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+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef UPDATERWINDOW_H
+#define UPDATERWINDOW_H
+
+#include "gui/widgets/window.h"
+
+#include "net/download.h"
+
+#include "utils/mutex.h"
+
+#include <guichan/actionlistener.hpp>
+#include <guichan/keylistener.hpp>
+
+#include <string>
+#include <vector>
+
+class BrowserBox;
+class Button;
+class ProgressBar;
+class ResourceManager;
+class ScrollArea;
+
+struct updateFile
+{
+ public:
+ std::string name;
+ std::string hash;
+ std::string type;
+ bool required;
+ std::string desc;
+};
+
+/**
+ * Update progress window GUI
+ *
+ * \ingroup GUI
+ */
+class UpdaterWindow : public Window, public gcn::ActionListener,
+ public gcn::KeyListener
+{
+ public:
+ /**
+ * Constructor.
+ *
+ * @param updateHost Host where to get the updated files.
+ * @param updatesDir Directory where to store updates (should be absolute
+ * and already created).
+ * @param applyUpdates If true, the update window will pass the updates to teh
+ * resource manager
+ */
+ UpdaterWindow(const std::string &updateHost,
+ const std::string &updatesDir,
+ bool applyUpdates, int updateType);
+
+ /**
+ * Destructor
+ */
+ ~UpdaterWindow();
+
+ /**
+ * Set's progress bar status
+ */
+ void setProgress(float p);
+
+ /**
+ * Set's label above progress
+ */
+ void setLabel(const std::string &);
+
+ /**
+ * Enables play button
+ */
+ void enable();
+
+ /**
+ * Loads and display news. Assumes the news file contents have been loaded
+ * into the memory buffer.
+ */
+ void loadNews();
+
+ void loadPatch();
+
+ void action(const gcn::ActionEvent &event);
+
+ void keyPressed(gcn::KeyEvent &keyEvent);
+
+ void logic();
+
+ static void loadLocalUpdates(std::string dir);
+
+ static void addUpdateFile(ResourceManager *resman, std::string path,
+ std::string fixPath, std::string file,
+ bool append);
+
+ int updateState;
+
+private:
+ void download();
+
+ /**
+ * Loads the updates this window has gotten into the resource manager
+ */
+ void loadUpdates();
+
+
+ /**
+ * A download callback for progress updates.
+ */
+ static int updateProgress(void *ptr, DownloadStatus status,
+ size_t dt, size_t dn);
+
+ /**
+ * A libcurl callback for writing to memory.
+ */
+ static size_t memoryWrite(void *ptr, size_t size, size_t nmemb,
+ void *stream);
+
+ bool validateFile(std::string filePath, unsigned long hash);
+
+ enum UpdateDownloadStatus
+ {
+ UPDATE_ERROR = 0,
+ UPDATE_IDLE,
+ UPDATE_LIST,
+ UPDATE_COMPLETE,
+ UPDATE_NEWS,
+ UPDATE_RESOURCES,
+ UPDATE_PATCH
+ };
+
+ /** Status of the current download. */
+ UpdateDownloadStatus mDownloadStatus;
+
+ /** Host where we get the updated files. */
+ std::string mUpdateHost;
+
+ /** Place where the updates are stored (absolute path). */
+ std::string mUpdatesDir;
+
+ /** The file currently downloading. */
+ std::string mCurrentFile;
+
+ /** The new label caption to be set in the logic method. */
+ std::string mNewLabelCaption;
+
+ /** The new progress value to be set in the logic method. */
+ float mDownloadProgress;
+
+ /** The mutex used to guard access to mNewLabelCaption and mDownloadProgress. */
+ Mutex mDownloadMutex;
+
+ /** The Adler32 checksum of the file currently downloading. */
+ unsigned long mCurrentChecksum;
+
+ /** A flag to indicate whether to use a memory buffer or a regular file. */
+ bool mStoreInMemory;
+
+ /** Flag that show if current download is complete. */
+ bool mDownloadComplete;
+
+ /** Flag that show if the user has canceled the update. */
+ bool mUserCancel;
+
+ /** Byte count currently downloaded in mMemoryBuffer. */
+ int mDownloadedBytes;
+
+ /** Buffer for files downloaded to memory. */
+ char *mMemoryBuffer;
+
+ /** Download handle. */
+ Net::Download *mDownload;
+
+ /** List of files to download. */
+ std::vector<updateFile> mUpdateFiles;
+
+ /** Index of the file to be downloaded. */
+ unsigned int mUpdateIndex;
+
+ /** Tells ~UpdaterWindow() if it should load updates */
+ bool mLoadUpdates;
+
+ int mUpdateType;
+
+ gcn::Label *mLabel; /**< Progress bar caption. */
+ Button *mCancelButton; /**< Button to stop the update process. */
+ Button *mPlayButton; /**< Button to start playing. */
+ ProgressBar *mProgressBar; /**< Update progress bar. */
+ BrowserBox *mBrowserBox; /**< Box to display news. */
+ ScrollArea *mScrollArea; /**< Used to scroll news box. */
+};
+
+#endif