49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
// Copyright (c) 2024 Microsoft, GmbH.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef ELECTRON_SHELL_BROWSER_PRINTING_PRINTING_UTILS_H_
|
|
#define ELECTRON_SHELL_BROWSER_PRINTING_PRINTING_UTILS_H_
|
|
|
|
#include <string>
|
|
|
|
#include "base/memory/scoped_refptr.h"
|
|
#include "base/task/task_runner.h"
|
|
|
|
namespace gfx {
|
|
class Size;
|
|
}
|
|
|
|
namespace content {
|
|
class RenderFrameHost;
|
|
class WebContents;
|
|
} // namespace content
|
|
|
|
namespace electron {
|
|
|
|
// This function returns the per-platform default printer's DPI.
|
|
gfx::Size GetDefaultPrinterDPI(const std::u16string& device_name);
|
|
|
|
// This will return false if no printer with the provided device_name can be
|
|
// found on the network. We need to check this because Chromium does not do
|
|
// sanity checking of device_name validity and so will crash on invalid names.
|
|
bool IsDeviceNameValid(const std::u16string& device_name);
|
|
|
|
content::RenderFrameHost* GetRenderFrameHostToUse(
|
|
content::WebContents* contents);
|
|
|
|
// This function returns a validated device name.
|
|
// If the user passed one to webContents.print(), we check that it's valid and
|
|
// return it or fail if the network doesn't recognize it. If the user didn't
|
|
// pass a device name, we first try to return the system default printer. If one
|
|
// isn't set, then pull all the printers and use the first one or fail if none
|
|
// exist.
|
|
std::pair<std::string, std::u16string> GetDeviceNameToUse(
|
|
const std::u16string& device_name);
|
|
|
|
// This function creates a task runner for use with printing tasks.
|
|
scoped_refptr<base::TaskRunner> CreatePrinterHandlerTaskRunner();
|
|
|
|
} // namespace electron
|
|
|
|
#endif // ELECTRON_SHELL_BROWSER_PRINTING_PRINTING_UTILS_H_
|