| // 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 <ocidl.h> |
| #include <commdlg.h> |
| |
| #include <string> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/message_loop/message_loop.h" |
| #include "printing/backend/printing_info_win.h" |
| #include "printing/backend/win_helper.h" |
| #include "printing/printing_test.h" |
| #include "printing/printing_context.h" |
| #include "printing/printing_context_win.h" |
| #include "printing/print_settings.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace printing { |
| |
| // This test is automatically disabled if no printer is available. |
| class PrintingContextTest : public PrintingTest<testing::Test> { |
| public: |
| void PrintSettingsCallback(PrintingContext::Result result) { |
| result_ = result; |
| } |
| |
| protected: |
| PrintingContext::Result result() const { return result_; } |
| |
| private: |
| PrintingContext::Result result_; |
| }; |
| |
| class MockPrintingContextWin : public PrintingContextWin { |
| public: |
| MockPrintingContextWin() : PrintingContextWin("") {} |
| |
| protected: |
| // This is a fake PrintDlgEx implementation that sets the right fields in |
| // |lppd| to trigger a bug in older revisions of PrintingContext. |
| HRESULT ShowPrintDialog(PRINTDLGEX* lppd) OVERRIDE { |
| // The interesting bits: |
| // Pretend the user hit print |
| lppd->dwResultAction = PD_RESULT_PRINT; |
| |
| // Pretend the page range is 1-5, but since lppd->Flags does not have |
| // PD_SELECTION set, this really shouldn't matter. |
| lppd->nPageRanges = 1; |
| lppd->lpPageRanges[0].nFromPage = 1; |
| lppd->lpPageRanges[0].nToPage = 5; |
| |
| base::string16 printer_name = PrintingContextTest::GetDefaultPrinter(); |
| ScopedPrinterHandle printer; |
| if (!printer.OpenPrinter(printer_name.c_str())) |
| return E_FAIL; |
| |
| scoped_ptr<uint8[]> buffer; |
| const DEVMODE* dev_mode = NULL; |
| HRESULT result = S_OK; |
| lppd->hDC = NULL; |
| lppd->hDevMode = NULL; |
| lppd->hDevNames = NULL; |
| |
| PrinterInfo2 info_2; |
| if (info_2.Init(printer)) { |
| dev_mode = info_2.get()->pDevMode; |
| } |
| if (!dev_mode) { |
| result = E_FAIL; |
| goto Cleanup; |
| } |
| |
| if (!PrintingContextWin::AllocateContext( |
| printer_name, dev_mode, &lppd->hDC)) { |
| result = E_FAIL; |
| goto Cleanup; |
| } |
| |
| size_t dev_mode_size = dev_mode->dmSize + dev_mode->dmDriverExtra; |
| lppd->hDevMode = GlobalAlloc(GMEM_MOVEABLE, dev_mode_size); |
| if (!lppd->hDevMode) { |
| result = E_FAIL; |
| goto Cleanup; |
| } |
| void* dev_mode_ptr = GlobalLock(lppd->hDevMode); |
| if (!dev_mode_ptr) { |
| result = E_FAIL; |
| goto Cleanup; |
| } |
| memcpy(dev_mode_ptr, dev_mode, dev_mode_size); |
| GlobalUnlock(lppd->hDevMode); |
| dev_mode_ptr = NULL; |
| |
| size_t driver_size = |
| 2 + sizeof(wchar_t) * lstrlen(info_2.get()->pDriverName); |
| size_t printer_size = |
| 2 + sizeof(wchar_t) * lstrlen(info_2.get()->pPrinterName); |
| size_t port_size = 2 + sizeof(wchar_t) * lstrlen(info_2.get()->pPortName); |
| size_t dev_names_size = |
| sizeof(DEVNAMES) + driver_size + printer_size + port_size; |
| lppd->hDevNames = GlobalAlloc(GHND, dev_names_size); |
| if (!lppd->hDevNames) { |
| result = E_FAIL; |
| goto Cleanup; |
| } |
| void* dev_names_ptr = GlobalLock(lppd->hDevNames); |
| if (!dev_names_ptr) { |
| result = E_FAIL; |
| goto Cleanup; |
| } |
| DEVNAMES* dev_names = reinterpret_cast<DEVNAMES*>(dev_names_ptr); |
| dev_names->wDefault = 1; |
| dev_names->wDriverOffset = sizeof(DEVNAMES) / sizeof(wchar_t); |
| memcpy(reinterpret_cast<uint8*>(dev_names_ptr) + dev_names->wDriverOffset, |
| info_2.get()->pDriverName, |
| driver_size); |
| dev_names->wDeviceOffset = |
| dev_names->wDriverOffset + driver_size / sizeof(wchar_t); |
| memcpy(reinterpret_cast<uint8*>(dev_names_ptr) + dev_names->wDeviceOffset, |
| info_2.get()->pPrinterName, |
| printer_size); |
| dev_names->wOutputOffset = |
| dev_names->wDeviceOffset + printer_size / sizeof(wchar_t); |
| memcpy(reinterpret_cast<uint8*>(dev_names_ptr) + dev_names->wOutputOffset, |
| info_2.get()->pPortName, |
| port_size); |
| GlobalUnlock(lppd->hDevNames); |
| dev_names_ptr = NULL; |
| |
| Cleanup: |
| // Note: This section does proper deallocation/free of DC/global handles. We |
| // did not use ScopedHGlobal or ScopedHandle because they did not |
| // perform what we need. Goto's are used based on Windows programming |
| // idiom, to avoid deeply nested if's, and try-catch-finally is not |
| // allowed in Chromium. |
| if (FAILED(result)) { |
| if (lppd->hDC) { |
| DeleteDC(lppd->hDC); |
| } |
| if (lppd->hDevMode) { |
| GlobalFree(lppd->hDevMode); |
| } |
| if (lppd->hDevNames) { |
| GlobalFree(lppd->hDevNames); |
| } |
| } |
| return result; |
| } |
| }; |
| |
| TEST_F(PrintingContextTest, Base) { |
| if (IsTestCaseDisabled()) |
| return; |
| |
| PrintSettings settings; |
| settings.set_device_name(GetDefaultPrinter()); |
| // Initialize it. |
| scoped_ptr<PrintingContext> context(PrintingContext::Create(std::string())); |
| EXPECT_EQ(PrintingContext::OK, context->InitWithSettings(settings)); |
| |
| // The print may lie to use and may not support world transformation. |
| // Verify right now. |
| XFORM random_matrix = { 1, 0.1f, 0, 1.5f, 0, 1 }; |
| EXPECT_TRUE(SetWorldTransform(context->context(), &random_matrix)); |
| EXPECT_TRUE(ModifyWorldTransform(context->context(), NULL, MWT_IDENTITY)); |
| } |
| |
| TEST_F(PrintingContextTest, PrintAll) { |
| base::MessageLoop message_loop; |
| if (IsTestCaseDisabled()) |
| return; |
| |
| MockPrintingContextWin context; |
| context.AskUserForSettings( |
| NULL, 123, false, base::Bind(&PrintingContextTest::PrintSettingsCallback, |
| base::Unretained(this))); |
| EXPECT_EQ(PrintingContext::OK, result()); |
| PrintSettings settings = context.settings(); |
| EXPECT_EQ(settings.ranges().size(), 0); |
| } |
| |
| } // namespace printing |