diff options
Diffstat (limited to 'apps/SdkController/src/com/android/tools/sdkcontroller/activities/MultiTouchActivity.java')
| -rwxr-xr-x | apps/SdkController/src/com/android/tools/sdkcontroller/activities/MultiTouchActivity.java | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/apps/SdkController/src/com/android/tools/sdkcontroller/activities/MultiTouchActivity.java b/apps/SdkController/src/com/android/tools/sdkcontroller/activities/MultiTouchActivity.java new file mode 100755 index 000000000..faba8828f --- /dev/null +++ b/apps/SdkController/src/com/android/tools/sdkcontroller/activities/MultiTouchActivity.java @@ -0,0 +1,388 @@ +/* + * Copyright (C) 2012 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.android.tools.sdkcontroller.activities; + +import java.io.ByteArrayInputStream; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +import android.graphics.Color; +import android.os.Bundle; +import android.os.Message; +import android.util.Log; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnTouchListener; +import android.widget.TextView; + +import com.android.tools.sdkcontroller.R; +import com.android.tools.sdkcontroller.handlers.MultiTouchChannel; +import com.android.tools.sdkcontroller.lib.Channel; +import com.android.tools.sdkcontroller.lib.ProtocolConstants; +import com.android.tools.sdkcontroller.service.ControllerService.ControllerBinder; +import com.android.tools.sdkcontroller.service.ControllerService.ControllerListener; +import com.android.tools.sdkcontroller.utils.ApiHelper; +import com.android.tools.sdkcontroller.views.MultiTouchView; + +/** + * Activity that controls and displays the {@link MultiTouchChannel}. + */ +public class MultiTouchActivity extends BaseBindingActivity + implements android.os.Handler.Callback { + + @SuppressWarnings("hiding") + private static String TAG = MultiTouchActivity.class.getSimpleName(); + private static boolean DEBUG = true; + + private volatile MultiTouchChannel mHandler; + + private TextView mTextError; + private TextView mTextStatus; + private MultiTouchView mImageView; + /** Width of the emulator's display. */ + private int mEmulatorWidth = 0; + /** Height of the emulator's display. */ + private int mEmulatorHeight = 0; + /** Bitmap storage. */ + private int[] mColors; + + private final TouchListener mTouchListener = new TouchListener(); + private final android.os.Handler mUiHandler = new android.os.Handler(this); + + /** Called when the activity is first created. */ + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.multitouch); + mImageView = (MultiTouchView) findViewById(R.id.imageView); + mTextError = (TextView) findViewById(R.id.textError); + mTextStatus = (TextView) findViewById(R.id.textStatus); + updateStatus("Waiting for connection"); + + ApiHelper ah = ApiHelper.get(); + ah.View_setSystemUiVisibility(mImageView, View.SYSTEM_UI_FLAG_LOW_PROFILE); + } + + @Override + protected void onResume() { + if (DEBUG) Log.d(TAG, "onResume"); + // BaseBindingActivity.onResume will bind to the service. + // Note: any initialization related to the service or the handler should + // go in onServiceConnected() since in this call the service may not be + // bound yet. + super.onResume(); + updateError(); + } + + @Override + protected void onPause() { + if (DEBUG) Log.d(TAG, "onPause"); + // BaseBindingActivity.onResume will unbind from (but not stop) the service. + super.onPause(); + mImageView.setEnabled(false); + updateStatus("Paused"); + } + + // ---------- + + @Override + protected void onServiceConnected() { + if (DEBUG) Log.d(TAG, "onServiceConnected"); + mHandler = (MultiTouchChannel) getServiceBinder().getChannel(Channel.MULTITOUCH_CHANNEL); + if (mHandler != null) { + mHandler.setViewSize(mImageView.getWidth(), mImageView.getHeight()); + mHandler.addUiHandler(mUiHandler); + } + } + + @Override + protected void onServiceDisconnected() { + if (DEBUG) Log.d(TAG, "onServiceDisconnected"); + if (mHandler != null) { + mHandler.removeUiHandler(mUiHandler); + mHandler = null; + } + } + + @Override + protected ControllerListener createControllerListener() { + return new MultiTouchControllerListener(); + } + + // ---------- + + private class MultiTouchControllerListener implements ControllerListener { + @Override + public void onErrorChanged() { + runOnUiThread(new Runnable() { + @Override + public void run() { + updateError(); + } + }); + } + + @Override + public void onStatusChanged() { + runOnUiThread(new Runnable() { + @Override + public void run() { + ControllerBinder binder = getServiceBinder(); + if (binder != null) { + boolean connected = binder.isEmuConnected(); + mImageView.setEnabled(connected); + updateStatus(connected ? "Emulator connected" : "Emulator disconnected"); + } + } + }); + } + } + + // ---------- + + /** + * Implements OnTouchListener interface that receives touch screen events, + * and reports them to the emulator application. + */ + class TouchListener implements OnTouchListener { + /** + * Touch screen event handler. + */ + @Override + public boolean onTouch(View v, MotionEvent event) { + ByteBuffer bb = null; + final int action = event.getAction(); + final int action_code = action & MotionEvent.ACTION_MASK; + final int action_pid_index = action >> MotionEvent.ACTION_POINTER_ID_SHIFT; + int msg_type = 0; + MultiTouchChannel h = mHandler; + + // Build message for the emulator. + switch (action_code) { + case MotionEvent.ACTION_MOVE: + if (h != null) { + bb = ByteBuffer.allocate( + event.getPointerCount() * ProtocolConstants.MT_EVENT_ENTRY_SIZE); + bb.order(h.getEndian()); + for (int n = 0; n < event.getPointerCount(); n++) { + mImageView.constructEventMessage(bb, event, n); + } + msg_type = ProtocolConstants.MT_MOVE; + } + break; + case MotionEvent.ACTION_DOWN: + if (h != null) { + bb = ByteBuffer.allocate(ProtocolConstants.MT_EVENT_ENTRY_SIZE); + bb.order(h.getEndian()); + mImageView.constructEventMessage(bb, event, action_pid_index); + msg_type = ProtocolConstants.MT_FISRT_DOWN; + } + break; + case MotionEvent.ACTION_UP: + if (h != null) { + bb = ByteBuffer.allocate(ProtocolConstants.MT_EVENT_ENTRY_SIZE); + bb.order(h.getEndian()); + bb.putInt(event.getPointerId(action_pid_index)); + msg_type = ProtocolConstants.MT_LAST_UP; + } + break; + case MotionEvent.ACTION_POINTER_DOWN: + if (h != null) { + bb = ByteBuffer.allocate(ProtocolConstants.MT_EVENT_ENTRY_SIZE); + bb.order(h.getEndian()); + mImageView.constructEventMessage(bb, event, action_pid_index); + msg_type = ProtocolConstants.MT_POINTER_DOWN; + } + break; + case MotionEvent.ACTION_POINTER_UP: + if (h != null) { + bb = ByteBuffer.allocate(ProtocolConstants.MT_EVENT_ENTRY_SIZE); + bb.order(h.getEndian()); + bb.putInt(event.getPointerId(action_pid_index)); + msg_type = ProtocolConstants.MT_POINTER_UP; + } + break; + default: + Log.w(TAG, "Unknown action type: " + action_code); + return true; + } + + if (DEBUG && bb != null) Log.d(TAG, bb.toString()); + + if (h != null && bb != null) { + h.postMessage(msg_type, bb); + } + return true; + } + } // TouchListener + + /** Implementation of Handler.Callback */ + @Override + public boolean handleMessage(Message msg) { + switch (msg.what) { + case MultiTouchChannel.EVENT_MT_START: + MultiTouchChannel h = mHandler; + if (h != null) { + mImageView.setEnabled(true); + mImageView.setOnTouchListener(mTouchListener); + } + break; + case MultiTouchChannel.EVENT_MT_STOP: + mImageView.setOnTouchListener(null); + break; + case MultiTouchChannel.EVENT_FRAME_BUFFER: + onFrameBuffer(((ByteBuffer) msg.obj).array()); + mHandler.postMessage(ProtocolConstants.MT_FB_HANDLED, (byte[]) null); + break; + } + return true; // we consumed this message + } + + /** + * Called when a BLOB query is received from the emulator. + * <p/> + * This query is used to deliver framebuffer updates in the emulator. The + * blob contains an update header, followed by the bitmap containing