/*******************************************************************************
* Copyright Lorensius. W. L. T
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
package com.fanfou.app.opensource.ui.quickaction;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.ImageView;
import android.widget.PopupWindow.OnDismissListener;
import android.widget.ScrollView;
import android.widget.TextView;
import com.fanfou.app.opensource.R;
/**
* QuickAction dialog, shows action list as icon and text like the one in
* Gallery3D app. Currently supports vertical and horizontal layout.
*
* @author Lorensius W. L. T <lorenz@londatiga.net>
*
* Contributors: - Kevin Peck <kevinwpeck@gmail.com>
*/
public class QuickAction extends PopupWindows implements OnDismissListener {
/**
* Listener for item click
*
*/
public interface OnActionItemClickListener {
public abstract void onItemClick(QuickAction source, int pos,
int actionId);
}
/**
* Listener for window dismiss
*
*/
public interface OnDismissListener {
public abstract void onDismiss();
}
private View mRootView;
private ImageView mArrowUp;
private ImageView mArrowDown;
private final LayoutInflater mInflater;
private ViewGroup mTrack;
private ScrollView mScroller;
private OnActionItemClickListener mItemClickListener;
private OnDismissListener mDismissListener;
private final List<ActionItem> actionItems = new ArrayList<ActionItem>();
private boolean mDidAction;
private int mChildPos;
private int mInsertPos;
private int mAnimStyle;
private final int mOrientation;
private int rootWidth = 0;
public static final int HORIZONTAL = 0;
public static final int VERTICAL = 1;
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;
/**
* Constructor for default vertical layout
*
* @param context
* Context
*/
public QuickAction(final Context context) {
this(context, VERTICAL);
}
/**
* Constructor allowing orientation override
*
* @param context
* Context
* @param orientation
* Layout orientation, can be vartical or horizontal
*/
public QuickAction(final Context context, final int orientation) {
super(context);
mOrientation = orientation;
mInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (mOrientation == HORIZONTAL) {
setRootViewId(R.layout.popup_horizontal);
} else {
setRootViewId(R.layout.popup_vertical);
}
mAnimStyle = ANIM_AUTO;
mChildPos = 0;
}
/**
* Add action item
*
* @param action
* {@link ActionItem}
*/
public void addActionItem(final ActionItem action) {
actionItems.add(action);
final String title = action.getTitle();
final Drawable icon = action.getIcon();
View container;
if (mOrientation == HORIZONTAL) {
container = mInflater
.inflate(R.layout.action_item_horizontal, null);
} else {
container = mInflater.inflate(R.layout.action_item_vertical, null);
}
final ImageView img = (ImageView) container.findViewById(R.id.iv_icon);
final TextView text = (TextView) container.findViewById(R.id.tv_title);
if (icon != null) {
img.setImageDrawable(icon);
} else {
img.setVisibility(View.GONE);
}
if (title != null) {
text.setText(title);
} else {
text.setVisibility(View.GONE);
}
final int pos = mChildPos;
final int actionId = action.getActionId();
container.setOnClickListener(new OnClickListener() {
@Override
public void onClick(final View v) {
if (mItemClickListener != null) {
mItemClickListener.onItemClick(QuickAction.this, pos,
actionId);
}
if (!getActionItem(pos).isSticky()) {
mDidAction = true;
dismiss();
}
}
});
container.setFocusable(true);
container.setClickable(true);
// if (mOrientation == HORIZONTAL && mChildPos != 0) {
// View separator = mInflater.inflate(R.layout.horiz_separator, null);
//
// RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
// LayoutParams.WRAP_CONTENT, LayoutParams.FILL_PARENT);
//
// separator.setLayoutParams(params);
// separator.setPadding(5, 0, 5, 0);
//
