mirror of https://github.com/tasks/tasks
Refactored task adapter add on manager into own class, fixed a bug with detail loading, updated task details to not use broadcast receiver, added skeleton google order actions
Tim Su
14 years ago
parent
aa7ed3dc94
commit
459009f39c
@ -0,0 +1,61 @@
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package com.todoroo.astrid.gtasks;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import com.todoroo.andlib.service.Autowired;
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import com.todoroo.andlib.service.ContextManager;
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import com.todoroo.andlib.service.DependencyInjectionService;
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import com.todoroo.astrid.api.AstridApiConstants;
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import com.todoroo.astrid.core.PluginServices;
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import com.todoroo.astrid.data.Metadata;
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import com.todoroo.astrid.utility.Flags;
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/**
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* Context Menu actions for changing the order of a task
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* @author Tim Su <tim@todoroo.com>
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*
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*/
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abstract public class GtasksOrderAction extends BroadcastReceiver {
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@Autowired private GtasksMetadataService gtasksMetadataService;
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abstract int getDelta();
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@Override
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public void onReceive(Context context, Intent intent) {
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ContextManager.setContext(context);
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DependencyInjectionService.getInstance().inject(this);
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long taskId = intent.getLongExtra(AstridApiConstants.EXTRAS_TASK_ID, -1);
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if(taskId == -1)
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return;
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Metadata metadata = gtasksMetadataService.getTaskMetadata(taskId);
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if(metadata == null) {
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metadata = GtasksMetadata.createEmptyMetadata(taskId);
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}
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// TODO
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PluginServices.getMetadataService().save(metadata);
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Flags.set(Flags.REFRESH);
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}
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public static class GtasksMoveUpAction extends GtasksOrderAction {
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@Override
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public int getDelta() {
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return -1;
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}
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}
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public static class GtasksMoveDownAction extends GtasksOrderAction {
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@Override
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public int getDelta() {
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return 1;
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}
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}
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}
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@ -0,0 +1,140 @@
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/**
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*
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*/
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package com.todoroo.astrid.helper;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import android.app.ListActivity;
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import android.content.Intent;
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import android.widget.ListView;
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import com.todoroo.astrid.adapter.TaskAdapter.ViewHolder;
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import com.todoroo.astrid.api.AstridApiConstants;
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import com.todoroo.astrid.data.Task;
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abstract public class TaskAdapterAddOnManager<TYPE> {
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private final ListActivity activity;
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/**
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* @param taskAdapter
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*/
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protected TaskAdapterAddOnManager(ListActivity activity) {
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this.activity = activity;
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}
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private final Map<Long, HashMap<String, TYPE>> cache =
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Collections.synchronizedMap(new HashMap<Long, HashMap<String, TYPE>>(0));
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// --- interface
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/**
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* Request add-ons for the given task
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* @return true if cache miss, false if cache hit
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*/
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public boolean request(ViewHolder viewHolder) {
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long taskId = viewHolder.task.getId();
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Collection<TYPE> list = initialize(taskId);
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if(list != null) {
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draw(viewHolder, taskId, list);
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return false;
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}
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// request details
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draw(viewHolder, taskId, get(taskId));
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Intent broadcastIntent = createBroadcastIntent(viewHolder.task);
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if(broadcastIntent != null)
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activity.sendOrderedBroadcast(broadcastIntent, AstridApiConstants.PERMISSION_READ);
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return true;
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}
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/** creates a broadcast intent for requesting */
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abstract protected Intent createBroadcastIntent(Task task);
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/** updates the given view */
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abstract protected void draw(ViewHolder viewHolder, long taskId, Collection<TYPE> list);
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/** resets the view as if there was nothing */
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abstract protected void reset(ViewHolder viewHolder, long taskId);
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/** on receive an intent */
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public void addNew(long taskId, String addOn, TYPE item) {
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if(item == null)
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return;
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Collection<TYPE> cacheList = addIfNotExists(taskId, addOn, item);
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if(cacheList != null) {
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ListView listView = activity.getListView();
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// update view if it is visible
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int length = listView.getChildCount();
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for(int i = 0; i < length; i++) {
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ViewHolder viewHolder = (ViewHolder) listView.getChildAt(i).getTag();
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if(viewHolder == null || viewHolder.task.getId() != taskId)
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continue;
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draw(viewHolder, taskId, cacheList);
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break;
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}
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}
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}
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/**
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* Clears the cache
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*/
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public void clearCache() {
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cache.clear();
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}
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/**
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* Clears single item from cache
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*/
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public void clearCache(long taskId) {
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cache.remove(taskId);
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}
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// --- internal goodies
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/**
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* Retrieves a list. If it doesn't exist, list is created, but
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* the method will return null
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* @param taskId
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* @return list if there was already one
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*/
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protected synchronized Collection<TYPE> initialize(long taskId) {
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if(cache.containsKey(taskId) && cache.get(taskId) != null)
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return get(taskId);
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cache.put(taskId, new HashMap<String, TYPE>(0));
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return null;
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}
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/**
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* Adds an item to the cache if it doesn't exist
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* @param taskId
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* @param item
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* @return iterator if item was added, null if it already existed
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*/
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protected synchronized Collection<TYPE> addIfNotExists(long taskId, String addOn,
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TYPE item) {
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HashMap<String, TYPE> list = cache.get(taskId);
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if(list == null)
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return null;
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if(list.containsKey(addOn) && list.get(addOn).equals(item))
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return null;
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list.put(addOn, item);
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return get(taskId);
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}
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/**
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* Gets an item at the given index
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* @param taskId
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* @return
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*/
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protected Collection<TYPE> get(long taskId) {
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return cache.get(taskId).values();
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}
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}
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