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Diffstat (limited to 'carousel/java/com/android/ex/carousel/CarouselViewHelper.java')
-rw-r--r--carousel/java/com/android/ex/carousel/CarouselViewHelper.java305
1 files changed, 0 insertions, 305 deletions
diff --git a/carousel/java/com/android/ex/carousel/CarouselViewHelper.java b/carousel/java/com/android/ex/carousel/CarouselViewHelper.java
deleted file mode 100644
index ef05ba9..0000000
--- a/carousel/java/com/android/ex/carousel/CarouselViewHelper.java
+++ /dev/null
@@ -1,305 +0,0 @@
-package com.android.ex.carousel;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Matrix;
-import android.graphics.Rect;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.Looper;
-import android.os.Message;
-import android.renderscript.Matrix4f;
-import android.renderscript.Mesh;
-import android.util.Log;
-
-import com.android.ex.carousel.CarouselRS.CarouselCallback;
-
-/**
- * CarouselViewHelper wraps all of the threading and event handling of the CarouselView,
- * providing a simpler interface. Most users will just need to implement a handful of
- * methods to get an application working.
- *
- */
-public class CarouselViewHelper implements CarouselCallback {
- private static final String TAG = "CarouselViewHelper";
- private static final int SET_TEXTURE_N = 1;
- private static final int SET_DETAIL_TEXTURE_N = 2;
- private static final int SET_GEOMETRY_N = 3;
- private static final int SET_MATRIX_N = 4;
-
- // This is an ordered list of base message ids to allow removal of a single item from the
- // list for a particular card. The implementation currently supports up to a million cards.
- private static final int REQUEST_TEXTURE_N = 1000000;
- private static final int REQUEST_DETAIL_TEXTURE_N = 2000000;
- private static final int REQUEST_GEOMETRY_N = 3000000;
- private static final int REQUEST_END = 4000000;
-
- private HandlerThread mHandlerThread;
- private Context mContext;
- private CarouselView mCarouselView;
- private boolean DBG = false;
- private long HOLDOFF_DELAY = 100;
- private Handler mAsyncHandler; // Background thread handler for reading textures, geometry, etc.
- private Handler mSyncHandler; // Synchronous handler for interacting with UI elements.
-
- public static class TextureParameters {
- public TextureParameters() { matrix = new Matrix4f(); }
- public TextureParameters(Matrix4f _matrix) { matrix = _matrix; }
- public Matrix4f matrix;
- };
-
- public static class DetailTextureParameters {
- public DetailTextureParameters(float textureOffsetX, float textureOffsetY) {
- this.textureOffsetX = textureOffsetX;
- this.textureOffsetY = textureOffsetY;
- this.lineOffsetX = 0.0f;
- this.lineOffsetY = 0.0f;
- }
- public DetailTextureParameters(
- float textureOffsetX, float textureOffsetY,
- float lineOffsetX, float lineOffsetY) {
- this.textureOffsetX = textureOffsetX;
- this.textureOffsetY = textureOffsetY;
- this.lineOffsetX = lineOffsetX;
- this.lineOffsetY = lineOffsetY;
- }
- public float textureOffsetX;
- public float textureOffsetY;
- public float lineOffsetX;
- public float lineOffsetY;
- };
-
- public void setCarouselView(CarouselView carouselView) {
- mCarouselView = carouselView;
- mCarouselView.setCallback(this);
- }
-
- public CarouselViewHelper(Context context, CarouselView carouselView) {
- this(context);
- setCarouselView(carouselView);
- }
-
- public CarouselViewHelper(Context context) {
- mContext = context;
-
- mHandlerThread = new HandlerThread(TAG + ".handler");
- mHandlerThread.start();
-
- mAsyncHandler = new AsyncHandler(mHandlerThread.getLooper());
- mSyncHandler = new SyncHandler(); // runs in calling thread
- }
-
- class AsyncHandler extends Handler {
- AsyncHandler(Looper looper) {
- super(looper);
- }
-
- @Override
- public void handleMessage(Message msg) {
- int id = msg.arg1;
- if (id >= mCarouselView.getCardCount()) {
- Log.e(TAG, "Index out of range for get, card:" + id);
- return;
- }
- if (msg.what < REQUEST_TEXTURE_N || msg.what > REQUEST_END) {
- Log.e(TAG, "Unknown message: " + id);
- return;
- }
- if (msg.what < REQUEST_DETAIL_TEXTURE_N) {
- // REQUEST_TEXTURE_N
- final Bitmap bitmap = getTexture(id);
- if (bitmap != null) {
- mSyncHandler.obtainMessage(SET_TEXTURE_N, id, 0, bitmap).sendToTarget();
- }
-
- TextureParameters params = getTextureParameters(id);
- if (params != null) {
- mSyncHandler.obtainMessage(SET_MATRIX_N, id, 0,
- params.matrix.getArray()).sendToTarget();
- }
- } else if (msg.what < REQUEST_GEOMETRY_N) {
- // REQUEST_DETAIL_TEXTURE_N
- final Bitmap bitmap = getDetailTexture(id);
- if (bitmap != null) {
- mSyncHandler.obtainMessage(SET_DETAIL_TEXTURE_N, id, 0, bitmap).sendToTarget();
- }
- } else if (msg.what < REQUEST_END) {
- // REQUEST_GEOMETRY_N
- Mesh mesh = getGeometry(id);
- if (mesh != null) {
- mSyncHandler.obtainMessage(SET_GEOMETRY_N, id, 0, mesh).sendToTarget();
- }
- }
- }
- };
-
- class SyncHandler extends Handler {
- @Override
- public void handleMessage(Message msg) {
- int id = msg.arg1;
- if (id >= mCarouselView.getCardCount()) {
- Log.e(TAG, "Index out of range for set, card:" + id);
- return;
- }
-
- switch (msg.what) {
- case SET_TEXTURE_N:
- mCarouselView.setTextureForItem(id, (Bitmap) msg.obj);
- break;
-
- case SET_DETAIL_TEXTURE_N:
- DetailTextureParameters params = getDetailTextureParameters(id);
- float x = params != null ? params.textureOffsetX : 0.0f;
- float y = params != null ? params.textureOffsetY : 0.0f;
- float lx = params != null ? params.lineOffsetX : 0.0f;
- float ly = params != null ? params.lineOffsetY : 0.0f;
- mCarouselView.setDetailTextureForItem(id, x, y, lx, ly, (Bitmap) msg.obj);
- break;
-
- case SET_GEOMETRY_N:
- mCarouselView.setGeometryForItem(id, (Mesh) msg.obj);
- break;
-
- case SET_MATRIX_N:
- mCarouselView.setMatrixForItem(id, (float[]) msg.obj);
- break;
- }
- }
- };
-
- /**
- * Implement this method if you want to load a texture for
- * the given card. Most subclasses will implement this. Note: this will generally
- * <b>not</b> be called in the UI thread, so proper locking should be ensured.
