C++ RefPtr::setBridge方法代码示例

//.........这里部分代码省略.........
        if ((end < data) || ((size_t)(end - data) < formDataSize)) {
            ALOGW("\tNot enough data to read form data; returning");
            return false;
        }
        formData = WebCore::FormData::create(data, formDataSize);
        data += formDataSize;
        // Read the identifier
        int64_t id;
        if (!readInt64(data, end, id, "Form id"))
            return false;
        if (id)
            formData->setIdentifier(id);
    }

    // Set up the form info
    if (formData != NULL) {
        WebCore::ResourceRequest r;
        r.setHTTPMethod("POST");
        r.setHTTPContentType(formContentType);
        r.setHTTPBody(formData);
        newItem->setFormInfoFromRequest(r);
    }

    // Read the target
    if (readString(data, end, content, "Target"))
        newItem->setTarget(content);
    else
        return false;

    AndroidWebHistoryBridge* bridge = newItem->bridge();
    ALOG_ASSERT(bridge, "There should be a bridge object during inflate");

    // Read the screen scale
    float fValue;
    if (readFloat(data, end, fValue, "Screen scale"))
        bridge->setScale(fValue);
    else
        return false;

    // Read the text wrap scale
    if (readFloat(data, end, fValue, "Text wrap scale"))
        bridge->setTextWrapScale(fValue);
    else
        return false;

    // Read scroll position.
    int scrollX;
    if (!readInt(data, end, scrollX, "Scroll pos x"))
        return false;
    int scrollY;
    if (!readInt(data, end, scrollY, "Scroll pos y"))
        return false;
    newItem->setScrollPoint(IntPoint(scrollX, scrollY));

    // Read the document state
    unsigned docStateCount;
    if (!readUnsigned(data, end, docStateCount, "Doc state count"))
        return false;
    if (docStateCount) {
        // Create a new vector and reserve enough space for the document state.
        WTF::Vector<WTF::String> docState;
        docState.reserveCapacity(docStateCount);
        while (docStateCount--) {
            // Read a document state string
            if (readString(data, end, content, "Document state"))
                docState.append(content);
            else
                return false;
        }
        newItem->setDocumentState(docState);
    }

    // Read is target item
    bool c;
    if (readBool(data, end, c, "Target item"))
        newItem->setIsTargetItem(c);
    else
        return false;

    // Read the child count
    unsigned count;
    if (!readUnsigned(data, end, count, "Child count"))
        return false;
    *pData = data;
    if (count) {
        while (count--) {
            // No need to check the length each time because read_item_recursive
            // will return null if there isn't enough data left to parse.
            WTF::RefPtr<WebCore::HistoryItem> child = WebCore::HistoryItem::create();
            // Set a bridge that will not call into java.
            child->setBridge(new WebHistoryItem(static_cast<WebHistoryItem*>(bridge)));
            // Read the child item.
            if (!readItemRecursive(child.get(), pData, end - data))
                return false;
            child->bridge()->setActive();
            newItem->addChildItem(child);
        }
    }
    return true;
}