[apps/code] Add a model program

Change-Id: I79b74f1f245d98d1ce02a590ee25de2c4fbb3c59

apps/code/Makefile

@@ -2,6 +2,7 @@ app_objs += $(addprefix apps/code/,\
   app.o\
   editor_controller.o\
   menu_controller.o\
+  program.o\
 )
 
 app_images += apps/code/code_icon.png

apps/code/app.cpp

@@ -18,6 +18,11 @@ const Image * App::Descriptor::icon() {
   return ImageStore::CodeIcon;
 }
 
+App::Snapshot::Snapshot() :
+  m_program()
+{
+}
+
 App * App::Snapshot::unpack(Container * container) {
   return new App(container, this);
 }
@@ -27,6 +32,14 @@ App::Descriptor * App::Snapshot::descriptor() {
   return &descriptor;
 }
 
+void App::Snapshot::reset() {
+  m_program.setContent("");
+}
+
+Program * App::Snapshot::program() {
+  return &m_program;
+}
+
 App::App(Container * container, Snapshot * snapshot) :
   ::App(container, snapshot, &m_menuController, I18n::Message::Warning),
   m_betaVersionController(I18n::Message::BetaVersion, I18n::Message::BetaVersionMessage1, I18n::Message::BetaVersionMessage2, I18n::Message::BetaVersionMessage3, I18n::Message::BetaVersionMessage4),

apps/code/app.h

@@ -3,6 +3,7 @@
 
 #include <escher.h>
 #include "menu_controller.h"
+#include "program.h"
 #include "../shared/message_controller.h"
 
 namespace Code {
@@ -17,12 +18,14 @@ public:
   };
   class Snapshot : public ::App::Snapshot {
   public:
+    Snapshot();
     App * unpack(Container * container) override;
+    void reset() override;
     Descriptor * descriptor() override;
+    Program * program();
+  private:
+    Program m_program;
   };
-  //int numberOfTimers() override;
-  //Timer * timerAtIndex(int i) override;
-  //bool processEvent(Ion::Events::Event) override;
   void didBecomeActive(Window * window) override;
 private:
   App(Container * container, Snapshot * snapshot);

apps/code/program.cpp

@@ -0,0 +1,35 @@
+#include "program.h"
+
+namespace Code {
+
+Program::Program() :
+  m_buffer("")
+{
+  const char * program =
+
+  "import kandinsky\n"
+"red = kandinsky.color(255,0,0)\n"
+"blue = kandinsky.color(0,0,255)\n"
+"for i in range(100):\n"
+"  for j in range(100):\n"
+"    if ((i+j)%2 == 0):\n"
+"      kandinsky.set_pixel(i, j, red)\n"
+"    else:\n"
+"      kandinsky.set_pixel(i, j, blue)\n";
+
+   memcpy(m_buffer, program, 1024);
+}
+
+const char * Program::readOnlyContent() const {
+  return m_buffer;
+}
+
+char * Program::editableContent() {
+  return m_buffer;
+}
+
+void Program::setContent(const char * program) {
+  memcpy(m_buffer, program, k_bufferSize);
+}
+
+}

apps/code/program.h

@@ -0,0 +1,22 @@
+#ifndef CODE_PROGRAM_H
+#define CODE_PROGRAM_H
+
+#include <escher.h>
+
+namespace Code {
+
+class Program {
+public:
+  Program();
+  const char * readOnlyContent() const;
+  char * editableContent();
+  void setContent(const char * program);
+private:
+  constexpr static int k_bufferSize = 1024;
+  char m_buffer[k_bufferSize];
+};
+
+}
+
+#endif
+