gecko/widget/windows/nsPrintSettingsWin.cpp
Nathan Froyd 8ddefeed54 Bug 1142503 - don't use QueryInterface when the compiler can do the cast for us; r=ehsan
Calling QueryInterface with a statically known IID should typically not
be necessary.  In those cases where it's not, the compiler can do the
cast for us, though we have to supply the reference-counting that
QueryInterface would do.

In passing, several redundant null-checks for the result of |new T| have
been deleted.
2015-03-12 09:43:50 -04:00

239 lines
6.5 KiB
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/. */
#include "nsPrintSettingsWin.h"
#include "nsCRT.h"
NS_IMPL_ISUPPORTS_INHERITED(nsPrintSettingsWin,
nsPrintSettings,
nsIPrintSettingsWin)
/** ---------------------------------------------------
* See documentation in nsPrintSettingsWin.h
* @update
*/
nsPrintSettingsWin::nsPrintSettingsWin() :
nsPrintSettings(),
mDeviceName(nullptr),
mDriverName(nullptr),
mDevMode(nullptr)
{
}
/** ---------------------------------------------------
* See documentation in nsPrintSettingsWin.h
* @update
*/
nsPrintSettingsWin::nsPrintSettingsWin(const nsPrintSettingsWin& aPS) :
mDeviceName(nullptr),
mDriverName(nullptr),
mDevMode(nullptr)
{
*this = aPS;
}
/** ---------------------------------------------------
* See documentation in nsPrintSettingsWin.h
* @update
*/
nsPrintSettingsWin::~nsPrintSettingsWin()
{
if (mDeviceName) nsMemory::Free(mDeviceName);
if (mDriverName) nsMemory::Free(mDriverName);
if (mDevMode) ::HeapFree(::GetProcessHeap(), 0, mDevMode);
}
/* [noscript] attribute charPtr deviceName; */
NS_IMETHODIMP nsPrintSettingsWin::SetDeviceName(const char16_t * aDeviceName)
{
if (mDeviceName) {
nsMemory::Free(mDeviceName);
}
mDeviceName = aDeviceName?wcsdup(char16ptr_t(aDeviceName)):nullptr;
return NS_OK;
}
NS_IMETHODIMP nsPrintSettingsWin::GetDeviceName(char16_t **aDeviceName)
{
NS_ENSURE_ARG_POINTER(aDeviceName);
*aDeviceName = mDeviceName?reinterpret_cast<char16_t*>(wcsdup(mDeviceName)):nullptr;
return NS_OK;
}
/* [noscript] attribute charPtr driverName; */
NS_IMETHODIMP nsPrintSettingsWin::SetDriverName(const char16_t * aDriverName)
{
if (mDriverName) {
nsMemory::Free(mDriverName);
}
mDriverName = aDriverName?wcsdup(char16ptr_t(aDriverName)):nullptr;
return NS_OK;
}
NS_IMETHODIMP nsPrintSettingsWin::GetDriverName(char16_t **aDriverName)
{
NS_ENSURE_ARG_POINTER(aDriverName);
*aDriverName = mDriverName?reinterpret_cast<char16_t*>(wcsdup(mDriverName)):nullptr;
return NS_OK;
}
void nsPrintSettingsWin::CopyDevMode(DEVMODEW* aInDevMode, DEVMODEW *& aOutDevMode)
{
aOutDevMode = nullptr;
size_t size = aInDevMode->dmSize + aInDevMode->dmDriverExtra;
aOutDevMode = (LPDEVMODEW)::HeapAlloc (::GetProcessHeap(), HEAP_ZERO_MEMORY, size);
if (aOutDevMode) {
memcpy(aOutDevMode, aInDevMode, size);
}
}
/* [noscript] attribute nsDevMode devMode; */
NS_IMETHODIMP nsPrintSettingsWin::GetDevMode(DEVMODEW * *aDevMode)
{
NS_ENSURE_ARG_POINTER(aDevMode);
if (mDevMode) {
CopyDevMode(mDevMode, *aDevMode);
} else {
*aDevMode = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP nsPrintSettingsWin::SetDevMode(DEVMODEW * aDevMode)
{
if (mDevMode) {
::HeapFree(::GetProcessHeap(), 0, mDevMode);
mDevMode = nullptr;
}
if (aDevMode) {
CopyDevMode(aDevMode, mDevMode);
}
return NS_OK;
}
//-------------------------------------------
nsresult
nsPrintSettingsWin::_Clone(nsIPrintSettings **_retval)
{
nsRefPtr<nsPrintSettingsWin> printSettings = new nsPrintSettingsWin(*this);
printSettings.forget(_retval);
return NS_OK;
}
//-------------------------------------------
nsPrintSettingsWin& nsPrintSettingsWin::operator=(const nsPrintSettingsWin& rhs)
{
if (this == &rhs) {
return *this;
}
((nsPrintSettings&) *this) = rhs;
if (mDeviceName) {
free(mDeviceName);
}
if (mDriverName) {
free(mDriverName);
}
// Use free because we used the native malloc to create the memory
if (mDevMode) {
::HeapFree(::GetProcessHeap(), 0, mDevMode);
}
mDeviceName = rhs.mDeviceName?wcsdup(rhs.mDeviceName):nullptr;
mDriverName = rhs.mDriverName?wcsdup(rhs.mDriverName):nullptr;
if (rhs.mDevMode) {
CopyDevMode(rhs.mDevMode, mDevMode);
} else {
mDevMode = nullptr;
}
return *this;
}
//-------------------------------------------
/* void assign (in nsIPrintSettings aPS); */
nsresult
nsPrintSettingsWin::_Assign(nsIPrintSettings *aPS)
{
nsPrintSettingsWin *psWin = static_cast<nsPrintSettingsWin*>(aPS);
*this = *psWin;
return NS_OK;
}
//----------------------------------------------------------------------
// Testing of assign and clone
// This define turns on the testing module below
// so at start up it writes and reads the prefs.
#ifdef DEBUG_rodsX
#include "nsIPrintOptions.h"
#include "nsIServiceManager.h"
class Tester {
public:
Tester();
};
Tester::Tester()
{
nsCOMPtr<nsIPrintSettings> ps;
nsresult rv;
nsCOMPtr<nsIPrintOptions> printService = do_GetService("@mozilla.org/gfx/printsettings-service;1", &rv);
if (NS_SUCCEEDED(rv)) {
rv = printService->CreatePrintSettings(getter_AddRefs(ps));
}
if (ps) {
ps->SetPrintOptions(nsIPrintSettings::kPrintOddPages, true);
ps->SetPrintOptions(nsIPrintSettings::kPrintEvenPages, false);
ps->SetMarginTop(1.0);
ps->SetMarginLeft(1.0);
ps->SetMarginBottom(1.0);
ps->SetMarginRight(1.0);
ps->SetScaling(0.5);
ps->SetPrintBGColors(true);
ps->SetPrintBGImages(true);
ps->SetPrintRange(15);
ps->SetHeaderStrLeft(NS_ConvertUTF8toUTF16("Left").get());
ps->SetHeaderStrCenter(NS_ConvertUTF8toUTF16("Center").get());
ps->SetHeaderStrRight(NS_ConvertUTF8toUTF16("Right").get());
ps->SetFooterStrLeft(NS_ConvertUTF8toUTF16("Left").get());
ps->SetFooterStrCenter(NS_ConvertUTF8toUTF16("Center").get());
ps->SetFooterStrRight(NS_ConvertUTF8toUTF16("Right").get());
ps->SetPaperName(NS_ConvertUTF8toUTF16("Paper Name").get());
ps->SetPaperSizeType(10);
ps->SetPaperData(1);
ps->SetPaperWidth(100.0);
ps->SetPaperHeight(50.0);
ps->SetPaperSizeUnit(nsIPrintSettings::kPaperSizeMillimeters);
ps->SetPrintReversed(true);
ps->SetPrintInColor(true);
ps->SetOrientation(nsIPrintSettings::kLandscapeOrientation);
ps->SetPrintCommand(NS_ConvertUTF8toUTF16("Command").get());
ps->SetNumCopies(2);
ps->SetPrinterName(NS_ConvertUTF8toUTF16("Printer Name").get());
ps->SetPrintToFile(true);
ps->SetToFileName(NS_ConvertUTF8toUTF16("File Name").get());
ps->SetPrintPageDelay(1000);
nsCOMPtr<nsIPrintSettings> ps2;
if (NS_SUCCEEDED(rv)) {
rv = printService->CreatePrintSettings(getter_AddRefs(ps2));
}
ps2->Assign(ps);
nsCOMPtr<nsIPrintSettings> psClone;
ps2->Clone(getter_AddRefs(psClone));
}
}
Tester gTester;
#endif