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; }