/*
* Copyright (C) 2009 The Android Open Source Project
*
* 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.mogoo.launcher2;
import android.app.AlertDialog;
import android.app.Dialog;
import android.appwidget.AppWidgetHostView;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewConfiguration;
import com.mogoo.launcher.R;
/**
* {@inheritDoc}
*/
public class LauncherAppWidgetHostView extends AppWidgetHostView implements OnClickListener {
private final static String TAG = "Launcher.LauncherAppWidgetHostView" ;
private boolean mHasPerformedLongPress;
private CheckForLongPress mPendingCheckForLongPress;
private LayoutInflater mInflater;
//add by 张永辉
private View button;
private Bitmap delBitmap;
private boolean showDelIcon = false ;
private Launcher launcher;
//end
public LauncherAppWidgetHostView(Context context) {
super(context);
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
//add by 张永辉
button = new View(context);
delBitmap = ((LauncherApplication)(context.getApplicationContext())).getIconCache().getBitmap(R.drawable.mogoo_del) ;
button.setBackgroundResource(R.drawable.mogoo_del);
button.setOnClickListener(this);
//end
}
@Override
protected View getErrorView() {
return mInflater.inflate(R.layout.appwidget_error, this, false);
}
public boolean onInterceptTouchEvent(MotionEvent ev) {
// Consume any touch events for ourselves after longpress is triggered
if (mHasPerformedLongPress) {
mHasPerformedLongPress = false;
return true;
}
// Watch for longpress events at this level to make sure
// users can always pick up this widget
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN: {
postCheckForLongClick();
break;
}
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mHasPerformedLongPress = false;
if (mPendingCheckForLongPress != null) {
removeCallbacks(mPendingCheckForLongPress);
}
break;
}
// Otherwise continue letting touch events fall through to children
return false;
}
class CheckForLongPress implements Runnable {
private int mOriginalWindowAttachCount;
public void run() {
if ((LauncherAppWidgetHostView.this.getParent() != null) && hasWindowFocus()
&& mOriginalWindowAttachCount == getWindowAttachCount()
&& !mHasPerformedLongPress) {
if (performLongClick()) {
mHasPerformedLongPress = true;
}
}
}
public void rememberWindowAttachCount() {
mOriginalWindowAttachCount = getWindowAttachCount();
}
}
private void postCheckForLongClick() {
mHasPerformedLongPress = false;
if (mPendingCheckForLongPress == null) {
mPendingCheckForLongPress = new CheckForLongPress();
}
mPendingCheckForLongPress.rememberWindowAttachCount();
postDelayed(mPendingCheckForLongPress, ViewConfiguration.getLongPressTimeout());
}
@Override
public void cancelLongPress() {
super.cancelLongPress();
mHasPerformedLongPress = false;
if (mPendingCheckForLongPress != null) {
removeCallbacks(mPendingCheckForLongPress);
}
}
/**
* 张永辉 2011-2-24
*/
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
if(this.showDelIcon){
CellLayout.LayoutParams lay = (CellLayout.LayoutParams) getLayoutParams();
lay.width = delBitmap.getWidth();
lay.height = delBitmap.getHeight();
lay.x = this.getLeft();
lay.y = this.getTop();
if (button != null) {
removeView(button) ;
addView(button, lay);
}
}else{
removeView(button) ;
}
}
/**
* 张永辉 2011-2-24
*/
public void onClick(View v) {
Dialog dialog22 = new AlertDialog.Builder(this.getContext())
.setMessage(this.getContext().getString(R.string.mogoo_del_ask) + " " + " ?")
.setPositiveButton(this.getContext().getString(R.string.mogoo_ok),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog1, int whichButton) {
try {
if (launcher != null) {
launcher.removeAppWidget((LauncherAppWidgetInfo)getTag());
final LauncherAppWidgetHost appWidgetHost = launcher.getAppWidgetHost();
if (appWidgetHost != null) {
appWidgetHost.deleteAppWidgetId(((LauncherAppWidgetInfo)getTag()).appWidgetId);
}
LauncherModel.deleteItemFromDatabase(launcher, (LauncherAppWidgetInfo)getTag());
CellLayout cellLayout = (CellLayout)(launcher.getWorkspace().getChildAt(launcher.getWorkspace().getCurrentScreen())) ;
cellLayout.removeView(LauncherAppWidgetHostView.this) ;
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
})
.setNeutralButton(this.getContext().getString(R.string.mogoo_cancal),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog1, int whichButton) {
dialog1.dismiss() ;
}
}).create();
dialog22.show();
}
/**
*
* @ author: 张永辉 2011-2-24
*@param launcher
*/
public void setLauncher(Launcher launcher) {
this.launcher = launcher;
}
/**
* 显示删除按钮
* @ author:张永辉
*/
public void showDelIcon(){
this.showDelIcon = true ;
this.requestLayout() ;
}
public boolean isDelIconState()
{
return showDelIcon;
}
/**
* 去掉删除按钮
* @ author:张永辉
*/
public void removeDelIcon(){
this.showDelIcon = false ;
this.requestLayout() ;
}
}