diff options
Diffstat (limited to 'android/xscreensaver/src/org/jwz/xscreensaver/jwxyz.java')
| -rw-r--r-- | android/xscreensaver/src/org/jwz/xscreensaver/jwxyz.java | 1115 |
1 files changed, 0 insertions, 1115 deletions
diff --git a/android/xscreensaver/src/org/jwz/xscreensaver/jwxyz.java b/android/xscreensaver/src/org/jwz/xscreensaver/jwxyz.java deleted file mode 100644 index a22a26d..0000000 --- a/android/xscreensaver/src/org/jwz/xscreensaver/jwxyz.java +++ /dev/null @@ -1,1115 +0,0 @@ -/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*- - * xscreensaver, Copyright (c) 2016-2018 Jamie Zawinski <jwz@jwz.org> - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation. No representations are made about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * This class is how the C implementation of jwxyz calls back into Java - * to do things that OpenGL does not have access to without Java-based APIs. - * It is the Java companion to jwxyz-android.c and screenhack-android.c. - */ - -package org.jwz.xscreensaver; - -import java.util.Map; -import java.util.HashMap; -import java.util.Hashtable; -import java.util.ArrayList; -import java.util.Random; -import android.app.AlertDialog; -import android.view.KeyEvent; -import android.content.SharedPreferences; -import android.content.Context; -import android.content.ContentResolver; -import android.content.DialogInterface; -import android.content.res.AssetManager; -import android.graphics.Typeface; -import android.graphics.Rect; -import android.graphics.Paint; -import android.graphics.Paint.FontMetrics; -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.Matrix; -import android.net.Uri; -import android.view.GestureDetector; -import android.view.KeyEvent; -import android.view.MotionEvent; -import java.net.URL; -import java.nio.ByteBuffer; -import java.io.File; -import java.io.InputStream; -import java.io.FileOutputStream; -import java.lang.InterruptedException; -import java.lang.Runnable; -import java.lang.Thread; -import java.util.TimerTask; -import android.database.Cursor; -import android.provider.MediaStore; -import android.provider.MediaStore.MediaColumns; -import android.media.ExifInterface; -import org.jwz.xscreensaver.TTFAnalyzer; -import android.util.Log; -import android.view.Surface; -import android.Manifest; -import android.support.v4.app.ActivityCompat; -import android.support.v4.content.ContextCompat; -import android.os.Build; -import android.content.pm.PackageManager; - -public class jwxyz - implements GestureDetector.OnGestureListener, - GestureDetector.OnDoubleTapListener { - - private class PrefListener - implements SharedPreferences.OnSharedPreferenceChangeListener { - - @Override - public void onSharedPreferenceChanged (SharedPreferences sharedPreferences, String key) - { - if (key.startsWith(hack + "_")) { - if (render != null) { - boolean was_animating; - synchronized (render) { - was_animating = animating_p; - } - close(); - if (was_animating) - start(); - } - } - } - }; - - private static class SurfaceLost extends Exception { - SurfaceLost () { - super("surface lost"); - } - - SurfaceLost (String detailMessage) { - super(detailMessage); - } - } - - public final static int STYLE_BOLD = 1; - public final static int STYLE_ITALIC = 2; - public final static int STYLE_MONOSPACE = 4; - - public final static int FONT_FAMILY = 0; - public final static int FONT_FACE = 1; - public final static int FONT_RANDOM = 2; - - public final static int MY_REQ_READ_EXTERNAL_STORAGE = 271828; - - private long nativeRunningHackPtr; - - private String hack; - private Context app; - private Bitmap screenshot; - - SharedPreferences prefs; - SharedPreferences.OnSharedPreferenceChangeListener pref_listener; - Hashtable<String, String> defaults = new Hashtable<String, String>(); - - - // Maps font names to either: String (system font) or Typeface (bundled). - private Hashtable<String, Object> all_fonts = - new Hashtable<String, Object>(); - - int width, height; - Surface