C++ ThemeInfo::GetPreviewPath方法代码示例

void ThemeChooser::itemChanged(MythUIButtonListItem *item)
{
    ThemeInfo *info = qVariantValue<ThemeInfo*>(item->GetData());

    if (!info)
        return;

    QFileInfo preview(info->GetPreviewPath());
    QHash<QString, QString> infomap;
    info->ToMap(infomap);
    SetTextFromMap(infomap);
    if (m_preview)
    {
        if (preview.exists())
        {
            m_preview->SetFilename(info->GetPreviewPath());
            m_preview->Load();
        }
        else
            m_preview->Reset();
    }
    if (m_fullPreviewShowing && m_fullPreviewStateType)
    {
        if (m_fullScreenPreview)
        {
            if (preview.exists())
            {
                m_fullScreenPreview->SetFilename(info->GetPreviewPath());
                m_fullScreenPreview->Load();
            }
            else
                m_fullScreenPreview->Reset();
        }

        if (m_fullScreenName)
            m_fullScreenName->SetText(info->GetName());
    }

    MythUIStateType *themeLocation =
                    dynamic_cast<MythUIStateType*>(GetChild("themelocation"));
    if (themeLocation)
    {
        if (info->GetDownloadURL().isEmpty())
            themeLocation->DisplayState("local");
        else
            themeLocation->DisplayState("remote");
    }

    MythUIStateType *aspectState =
                        dynamic_cast<MythUIStateType*>(GetChild("aspectstate"));
    if (aspectState)
        aspectState->DisplayState(info->GetAspect());
}

void ThemeChooser::removeTheme(void)
{
    MythUIButtonListItem *current = m_themes->GetItemCurrent();
    if (!current)
    {
        ShowOkPopup(tr("Error, no theme selected."));
        return;
    }

    ThemeInfo *info = qVariantValue<ThemeInfo *>(current->GetData());
    if (!info)
    {
        ShowOkPopup(tr("Error, unable to find current theme."));
        return;
    }

    QString themeDir = GetConfDir() + "/themes/";

    if (!info->GetPreviewPath().startsWith(themeDir))
    {
        ShowOkPopup(tr("%1 is not a user-installed theme and can not "
                       "be deleted.").arg(info->GetName()));
        return;
    }

    themeDir.append(info->GetDirectoryName());
    removeThemeDir(themeDir);

    ReloadInBackground();
}

void ThemeChooser::toggleFullscreenPreview(void)
{
    if (m_fullPreviewStateType)
    {
        if (m_fullPreviewShowing)
        {
            if (m_fullScreenPreview)
                m_fullScreenPreview->Reset();

            if (m_fullScreenName)
                m_fullScreenName->Reset();

            m_fullPreviewStateType->Reset();
            m_fullPreviewShowing = false;
        }
        else
        {
            MythUIButtonListItem *item = m_themes->GetItemCurrent();
            ThemeInfo *info = qVariantValue<ThemeInfo*>(item->GetData());
            if (info)
            {
                if (m_fullScreenPreview)
                {
                    m_fullScreenPreview->SetFilename(info->GetPreviewPath());
                    m_fullScreenPreview->Load();
                }

                if (m_fullScreenName)
                    m_fullScreenName->SetText(info->GetName());

                m_fullPreviewStateType->DisplayState("fullscreen");
                m_fullPreviewShowing = true;
            }
        }
    }
}

void ThemeChooser::showPopupMenu(void)
{
    if (m_popupMenu)
        return;

    MythScreenStack *popupStack = GetMythMainWindow()->GetStack("popup stack");
    QString label = tr("Theme Chooser Menu");

    m_popupMenu =
        new MythDialogBox(label, popupStack, "themechoosermenupopup");

    connect(m_popupMenu, SIGNAL(Closed(QString, int)), SLOT(popupClosed(QString, int)));

    if (m_popupMenu->Create())
        popupStack->AddScreen(m_popupMenu);
    else
    {
        delete m_popupMenu;
        m_popupMenu = NULL;
        return;
    }

    m_popupMenu->SetReturnEvent(this, "popupmenu");

    if (m_fullPreviewStateType)
    {
        if (m_fullPreviewShowing)
            m_popupMenu->AddButton(tr("Hide Fullscreen Preview"),
                                   SLOT(toggleFullscreenPreview()));
        else
            m_popupMenu->AddButton(tr("Show Fullscreen Preview"),
                                   SLOT(toggleFullscreenPreview()));
    }

    m_popupMenu->AddButton(tr("Refresh Downloadable Themes"),
                           SLOT(refreshDownloadableThemes()));

    MythUIButtonListItem *current = m_themes->GetItemCurrent();
    if (current)
    {
        ThemeInfo *info = qVariantValue<ThemeInfo *>(current->GetData());

        if (info)
        {
            m_popupMenu->AddButton(tr("Select Theme"),
                                   SLOT(saveAndReload()));

            QString themeDir = GetConfDir() + "/themes/";

            if (info->GetPreviewPath().startsWith(themeDir))
                m_popupMenu->AddButton(tr("Delete Theme"),
                                       SLOT(removeTheme()));
        }
    }

    if (gCoreContext->GetNumSetting("ThemeUpdateNofications", 1))
        m_popupMenu->AddButton(tr("Disable Theme Update Notifications"),
                               SLOT(toggleThemeUpdateNotifications()));
    else
        m_popupMenu->AddButton(tr("Enable Theme Update Notifications"),
                               SLOT(toggleThemeUpdateNotifications()));
}

void ThemeChooser::Init(void)
{
    QString curTheme = gCoreContext->GetSetting("Theme");
    ThemeInfo *themeinfo = NULL;
    ThemeInfo *curThemeInfo = NULL;
    MythUIButtonListItem *item = NULL;

    m_themes->Reset();
    for( QFileInfoList::iterator it =  m_infoList.begin();
                                 it != m_infoList.end();
                               ++it )
    {
        QFileInfo  &theme = *it;

        if (!m_themeFileNameInfos.contains(theme.filePath()))
            continue;

        themeinfo = m_themeFileNameInfos[theme.filePath()];
        if (!themeinfo)
            continue;

