axmol/tests/cpp-tests/Classes/DownloaderTest/DownloaderTest.cpp

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 Copyright (c) 2012 cocos2d-x.org
 Copyright (c) 2013-2016 Chukong Technologies Inc.

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#include "DownloaderTest.h"

#include "../testResource.h"

#include "ui/UILoadingBar.h"
#include "network/CCDownloader.h"

USING_NS_CC;

static const char* sURLList[] =
{
    "http://www.cocos2d-x.org/attachments/802/cocos2dx_landscape.png",
    "http://www.cocos2d-x.org/docs/manual/framework/native/wiki/logo-resources-of-cocos2d-x/res/2dx_icon_512_rounded.png",
    "http://www.cocos2d-x.org/attachments/1503/no_exist.txt",  // try to download no exist file
    "http://download.sdkbox.com/installer/v1/sdkbox-iap_v2.3.6.1.tar.gz",
};
const static int sListSize = (sizeof(sURLList)/sizeof(sURLList[0]));
static const char* sNameList[sListSize] =
{
    "cocos2dx_landscape.png",
    "2dx_icon_512_rounded.png",
    "inexist file",
    "big file",
};

struct DownloaderTest : public TestCase
{
    CREATE_FUNC(DownloaderTest);
    
    virtual std::string title() const override { return "Downloader Test"; }
    
    std::unique_ptr<network::Downloader> downloader;
    
    DownloaderTest()
    {
        downloader.reset(new network::Downloader());
    }
    
    enum {
        TAG_TITLE = 1,
        TAG_BUTTON,
        TAG_PROGRESS_BAR,
        TAG_STATUS,
        TAG_SPRITE,
    };
    
    Node* createDownloadView(const char *name, const cocos2d::ui::Button::ccWidgetClickCallback &callback)
    {
        Size viewSize(220, 120);
        float margin = 5;
        
        // create background
        auto bg = ui::Scale9Sprite::createWithSpriteFrameName("button_actived.png");
        bg->setContentSize(viewSize);
        
        // add a titile on the top
        auto title = Label::createWithTTF(name,"fonts/arial.ttf",16);
        title->setTag(TAG_TITLE);
        title->setAnchorPoint(Vec2(0.5, 1));
        title->setPosition(viewSize.width / 2, viewSize.height - margin);
        bg->addChild(title, 10);
        
        // add a button on the bottom
        auto btn = ui::Button::create("cocosui/animationbuttonnormal.png",
                                      "cocosui/animationbuttonpressed.png");
        btn->setTag(TAG_BUTTON);
        btn->setTitleText("Download");
        btn->setAnchorPoint(Vec2(0.5, 0));
        btn->setPosition(Vec2(viewSize.width / 2, margin));
        btn->addClickEventListener(callback);
        bg->addChild(btn, 10);
        
        // add a progress bar
        auto bar = ui::LoadingBar::create("cocosui/UIEditorTest/UISlider/silder_progressBar.png");
        bar->setTag(TAG_PROGRESS_BAR);
        bar->ignoreContentAdaptWithSize(false);
        bar->setAnchorPoint(Vec2(0.5, 0));
        bar->setContentSize(Size(viewSize.width - margin * 2, btn->getContentSize().height));
        bar->setPosition(btn->getPosition());
        bar->setVisible(false);
        bg->addChild(bar, 10);

        // add a status label
        auto label = Label::createWithTTF("","fonts/arial.ttf",14);
        label->setTag(TAG_STATUS);
        label->setAnchorPoint(Vec2(0.5, 0.5));
        label->setPosition(Vec2(viewSize.width / 2, viewSize.height / 2));
        label->setContentSize(Size(viewSize.width, 0));
        label->setAlignment(TextHAlignment::CENTER, TextVAlignment::CENTER);
        label->setDimensions(viewSize.width, viewSize.height);
        bg->addChild(label, 20);
        
        return bg;
    }
    
    virtual void onEnter() override
    {
        TestCase::onEnter();
        _restartTestItem->setVisible(true);
        
        SpriteFrameCache::getInstance()->addSpriteFramesWithFile(s_s9s_ui_plist);

        // add four download view in test case
        Node* topRightView = createDownloadView(sNameList[0], [this](Ref*)
        {
            auto view = this->getChildByName(sNameList[0]);
            auto sprite = view->getChildByTag(TAG_SPRITE);
            if (sprite)
            {
                sprite->removeFromParentAndCleanup(true);
            }
            auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
            btn->setEnabled(false);
            btn->setVisible(false);
            auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
            bar->setPercent(0);
            bar->setVisible(true);
            this->downloader->createDownloadDataTask(sURLList[0], sNameList[0]);
        });
        topRightView->setName(sNameList[0]);
        topRightView->setAnchorPoint(Vec2(0, 0));
        topRightView->setPosition(VisibleRect::center());
        this->addChild(topRightView);

        Node* topLeftView = createDownloadView(sNameList[1], [this](Ref*)
        {
            auto view = this->getChildByName(sNameList[1]);
            auto sprite = view->getChildByTag(TAG_SPRITE);
            if (sprite)
            {
                sprite->removeFromParentAndCleanup(true);
            }
            auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
            btn->setEnabled(false);
            btn->setVisible(false);
            auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
            bar->setPercent(0);
            bar->setVisible(true);
            bar->setEnabled(true);
            this->downloader->createDownloadDataTask(sURLList[1], sNameList[1]);
        });
        topLeftView->setName(sNameList[1]);
        topLeftView->setAnchorPoint(Vec2(1, 0));
        topLeftView->setPosition(VisibleRect::center());
        this->addChild(topLeftView);

