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Diffstat (limited to 'core/java/android/tv/TvView.java')
| -rw-r--r-- | core/java/android/tv/TvView.java | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/core/java/android/tv/TvView.java b/core/java/android/tv/TvView.java deleted file mode 100644 index 2d31701..0000000 --- a/core/java/android/tv/TvView.java +++ /dev/null @@ -1,402 +0,0 @@ -/* - * Copyright (C) 2014 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 android.tv; - -import android.content.Context; -import android.graphics.Rect; -import android.os.Bundle; -import android.os.Handler; -import android.text.TextUtils; -import android.tv.TvInputManager.Session; -import android.tv.TvInputManager.Session.FinishedInputEventCallback; -import android.tv.TvInputManager.SessionCallback; -import android.util.AttributeSet; -import android.util.Log; -import android.view.InputEvent; -import android.view.KeyEvent; -import android.view.MotionEvent; -import android.view.Surface; -import android.view.SurfaceHolder; -import android.view.SurfaceView; -import android.view.ViewRootImpl; - -/** - * View playing TV - */ -public class TvView extends SurfaceView { - // STOPSHIP: Turn debugging off. - private static final boolean DEBUG = true; - private static final String TAG = "TvView"; - - private final Handler mHandler = new Handler(); - private TvInputManager.Session mSession; - private Surface mSurface; - private boolean mOverlayViewCreated; - private Rect mOverlayViewFrame; - private final TvInputManager mTvInputManager; - private SessionCallback mSessionCallback; - private OnUnhandledInputEventListener mOnUnhandledInputEventListener; - - private final SurfaceHolder.Callback mSurfaceHolderCallback = new SurfaceHolder.Callback() { - @Override - public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { - Log.d(TAG, "surfaceChanged(holder=" + holder + ", format=" + format + ", width=" + width - + ", height=" + height + ")"); - if (holder.getSurface() == mSurface) { - return; - } - mSurface = holder.getSurface(); - setSessionSurface(mSurface); - } - - @Override - public void surfaceCreated(SurfaceHolder holder) { - mSurface = holder.getSurface(); - setSessionSurface(mSurface); - } - - @Override - public void surfaceDestroyed(SurfaceHolder holder) { - mSurface = null; - setSessionSurface(null); - } - }; - - private final FinishedInputEventCallback mFinishedInputEventCallback = - new FinishedInputEventCallback() { - @Override - public void onFinishedInputEvent(Object token, boolean handled) { - if (DEBUG) { - Log.d(TAG, "onFinishedInputEvent(token=" + token + ", handled=" + handled + ")"); - } - if (handled) { - return; - } - // TODO: Re-order unhandled events. - InputEvent event = (InputEvent) token; - if (dispatchUnhandledInputEvent(event)) { - return; - } - ViewRootImpl viewRootImpl = getViewRootImpl(); - if (viewRootImpl != null) { - viewRootImpl.dispatchUnhandledInputEvent(event); - } - } - }; - - public TvView(Context context) { - this(context, null, 0); - } - - public TvView(Context context, AttributeSet attrs) { - this(context, attrs, 0); - } - - public TvView(Context context, AttributeSet attrs, int defStyleAttr) { - super(context, attrs, defStyleAttr); - getHolder().addCallback(mSurfaceHolderCallback); - mTvInputManager = (TvInputManager) getContext().getSystemService(Context.TV_INPUT_SERVICE); - } - - /** - * Binds a TV input to this view. {@link SessionCallback#onSessionCreated} will be - * called to send the result of this binding with {@link TvInputManager.Session}. - * If a TV input is already bound, the input will be unbound from this view and its session - * will be released. - * - * @param inputId the id of TV input which will be bound to this view. - * @param callback called when TV input is bound. The callback sends - * {@link TvInputManager.Session} - * @throws IllegalArgumentException if any of the arguments is {@code null}. - */ - public void bindTvInput(String inputId, SessionCallback callback) { - if (TextUtils.isEmpty(inputId)) { - throw