Printing: Temporary fix on Linux using dummy print settings until we get the entire Linux printing pipeline to match Win/Mac.

BUG=none
TEST=printing works.
Review URL: http://codereview.chromium.org/3619002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61556 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 42 insertions, 50 deletions

diff --git a/chrome/renderer/print_web_view_helper_linux.cc b/chrome/renderer/print_web_view_helper_linux.cc
index 53e021a..b7fbdb8 100644
--- a/chrome/renderer/print_web_view_helper_linux.cc
+++ b/chrome/renderer/print_web_view_helper_linux.cc
@@ -9,7 +9,6 @@
 #include "chrome/common/render_messages.h"
 #include "chrome/common/render_messages_params.h"
 #include "printing/native_metafile.h"
-#include "printing/units.h"
 #include "skia/ext/vector_canvas.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebSize.h"
@@ -18,34 +17,6 @@ using printing::NativeMetafile;
 using WebKit::WebFrame;
 using WebKit::WebSize;
 
-static void FillDefaultPrintParams(ViewMsg_Print_Params* params) {
-  // TODO(myhuang): Get printing parameters via IPC
-  // using the print_web_view_helper.cc version of Print.
-  // For testing purpose, we hard-coded printing parameters here.
-
-  // The paper size is US Letter (8.5 in. by 11 in.).
-  double page_width_in_pixel = 8.5 * printing::kPixelsPerInch;
-  double page_height_in_pixel = 11.0 * printing::kPixelsPerInch;
-  params->page_size = gfx::Size(
-      static_cast<int>(page_width_in_pixel),
-      static_cast<int>(page_height_in_pixel));
-  params->printable_size = gfx::Size(
-      static_cast<int>(
-          page_width_in_pixel -
-          (NativeMetafile::kLeftMarginInInch +
-           NativeMetafile::kRightMarginInInch) * printing::kPixelsPerInch),
-      static_cast<int>(
-          page_height_in_pixel -
-          (NativeMetafile::kTopMarginInInch +
-           NativeMetafile::kBottomMarginInInch) * printing::kPixelsPerInch));
-  params->margin_top = static_cast<int>(
-      NativeMetafile::kTopMarginInInch * printing::kPixelsPerInch);
-  params->margin_left = static_cast<int>(
-      NativeMetafile::kLeftMarginInInch * printing::kPixelsPerInch);
-  params->dpi = printing::kPixelsPerInch;
-  params->desired_dpi = params->dpi;
-}
-
 void PrintWebViewHelper::PrintPages(const ViewMsg_PrintPages_Params& params,
                                     WebFrame* frame) {
   PrepareFrameAndViewForPrint prep_frame_view(params.params,
@@ -104,9 +75,6 @@ void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
                                    const gfx::Size& canvas_size,
                                    WebFrame* frame,
                                    printing::NativeMetafile* metafile) {
-  ViewMsg_Print_Params default_params;
-  FillDefaultPrintParams(&default_params);
-
   double content_width_in_points;
   double content_height_in_points;
   double margin_top_in_points;
@@ -115,7 +83,7 @@ void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
   double margin_left_in_points;
   GetPageSizeAndMarginsInPoints(frame,
                                 params.page_number,
-                                default_params,
+                                params.params,
                                 &content_width_in_points,
                                 &content_height_in_points,
                                 &margin_top_in_points,
diff --git a/printing/print_settings.cc b/printing/print_settings.cc
index 0950d63..6ab53f6 100644
--- a/printing/print_settings.cc
+++ b/printing/print_settings.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -7,6 +7,8 @@
 // TODO(jhawkins): Move platform-specific implementations to their own files.
 #if defined(USE_X11)
 #include <gtk/gtk.h>
+#include <gtk/gtkprinter.h>
+#include "printing/native_metafile.h"
 #endif  // defined(USE_X11)
 
 #include "base/atomic_sequence_num.h"
@@ -129,7 +131,7 @@ void PrintSettings::Init(PMPrinter printer, PMPageFormat page_format,
                           printable_area_device_units,
                           72);
 }
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
 void PrintSettings::Init(GtkPrintSettings* settings,
                          GtkPageSetup* page_setup,
                          const PageRanges& new_ranges,
@@ -140,23 +142,42 @@ void PrintSettings::Init(GtkPrintSettings* settings,
   printer_name_ = UTF8ToWide(name);
   device_name_ = printer_name_;
   ranges = new_ranges;
+  selection_only = print_selection_only;
 