// mTrack.addView(separator, mInsertPos);
//
// mInsertPos++;
// }
mTrack.addView(container, mInsertPos);
mChildPos++;
mInsertPos++;
}
/**
* Get action item at an index
*
* @param index
* Index of item (position from callback)
*
* @return Action Item at the position
*/
public ActionItem getActionItem(final int index) {
return actionItems.get(index);
}
@Override
public void onDismiss() {
if (!mDidAction && (mDismissListener != null)) {
mDismissListener.onDismiss();
}
}
/**
* 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
*/
private void setAnimationStyle(final int screenWidth, final int requestedX,
final boolean onTop) {
final int arrowPos = requestedX - (mArrowUp.getMeasuredWidth() / 2);
switch (mAnimStyle) {
case ANIM_GROW_FROM_LEFT:
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left
: R.style.Animations_PopDownMenu_Left);
break;
case ANIM_GROW_FROM_RIGHT:
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right
: R.style.Animations_PopDownMenu_Right);
break;
case ANIM_GROW_FROM_CENTER:
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center
: R.style.Animations_PopDownMenu_Center);
break;
case ANIM_REFLECT:
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Reflect
: R.style.Animations_PopDownMenu_Reflect);
break;
case ANIM_AUTO:
if (arrowPos <= (screenWidth / 4)) {
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left
: R.style.Animations_PopDownMenu_Left);
} else if ((arrowPos > (screenWidth / 4))
&& (arrowPos < (3 * (screenWidth / 4)))) {
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center
: R.style.Animations_PopDownMenu_Center);
} else {
mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right
: R.style.Animations_PopDownMenu_Right);
}
break;
}
}
/**
* Set animation style
*
* @param mAnimStyle
* animation style, default is set to ANIM_AUTO
*/
public void setAnimStyle(final int mAnimStyle) {
this.mAnimStyle = mAnimStyle;
}
/**
* Set listener for action item clicked.
*
* @param listener
* Listener
*/
public void setOnActionItemClickListener(
final OnActionItemClickListener listener) {
mItemClickListener = listener;
}
/**
* Set listener for window dismissed. This listener will only be fired if
* the quicakction dialog is dismissed by clicking outside the dialog or
* clicking on sticky item.
*/
public void setOnDismissListener(
final QuickAction.OnDismissListener listener) {
setOnDismissListener(this);
mDismissListener = listener;
}
/**
* Set root view.
*
* @param id
* Layout resource id
*/
public void setRootViewId(final int id) {
mRootView = mInflater.inflate(id, null);
mTrack = (ViewGroup) mRootView.findViewById(R.id.tracks);
mArrowDown = (ImageView) mRootView.findViewById(R.id.arrow_down);
mArrowUp = (ImageView) mRootView.findViewById(R.id.arrow_up);
mScroller = (ScrollView) mRootView.findViewById(R.id.scroller);
// This was previously defined on show() method, moved here to prevent
// force close that occured
// when tapping fastly on a view to show quickaction dialog.
// Thanx to zammbi (github.com/zammbi)
mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
setContentView(mRootView);
}
/**
* Show quickaction popup. Popup is automatically positioned, on top or
* bottom of anchor view.
*
*/
public void show(final View anchor) {
preShow();
int xPos, yPos, arrowPos;
mDidAction = false;
final int[] location = new int[2];
anchor.getLocationOnScreen(location);
final Rect anchorRect = new Rect(location[0], location[1], location[0]
+ anchor.getWidth(), location[1] + anchor.getHeight());
// mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
// LayoutParams.WRAP_CONTENT));
mRootView.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
final int rootHeight = mRootView.getMeasuredHeight();
if (rootWidth == 0) {
rootWidth = mRootView.getMeasuredWidth();
}
final int screenWidth = mWindowManager.getDefaultDisplay().getWidth();
