Common/src/com/googlecode/android_scripting/facade/ui/FullScreenTask.java - platform/external/sl4a - Git at Google

 /*
  * Copyright (C) 2016 Google Inc.
  *
  * 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.googlecode.android_scripting.facade.ui;

 import android.R;
 import android.os.Handler;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup.LayoutParams;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.Button;
 import android.widget.LinearLayout;
 import android.widget.TextView;

 import com.googlecode.android_scripting.facade.EventFacade;
 import com.googlecode.android_scripting.future.FutureActivityTask;

 import java.io.StringReader;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CountDownLatch;

 import org.json.JSONArray;
 import org.xmlpull.v1.XmlPullParser;

 public class FullScreenTask extends FutureActivityTask<Object> implements OnClickListener,
     OnItemClickListener {
   private EventFacade mEventFacade;
   private UiFacade mUiFacade;
   public View mView = null;
   protected ViewInflater mInflater = new ViewInflater();
   protected String mLayout;
   protected final CountDownLatch mShowLatch = new CountDownLatch(1);
   protected Handler mHandler = null;
   private List<Integer> mOverrideKeys;
   protected String mTitle;

   public FullScreenTask(String layout, String title) {
     super();
     mLayout = layout;
     if (title != null) {
       mTitle = title;
     } else {
       mTitle = "SL4a";
     }
   }

   @Override
   public void onCreate() {
     // super.onCreate();
     if (mHandler == null) {
       mHandler = new Handler();
     }
     mInflater.getErrors().clear();
     try {
       if (mView == null) {
         StringReader sr = new StringReader(mLayout);
         XmlPullParser xml = ViewInflater.getXml(sr);
         mView = mInflater.inflate(getActivity(), xml);
       }
     } catch (Exception e) {
       mInflater.getErrors().add(e.toString());
       mView = defaultView();
       mInflater.setIdList(R.id.class);
     }
     getActivity().setContentView(mView);
     getActivity().setTitle(mTitle);
     mInflater.setClickListener(mView, this, this);
     mShowLatch.countDown();
   }

   @Override
   public void onDestroy() {
     mEventFacade.postEvent("screen", "destroy");
     super.onDestroy();
   }

   /** default view in case of errors */
   protected View defaultView() {
     LinearLayout result = new LinearLayout(getActivity());
     result.setOrientation(LinearLayout.VERTICAL);
     TextView text = new TextView(getActivity());
     text.setText("Sample Layout");
     result.addView(text, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
     Button b = new Button(getActivity());
     b.setText("OK");
     result.addView(b, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
     return result;
   }

   public EventFacade getEventFacade() {
     return mEventFacade;
   }

   public void setEventFacade(EventFacade eventFacade) {
     mEventFacade = eventFacade;
   }

   public void setUiFacade(UiFacade uiFacade) {
     mUiFacade = uiFacade;
   }

   public CountDownLatch getShowLatch() {
     return mShowLatch;
   }

   public Map<String, Map<String, String>> getViewAsMap() {
     return mInflater.getViewAsMap(mView);
   }

   private View getViewByName(String idName) {
     View result = null;
     int id = mInflater.getId(idName);
     if (id != 0) {
       result = mView.findViewById(id);
     }
     return result;
   }

   public Map<String, String> getViewDetail(String idName) {
     Map<String, String> result = new HashMap<String, String>();
     result.put("error", "id not found (" + idName + ")");
     View v = getViewByName(idName);
     if (v != null) {
       result = mInflater.getViewInfo(v);
     }
     return result;
   }

   public String setViewProperty(String idName, String property, String value) {
     View v = getViewByName(idName);
     mInflater.getErrors().clear();
     if (v != null) {
       SetProperty p = new SetProperty(v, property, value);
       mHandler.post(p);
       try {
         p.mLatch.await();
       } catch (InterruptedException e) {
         mInflater.getErrors().add(e.toString());
       }
     } else {
       return "View " + idName + " not found.";
     }
     if (mInflater.getErrors().size() == 0) {
       return "OK";
     }
     return mInflater.getErrors().get(0);
   }

   public String setList(String id, JSONArray items) {
     View v = getViewByName(id);
     mInflater.getErrors().clear();
     if (v != null) {
       SetList p = new SetList(v, items);
       mHandler.post(p);
       try {
         p.mLatch.await();
       } catch (InterruptedException e) {
         mInflater.getErrors().add(e.toString());
       }
     } else {
       return "View " + id + " not found.";
     }
     if (mInflater.getErrors().size() == 0) {
       return "OK";
     }
     return mInflater.getErrors().get(0);
   }

