com.atakmap.android.image

Class ImageGalleryBaseAdapter

java.lang.Object

android.widget.BaseAdapter

com.atakmap.android.image.ImageGalleryBaseAdapter

All Implemented Interfaces:

android.widget.Adapter, android.widget.ListAdapter, android.widget.SpinnerAdapter

Direct Known Subclasses:

ImageGalleryBlobAdapter, ImageGalleryFileAdapter

public abstract class ImageGalleryBaseAdapter
extends android.widget.BaseAdapter

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ImageGalleryBaseAdapter.ThumbnailCreator<T>
protected static class	ImageGalleryBaseAdapter.ViewHolder<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<java.lang.Class<?>,HierarchyListFilter>	filters
protected ImageGalleryReceiver	receiver
protected LimitingThread	refreshThread

Fields inherited from interface android.widget.Adapter

IGNORE_ITEM_VIEW_TYPE, NO_SELECTION

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ImageGalleryBaseAdapter(MapView mapView, android.view.View progressBar, boolean showDetails)

Method Summary

Modifier and Type	Method and Description
void	addFilter(HierarchyListFilter filter) Add filter to the list of filters to be run when refreshing Only one filter per class is allowed
abstract void	customizeGalleryView(android.view.View gallery) Customizes image gallery view elements (e.g., visibility, click handlers) as needed by the adapter.
abstract void	customizeToolbarView(android.view.View toolbar) Customizes image gallery toolbar view elements (e.g., visibility, click handlers) as needed by the adapter.
protected abstract void	displayFile(GalleryItem item) Display the supplied item, which was clicked in the gallery and has been determined not to represent an image or video.
protected void	displayImage(GalleryItem item) Display the supplied item, which was clicked in the gallery and has been determined to represent an image.
protected abstract void	displayVideo(GalleryItem item) Display the supplied item, which was clicked in the gallery and has been determined to represent a video.
void	dispose()
protected static <ItemT extends GalleryItem> java.io.File	getCacheFile(ItemT item, java.lang.String destExt) Returns a File representing the possible cache location of the supplied item with the supplied filename extension.
protected boolean	getDisplayDetails()
abstract DropDown.OnStateListener	getDropDownStateListener()
protected FileCache	getFileCache()
android.widget.AdapterView.OnItemClickListener	getGridViewClickListener()
protected abstract java.lang.String[]	getImageURIs() Returns an array of the URIs of GalleryItems that are of an image MIME type.
protected java.util.concurrent.Executor	getLoadExecutor()
protected MapView	getMapView()
protected java.util.concurrent.Executor	getSaveExecutor()
protected java.lang.String	getTitle(GalleryItem item)
protected java.lang.String[]	getTitles() Returns an array of titles, Either null, or 1-1 with getImageURIs()
protected void	hideProgressBar()
void	refresh() Refresh this adapter after making changes to its contents
protected abstract void	refreshImpl() Refresh called on non-UI thread
void	removeFilter(java.lang.Class<?> filterClass) Remove a filter type from the list
void	removeFilter(HierarchyListFilter filter) Remove a filter from the list
static android.graphics.Bitmap	rotateBitmap(android.graphics.Bitmap bmp, int orientation) Rotates the supplied bitmap to the orientation specified by the supplied Exif orientation tag value.
void	setDisplayDetails(boolean showDetails)
protected <ItemT extends GalleryItem> void	setItemThumbnail(ImageGalleryBaseAdapter.ViewHolder<ItemT> holder, ImageGalleryBaseAdapter.ThumbnailCreator<ItemT> thumbCreator)
void	setReceiver(ImageGalleryReceiver receiver)
protected void	showProgressBar()
protected static void	updateLastModified(java.io.File f)

Methods inherited from class android.widget.BaseAdapter

areAllItemsEnabled, getAutofillOptions, getDropDownView, getItemViewType, getViewTypeCount, hasStableIds, isEmpty, isEnabled, notifyDataSetChanged, notifyDataSetInvalidated, registerDataSetObserver, setAutofillOptions, unregisterDataSetObserver

Methods inherited from class java.lang.Object

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

Methods inherited from interface android.widget.Adapter

getCount, getItem, getItemId, getView

Field Detail

receiver

protected ImageGalleryReceiver receiver

filters

protected final java.util.Map<java.lang.Class<?>,HierarchyListFilter> filters

refreshThread

protected final LimitingThread refreshThread

Constructor Detail

ImageGalleryBaseAdapter

protected ImageGalleryBaseAdapter(MapView mapView,
                                  android.view.View progressBar,
                                  boolean showDetails)

Method Detail

customizeGalleryView

public abstract void customizeGalleryView(android.view.View gallery)

Customizes image gallery view elements (e.g., visibility, click handlers) as needed by the adapter. (The gallery view's icon and title will have already been set.)

