Diff: system.hpp

Revision:

0:1324e7d9d471

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/system.hpp	Mon Mar 07 22:51:19 2011 +0000
@@ -0,0 +1,60 @@
+#ifndef _SYSTEM_HPP
+#define _SYSTEM_HPP
+
+#include "key_handler.hpp"
+#include <string>
+
+class State;
+class DisplayManager;
+class KeyboardManager;
+class DtmfGenerator;
+
+
+class System : public KeyHandler {
+public:
+    enum StateId { 
+        Init, Edit, Command, Sending,
+        NumStates
+    };
+
+    System(DisplayManager *display, KeyboardManager *keyboard, DtmfGenerator *dtmf);
+
+    DisplayManager *display() { return this->display_; }
+    KeyboardManager *keyboard() { return this->keyboard_; }
+    DtmfGenerator *dtmf() { return this->dtmf_; }
+        
+    void registerState(StateId id, State *state);
+    void unregisterState(State *state);
+    
+    void setState(StateId newState);
+    State * state() const { return this->state_; }
+
+    void insertSymbol(char ch);
+    void deleteCurrentSymbol();
+    void clearText();
+    const std::string &text() const { return this->text_; }
+    std::size_t text_size() const { return this->len_; }
+    
+    void moveCursorTo(int pos);
+    void moveCursorBy(int delta);
+    std::size_t cursor() const { return this->pos_; }
+    
+    // KeyHandler implementation
+    virtual void handleKey(char ch);
+     
+private:
+    void setCursorPosition(int pos);
+    
+    DisplayManager *display_;
+    KeyboardManager *keyboard_;
+    DtmfGenerator *dtmf_;
+
+    State *state_;
+    State *states_[NumStates];
+
+    std::string text_;
+    std::size_t len_;
+    std::size_t pos_;
+};
+
+#endif