   @Override
   public void onClick(View view) {
     mEventFacade.postEvent("click", mInflater.getViewInfo(view));
   }

   public void loadLayout(String layout) {
     ViewInflater inflater = new ViewInflater();
     View view;
     StringReader sr = new StringReader(layout);
     try {
       XmlPullParser xml = ViewInflater.getXml(sr);
       view = inflater.inflate(getActivity(), xml);
       mView = view;
       mInflater = inflater;
       getActivity().setContentView(mView);
       mInflater.setClickListener(mView, this, this);
       mLayout = layout;
       mView.invalidate();
     } catch (Exception e) {
       mInflater.getErrors().add(e.toString());
     }
   }

   private class SetProperty implements Runnable {
     View mView;
     String mProperty;
     String mValue;
     CountDownLatch mLatch = new CountDownLatch(1);

     SetProperty(View view, String property, String value) {
       mView = view;
       mProperty = property;
       mValue = value;
     }

     @Override
     public void run() {
       // TODO Auto-generated method stub
       mInflater.setProperty(mView, mProperty, mValue);
       mView.invalidate();
       mLatch.countDown();
     }
   }

   private class SetList implements Runnable {
     View mView;
     JSONArray mItems;
     CountDownLatch mLatch = new CountDownLatch(1);

     SetList(View view, JSONArray items) {
       mView = view;
       mItems = items;
       mLatch.countDown();
     }

     @Override
     public void run() {
       mInflater.setListAdapter(mView, mItems);
       mView.invalidate();
     }
   }

   private class SetLayout implements Runnable {
     String mLayout;
     CountDownLatch mLatch = new CountDownLatch(1);

     SetLayout(String layout) {
       mLayout = layout;
     }

     @Override
     public void run() {
       loadLayout(mLayout);
       mLatch.countDown();
     }
   }

   private class SetTitle implements Runnable {
     String mSetTitle;
     CountDownLatch mLatch = new CountDownLatch(1);

     SetTitle(String title) {
       mSetTitle = title;
     }

     @Override
     public void run() {
       mTitle = mSetTitle;
       getActivity().setTitle(mSetTitle);
       mLatch.countDown();
     }
   }

   @Override
   public boolean onKeyDown(int keyCode, KeyEvent event) {
     Map<String, String> data = new HashMap<String, String>();
     data.put("key", String.valueOf(keyCode));
     data.put("action", String.valueOf(event.getAction()));
     mEventFacade.postEvent("key", data);
     boolean overrideKey =
         (keyCode == KeyEvent.KEYCODE_BACK)
             || (mOverrideKeys == null ? false : mOverrideKeys.contains(keyCode));
     return overrideKey;
   }

   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
     return mUiFacade.onPrepareOptionsMenu(menu);
   }

   @Override
   public void onItemClick(AdapterView<?> aview, View aitem, int position, long id) {
     Map<String, String> data = mInflater.getViewInfo(aview);
     data.put("position", String.valueOf(position));
     mEventFacade.postEvent("itemclick", data);
   }

   public void setOverrideKeys(List<Integer> overrideKeys) {
     mOverrideKeys = overrideKeys;
   }

   // Used to hot-switch screens.
   public void setLayout(String layout) {
     SetLayout p = new SetLayout(layout);
     mHandler.post(p);
     try {
       p.mLatch.await();
     } catch (InterruptedException e) {
       mInflater.getErrors().add(e.toString());
     }
   }

   public void setTitle(String title) {
     SetTitle p = new SetTitle(title);
     mHandler.post(p);
     try {
       p.mLatch.await();
     } catch (InterruptedException e) {
       mInflater.getErrors().add(e.toString());
     }
   }

