public boolean createCache(BaseDanmaku item) {
// measure
if (!item.isMeasured()) {
item.measure(mDisp);
}
DrawingCache cache = null;
try {
cache = mCachePool.acquire();
cache = DanmakuUtils.buildDanmakuDrawingCache(item, mDisp, cache);
item.cache = cache;
} catch (OutOfMemoryError e) {
// Log.e("cache", "break at error: oom");
if (cache != null) {
mCachePool.release(cache);
}
item.cache = null;
return false;
} catch (Exception e) {
// Log.e("cache", "break at exception:" + e.getMessage());
if (cache != null) {
mCachePool.release(cache);
}
item.cache = null;
return false;
}
return true;
}
private byte buildCache(BaseDanmaku item, boolean forceInsert) {
// measure
if (!item.isMeasured()) {
item.measure(mDisp);
}
DrawingCache cache = null;
try {
// try to find reuseable cache
BaseDanmaku danmaku = findReuseableCache(item, true, 20);
if (danmaku != null) {
cache = (DrawingCache) danmaku.cache;
}
if (cache != null) {
cache.increaseReference();
item.cache = cache;
// Log.w("cache", danmaku.text + "DrawingCache hit!!:" + item.paintWidth + "," +
// danmaku.paintWidth);
mCacheManager.push(item, 0, forceInsert);
return RESULT_SUCCESS;
}
// try to find reuseable cache from timeout || no-refrerence caches
danmaku = findReuseableCache(item, false, 50);
if (danmaku != null) {
cache = (DrawingCache) danmaku.cache;
}
if (cache != null) {
danmaku.cache = null;
// Log.e("cache", danmaku.text + "DrawingCache hit!!:" + item.paintWidth + "," +
// danmaku.paintWidth);
cache = DanmakuUtils.buildDanmakuDrawingCache(item, mDisp, cache); // redraw
item.cache = cache;
mCacheManager.push(item, 0, forceInsert);
return RESULT_SUCCESS;
}
// guess cache size
if (!forceInsert) {
int cacheSize =
DanmakuUtils.getCacheSize((int) item.paintWidth, (int) item.paintHeight);
if (mRealSize + cacheSize > mMaxSize) {
// Log.d("cache", "break at MaxSize:"+mMaxSize);
return RESULT_FAILED;
}
}
cache = mCachePool.acquire();
cache = DanmakuUtils.buildDanmakuDrawingCache(item, mDisp, cache);
item.cache = cache;
boolean pushed = mCacheManager.push(item, sizeOf(item), forceInsert);
if (!pushed) {
releaseDanmakuCache(item, cache);
// Log.e("cache", "break at push failed:" + mMaxSize);
}
return pushed ? RESULT_SUCCESS : RESULT_FAILED;
} catch (OutOfMemoryError e) {
// Log.e("cache", "break at error: oom");
releaseDanmakuCache(item, cache);
return RESULT_FAILED;
} catch (Exception e) {
// Log.e("cache", "break at exception:" + e.getMessage());
releaseDanmakuCache(item, cache);
return RESULT_FAILED;
}
}