Android version compiles, links, launches, and receives commands.

Still need to implement window creation and drawing.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11349 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

3 files changed, 260 insertions, 8 deletions

diff --git a/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.H b/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.H
index f0e0efdd0..e9b10fb5a 100644
--- a/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.H
+++ b/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.H
@@ -27,13 +27,31 @@
 
 #include "../Pico/Fl_Pico_Screen_Driver.H"
 
+#include <jni.h>
+#include <errno.h>
+
+#include <android/sensor.h>
+#include <android/log.h>
+#include <android_native_app_glue.h>
+
+
 
 class FL_EXPORT Fl_PicoAndroid_Screen_Driver : public Fl_Pico_Screen_Driver
 {
+  struct android_app* pApp;
+
+  static void handleAppCmdCB(struct android_app* app, int32_t cmd);
+  void handleAppCmd(struct android_app* app, int32_t cmd);
+  static int32_t handleInputEventCB(struct android_app* app, AInputEvent* event);
+  int32_t handleInputEvent(struct android_app* app, AInputEvent* event);
+
 public:
   Fl_PicoAndroid_Screen_Driver();
   virtual ~Fl_PicoAndroid_Screen_Driver();
   virtual double wait(double time_to_wait);
+  
+public:
+  void android_main(struct android_app* state);
 };
 
 
diff --git a/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx b/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx
index ec134f5cb..670c998f9 100644
--- a/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx
+++ b/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx
@@ -20,11 +20,198 @@
 #include "../../config_lib.h"
 #include "Fl_PicoAndroid_Screen_Driver.H"
 
+#include <EGL/egl.h>
+#include <GLES/gl.h>
+
+#include <FL/x.H>
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Double_Window.H>
 #include <FL/Fl_Window_Driver.H>
+#include <FL/Fl_Image_Surface.H>
+#include <FL/Fl_Graphics_Driver.H>
+
+
+#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "native-activity", __VA_ARGS__))
+#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "native-activity", __VA_ARGS__))
 
-//#define __APPLE__
-//#include <SDL2/SDL.h>
-//#undef __APPLE__
+
+void Fl_PicoAndroid_Screen_Driver::handleAppCmdCB(struct android_app* app, int32_t cmd)
+{
+  Fl_PicoAndroid_Screen_Driver *This = (Fl_PicoAndroid_Screen_Driver*)(app->userData);
+  This->handleAppCmd(app, cmd);
+}
+
+
+void Fl_PicoAndroid_Screen_Driver::handleAppCmd(struct android_app* app, int32_t cmd)
+{
+  LOGI("CMD %d", cmd);
+//  struct engine* engine = (struct engine*)app->userData;
+  switch (cmd) {
+    case APP_CMD_SAVE_STATE:
+      // The system has asked us to save our current state.  Do so.
+//      engine->app->savedState = malloc(sizeof(struct saved_state));
+//      *((struct saved_state*)engine->app->savedState) = engine->state;
+//      engine->app->savedStateSize = sizeof(struct saved_state);
+      break;
+    case APP_CMD_INIT_WINDOW:
+      // The window is being shown, get it ready.
+//      if (engine->app->window != NULL) {
+//        engine_init_display(engine);
+//        engine_draw_frame(engine);
+//      }
+      break;
+    case APP_CMD_TERM_WINDOW:
+      // The window is being hidden or closed, clean it up.
+//      engine_term_display(engine);
+      break;
+    case APP_CMD_GAINED_FOCUS:
+      // When our app gains focus, we start monitoring the accelerometer.
+//      if (engine->accelerometerSensor != NULL) {
+//        ASensorEventQueue_enableSensor(engine->sensorEventQueue,
+//                                       engine->accelerometerSensor);
+//        // We'd like to get 60 events per second (in us).
+//        ASensorEventQueue_setEventRate(engine->sensorEventQueue,
+//                                       engine->accelerometerSensor, (1000L/60)*1000);
+//      }
+      break;
+    case APP_CMD_LOST_FOCUS:
+      // When our app loses focus, we stop monitoring the accelerometer.
+      // This is to avoid consuming battery while not being used.
+//      if (engine->accelerometerSensor != NULL) {
+//        ASensorEventQueue_disableSensor(engine->sensorEventQueue,
+//                                        engine->accelerometerSensor);
+//      }
+//      // Also stop animating.
+//      engine->animating = 0;
+//      engine_draw_frame(engine);
+      break;
+  }
+}
+
+
+int32_t Fl_PicoAndroid_Screen_Driver::handleInputEventCB(struct android_app* app, AInputEvent* event)
+{
+  Fl_PicoAndroid_Screen_Driver *This = (Fl_PicoAndroid_Screen_Driver*)(app->userData);
+  This->handleInputEvent(app, event);
+}
+
+
+int32_t Fl_PicoAndroid_Screen_Driver::handleInputEvent(struct android_app* app, AInputEvent* event)
+{
+  if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
+    int x = AMotionEvent_getX(event, 0);
+    int y = AMotionEvent_getY(event, 0);
+    LOGI("Motion at %d, %d", x, y);
+    return 1;
+  }
+  return 0;
+}
+
+
+extern int main(int argc, const char **argv);
+
+void android_main(struct android_app* state)
+{
+  LOGI("Android Main call");
+  Fl_PicoAndroid_Screen_Driver *This = (Fl_PicoAndroid_Screen_Driver*)Fl::screen_driver();
+  This->android_main(state);
+  static const char *argv[1] = { "native-activity" };
+  main(1, argv);
+}
+
+/**
+ * This is the main entry point of a native application that is using
+ * android_native_app_glue.  It runs in its own thread, with its own
+ * event loop for receiving input events and doing other things.
+ */
+void Fl_PicoAndroid_Screen_Driver::android_main(struct android_app* state)
+{
+  app_dummy();
+
+  pApp = state;
+  pApp->userData = this;
+  pApp->onAppCmd = handleAppCmdCB;
+  pApp->onInputEvent = handleInputEventCB;
+
+
+#if 0
+  struct engine engine;
+
+  // Make sure glue isn't stripped.
+  app_dummy();
+
+  memset(&engine, 0, sizeof(engine));
+  state->userData = &engine;
+  state->onAppCmd = engine_handle_cmd;
+  state->onInputEvent = engine_handle_input;
+  engine.app = state;
+
+  // Prepare to monitor accelerometer
+  engine.sensorManager = ASensorManager_getInstance();
+  engine.accelerometerSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
+                                                               ASENSOR_TYPE_ACCELEROMETER);
+  engine.sensorEventQueue = ASensorManager_createEventQueue(engine.sensorManager,
+                                                            state->looper, LOOPER_ID_USER, NULL, NULL);
+
+  if (state->savedState != NULL) {
+    // We are starting with a previous saved state; restore from it.
+    engine.state = *(struct saved_state*)state->savedState;
+  }
+
+  // loop waiting for stuff to do.
+
+  while (1) {
+    // Read all pending events.
+    int ident;
+    int events;
+    struct android_poll_source* source;
+
+    // If not animating, we will block forever waiting for events.
+    // If animating, we loop until all events are read, then continue
+    // to draw the next frame of animation.
+    while ((ident=ALooper_pollAll(engine.animating ? 0 : -1, NULL, &events,
+                                  (void**)&source)) >= 0) {
+
+      // Process this event.
+      if (source != NULL) {
+        source->process(state, source);
+      }
+
+      // If a sensor has data, process it now.
+      if (ident == LOOPER_ID_USER) {
+        if (engine.accelerometerSensor != NULL) {
+          ASensorEvent event;
+          while (ASensorEventQueue_getEvents(engine.sensorEventQueue,
+                                             &event, 1) > 0) {
+            LOGI("accelerometer: x=%f y=%f z=%f",
+                 event.acceleration.x, event.acceleration.y,
+                 event.acceleration.z);
+          }
+        }
+      }
+
+      // Check if we are exiting.
+      if (state->destroyRequested != 0) {
+        engine_term_display(&engine);
+        return;
+      }
+    }
+
+    if (engine.animating) {
+      // Done with events; draw next animation frame.
+      engine.state.angle += .01f;
+      if (engine.state.angle > 1) {
+        engine.state.angle = 0;
+      }
+
+      // Drawing is throttled to the screen update rate, so there
+      // is no need to do timing here.
+      engine_draw_frame(&engine);
+    }
+  }
+#endif
+}
 
