Added Header and Footer support using Skia

chrome/renderer/mock_printer.cc

 // Copyright (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 "chrome/renderer/mock_printer.h"
 
+#include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/shared_memory.h"
+#include "base/string16.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/common/print_messages.h"
 #include "ipc/ipc_message_utils.h"
 #include "printing/metafile_impl.h"
 #include "printing/units.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+PrintMsg_Print_Params_Clone::PrintMsg_Print_Params_Clone()
+  : page_size_(),
+    printable_size_(),
+    margin_top_(0),
+    margin_left_(0),
+    dpi_(0),
+    min_shrink_(0),
+    max_shrink_(0),
+    desired_dpi_(0),
+    document_cookie_(0),
+    selection_only_(0),
+    supports_alpha_blend_(0),
+    preview_request_id_(0),
+    is_first_request_(0),
+    display_header_footer_(0),
+    date_(),
+    title_(),
+    url_() {
+}
+
+PrintMsg_Print_Params_Clone::~PrintMsg_Print_Params_Clone(){}
+
+void PrintMsg_Print_Params_Clone::ResetParams(PrintMsg_Print_Params* params) {
+  params->dpi = dpi_;
+  params->max_shrink = max_shrink_;
+  params->min_shrink = min_shrink_;
+  params->desired_dpi = desired_dpi_;
+  params->selection_only = selection_only_;
+  params->document_cookie = document_cookie_;
+  params->page_size = page_size_;
+  params->printable_size = printable_size_;
+  params->margin_left = margin_left_;
+  params->margin_top = margin_top_;
+  params->is_first_request = is_first_request_;
+  params->preview_request_id = preview_request_id_;
+  params->display_header_footer = display_header_footer_;
+  params->date = date_;
+  params->title = title_;
+  params->url = url_;
+
+  COMPILE_ASSERT(sizeof(PrintMsg_Print_Params_Clone) ==
+                     sizeof(PrintMsg_Print_Params),
+                 PrintMsg_Print_Params);
+}
+
+PrintMsg_PrintPages_Params_Clone::PrintMsg_PrintPages_Params_Clone()
+  : pages_(0) {
+}
+
+PrintMsg_PrintPages_Params_Clone::~PrintMsg_PrintPages_Params_Clone(){}
+
+void PrintMsg_PrintPages_Params_Clone::ResetParams(
+    PrintMsg_PrintPages_Params* params) {
+  params_.ResetParams(&params->params);
+  if (params->pages.size() != 0)
+    params->pages.clear();

[kmadhusu, 2011/08/16 21:00:28]

Sorry for the false alarm.. It looks like memset() was the main reason for the
crash which I was talking about. Since you have removed the memset, It should be
safe to assign "pages" to "params->pages". Please revert this change. 

[Aayush Kumar, 2011/08/16 22:33:18]

Done.

+
+  COMPILE_ASSERT(sizeof(PrintMsg_PrintPages_Params_Clone) ==
+                     sizeof(PrintMsg_PrintPages_Params_Clone),
+                 PrintMsg_PrintPages_Params);
+}
+
 MockPrinterPage::MockPrinterPage(const void* source_data,
                                  uint32 source_size,
                                  const printing::Image& image)
     : source_size_(source_size),
       image_(image) {
   // Create copies of the source data
   source_data_.reset(new uint8[source_size]);
   if (source_data_.get())
     memcpy(source_data_.get(), source_data, source_size);
 }
 
 MockPrinterPage::~MockPrinterPage() {}
 
 MockPrinter::MockPrinter()
   : dpi_(printing::kPointsPerInch),
     max_shrink_(2.0),
     min_shrink_(1.25),
     desired_dpi_(printing::kPointsPerInch),
     selection_only_(false),
     document_cookie_(-1),
     current_document_cookie_(0),
     printer_status_(PRINTER_READY),
     number_pages_(0),
     page_number_(0),
     is_first_request_(true),
-    preview_request_id_(0) {
+    preview_request_id_(0),
+    display_header_footer_(false),
+    date_(ASCIIToUTF16("date")),
+    title_(ASCIIToUTF16("title")),
+    url_(ASCIIToUTF16("url")) {
   page_size_.SetSize(static_cast<int>(8.5 * dpi_),
                      static_cast<int>(11.0 * dpi_));
   printable_size_.SetSize(static_cast<int>((7.5 * dpi_)),
                           static_cast<int>((10.0 * dpi_)));
   margin_left_ = margin_top_ = static_cast<int>(0.5 * dpi_);
 }
 