surface; - boolean animating_p; - - // Doubles as the mutex controlling width/height/animating_p. - private Thread render; - - private Runnable on_quit; - boolean button_down_p; - - // These are defined in jwxyz-android.c: - // - private native long nativeInit (String hack, - Hashtable<String,String> defaults, - int w, int h, Surface window) - throws SurfaceLost; - private native void nativeResize (int w, int h, double rot); - private native long nativeRender (); - private native void nativeDone (); - public native void sendButtonEvent (int x, int y, boolean down); - public native void sendMotionEvent (int x, int y); - public native void sendKeyEvent (boolean down_p, int code, int mods); - - private void LOG (String fmt, Object... args) { - Log.d ("xscreensaver", hack + ": " + String.format (fmt, args)); - } - - static public String saverNameOf (Object obj) { - // Extract the saver name from e.g. "gen.Daydream$BouncingCow" - String name = obj.getClass().getSimpleName(); - int index = name.lastIndexOf('$'); - if (index != -1) { - index++; - name = name.substring (index, name.length() - index); - } - return name.toLowerCase(); - } - - // Constructor - public jwxyz (String hack, Context app, Bitmap screenshot, int w, int h, - Surface surface, Runnable on_quit) { - - this.hack = hack; - this.app = app; - this.screenshot = screenshot; - this.on_quit = on_quit; - this.width = w; - this.height = h; - this.surface = surface; - - // nativeInit populates 'defaults' with the default values for keys - // that are not overridden by SharedPreferences. - - prefs = app.getSharedPreferences (hack, 0); - - // Keep a strong reference to pref_listener, because - // registerOnSharedPreferenceChangeListener only uses a weak reference. - pref_listener = new PrefListener(); - prefs.registerOnSharedPreferenceChangeListener (pref_listener); - - scanSystemFonts(); - } - - protected void finalize() { - if (render != null) { - LOG ("jwxyz finalized without close. This might be OK."); - close(); - } - } - - - public String getStringResource (String name) { - - name = hack + "_" + name; - - if (prefs.contains(name)) { - - // SharedPreferences is very picky that you request the exact type that - // was stored: if it is a float and you ask for a string, you get an - // exception instead of the float converted to a string. - - String s = null; - try { return prefs.getString (name, ""); - } catch (Exception e) { } - - try { return Float.toString (prefs.getFloat (name, 0)); - } catch (Exception e) { } - - try { return Long.toString (prefs.getLong (name, 0)); - } catch (Exception e) { } - - try { return Integer.toString (prefs.getInt (name, 0)); - } catch (Exception e) { } - - try { return (prefs.getBoolean (name, false) ? "true" : "false"); - } catch (Exception e) { } - } - - // If we got to here, it's not in there, so return the default. - return defaults.get (name); - } - - - private String mungeFontName (String name) { - // Roboto-ThinItalic => RobotoThin - // AndroidCock Regular => AndroidClock - String tails[] = { "Bold", "Italic", "Oblique", "Regular" }; - for (String tail : tails) { - String pres[] = { " ", "-", "_", "" }; - for (String pre : pres) { - int i = name.indexOf(pre + tail); - if (i > 0) name = name.substring (0, i); - } - } - return name; - } - - - private void scanSystemFonts() { - - // First parse the system font directories for the global fonts. - - String[] fontdirs = { "/system/fonts", "/system/font", "/data/fonts" }; - TTFAnalyzer analyzer = new TTFAnalyzer(); - for (String fontdir : fontdirs) { - File dir = new File(fontdir); - if (!dir.exists()) - continue; - File[] files = dir.listFiles(); - if (files == null) - continue; - - for (File file : files) { - String name = analyzer.getTtfFontName (file.getAbsolutePath()); - if (name == null) { - // LOG ("unparsable system font: %s", file); - } else { - name = mungeFontName (name); - if (! all_fonts.contains (name)) { - // LOG ("system font \"%s\" %s", name, file); - all_fonts.put (name, name); - } - } - } - } - - // Now parse our assets, for our bundled fonts. - - AssetManager am = app.getAssets(); - String dir = "fonts"; - String[] files = null; - try { files = am.list(dir); } - catch (Exception e) { LOG("listing assets: %s", e.toString()); } - - for (String fn : files) { - String fn2 = dir + "/" + fn; - Typeface t = Typeface.createFromAsset (am, fn2); - - File tmpfile = null; - try { - tmpfile = new File(app.getCacheDir(), fn); - if (tmpfile.createNewFile() == false) { - tmpfile.delete(); - tmpfile.createNewFile(); - } - - InputStream in = am.open (fn2); - FileOutputStream out = new FileOutputStream (tmpfile); - byte[] buffer = new byte[1024 * 512]; - while (in.read(buffer, 0, 1024 * 512) != -1) { - out.write(buffer); - } - out.close(); - in.close(); - - String name = analyzer.getTtfFontName (tmpfile.getAbsolutePath()); - tmpfile.delete(); - - name = mungeFontName (name); - all_fonts.put (name, t); - // LOG ("asset font \"%s\" %s", name, fn); - } catch (Exception e) { - if (tmpfile != null) tmpfile.delete(); - LOG ("error: %s", e.toString()); - } - } - } - - - // Parses family names from X Logical Font Descriptions, including a few - // standard X font names that aren't handled by try_xlfd_font(). - // Returns [ String name, Typeface ] - private Object[] parseXLFD (int mask, int traits, - String name, int name_type) { - boolean fixed = false; - boolean serif = false; - - int style_jwxyz = mask & traits; - - if (name_type != FONT_RANDOM) { - if ((style_jwxyz & STYLE_BOLD) != 0 || - name.equals("fixed") || - name.equals("courier") || - name.equals("console") || - name.equals("lucidatypewriter") || - name.equals("monospace")) { - fixed = true; - } else if (name.equals("times") || - name.equals("georgia") || - name.equals("serif")) { - serif = true; - } else if (name.equals("serif-monospace")) { - fixed = true; - serif = true; - } - } else { - Random r = new Random(); - serif = r.nextBoolean(); // Not much to randomize here... - fixed = (r.nextInt(8) == 0); - } - - name = (fixed - ? (serif ? "serif-monospace" : "monospace") - : (serif ? "serif" : "sans-serif")); - - int style_android = 0; - if ((style_jwxyz & STYLE_BOLD) != 0) - style_android |= Typeface.BOLD; - if ((style_jwxyz & STYLE_ITALIC) != 0) - style_android |= Typeface.ITALIC; - - return new Object[] { name, Typeface.create(name, style_android) }; - } - - - // Parses "Native Font Name One 12, Native Font Name Two 14". - // Returns [ String name, Typeface ] - private Object[] parseNativeFont (String name) { - Object font2 = all_fonts.get (name); - if (font2 instanceof String) - font2 = Typeface.create (name, Typeface.NORMAL); - return new Object[] { name, (Typeface)font2 }; - } - - - // Returns [ Paint paint, String family_name, Float ascent, Float descent ] - public Object[] loadFont(int mask, int traits, String name, int name_type, - float size) { - Object pair[]; - - if (name_type != FONT_RANDOM && name.equals("")) return null; - - if (name_type == FONT_FACE) { - pair = parseNativeFont (name); - } else { - pair = parseXLFD (mask, traits, name, name_type); - } - - String name2 = (String) pair[0]; - Typeface font = (Typeface) pair[1]; - - size *= 2; - - String suffix = (font.isBold() && font.isItalic() ? " bold italic" : - font.isBold() ? " bold" : - font.isItalic() ? " italic" : - ""); - Paint paint = new Paint(); - paint.setTypeface (font); - paint.setTextSize (size); - paint.setColor (Color.argb (0xFF, 0xFF, 0xFF, 0xFF)); - - LOG ("load font \"%s\" = \"%s %.1f\"", name, name2 + suffix, size); - - FontMetrics fm = paint.getFontMetrics(); - return new Object[] { paint, name2, -fm.ascent, fm.descent }; - } - - - /* Returns a byte[] array containing XCharStruct with an optional - bitmap appended to it. - lbearing, rbearing, width, ascent, descent: 2 bytes each. - Followed by a WxH pixmap, 32 bits per pixel. - */ - public ByteBuffer renderText (Paint paint, String text, boolean