1 files changed, 176 insertions, 0 deletions
diff --git a/apt-pkg/install-progress.h b/apt-pkg/install-progress.h
new file mode 100644
index 000000000..b5c133676
--- /dev/null
+++ b/apt-pkg/install-progress.h
@@ -0,0 +1,176 @@
+#ifndef PKGLIB_IPROGRESS_H
+#define PKGLIB_IPROGRESS_H
+
+#include <apt-pkg/macros.h>
+
+#include <string>
+#include <unistd.h>
+#include <signal.h>
+#include <vector>
+
+namespace APT {
+namespace Progress {
+
+ class PackageManager;
+ PackageManager* PackageManagerProgressFactory();
+
+ class PackageManager
+ {
+ private:
+    /** \brief dpointer placeholder */
+    void * const d;
+
+ protected:
+    std::string progress_str;
+    float percentage;
+    int last_reported_progress;
+
+ public:
+    PackageManager();
+    virtual ~PackageManager();
+
+    /* Global Start/Stop */
+    virtual void Start(int /*child_pty*/=-1) {};
+    virtual void Stop() {};
+
+    /* When dpkg is invoked (may happen multiple times for each
+     * install/remove block
+    */
+    virtual void StartDpkg() {};
+
+    virtual pid_t fork() {return ::fork(); };
+
+    virtual void Pulse() {};
+    virtual long GetPulseInterval() {
+         return 50000000;
+    };
+
+    virtual bool StatusChanged(std::string PackageName,
+                               unsigned int StepsDone,
+                               unsigned int TotalSteps,
+                               std::string HumanReadableAction);
+    virtual void Error(std::string /*PackageName*/,
+                       unsigned int /*StepsDone*/,
+                       unsigned int /*TotalSteps*/,
+                       std::string /*ErrorMessage*/) {}
+    virtual void ConffilePrompt(std::string /*PackageName*/,
+                                unsigned int /*StepsDone*/,
+                                unsigned int /*TotalSteps*/,
+                                std::string /*ConfMessage*/) {}
+ };
+
+ class PackageManagerProgressFd : public PackageManager
+ {
+    void * const d;
+ protected:
+    int OutStatusFd;
+    int StepsDone;
+    int StepsTotal;
+    void WriteToStatusFd(std::string msg);
+
+ public:
+    explicit PackageManagerProgressFd(int progress_fd);
+    virtual ~PackageManagerProgressFd();
+
+    virtual void StartDpkg() APT_OVERRIDE;
+    virtual void Stop() APT_OVERRIDE;
+
+    virtual bool StatusChanged(std::string PackageName,
+                               unsigned int StepsDone,
+                               unsigned int TotalSteps,
+                               std::string HumanReadableAction) APT_OVERRIDE;
+    virtual void Error(std::string PackageName,
+                       unsigned int StepsDone,
+                       unsigned int TotalSteps,
+                          std::string ErrorMessage) APT_OVERRIDE;
+    virtual void ConffilePrompt(std::string PackageName,
+                                unsigned int StepsDone,
+                                unsigned int TotalSteps,
+                                   std::string ConfMessage) APT_OVERRIDE;
+
+ };
+
+ class PackageManagerProgressDeb822Fd : public PackageManager
+ {
+    void * const d;
+ protected:
+    int OutStatusFd;
+    int StepsDone;
+    int StepsTotal;
+    void WriteToStatusFd(std::string msg);
+
+ public:
+    explicit PackageManagerProgressDeb822Fd(int progress_fd);
+    virtual ~PackageManagerProgressDeb822Fd();
+
+    virtual void StartDpkg() APT_OVERRIDE;
+    virtual void Stop() APT_OVERRIDE;
+
+    virtual bool StatusChanged(std::string PackageName,
+                               unsigned int StepsDone,
+                               unsigned int TotalSteps,
+                               std::string HumanReadableAction) APT_OVERRIDE;
+    virtual void Error(std::string PackageName,
+                       unsigned int StepsDone,
+                       unsigned int TotalSteps,
+                          std::string ErrorMessage) APT_OVERRIDE;
+    virtual void ConffilePrompt(std::string PackageName,
+                                unsigned int StepsDone,
+                                unsigned int TotalSteps,
+                                   std::string ConfMessage) APT_OVERRIDE;
+ };
+
+ class PackageManagerFancy : public PackageManager
+ {
+    void * const d;
+ private:
+    APT_HIDDEN static void staticSIGWINCH(int);
+    static std::vector<PackageManagerFancy*> instances;
+    APT_HIDDEN bool DrawStatusLine();
+
+ protected:
+    void SetupTerminalScrollArea(int nr_rows);
+    void HandleSIGWINCH(int);
+
+    typedef struct {
+       int rows;
+       int columns;
+    } TermSize;
+    TermSize GetTerminalSize();
+
+    sighandler_t old_SIGWINCH;
+    int child_pty;
+
+ public:
+    PackageManagerFancy();
+    virtual ~PackageManagerFancy();
+    virtual void Start(int child_pty=-1) APT_OVERRIDE;
+    virtual void Stop() APT_OVERRIDE;
+    virtual bool StatusChanged(std::string PackageName,
+                               unsigned int StepsDone,
+                               unsigned int TotalSteps,
+                               std::string HumanReadableAction) APT_OVERRIDE;
+
+    // return a progress bar of the given size for the given progress 
+    // percent between 0.0 and 1.0 in the form "[####...]"
+    static std::string GetTextProgressStr(float percent, int OutputSize);
+ };
+
+ class PackageManagerText : public PackageManager
+ {
+    void * const d;
+ public:
+    virtual bool StatusChanged(std::string PackageName,
+                               unsigned int StepsDone,
+                               unsigned int TotalSteps,
+                               std::string HumanReadableAction) APT_OVERRIDE;
+
+    PackageManagerText();
+    virtual ~PackageManagerText();
+ };
+
+
+} // namespace Progress
+} // namespace APT
+
+#endif