private void parseCommentsJSON(InputStream in) throws IOException, JsonParseException {
int insertedCommentIndex;
String genericListingError = "Not a comments listing";
try {
Listing[] listings = mObjectMapper.readValue(in, Listing[].class);
// listings[0] is a thread Listing for the OP.
// process same as a thread listing more or less
Assert.assertEquals(Constants.JSON_LISTING, listings[0].getKind(), genericListingError);
// Save modhash, ignore "after" and "before" which are meaningless in this context (and
// probably null)
ListingData threadListingData = listings[0].getData();
if (StringUtils.isEmpty(threadListingData.getModhash())) mSettings.setModhash(null);
else mSettings.setModhash(threadListingData.getModhash());
if (Constants.LOGGING)
Log.d(TAG, "Successfully got OP listing[0]: modhash " + mSettings.getModhash());
ThingListing threadThingListing = threadListingData.getChildren()[0];
Assert.assertEquals(Constants.THREAD_KIND, threadThingListing.getKind(), genericListingError);
// listings[1] is a comment Listing for the comments
ListingData commentListingData = listings[1].getData();
if (isInsertingEntireThread()) {
parseOP(
threadThingListing.getData(),
commentListingData.getChildren().length == 0
? null
: commentListingData.getChildren()[0].getData());
insertedCommentIndex = 0; // we just inserted the OP into position 0
if (!StringUtils.isEmpty(mJumpToCommentId) && mJumpToCommentContext > 0) {
// If viewing context, then the 'first' item will be the context-viewing warning.
insertedCommentIndex++;
}
// at this point we've started displaying comments, so disable the loading screen
disableLoadingScreenKeepProgress();
} else {
insertedCommentIndex = mPositionOffset - 1; // -1 because we +1 for the first comment
}
// Go through the children and get the ThingInfos
for (ThingListing commentThingListing : commentListingData.getChildren()) {
// insert the comment and its replies, prefix traversal order
insertedCommentIndex =
insertNestedComment(commentThingListing, 0, insertedCommentIndex + 1);
}
mProcessCommentsTask.mergeLowPriorityListToMainList();
} catch (Exception ex) {
if (Constants.LOGGING) Log.e(TAG, "parseCommentsJSON", ex);
}
}
/**
* Recursive method to insert comment tree into the mCommentsList, with proper list order and
* indentation
*/
int insertNestedComment(
ThingListing commentThingListing, int indentLevel, int insertedCommentIndex) {
ThingInfo ci = commentThingListing.getData();
// First test for moderator distinguished
if (Constants.DISTINGUISHED_MODERATOR.equalsIgnoreCase(ci.getDistinguished())) {
SpannableString distSS = new SpannableString(ci.getAuthor() + " [M]");
distSS.setSpan(
Util.getModeratorSpan(mActivity.getApplicationContext()),
0,
distSS.length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ci.setSSAuthor(distSS);
} else if (Constants.DISTINGUISHED_ADMIN.equalsIgnoreCase(ci.getDistinguished())) {
SpannableString distSS = new SpannableString(ci.getAuthor() + " [A]");
distSS.setSpan(
Util.getAdminSpan(mActivity.getApplicationContext()),
0,
distSS.length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
ci.setSSAuthor(distSS);
} else if (mOpThingInfo != null && mOpThingInfo.getAuthor().equalsIgnoreCase(ci.getAuthor())) {
if (m_OPSpan == null) {
m_OPSpan = new SpannableString(mOpThingInfo.getAuthor() + " [S]");
m_OPSpan.setSpan(
Util.getOPSpan(mActivity.getApplicationContext(), mSettings.getTheme()),
0,
m_OPSpan.length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
ci.setSSAuthor(m_OPSpan);
}
// Add comment to deferred append/replace list
if (isInsertingEntireThread()) deferCommentAppend(ci);
else deferCommentReplacement(ci);
// Keep track of jump target
if (isHasJumpTarget()) {
if (!isFoundJumpTargetComment() && mJumpToCommentId.equals(ci.getId()))
processJumpTarget(ci, insertedCommentIndex);
}
if (isHasJumpTarget()) {
// if we have found the jump target, then we did the messy stuff already. just append to main
// processing list.
if (isFoundJumpTargetComment()) {
mProcessCommentsTask.addDeferred(new DeferredCommentProcessing(ci, insertedCommentIndex));
}
// try to handle the context search, if we want context
else if (mJumpToCommentContext > 0) {
// any comment could be in the context; we don't know yet. so append to the high-priority
// "context" list
mProcessCommentsTask.addDeferredHighPriority(
new DeferredCommentProcessing(ci, insertedCommentIndex));
// we push overflow onto the low priority list, since overflow will end up above the jump
// target, off the top of the screen.
// TODO don't use LinkedList.size()
mProcessCommentsTask.moveHighPriorityOverflowToLowPriority(mJumpToCommentContext);
}
// if no context search, then push comments to low priority list until we find the jump target
// comment
else {
mProcessCommentsTask.addDeferredLowPriority(
new DeferredCommentProcessing(ci, insertedCommentIndex));
}
}
// if there is no jump target, there's just a single deferred-processing list to worry about.
else {
mProcessCommentsTask.addDeferred(new DeferredCommentProcessing(ci, insertedCommentIndex));
}
// Formatting that applies to all items, both real comments and "more" entries
ci.setIndent(mIndentation + indentLevel);
// Handle "more" entry
if (Constants.MORE_KIND.equals(commentThingListing.getKind())) {
ci.setLoadMoreCommentsPlaceholder(true);
if (Constants.LOGGING) Log.v(TAG, "new more position at " + (insertedCommentIndex));
return insertedCommentIndex;
}
// Regular comment
// Skip things that are not comments, which shouldn't happen
if (!Constants.COMMENT_KIND.equals(commentThingListing.getKind())) {
if (Constants.LOGGING)
Log.e(
TAG,
"comment whose kind is \""
+ commentThingListing.getKind()
+ "\" (expected "
+ Constants.COMMENT_KIND
+ ")");
return insertedCommentIndex;
}
// handle the replies
Listing repliesListing = ci.getReplies();
if (repliesListing == null) return insertedCommentIndex;
ListingData repliesListingData = repliesListing.getData();
if (repliesListingData == null) return insertedCommentIndex;
ThingListing[] replyThingListings = repliesListingData.getChildren();
if (replyThingListings == null) return insertedCommentIndex;
for (ThingListing replyThingListing : replyThingListings) {
insertedCommentIndex =
insertNestedComment(replyThingListing, indentLevel + 1, insertedCommentIndex + 1);
}
return insertedCommentIndex;
}
