| // 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 "printing/printing_context_win.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/bind.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/win/scoped_handle.h" |
| #include "base/win/scoped_hdc.h" |
| #include "printing/backend/printing_info_win.h" |
| #include "printing/backend/win_helper.h" |
| #include "printing/print_settings.h" |
| #include "printing/printing_context_system_dialog_win.h" |
| #include "printing/printing_test.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 PrintingContext::Delegate { |
| public: |
| void PrintSettingsCallback(PrintingContext::Result result) { |
| result_ = result; |
| } |
| |
| // PrintingContext::Delegate methods. |
| gfx::NativeView GetParentView() override { return nullptr; } |
| std::string GetAppLocale() override { return std::string(); } |
| |
| protected: |
| PrintingContext::Result result() const { return result_; } |
| |
| private: |
| PrintingContext::Result result_; |
| }; |
| |
| namespace { |
| |
| struct FreeHandleTraits { |
| typedef HANDLE Handle; |
| static void CloseHandle(HANDLE handle) { GlobalFree(handle); } |
| static bool IsHandleValid(HANDLE handle) { return handle != nullptr; } |
| static HANDLE NullHandle() { return nullptr; } |
| }; |
| |
| using ScopedGlobalAlloc = |
| base::win::GenericScopedHandle<FreeHandleTraits, |
| base::win::DummyVerifierTraits>; |
| |
| } // namespace |
| |
| class MockPrintingContextWin : public PrintingContextSystemDialogWin { |
| public: |
| explicit MockPrintingContextWin(Delegate* delegate) |
| : PrintingContextSystemDialogWin(delegate) {} |
| |
| 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; |
| |
| const DEVMODE* dev_mode = nullptr; |
| lppd->hDC = nullptr; |
| lppd->hDevMode = nullptr; |
| lppd->hDevNames = nullptr; |
| |
| PrinterInfo2 info_2; |
| if (info_2.Init(printer.Get())) |
| dev_mode = info_2.get()->pDevMode; |
| if (!dev_mode) |
| return E_FAIL; |
| |
| base::win::ScopedCreateDC hdc( |
| CreateDC(L"WINSPOOL", printer_name.c_str(), nullptr, dev_mode)); |
| if (!hdc.Get()) |
| return E_FAIL; |
| |
| size_t dev_mode_size = dev_mode->dmSize + dev_mode->dmDriverExtra; |
| ScopedGlobalAlloc dev_mode_mem(GlobalAlloc(GMEM_MOVEABLE, dev_mode_size)); |
| if (!dev_mode_mem.Get()) |
| return E_FAIL; |
| void* dev_mode_ptr = GlobalLock(dev_mode_mem.Get()); |
| if (!dev_mode_ptr) |
| return E_FAIL; |
| memcpy(dev_mode_ptr, dev_mode, dev_mode_size); |
| GlobalUnlock(dev_mode_mem.Get()); |
| dev_mode_ptr = nullptr; |
| |
| 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; |
| ScopedGlobalAlloc dev_names_mem(GlobalAlloc(GHND, dev_names_size)); |
| if (!dev_names_mem.Get()) |
| return E_FAIL; |
| void* dev_names_ptr = GlobalLock(dev_names_mem.Get()); |
| if (!dev_names_ptr) |
| return E_FAIL; |
| 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_t*>(dev_names_ptr) + dev_names->wDriverOffset, |
| info_2.get()->pDriverName, driver_size); |
| dev_names->wDeviceOffset = base::checked_cast<WORD>( |
| dev_names->wDriverOffset + driver_size / sizeof(wchar_t)); |
| memcpy(reinterpret_cast<uint8_t*>(dev_names_ptr) + dev_names->wDeviceOffset, |
| info_2.get()->pPrinterName, printer_size); |
| dev_names->wOutputOffset = base::checked_cast<WORD>( |
| dev_names->wDeviceOffset + printer_size / sizeof(wchar_t)); |
| memcpy(reinterpret_cast<uint8_t*>(dev_names_ptr) + dev_names->wOutputOffset, |
| info_2.get()->pPortName, port_size); |
| GlobalUnlock(dev_names_mem.Get()); |
| dev_names_ptr = nullptr; |
| |
| lppd->hDC = hdc.Take(); |
| lppd->hDevMode = dev_mode_mem.Take(); |
| lppd->hDevNames = dev_names_mem.Take(); |
| return S_OK; |
| } |
| }; |
| |
| TEST_F(PrintingContextTest, PrintAll) { |
| base::MessageLoop message_loop; |
| if (IsTestCaseDisabled()) |
| return; |
| |
| MockPrintingContextWin context(this); |
| context.AskUserForSettings( |
| 123, |
| false, |
| false, |
| base::Bind(&PrintingContextTest::PrintSettingsCallback, |
| base::Unretained(this))); |
| EXPECT_EQ(PrintingContext::OK, result()); |
| PrintSettings settings = context.settings(); |
| EXPECT_EQ(0u, settings.ranges().size()); |
| } |
| |
| TEST_F(PrintingContextTest, Base) { |
| if (IsTestCaseDisabled()) |
| return; |
| |
| PrintSettings settings; |
| settings.set_device_name(GetDefaultPrinter()); |
| // Initialize it. |
| PrintingContextWin context(this); |
| EXPECT_EQ(PrintingContext::OK, context.InitWithSettingsForTest(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(), nullptr, MWT_IDENTITY)); |
| } |
| |
| } // namespace printing |