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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.ui;
  20
  21 import android.content.Context;
  22 import android.graphics.Rect;
  23 import android.graphics.drawable.BitmapDrawable;
  24 import android.graphics.drawable.Drawable;
  25 import android.view.Gravity;
  26 import android.view.LayoutInflater;
  27 import android.view.MotionEvent;
  28 import android.view.View;
  29 import android.view.WindowManager;
  30 import android.view.View.OnTouchListener;
  31 import android.view.ViewGroup.LayoutParams;
  32 import android.widget.PopupWindow;
  33
  34 /**
  35  * Represents a custom PopupWindows
  36  *
  37  * @author Lorensius. W. T
  38  *
  39  */
  40 public class CustomPopup {
  41     protected final View mAnchor;
  42     protected final PopupWindow mWindow;
  43     private View root;
  44     private Drawable background = null;
  45     protected final WindowManager mWManager;
  46
  47     public CustomPopup(View anchor) {
  48         mAnchor = anchor;
  49         mWindow = new PopupWindow(anchor.getContext());
  50
  51         mWindow.setTouchInterceptor(new OnTouchListener() {
  52
  53             public boolean onTouch(View v, MotionEvent event) {
  54                 if (event.getAction() == MotionEvent.ACTION_OUTSIDE) {
  55                     CustomPopup.this.dismiss();
  56                     return true;
  57                 }
  58                 return false;
  59             }
  60         });
  61
  62         mWManager = (WindowManager) anchor.getContext().getSystemService(
  63                 Context.WINDOW_SERVICE);
  64         onCreate();
  65     }
  66
  67     public void onCreate() {
  68     }
  69
  70     public void onShow() {
  71     }
  72
  73     public void preShow() {
  74         if (root == null) {
  75             throw new IllegalStateException(
  76                     "setContentView called with a view to display");
  77         }
  78
  79         onShow();
  80
  81         if (background == null) {
  82             mWindow.setBackgroundDrawable(new BitmapDrawable());
  83         } else {
  84             mWindow.setBackgroundDrawable(background);
  85         }
  86
  87         mWindow.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
  88         mWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
  89         mWindow.setTouchable(true);
  90         mWindow.setFocusable(true);
  91         mWindow.setOutsideTouchable(true);
  92
  93         mWindow.setContentView(root);
  94     }
  95
  96     public void setBackgroundDrawable(Drawable background) {
  97         this.background = background;
  98     }
  99
 100     public void setContentView(View root) {
 101         this.root = root;
 102         mWindow.setContentView(root);
 103     }
 104
 105     public void setContentView(int layoutResId) {
 106         LayoutInflater inflater = (LayoutInflater) mAnchor.getContext()
 107                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 108         setContentView(inflater.inflate(layoutResId, null));
 109     }
 110
 111     public void showDropDown() {
 112         showDropDown(0, 0);
 113     }
 114
 115     public void showDropDown(int x, int y) {
 116         preShow();
 117         mWindow.setAnimationStyle(android.R.style.Animation_Dialog);
 118         mWindow.showAsDropDown(mAnchor, x, y);
 119     }
 120
 121     public void showLikeQuickAction() {
 122         showLikeQuickAction(0, 0);
 123     }
 124
 125     public void showLikeQuickAction(int x, int y) {
 126         preShow();
 127
 128         mWindow.setAnimationStyle(android.R.style.Animation_Dialog);
 129         int[] location = new int[2];
 130         mAnchor.getLocationOnScreen(location);
 131
 132         Rect anchorRect = new Rect(location[0], location[1], location[0]
 133                 + mAnchor.getWidth(), location[1] + mAnchor.getHeight());
 134
 135         root.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
 136                 LayoutParams.WRAP_CONTENT));
 137         root.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
 138
 139         int rootW = root.getWidth(), rootH = root.getHeight();
 140         int screenW = mWManager.getDefaultDisplay().getWidth();
 141
 142         int xpos = ((screenW - rootW) / 2) + x;
 143         int ypos = anchorRect.top - rootH + y;
 144
 145         if (rootH > anchorRect.top) {
 146             ypos = anchorRect.bottom + y;
 147         }
 148         mWindow.showAtLocation(mAnchor, Gravity.NO_GRAVITY, xpos, ypos);
 149     }
 150
 151     public void dismiss() {
 152         mWindow.dismiss();
 153     }
 154
 155 }