        QString buttonText = QString("%1 %2.%3")
                                .arg(themeinfo->GetName())
                                .arg(themeinfo->GetMajorVersion())
                                .arg(themeinfo->GetMinorVersion());

        item = new MythUIButtonListItem(m_themes, buttonText);
        if (item)
        {
            if (themeinfo->GetDownloadURL().isEmpty())
                item->DisplayState("local", "themelocation");
            else
                item->DisplayState("remote", "themelocation");

            item->DisplayState(themeinfo->GetAspect(), "aspectstate");

            item->DisplayState(m_themeStatuses[themeinfo->GetName()],
                               "themestatus");
            QHash<QString, QString> infomap;
            themeinfo->ToMap(infomap);
            item->SetTextFromMap(infomap);
            item->SetData(qVariantFromValue(themeinfo));

            QString thumbnail = themeinfo->GetPreviewPath();
            QFileInfo fInfo(thumbnail);
            // Downloadable themeinfos have thumbnail copies of their preview images
            if (!themeinfo->GetDownloadURL().isEmpty())
                thumbnail = thumbnail.append(".thumb.jpg");
            item->SetImage(thumbnail);

            if (curTheme == themeinfo->GetDirectoryName())
                curThemeInfo = themeinfo;
        }
        else
            delete item;
    }

    SetFocusWidget(m_themes);

    if (curThemeInfo)
        m_themes->SetValueByData(qVariantFromValue(curThemeInfo));

    MythUIButtonListItem *current = m_themes->GetItemCurrent();
    if (current)
        itemChanged(current);
}

//.........这里部分代码省略.........
        dir.mkpath(destdir);
        bool result = GetMythDownloadManager()->download(url, remoteThemesFile);

        SetBusyPopupMessage(tr("Extracting Downloadable Themes Information"));

        if (!result || !extractZIP(remoteThemesFile, destdir))
        {
            QFile::remove(remoteThemesFile);

            downloadFailures++;
            gCoreContext->SaveSetting("ThemeInfoDownloadFailures",
                                      downloadFailures);
        }
    }

    QDir remoteThemesDir(GetMythUI()->GetThemeCacheDir()
                             .append("/themechooser/").append(MythVersion));

    if ((QFile::exists(remoteThemesFile)) &&
        (remoteThemesDir.exists()))
    {
        SetBusyPopupMessage(tr("Loading Downloadable Themes"));

        LOG(VB_GUI, LOG_INFO, LOC +
            QString("%1 and %2 exist, using cached remote themes list")
                .arg(remoteThemesFile).arg(remoteThemesDir.absolutePath()));

        QString themesPath = remoteThemesDir.absolutePath();
        themes.setPath(themesPath);

        QFileInfoList downloadableThemes = themes.entryInfoList();
        for( QFileInfoList::iterator it =  downloadableThemes.begin();
                                     it != downloadableThemes.end();
                                   ++it )
        {
            QString dirName = (*it).fileName();
            QString themeName = dirName;
            QString remoteDir = themeSite;
            remoteDir.append("/").append(dirName);
            QString localDir = themes.absolutePath();
            localDir.append("/").append(dirName);

            if (themesSeen.contains(dirName))
            {
                ThemeInfo remoteTheme((*it).absoluteFilePath());
                ThemeInfo *localTheme = m_themeNameInfos[dirName];

                themeName = remoteTheme.GetName();

                int rmtMaj = remoteTheme.GetMajorVersion();
                int rmtMin = remoteTheme.GetMinorVersion();
                int locMaj = localTheme->GetMajorVersion();
                int locMin = localTheme->GetMinorVersion();

                if ((rmtMaj > locMaj) ||
                    ((rmtMaj == locMaj) &&
                     (rmtMin > locMin)))
                {
                    if (loadThemeInfo(*it))
                    {
                        m_infoList << *it;
                        m_themeStatuses[themeName] = "updateavailable";

                        QFileInfo finfo(remoteTheme.GetPreviewPath());
                        GetMythDownloadManager()->queueDownload(
                            remoteDir.append("/").append(finfo.fileName()),
                            localDir.append("/").append(finfo.fileName()),
                            NULL);
                    }
                }
                else if ((rmtMaj == locMaj) &&
                         (rmtMin == locMin))
                {
                    m_themeStatuses[themeName] = "uptodate";
                }
            }
            else
            {
                ThemeInfo *remoteTheme = loadThemeInfo(*it);
                if (remoteTheme)
                {
                    themeName = remoteTheme->GetName();
                    themesSeen << dirName;
                    m_infoList << *it;
                    m_themeStatuses[themeName] = "updateavailable";

                    QFileInfo finfo(remoteTheme->GetPreviewPath());
                    GetMythDownloadManager()->queueDownload(
                        remoteDir.append("/").append(finfo.fileName()),
                        localDir.append("/").append(finfo.fileName()),
                        NULL);
                }
            }
        }
    }

    ResetBusyPopup();

    qSort(m_infoList.begin(), m_infoList.end(), sortThemeNames);
}