gecko-dev/layout/inspector/nsFontFace.cpp
Carsten "Tomcat" Book 08d815245e Backed out changeset 1dcb339812d1 (bug 945091) for mochitest-8 bustage on a CLOSED TREE
--HG--
rename : layout/inspector/inICSSValueSearch.idl => layout/inspector/public/inICSSValueSearch.idl
rename : layout/inspector/inIDOMUtils.idl => layout/inspector/public/inIDOMUtils.idl
rename : layout/inspector/inIDOMView.idl => layout/inspector/public/inIDOMView.idl
rename : layout/inspector/inIDeepTreeWalker.idl => layout/inspector/public/inIDeepTreeWalker.idl
rename : layout/inspector/inIFlasher.idl => layout/inspector/public/inIFlasher.idl
rename : layout/inspector/inISearchObserver.idl => layout/inspector/public/inISearchObserver.idl
rename : layout/inspector/inISearchProcess.idl => layout/inspector/public/inISearchProcess.idl
rename : layout/inspector/nsIDOMFontFace.idl => layout/inspector/public/nsIDOMFontFace.idl
rename : layout/inspector/nsIDOMFontFaceList.idl => layout/inspector/public/nsIDOMFontFaceList.idl
rename : layout/inspector/inCSSValueSearch.cpp => layout/inspector/src/inCSSValueSearch.cpp
rename : layout/inspector/inCSSValueSearch.h => layout/inspector/src/inCSSValueSearch.h
rename : layout/inspector/inDOMUtils.cpp => layout/inspector/src/inDOMUtils.cpp
rename : layout/inspector/inDOMUtils.h => layout/inspector/src/inDOMUtils.h
rename : layout/inspector/inDOMView.cpp => layout/inspector/src/inDOMView.cpp
rename : layout/inspector/inDOMView.h => layout/inspector/src/inDOMView.h
rename : layout/inspector/inDeepTreeWalker.cpp => layout/inspector/src/inDeepTreeWalker.cpp
rename : layout/inspector/inDeepTreeWalker.h => layout/inspector/src/inDeepTreeWalker.h
rename : layout/inspector/inFlasher.cpp => layout/inspector/src/inFlasher.cpp
rename : layout/inspector/inFlasher.h => layout/inspector/src/inFlasher.h
rename : layout/inspector/inLayoutUtils.cpp => layout/inspector/src/inLayoutUtils.cpp
rename : layout/inspector/inLayoutUtils.h => layout/inspector/src/inLayoutUtils.h
rename : layout/inspector/inSearchLoop.cpp => layout/inspector/src/inSearchLoop.cpp
rename : layout/inspector/inSearchLoop.h => layout/inspector/src/inSearchLoop.h
rename : layout/inspector/moz.build => layout/inspector/src/moz.build
rename : layout/inspector/nsFontFace.cpp => layout/inspector/src/nsFontFace.cpp
rename : layout/inspector/nsFontFace.h => layout/inspector/src/nsFontFace.h
rename : layout/inspector/nsFontFaceList.cpp => layout/inspector/src/nsFontFaceList.cpp
rename : layout/inspector/nsFontFaceList.h => layout/inspector/src/nsFontFaceList.h
2013-12-04 09:24:09 +01:00

208 lines
5.7 KiB
C++

/* 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 "nsFontFace.h"
#include "nsIDOMCSSFontFaceRule.h"
#include "nsCSSRules.h"
#include "gfxFont.h"
#include "gfxUserFontSet.h"
#include "nsFontFaceLoader.h"
#include "mozilla/gfx/2D.h"
#include "zlib.h"
nsFontFace::nsFontFace(gfxFontEntry* aFontEntry,
gfxFontGroup* aFontGroup,
uint8_t aMatchType)
: mFontEntry(aFontEntry),
mFontGroup(aFontGroup),
mMatchType(aMatchType)
{
}
nsFontFace::~nsFontFace()
{
}
////////////////////////////////////////////////////////////////////////
// nsISupports
NS_IMPL_ISUPPORTS1(nsFontFace, nsIDOMFontFace)
////////////////////////////////////////////////////////////////////////
// nsIDOMFontFace
/* readonly attribute boolean fromFontGroup; */
NS_IMETHODIMP
nsFontFace::GetFromFontGroup(bool * aFromFontGroup)
{
*aFromFontGroup =
(mMatchType & gfxTextRange::kFontGroup) != 0;
return NS_OK;
}
/* readonly attribute boolean fromLanguagePrefs; */
NS_IMETHODIMP
nsFontFace::GetFromLanguagePrefs(bool * aFromLanguagePrefs)
{
*aFromLanguagePrefs =
(mMatchType & gfxTextRange::kPrefsFallback) != 0;
return NS_OK;
}
/* readonly attribute boolean fromSystemFallback; */
NS_IMETHODIMP
nsFontFace::GetFromSystemFallback(bool * aFromSystemFallback)
{
*aFromSystemFallback =
(mMatchType & gfxTextRange::kSystemFallback) != 0;
return NS_OK;
