Moved QEmulator out of main.c

Change-Id: I20964bb5d7fbef5ea22d265427793a2a7fce2017

1 files changed, 329 insertions, 0 deletions

diff --git a/android/qemulator.c b/android/qemulator.c
new file mode 100644
index 0000000..1671bdd
--- /dev/null
+++ b/android/qemulator.c
@@ -0,0 +1,329 @@
+/* Copyright (C) 2006-2010 The Android Open Source Project
+**
+** This software is licensed under the terms of the GNU General Public
+** License version 2, as published by the Free Software Foundation, and
+** may be copied, distributed, and modified under those terms.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+*/
+
+#include "android/hw-control.h"
+#include "android/utils/debug.h"
+#include "android/utils/bufprint.h"
+#include "android/globals.h"
+#include "android/qemulator.h"
+
+#define  D(...)  do {  if (VERBOSE_CHECK(init)) dprint(__VA_ARGS__); } while (0)
+static double get_default_scale( AndroidOptions*  opts );
+
+/* QEmulator structure instance. */
+static QEmulator   qemulator[1];
+
+static void
+qemulator_light_brightness( void* opaque, const char*  light, int  value )
+{
+    QEmulator*  emulator = opaque;
+
+    VERBOSE_PRINT(hw_control,"%s: light='%s' value=%d window=%p", __FUNCTION__, light, value, emulator->window);
+    if ( !strcmp(light, "lcd_backlight") ) {
+        emulator->lcd_brightness = value;
+        if (emulator->window)
+            skin_window_set_lcd_brightness( emulator->window, value );
+        return;
+    }
+}
+
+static void
+qemulator_setup( QEmulator*  emulator )
+{
+    AndroidOptions*  opts = emulator->opts;
+
+    if ( !emulator->window && !opts->no_window ) {
+        SkinLayout*  layout = emulator->layout;
+        double       scale  = get_default_scale(emulator->opts);
+
+        emulator->window = skin_window_create( layout, emulator->win_x, emulator->win_y, scale, 0);
+        if (emulator->window == NULL)
+            return;
+
+        {
+            SkinTrackBall*           ball;
+            SkinTrackBallParameters  params;
+
+            params.diameter   = 30;
+            params.ring       = 2;
+            params.ball_color = 0xffe0e0e0;
+            params.dot_color  = 0xff202020;
+            params.ring_color = 0xff000000;
+
+            ball = skin_trackball_create( &params );
+            emulator->trackball = ball;
+            skin_window_set_trackball( emulator->window, ball );
+
+            emulator->lcd_brightness = 128;  /* 50% */
+            skin_window_set_lcd_brightness( emulator->window, emulator->lcd_brightness );
+        }
+
+        if ( emulator->onion != NULL )
+            skin_window_set_onion( emulator->window,
+                                   emulator->onion,
+                                   emulator->onion_rotation,
+                                   emulator->onion_alpha );
+
+        qemulator_set_title(emulator);
+
+        skin_window_enable_touch ( emulator->window, android_hw->hw_touchScreen != 0 );
+        skin_window_enable_dpad  ( emulator->window, android_hw->hw_dPad != 0 );
+        skin_window_enable_qwerty( emulator->window, android_hw->hw_keyboard != 0 );
+        skin_window_enable_trackball( emulator->window, android_hw->hw_trackBall != 0 );
+    }
+
+    /* initialize hardware control support */
+    {
+        AndroidHwControlFuncs  funcs;
+
+        funcs.light_brightness = qemulator_light_brightness;
+        android_hw_control_init( emulator, &funcs );
+    }
+}
+
+static void
+qemulator_fb_update( void*   _emulator, int  x, int  y, int  w, int  h )
+{
+    QEmulator*  emulator = _emulator;
+
+    if (emulator->window)
+        skin_window_update_display( emulator->window, x, y, w, h );
+}
+
+static void
+qemulator_fb_rotate( void*  _emulator, int  rotation )
+{
+    QEmulator*     emulator = _emulator;
+
+    qemulator_setup( emulator );
+}
+
+QEmulator*
+qemulator_get(void)
+{
+    return qemulator;
+}
+
+int
+qemulator_init( QEmulator*       emulator,
+                AConfig*         aconfig,
+                const char*      basepath,
+                int              x,
+                int              y,
+                AndroidOptions*  opts )
+{
+    emulator->aconfig     = aconfig;
+    emulator->layout_file = skin_file_create_from_aconfig(aconfig, basepath);
+    emulator->layout      = emulator->layout_file->layouts;
+    // If we have a custom charmap use it to initialize keyboard.
+    // Otherwise initialize keyboard from configuration settings.
+    // Another way to configure keyboard to use a custom charmap would
+    // be saving a custom charmap name into AConfig's keyboard->charmap
+    // property, and calling single skin_keyboard_create_from_aconfig
+    // routine to initialize keyboard.
+    if (NULL != opts->charmap) {
+        emulator->keyboard = skin_keyboard_create_from_kcm(opts->charmap, opts->raw_keys);
+    } else {
+        emulator->keyboard = skin_keyboard_create_from_aconfig(aconfig, opts->raw_keys);
+    }
+    emulator->window      = NULL;
+    emulator->win_x       = x;
+    emulator->win_y       = y;
+    emulator->opts[0]     = opts[0];
+
+    /* register as a framebuffer clients for all displays defined in the skin file */
+    SKIN_FILE_LOOP_PARTS( emulator->layout_file, part )
+        SkinDisplay*  disp = part->display;
+        if (disp->valid) {
+            qframebuffer_add_client( disp->qfbuff,
+                                        emulator,