render_p, - boolean antialias_p) { - - if (paint == null) { - LOG ("no font"); - return null; - } - - /* Font metric terminology, as used by X11: - - "lbearing" is the distance from the logical origin to the leftmost - pixel. If a character's ink extends to the left of the origin, it is - negative. - - "rbearing" is the distance from the logical origin to the rightmost - pixel. - - "descent" is the distance from the logical origin to the bottommost - pixel. For characters with descenders, it is positive. For - superscripts, it is negative. - - "ascent" is the distance from the logical origin to the topmost pixel. - It is the number of pixels above the baseline. - - "width" is the distance from the logical origin to the position where - the logical origin of the next character should be placed. - - If "rbearing" is greater than "width", then this character overlaps the - following character. If smaller, then there is trailing blank space. - - The bbox coordinates returned by getTextBounds grow down and right: - for a character with ink both above and below the baseline, top is - negative and bottom is positive. - */ - paint.setAntiAlias (antialias_p); - FontMetrics fm = paint.getFontMetrics(); - Rect bbox = new Rect(); - paint.getTextBounds (text, 0, text.length(), bbox); - - /* The bbox returned by getTextBounds measures from the logical origin - with right and down being positive. This means most characters have - a negative top, and characters with descenders have a positive bottom. - */ - int lbearing = bbox.left; - int rbearing = bbox.right; - int ascent = -bbox.top; - int descent = bbox.bottom; - int width = (int) paint.measureText (text); - - int w = rbearing - lbearing; - int h = ascent + descent; - int size = 5 * 2 + (render_p ? w * h * 4 : 0); - - ByteBuffer bits = ByteBuffer.allocateDirect (size); - - bits.put ((byte) ((lbearing >> 8) & 0xFF)); - bits.put ((byte) ( lbearing & 0xFF)); - bits.put ((byte) ((rbearing >> 8) & 0xFF)); - bits.put ((byte) ( rbearing & 0xFF)); - bits.put ((byte) ((width >> 8) & 0xFF)); - bits.put ((byte) ( width & 0xFF)); - bits.put ((byte) ((ascent >> 8) & 0xFF)); - bits.put ((byte) ( ascent & 0xFF)); - bits.put ((byte) ((descent >> 8) & 0xFF)); - bits.put ((byte) ( descent & 0xFF)); - - if (render_p && w > 0 && h > 0) { - Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); - Canvas canvas = new Canvas (bitmap); - canvas.drawText (text, -lbearing, ascent, paint); - bitmap.copyPixelsToBuffer (bits); - bitmap.recycle(); - } - - return bits; - } - - - /* Returns the contents of the URL. - Loads the URL in a background thread: if the URL has not yet loaded, - this will return null. Once the URL has completely loaded, the full - contents will be returned. Calling this again after that starts the - URL loading again. - */ - private String loading_url = null; - private ByteBuffer loaded_url_body = null; - - public synchronized ByteBuffer loadURL (String url) { - - if (loaded_url_body != null) { // Thread finished - - // LOG ("textclient finished %s", loading_url); - - ByteBuffer bb = loaded_url_body; - loading_url = null; - loaded_url_body = null; - return bb; - - } else if (loading_url != null) { // Waiting on thread - // LOG ("textclient waiting..."); - return null; - - } else { // Launch thread - - loading_url = url; - LOG ("textclient launching %s...", url); - - new Thread (new Runnable() { - public void run() { - int size0 = 10240; - int size = size0; - int count = 0; - ByteBuffer body = ByteBuffer.allocateDirect (size); - - try { - URL u = new URL (loading_url); - // LOG ("textclient thread loading: %s", u.toString()); - InputStream s = u.openStream(); - byte buf[] = new byte[10240]; - while (true) { - int n = s.read (buf); - if (n == -1) break; - // LOG ("textclient thread read %d", n); - if (count + n + 1 >= size) { - int size2 = (int) (size * 1.2 + size0); - // LOG ("textclient thread expand %d -> %d", size, size2); - ByteBuffer body2 = ByteBuffer.allocateDirect (size2); - body.rewind(); - body2.put (body); - body2.position (count); - body = body2; - size = size2; - } - body.put (buf, 0, n); - count += n; - } - } catch (Exception e) { - LOG ("load URL error: %s", e.toString()); - body.clear(); - body.put (e.toString().getBytes()); - body.put ((byte) 0); - } - - // LOG ("textclient thread finished %s (%d)", loading_url, size); - loaded_url_body = body; - } - }).start(); - - return null; - } - } - - - // Returns [ Bitmap bitmap, String name ] - private Object[] convertBitmap (String name, Bitmap bitmap, - int target_width, int target_height, - ExifInterface exif, boolean rotate_p) { - if (bitmap == null) return null; - - { - - int width = bitmap.getWidth(); - int height = bitmap.getHeight(); - Matrix matrix = new Matrix(); - - LOG ("read image %s: %d x %d", name, width, height); - - // First rotate the image as per EXIF. - - if (exif != null) { - int deg = 0; - switch (exif.getAttributeInt (ExifInterface.TAG_ORIENTATION, - ExifInterface.ORIENTATION_NORMAL)) { - case ExifInterface.ORIENTATION_ROTATE_90: deg = 90; break; - case ExifInterface.ORIENTATION_ROTATE_180: deg = 180; break; - case ExifInterface.ORIENTATION_ROTATE_270: deg = 270; break; - } - if (deg != 0) { - LOG ("%s: EXIF rotate %d", name, deg); - matrix.preRotate (deg); - if (deg == 90 || deg == 270) { - int temp = width; - width = height; - height = temp; - } - } - } - - // If the caller requested that we rotate the image to best fit the - // screen, rotate it again. - - if (rotate_p && - (width > height) != (target_width > target_height)) { - LOG ("%s: rotated to fit screen", name); - matrix.preRotate (90); - - int temp = width; - width = height; - height = temp; - } - - // Resize the image to be not larger than the screen, potentially - // copying it for the third time. - // Actually, always scale it, scaling up if necessary. - -// if (width > target_width || height > target_height) - { - float r1 = target_width / (float) width; - float r2 = target_height / (float) height; - float r = (r1 > r2 ? r2 : r1); - LOG ("%s: resize %.1f: %d x %d => %d x %d", name, - r, width, height, (int) (width * r), (int) (height * r)); - matrix.preScale (r, r); - } - - bitmap = Bitmap.createBitmap (bitmap, 0, 0, - bitmap.getWidth(), bitmap.getHeight(), - matrix, true); - - if (bitmap.getConfig() != Bitmap.Config.ARGB_8888) - bitmap = bitmap.copy(Bitmap.Config.ARGB_8888, false); - - return new Object[] { bitmap, name }; - - } - } - - - boolean havePermission(String permission) { - - if (Build.VERSION.SDK_INT < 16) { - return true; - } - - if (permissionGranted(permission)) { - return true; - } - - return false; - } - - - private boolean permissionGranted(String permission) { - boolean check = ContextCompat.checkSelfPermission(app, permission) == - PackageManager.PERMISSION_GRANTED; - return check; - } - - public Object[] checkThenLoadRandomImage (int target_width, int target_height, - boolean rotate_p) { - // RES introduced in API 16 - String permission = Manifest.permission.READ_EXTERNAL_STORAGE; - - if (havePermission(permission)) { - return loadRandomImage(target_width,target_height,rotate_p); - } else { - return null; - } - } - - public Object[] loadRandomImage (int target_width, int target_height, - boolean rotate_p) { - - int min_size = 480; - int max_size = 0x7FFF; - - ArrayList<String> imgs = new ArrayList<String>(); - - ContentResolver cr = app.getContentResolver(); - String[] cols = { MediaColumns.DATA, - MediaColumns.MIME_TYPE, - MediaColumns.WIDTH, - MediaColumns.HEIGHT }; - Uri uris[] = { - android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI, - android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI }; - - for (int i = 0; i < uris.length; i++) { - Cursor cursor = cr.query (uris[i], cols, null, null, null); - if (cursor == null) - continue; - int j = 0; - int path_col = cursor.getColumnIndexOrThrow (cols[j++]); - int type_col = cursor.getColumnIndexOrThrow (cols[j++]); - int width_col = cursor.getColumnIndexOrThrow (cols[j++]); - int height_col = cursor.getColumnIndexOrThrow (cols[j++]); - while (cursor.moveToNext()) { - String path = cursor.getString(path_col); - String type = cursor.getString(type_col); - if (path != null && type != null && type.startsWith("image/")) { - String wc = cursor.getString(width_col); - String hc = cursor.getString(height_col); - if (wc != null && hc != null) { - int w = Integer.parseInt (wc); - int h = Integer.parseInt (hc); - if (w > min_size && h > min_size && - w < max_size && h < max_size) { - imgs.add (path); - } - } - } - } - cursor.close(); - } - - String which = null; - - int count = imgs.size(); - if (count == 0) { - LOG ("no images"); - return null; - } - - int i = new Random().nextInt (count); - which = imgs.get (i); - LOG ("picked image %d of %d: %s", i, count, which); - - Uri uri = Uri.fromFile (new File (which)); - String name = uri.getLastPathSegment(); - Bitmap bitmap = null; - ExifInterface exif = null; - - try { - try { - bitmap = MediaStore.Images.Media.getBitmap (cr, uri); - } catch (Exception e) { - LOG ("image %s unloadable: %s", which, e.toString()); - return null; - } - - try { - exif = new ExifInterface (uri.getPath()); // If it fails, who cares - } catch (Exception e) { - } - - return convertBitmap (name, bitmap, target_width, target_height, - exif, rotate_p); - } catch (java.lang.OutOfMemoryError e) { - LOG ("image %s got OutOfMemoryError: %s", which, e.toString()); - return null; - } - } - - - public Object[] getScreenshot (int target_width, int target_height, - boolean rotate_p) { - return convertBitmap ("Screenshot", screenshot, - target_width, target_height, - null, rotate_p); - } - - - public Bitmap decodePNG (byte[] data) { - BitmapFactory.Options opts = new BitmapFactory.Options(); - opts.inPreferredConfig = Bitmap.Config.ARGB_8888; - return BitmapFactory.decodeByteArray (data, 0, data.length, opts); - } - - - // Sadly duplicated from jwxyz.h (and thence X.h and keysymdef.h) - // - private static final int ShiftMask = (1<<0); - private static final int LockMask = (1<<1); - private static final int ControlMask = (1<<2); - private static final int Mod1Mask = (1<<3); - private static final int Mod2Mask = (1<<4); - private static final int Mod3Mask = (1<<5); - private static final int Mod4Mask = (1<<6); - private static final int Mod5Mask = (1<<7); - private static final int Button1Mask = (1<<8); - private static final int Button2Mask = (1<<9); - private static final int Button3Mask = (1<<10); - private static final int Button4Mask = (1<<11); - private static final int Button5Mask = (1<<12); - - private static final int XK_Shift_L = 0xFFE1; - private static final int XK_Shift_R = 0xFFE2; - private static final int XK_Control_L = 0xFFE3; - private static final int XK_Control_R = 0xFFE4; - private static final int XK_Caps_Lock = 0xFFE5; - private static final int XK_Shift_Lock = 0xFFE6; - private static final int XK_Meta_L = 0xFFE7; - private static final int XK_Meta_R = 0xFFE8; - private static final int XK_Alt_L = 0xFFE9; - private static final int XK_Alt_R = 0xFFEA; - private static final int XK_Super_L = 0xFFEB; - private static final int XK_Super_R = 0xFFEC; - private static final int XK_Hyper_L = 0xFFED; - private static final int XK_Hyper_R = 0xFFEE; - - private static final int XK_Home = 0xFF50; - private static final int XK_Left = 0xFF51; - private static final int XK_Up = 0xFF52; - private static final int XK_Right = 0xFF53; - private static final int XK_Down = 0xFF54; - private static final int XK_Prior = 0xFF55; - private static final int XK_Page_Up = 0xFF55; - private static final int XK_Next = 0xFF56; - private static final int XK_Page_Down = 0xFF56; - private static final int XK_End = 0xFF57; - private static final int XK_Begin = 0xFF58; - - private static final int XK_F1 = 0xFFBE; - private static final int XK_F2 = 0xFFBF; - private static final int XK_F3 = 0xFFC0; - private static final int XK_F4 = 