Parameters:

gallery - The image gallery view.

customizeToolbarView

public abstract void customizeToolbarView(android.view.View toolbar)

Customizes image gallery toolbar view elements (e.g., visibility, click handlers) as needed by the adapter. (The toolbar's image details and full screen buttons will have already had their click handlers set.)

Parameters:

toolbar - The image gallery's toolbar view.

dispose

public void dispose()

getDropDownStateListener

public abstract DropDown.OnStateListener getDropDownStateListener()

Returns:

The adapter's OnStateListener for the image gallery DropDown, or null if the adapter doesn't need to track modifications to the state of the DropDown. (The appearance/disappearance of the image gallery toolbar is handled by the caller after invoking this listener.)

getGridViewClickListener

public android.widget.AdapterView.OnItemClickListener getGridViewClickListener()

Returns:

The adapter's OnItemClickListener to handle clicks on items in the image gallery.

rotateBitmap

public static android.graphics.Bitmap rotateBitmap(android.graphics.Bitmap bmp,
                                                   int orientation)

Rotates the supplied bitmap to the orientation specified by the supplied Exif orientation tag value. If the requested orientation is anything other than one of the ExifInterface.ORIENTATION_ROTATE_* values, the original bitmap is returned. If a rotated bitmap is created, the supplied bitmap is recycled.

Parameters:

bmp - Bitmap to be rotated (and recycled).

orientation - Exif orientation tag value as defined by android.media.ExifInterface

Returns:

The supplied bitmap if no rotation is requested (or the supplied bitmap is null); otherwise, a new bitmap rotated to the supplied orientation.

setDisplayDetails

public void setDisplayDetails(boolean showDetails)

addFilter

public void addFilter(HierarchyListFilter filter)

Add filter to the list of filters to be run when refreshing Only one filter per class is allowed

Parameters:

filter - Filter object

removeFilter

public void removeFilter(HierarchyListFilter filter)

Remove a filter from the list

Parameters:

filter - Filter object

removeFilter

public void removeFilter(java.lang.Class<?> filterClass)

Remove a filter type from the list

Parameters:

filterClass - Filter class

displayFile

protected abstract void displayFile(GalleryItem item)

Display the supplied item, which was clicked in the gallery and has been determined not to represent an image or video. Called by the default implementation of the AdapterView.OnItemClickListener returned by getGridViewClickListener.

Parameters:

item - The GalleryItem to be displayed as a file.

displayImage

protected void displayImage(GalleryItem item)

Display the supplied item, which was clicked in the gallery and has been determined to represent an image. Called by the default implementation of the AdapterView.OnItemClickListener returned by getGridViewClickListener.

Parameters:

item - The GalleryItem to be displayed as an image.

displayVideo

protected abstract void displayVideo(GalleryItem item)

Display the supplied item, which was clicked in the gallery and has been determined to represent a video. Called by the default implementation of the AdapterView.OnItemClickListener returned by getGridViewClickListener.

Parameters:

item - The GalleryItem to be displayed as a video.

setReceiver

public void setReceiver(ImageGalleryReceiver receiver)

refresh

public void refresh()

Refresh this adapter after making changes to its contents

refreshImpl

protected abstract void refreshImpl()

Refresh called on non-UI thread

getCacheFile

protected static <ItemT extends GalleryItem> java.io.File getCacheFile(ItemT item,
                                                                       java.lang.String destExt)

Returns a File representing the possible cache location of the supplied item with the supplied filename extension.

Parameters:

item - The GalleryItem to be found/placed in the cache.

destExt - The filename extension for the cached file.

Returns:

A File referring to a location in the cache for the supplied item.

getDisplayDetails

protected boolean getDisplayDetails()

getFileCache

protected FileCache getFileCache()

getImageURIs

protected abstract java.lang.String[] getImageURIs()

Returns an array of the URIs of GalleryItems that are of an image MIME type.

Returns:

An array of URIs of the GalleryItems that are images.

getTitles

protected java.lang.String[] getTitles()

Returns an array of titles, Either null, or 1-1 with getImageURIs()

Returns:

getTitle

protected java.lang.String getTitle(GalleryItem item)

getMapView

protected MapView getMapView()

getLoadExecutor

protected java.util.concurrent.Executor getLoadExecutor()

getSaveExecutor

protected java.util.concurrent.Executor getSaveExecutor()

hideProgressBar

protected void hideProgressBar()

setItemThumbnail

protected <ItemT extends GalleryItem> void setItemThumbnail(ImageGalleryBaseAdapter.ViewHolder<ItemT> holder,
                                                            ImageGalleryBaseAdapter.ThumbnailCreator<ItemT> thumbCreator)

showProgressBar

protected void showProgressBar()

updateLastModified

protected static void updateLastModified(java.io.File f)
                                  throws java.io.IOException

Throws:

java.io.IOException