in.srain.cube.image

Class ImageLoader

java.lang.Object

in.srain.cube.image.ImageLoader

All Implemented Interfaces:

LifeCycleComponent

public class ImageLoader
extends java.lang.Object
implements LifeCycleComponent

Field Summary

Fields

Modifier and Type	Field and Description
protected static boolean	DEBUG
protected static java.lang.String	LOG_TAG
protected android.content.Context	mContext
protected boolean	mExitTasksEarly
protected ImageDownloader	mImageDownloader
protected ImageLoadHandler	mImageLoadHandler
protected ImageProvider	mImageProvider
protected ImageReSizer	mImageReSizer
protected ImageTaskExecutor	mImageTaskExecutor
protected ImageLoadProgressHandler	mLoadImageLoadProgressHandler
protected boolean	mPauseWork
protected android.content.res.Resources	mResources
static int	TASK_ORDER_FIRST_IN_FIRST_OUT
static int	TASK_ORDER_LAST_IN_FIRST_OUT

Constructor Summary

Constructors

Constructor and Description
ImageLoader(android.content.Context context, ImageProvider imageProvider, ImageTaskExecutor imageTaskExecutor, ImageReSizer imageReSizer, ImageLoadHandler imageLoadHandler)

Method Summary

Methods

Modifier and Type	Method and Description
void	addImageTask(ImageTask imageTask, CubeImageView imageView) Add the ImageTask into loading list.
ImageLoader	attachToCubeFragment(CubeFragment fragment) LiefCycle phase will be same to CubeFragment, an will be processed automatically.
ImageTask	createImageTask(java.lang.String url, int requestWidth, int requestHeight, ImageReuseInfo imageReuseInfo) Create an ImageTask.
void	destroy() Drop all the work, clear the work list.
void	detachImageViewFromImageTask(ImageTask imageTask, CubeImageView imageView) Detach the ImageView from the ImageTask.
void	flushFileCache() flush un-cached image to disk
ImageDownloader	getImageDownloader()
ImageLoadHandler	getImageLoadHandler()
ImageProvider	getImageProvider()
ImageReSizer	getImageReSizer()
void	onBecomesPartiallyInvisible() The UI becomes partially invisible.
void	onBecomesTotallyInvisible() The UI becomes totally invisible.
void	onBecomesVisible() The UI becomes visible from partially invisible.
void	onBecomesVisibleFromTotallyInvisible() The UI becomes visible from totally invisible.
void	onDestroy() like Activity.onDestroy()
void	pauseWork() Temporarily hand up work, you can call this when the view is scrolling.
void	preLoadImages(java.lang.String[] urls) Load the image in advance.
boolean	queryCache(ImageTask imageTask, CubeImageView imageView) Check weather this imageTask has cache Drawable data.
void	recoverWork() Recover the from the work list
void	resumeWork() Resume the work
void	setImageDownloader(ImageDownloader imageDownloader)
void	setImageLoadHandler(ImageLoadHandler imageLoadHandler)
void	setImageReSizer(ImageReSizer reSizer)
void	setTaskOrder(int order) set task executed order: @TASK_ORDER_LAST_IN_FIRST_OUT or TASK_ORDER_FIRST_IN_FIRST_OUT
void	stopWork() Drop all the work, and leave it in the work list.
ImageLoader	tryToAttachToContainer(java.lang.Object object) try to attach to IComponentContainer
ImageLoader	tryToAttachToContainer(java.lang.Object object, boolean throwEx) try to attach to IComponentContainer

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

protected static final boolean DEBUG

LOG_TAG

protected static final java.lang.String LOG_TAG

mImageTaskExecutor

protected ImageTaskExecutor mImageTaskExecutor

mImageReSizer

protected ImageReSizer mImageReSizer

mImageProvider

protected ImageProvider mImageProvider

mImageLoadHandler

protected ImageLoadHandler mImageLoadHandler

mLoadImageLoadProgressHandler

protected ImageLoadProgressHandler mLoadImageLoadProgressHandler

mImageDownloader

protected ImageDownloader mImageDownloader

mPauseWork

protected boolean mPauseWork

mExitTasksEarly

protected boolean mExitTasksEarly

mContext

protected android.content.Context mContext

mResources

protected android.content.res.Resources mResources

TASK_ORDER_FIRST_IN_FIRST_OUT

public static final int TASK_ORDER_FIRST_IN_FIRST_OUT

See Also:

