com.serenegiant.media

Class MediaStoreHelper.LoaderDrawable

java.lang.Object

android.graphics.drawable.Drawable

com.serenegiant.media.MediaStoreHelper.LoaderDrawable

All Implemented Interfaces:

java.lang.Runnable

Enclosing class:

MediaStoreHelper

protected abstract static class MediaStoreHelper.LoaderDrawable
extends android.graphics.drawable.Drawable
implements java.lang.Runnable

LoaderDrawable is a descendent of Drawable to load image asynchronusly and draw We want to use BitmapDrawable but we can't because it has no public/protected method to set Bitmap after construction. Most code of LoaderDrawable came from BitmapJobDrawable.java in Android Gallery app Copyright (C) 2013 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.

Nested Class Summary

Nested classes/interfaces inherited from class android.graphics.drawable.Drawable

android.graphics.drawable.Drawable.Callback, android.graphics.drawable.Drawable.ConstantState

Constructor Summary

Constructors

Constructor and Description
LoaderDrawable(android.content.ContentResolver cr, int width, int height)

Method Summary

Modifier and Type	Method and Description
protected abstract android.graphics.Bitmap	checkBitmapCache(int hashCode, long id)
protected abstract MediaStoreHelper.ImageLoader	createThumbnailLoader()
void	draw(android.graphics.Canvas canvas)
int	getIntrinsicHeight()
int	getIntrinsicWidth()
int	getOpacity()
protected void	onBoundsChange(android.graphics.Rect bounds)
void	run() callback to set bitmap on UI thread after asyncronus loading request call this callback in ThumbnailLoader#run at the end of asyncronus loading
void	setAlpha(int alpha)
void	setColorFilter(android.graphics.ColorFilter cf)
void	startLoad(int media_type, int hashCode, long id) start loading image asynchronusly

Methods inherited from class android.graphics.drawable.Drawable

applyTheme, canApplyTheme, clearColorFilter, copyBounds, copyBounds, createFromPath, createFromResourceStream, createFromResourceStream, createFromStream, createFromXml, createFromXml, createFromXmlInner, createFromXmlInner, getAlpha, getBounds, getCallback, getChangingConfigurations, getColorFilter, getConstantState, getCurrent, getDirtyBounds, getHotspotBounds, getLayoutDirection, getLevel, getMinimumHeight, getMinimumWidth, getOutline, getPadding, getState, getTransparentRegion, inflate, inflate, invalidateSelf, isAutoMirrored, isFilterBitmap, isStateful, isVisible, jumpToCurrentState, mutate, onLayoutDirectionChanged, onLevelChange, onStateChange, resolveOpacity, scheduleSelf, setAutoMirrored, setBounds, setBounds, setCallback, setChangingConfigurations, setColorFilter, setDither, setFilterBitmap, setHotspot, setHotspotBounds, setLayoutDirection, setLevel, setState, setTint, setTintList, setTintMode, setVisible, unscheduleSelf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LoaderDrawable

public LoaderDrawable(android.content.ContentResolver cr,
                      int width,
                      int height)

Method Detail

onBoundsChange

protected void onBoundsChange(android.graphics.Rect bounds)

Overrides:

onBoundsChange in class android.graphics.drawable.Drawable

draw

public void draw(android.graphics.Canvas canvas)

Specified by:

draw in class android.graphics.drawable.Drawable

setAlpha

public void setAlpha(int alpha)

Specified by:

setAlpha in class android.graphics.drawable.Drawable

setColorFilter

public void setColorFilter(android.graphics.ColorFilter cf)

Specified by:

setColorFilter in class android.graphics.drawable.Drawable

getIntrinsicWidth

public int getIntrinsicWidth()

Overrides:

getIntrinsicWidth in class android.graphics.drawable.Drawable

getIntrinsicHeight

public int getIntrinsicHeight()

Overrides:

getIntrinsicHeight in class android.graphics.drawable.Drawable

getOpacity

public int getOpacity()

Specified by:

getOpacity in class android.graphics.drawable.Drawable

run

public void run()

callback to set bitmap on UI thread after asyncronus loading request call this callback in ThumbnailLoader#run at the end of asyncronus loading

Specified by:

run in interface java.lang.Runnable

createThumbnailLoader

protected abstract MediaStoreHelper.ImageLoader createThumbnailLoader()

checkBitmapCache

protected abstract android.graphics.Bitmap checkBitmapCache(int hashCode,
                                                            long id)

startLoad

public void startLoad(int media_type,
                      int hashCode,
                      long id)

start loading image asynchronusly

Parameters:

id -