gecko-dev/widget/cocoa/nsPrintSettingsX.h

110 строки
4.4 KiB
Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsPrintSettingsX_h_
#define nsPrintSettingsX_h_
#include "nsPrintSettingsImpl.h"
#import <Cocoa/Cocoa.h>
// clang-format off
#define NS_PRINTSETTINGSX_IID \
{ \
0x0DF2FDBD, 0x906D, 0x4726, { \
0x9E, 0x4D, 0xCF, 0xE0, 0x87, 0x8D, 0x70, 0x7C \
} \
}
// clang-format on
class nsPrintSettingsX : public nsPrintSettings {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_PRINTSETTINGSX_IID)
NS_DECL_ISUPPORTS_INHERITED
nsPrintSettingsX();
explicit nsPrintSettingsX(const PrintSettingsInitializer& aSettings);
nsresult Init() { return NS_OK; }
nsresult ReadPageFormatFromPrefs();
nsresult WritePageFormatToPrefs();
void SetDestination(uint16_t aDestination) { mDestination = aDestination; }
void GetDestination(uint16_t* aDestination) { *aDestination = mDestination; }
void SetDisposition(const nsString& aDisposition) { mDisposition = aDisposition; }
void GetDisposition(nsString& aDisposition) { aDisposition = mDisposition; }
// Get a Cocoa NSPrintInfo that is configured with our current settings.
// This follows Create semantics, so the caller is responsible to release
// the returned object when no longer required.
//
// Pass true for aWithScaling to have the print scaling factor included in
// the returned printInfo. Normally we pass false, as scaling is handled
// by Gecko and we don't want the Cocoa print system to impose scaling again
// on the output, but if we're retrieving the info in order to populate the
// system print UI, then we do want to know about it.
NSPrintInfo* CreateOrCopyPrintInfo(bool aWithScaling = false);
// Update our internal settings to reflect the properties of the given
// NSPrintInfo.
//
// If aAdoptPrintInfo is set, the given NSPrintInfo will be retained and
// returned by subsequent CreateOrCopyPrintInfo calls, which is required
// for custom settings from the OS print dialog to be passed through to
// print jobs. However, this means that subsequent changes to print settings
// via the generic nsPrintSettings methods will NOT be reflected in the
// resulting NSPrintInfo.
void SetFromPrintInfo(NSPrintInfo* aPrintInfo, bool aAdoptPrintInfo);
protected:
virtual ~nsPrintSettingsX() {
if (mSystemPrintInfo) {
[mSystemPrintInfo release];
}
};
nsPrintSettingsX& operator=(const nsPrintSettingsX& rhs);
nsresult _Clone(nsIPrintSettings** _retval) override;
nsresult _Assign(nsIPrintSettings* aPS) override;
void SetPMPageFormat(PMPageFormat aPageFormat);
// Set the paper size and margins from the given NSPrintInfo.
void SetPageFormatFromPrintInfo(const NSPrintInfo* aPrintInfo);
int GetCocoaUnit(int16_t aGeckoUnit);
double PaperSizeFromCocoaPoints(double aPointsValue) {
return aPointsValue * (mPaperSizeUnit == kPaperSizeInches ? 1.0 / 72.0 : 25.4 / 72.0);
}
double CocoaPointsFromPaperSize(double aSizeUnitValue) {
return aSizeUnitValue * (mPaperSizeUnit == kPaperSizeInches ? 72.0 : 72.0 / 25.4);
}
// Needed to correctly track the various job dispositions (spool, preview,
// save to file) that the user can choose via the system print dialog.
// Unfortunately it seems to be necessary to set both the Cocoa "job
// disposition" and the PrintManager "destination type" in order for all the
// various workflows such as "Save to Web Receipts" to work.
nsString mDisposition;
uint16_t mDestination;
// If the user has used the system print UI, we retain a reference to its
// printInfo because it may contain settings that we don't know how to handle
// and that will be lost if we round-trip through nsPrintSettings fields.
// We'll use this printInfo if asked to run a print job.
//
// This "wrapped" printInfo is NOT serialized or copied when printSettings
// objects are passed around; it is used only by the settings object to which
// it was originally passed.
NSPrintInfo* mSystemPrintInfo = nullptr;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsPrintSettingsX, NS_PRINTSETTINGSX_IID)
#endif // nsPrintSettingsX_h_