     return;
@@ -1640,7 +1654,7 @@ void PrintRenderFrameHelper::Print(blink::WebLocalFrame* frame,
   FrameReference frame_ref(frame);
 
   int expected_page_count = 0;
-  if (!CalculateNumberOfPages(frame, node, &expected_page_count)) {
+  if (!CalculateNumberOfPages(frame, node, &expected_page_count, settings)) {
     DidFinishPrinting(FAIL_PRINT_INIT);
     return;  // Failed to init print page settings.
   }
@@ -1660,8 +1674,9 @@ void PrintRenderFrameHelper::Print(blink::WebLocalFrame* frame,
 
     PrintMsg_PrintPages_Params print_settings;
     auto self = weak_ptr_factory_.GetWeakPtr();
-    GetPrintSettingsFromUser(frame_ref.GetFrame(), node, expected_page_count,
-                             print_request_type, &print_settings);
+    if (!silent)
+      GetPrintSettingsFromUser(frame_ref.GetFrame(), node, expected_page_count,
+                               print_request_type, &print_settings);
     // Check if |this| is still valid.
     if (!self)
       return;
@@ -1671,6 +1686,7 @@ void PrintRenderFrameHelper::Print(blink::WebLocalFrame* frame,
             ? blink::kWebPrintScalingOptionSourceSize
             : scaling_option;
     SetPrintPagesParams(print_settings);
+    print_settings.params.should_print_backgrounds = print_background;
     if (print_settings.params.dpi.IsEmpty() ||
         !print_settings.params.document_cookie) {
       DidFinishPrinting(OK);  // Release resources and fail silently on failure.
@@ -1859,10 +1875,24 @@ std::vector<int> PrintRenderFrameHelper::GetPrintedPages(
   return printed_pages;
 }
 
-bool PrintRenderFrameHelper::InitPrintSettings(bool fit_to_paper_size) {
+bool PrintRenderFrameHelper::InitPrintSettings(
+    bool fit_to_paper_size,
+    const base::DictionaryValue& new_settings) {
   PrintMsg_PrintPages_Params settings;
-  Send(new PrintHostMsg_GetDefaultPrintSettings(routing_id(),
-                                                &settings.params));
+  if (new_settings.empty()) {
+    Send(new PrintHostMsg_GetDefaultPrintSettings(routing_id(),
+                                                  &settings.params));
+  } else {
+    // Send the cookie so that UpdatePrintSettings can reuse PrinterQuery when
+    // possible.
+    int cookie =
+        print_pages_params_ ? print_pages_params_->params.document_cookie : 0;
+    bool canceled = false;
+    Send(new PrintHostMsg_UpdatePrintSettings(
+        routing_id(), cookie, new_settings, &settings, &canceled));
+    if (canceled)
+      return false;
+  }
   // Check if the printer returned any settings, if the settings is empty, we
   // can safely assume there are no printer drivers configured. So we safely
   // terminate.
@@ -1882,12 +1912,14 @@ bool PrintRenderFrameHelper::InitPrintSettings(bool fit_to_paper_size) {
   return result;
 }
 
-bool PrintRenderFrameHelper::CalculateNumberOfPages(blink::WebLocalFrame* frame,
-                                                    const blink::WebNode& node,
-                                                    int* number_of_pages) {
+bool PrintRenderFrameHelper::CalculateNumberOfPages(
+    blink::WebLocalFrame* frame,
+    const blink::WebNode& node,
+    int* number_of_pages,
+    const base::DictionaryValue& settings) {
   DCHECK(frame);
   bool fit_to_paper_size = !IsPrintingNodeOrPdfFrame(frame, node);
-  if (!InitPrintSettings(fit_to_paper_size)) {
+  if (!InitPrintSettings(fit_to_paper_size, settings)) {
     notify_browser_of_print_failure_ = false;
     Send(new PrintHostMsg_ShowInvalidPrinterSettingsError(routing_id()));
     return false;
diff --git a/components/printing/renderer/print_render_frame_helper.h b/components/printing/renderer/print_render_frame_helper.h
index 1e2777561ba600f8c11a59c79e3e1f6a4e4e696e..b4df0b89bce2ea7bf3a6ad2f02fb3821417cbb87 100644
--- a/components/printing/renderer/print_render_frame_helper.h
+++ b/components/printing/renderer/print_render_frame_helper.h
@@ -193,7 +193,9 @@ class PrintRenderFrameHelper
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // Message handlers ---------------------------------------------------------
-  void OnPrintPages();
+  void OnPrintPages(bool silent,
+                    bool print_background,
+                    const base::DictionaryValue& settings);
   void OnPrintForSystemDialog();
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnInitiatePrintPreview(bool has_selection);
@@ -243,7 +245,10 @@ class PrintRenderFrameHelper
   // WARNING: |this| may be gone after this method returns.
   void Print(blink::WebLocalFrame* frame,
              const blink::WebNode& node,
-             PrintRequestType print_request_type);
+             PrintRequestType print_request_type,
+             bool silent,
+             bool print_background,
+             const base::DictionaryValue& settings);
 
   // Notification when printing is done - signal tear-down/free resources.
   void DidFinishPrinting(PrintingResult result);
@@ -252,12 +257,14 @@ class PrintRenderFrameHelper
 
   // Initialize print page settings with default settings.
   // Used only for native printing workflow.
-  bool InitPrintSettings(bool fit_to_paper_size);
+  bool InitPrintSettings(bool fit_to_paper_size,
+                         const base::DictionaryValue& settings);
 
   // Calculate number of pages in source document.
   bool CalculateNumberOfPages(blink::WebLocalFrame* frame,
                               const blink::WebNode& node,
-                              int* number_of_pages);
+                              int* number_of_pages,
+                              const base::DictionaryValue& settings);
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Set options for print preset from source PDF document.