        Node* bottomLeftView = createDownloadView(sNameList[2], [this](Ref*)
        {
            auto view = this->getChildByName(sNameList[2]);
            auto sprite = view->getChildByTag(TAG_SPRITE);
            if (sprite)
            {
                sprite->removeFromParentAndCleanup(true);
            }
            auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
            btn->setEnabled(false);
            btn->setVisible(false);
            auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
            bar->setPercent(0);
            bar->setVisible(true);
            bar->setEnabled(true);
            auto path = FileUtils::getInstance()->getWritablePath() + "CppTests/DownloaderTest/" + sNameList[2];
            this->downloader->createDownloadFileTask(sURLList[2], path, sNameList[2]);
        });
        bottomLeftView->setName(sNameList[2]);
        bottomLeftView->setAnchorPoint(Vec2(1, 1));
        bottomLeftView->setPosition(VisibleRect::center());
        this->addChild(bottomLeftView);

        Node* bottomRightView = createDownloadView(sNameList[3], [this](Ref*)
        {
            auto view = this->getChildByName(sNameList[3]);
            auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
            btn->setEnabled(false);
            btn->setVisible(false);
            auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
            bar->setPercent(0);
            bar->setVisible(true);
            bar->setEnabled(true);
            auto path = FileUtils::getInstance()->getWritablePath() + "CppTests/DownloaderTest/" + sNameList[3];
            this->downloader->createDownloadFileTask(sURLList[3], path, sNameList[3]);
        });
        bottomRightView->setName(sNameList[3]);
        bottomRightView->setAnchorPoint(Vec2(0, 1));
        bottomRightView->setPosition(VisibleRect::center());
        this->addChild(bottomRightView);

        // define progress callback
        downloader->onTaskProgress = [this](const network::DownloadTask& task,
                                          int64_t bytesReceived,
                                          int64_t totalBytesReceived,
                                          int64_t totalBytesExpected)
        {
            Node* view = this->getChildByName(task.identifier);
            auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
            float percent = float(totalBytesReceived * 100) / totalBytesExpected;
            bar->setPercent(percent);
            char buf[32];
            sprintf(buf, "%.1f%%[total %d KB]", percent, int(totalBytesExpected/1024));
            auto status = (Label*)view->getChildByTag(TAG_STATUS);
            status->setString(buf);
        };
        
        // define success callback
        downloader->onDataTaskSuccess = [this](const cocos2d::network::DownloadTask& task,
                                               std::vector<unsigned char>& data)
        {
            // create texture from data
            Texture2D* texture = nullptr;
            do
            {
                Image img;
                if (false == img.initWithImageData(data.data(), data.size()))
                {
                    break;
                }
                
                texture = new Texture2D();
                if (false == texture->initWithImage(&img))
                {
                    break;
                }
                auto sprite = Sprite::createWithTexture(texture);
                auto view = this->getChildByName(task.identifier);
                auto viewSize = view->getContentSize();
                sprite->setPosition(viewSize.width / 2, viewSize.height / 2);
                auto spriteSize = sprite->getContentSize();
                float scale = MIN((viewSize.height - 20) / spriteSize.height, (viewSize.width - 20) / spriteSize.width);
                sprite->setScale(scale);
                view->addChild(sprite, 5, TAG_SPRITE);
                
                auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
                btn->setEnabled(true);
                btn->setVisible(true);
                auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
                bar->setVisible(false);
            } while (0);
            CC_SAFE_RELEASE(texture);
        };
        
        downloader->onFileTaskSuccess = [this](const cocos2d::network::DownloadTask& task)
        {
            Texture2D* texture = nullptr;
            do
            {
                auto view = this->getChildByName(task.identifier);
                if (std::string::npos == task.storagePath.find(".png"))
                {
                    // download big file success
                    char buf[32];
                    sprintf(buf, "Download [%s] success.", task.identifier.c_str());
                    auto status = (Label*)view->getChildByTag(TAG_STATUS);
                    status->setString(buf);
                    break;
                }
                // create sprite from file
                auto sprite = Sprite::create(task.storagePath);
                auto viewSize = view->getContentSize();
                sprite->setPosition(viewSize.width / 2, viewSize.height / 2);
                auto spriteSize = sprite->getContentSize();
                float scale = MIN((viewSize.height - 20) / spriteSize.height, (viewSize.width - 20) / spriteSize.width);
                sprite->setScale(scale);
                view->addChild(sprite, 5, TAG_SPRITE);
                
                auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
                btn->setEnabled(true);
                btn->setVisible(true);
                auto bar = (ui::LoadingBar*)view->getChildByTag(TAG_PROGRESS_BAR);
                bar->setVisible(false);
            } while (0);
            CC_SAFE_RELEASE(texture);
        };
        
        // define failed callback
        downloader->onTaskError = [this](const cocos2d::network::DownloadTask& task,
                                         int errorCode,
                                         int errorCodeInternal,
                                         const std::string& errorStr)
        {
            log("Failed to download : %s, identifier(%s) error code(%d), internal error code(%d) desc(%s)"
                , task.requestURL.c_str()
                , task.identifier.c_str()
                , errorCode
                , errorCodeInternal
                , errorStr.c_str());
            auto view = this->getChildByName(task.identifier);
            auto status = (Label*)view->getChildByTag(TAG_STATUS);
            status->setString(errorStr.length() ? errorStr : "Download failed.");
            
            auto btn = (ui::Button*)view->getChildByTag(TAG_BUTTON);
            btn->setEnabled(true);
            btn->setVisible(true);
        };
    }
};

DownloaderTests::DownloaderTests()
{
    ADD_TEST_CASE(DownloaderTest);
};