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JUCE/extras/JuceDemo/Builds/Android/src/com/juce/JuceDemo.java

697 lines
23 KiB
Java

/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-10 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
package com.juce;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.Bundle;
import android.view.*;
import android.view.inputmethod.BaseInputConnection;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodManager;
import android.graphics.*;
import android.opengl.*;
import android.text.ClipboardManager;
import android.text.InputType;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.HttpURLConnection;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import android.media.MediaScannerConnection;
import android.media.MediaScannerConnection.MediaScannerConnectionClient;
//==============================================================================
public final class JuceDemo extends Activity
{
//==============================================================================
static
{
System.loadLibrary ("juce_jni");
}
@Override
public final void onCreate (Bundle savedInstanceState)
{
super.onCreate (savedInstanceState);
viewHolder = new ViewHolder (this);
setContentView (viewHolder);
}
@Override
protected final void onDestroy()
{
quitApp();
super.onDestroy();
}
@Override
protected final void onPause()
{
if (viewHolder != null)
viewHolder.onPause();
suspendApp();
super.onPause();
}
@Override
protected final void onResume()
{
super.onResume();
if (viewHolder != null)
viewHolder.onResume();
resumeApp();
}
@Override
public void onConfigurationChanged (Configuration cfg)
{
super.onConfigurationChanged (cfg);
setContentView (viewHolder);
}
private void callAppLauncher()
{
launchApp (getApplicationInfo().publicSourceDir,
getApplicationInfo().dataDir);
}
//==============================================================================
private native void launchApp (String appFile, String appDataDir);
private native void quitApp();
private native void suspendApp();
private native void resumeApp();
private native void setScreenSize (int screenWidth, int screenHeight);
//==============================================================================
public native void deliverMessage (long value);
private android.os.Handler messageHandler = new android.os.Handler();
public final void postMessage (long value)
{
messageHandler.post (new MessageCallback (value));
}
private final class MessageCallback implements Runnable
{
public MessageCallback (long value_) { value = value_; }
public final void run() { deliverMessage (value); }
private long value;
}
//==============================================================================
private ViewHolder viewHolder;
public final ComponentPeerView createNewView (boolean opaque)
{
ComponentPeerView v = new ComponentPeerView (this, opaque);
viewHolder.addView (v);
return v;
}
public final void deleteView (ComponentPeerView view)
{
ViewGroup group = (ViewGroup) (view.getParent());
if (group != null)
group.removeView (view);
}
final class ViewHolder extends ViewGroup
{
public ViewHolder (Context context)
{
super (context);
setDescendantFocusability (ViewGroup.FOCUS_AFTER_DESCENDANTS);
setFocusable (false);
}
protected final void onLayout (boolean changed, int left, int top, int right, int bottom)
{
setScreenSize (getWidth(), getHeight());
if (isFirstResize)
{
isFirstResize = false;
callAppLauncher();
}
}
public final void onPause()
{
for (int i = getChildCount(); --i >= 0;)
{
View v = getChildAt (i);
if (v instanceof ComponentPeerView)
((ComponentPeerView) v).onPause();
}
}
public final void onResume()
{
for (int i = getChildCount(); --i >= 0;)
{
View v = getChildAt (i);
if (v instanceof ComponentPeerView)
((ComponentPeerView) v).onResume();
}
}
private boolean isFirstResize = true;
}
public final void excludeClipRegion (android.graphics.Canvas canvas, float left, float top, float right, float bottom)
{
canvas.clipRect (left, top, right, bottom, android.graphics.Region.Op.DIFFERENCE);
}
//==============================================================================
public final String getClipboardContent()
{
ClipboardManager clipboard = (ClipboardManager) getSystemService (CLIPBOARD_SERVICE);
return clipboard.getText().toString();
}
public final void setClipboardContent (String newText)
{
ClipboardManager clipboard = (ClipboardManager) getSystemService (CLIPBOARD_SERVICE);
clipboard.setText (newText);
}
//==============================================================================
public final void showMessageBox (String title, String message, final long callback)
{
AlertDialog.Builder builder = new AlertDialog.Builder (this);
builder.setTitle (title)
.setMessage (message)
.setCancelable (true)
.setPositiveButton ("OK", new DialogInterface.OnClickListener()
{
public void onClick (DialogInterface dialog, int id)
{
dialog.cancel();
JuceDemo.this.alertDismissed (callback, 0);
}
});
builder.create().show();
}
public final void showOkCancelBox (String title, String message, final long callback)
{
