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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.app.Fragment;
import android.content.Context;
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.Message;
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.webkit.WebView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ImageView;
import android.widget.TextView;
public class PresentationFragment extends Fragment {
private CoverFlow mTopView;
private ImageView mHandle;
private View mLayout;
private WebView mNotes;
private Context mContext;
private TextView mNumberText;
private CommunicationService mCommunicationService;
private SlideShow mSlideShow;
private float mOriginalCoverflowWidth;
private float mOriginalCoverflowHeight;
private float mNewCoverflowWidth = 0;
private float mNewCoverflowHeight = 0;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mContext = container.getContext();
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);
// TextView aText = new TextView();
// aText.setText
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());
// Call again to set things up if necessary.
setCommunicationService(mCommunicationService);
// 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();
}
return v;
}
// -------------------------------------------------- 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:
LayoutParams aParams = mTopView.getLayoutParams();
int aHeight = mTopView.getHeight();
int aViewSize = mLayout.getHeight();
final int DRAG_MARGIN = 120;
// Calculate height change, taking limits into account
int aDiff = (int) (aEvent.getY());
System.out.println("Diff1 is :" + aDiff);
if (aDiff + aHeight < DRAG_MARGIN) {
aDiff = DRAG_MARGIN - aHeight;
} else if ((aHeight + aDiff) > (aViewSize - DRAG_MARGIN)) {
aDiff = (aViewSize - DRAG_MARGIN) - aHeight;
}
// Now deal with the internal height
AbstractCoverFlowImageAdapter aAdapter = (AbstractCoverFlowImageAdapter) mTopView
.getAdapter();
double aRatio = mOriginalCoverflowWidth
/ mOriginalCoverflowHeight;
System.out.println("Diff2 is :" + aDiff);
float aHeightNew = mTopView.getImageHeight() + aDiff;
float 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());
}
// Set the new settings -- it turns out that changing the
// internal height now works, and changing the views height
// is unnecessary / even causes problems.
// aParams.height += aDiff;
// mTopView.setLayoutParams(aParams);
mNewCoverflowHeight = aHeightNew;
mNewCoverflowWidth = aWidthNew;
aAdapter.setHeight(aHeightNew);
mTopView.setImageHeight(aHeightNew);
aAdapter.setWidth(aWidthNew);
mTopView.setImageWidth(aWidthNew);
// We need to update the view now
aAdapter.notifyDataSetChanged();
break;
}
// TODO Auto-generated method stub
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 ----
public void setCommunicationService(
CommunicationService aCommunicationService) {
mCommunicationService = aCommunicationService;
if (mCommunicationService == null)
return;
mSlideShow = mCommunicationService.getSlideShow();
if (mTopView != null && mSlideShow != null) {
mTopView.setAdapter(new ThumbnailAdapter(mContext, mSlideShow));
mTopView.setSelection(mSlideShow.getCurrentSlide(), true);
mTopView.setOnItemSelectedListener(new ClickListener());
}
}
public void handleMessage(Message aMessage) {
Bundle aData = aMessage.getData();
switch (aMessage.what) {
case CommunicationService.MSG_SLIDE_CHANGED:
int aSlide = aData.getInt("slide_number");
mTopView.setSelection(aSlide, true);
mNumberText.setText((mSlideShow.getCurrentSlide() + 1) + "/"
+ mSlideShow.getSize());
break;
case CommunicationService.MSG_SLIDE_PREVIEW:
int aNSlide = aData.getInt("slide_number");
if (mTopView.getSelectedItemPosition() == aNSlide) {
// mTopView. // TODO: update the current item
}
break;
}
}
// ------------------------------------------------- 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(Color.TRANSPARENT);
canvas.drawRect(aRect, p);
canvas.drawBitmap(aBitmap, null, aRect, null);
return aOut;
}
}
}
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