1 files changed, 89 insertions, 0 deletions
diff --git a/java/src/com/tigervnc/rfb/ScreenSet.java b/java/src/com/tigervnc/rfb/ScreenSet.java
new file mode 100644
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--- /dev/null
+++ b/java/src/com/tigervnc/rfb/ScreenSet.java
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+/* Copyright 2009 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software 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.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// Management class for the RFB virtual screens
+
+package com.tigervnc.rfb;
+
+import java.util.*;
+
+public class ScreenSet {
+
+  // Represents a complete screen configuration, excluding framebuffer
+  // dimensions.
+
+  public ScreenSet() {
+    screens = new ArrayList<Screen>();
+  }
+
+  public static final int num_screens() { return screens.size(); }
+
+  public static final void add_screen(Screen screen) { screens.add(screen); }
+  public static final void remove_screen(int id) { 
+    for (Iterator iter = screens.iterator(); iter.hasNext(); ) {
+      Screen refScreen = (Screen)iter.next();
+      if (refScreen.id == id)
+        iter.remove();
+    }
+  }
+
+  public static final boolean validate(int fb_width, int fb_height) {
+      List<Integer> seen_ids = new ArrayList<Integer>();
+      Rect fb_rect = new Rect();
+
+      if (screens.isEmpty())
+        return false;
+      if (num_screens() > 255)
+        return false;
+
+      fb_rect.setXYWH(0, 0, fb_width, fb_height);
+
+      for (Iterator iter = screens.iterator(); iter.hasNext(); ) {
+        Screen refScreen = (Screen)iter.next();
+        if (refScreen.dimensions.is_empty())
+          return false;
+        if (!refScreen.dimensions.enclosed_by(fb_rect))
+          return false;
+        //if (seen_ids.lastIndexOf(refScreen.id) != seen_ids.get(-1))
+        //  return false;
+        seen_ids.add(refScreen.id);
+      }
+
+      return true;
+  }
+
+  public final void debug_print() {
+    for (Iterator iter = screens.iterator(); iter.hasNext(); ) {
+      Screen refScreen = (Screen)iter.next();
+      vlog.error("    "+refScreen.id+" (0x"+refScreen.id+"): "+
+                refScreen.dimensions.width()+"x"+refScreen.dimensions.height()+
+                "+"+refScreen.dimensions.tl.x+"+"+refScreen.dimensions.tl.y+
+                " (flags 0x"+refScreen.flags+")");
+    }
+  }
+
+  // FIXME: List order shouldn't matter
+  //inline bool operator(const ScreenSet& r) const { return screens == r.screens; }
+  //inline bool operator(const ScreenSet& r) const { return screens != r.screens; }
+
+  public static List<Screen> screens;
+
+  static LogWriter vlog = new LogWriter("ScreenSet");
+
+}
+