Added PrintingContext::Delegate to get parent view handle and application locale.

printing/emf_win_unittest.cc

 // 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 "printing/emf_win.h"
 
 // For quick access.
 #include <wingdi.h>
 #include <winspool.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/win/scoped_hdc.h"
 #include "printing/printing_context.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/size.h"
 
+namespace printing {
+
 namespace {
 
 // This test is automatically disabled if no printer named "UnitTest Printer" is
 // available.
-class EmfPrintingTest : public testing::Test {
+class EmfPrintingTest : public testing::Test, public PrintingContext::Delegate {
  public:
   typedef testing::Test Parent;
   static bool IsTestCaseDisabled() {
     // It is assumed this printer is a HP Color LaserJet 4550 PCL or 4700.
     HDC hdc = CreateDC(L"WINSPOOL", L"UnitTest Printer", NULL, NULL);
     if (!hdc)
       return true;
     DeleteDC(hdc);
     return false;
   }
+
+  // PrintingContext::Delegate methods.
+  virtual gfx::NativeView GetParentView() OVERRIDE { return NULL; }
+  virtual std::string GetAppLocale() OVERRIDE { return std::string(); }
 };
 
 const uint32 EMF_HEADER_SIZE = 128;
 
 }  // namespace
 
-namespace printing {
-
 TEST(EmfTest, DC) {
   // Simplest use case.
   uint32 size;
   std::vector<BYTE> data;
   {
     Emf emf;
     EXPECT_TRUE(emf.Init());
     EXPECT_TRUE(emf.context() != NULL);
     // An empty EMF is invalid, so we put at least a rectangle in it.
     ::Rectangle(emf.context(), 10, 10, 190, 190);
@@ skipping 18 matching lines @@
 TEST_F(EmfPrintingTest, Enumerate) {
   if (IsTestCaseDisabled())
     return;
 
   PrintSettings settings;
 
   // My test case is a HP Color LaserJet 4550 PCL.
   settings.set_device_name(L"UnitTest Printer");
 
   // Initialize it.
-  scoped_ptr<PrintingContext> context(PrintingContext::Create(std::string()));
+  scoped_ptr<PrintingContext> context(PrintingContext::Create(this));
   EXPECT_EQ(context->InitWithSettings(settings), PrintingContext::OK);
 
   base::FilePath emf_file;
   EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &emf_file));
   emf_file = emf_file.Append(FILE_PATH_LITERAL("printing"))
                      .Append(FILE_PATH_LITERAL("test"))
                      .Append(FILE_PATH_LITERAL("data"))
                      .Append(FILE_PATH_LITERAL("test4.emf"));
   // Load any EMF with an image.
   Emf emf;
@@ skipping 124 matching lines @@
   EXPECT_EQ(emf.GetPageBounds(1), raster->GetPageBounds(1));
 
   raster.reset(emf.RasterizeMetafile(16*1024*1024));
   // Expected size about 64MB.
   EXPECT_LE(abs(int(raster->GetDataSize()) - 64*1024*1024), 1024*1024);
   // Bounds should still be the same.
   EXPECT_EQ(emf.GetPageBounds(1), raster->GetPageBounds(1));
 }
 
 }  // namespace printing