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// Copyright (c) 2009 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/file_util.h"
#include "base/logging.h"
#include "base/shared_memory.h"
#include "chrome/common/render_messages.h"
#include "ipc/ipc_message_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
MockPrinter::MockPrinter()
: printable_width_(0),
printable_height_(0),
dpi_(72),
max_shrink_(2.0),
min_shrink_(1.25),
desired_dpi_(72),
selection_only_(false),
document_cookie_(-1),
current_document_cookie_(0),
printer_status_(PRINTER_READY),
number_pages_(0),
page_number_(0) {
printable_width_ = static_cast<int>(dpi_ * 8.5);
printable_height_ = static_cast<int>(dpi_ * 11.0);
}
MockPrinter::~MockPrinter() {
}
void MockPrinter::ResetPrinter() {
printer_status_ = PRINTER_READY;
document_cookie_ = -1;
}
void MockPrinter::GetDefaultPrintSettings(ViewMsg_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(ViewMsg_Print_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->printable_size.set_width(printable_width_);
params->printable_size.set_height(printable_height_);
}
void MockPrinter::SetDefaultPrintSettings(const ViewMsg_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;
printable_width_ = params.printable_size.width();
printable_height_ = params.printable_size.height();
}
void MockPrinter::ScriptedPrint(int cookie,
int expected_pages_count,
bool has_selection,
ViewMsg_PrintPages_Params* settings) {
// Verify the input parameters.
EXPECT_EQ(document_cookie_, cookie);
memset(settings, 0, sizeof(ViewMsg_PrintPages_Params));
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.printable_size.set_width(printable_width_);
settings->params.printable_size.set_height(printable_height_);
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_);
EXPECT_EQ(0, page_number_);
// Initialize the job status.
number_pages_ = number_pages;
page_number_ = 0;
pages_.clear();
}
void MockPrinter::PrintPage(const ViewHostMsg_DidPrintPage_Params& params) {
// Verify the input parameter and update the printer status so that the
// RenderViewTest class can verify the this function finishes without errors.
EXPECT_EQ(PRINTER_PRINTING, printer_status_);
EXPECT_EQ(document_cookie_, params.document_cookie);
EXPECT_EQ(page_number_, params.page_number);
EXPECT_LE(params.page_number, number_pages_);
#if defined(OS_WIN) || defined(OS_MACOSX)
// Load the data sent from a RenderView object and create a PageData object.
// We duplicate the given file handle when creating a base::SharedMemory
// instance so that its destructor closes the copy.
EXPECT_GT(params.data_size, 0U);
#if defined(OS_WIN)
base::SharedMemory metafile_data(params.metafile_data_handle, true,
GetCurrentProcess());
#elif defined(OS_MACOSX)
base::SharedMemory metafile_data(params.metafile_data_handle, true);
#endif
metafile_data.Map(params.data_size);
printing::NativeMetafile metafile;
metafile.CreateFromData(metafile_data.memory(), params.data_size);
printing::Image image(metafile);
MockPrinterPage* page_data = new MockPrinterPage(metafile_data.memory(),
params.data_size,
image);
if (!page_data) {
printer_status_ = PRINTER_ERROR;
return;
}
scoped_refptr<MockPrinterPage> page(page_data);
pages_.push_back(page);
#endif
// We finish printing a printing job.
// Reset the job status and the printer status.
++page_number_;
if (number_pages_ == page_number_)
ResetPrinter();
}
int MockPrinter::GetPrintedPages() const {
if (printer_status_ != PRINTER_READY)
return -1;
return page_number_;
}
const MockPrinterPage* MockPrinter::GetPrintedPage(size_t pageno) const {
if (pages_.size() > pageno)
return pages_[pageno];
else
return NULL;
}
int MockPrinter::GetWidth(size_t page) const {
if (printer_status_ != PRINTER_READY || page >= pages_.size())
return -1;
return pages_[page]->width();
}
int MockPrinter::GetHeight(size_t page) const {
if (printer_status_ != PRINTER_READY || page >= pages_.size())
return -1;
return pages_[page]->height();
}
bool MockPrinter::GetBitmapChecksum(size_t page, std::string* checksum) const {
if (printer_status_ != PRINTER_READY || page >= pages_.size())
return false;
*checksum = pages_[page]->image().checksum();
return true;
}
bool MockPrinter::SaveSource(size_t page, const FilePath& filepath) const {
if (printer_status_ != PRINTER_READY || page >= pages_.size())
return false;
const uint8* source_data = pages_[page]->source_data();
size_t source_size = pages_[page]->source_size();
file_util::WriteFile(filepath, reinterpret_cast<const char*>(source_data),
source_size);
return true;
}
bool MockPrinter::SaveBitmap(size_t page, const FilePath& filepath) const {
if (printer_status_ != PRINTER_READY || page >= pages_.size())
return false;
pages_[page]->image().SaveToPng(filepath);
return true;
}
int MockPrinter::CreateDocumentCookie() {
return ++current_document_cookie_;
}
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