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package org.libreoffice.impressremote;
import org.libreoffice.impressremote.communication.CommunicationService;
import org.libreoffice.impressremote.communication.SlideShow;
import pl.polidea.coverflow.AbstractCoverFlowImageAdapter;
import pl.polidea.coverflow.CoverFlow;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ImageView;
import android.widget.TextView;
import com.actionbarsherlock.app.SherlockFragment;
public class PresentationFragment extends SherlockFragment {
private CoverFlow mTopView;
private ImageView mHandle;
private View mLayout;
private WebView mNotes;
private Context mContext;
private TextView mNumberText;
private CommunicationService mCommunicationService;
private float mOriginalCoverflowWidth;
private float mOriginalCoverflowHeight;
private float mNewCoverflowWidth = 0;
private float mNewCoverflowHeight = 0;
private ServiceConnection mConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName aClassName,
IBinder aService) {
mCommunicationService = ((CommunicationService.CBinder) aService)
.getService();
if (mTopView != null) {
mTopView.setAdapter(new ThumbnailAdapter(mContext,
mCommunicationService.getSlideShow()));
mTopView.setSelection(mCommunicationService.getSlideShow()
.getCurrentSlide(), true);
mTopView.setOnItemSelectedListener(new ClickListener());
}
updateSlideNumberDisplay();
}
@Override
public void onServiceDisconnected(ComponentName aClassName) {
mCommunicationService = null;
}
};
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
setRetainInstance(true);
getActivity().bindService(
new Intent(getActivity().getApplicationContext(),
CommunicationService.class),
mConnection, Context.BIND_IMPORTANT);
mContext = getActivity().getApplicationContext();
// container.removeAllViews();
View v = inflater.inflate(R.layout.fragment_presentation, container,
false);
mNotes = (WebView) v.findViewById(R.id.presentation_notes);
String summary = "<html><body>This is just a test<br/><ul><li>And item</li><li>And again</li></ul>More text<br/>Blabla<br/>Blabla<br/>blabla<br/>Blabla</body></html>";
mNotes.loadData(summary, "text/html", null);
mNotes.setBackgroundColor(Color.TRANSPARENT);
mTopView = (CoverFlow) v.findViewById(R.id.presentation_coverflow);
mLayout = v.findViewById(R.id.presentation_layout);
mNumberText = (TextView) v.findViewById(R.id.presentation_slidenumber);
mHandle = (ImageView) v.findViewById(R.id.presentation_handle);
mHandle.setOnTouchListener(new SizeListener());
// Save the height/width for future reference
mOriginalCoverflowHeight = mTopView.getImageHeight();
mOriginalCoverflowWidth = mTopView.getImageWidth();
if (mNewCoverflowHeight != 0) {
ThumbnailAdapter aAdapter = (ThumbnailAdapter) mTopView
.getAdapter();
aAdapter.setHeight(mNewCoverflowHeight);
mTopView.setImageHeight(mNewCoverflowHeight);
aAdapter.setWidth(mNewCoverflowWidth);
mTopView.setImageWidth(mNewCoverflowWidth);
// We need to update the view now
aAdapter.notifyDataSetChanged();
}
IntentFilter aFilter = new IntentFilter(
CommunicationService.MSG_SLIDE_CHANGED);
aFilter.addAction(CommunicationService.MSG_SLIDE_NOTES);
aFilter.addAction(CommunicationService.MSG_SLIDE_PREVIEW);
LocalBroadcastManager
.getInstance(getActivity().getApplicationContext())
.registerReceiver(mListener, aFilter);
return v;
}
@Override
public void onDestroyView() {
getActivity().unbindService(mConnection);
super.onDestroyView();
LocalBroadcastManager
.getInstance(getActivity().getApplicationContext())
.unregisterReceiver(mListener);
}
private void updateSlideNumberDisplay() {
int aSlide = mCommunicationService.getSlideShow().getCurrentSlide();
mNumberText.setText((aSlide + 1) + "/"
+ mCommunicationService.getSlideShow().getSize());
mNotes.loadData(mCommunicationService.getSlideShow().getNotes(aSlide),
"text/html", null);
}
// -------------------------------------------------- RESIZING LISTENER ----
private class SizeListener implements OnTouchListener {
@Override
public boolean onTouch(View aView, MotionEvent aEvent) {
switch (aEvent.getAction()) {
case MotionEvent.ACTION_DOWN:
