src/eu/alefzero/owncloud/CustomPopup.java

   1 package eu.alefzero.owncloud;
   2
   3 import android.content.Context;
   4 import android.graphics.Rect;
   5 import android.graphics.drawable.BitmapDrawable;
   6 import android.graphics.drawable.Drawable;
   7 import android.view.Gravity;
   8 import android.view.LayoutInflater;
   9 import android.view.MotionEvent;
  10 import android.view.View;
  11 import android.view.WindowManager;
  12 import android.view.View.OnTouchListener;
  13 import android.view.ViewGroup.LayoutParams;
  14 import android.widget.PopupWindow;
  15
  16 public class CustomPopup {
  17   protected final View mAnchor;
  18   protected final PopupWindow mWindow;
  19   private View root;
  20   private Drawable background = null;
  21   protected final WindowManager mWManager;
  22
  23   public CustomPopup(View anchor) {
  24     mAnchor = anchor;
  25     mWindow = new PopupWindow(anchor.getContext());
  26
  27     mWindow.setTouchInterceptor(new OnTouchListener() {
  28
  29       public boolean onTouch(View v, MotionEvent event) {
  30         if (event.getAction() == MotionEvent.ACTION_OUTSIDE) {
  31           CustomPopup.this.dismiss();
  32           return true;
  33         }
  34         return false;
  35       }
  36     });
  37
  38     mWManager = (WindowManager) anchor.getContext().getSystemService(Context.WINDOW_SERVICE);
  39     onCreate();
  40   }
  41
  42
  43   public void onCreate() {}
  44   public void onShow() {}
  45
  46   public void preShow() {
  47     if (root == null) {
  48       throw new IllegalStateException("setContentView called with a view to display");
  49     }
  50
  51     onShow();
  52
  53     if (background == null) {
  54       mWindow.setBackgroundDrawable(new BitmapDrawable());
  55     } else {
  56       mWindow.setBackgroundDrawable(background);
  57     }
  58
  59     mWindow.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
  60     mWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
  61     mWindow.setTouchable(true);
  62     mWindow.setFocusable(true);
  63     mWindow.setOutsideTouchable(true);
  64
  65     mWindow.setContentView(root);
  66   }
  67
  68   public void setBackgroundDrawable(Drawable background) {
  69     this.background = background;
  70   }
  71
  72   public void setContentView(View root) {
  73     this.root = root;
  74     mWindow.setContentView(root);
  75   }
  76
  77   public void setContentView(int layoutResId) {
  78     LayoutInflater inflater =
  79       (LayoutInflater) mAnchor.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  80     setContentView(inflater.inflate(layoutResId, null));
  81   }
  82
  83   public void showDropDown() {
  84     showDropDown(0, 0);
  85   }
  86
  87   public void showDropDown(int x, int y) {
  88     preShow();
  89     mWindow.setAnimationStyle(android.R.style.Animation_Dialog);
  90     mWindow.showAsDropDown(mAnchor, x, y);
  91   }
  92
  93   public void showLikeQuickAction() {
  94     showLikeQuickAction(0, 0);
  95   }
  96
  97   public void showLikeQuickAction(int x, int y) {
  98     preShow();
  99
 100     mWindow.setAnimationStyle(android.R.style.Animation_Dialog);
 101     int[] location = new int[2];
 102     mAnchor.getLocationOnScreen(location);
 103
 104     Rect anchorRect =
 105       new Rect(location[0], location[1], location[0] + mAnchor.getWidth(), location[1] + mAnchor.getHeight());
 106
 107     root.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
 108     root.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
 109
 110     int rootW = root.getWidth(), rootH = root.getHeight();
 111     int screenW = mWManager.getDefaultDisplay().getWidth();
 112
 113     int xpos = ((screenW-rootW)/2) + x;
 114     int ypos = anchorRect.top - rootH + y;
 115
 116     if (rootH > anchorRect.top) {
 117       ypos = anchorRect.bottom + y;
 118     }
 119     mWindow.showAtLocation(mAnchor, Gravity.NO_GRAVITY, xpos, ypos);
 120   }
 121
 122   public void dismiss() {
 123     mWindow.dismiss();
 124   }
 125
 126 }