diff options
Diffstat (limited to 'src/org/cyanogenmod/theme/widget/BootAniImageView.java')
| -rw-r--r-- | src/org/cyanogenmod/theme/widget/BootAniImageView.java | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/theme/widget/BootAniImageView.java b/src/org/cyanogenmod/theme/widget/BootAniImageView.java new file mode 100644 index 0000000..b3f58a6 --- /dev/null +++ b/src/org/cyanogenmod/theme/widget/BootAniImageView.java @@ -0,0 +1,226 @@ +/* + * Copyright (C) 2016 Cyanogen, Inc. + * Copyright (C) 2016 The CyanogenMod 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 org.cyanogenmod.theme.widget; + +import android.content.Context; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.graphics.Canvas; +import android.util.AttributeSet; +import android.util.Log; +import android.widget.ImageView; + +import java.io.IOException; +import java.util.List; +import java.util.zip.ZipFile; + +import libcore.io.IoUtils; + +import org.cyanogenmod.theme.util.BootAnimationHelper; + +public class BootAniImageView extends ImageView { + private static final String TAG = BootAniImageView.class.getName(); + + private static final boolean DEBUG = false; + + private static final int MAX_BUFFERS = 2; + + private Bitmap[] mBuffers = new Bitmap[MAX_BUFFERS]; + private int mReadBufferIndex = 0; + private int mWriteBufferIndex = 0; + private ZipFile mBootAniZip; + + private List<BootAnimationHelper.AnimationPart> mAnimationParts; + private int mCurrentPart; + private int mCurrentFrame; + private int mCurrentPartPlayCount; + private int mFrameDuration; + + private boolean mActive = false; + + public BootAniImageView(Context context) { + this(context, null); + } + + public BootAniImageView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public BootAniImageView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + } + + @Override + public void setVisibility(int visibility) { + super.setVisibility(visibility); + if (visibility == VISIBLE) { + if (mBootAniZip != null) start(); + } else { + stop(); + } + } + + @Override + protected void onDraw(Canvas canvas) { + // In case we end up in the mid dle of onDraw while the buffers are being recycled + // we catch the exception and just let frame not be rendered. + try { + super.onDraw(canvas); + } catch (RuntimeException e) { + Log.e(TAG, "Unable to draw boot animation frame."); + } + } + + public synchronized boolean setBootAnimation(ZipFile bootAni) { + if (bootAni == null) { + Log.w(TAG, "Boot animation ZipFile is null."); + return false; + } + // make sure we are stopped first + stop(); + + if (mBootAniZip != null) { + IoUtils.closeQuietly(mBootAniZip); + // This boot animation may be a different size than the previous + // one so clear out the buffers so they can be recreated with + // the correct size. + for (int i = 0; i < MAX_BUFFERS; i++) { + if (mBuffers[i] != null) { + mBuffers[i].recycle(); + mBuffers[i] = null; + } + } + } + mBootAniZip = bootAni; + + try { + mAnimationParts = BootAnimationHelper.parseAnimation(mBootAniZip); + } catch (Exception e) { + // "Gotta catch 'em all" + Log.e(TAG, "Unable to set boot animation", e); + mAnimationParts = null; + mBootAniZip = null; + return false; + } + + if (mAnimationParts == null || mAnimationParts.size() == 0) { + return false; + } + + final BootAnimationHelper.AnimationPart part = mAnimationParts.get(0); + mCurrentPart = 0; + mCurrentPartPlayCount = part.playCount; + mFrameDuration = part.frameRateMillis; + mWriteBufferIndex = mReadBufferIndex = 0; + mCurrentFrame = 0; + + getNextFrame(); + + return true; + } + + private void getNextFrame() { + if (mAnimationParts == null || mAnimationParts.size() == 0) return; + + BitmapFactory.Options opts = new BitmapFactory.Options(); + opts.inBitmap = mBuffers[mWriteBufferIndex]; + opts.inPreferredConfig = Bitmap.Config.RGB_565; + opts.inMutable = true; + final BootAnimationHelper.AnimationPart part = mAnimationParts.get(mCurrentPart); + try { + mBuffers[mWriteBufferIndex] = + BitmapFactory.decodeStream(mBootAniZip.getInputStream(mBootAniZip.getEntry( + part.frames.get(mCurrentFrame++))), null, opts); + } catch (IllegalArgumentException iae) { + // In case we're here because the bitmap could not be re-used, try creating a new one + opts.inBitmap = null; + try { + if (DEBUG) { + Log.d(TAG, "Trying to load frame without reusing existing bitmap", iae); + } + if (mBuffers[mWriteBufferIndex] != null) { + // clean up our old bitmap + mBuffers[mWriteBufferIndex].recycle(); + mBuffers[mWriteBufferIndex] = null; + } + mBuffers[mWriteBufferIndex] = + BitmapFactory.decodeStream(mBootAniZip.getInputStream(mBootAniZip.getEntry( + part.frames.get(mCurrentFrame++))), null, opts); + } catch (Exception e) { + // Still failling? Let's log it and carry on. + Log.w(TAG, "Unable to get next frame", e); + } + } catch (IOException e) { + Log.w(TAG, "Unable to get next frame", e); + } + mWriteBufferIndex = (mWriteBufferIndex + 1) % MAX_BUFFERS; + if (mCurrentFrame >= part.frames.size()) { + if (mCurrentPartPlayCount > 0) { + if (--mCurrentPartPlayCount == 0) { + mCurrentPart++; + if (mCurrentPart >= mAnimationParts.size()) mCurrentPart = 0; + mCurrentFrame = 0; + mCurrentPartPlayCount = mAnimationParts.get(mCurrentPart).playCount; + } else { + mCurrentFrame = 0; + } + } else { + mCurrentFrame = 0; + } + } + } + + public void start() { + if (mAnimationParts == null) return; + + mActive = true; + post(mUpdateAnimationRunnable); + } + + public void stop() { + mActive = false; + removeCallbacks(mUpdateImageRunnable); + removeCallbacks(mUpdateAnimationRunnable); + } + + private Runnable mUpdateAnimationRunnable = new Runnable() { + @Override + public void run() { + if (!mActive) return; + BootAniImageView.this.postDelayed(mUpdateAnimationRunnable, mFrameDuration); + if (!isOffScreen()) { + BootAniImageView.this.post(mUpdateImageRunnable); + mReadBufferIndex = (mReadBufferIndex + 1) % MAX_BUFFERS; + getNextFrame(); + } + } + }; + + private Runnable mUpdateImageRunnable = new Runnable() { + @Override + public void run() { + setImageBitmap(mBuffers[mReadBufferIndex]); + } + }; + + private boolean isOffScreen() { + int[] pos = new int[2]; + getLocationOnScreen(pos); + return pos[1] >= mContext.getResources().getDisplayMetrics().heightPixels; + } +} |