AlertDialog.Builder builder = new AlertDialog.Builder (this);
builder.setTitle (title)
.setMessage (message)
.setCancelable (true)
.setPositiveButton ("OK", new DialogInterface.OnClickListener()
{
public void onClick (DialogInterface dialog, int id)
{
dialog.cancel();
JuceDemo.this.alertDismissed (callback, 1);
}
})
.setNegativeButton ("Cancel", new DialogInterface.OnClickListener()
{
public void onClick (DialogInterface dialog, int id)
{
dialog.cancel();
JuceDemo.this.alertDismissed (callback, 0);
}
});
builder.create().show();
}
public final void showYesNoCancelBox (String title, String message, final long callback)
{
AlertDialog.Builder builder = new AlertDialog.Builder (this);
builder.setTitle (title)
.setMessage (message)
.setCancelable (true)
.setPositiveButton ("Yes", new DialogInterface.OnClickListener()
{
public void onClick (DialogInterface dialog, int id)
{
dialog.cancel();
JuceDemo.this.alertDismissed (callback, 1);
}
})
.setNegativeButton ("No", new DialogInterface.OnClickListener()
{
public void onClick (DialogInterface dialog, int id)
{
dialog.cancel();
JuceDemo.this.alertDismissed (callback, 2);
}
})
.setNeutralButton ("Cancel", new DialogInterface.OnClickListener()
{
public void onClick (DialogInterface dialog, int id)
{
dialog.cancel();
JuceDemo.this.alertDismissed (callback, 0);
}
});
builder.create().show();
}
public native void alertDismissed (long callback, int id);
//==============================================================================
public final class ComponentPeerView extends ViewGroup
implements View.OnFocusChangeListener
{
public ComponentPeerView (Context context, boolean opaque_)
{
super (context);
setWillNotDraw (false);
opaque = opaque_;
setFocusable (true);
setFocusableInTouchMode (true);
setOnFocusChangeListener (this);
requestFocus();
}
//==============================================================================
private native void handlePaint (Canvas canvas);
@Override
public void draw (Canvas canvas)
{
super.draw (canvas);
handlePaint (canvas);
}
@Override
public boolean isOpaque()
{
return opaque;
}
private boolean opaque;
//==============================================================================
private native void handleMouseDown (int index, float x, float y, long time);
private native void handleMouseDrag (int index, float x, float y, long time);
private native void handleMouseUp (int index, float x, float y, long time);
@Override
public boolean onTouchEvent (MotionEvent event)
{
int action = event.getAction();
long time = event.getEventTime();
switch (action & MotionEvent.ACTION_MASK)
{
case MotionEvent.ACTION_DOWN:
handleMouseDown (event.getPointerId(0), event.getX(), event.getY(), time);
return true;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
handleMouseUp (event.getPointerId(0), event.getX(), event.getY(), time);
return true;
case MotionEvent.ACTION_MOVE:
{
int n = event.getPointerCount();
for (int i = 0; i < n; ++i)
handleMouseDrag (event.getPointerId(i), event.getX(i), event.getY(i), time);
return true;
}
case MotionEvent.ACTION_POINTER_UP:
{
int i = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
handleMouseUp (event.getPointerId(i), event.getX(i), event.getY(i), time);
return true;
}
case MotionEvent.ACTION_POINTER_DOWN:
{
int i = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
handleMouseDown (event.getPointerId(i), event.getX(i), event.getY(i), time);
return true;
}
default:
break;
}
return false;
}
//==============================================================================
private native void handleKeyDown (int keycode, int textchar);
private native void handleKeyUp (int keycode, int textchar);
public void showKeyboard (boolean shouldShow)
{
InputMethodManager imm = (InputMethodManager) getSystemService (Context.INPUT_METHOD_SERVICE);
if (imm != null)
{
if (shouldShow)
imm.showSoftInput (this, InputMethodManager.SHOW_FORCED);
else
imm.hideSoftInputFromWindow (getWindowToken(), 0);
}
}
@Override
public boolean onKeyDown (int keyCode, KeyEvent event)
{
handleKeyDown (keyCode, event.getUnicodeChar());
return true;
}
@Override
public boolean onKeyUp (int keyCode, KeyEvent event)
{
handleKeyUp (keyCode, event.getUnicodeChar());
return true;
}
// this is here to make keyboard entry work on a Galaxy Tab2 10.1
@Override
public InputConnection onCreateInputConnection (EditorInfo outAttrs)
{
outAttrs.actionLabel = "";
outAttrs.hintText = "";
outAttrs.initialCapsMode = 0;
outAttrs.initialSelEnd = outAttrs.initialSelStart = -1;
outAttrs.label = "";
outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE | EditorInfo.IME_FLAG_NO_EXTRACT_UI;
outAttrs.inputType = InputType.TYPE_NULL;
return new BaseInputConnection (this, false);
}
//==============================================================================
@Override
protected void onSizeChanged (int w, int h, int oldw, int oldh)
{
super.onSizeChanged (w, h, oldw, oldh);
viewSizeChanged();
}
@Override
protected void onLayout (boolean changed, int left, int top, int right, int bottom)
{
for (int i = getChildCount(); --i >= 0;)
requestTransparentRegion (getChildAt (i));
