package com.piglet.widget;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.WindowManager;
import android.widget.PopupWindow;
import com.piglet.R;
public class QuickWindow {
protected final View anchor;
protected final PopupWindow window;
private View root;
private Drawable background = null;
protected final WindowManager windowManager;
private int animStyle = ANIM_AUTO;
public static final int ANIM_GROW_FROM_LEFT = 1;
public static final int ANIM_GROW_FROM_RIGHT = 2;
public static final int ANIM_GROW_FROM_CENTER = 3;
public static final int ANIM_REFLECT = 4;
public static final int ANIM_AUTO = 5;
/**
* Create a QuickAction
*
* @param anchor
* the view that the QuickAction will be displaying 'from'
*/
public QuickWindow(View anchor) {
this.anchor = anchor;
this.window = new PopupWindow(anchor.getContext());
// when a touch even happens outside of the window
// make the window go away
window.setTouchInterceptor(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_OUTSIDE) {
QuickWindow.this.window.dismiss();
return true;
}
return false;
}
});
windowManager = (WindowManager) anchor.getContext().getSystemService(
Context.WINDOW_SERVICE);
onCreate();
}
/**
* Set animation style
*
* @param animStyle
* animation style, default is set to ANIM_AUTO
*/
public void setAnimStyle(int animStyle) {
this.animStyle = animStyle;
}
/**
* Anything you want to have happen when created. Probably should create a
* view and setup the event listeners on child views.
*/
protected void onCreate() {
}
/**
* In case there is stuff to do right before displaying.
*/
protected void onShow() {
}
protected void preShow() {
if (root == null) {
throw new IllegalStateException(
"setContentView was not called with a view to display.");
}
onShow();
if (background == null) {
window.setBackgroundDrawable(new BitmapDrawable());
} else {
window.setBackgroundDrawable(background);
}
// if using PopupWindow#setBackgroundDrawable this is the only values of
// the width and hight that make it work
// otherwise you need to set the background of the root viewgroup
// and set the popupwindow background to an empty BitmapDrawable
window.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
window.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
window.setTouchable(true);
window.setFocusable(true);
window.setOutsideTouchable(true);
window.setContentView(root);
}
public void setBackgroundDrawable(Drawable background) {
this.background = background;
}
/**
* Sets the content view. Probably should be called from {@link onCreate}
*
* @param root
* the view the popup will display
*/
public void setContentView(View root) {
this.root = root;
window.setContentView(root);
}
/**
* Will inflate and set the view from a resource id
*
* @param layoutResID
*/
public void setContentView(int layoutResID) {
LayoutInflater inflator = (LayoutInflater) anchor.getContext()
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
setContentView(inflator.inflate(layoutResID, null));
}
/**
* If you want to do anything when {@link dismiss} is called
*
* @param listener
*/
public void setOnDismissListener(PopupWindow.OnDismissListener listener) {
window.setOnDismissListener(listener);
}
/**
* Displays like a popdown menu from the anchor view
*/
public void showDropDown() {
showDropDown(0, 0);
}
/**
* Displays like a popdown menu from the anchor view.
*
* @param xOffset
* offset in X direction
* @param yOffset
* offset in Y direction
*/
public void showDropDown(int xOffset, int yOffset) {
preShow();
window.setAnimationStyle(R.style.Animations_PopDownMenu);
window.showAsDropDown(anchor, xOffset, yOffset);
}
/**
* Displays like a QuickAction from the anchor view.
*/
public void showLikeQuickAction() {
showLikeQuickAction(0, 0);
}
/**
* Displays like a QuickAction from the anchor view.
*
* @param xOffset
* offset in the X direction
* @param yOffset
* offset in the Y direction
*/
public void showLikeQuickAction(int xOffset, int yOffset) {
preShow();
window.setAnimationStyle(R.style.Animations_PopUpMenu_Center);
int[] location = new int[2];
anchor.getLocationOnScreen(location);
Rect anchorRect = new Rect(location[0], location[1], location[0]
+ anchor.getWidth(), location[1] + anchor.getHeight());
root.setLayoutParams(new ViewGroup.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
root.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
int rootWidth = root.getMeasuredWidth();
int rootHeight = root.getMeasuredHeight();
int screenWidth = windowManager.getDefaultDisplay().getWidth();
// int screenHeight = windowManager.getDefaultDisplay().getHeight();
int xPos = ((screenWidth - rootWidth) / 2) + xOffset;
int yPos = anchorRect.top - rootHeight + yOffset;
// display on bottom
if (rootHeight > anchorRect.top) {
yPos = anchorRect.bottom + yOffset;
window.setAnimationStyle(R.style.Animations_PopDownMenu_Center);
}
window.showAtLocation(anchor, Gravity.NO_GRAVITY, xPos, yPos);
}
public void dismiss() {
window.dismiss();
}
public void showCovered() {
preShow();
int[] location = new int[2];
anchor.getLocationInWindow(location);
Rect anchorRect = new Rect(location[0], location[1], location[0]
+ anchor.getWidth(), location[1] + anchor.getHeight());
root.setLayoutParams(new ViewGroup.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
root.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
int screenWidth = windowManager.getDefaultDisplay().getWidth();
int screenHeight = windowManager.getDefaultDisplay().getHeight();
int dyTop = anchorRect.top;
int dyBottom = screenHeight - anchorRect.bottom;
boolean onTop = (dyTop > dyBottom) ? true : false;
setAnimationStyle(screenWidth, anchorRect.centerX(), onTop);
window.showAtLocation(anchor, Gravity.NO_GRAVITY, anchorRect.left,
anchorRect.top);
}
/**
* Set animation style
*
* @param screenWidth
* screen width
* @param requestedX
* distance from left edge
* @param onTop
* flag to indicate where the popup should be displayed. Set TRUE
* if displayed on top of anchor view and vice versa
*/
protected void setAnimationStyle(int screenWidth, int requestedX,
boolean onTop) {
int arrowPos = requestedX - 5;// mArrowUp.getMeasuredWidth()/2;
switch (animStyle) {
case ANIM_GROW_FROM_LEFT:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left
: R.style.Animations_PopDownMenu_Left);
break;
case ANIM_GROW_FROM_RIGHT:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right
: R.style.Animations_PopDownMenu_Right);
break;
case ANIM_GROW_FROM_CENTER:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center
: R.style.Animations_PopDownMenu_Center);
break;
case ANIM_REFLECT:
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Reflect
: R.style.Animations_PopDownMenu_Reflect);
break;
case ANIM_AUTO:
if (arrowPos <= screenWidth / 4) {
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left
: R.style.Animations_PopDownMenu_Left);
} else if (arrowPos > screenWidth / 4
&& arrowPos < 3 * (screenWidth / 4)) {
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center
: R.style.Animations_PopDownMenu_Center);
} else {
window.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right
: R.style.Animations_PopDownMenu_Right);
}
break;
}
}
public boolean isShowing() {
return window == null ? false : window.isShowing();
}
}