new IllegalArgumentException("inputId cannot be null or an empty string"); - } - if (callback == null) { - throw new IllegalArgumentException("callback cannot be null"); - } - if (mSession != null) { - release(); - } - // When bindTvInput is called multiple times before the callback is called, - // only the callback of the last bindTvInput call will be actually called back. - // The previous callbacks will be ignored. For the logic, mSessionCallback - // is newly assigned for every bindTvInput call and compared with - // MySessionCreateCallback.this. - mSessionCallback = new MySessionCallback(callback); - mTvInputManager.createSession(inputId, mSessionCallback, mHandler); - } - - /** - * Unbinds a TV input currently bound. Its corresponding {@link TvInputManager.Session} - * is released. - */ - public void unbindTvInput() { - if (mSession != null) { - release(); - } - mSessionCallback = null; - } - - /** - * Dispatches an unhandled input event to the next receiver. - * <p> - * Except system keys, TvView always consumes input events in the normal flow. This is called - * asynchronously from where the event is dispatched. It gives the host application a chance to - * dispatch the unhandled input events. - * - * @param event The input event. - * @return {@code true} if the event was handled by the view, {@code false} otherwise. - */ - public boolean dispatchUnhandledInputEvent(InputEvent event) { - if (mOnUnhandledInputEventListener != null) { - if (mOnUnhandledInputEventListener.onUnhandledInputEvent(event)) { - return true; - } - } - return onUnhandledInputEvent(event); - } - - /** - * Called when an unhandled input event was also not handled by the user provided callback. This - * is the last chance to handle the unhandled input event in the TvView. - * - * @param event The input event. - * @return If you handled the event, return {@code true}. If you want to allow the event to be - * handled by the next receiver, return {@code false}. - */ - public boolean onUnhandledInputEvent(InputEvent event) { - return false; - } - - /** - * Registers a callback to be invoked when an input event was not handled by the bound TV input. - * - * @param listener The callback to invoke when the unhandled input event was received. - */ - public void setOnUnhandledInputEventListener(OnUnhandledInputEventListener listener) { - mOnUnhandledInputEventListener = listener; - } - - @Override - public boolean dispatchKeyEvent(KeyEvent event) { - if (super.dispatchKeyEvent(event)) { - return true; - } - if (DEBUG) Log.d(TAG, "dispatchKeyEvent(" + event + ")"); - if (mSession == null) { - return false; - } - InputEvent copiedEvent = event.copy(); - int ret = mSession.dispatchInputEvent(copiedEvent, copiedEvent, mFinishedInputEventCallback, - mHandler); - return ret != Session.DISPATCH_NOT_HANDLED; - } - - @Override - public boolean dispatchTouchEvent(MotionEvent event) { - if (super.dispatchTouchEvent(event)) { - return true; - } - if (DEBUG) Log.d(TAG, "dispatchTouchEvent(" + event + ")"); - if (mSession == null) { - return false; - } - InputEvent copiedEvent = event.copy(); - int ret = mSession.dispatchInputEvent(copiedEvent, copiedEvent, mFinishedInputEventCallback, - mHandler); - return ret != Session.DISPATCH_NOT_HANDLED; - } - - @Override - public boolean dispatchTrackballEvent(MotionEvent event) { - if (super.dispatchTrackballEvent(event)) { - return true; - } - if (DEBUG) Log.d(TAG, "dispatchTrackballEvent(" + event + ")"); - if (mSession == null) { - return false; - } - InputEvent copiedEvent = event.copy(); - int ret = mSession.dispatchInputEvent(copiedEvent, copiedEvent, mFinishedInputEventCallback, - mHandler); - return ret != Session.DISPATCH_NOT_HANDLED; - } - - @Override - public boolean dispatchGenericMotionEvent(MotionEvent event) { - if (super.dispatchGenericMotionEvent(event)) { - return true; - } - if (DEBUG) Log.d(TAG, "dispatchGenericMotionEvent(" + event + ")"); - if (mSession == null) { - return false; - } - InputEvent copiedEvent = event.copy(); - int ret = mSession.dispatchInputEvent(copiedEvent, copiedEvent, mFinishedInputEventCallback, - mHandler); - return ret != Session.DISPATCH_NOT_HANDLED; - } - - @Override - protected void onAttachedToWindow() { - super.onAttachedToWindow(); - createSessionOverlayView(); - } - - @Override - protected void onDetachedFromWindow() { - removeSessionOverlayView(); - super.onDetachedFromWindow(); - } - - /** @hide */ - @Override - protected void updateWindow(boolean force, boolean redrawNeeded) { - super.updateWindow(force, redrawNeeded); - relayoutSessionOverlayView(); - } - - private void release() { - setSessionSurface(null); - removeSessionOverlayView(); - mSession.release(); - mSession = null; - } - - private void setSessionSurface(Surface surface) { - if (mSession == null) { - return; - } - mSession.setSurface(surface); - } - - private void createSessionOverlayView() { - if (mSession == null || !isAttachedToWindow() - || mOverlayViewCreated) { - return; - } - mOverlayViewFrame = getViewFrameOnScreen(); - mSession.createOverlayView(this, mOverlayViewFrame); - mOverlayViewCreated = true; - } - - private void removeSessionOverlayView() { - if (mSession == null || !mOverlayViewCreated) { - return; - } - mSession.removeOverlayView(); - mOverlayViewCreated = false; - mOverlayViewFrame = null; - } - - private void relayoutSessionOverlayView() { - if (mSession == null || !isAttachedToWindow() - || !mOverlayViewCreated) { - return; - } - Rect viewFrame = getViewFrameOnScreen(); - if (viewFrame.equals(mOverlayViewFrame)) { - return; - } - mSession.relayoutOverlayView(viewFrame); - mOverlayViewFrame = viewFrame; - } - - private Rect getViewFrameOnScreen() { - int[] location = new int[2]; - getLocationOnScreen(location); - return new Rect(location[0], location[1], - location[0] + getWidth(), location[1] + getHeight()); - } - - /** - * Interface definition for a callback to be invoked when the unhandled input event is received. - */ - public interface OnUnhandledInputEventListener { - /** - * Called when an input event was not handled by the bound TV input. - * <p> - * This is called asynchronously from where the event is dispatched. It gives the host - * application a chance to handle the unhandled input events. - * - * @param event The input event. - * @return If you handled the event, return {@code true}. If you want to allow the event to - * be handled by the next receiver, return {@code false}. - */ - boolean onUnhandledInputEvent(InputEvent event); - } - - private class MySessionCallback extends SessionCallback { - final SessionCallback mExternalCallback; - - MySessionCallback(SessionCallback externalCallback) { - mExternalCallback = externalCallback; - } - - @Override - public void onSessionCreated(Session session) { - if (this != mSessionCallback) { - // This callback is obsolete. - if (session != null) { - session.release(); - } - return; - } - mSession = session; - if (session != null) { - // mSurface may not be ready yet as soon as starting an application. - // In the case, we don't send Session.setSurface(null) unnecessarily. - // setSessionSurface will be called in surfaceCreated. - if (mSurface != null) { - setSessionSurface(mSurface); - } - createSessionOverlayView(); - } - if (mExternalCallback != null) { - mExternalCallback.onSessionCreated(session); - } - } - - @Override - public void onSessionReleased(Session session) { - mSession = null; - if (mExternalCallback != null) { - mExternalCallback.onSessionReleased(session); - } - } - - @Override - public void onVideoSizeChanged(Session session, int width, int height) { - if (DEBUG) { - Log.d(TAG, "onVideoSizeChanged(" + width + ", " + height + ")"); - } - if (mExternalCallback != null) { - mExternalCallback.onVideoSizeChanged(session, width, height); - } - } - - @Override - public void onSessionEvent(TvInputManager.Session session, String eventType, - Bundle eventArgs) { - if (mExternalCallback != null) { - mExternalCallback.onSessionEvent(session, eventType, eventArgs); - } - } - } -} |