void
WidgetKeyboardEvent::GetAccessKeyCandidates(nsTArray<uint32_t>& aCandidates)
{
MOZ_ASSERT(aCandidates.IsEmpty(), "aCandidates must be empty");
// return the lower cased charCode candidates for access keys.
// the priority of the charCodes are:
// 0: charCode, 1: unshiftedCharCodes[0], 2: shiftedCharCodes[0]
// 3: unshiftedCharCodes[1], 4: shiftedCharCodes[1],...
if (charCode) {
uint32_t ch = charCode;
if (IS_IN_BMP(ch)) {
ch = ToLowerCase(static_cast<char16_t>(ch));
}
aCandidates.AppendElement(ch);
}
for (uint32_t i = 0; i < alternativeCharCodes.Length(); ++i) {
uint32_t ch[2] =
{ alternativeCharCodes[i].mUnshiftedCharCode,
alternativeCharCodes[i].mShiftedCharCode };
for (uint32_t j = 0; j < 2; ++j) {
if (!ch[j]) {
continue;
}
if (IS_IN_BMP(ch[j])) {
ch[j] = ToLowerCase(static_cast<char16_t>(ch[j]));
}
// Don't append the charCode that was already appended.
if (aCandidates.IndexOf(ch[j]) == aCandidates.NoIndex) {
aCandidates.AppendElement(ch[j]);
}
}
}
// Special case for "Space" key. With some keyboard layouts, "Space" with
// or without Shift key causes non-ASCII space. For such keyboard layouts,
// we should guarantee that the key press works as an ASCII white space key
// press. However, if the space key is assigned to a function key, it
// shouldn't work as a space key.
if (mKeyNameIndex == KEY_NAME_INDEX_USE_STRING &&
mCodeNameIndex == CODE_NAME_INDEX_Space &&
charCode != static_cast<uint32_t>(' ')) {
aCandidates.AppendElement(static_cast<uint32_t>(' '));
}
return;
}
void
nsFontCache::Compact()
{
// Need to loop backward because the running element can be removed on
// the way
for (int32_t i = mFontMetrics.Length()-1; i >= 0; --i) {
nsFontMetrics* fm = mFontMetrics[i];
nsFontMetrics* oldfm = fm;
// Destroy() isn't here because we want our device context to be
// notified
NS_RELEASE(fm); // this will reset fm to nullptr
// if the font is really gone, it would have called back in
// FontMetricsDeleted() and would have removed itself
if (mFontMetrics.IndexOf(oldfm) != mFontMetrics.NoIndex) {
// nope, the font is still there, so let's hold onto it too
NS_ADDREF(oldfm);
}
}
}
void
DBusWatcher::HandleWatchRemove()
{
int fd;
ssize_t res = TEMP_FAILURE_RETRY(read(mControlFdR.get(), &fd, sizeof(fd)));
if (res < 0) {
LOG("Cannot read DBus watch remove descriptor data from socket!\n");
return;
}
unsigned int flags;
res = TEMP_FAILURE_RETRY(read(mControlFdR.get(), &flags, sizeof(flags)));
if (res < 0) {
LOG("Cannot read DBus watch remove flag data from socket!\n");
return;
}
struct pollfd p = {
fd, // .fd
DBusFlagsToUnixEvents(flags), // .events
0 // .revents
};
int index = mPollData.IndexOf(p, 0, PollFdComparator());
// There are times where removes can be requested for watches that
// haven't been added (for example, whenever gecko comes up after
// adapters have already been enabled), so check to make sure we're
// using the watch in the first place
if (index < 0) {
LOG("DBus requested watch removal of non-existant socket, ignoring...");
return;
}
mPollData.RemoveElementAt(index);
// DBusWatch pointers are maintained by DBus, so we won't leak by
// removing.
mWatchData.RemoveElementAt(index);
}
