#include "network/HttpClient.h"
USING_NS_CC;
 
// snip...
 
bool HelloWorld::init()
{
    // snip...
 
    auto request = new extension::HttpRequest();
    request->setUrl("http://befool.co.jp/images/logo_befool.jpg");
    request->setRequestType(extension::HttpRequest::Type::GET);
    request->setResponseCallback(this, httpresponse_selector(HelloWorld::onHttpRequestCompleted));
    extension::HttpClient::getInstance()->send(request);
 
    return true;
}
 
/**
 * ファイルDL終了コールバック
 */
void HelloWorld::onHttpRequestCompleted(extension::HttpClient* sender, extension::HttpResponse* response)
{
    Size visibleSize = Director::getInstance()->getVisibleSize();
    Point origin = Director::getInstance()->getVisibleOrigin();
 
    auto fileUtils = FileUtils::sharedFileUtils();
    std::string filename = fileUtils->getWritablePath() + "hoge.jpg";
 
    if (fileUtils->isFileExist(filename)) {
        log("file exist. use hoge.jpg.");
 
        auto sprite = Sprite::create(filename.c_str());
        sprite->setPosition(Point(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
        this->addChild(sprite, 0);
    } else {
        log("no file exist. use default image, and save the file.");
 
        if (response->isSucceed()) {
            std::vector<char>* buffer = response->getResponseData();
            auto* img = new Image();
            img->initWithImageData(reinterpret_cast<unsigned char*>(&(buffer->front())), buffer->size());
            img->saveToFile(filename.c_str());
 
            auto* texture = new Texture2D();
            texture->initWithImage(img);
 
            auto sprite = Sprite::createWithTexture(texture);
            sprite->setPosition(Point(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
            this->addChild(sprite, 0);
        }
    }
}