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// Copyright 2014 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_linux.h"
#include "base/logging.h"
#include "base/values.h"
#include "printing/metafile.h"
#include "printing/print_dialog_gtk_interface.h"
#include "printing/print_job_constants.h"
#include "printing/units.h"
namespace {
// Function pointer for creating print dialogs. |callback| is only used when
// |show_dialog| is true.
printing::PrintDialogGtkInterface* (*create_dialog_func_)(
printing::PrintingContextLinux* context) = NULL;
// Function pointer for determining paper size.
gfx::Size (*get_pdf_paper_size_)(
printing::PrintingContextLinux* context) = NULL;
} // namespace
namespace printing {
// static
scoped_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) {
return make_scoped_ptr<PrintingContext>(new PrintingContextLinux(delegate));
}
PrintingContextLinux::PrintingContextLinux(Delegate* delegate)
: PrintingContext(delegate), print_dialog_(NULL) {
}
PrintingContextLinux::~PrintingContextLinux() {
ReleaseContext();
if (print_dialog_)
print_dialog_->ReleaseDialog();
}
// static
void PrintingContextLinux::SetCreatePrintDialogFunction(
PrintDialogGtkInterface* (*create_dialog_func)(
PrintingContextLinux* context)) {
DCHECK(create_dialog_func);
DCHECK(!create_dialog_func_);
create_dialog_func_ = create_dialog_func;
}
// static
void PrintingContextLinux::SetPdfPaperSizeFunction(
gfx::Size (*get_pdf_paper_size)(PrintingContextLinux* context)) {
DCHECK(get_pdf_paper_size);
DCHECK(!get_pdf_paper_size_);
get_pdf_paper_size_ = get_pdf_paper_size;
}
void PrintingContextLinux::PrintDocument(const MetafilePlayer& metafile) {
DCHECK(print_dialog_);
print_dialog_->PrintDocument(metafile, document_name_);
}
void PrintingContextLinux::AskUserForSettings(
int max_pages,
bool has_selection,
bool is_scripted,
const PrintSettingsCallback& callback) {
if (!print_dialog_) {
// Can only get here if the renderer is sending bad messages.
// http://crbug.com/341777
NOTREACHED();
callback.Run(FAILED);
return;
}
print_dialog_->ShowDialog(
delegate_->GetParentView(), has_selection, callback);
}
PrintingContext::Result PrintingContextLinux::UseDefaultSettings() {
DCHECK(!in_print_job_);
ResetSettings();
if (!create_dialog_func_)
return OK;
if (!print_dialog_) {
print_dialog_ = create_dialog_func_(this);
print_dialog_->AddRefToDialog();
}
print_dialog_->UseDefaultSettings();
return OK;
}
gfx::Size PrintingContextLinux::GetPdfPaperSizeDeviceUnits() {
if (get_pdf_paper_size_)
return get_pdf_paper_size_(this);
return gfx::Size();
}
PrintingContext::Result PrintingContextLinux::UpdatePrinterSettings(
bool external_preview,
bool show_system_dialog) {
DCHECK(!show_system_dialog);
DCHECK(!in_print_job_);
DCHECK(!external_preview) << "Not implemented";
if (!create_dialog_func_)
return OK;
if (!print_dialog_) {
print_dialog_ = create_dialog_func_(this);
print_dialog_->AddRefToDialog();
}
if (!print_dialog_->UpdateSettings(&settings_))
return OnError();
return OK;
}
PrintingContext::Result PrintingContextLinux::InitWithSettings(
const PrintSettings& settings) {
DCHECK(!in_print_job_);
settings_ = settings;
return OK;
}
PrintingContext::Result PrintingContextLinux::NewDocument(
const base::string16& document_name) {
DCHECK(!in_print_job_);
in_print_job_ = true;
document_name_ = document_name;
return OK;
}
PrintingContext::Result PrintingContextLinux::NewPage() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
// Intentional No-op.
return OK;
}
PrintingContext::Result PrintingContextLinux::PageDone() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
// Intentional No-op.
return OK;
}
PrintingContext::Result PrintingContextLinux::DocumentDone() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
ResetSettings();
return OK;
}
void PrintingContextLinux::Cancel() {
abort_printing_ = true;
in_print_job_ = false;
}
void PrintingContextLinux::ReleaseContext() {
// Intentional No-op.
}
gfx::NativeDrawingContext PrintingContextLinux::context() const {
// Intentional No-op.
return NULL;
}
} // namespace printing
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