}
/* readonly attribute DOMString name; */
NS_IMETHODIMP
nsFontFace::GetName(nsAString & aName)
{
if (mFontEntry->IsUserFont() && !mFontEntry->IsLocalUserFont()) {
NS_ASSERTION(mFontEntry->mUserFontData, "missing userFontData");
aName = mFontEntry->mUserFontData->mRealName;
} else {
aName = mFontEntry->RealFaceName();
}
return NS_OK;
}
/* readonly attribute DOMString CSSFamilyName; */
NS_IMETHODIMP
nsFontFace::GetCSSFamilyName(nsAString & aCSSFamilyName)
{
aCSSFamilyName = mFontEntry->FamilyName();
return NS_OK;
}
/* readonly attribute nsIDOMCSSFontFaceRule rule; */
NS_IMETHODIMP
nsFontFace::GetRule(nsIDOMCSSFontFaceRule **aRule)
{
// check whether this font entry is associated with an @font-face rule
// in the relevant font group's user font set
nsCSSFontFaceRule* rule = nullptr;
if (mFontEntry->IsUserFont()) {
nsUserFontSet* fontSet =
static_cast<nsUserFontSet*>(mFontGroup->GetUserFontSet());
if (fontSet) {
rule = fontSet->FindRuleForEntry(mFontEntry);
}
}
NS_IF_ADDREF(*aRule = rule);
return NS_OK;
}
/* readonly attribute long srcIndex; */
NS_IMETHODIMP
nsFontFace::GetSrcIndex(int32_t * aSrcIndex)
{
if (mFontEntry->IsUserFont()) {
NS_ASSERTION(mFontEntry->mUserFontData, "missing userFontData");
*aSrcIndex = mFontEntry->mUserFontData->mSrcIndex;
} else {
*aSrcIndex = -1;
}
return NS_OK;
}
/* readonly attribute DOMString URI; */
NS_IMETHODIMP
nsFontFace::GetURI(nsAString & aURI)
{
aURI.Truncate();
if (mFontEntry->IsUserFont() && !mFontEntry->IsLocalUserFont()) {
NS_ASSERTION(mFontEntry->mUserFontData, "missing userFontData");
if (mFontEntry->mUserFontData->mURI) {
nsAutoCString spec;
mFontEntry->mUserFontData->mURI->GetSpec(spec);
AppendUTF8toUTF16(spec, aURI);
}
}
return NS_OK;
}
/* readonly attribute DOMString localName; */
NS_IMETHODIMP
nsFontFace::GetLocalName(nsAString & aLocalName)
{
if (mFontEntry->IsLocalUserFont()) {
NS_ASSERTION(mFontEntry->mUserFontData, "missing userFontData");
aLocalName = mFontEntry->mUserFontData->mLocalName;
} else {
aLocalName.Truncate();
}
return NS_OK;
}
/* readonly attribute DOMString format; */
static void
AppendToFormat(nsAString & aResult, const char* aFormat)
{
if (!aResult.IsEmpty()) {
aResult.Append(',');
}
aResult.AppendASCII(aFormat);
}
NS_IMETHODIMP
nsFontFace::GetFormat(nsAString & aFormat)
{
aFormat.Truncate();
if (mFontEntry->IsUserFont() && !mFontEntry->IsLocalUserFont()) {
NS_ASSERTION(mFontEntry->mUserFontData, "missing userFontData");
uint32_t formatFlags = mFontEntry->mUserFontData->mFormat;
if (formatFlags & gfxUserFontSet::FLAG_FORMAT_OPENTYPE) {
AppendToFormat(aFormat, "opentype");
}
if (formatFlags & gfxUserFontSet::FLAG_FORMAT_TRUETYPE) {
AppendToFormat(aFormat, "truetype");
}
if (formatFlags & gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT) {
AppendToFormat(aFormat, "truetype-aat");
}
if (formatFlags & gfxUserFontSet::FLAG_FORMAT_EOT) {
AppendToFormat(aFormat, "embedded-opentype");
}
if (formatFlags & gfxUserFontSet::FLAG_FORMAT_SVG) {
AppendToFormat(aFormat, "svg");
}
if (formatFlags & gfxUserFontSet::FLAG_FORMAT_WOFF) {
AppendToFormat(aFormat, "woff");
}
}
return NS_OK;
}
/* readonly attribute DOMString metadata; */
NS_IMETHODIMP
nsFontFace::GetMetadata(nsAString & aMetadata)
{
aMetadata.Truncate();
if (mFontEntry->IsUserFont() && !mFontEntry->IsLocalUserFont()) {
NS_ASSERTION(mFontEntry->mUserFontData, "missing userFontData");
const gfxUserFontData* userFontData = mFontEntry->mUserFontData;
if (userFontData->mMetadata.Length() && userFontData->mMetaOrigLen) {
nsAutoCString str;
str.SetLength(userFontData->mMetaOrigLen);
if (str.Length() == userFontData->mMetaOrigLen) {
uLongf destLen = userFontData->mMetaOrigLen;
if (uncompress((Bytef *)(str.BeginWriting()), &destLen,
(const Bytef *)(userFontData->mMetadata.Elements()),
userFontData->mMetadata.Length()) == Z_OK &&
destLen == userFontData->mMetaOrigLen)
{
AppendUTF8toUTF16(str, aMetadata);
}
}
}
}
return NS_OK;
}