static JSStringRef indexRangeInTable(PlatformUIElement element, bool isRowRange)
{
GOwnPtr<gchar> rangeString(g_strdup("{0, 0}"));
if (!element)
return JSStringCreateWithUTF8CString(rangeString.get());
ASSERT(ATK_IS_OBJECT(element));
AtkObject* axTable = atk_object_get_parent(ATK_OBJECT(element));
if (!axTable || !ATK_IS_TABLE(axTable))
return JSStringCreateWithUTF8CString(rangeString.get());
// Look for the cell in the table.
gint indexInParent = atk_object_get_index_in_parent(ATK_OBJECT(element));
if (indexInParent == -1)
return JSStringCreateWithUTF8CString(rangeString.get());
int row = -1;
int column = -1;
row = atk_table_get_row_at_index(ATK_TABLE(axTable), indexInParent);
column = atk_table_get_column_at_index(ATK_TABLE(axTable), indexInParent);
// Get the actual values, if row and columns are valid values.
if (row != -1 && column != -1) {
int base = 0;
int length = 0;
if (isRowRange) {
base = row;
length = atk_table_get_row_extent_at(ATK_TABLE(axTable), row, column);
} else {
base = column;
length = atk_table_get_column_extent_at(ATK_TABLE(axTable), row, column);
}
rangeString.set(g_strdup_printf("{%d, %d}", base, length));
}
return JSStringCreateWithUTF8CString(rangeString.get());
}
void ChannelMediaResource::SetupChannelHeaders()
{
// Always use a byte range request even if we're reading from the start
// of the resource.
// This enables us to detect if the stream supports byte range
// requests, and therefore seeking, early.
nsCOMPtr<nsIHttpChannel> hc = do_QueryInterface(mChannel);
if (hc) {
// Use |mByteRange| for a specific chunk, or |mOffset| if seeking in a
// complete file download.
nsAutoCString rangeString("bytes=");
if (!mByteRange.IsNull()) {
rangeString.AppendInt(mByteRange.mStart);
mOffset = mByteRange.mStart;
} else {
rangeString.AppendInt(mOffset);
}
rangeString.Append("-");
if (!mByteRange.IsNull()) {
rangeString.AppendInt(mByteRange.mEnd);
}
hc->SetRequestHeader(NS_LITERAL_CSTRING("Range"), rangeString, false);
// Send Accept header for video and audio types only (Bug 489071)
NS_ASSERTION(NS_IsMainThread(), "Don't call on non-main thread");
MediaDecoderOwner* owner = mDecoder->GetMediaOwner();
if (!owner) {
return;
}
dom::HTMLMediaElement* element = owner->GetMediaElement();
if (!element) {
return;
}
element->SetRequestHeaders(hc);
} else {
NS_ASSERTION(mOffset == 0, "Don't know how to seek on this channel type");
}
}