 
 Fl_Screen_Driver* Fl_Screen_Driver::newScreenDriver()
@@ -72,16 +259,59 @@ double Fl_PicoAndroid_Screen_Driver::wait(double time_to_wait)
 //
 //    }
 //  }
+    // Read all pending events.
+    int ident;
+    int events;
+    struct android_poll_source* source;
+
+    // If not animating, we will block forever waiting for events.
+    // If animating, we loop until all events are read, then continue
+    // to draw the next frame of animation.
+    // int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData)
+    if ((ident=ALooper_pollAll(0, NULL, &events, (void**)&source)) >= 0) {
+
+      // Process this event.
+      if (source != NULL) {
+        source->process(pApp, source);
+      }
+
+      // If a sensor has data, process it now.
+//      if (ident == LOOPER_ID_USER) {
+//        if (engine.accelerometerSensor != NULL) {
+//          ASensorEvent event;
+//          while (ASensorEventQueue_getEvents(engine.sensorEventQueue,
+//                                             &event, 1) > 0) {
+//            LOGI("accelerometer: x=%f y=%f z=%f",
+//                 event.acceleration.x, event.acceleration.y,
+//                 event.acceleration.z);
+//          }
+//        }
+//      }
+
+      // Check if we are exiting.
+//      if (state->destroyRequested != 0) {
+//        engine_term_display(&engine);
+//        return;
+//      }
+    }
+
+//    if (engine.animating) {
+//      // Done with events; draw next animation frame.
+//      engine.state.angle += .01f;
+//      if (engine.state.angle > 1) {
+//        engine.state.angle = 0;
+//      }
+//
+//      // Drawing is throttled to the screen update rate, so there
+//      // is no need to do timing here.
+//      engine_draw_frame(&engine);
+//    }
+//  }
   return 0.0;
 }
 
 
 
-#include <FL/x.H>
-#include <FL/Fl.H>
-#include <FL/Fl_Image_Surface.H>
-#include <FL/Fl_Double_Window.H>
-#include <FL/Fl_Graphics_Driver.H>
 
 /*
  * The following code should not be here! 
diff --git a/src/drivers/PicoAndroid/Fl_PicoAndroid_Window_Driver.cxx b/src/drivers/PicoAndroid/Fl_PicoAndroid_Window_Driver.cxx
index fc0afc339..34001a695 100644
--- a/src/drivers/PicoAndroid/Fl_PicoAndroid_Window_Driver.cxx
+++ b/src/drivers/PicoAndroid/Fl_PicoAndroid_Window_Driver.cxx
@@ -19,7 +19,11 @@
 
 #include "../../config_lib.h"
 #include "Fl_PicoAndroid_Window_Driver.H"
+
+#include <FL/x.H>
 #include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Window_Driver.H>
 
 
 Fl_Window_Driver *Fl_Window_Driver::newWindowDriver(Fl_Window *win)