0xFFC1; - private static final int XK_F5 = 0xFFC2; - private static final int XK_F6 = 0xFFC3; - private static final int XK_F7 = 0xFFC4; - private static final int XK_F8 = 0xFFC5; - private static final int XK_F9 = 0xFFC6; - private static final int XK_F10 = 0xFFC7; - private static final int XK_F11 = 0xFFC8; - private static final int XK_F12 = 0xFFC9; - - public void sendKeyEvent (KeyEvent event) { - int uc = event.getUnicodeChar(); - int jcode = event.getKeyCode(); - int jmods = event.getModifiers(); - int xcode = 0; - int xmods = 0; - - switch (jcode) { - case KeyEvent.KEYCODE_SHIFT_LEFT: xcode = XK_Shift_L; break; - case KeyEvent.KEYCODE_SHIFT_RIGHT: xcode = XK_Shift_R; break; - case KeyEvent.KEYCODE_CTRL_LEFT: xcode = XK_Control_L; break; - case KeyEvent.KEYCODE_CTRL_RIGHT: xcode = XK_Control_R; break; - case KeyEvent.KEYCODE_CAPS_LOCK: xcode = XK_Caps_Lock; break; - case KeyEvent.KEYCODE_META_LEFT: xcode = XK_Meta_L; break; - case KeyEvent.KEYCODE_META_RIGHT: xcode = XK_Meta_R; break; - case KeyEvent.KEYCODE_ALT_LEFT: xcode = XK_Alt_L; break; - case KeyEvent.KEYCODE_ALT_RIGHT: xcode = XK_Alt_R; break; - - case KeyEvent.KEYCODE_HOME: xcode = XK_Home; break; - case KeyEvent.KEYCODE_DPAD_LEFT: xcode = XK_Left; break; - case KeyEvent.KEYCODE_DPAD_UP: xcode = XK_Up; break; - case KeyEvent.KEYCODE_DPAD_RIGHT: xcode = XK_Right; break; - case KeyEvent.KEYCODE_DPAD_DOWN: xcode = XK_Down; break; - //case KeyEvent.KEYCODE_NAVIGATE_PREVIOUS: xcode = XK_Prior; break; - case KeyEvent.KEYCODE_PAGE_UP: xcode = XK_Page_Up; break; - //case KeyEvent.KEYCODE_NAVIGATE_NEXT: xcode = XK_Next; break; - case KeyEvent.KEYCODE_PAGE_DOWN: xcode = XK_Page_Down; break; - case KeyEvent.KEYCODE_MOVE_END: xcode = XK_End; break; - case KeyEvent.KEYCODE_MOVE_HOME: xcode = XK_Begin; break; - - case KeyEvent.KEYCODE_F1: xcode = XK_F1; break; - case KeyEvent.KEYCODE_F2: xcode = XK_F2; break; - case KeyEvent.KEYCODE_F3: xcode = XK_F3; break; - case KeyEvent.KEYCODE_F4: xcode = XK_F4; break; - case KeyEvent.KEYCODE_F5: xcode = XK_F5; break; - case KeyEvent.KEYCODE_F6: xcode = XK_F6; break; - case KeyEvent.KEYCODE_F7: xcode = XK_F7; break; - case KeyEvent.KEYCODE_F8: xcode = XK_F8; break; - case KeyEvent.KEYCODE_F9: xcode = XK_F9; break; - case KeyEvent.KEYCODE_F10: xcode = XK_F10; break; - case KeyEvent.KEYCODE_F11: xcode = XK_F11; break; - case KeyEvent.KEYCODE_F12: xcode = XK_F12; break; - default: xcode = uc; break; - } - - if (0 != (jmods & KeyEvent.META_SHIFT_ON)) xmods |= ShiftMask; - if (0 != (jmods & KeyEvent.META_CAPS_LOCK_ON)) xmods |= LockMask; - if (0 != (jmods & KeyEvent.META_CTRL_MASK)) xmods |= ControlMask; - if (0 != (jmods & KeyEvent.META_ALT_MASK)) xmods |= Mod1Mask; - if (0 != (jmods & KeyEvent.META_META_ON)) xmods |= Mod1Mask; - if (0 != (jmods & KeyEvent.META_SYM_ON)) xmods |= Mod2Mask; - if (0 != (jmods & KeyEvent.META_FUNCTION_ON)) xmods |= Mod3Mask; - - /* If you touch and release Shift, you get no events. - If you type Shift-A, you get Shift down, A down, A up, Shift up. - So let's just ignore all lone modifier key events. - */ - if (xcode >= XK_Shift_L && xcode <= XK_Hyper_R) - return; - - boolean down_p = event.getAction() == KeyEvent.ACTION_DOWN; - sendKeyEvent (down_p, xcode, xmods); - } - - void start () { - if (render == null) { - animating_p = true; - render = new Thread(new Runnable() { - @Override - public void run() - { - int currentWidth, currentHeight; - synchronized (render) { - while (true) { - while (!animating_p || width == 0 || height == 0) { - try { - render.wait(); - } catch(InterruptedException exc) { - return; - } - } - - try { - nativeInit (hack, defaults, width, height, surface); - currentWidth = width; - currentHeight= height; - break; - } catch (SurfaceLost exc) { - width = 0; - height = 0; - } - } - } - - main_loop: - while (true) { - synchronized (render) { - assert width != 0; - assert height != 0; - while (!animating_p) { - try { - render.wait(); - } catch(InterruptedException