C++ webcore::HistoryItemVector类代码示例

static String dumpBackForwardListForWebView()
{
    String result = "\n============== Back Forward List ==============\n";
    // FORMAT:
    // "        (file test):fast/loader/resources/click-fragment-link.html  **nav target**"
    // "curr->  (file test):fast/loader/resources/click-fragment-link.html#testfragment  **nav target**"
    WebCore::BackForwardListBlackBerry* bfList = static_cast<WebCore::BackForwardListBlackBerry*>(mainFrame->page()->backForward()->client());

    int maxItems = bfList->capacity();
    WebCore::HistoryItemVector entries;
    bfList->backListWithLimit(maxItems, entries);
    unsigned resultSize = entries.size();
    for (unsigned i = 0; i < resultSize; ++i)
        result = result + dumpHistoryItem(entries[i], 8, false);

    result = result + dumpHistoryItem(bfList->currentItem(), 8, true);

    bfList->forwardListWithLimit(maxItems, entries);
    resultSize = entries.size();
    for (unsigned i = 0; i < resultSize; ++i)
        result = result + dumpHistoryItem(entries[i], 8, false);

    result = result +  "===============================================\n";

    return result;
}

static String dumpHistoryItem(PassRefPtr<WebCore::HistoryItem> item, int indent, bool current)
{
    String result;

    int start = 0;
    if (current) {
        result = result + "curr->";
        start = 6;
    }
    for (int i = start; i < indent; i++)
        result = result + " ";

    String url = item->urlString();
    if (url.contains("file://")) {
        static String layoutTestsString("/LayoutTests/");
        static String fileTestString("(file test):");

        String res = url.substring(url.find(layoutTestsString) + layoutTestsString.length());
        if (res.isEmpty())
            return result;

        result = result + fileTestString;
        result = result + res;
    } else
        result = result + url;

    String target = item->target();
    if (!target.isEmpty())
        result = result + " (in frame \"" + target + "\")";

    if (item->isTargetItem())
        result = result + "  **nav target**";
    result = result + "\n";

    WebCore::HistoryItemVector children = item->children();
    // Must sort to eliminate arbitrary result ordering which defeats reproducible testing.
    nonCopyingSort(children.begin(), children.end(), historyItemCompare);
    unsigned resultSize = children.size();
    for (unsigned i = 0; i < resultSize; ++i)
        result = result + dumpHistoryItem(children[i], indent + 4, false);

    return result;
}

/**
 * webkit_web_back_forward_list_get_back_list_with_limit:
 * @web_back_forward_list: a #WebKitWebBackForwardList
 * @limit: the number of items to retrieve
 *
 * Returns a list of items that precede the current item, limited by @limit
 *
 * Return value: a #GList of items preceding the current item, limited by @limit
 */
GList* webkit_web_back_forward_list_get_back_list_with_limit(WebKitWebBackForwardList* webBackForwardList, gint limit)
{
    g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL);

    WebCore::BackForwardList* backForwardList = core(webBackForwardList);
    if (!backForwardList || !backForwardList->enabled())
        return NULL;

    WebCore::HistoryItemVector items;
    GList* backItems = { 0 };

    backForwardList->backListWithLimit(limit, items);

    for (unsigned i = 0; i < items.size(); i++) {
        WebKitWebHistoryItem* webHistoryItem = webkit_web_history_item_new_with_core_item(items[i].get());
        backItems = g_list_prepend(backItems, g_object_ref(webHistoryItem));
    }

    return g_list_reverse(backItems);
}