 MockPrinter::~MockPrinter() {
 }
 
 void MockPrinter::ResetPrinter() {
   printer_status_ = PRINTER_READY;
   document_cookie_ = -1;
 }
 
 void MockPrinter::GetDefaultPrintSettings(PrintMsg_Print_Params* params) {
   // Verify this printer is not processing a job.
   // Sorry, this mock printer is very fragile.
   EXPECT_EQ(-1, document_cookie_);
 
   // Assign a unit document cookie and set the print settings.
   document_cookie_ = CreateDocumentCookie();
-  memset(params, 0, sizeof(PrintMsg_Print_Params));
+  PrintMsg_Print_Params_Clone params_clone;
+  params_clone.ResetParams(params);
   SetPrintParams(params);
 }
 
 void MockPrinter::SetDefaultPrintSettings(const PrintMsg_Print_Params& params) {
   dpi_ = params.dpi;
   max_shrink_ = params.max_shrink;
   min_shrink_ = params.min_shrink;
   desired_dpi_ = params.desired_dpi;
   selection_only_ = params.selection_only;
   page_size_ = params.page_size;
   printable_size_ = params.printable_size;
   margin_left_ = params.margin_left;
   margin_top_ = params.margin_top;
+  display_header_footer_ = params.display_header_footer;
+  date_ = params.date;
+  title_ = params.title;
+  url_ = params.url;
 }
 
 void MockPrinter::ScriptedPrint(int cookie,
                                 int expected_pages_count,
                                 bool has_selection,
                                 PrintMsg_PrintPages_Params* settings) {
   // Verify the input parameters.
   EXPECT_EQ(document_cookie_, cookie);
 
-  memset(settings, 0, sizeof(PrintMsg_PrintPages_Params));
+  PrintMsg_PrintPages_Params_Clone params_clone;
+  params_clone.ResetParams(settings);
+
   settings->params.dpi = dpi_;
   settings->params.max_shrink = max_shrink_;
   settings->params.min_shrink = min_shrink_;
   settings->params.desired_dpi = desired_dpi_;
   settings->params.selection_only = selection_only_;
   settings->params.document_cookie = document_cookie_;
   settings->params.page_size = page_size_;
   settings->params.printable_size = printable_size_;
   settings->params.is_first_request = is_first_request_;
   settings->params.preview_request_id = preview_request_id_;
+  settings->params.display_header_footer = display_header_footer_;
+  settings->params.date = date_;
+  settings->params.title = title_;
+  settings->params.url = url_;
   printer_status_ = PRINTER_PRINTING;
 }
 
 void MockPrinter::UpdateSettings(int cookie,
                                  PrintMsg_PrintPages_Params* params) {
   EXPECT_EQ(document_cookie_, cookie);
 
-  memset(params, 0, sizeof(PrintMsg_PrintPages_Params));
+  PrintMsg_PrintPages_Params_Clone params_clone;
+  params_clone.ResetParams(params);
   SetPrintParams(&(params->params));
   printer_status_ = PRINTER_PRINTING;
 }
 
 void MockPrinter::SetPrintedPagesCount(int cookie, int number_pages) {
   // Verify the input parameter and update the printer status so that the
   // RenderViewTest class can verify the this function finishes without errors.
   EXPECT_EQ(document_cookie_, cookie);
   EXPECT_EQ(PRINTER_PRINTING, printer_status_);
   EXPECT_EQ(0, number_pages_);
@@ skipping 114 matching lines @@
   params->min_shrink = min_shrink_;
   params->desired_dpi = desired_dpi_;
   params->selection_only = selection_only_;
   params->document_cookie = document_cookie_;
   params->page_size = page_size_;
   params->printable_size = printable_size_;
   params->margin_left = margin_left_;
   params->margin_top = margin_top_;
   params->is_first_request = is_first_request_;
   params->preview_request_id = preview_request_id_;
+  params->display_header_footer = display_header_footer_;
+  params->date = date_;
+  params->title = title_;
+  params->url = url_;
 }