exc) { - break main_loop; - } - } - - if (currentWidth != width || currentHeight != height) { - currentWidth = width; - currentHeight = height; - nativeResize (width, height, 0); - } - } - - long delay = nativeRender(); - - synchronized (render) { - if (delay != 0) { - try { - render.wait(delay / 1000, (int)(delay % 1000) * 1000); - } catch (InterruptedException exc) { - break main_loop; - } - } else { - if (Thread.interrupted ()) { - break main_loop; - } - } - } - } - - assert nativeRunningHackPtr != 0; - nativeDone (); - } - }); - - render.start(); - } else { - synchronized(render) { - animating_p = true; - render.notify(); - } - } - } - - void pause () { - if (render == null) - return; - synchronized (render) { - animating_p = false; - render.notify(); - } - } - - void close () { - if (render == null) - return; - synchronized (render) { - animating_p = false; - render.interrupt(); - } - try { - render.join(); - } catch (InterruptedException exc) { - } - render = null; - } - - void resize (int w, int h) { - assert w != 0; - assert h != 0; - if (render != null) { - synchronized (render) { - width = w; - height = h; - render.notify(); - } - } else { - width = w; - height = h; - } - } - - - /* We distinguish between taps and drags. - - - Drags/pans (down, motion, up) are sent to the saver to handle. - - Single-taps exit the saver. - - Long-press single-taps are sent to the saver as ButtonPress/Release; - - Double-taps are sent to the saver as a "Space" keypress. - - #### TODO: - - Swipes (really, two-finger drags/pans) send Up/Down/Left/RightArrow. - */ - - @Override - public boolean onSingleTapConfirmed (MotionEvent event) { - if (on_quit != null) - on_quit.run(); - return true; - } - - @Override - public boolean onDoubleTap (MotionEvent event) { - sendKeyEvent (new KeyEvent (KeyEvent.ACTION_DOWN, - KeyEvent.KEYCODE_SPACE)); - return true; - } - - @Override - public void onLongPress (MotionEvent event) { - if (! button_down_p) { - int x = (int) event.getX (event.getPointerId (0)); - int y = (int) event.getY (event.getPointerId (0)); - sendButtonEvent (x, y, true); - sendButtonEvent (x, y, false); - } - } - - @Override - public void onShowPress (MotionEvent event) { - if (! button_down_p) { - button_down_p = true; - int x = (int) event.getX (event.getPointerId (0)); - int y = (int) event.getY (event.getPointerId (0)); - sendButtonEvent (x, y, true); - } - } - - @Override - public boolean onScroll (MotionEvent e1, MotionEvent e2, - float distanceX, float distanceY) { - // LOG ("onScroll: %d", button_down_p ? 1 : 0); - if (button_down_p) - sendMotionEvent ((int) e2.getX (e2.getPointerId (0)), - (int) e2.getY (e2.getPointerId (0))); - return true; - } - - // If you drag too fast, you get a single onFling event instead of a - // succession of onScroll events. I can't figure out how to disable it. - @Override - public boolean onFling (MotionEvent e1, MotionEvent e2, - float velocityX, float velocityY) { - return false; - } - - public boolean dragEnded (MotionEvent event) { - if (button_down_p) { - int x = (int) event.getX (event.getPointerId (0)); - int y = (int) event.getY (event.getPointerId (0)); - sendButtonEvent (x, y, false); - button_down_p = false; - } - return true; - } - - @Override - public boolean onDown (MotionEvent event) { - return false; - } - - @Override - public boolean onSingleTapUp (MotionEvent event) { - return false; - } - - @Override - public boolean onDoubleTapEvent (MotionEvent event) { - return false; - } - - - static { - System.loadLibrary ("xscreensaver"); - -/* - Thread.setDefaultUncaughtExceptionHandler( - new Thread.UncaughtExceptionHandler() { - Thread.UncaughtExceptionHandler old_handler = - Thread.currentThread().getUncaughtExceptionHandler(); - - @Override - public void uncaughtException (Thread thread, Throwable ex) { - String err = ex.toString(); - Log.d ("xscreensaver", "Caught exception: " + err); - old_handler.uncaughtException (thread, ex); - } - }); -*/ - } -} |