final int screenHeight = mWindowManager.getDefaultDisplay().getHeight();
// automatically get X coord of popup (top left)
if ((anchorRect.left + rootWidth) > screenWidth) {
xPos = anchorRect.left - (rootWidth - anchor.getWidth());
xPos = (xPos < 0) ? 0 : xPos;
arrowPos = anchorRect.centerX() - xPos;
} else {
if (anchor.getWidth() > rootWidth) {
xPos = anchorRect.centerX() - (rootWidth / 2);
} else {
xPos = anchorRect.left;
}
arrowPos = anchorRect.centerX() - xPos;
}
final int dyTop = anchorRect.top;
final int dyBottom = screenHeight - anchorRect.bottom;
final boolean onTop = (dyTop > dyBottom) ? true : false;
if (onTop) {
if (rootHeight > dyTop) {
yPos = 15;
final LayoutParams l = mScroller.getLayoutParams();
l.height = dyTop - anchor.getHeight();
} else {
yPos = anchorRect.top - rootHeight;
}
// add by mcxiaoke
yPos += anchorRect.height() / 3;
} else {
yPos = anchorRect.bottom;
if (rootHeight > dyBottom) {
final LayoutParams l = mScroller.getLayoutParams();
l.height = dyBottom;
}
// add by mcxiaoke
yPos -= anchorRect.height() / 3;
}
showArrow(((onTop) ? R.id.arrow_down : R.id.arrow_up), arrowPos);
setAnimationStyle(screenWidth, anchorRect.centerX(), onTop);
mWindow.showAtLocation(anchor, Gravity.NO_GRAVITY, xPos, yPos);
}
/**
* Show arrow
*
* @param whichArrow
* arrow type resource id
* @param requestedX
* distance from left screen
*/
private void showArrow(final int whichArrow, final int requestedX) {
final View showArrow = (whichArrow == R.id.arrow_up) ? mArrowUp
: mArrowDown;
final View hideArrow = (whichArrow == R.id.arrow_up) ? mArrowDown
: mArrowUp;
final int arrowWidth = mArrowUp.getMeasuredWidth();
showArrow.setVisibility(View.VISIBLE);
final ViewGroup.MarginLayoutParams param = (ViewGroup.MarginLayoutParams) showArrow
.getLayoutParams();
param.leftMargin = requestedX - (arrowWidth / 2);
hideArrow.setVisibility(View.INVISIBLE);
}
/**
* Show quickaction popup. Popup is automatically positioned, on top or
* bottom of anchor view.
*
*/
public void showOriginal(final View anchor) {
preShow();
int xPos, yPos, arrowPos;
mDidAction = false;
final int[] location = new int[2];
anchor.getLocationOnScreen(location);
final Rect anchorRect = new Rect(location[0], location[1], location[0]
+ anchor.getWidth(), location[1] + anchor.getHeight());
// mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
// LayoutParams.WRAP_CONTENT));
mRootView.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
final int rootHeight = mRootView.getMeasuredHeight();
if (rootWidth == 0) {
rootWidth = mRootView.getMeasuredWidth();
}
final int screenWidth = mWindowManager.getDefaultDisplay().getWidth();
final int screenHeight = mWindowManager.getDefaultDisplay().getHeight();
// automatically get X coord of popup (top left)
if ((anchorRect.left + rootWidth) > screenWidth) {
xPos = anchorRect.left - (rootWidth - anchor.getWidth());
xPos = (xPos < 0) ? 0 : xPos;
arrowPos = anchorRect.centerX() - xPos;
} else {
if (anchor.getWidth() > rootWidth) {
xPos = anchorRect.centerX() - (rootWidth / 2);
} else {
xPos = anchorRect.left;
}
arrowPos = anchorRect.centerX() - xPos;
}
final int dyTop = anchorRect.top;
final int dyBottom = screenHeight - anchorRect.bottom;
final boolean onTop = (dyTop > dyBottom) ? true : false;
if (onTop) {
if (rootHeight > dyTop) {
yPos = 15;
final LayoutParams l = mScroller.getLayoutParams();
l.height = dyTop - anchor.getHeight();
} else {
yPos = anchorRect.top - rootHeight;
}
} else {
yPos = anchorRect.bottom;
if (rootHeight > dyBottom) {
final LayoutParams l = mScroller.getLayoutParams();
l.height = dyBottom;
}
}
showArrow(((onTop) ? R.id.arrow_down : R.id.arrow_up), arrowPos);
setAnimationStyle(screenWidth, anchorRect.centerX(), onTop);
mWindow.showAtLocation(anchor, Gravity.NO_GRAVITY, xPos, yPos);
}
}