   GtkPageOrientation orientation = gtk_print_settings_get_orientation(settings);
   landscape_ = orientation == GTK_PAGE_ORIENTATION_LANDSCAPE;
-  selection_only = print_selection_only;
 
+  gfx::Size physical_size_device_units;
+  gfx::Rect printable_area_device_units;
   dpi_ = gtk_print_settings_get_resolution(settings);
-
-  // Initialize page_setup_device_units_.
-  gfx::Size physical_size_device_units(
-      gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH) * dpi_,
-      gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH) * dpi_);
-  gfx::Rect printable_area_device_units(
-      gtk_page_setup_get_left_margin(page_setup, GTK_UNIT_INCH) * dpi_,
-      gtk_page_setup_get_top_margin(page_setup, GTK_UNIT_INCH) * dpi_,
-      gtk_page_setup_get_page_width(page_setup, GTK_UNIT_INCH) * dpi_,
-      gtk_page_setup_get_page_height(page_setup, GTK_UNIT_INCH) * dpi_);
-
+  if (dpi_) {
+    // Initialize page_setup_device_units_.
+    physical_size_device_units.SetSize(
+        gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH) * dpi_,
+        gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH) * dpi_);
+    printable_area_device_units.SetRect(
+        gtk_page_setup_get_left_margin(page_setup, GTK_UNIT_INCH) * dpi_,
+        gtk_page_setup_get_top_margin(page_setup, GTK_UNIT_INCH) * dpi_,
+        gtk_page_setup_get_page_width(page_setup, GTK_UNIT_INCH) * dpi_,
+        gtk_page_setup_get_page_height(page_setup, GTK_UNIT_INCH) * dpi_);
+  } else {
+    // Use dummy values if we cannot get valid values.
+    // TODO(jhawkins) Remove this hack when the Linux printing refactoring
+    // finishes.
+    dpi_ = kPixelsPerInch;
+    double page_width_in_pixel = 8.5 * dpi_;
+    double page_height_in_pixel = 11.0 * dpi_;
+    physical_size_device_units.SetSize(
+      static_cast<int>(page_width_in_pixel),
+      static_cast<int>(page_height_in_pixel));
+    printable_area_device_units.SetRect(
+      static_cast<int>(
+          NativeMetafile::kLeftMarginInInch * printing::kPixelsPerInch),
+      static_cast<int>(
+          NativeMetafile::kTopMarginInInch * printing::kPixelsPerInch),
+      page_width_in_pixel,
+      page_height_in_pixel);
+  }
   SetPrinterPrintableArea(physical_size_device_units,
                           printable_area_device_units,
                           dpi_);
diff --git a/printing/print_settings.h b/printing/print_settings.h
index 8cde1ca..a7fe73c 100644
--- a/printing/print_settings.h
+++ b/printing/print_settings.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -14,10 +14,13 @@
 #import <ApplicationServices/ApplicationServices.h>
 #endif
 
+#if defined(OS_WIN)
 typedef struct HDC__* HDC;
 typedef struct _devicemodeW DEVMODE;
+#elif defined(USE_X11)
 typedef struct _GtkPrintSettings GtkPrintSettings;
 typedef struct _GtkPageSetup GtkPageSetup;
+#endif
 
 namespace printing {
 
@@ -30,7 +33,7 @@ class PrintSettings {
   // Reinitialize the settings to the default values.
   void Clear();
 
-#ifdef WIN32
+#if defined(OS_WIN)
   // Reads the settings from the selected device context. Calculates derived
   // values like printable_area_.
   void Init(HDC hdc,
@@ -42,7 +45,7 @@ class PrintSettings {
   // Reads the settings from the given PMPrinter and PMPageFormat.
   void Init(PMPrinter printer, PMPageFormat page_format,
             const PageRanges& new_ranges, bool print_selection_only);
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
   // Initializes the settings from the given GtkPrintSettings and GtkPageSetup.
   // TODO(jhawkins): This method is a mess across the platforms. Refactor.
   void Init(GtkPrintSettings* settings,