Constant Field Values

TASK_ORDER_LAST_IN_FIRST_OUT

public static final int TASK_ORDER_LAST_IN_FIRST_OUT

See Also:

Constant Field Values

Constructor Detail

ImageLoader

public ImageLoader(android.content.Context context,
           ImageProvider imageProvider,
           ImageTaskExecutor imageTaskExecutor,
           ImageReSizer imageReSizer,
           ImageLoadHandler imageLoadHandler)

Method Detail

setImageLoadHandler

public void setImageLoadHandler(ImageLoadHandler imageLoadHandler)

getImageLoadHandler

public ImageLoadHandler getImageLoadHandler()

getImageDownloader

public ImageDownloader getImageDownloader()

setImageDownloader

public void setImageDownloader(ImageDownloader imageDownloader)

setImageReSizer

public void setImageReSizer(ImageReSizer reSizer)

getImageReSizer

public ImageReSizer getImageReSizer()

getImageProvider

public ImageProvider getImageProvider()

preLoadImages

public void preLoadImages(java.lang.String[] urls)

Load the image in advance.

createImageTask

public ImageTask createImageTask(java.lang.String url,
                        int requestWidth,
                        int requestHeight,
                        ImageReuseInfo imageReuseInfo)

Create an ImageTask. You can override this method to return a customized ImageTask.

Parameters:

url -

requestWidth -

requestHeight -

imageReuseInfo -

Returns:

detachImageViewFromImageTask

public void detachImageViewFromImageTask(ImageTask imageTask,
                                CubeImageView imageView)

Detach the ImageView from the ImageTask.

Parameters:

imageTask -

imageView -

addImageTask

public void addImageTask(ImageTask imageTask,
                CubeImageView imageView)

Add the ImageTask into loading list.

Parameters:

imageTask -

imageView -

queryCache

public boolean queryCache(ImageTask imageTask,
                 CubeImageView imageView)

Check weather this imageTask has cache Drawable data.

setTaskOrder

public void setTaskOrder(int order)

set task executed order: @TASK_ORDER_LAST_IN_FIRST_OUT or TASK_ORDER_FIRST_IN_FIRST_OUT

Parameters:

order -

flushFileCache

public void flushFileCache()

flush un-cached image to disk

pauseWork

public void pauseWork()

Temporarily hand up work, you can call this when the view is scrolling.

resumeWork

public void resumeWork()

Resume the work

recoverWork

public void recoverWork()

Recover the from the work list

stopWork

public void stopWork()

Drop all the work, and leave it in the work list.

destroy

public void destroy()

Drop all the work, clear the work list.

onBecomesPartiallyInvisible

public void onBecomesPartiallyInvisible()

The UI becomes partially invisible. like Activity.onPause()

Specified by:

onBecomesPartiallyInvisible in interface LifeCycleComponent

onBecomesVisible

public void onBecomesVisible()

The UI becomes visible from partially invisible. like Activity.onResume()

Specified by:

onBecomesVisible in interface LifeCycleComponent

onBecomesTotallyInvisible

public void onBecomesTotallyInvisible()

The UI becomes totally invisible. like Activity.onStop()

Specified by:

onBecomesTotallyInvisible in interface LifeCycleComponent

onBecomesVisibleFromTotallyInvisible

public void onBecomesVisibleFromTotallyInvisible()

The UI becomes visible from totally invisible. like Activity.onRestart()

Specified by:

onBecomesVisibleFromTotallyInvisible in interface LifeCycleComponent

onDestroy

public void onDestroy()

like Activity.onDestroy()

Specified by:

onDestroy in interface LifeCycleComponent

tryToAttachToContainer

public ImageLoader tryToAttachToContainer(java.lang.Object object)

try to attach to IComponentContainer

tryToAttachToContainer

public ImageLoader tryToAttachToContainer(java.lang.Object object,
                                 boolean throwEx)

try to attach to IComponentContainer

attachToCubeFragment

public ImageLoader attachToCubeFragment(CubeFragment fragment)

LiefCycle phase will be same to CubeFragment, an will be processed automatically.

Parameters:

fragment -

Returns: