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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "nsThebesFontEnumerator.h"
#include <stdint.h> // for uint32_t
#include "gfxPlatform.h" // for gfxPlatform
#include "mozilla/Assertions.h" // for MOZ_ASSERT_HELPER2
#include "nsCOMPtr.h" // for nsCOMPtr
#include "nsDebug.h" // for NS_ENSURE_ARG_POINTER
#include "nsError.h" // for NS_OK, NS_FAILED, nsresult
#include "nsIAtom.h" // for nsIAtom, NS_Atomize
#include "nsID.h"
#include "nsMemory.h" // for nsMemory
#include "nsString.h" // for nsAutoCString, nsAutoString, etc
#include "nsTArray.h" // for nsTArray, nsTArray_Impl, etc
#include "nscore.h" // for char16_t, NS_IMETHODIMP
NS_IMPL_ISUPPORTS(nsThebesFontEnumerator, nsIFontEnumerator)
nsThebesFontEnumerator::nsThebesFontEnumerator()
{
}
NS_IMETHODIMP
nsThebesFontEnumerator::EnumerateAllFonts(uint32_t *aCount,
char16_t ***aResult)
{
return EnumerateFonts (nullptr, nullptr, aCount, aResult);
}
NS_IMETHODIMP
nsThebesFontEnumerator::EnumerateFonts(const char *aLangGroup,
const char *aGeneric,
uint32_t *aCount,
char16_t ***aResult)
{
NS_ENSURE_ARG_POINTER(aCount);
NS_ENSURE_ARG_POINTER(aResult);
nsTArray<nsString> fontList;
nsAutoCString generic;
if (aGeneric)
generic.Assign(aGeneric);
else
generic.SetIsVoid(true);
nsCOMPtr<nsIAtom> langGroupAtom;
if (aLangGroup) {
nsAutoCString lowered;
lowered.Assign(aLangGroup);
ToLowerCase(lowered);
langGroupAtom = NS_Atomize(lowered);
}
nsresult rv = gfxPlatform::GetPlatform()->GetFontList(langGroupAtom, generic, fontList);
if (NS_FAILED(rv)) {
*aCount = 0;
*aResult = nullptr;
/* XXX in this case, do we want to return the CSS generics? */
return NS_OK;
}
char16_t **fs = static_cast<char16_t **>
(moz_xmalloc(fontList.Length() * sizeof(char16_t*)));
for (uint32_t i = 0; i < fontList.Length(); i++) {
fs[i] = ToNewUnicode(fontList[i]);
}
*aResult = fs;
*aCount = fontList.Length();
return NS_OK;
}
NS_IMETHODIMP
nsThebesFontEnumerator::HaveFontFor(const char *aLangGroup,
bool *aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = true;
return NS_OK;
}
NS_IMETHODIMP
nsThebesFontEnumerator::GetDefaultFont(const char *aLangGroup,
const char *aGeneric,
char16_t **aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsThebesFontEnumerator::UpdateFontList(bool *_retval)
{
gfxPlatform::GetPlatform()->UpdateFontList();
*_retval = false; // always return false for now
return NS_OK;
}
NS_IMETHODIMP
nsThebesFontEnumerator::GetStandardFamilyName(const char16_t *aName,
char16_t **aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
NS_ENSURE_ARG_POINTER(aName);
nsAutoString name(aName);
if (name.IsEmpty()) {
*aResult = nullptr;
return NS_OK;
}
nsAutoString family;
nsresult rv = gfxPlatform::GetPlatform()->
GetStandardFamilyName(nsDependentString(aName), family);
if (NS_FAILED(rv) || family.IsEmpty()) {
*aResult = nullptr;
return NS_OK;
}
*aResult = ToNewUnicode(family);
return NS_OK;
}
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