 }
	/*
	* Copyright (C) 2016 Google Inc.
	*
	* 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.googlecode.android_scripting.facade.ui;

	import android.R;
	import android.os.Handler;
	import android.view.KeyEvent;
	import android.view.Menu;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.ViewGroup.LayoutParams;
	import android.widget.AdapterView;
	import android.widget.AdapterView.OnItemClickListener;
	import android.widget.Button;
	import android.widget.LinearLayout;
	import android.widget.TextView;

	import com.googlecode.android_scripting.facade.EventFacade;
	import com.googlecode.android_scripting.future.FutureActivityTask;

	import java.io.StringReader;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.concurrent.CountDownLatch;

	import org.json.JSONArray;
	import org.xmlpull.v1.XmlPullParser;

	public class FullScreenTask extends FutureActivityTask<Object> implements OnClickListener,
	OnItemClickListener {
	private EventFacade mEventFacade;
	private UiFacade mUiFacade;
	public View mView = null;
	protected ViewInflater mInflater = new ViewInflater();
	protected String mLayout;
	protected final CountDownLatch mShowLatch = new CountDownLatch(1);
	protected Handler mHandler = null;
	private List<Integer> mOverrideKeys;
	protected String mTitle;

	public FullScreenTask(String layout, String title) {
	super();
	mLayout = layout;
	if (title != null) {
	mTitle = title;
	} else {
	mTitle = "SL4a";
	}
	}

	@Override
	public void onCreate() {
	// super.onCreate();
	if (mHandler == null) {
	mHandler = new Handler();
	}
	mInflater.getErrors().clear();
	try {
	if (mView == null) {
	StringReader sr = new StringReader(mLayout);
	XmlPullParser xml = ViewInflater.getXml(sr);
	mView = mInflater.inflate(getActivity(), xml);
	}
	} catch (Exception e) {
	mInflater.getErrors().add(e.toString());
	mView = defaultView();
	mInflater.setIdList(R.id.class);
	}
	getActivity().setContentView(mView);
	getActivity().setTitle(mTitle);
	mInflater.setClickListener(mView, this, this);
	mShowLatch.countDown();
	}

	@Override
	public void onDestroy() {
	mEventFacade.postEvent("screen", "destroy");
	super.onDestroy();
	}

	/** default view in case of errors */
	protected View defaultView() {
	LinearLayout result = new LinearLayout(getActivity());
	result.setOrientation(LinearLayout.VERTICAL);
	TextView text = new TextView(getActivity());
	text.setText("Sample Layout");
	result.addView(text, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
	Button b = new Button(getActivity());
	b.setText("OK");
	result.addView(b, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
	return result;
	}

	public EventFacade getEventFacade() {
	return mEventFacade;
	}

	public void setEventFacade(EventFacade eventFacade) {
	mEventFacade = eventFacade;
	}

	public void setUiFacade(UiFacade uiFacade) {
	mUiFacade = uiFacade;
	}

	public CountDownLatch getShowLatch() {
	return mShowLatch;
	}

	public Map<String, Map<String, String>> getViewAsMap() {
	return mInflater.getViewAsMap(mView);
	}

	private View getViewByName(String idName) {
	View result = null;
	int id = mInflater.getId(idName);
	if (id != 0) {
	result = mView.findViewById(id);
	}
	return result;
	}

	public Map<String, String> getViewDetail(String idName) {
	Map<String, String> result = new HashMap<String, String>();
	result.put("error", "id not found (" + idName + ")");
	View v = getViewByName(idName);
	if (v != null) {
	result = mInflater.getViewInfo(v);
	}
	return result;
	}

	public String setViewProperty(String idName, String property, String value) {
	View v = getViewByName(idName);
	mInflater.getErrors().clear();
	if (v != null) {
	SetProperty p = new SetProperty(v, property, value);
	mHandler.post(p);
	try {
	p.mLatch.await();
	} catch (InterruptedException e) {
	mInflater.getErrors().add(e.toString());
	}
	} else {
	return "View " + idName + " not found.";
	}
	if (mInflater.getErrors().size() == 0) {
	return "OK";
	}
	return mInflater.getErrors().get(0);
	}

	public String setList(String id, JSONArray items) {
	View v = getViewByName(id);
	mInflater.getErrors().clear();
	if (v != null) {
	SetList p = new SetList(v, items);
	mHandler.post(p);
	try {
	p.mLatch.await();
	} catch (InterruptedException e) {
	mInflater.getErrors().add(e.toString());
	}
	} else {
	return "View " + id + " not found.";
	}
	if (mInflater.getErrors().size() == 0) {
	return "OK";
	}
	return mInflater.getErrors().get(0);
	}

