src/com/owncloud/android/ui/CustomPopup.java

   1 /* ownCloud Android client application
   2  *
   3  *   @author Lorensius. W. T
   4  *   Copyright (C) 2011  Bartek Przybylski
   5  *   Copyright (C) 2012-2013 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20 package com.owncloud.android.ui;
  21
  22 import android.content.Context;
  23 import android.graphics.Rect;
  24 import android.graphics.drawable.BitmapDrawable;
  25 import android.graphics.drawable.Drawable;
  26 import android.view.Gravity;
  27 import android.view.LayoutInflater;
  28 import android.view.MotionEvent;
  29 import android.view.View;
  30 import android.view.WindowManager;
  31 import android.view.View.OnTouchListener;
  32 import android.view.ViewGroup.LayoutParams;
  33 import android.widget.PopupWindow;
  34
  35 /**
  36  * Represents a custom PopupWindows
  37  */
  38 public class CustomPopup {
  39     protected final View mAnchor;
  40     protected final PopupWindow mWindow;
  41     private View root;
  42     private Drawable background = null;
  43     protected final WindowManager mWManager;
  44
  45     public CustomPopup(View anchor) {
  46         mAnchor = anchor;
  47         mWindow = new PopupWindow(anchor.getContext());
  48
  49         mWindow.setTouchInterceptor(new OnTouchListener() {
  50
  51             public boolean onTouch(View v, MotionEvent event) {
  52                 if (event.getAction() == MotionEvent.ACTION_OUTSIDE) {
  53                     CustomPopup.this.dismiss();
  54                     return true;
  55                 }
  56                 return false;
  57             }
  58         });
  59
  60         mWManager = (WindowManager) anchor.getContext().getSystemService(
  61                 Context.WINDOW_SERVICE);
  62         onCreate();
  63     }
  64
  65     public void onCreate() {
  66     }
  67
  68     public void onShow() {
  69     }
  70
  71     public void preShow() {
  72         if (root == null) {
  73             throw new IllegalStateException(
  74                     "setContentView called with a view to display");
  75         }
  76
  77         onShow();
  78
  79         if (background == null) {
  80             mWindow.setBackgroundDrawable(new BitmapDrawable());
  81         } else {
  82             mWindow.setBackgroundDrawable(background);
  83         }
  84
  85         mWindow.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
  86         mWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
  87         mWindow.setTouchable(true);
  88         mWindow.setFocusable(true);
  89         mWindow.setOutsideTouchable(true);
  90
  91         mWindow.setContentView(root);
  92     }
  93
  94     public void setBackgroundDrawable(Drawable background) {
  95         this.background = background;
  96     }
  97
  98     public void setContentView(View root) {
  99         this.root = root;
 100         mWindow.setContentView(root);
 101     }
 102
 103     public void setContentView(int layoutResId) {
 104         LayoutInflater inflater = (LayoutInflater) mAnchor.getContext()
 105                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 106         setContentView(inflater.inflate(layoutResId, null));
 107     }
 108
 109     public void showDropDown() {
 110         showDropDown(0, 0);
 111     }
 112
 113     public void showDropDown(int x, int y) {
 114         preShow();
 115         mWindow.setAnimationStyle(android.R.style.Animation_Dialog);
 116         mWindow.showAsDropDown(mAnchor, x, y);
 117     }
 118
 119     public void showLikeQuickAction() {
 120         showLikeQuickAction(0, 0);
 121     }
 122
 123     public void showLikeQuickAction(int x, int y) {
 124         preShow();
 125
 126         mWindow.setAnimationStyle(android.R.style.Animation_Dialog);
 127         int[] location = new int[2];
 128         mAnchor.getLocationOnScreen(location);
 129
 130         Rect anchorRect = new Rect(location[0], location[1], location[0]
 131                 + mAnchor.getWidth(), location[1] + mAnchor.getHeight());
 132
 133         root.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
 134                 LayoutParams.WRAP_CONTENT));
 135         root.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
 136
 137         int rootW = root.getWidth(), rootH = root.getHeight();
 138         int screenW = mWManager.getDefaultDisplay().getWidth();
 139
 140         int xpos = ((screenW - rootW) / 2) + x;
 141         int ypos = anchorRect.top - rootH + y;
 142
 143         if (rootH > anchorRect.top) {
 144             ypos = anchorRect.bottom + y;
 145         }
 146         mWindow.showAtLocation(mAnchor, Gravity.NO_GRAVITY, xpos, ypos);
 147     }
 148
 149     public void dismiss() {
 150         mWindow.dismiss();
 151     }
 152
 153 }