first proof-of-concept for a fix for #731738

[apt.git] / apt-pkg / install-progress.h

diff --git a/apt-pkg/install-progress.h b/apt-pkg/install-progress.h
index 9c31eac928ebf0c7ad0f0e70dcdcf571a582a0a7..010be82fd63aa9e1960e487e9b8254cc6214be98 100644 (file)
--- a/apt-pkg/install-progress.h
+++ b/apt-pkg/install-progress.h
@@ -3,11 +3,14 @@
 
 #include <string>
 #include <unistd.h>
-
+#include <signal.h>
 
 namespace APT {
 namespace Progress {
 
+ class PackageManager;
+ PackageManager* PackageManagerProgressFactory();
+
  class PackageManager
  {
  private:
@@ -24,9 +27,15 @@ namespace Progress {
        : percentage(0.0), last_reported_progress(-1) {};
     virtual ~PackageManager() {};
 
-    virtual void Start() {};
+    /* 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() {};
@@ -59,7 +68,7 @@ namespace Progress {
  public:
     PackageManagerProgressFd(int progress_fd);
 
-    virtual void Start();
+    virtual void StartDpkg();
     virtual void Stop();
 
     virtual bool StatusChanged(std::string PackageName, 
@@ -88,7 +97,7 @@ namespace Progress {
  public:
     PackageManagerProgressDeb822Fd(int progress_fd);
 
-    virtual void Start();
+    virtual void StartDpkg();
     virtual void Stop();
 
     virtual bool StatusChanged(std::string PackageName, 
@@ -108,12 +117,15 @@ namespace Progress {
  class PackageManagerFancy : public PackageManager
  {
  protected:
-    int nr_terminal_rows;
-    void SetupTerminalScrollArea(int nr_rows);
+    static void SetupTerminalScrollArea(int nr_rows);
+    static int GetNumberTerminalRows();
+    static void HandleSIGWINCH(int);
+    sighandler_t old_SIGWINCH;
 
  public:
     PackageManagerFancy();
-    virtual void Start();
+    ~PackageManagerFancy();
+    virtual void Start(int child_pty=-1);
     virtual void Stop();
     virtual bool StatusChanged(std::string PackageName, 
                                unsigned int StepsDone,