+                                        qemulator_fb_update,
+                                        qemulator_fb_rotate,
+                                        NULL );
+        }
+    SKIN_FILE_LOOP_END_PARTS
+    return 0;
+}
+
+void
+qemulator_done(QEmulator* emulator)
+{
+    if (emulator->window) {
+        skin_window_free(emulator->window);
+        emulator->window = NULL;
+    }
+    if (emulator->trackball) {
+        skin_trackball_destroy(emulator->trackball);
+        emulator->trackball = NULL;
+    }
+    if (emulator->keyboard) {
+        skin_keyboard_free(emulator->keyboard);
+        emulator->keyboard = NULL;
+    }
+    emulator->layout = NULL;
+    if (emulator->layout_file) {
+        skin_file_free(emulator->layout_file);
+        emulator->layout_file = NULL;
+    }
+}
+
+SkinLayout*
+qemulator_get_layout(QEmulator* emulator)
+{
+    return emulator->layout;
+}
+
+void
+qemulator_set_title(QEmulator* emulator)
+{
+    char  temp[128], *p=temp, *end=p+sizeof temp;;
+
+    if (emulator->window == NULL)
+        return;
+
+    if (emulator->show_trackball) {
+        SkinKeyBinding  bindings[ SKIN_KEY_COMMAND_MAX_BINDINGS ];
+        int             count;
+
+        count = skin_keyset_get_bindings( android_keyset,
+                                          SKIN_KEY_COMMAND_TOGGLE_TRACKBALL,
+                                          bindings );
+
+        if (count > 0) {
+            int  nn;
+            p = bufprint( p, end, "Press " );
+            for (nn = 0; nn < count; nn++) {
+                if (nn > 0) {
+                    if (nn < count-1)
+                        p = bufprint(p, end, ", ");
+                    else
+                        p = bufprint(p, end, " or ");
+                }
+                p = bufprint(p, end, "%s",
+                             skin_key_symmod_to_str( bindings[nn].sym,
+                                                     bindings[nn].mod ) );
+            }
+            p = bufprint(p, end, " to leave trackball mode. ");
+        }
+    }
+
+    p = bufprint(p, end, "%d:%s",
+                 android_base_port,
+                 avdInfo_getName( android_avdInfo ));
+
+    skin_window_set_title( emulator->window, temp );
+}
+
+/*
+ * Helper routines
+ */
+
+int
+get_device_dpi( AndroidOptions*  opts )
+{
+    int    dpi_device  = android_hw->hw_lcd_density;
+
+    if (opts->dpi_device != NULL) {
+        char*  end;
+        dpi_device = strtol( opts->dpi_device, &end, 0 );
+        if (end == NULL || *end != 0 || dpi_device <= 0) {
+            fprintf(stderr, "argument for -dpi-device must be a positive integer. Aborting\n" );
+            exit(1);
+        }
+    }
+    return  dpi_device;
+}
+
+static double
+get_default_scale( AndroidOptions*  opts )
+{
+    int     dpi_device  = get_device_dpi( opts );
+    int     dpi_monitor = -1;
+    double  scale       = 0.0;
+
+    /* possible values for the 'scale' option are
+     *   'auto'        : try to determine the scale automatically
+     *   '<number>dpi' : indicates the host monitor dpi, compute scale accordingly
+     *   '<fraction>'  : use direct scale coefficient
+     */
+
+    if (opts->scale) {
+        if (!strcmp(opts->scale, "auto"))
+        {
+            /* we need to get the host dpi resolution ? */
+            int   xdpi, ydpi;
+
+            if ( SDL_WM_GetMonitorDPI( &xdpi, &ydpi ) < 0 ) {
+                fprintf(stderr, "could not get monitor DPI resolution from system. please use -dpi-monitor to specify one\n" );
+                exit(1);
+            }
+            D( "system reported monitor resolutions: xdpi=%d ydpi=%d\n", xdpi, ydpi);
+            dpi_monitor = (xdpi + ydpi+1)/2;
+        }
+        else
+        {
+            char*   end;
+            scale = strtod( opts->scale, &end );
+
+            if (end && end[0] == 'd' && end[1] == 'p' && end[2] == 'i' && end[3] == 0) {
+                if ( scale < 20 || scale > 1000 ) {
+                    fprintf(stderr, "emulator: ignoring bad -scale argument '%s': %s\n", opts->scale,
+                            "host dpi number must be between 20 and 1000" );
+                    exit(1);
+                }
+                dpi_monitor = scale;
+                scale       = 0.0;
+            }
+            else if (end == NULL || *end != 0) {
+                fprintf(stderr, "emulator: ignoring bad -scale argument '%s': %s\n", opts->scale,
+                        "not a number or the 'auto' keyword" );
+                exit(1);
+            }
+            else if ( scale < 0.1 || scale > 3. ) {
+                fprintf(stderr, "emulator: ignoring bad -window-scale argument '%s': %s\n", opts->scale,
+                        "must be between 0.1 and 3.0" );
+                exit(1);
+            }
+        }
+    }
+
+    if (scale == 0.0 && dpi_monitor > 0)
+        scale = dpi_monitor*1.0/dpi_device;
+
+    if (scale == 0.0)
+        scale = 1.0;
+
+    return scale;
+}
+
+/*
+ * android/console.c helper routines.
+ */
+
+SkinKeyboard*
+android_emulator_get_keyboard(void)
+{
+    return qemulator->keyboard;
+}
+
+void
+android_emulator_set_window_scale( double  scale, int  is_dpi )
+{
+    QEmulator*  emulator = qemulator;
+
+    if (is_dpi)
+        scale /= get_device_dpi( emulator->opts );
+
+    if (emulator->window)
+        skin_window_set_scale( emulator->window, scale );
+}
+