mHandle.setImageResource(R.drawable.handle_light);
break;
case MotionEvent.ACTION_UP:
mHandle.setImageResource(R.drawable.handle_default);
break;
case MotionEvent.ACTION_MOVE:
final int DRAG_MARGIN = 120;
boolean aPortrait = (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT);
int aFlowSize = aPortrait ? mTopView.getHeight() : mTopView
.getWidth();
int aViewSize = aPortrait ? mLayout.getHeight() : mLayout
.getWidth();
// Calculate height change, taking limits into account
int aDiff = (int) (aPortrait ? aEvent.getY() : aEvent.getX());
if (aDiff + aFlowSize < DRAG_MARGIN) {
aDiff = DRAG_MARGIN - aFlowSize;
} else if ((aFlowSize + aDiff) > (aViewSize - DRAG_MARGIN)) {
aDiff = (aViewSize - DRAG_MARGIN) - aFlowSize;
}
// Now deal with the internal height
AbstractCoverFlowImageAdapter aAdapter = (AbstractCoverFlowImageAdapter) mTopView
.getAdapter();
double aRatio = mOriginalCoverflowWidth
/ mOriginalCoverflowHeight;
float aHeightNew;
float aWidthNew;
if (aPortrait) {
aHeightNew = mTopView.getImageHeight() + aDiff;
aWidthNew = (float) (aRatio * aHeightNew);
// Too wide -- so scale down
if (aWidthNew > mLayout.getWidth() - 50) {
aWidthNew = mLayout.getWidth() - 50;
aHeightNew = (float) (aWidthNew / aRatio);
aDiff = (int) (aHeightNew - mTopView.getImageHeight());
}
} else {
aWidthNew = mTopView.getImageWidth() + aDiff;
aHeightNew = (float) (aWidthNew / aRatio);
// Too High -- so scale down
if (aHeightNew > mLayout.getHeight() - 50) {
aHeightNew = mLayout.getHeight() - 50;
aWidthNew = (float) (aHeightNew * aRatio);
aDiff = (int) (aWidthNew - mTopView.getImageWidth());
}
}
mNewCoverflowHeight = aHeightNew;
mNewCoverflowWidth = aWidthNew;
aAdapter.setHeight(aHeightNew);
mTopView.setImageHeight(aHeightNew);
aAdapter.setWidth(aWidthNew);
mTopView.setImageWidth(aWidthNew);
// Force an update of the view
aAdapter.notifyDataSetChanged();
break;
}
return true;
}
}
// ----------------------------------------------------- CLICK LISTENER ----
protected class ClickListener implements OnItemSelectedListener {
@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int aPosition, long arg3) {
if (mCommunicationService != null)
mCommunicationService.getTransmitter().gotoSlide(aPosition);
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
}
}
// ---------------------------------------------------- MESSAGE HANDLER ----
private BroadcastReceiver mListener = new BroadcastReceiver() {
@Override
public void onReceive(Context aContext, Intent aIntent) {
if (aIntent.getAction().equals(
CommunicationService.MSG_SLIDE_CHANGED)) {
int aSlide = aIntent.getExtras().getInt("slide_number");
mTopView.setSelection(aSlide, true);
updateSlideNumberDisplay();
} else if (aIntent.getAction().equals(
CommunicationService.MSG_SLIDE_PREVIEW)) {
// int aNSlide = aIntent.getExtras().getInt("slide_number");
((ThumbnailAdapter) mTopView.getAdapter())
.notifyDataSetChanged();
// mTopView.requestLayout();
} else if (aIntent.getAction().equals(
CommunicationService.MSG_SLIDE_NOTES)) {
// TODO: update me
}
}
};
// ------------------------------------------------- THUMBNAIL ADAPTER ----
protected class ThumbnailAdapter extends AbstractCoverFlowImageAdapter {
private Context mContext;
private SlideShow mSlideShow;
public ThumbnailAdapter(Context aContext, SlideShow aSlideShow) {
mContext = aContext;
mSlideShow = aSlideShow;
}
@Override
public int getCount() {
return mSlideShow.getSize();
}
@Override
protected Bitmap createBitmap(int position) {
Bitmap aBitmap = mSlideShow.getImage(position);
final int borderWidth = 8;
Paint p = new Paint(Paint.ANTI_ALIAS_FLAG);
p.setShadowLayer(borderWidth, 0, 0, Color.BLACK);
RectF aRect = new RectF(borderWidth, borderWidth, borderWidth
+ aBitmap.getWidth(), borderWidth
+ aBitmap.getHeight());
Bitmap aOut = Bitmap.createBitmap(aBitmap.getWidth() + 2
* borderWidth, aBitmap.getHeight() + 2
* borderWidth, aBitmap.getConfig());
Canvas canvas = new Canvas(aOut);
canvas.drawColor(getResources().getColor(R.color.light_grey));
canvas.drawRect(aRect, p);
canvas.drawBitmap(aBitmap, null, aRect, null);
return aOut;
}
}
}
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