1 files changed, 121 insertions, 0 deletions
diff --git a/apps/SdkController/src/com/android/tools/sdkcontroller/handlers/MultiTouchHandler.java b/apps/SdkController/src/com/android/tools/sdkcontroller/handlers/MultiTouchHandler.java
new file mode 100755
index 0000000..6f64485
--- /dev/null
+++ b/apps/SdkController/src/com/android/tools/sdkcontroller/handlers/MultiTouchHandler.java
@@ -0,0 +1,121 @@
+/*
+ * 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.handlers;
+
+import android.content.Context;
+import android.graphics.Point;
+import android.os.Message;
+import android.util.Log;
+
+import com.android.tools.sdkcontroller.lib.EmulatorConnection;
+
+
+public class MultiTouchHandler extends BaseHandler {
+
+    @SuppressWarnings("hiding")
+    private static final String TAG = MultiTouchHandler.class.getSimpleName();
+    /**
+     * A new frame buffer has been received from the emulator.
+     * Parameter {@code obj} is a {@code byte[] array} containing the screen data.
+     */
+    public static final int EVENT_FRAME_BUFFER = 1;
+    /**
+     * A multi-touch "start" command has been received from the emulator.
+     * Parameter {@code obj} is the string parameter from the start command.
+     */
+    public static final int EVENT_MT_START = 2;
+    /**
+     * A multi-touch "stop" command has been received from the emulator.
+     * There is no {@code obj} parameter associated.
+     */
+    public static final int EVENT_MT_STOP = 3;
+
+    private static final Point mViewSize = new Point(0, 0);
+
+    public MultiTouchHandler() {
+        super(HandlerType.MultiTouch, EmulatorConnection.MULTITOUCH_PORT);
+    }
+
+    public void setViewSize(int width, int height) {
+        mViewSize.set(width, height);
+    }
+
+    @Override
+    public void onStart(EmulatorConnection connection, Context context) {
+        super.onStart(connection, context);
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+    }
+
+    /**
+     * Called when a query is received from the emulator. NOTE: This method is
+     * called from the I/O loop.
+     *
+     * @param query Name of the query received from the emulator. The allowed
+     *            queries are: - 'start' - Starts delivering touch screen events
+     *            to the emulator. - 'stop' - Stops delivering touch screen
+     *            events to the emulator.
+     * @param param Query parameters.
+     * @return Zero-terminated reply string. String must be formatted as such:
+     *         "ok|ko[:reply data]"
+     */
+    @Override
+    public String onEmulatorQuery(String query, String param) {
+        if (query.contentEquals("start")) {
+            Message msg = Message.obtain();
+            msg.what = EVENT_MT_START;
+            msg.obj = param;
+            notifyUiHandlers(msg);
+            return "ok:" + mViewSize.x + "x" + mViewSize.y + "\0";
+
+        } else if (query.contentEquals("stop")) {
+            notifyUiHandlers(EVENT_MT_STOP);
+            return "ok\0";
+
+        } else {
+            Log.e(TAG, "Unknown query " + query + "(" + param + ")");
+            return "ko:Unknown query\0";
+        }
+    }
+
+    /**
+     * 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.
+     *
+     * @param array contains BLOB data for the query.
+     * @return Empty string: this query doesn't require any response.
+     */
+    @Override
+    public String onEmulatorBlobQuery(byte[] array) {
+        Message msg = Message.obtain();
+        msg.what = EVENT_FRAME_BUFFER;
+        msg.obj = array;
+        notifyUiHandlers(msg);
+        return "";
+    }
+
+}