}
private native void viewSizeChanged();
@Override
public void onFocusChange (View v, boolean hasFocus)
{
if (v == this)
focusChanged (hasFocus);
}
private native void focusChanged (boolean hasFocus);
public void setViewName (String newName) {}
public boolean isVisible() { return getVisibility() == VISIBLE; }
public void setVisible (boolean b) { setVisibility (b ? VISIBLE : INVISIBLE); }
public boolean containsPoint (int x, int y)
{
return true; //xxx needs to check overlapping views
}
public final void onPause()
{
for (int i = getChildCount(); --i >= 0;)
{
View v = getChildAt (i);
if (v instanceof OpenGLView)
((OpenGLView) v).onPause();
}
}
public final void onResume()
{
for (int i = getChildCount(); --i >= 0;)
{
View v = getChildAt (i);
if (v instanceof OpenGLView)
((OpenGLView) v).onResume();
}
}
public OpenGLView createGLView()
{
OpenGLView glView = new OpenGLView (getContext());
addView (glView);
return glView;
}
}
//==============================================================================
public final class OpenGLView extends GLSurfaceView
implements GLSurfaceView.Renderer
{
OpenGLView (Context context)
{
super (context);
setEGLContextClientVersion (2);
setRenderer (this);
setRenderMode (RENDERMODE_WHEN_DIRTY);
}
@Override
public void onSurfaceCreated (GL10 unused, EGLConfig config)
{
contextCreated();
}
@Override
public void onSurfaceChanged (GL10 unused, int width, int height)
{
contextChangedSize();
}
@Override
public void onDrawFrame (GL10 unused)
{
render();
}
private native void contextCreated();
private native void contextChangedSize();
private native void render();
}
//==============================================================================
public final int[] renderGlyph (char glyph, Paint paint, android.graphics.Matrix matrix, Rect bounds)
{
Path p = new Path();
paint.getTextPath (String.valueOf (glyph), 0, 1, 0.0f, 0.0f, p);
RectF boundsF = new RectF();
p.computeBounds (boundsF, true);
matrix.mapRect (boundsF);
boundsF.roundOut (bounds);
bounds.left--;
bounds.right++;
final int w = bounds.width();
final int h = Math.max (1, bounds.height());
Bitmap bm = Bitmap.createBitmap (w, h, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas (bm);
matrix.postTranslate (-bounds.left, -bounds.top);
c.setMatrix (matrix);
c.drawPath (p, paint);
final int sizeNeeded = w * h;
if (cachedRenderArray.length < sizeNeeded)
cachedRenderArray = new int [sizeNeeded];
bm.getPixels (cachedRenderArray, 0, w, 0, 0, w, h);
bm.recycle();
return cachedRenderArray;
}
private int[] cachedRenderArray = new int [256];
//==============================================================================
public static class HTTPStream
{
public HTTPStream (HttpURLConnection connection_) throws IOException
{
connection = connection_;
inputStream = new BufferedInputStream (connection.getInputStream());
}
public final void release()
{
try
{
inputStream.close();
}
catch (IOException e)
{}
connection.disconnect();
}
public final int read (byte[] buffer, int numBytes)
{
int num = 0;
try
{
num = inputStream.read (buffer, 0, numBytes);
}
catch (IOException e)
{}
if (num > 0)
position += num;
return num;
}
public final long getPosition() { return position; }
public final long getTotalLength() { return -1; }
public final boolean isExhausted() { return false; }
public final boolean setPosition (long newPos) { return false; }
private HttpURLConnection connection;
private InputStream inputStream;
private long position;
}
public static final HTTPStream createHTTPStream (String address, boolean isPost, byte[] postData,
String headers, int timeOutMs,
java.lang.StringBuffer responseHeaders)
{
try
{
HttpURLConnection connection = (HttpURLConnection) (new URL (address).openConnection());
if (connection != null)
{
try
{
if (isPost)
{
connection.setConnectTimeout (timeOutMs);
connection.setDoOutput (true);
connection.setChunkedStreamingMode (0);
OutputStream out = connection.getOutputStream();
out.write (postData);
out.flush();
}
return new HTTPStream (connection);
}
catch (Throwable e)
{
connection.disconnect();
}
}
}
catch (Throwable e)
{}
return null;
}
public final void launchURL (String url)
{
startActivity (new Intent (Intent.ACTION_VIEW, Uri.parse (url)));
}
public static final String getLocaleValue (boolean isRegion)
{
java.util.Locale locale = java.util.Locale.getDefault();
return isRegion ? locale.getDisplayCountry (java.util.Locale.US)
: locale.getDisplayLanguage (java.util.Locale.US);
}
//==============================================================================
private final class SingleMediaScanner implements MediaScannerConnectionClient
{
public SingleMediaScanner (Context context, String filename)
{
file = filename;
msc = new MediaScannerConnection (context, this);
msc.connect();
}
@Override
public void onMediaScannerConnected()
{
msc.scanFile (file, null);
}
@Override
public void onScanCompleted (String path, Uri uri)
{
msc.disconnect();
}
private MediaScannerConnection msc;
private String file;
}
public final void scanFile (String filename)
{
new SingleMediaScanner (this, filename);
}
}