	@Override
	public void onClick(View view) {
	mEventFacade.postEvent("click", mInflater.getViewInfo(view));
	}

	public void loadLayout(String layout) {
	ViewInflater inflater = new ViewInflater();
	View view;
	StringReader sr = new StringReader(layout);
	try {
	XmlPullParser xml = ViewInflater.getXml(sr);
	view = inflater.inflate(getActivity(), xml);
	mView = view;
	mInflater = inflater;
	getActivity().setContentView(mView);
	mInflater.setClickListener(mView, this, this);
	mLayout = layout;
	mView.invalidate();
	} catch (Exception e) {
	mInflater.getErrors().add(e.toString());
	}
	}

	private class SetProperty implements Runnable {
	View mView;
	String mProperty;
	String mValue;
	CountDownLatch mLatch = new CountDownLatch(1);

	SetProperty(View view, String property, String value) {
	mView = view;
	mProperty = property;
	mValue = value;
	}

	@Override
	public void run() {
	// TODO Auto-generated method stub
	mInflater.setProperty(mView, mProperty, mValue);
	mView.invalidate();
	mLatch.countDown();
	}
	}

	private class SetList implements Runnable {
	View mView;
	JSONArray mItems;
	CountDownLatch mLatch = new CountDownLatch(1);

	SetList(View view, JSONArray items) {
	mView = view;
	mItems = items;
	mLatch.countDown();
	}

	@Override
	public void run() {
	mInflater.setListAdapter(mView, mItems);
	mView.invalidate();
	}
	}

	private class SetLayout implements Runnable {
	String mLayout;
	CountDownLatch mLatch = new CountDownLatch(1);

	SetLayout(String layout) {
	mLayout = layout;
	}

	@Override
	public void run() {
	loadLayout(mLayout);
	mLatch.countDown();
	}
	}

	private class SetTitle implements Runnable {
	String mSetTitle;
	CountDownLatch mLatch = new CountDownLatch(1);

	SetTitle(String title) {
	mSetTitle = title;
	}

	@Override
	public void run() {
	mTitle = mSetTitle;
	getActivity().setTitle(mSetTitle);
	mLatch.countDown();
	}
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
	Map<String, String> data = new HashMap<String, String>();
	data.put("key", String.valueOf(keyCode));
	data.put("action", String.valueOf(event.getAction()));
	mEventFacade.postEvent("key", data);
	boolean overrideKey =
	(keyCode == KeyEvent.KEYCODE_BACK)
	\|\| (mOverrideKeys == null ? false : mOverrideKeys.contains(keyCode));
	return overrideKey;
	}

	@Override
	public boolean onPrepareOptionsMenu(Menu menu) {
	return mUiFacade.onPrepareOptionsMenu(menu);
	}

	@Override
	public void onItemClick(AdapterView<?> aview, View aitem, int position, long id) {
	Map<String, String> data = mInflater.getViewInfo(aview);
	data.put("position", String.valueOf(position));
	mEventFacade.postEvent("itemclick", data);
	}

	public void setOverrideKeys(List<Integer> overrideKeys) {
	mOverrideKeys = overrideKeys;
	}

	// Used to hot-switch screens.
	public void setLayout(String layout) {
	SetLayout p = new SetLayout(layout);
	mHandler.post(p);
	try {
	p.mLatch.await();
	} catch (InterruptedException e) {
	mInflater.getErrors().add(e.toString());
	}
	}

	public void setTitle(String title) {
	SetTitle p = new SetTitle(title);
	mHandler.post(p);
	try {
	p.mLatch.await();
	} catch (InterruptedException e) {
	mInflater.getErrors().add(e.toString());
	}
	}

	}