Removing android-m3 since it is no longer in active development (but we have it in...

[zxing.git] / android-m3 / src / com / google / zxing / client / android / CameraThread.java

diff --git a/android-m3/src/com/google/zxing/client/android/CameraThread.java b/android-m3/src/com/google/zxing/client/android/CameraThread.java
deleted file mode 100644 (file)
index d330804..0000000
--- a/android-m3/src/com/google/zxing/client/android/CameraThread.java
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.google.zxing.client.android;
-
-import android.os.Handler;
-import android.os.Looper;
-import android.os.Message;
-
-/**
- * This thread continuously pulls preview frames from the camera and draws them to the screen. It
- * also asks the DecodeThread to process as many images as it can keep up with, and coordinates with
- * the main thread to display the results.
- *
- * @author dswitkin@google.com (Daniel Switkin)
- */
-final class CameraThread extends Thread {
-
-  public Handler handler;
-
-  private final CameraSurfaceView surfaceView;
-  private final Handler activityHandler;
-  private final DecodeThread decodeThread;
-  private State state;
-
-  private enum State {
-    PREVIEW,
-    DECODE,
-    SAVE,
-    DONE
-  }
-
-  CameraThread(BarcodeReaderCaptureActivity activity, CameraSurfaceView surfaceView,
-               CameraManager cameraManager, Handler activityHandler) {
-    this.surfaceView = surfaceView;
-    this.activityHandler = activityHandler;
-
-    decodeThread = new DecodeThread(activity, cameraManager);
-    decodeThread.start();
-    state = State.DONE;
-  }
-
-  @Override
-  public void run() {
-    Looper.prepare();
-    handler = new Handler() {
-      @Override
-      public void handleMessage(Message message) {
-        switch (message.what) {
-          case R.id.preview:
-            if (state == State.PREVIEW) {
-              surfaceView.capturePreviewAndDraw();
-            }
-            break;
-          case R.id.save:
-            state = State.SAVE;
-            Message save = Message.obtain(decodeThread.handler, R.id.save);
-            save.sendToTarget();
-            break;
-          case R.id.restart_preview:
-            restartPreviewAndDecode();
-            break;
-          case R.id.quit:
-            state = State.DONE;
-            Message quit = Message.obtain(decodeThread.handler, R.id.quit);
-            quit.sendToTarget();
-            try {
-              decodeThread.join();
-            } catch (InterruptedException e) {
-            }
-            Looper.myLooper().quit();
-            break;
-          case R.id.decode_started:
-            // Since the decoder is done with the camera, continue fetching preview frames.
-            state = State.PREVIEW;
-            break;
-          case R.id.decode_succeeded:
-            state = State.DONE;
-            // Message.copyFrom() did not work as expected, hence this workaround.
-            Message success = Message.obtain(activityHandler, R.id.decode_succeeded, message.obj);
-            success.arg1 = message.arg1;
-            success.sendToTarget();
-            break;
-          case R.id.decode_failed:
-            // We're decoding as fast as possible, so when one fails, start another.
-            startDecode();
-            break;
-          case R.id.save_succeeded:
-            // TODO: Put up a non-blocking status message
-            restartPreviewAndDecode();
-            break;
-          case R.id.save_failed:
-            // TODO: Put up a blocking error message
-            restartPreviewAndDecode();
-            break;
-        }
-
-        if (state == State.PREVIEW) {
-          Message preview = Message.obtain(handler, R.id.preview);
-          preview.sendToTarget();
-        }
-      }
-    };
-    decodeThread.setCameraThreadHandler(handler);
-
-    // Start ourselves capturing previews
-    restartPreviewAndDecode();
-    Looper.loop();
-  }
-
-  public void quitSynchronously() {
-    Message quit = Message.obtain(handler, R.id.quit);
-    quit.sendToTarget();
-    try {
-      join();
-    } catch (InterruptedException e) {
-    }
-  }
-
-  public void setDecodeAllMode() {
-    Message message = Message.obtain(decodeThread.handler, R.id.set_decode_all_mode);
-    message.sendToTarget();
-  }
-
-  public void setDecode1DMode() {
-    Message message = Message.obtain(decodeThread.handler, R.id.set_decode_1D_mode);
-    message.sendToTarget();
-  }
-
-  public void setDecodeQRMode() {
-    Message message = Message.obtain(decodeThread.handler, R.id.set_decode_QR_mode);
-    message.sendToTarget();
-  }
-
-  public void toggleTracing() {
-    Message message = Message.obtain(decodeThread.handler, R.id.toggle_tracing);
-    message.sendToTarget();
-  }
-
-  /**
-   * Start a decode if possible, but not now if the DecodeThread is in the middle of saving.
-   */
-  private void startDecode() {
-    if (state != State.SAVE) {
-      state = State.DECODE;
-      Message decode = Message.obtain(decodeThread.handler, R.id.decode);
-      decode.sendToTarget();
-    }
-  }
-
-  /**
-   * Take one preview to update the screen, then do a decode and continue previews.
-   */
-  private void restartPreviewAndDecode() {
-    state = State.PREVIEW;
-    surfaceView.capturePreviewAndDraw();
-    startDecode();
-  }
-
-}