- *
- * @param id of the texture to load
- * @return a valid bitmap
- */
- public Bitmap getTexture(int id) {
- return null;
- }
-
- /**
- * Implement this method if you want to load a detail texture for
- * the given card. Most subclasses will implement this. Note: this will generally
- * <b>not</b> be called in the UI thread, so proper locking should be ensured.
- *
- * @param id
- * @return
- */
- public Bitmap getDetailTexture(int id) {
- return null;
- }
-
- /**
- * Implement this method if you want to load geometry for the given card. Most subclasses
- * will implement this. Note: this will generally <b>not</b> be called in the UI thread,
- * so proper locking should be ensured.
- *
- * @param id
- * @return
- */
- public Mesh getGeometry(int id) {
- return null;
- }
-
- /**
- * Implement this method if you want custom texture parameters for
- * the given id. Note: this will generally
- * <b>not</b> be called in the UI thread, so proper locking should be ensured.
- *
- * @param id
- * @return texture parameters
- */
- public TextureParameters getTextureParameters(int id) {
- return null;
- }
-
- /**
- * Implement this method if you want custom detail texture parameters for
- * the given id. Note: this will generally
- * <b>not</b> be called in the UI thread, so proper locking should be ensured.
- *
- * @param id the id of the texture being requested
- * @return detail texture parameters
- */
- public DetailTextureParameters getDetailTextureParameters(int id) {
- return null;
- }
-
- public void onRequestTexture(int id) {
- if (DBG) Log.v(TAG, "onRequestTexture(" + id + ")" );
- mAsyncHandler.removeMessages(REQUEST_TEXTURE_N + id);
- Message message = mAsyncHandler.obtainMessage(REQUEST_TEXTURE_N + id, id, 0);
- mAsyncHandler.sendMessageDelayed(message, HOLDOFF_DELAY);
- }
-
- public void onInvalidateTexture(final int id) {
- if (DBG) Log.v(TAG, "onInvalidateTexture(" + id + ")");
- mAsyncHandler.removeMessages(REQUEST_TEXTURE_N + id);
- }
-
- public void onRequestGeometry(int id) {
- if (DBG) Log.v(TAG, "onRequestGeometry(" + id + ")");
- mAsyncHandler.removeMessages(REQUEST_GEOMETRY_N + id);
- mAsyncHandler.sendMessage(mAsyncHandler.obtainMessage(REQUEST_GEOMETRY_N + id, id, 0));
- }
-
- public void onInvalidateGeometry(int id) {
- if (DBG) Log.v(TAG, "onInvalidateGeometry(" + id + ")");
- mAsyncHandler.removeMessages(REQUEST_GEOMETRY_N + id);
- }
-
- public void onRequestDetailTexture(int id) {
- if (DBG) Log.v(TAG, "onRequestDetailTexture(" + id + ")" );
- mAsyncHandler.removeMessages(REQUEST_DETAIL_TEXTURE_N + id);
- Message message = mAsyncHandler.obtainMessage(REQUEST_DETAIL_TEXTURE_N + id, id, 0);
- mAsyncHandler.sendMessageDelayed(message, HOLDOFF_DELAY);
- }
-
- public void onInvalidateDetailTexture(int id) {
- if (DBG) Log.v(TAG, "onInvalidateDetailTexture(" + id + ")");
- mAsyncHandler.removeMessages(REQUEST_DETAIL_TEXTURE_N + id);
- }
-
- public void onCardSelected(int n) {
- if (DBG) Log.v(TAG, "onCardSelected(" + n + ")");
- }
-
- public void onDetailSelected(int n, int x, int y) {
- if (DBG) Log.v(TAG, "onDetailSelected(" + n + ", " + x + ", " + y + ")");
- }
-
- public void onCardLongPress(int n, int touchPosition[], Rect detailCoordinates) {
- if (DBG) Log.v(TAG, "onCardLongPress(" + n + ", (" + touchPosition + "), (" +
- detailCoordinates +") )");
- }
-
- public void onAnimationStarted() {
-
- }
-
- public void onAnimationFinished(float carouselRotationAngle) {
-
- }
-
- public void onResume() {
- mCarouselView.resume();
- }
-
- public void onPause() {
- mCarouselView.pause();
- }
-
- public void onDestroy() {
- mHandlerThread.quit();
- }
-
- protected Handler getAsyncHandler() {
- return mAsyncHandler;
- }
-
- protected CarouselView getCarouselView() {
- return mCarouselView;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-31 23:38:05 +0000