updated + * rectangle. The header is defined as MTFrameHeader structure in + * external/qemu/android/multitouch-port.h + * <p/> + * NOTE: This method is called from the I/O loop, so all communication with + * the emulator will be "on hold" until this method returns. + * + * TODO ===> CHECK that we can consume that array from a different thread than the producer's. + * E.g. does the produce reuse the same array or does it generate a new one each time? + * + * @param array contains BLOB data for the query. + */ + private void onFrameBuffer(byte[] array) { + final ByteBuffer bb = ByteBuffer.wrap(array); + bb.order(ByteOrder.LITTLE_ENDIAN); + + // Read frame header. + final int header_size = bb.getInt(); + final int disp_width = bb.getInt(); + final int disp_height = bb.getInt(); + final int x = bb.getInt(); + final int y = bb.getInt(); + final int w = bb.getInt(); + final int h = bb.getInt(); + final int bpl = bb.getInt(); + final int bpp = bb.getInt(); + final int format = bb.getInt(); + + // Update application display. + updateDisplay(disp_width, disp_height); + + if (format == ProtocolConstants.MT_FRAME_JPEG) { + /* + * Framebuffer is in JPEG format. + */ + + final ByteArrayInputStream jpg = new ByteArrayInputStream(bb.array()); + // Advance input stream to JPEG image. + jpg.skip(header_size); + // Draw the image. + mImageView.drawJpeg(x, y, w, h, jpg); + } else { + /* + * Framebuffer is in a raw RGB format. + */ + + final int pixel_num = h * w; + // Advance stream to the beginning of framebuffer data. + bb.position(header_size); + + // Make sure that mColors is large enough to contain the + // update bitmap. + if (mColors == null || mColors.length < pixel_num) { + mColors = new int[pixel_num]; + } + + // Convert the blob bitmap into bitmap that we will display. + if (format == ProtocolConstants.MT_FRAME_RGB565) { + for (int n = 0; n < pixel_num; n++) { + // Blob bitmap is in RGB565 format. + final int color = bb.getShort(); + final int r = ((color & 0xf800) >> 8) | ((color & 0xf800) >> 14); + final int g = ((color & 0x7e0) >> 3) | ((color & 0x7e0) >> 9); + final int b = ((color & 0x1f) << 3) | ((color & 0x1f) >> 2); + mColors[n] = Color.rgb(r, g, b); + } + } else if (format == ProtocolConstants.MT_FRAME_RGB888) { + for (int n = 0; n < pixel_num; n++) { + // Blob bitmap is in RGB565 format. + final int r = bb.getChar(); + final int g = bb.getChar(); + final int b = bb.getChar(); + mColors[n] = Color.rgb(r, g, b); + } + } else { + Log.w(TAG, "Invalid framebuffer format: " + format); + return; + } + mImageView.drawBitmap(x, y, w, h, mColors); + } + } + + /** + * Updates application's screen accordingly to the emulator screen. + * + * @param e_width Width of the emulator screen. + * @param e_height Height of the emulator screen. + */ + private void updateDisplay(int e_width, int e_height) { + if (e_width != mEmulatorWidth || e_height != mEmulatorHeight) { + mEmulatorWidth = e_width; + mEmulatorHeight = e_height; + + boolean rotateDisplay = false; + int w = mImageView.getWidth(); + int h = mImageView.getHeight(); + if (w > h != e_width > e_height) { + rotateDisplay = true; + int tmp = w; + w = h; + h = tmp; + } + + float dx = (float) w / (float) e_width; + float dy = (float) h / (float) e_height; + mImageView.setDxDy(dx, dy, rotateDisplay); + if (DEBUG) Log.d(TAG, "Dispay updated: " + e_width + " x " + e_height + + " -> " + w + " x " + h + " ratio: " + + dx + " x " + dy); + } + } + + // ---------- + + private void updateStatus(String status) { + mTextStatus.setVisibility(status == null ? View.GONE : View.VISIBLE); + if (status != null) mTextStatus.setText(status); + } + + private void updateError() { + ControllerBinder binder = getServiceBinder(); + String error = binder == null ? "" : binder.getServiceError(); + if (error == null) { + error = ""; + } + + mTextError.setVisibility(error.length() == 0 ? View.GONE : View.VISIBLE); + mTextError.setText(error); + } +} |