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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.gallery3d.ui;
     18 
     19 import android.content.Context;
     20 import android.graphics.Matrix;
     21 
     22 import com.android.gallery3d.anim.CanvasAnimation;
     23 import com.android.gallery3d.glrenderer.GLCanvas;
     24 
     25 public interface GLRoot {
     26 
     27     // Listener will be called when GL is idle AND before each frame.
     28     // Mainly used for uploading textures.
     29     public static interface OnGLIdleListener {
     30         public boolean onGLIdle(
     31                 GLCanvas canvas, boolean renderRequested);
     32     }
     33 
     34     public void addOnGLIdleListener(OnGLIdleListener listener);
     35     public void registerLaunchedAnimation(CanvasAnimation animation);
     36     public void requestRenderForced();
     37     public void requestRender();
     38     public void requestLayoutContentPane();
     39 
     40     public void lockRenderThread();
     41     public void unlockRenderThread();
     42 
     43     public void setContentPane(GLView content);
     44     public void setOrientationSource(OrientationSource source);
     45     public int getDisplayRotation();
     46     public int getCompensation();
     47     public Matrix getCompensationMatrix();
     48     public void freeze();
     49     public void unfreeze();
     50     public void setLightsOutMode(boolean enabled);
     51 
     52     public Context getContext();
     53 }
     54