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Commit	Line	Data
	1	#ifndef PKGLIB_IPROGRESS_H
	2	#define PKGLIB_IPROGRESS_H
	3
	4	#include <apt-pkg/macros.h>
	5
	6	#include <string>
	7	#include <unistd.h>
	8	#include <signal.h>
	9	#include <vector>
	10
	11	namespace APT {
	12	namespace Progress {
	13
	14	class PackageManager;
	15	PackageManager* PackageManagerProgressFactory();
	16
	17	class PackageManager
	18	{
	19	private:
	20	/** \brief dpointer placeholder */
	21	void *d;
	22
	23	protected:
	24	std::string progress_str;
	25	float percentage;
	26	int last_reported_progress;
	27
	28	public:
	29	PackageManager()
	30	: percentage(0.0), last_reported_progress(-1) {};
	31	virtual ~PackageManager() {};
	32
	33	/* Global Start/Stop */
	34	virtual void Start(int /child_pty/=-1) {};
	35	virtual void Stop() {};
	36
	37	/* When dpkg is invoked (may happen multiple times for each
	38	* install/remove block
	39	*/
	40	virtual void StartDpkg() {};
	41
	42	virtual pid_t fork() {return fork(); };
	43
	44	virtual void Pulse() {};
	45	virtual long GetPulseInterval() {
	46	return 500000;
	47	};
	48
	49	virtual bool StatusChanged(std::string PackageName,
	50	unsigned int StepsDone,
	51	unsigned int TotalSteps,
	52	std::string HumanReadableAction);
	53	virtual void Error(std::string /PackageName/,
	54	unsigned int /StepsDone/,
	55	unsigned int /TotalSteps/,
	56	std::string /ErrorMessage/) {}
	57	virtual void ConffilePrompt(std::string /PackageName/,
	58	unsigned int /StepsDone/,
	59	unsigned int /TotalSteps/,
	60	std::string /ConfMessage/) {}
	61	};
	62
	63	class PackageManagerProgressFd : public PackageManager
	64	{
	65	protected:
	66	int OutStatusFd;
	67	int StepsDone;
	68	int StepsTotal;
	69	void WriteToStatusFd(std::string msg);
	70
	71	public:
	72	PackageManagerProgressFd(int progress_fd);
	73
	74	virtual void StartDpkg();
	75	virtual void Stop();
	76
	77	virtual bool StatusChanged(std::string PackageName,
	78	unsigned int StepsDone,
	79	unsigned int TotalSteps,
	80	std::string HumanReadableAction);
	81	virtual void Error(std::string PackageName,
	82	unsigned int StepsDone,
	83	unsigned int TotalSteps,
	84	std::string ErrorMessage);
	85	virtual void ConffilePrompt(std::string PackageName,
	86	unsigned int StepsDone,
	87	unsigned int TotalSteps,
	88	std::string ConfMessage);
	89
	90	};
	91
	92	class PackageManagerProgressDeb822Fd : public PackageManager
	93	{
	94	protected:
	95	int OutStatusFd;
	96	int StepsDone;
	97	int StepsTotal;
	98	void WriteToStatusFd(std::string msg);
	99
	100	public:
	101	PackageManagerProgressDeb822Fd(int progress_fd);
	102
	103	virtual void StartDpkg();
	104	virtual void Stop();
	105
	106	virtual bool StatusChanged(std::string PackageName,
	107	unsigned int StepsDone,
	108	unsigned int TotalSteps,
	109	std::string HumanReadableAction);
	110	virtual void Error(std::string PackageName,
	111	unsigned int StepsDone,
	112	unsigned int TotalSteps,
	113	std::string ErrorMessage);
	114	virtual void ConffilePrompt(std::string PackageName,
	115	unsigned int StepsDone,
	116	unsigned int TotalSteps,
	117	std::string ConfMessage);
	118	};
	119
	120	class PackageManagerFancy : public PackageManager
	121	{
	122	private:
	123	static void staticSIGWINCH(int);
	124	static std::vector<PackageManagerFancy*> instances;
	125	APT_HIDDEN bool DrawStatusLine();
	126
	127	protected:
	128	void SetupTerminalScrollArea(int nr_rows);
	129	void HandleSIGWINCH(int);
	130
	131	typedef struct {
	132	int rows;
	133	int columns;
	134	} TermSize;
	135	TermSize GetTerminalSize();
	136
	137	sighandler_t old_SIGWINCH;
	138	int child_pty;
	139
	140	public:
	141	PackageManagerFancy();
	142	~PackageManagerFancy();
	143	virtual void Start(int child_pty=-1);
	144	virtual void Stop();
	145	virtual bool StatusChanged(std::string PackageName,
	146	unsigned int StepsDone,
	147	unsigned int TotalSteps,
	148	std::string HumanReadableAction);
	149
	150	// return a progress bar of the given size for the given progress
	151	// percent between 0.0 and 1.0 in the form "[####...]"
	152	static std::string GetTextProgressStr(float percent, int OutputSize);
	153	};
	154
	155	class PackageManagerText : public PackageManager
	156	{
	157	public:
	158	virtual bool StatusChanged(std::string PackageName,
	159	unsigned int StepsDone,
	160	unsigned int TotalSteps,
	161	std::string HumanReadableAction);
	162	};
	163
	164
	165	} // namespace Progress
	166	} // namespace APT
	167
	168	#endif