Java 类android.widget.WrapperListAdapter 实例源码

/**
 * @throws java.lang.IllegalStateException    if the adapter does not have stable ids.
 * @throws java.lang.IllegalArgumentException if the adapter does not implement {@link com.nhaarman.listviewanimations.util.Swappable}.
 */
private void setAdapterInternal(@NonNull final ListAdapter adapter) {
    ListAdapter actualAdapter = adapter;
    if (actualAdapter instanceof WrapperListAdapter) {
        actualAdapter = ((WrapperListAdapter) actualAdapter).getWrappedAdapter();
    }

    if (!actualAdapter.hasStableIds()) {
        throw new IllegalStateException("Adapter doesn't have stable ids! Make sure your adapter has stable ids, and override hasStableIds() to return true.");
    }

    if (!(actualAdapter instanceof Swappable)) {
        throw new IllegalArgumentException("Adapter should implement Swappable!");
    }

    mAdapter = actualAdapter;
}

/**
 * @throws java.lang.IllegalStateException    if the adapter does not have stable ids.
 * @throws java.lang.IllegalArgumentException if the adapter does not implement {@link com.nhaarman.listviewanimations.util.Swappable}.
 */
private void setAdapterInternal(@NonNull final ListAdapter adapter) {
    ListAdapter actualAdapter = adapter;
    if (actualAdapter instanceof WrapperListAdapter) {
        actualAdapter = ((WrapperListAdapter) actualAdapter).getWrappedAdapter();
    }

    if (!actualAdapter.hasStableIds()) {
        throw new IllegalStateException("Adapter doesn't have stable ids! Make sure your adapter has stable ids, and override hasStableIds() to return true.");
    }

    if (!(actualAdapter instanceof Swappable)) {
        throw new IllegalArgumentException("Adapter should implement Swappable!");
    }

    mAdapter = actualAdapter;
}

@Override
@SuppressWarnings("unchecked")
public void setAdapter(final ListAdapter adapter) {
    ListAdapter innerAdapter = adapter;

    if (innerAdapter instanceof WrapperListAdapter) {
        WrapperListAdapter wrapperAdapter = (WrapperListAdapter) innerAdapter;
        innerAdapter = wrapperAdapter.getWrappedAdapter();

        if (!(innerAdapter instanceof AsymmetricGridViewAdapterContract))
            throw new UnsupportedOperationException("Wrapped adapter must implement AsymmetricGridViewAdapterContract");
    } else {
        if (!(innerAdapter instanceof AsymmetricGridViewAdapterContract))
            throw new UnsupportedOperationException("Adapter must implement AsymmetricGridViewAdapterContract");
    }

    gridAdapter = (AsymmetricGridViewAdapterContract) innerAdapter;
    super.setAdapter(innerAdapter);
    gridAdapter.recalculateItemsPerRow();
}

public void onItemClick(AdapterView<?> parent, View v, int position, long id) {

            /* Get the HighScoreListAdapter back from parent view.
             * The Adapter is wrapped, so we need to cast it back.
             * Use the id to get the corresponding data base entry from the
             * adapter. */
            DSDBGameEntry entry = (DSDBGameEntry) ((HighScoreListAdapter) ((WrapperListAdapter) ((ListView) parent)
                    .getAdapter()).getWrappedAdapter()).getItem((int) id);

            Intent intent = getIntent();
            // TODO: Use a constant!
            intent.putExtra("GAMEID", entry.GAMEID);

            setResult(INTENTRESULT_PLAY_REPLAY, intent);

            finish();
        }

@Test
@UiThreadTest
public void listViewHeaderAdapter() {
    List<String> items = Arrays.asList("one", "two", "three");
    TestHelpers.ViewModel viewModel = new TestHelpers.ViewModel.Builder(items, ItemBinding.<String>of(me.tatarka.bindingcollectionadapter2.BR.item, R.layout.item)).build();
    ViewDataBinding binding = DataBindingUtil.inflate(inflater, R.layout.list_view, null, false);
    binding.setVariable(me.tatarka.bindingcollectionadapter2.BR.viewModel, viewModel);
    binding.executePendingBindings();
    // addHeaderView must be called after the adapter is set.
    ((ListView) binding.getRoot()).addHeaderView(new View(binding.getRoot().getContext()));
    // Trigger rebind to exercise the case when the adapter it wrapped in a HeaderListViewAdapter
    binding.setVariable(me.tatarka.bindingcollectionadapter2.BR.viewModel, viewModel);
    binding.executePendingBindings();

    ListView listView = (ListView) binding.getRoot();
    @SuppressWarnings("unchecked")
    BindingListViewAdapter<String> adapter = (BindingListViewAdapter<String>) ((WrapperListAdapter) listView.getAdapter()).getWrappedAdapter();

    assertThat(TestHelpers.iterable(adapter)).containsExactlyElementsOf(items);
}

@Override
protected
void onPostExecute(String[][] result)
{
    // Set the titles & counts arrays in this file and notify the adapter.
    ListView navigationList = (ListView) m_activity.findViewById(R.id.fragment_navigation_drawer);
    WrapperListAdapter wrapperAdapter = (WrapperListAdapter) navigationList.getAdapter();
    ArrayAdapter<String[]> adapter = (ArrayAdapter<String[]>) wrapperAdapter.getWrappedAdapter();

    // Update the data in the adapter.
    adapter.clear();
    adapter.addAll(result);

    // Update the subtitle.
    if(Constants.s_fragmentFeeds.isVisible())
    {
        Utilities.setTitlesAndDrawerAndPage(null, -10);
    }
}

@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
    if (AppConfig.INSTANCE.getBoolean(view.getContext(), AppConfig.Key.SCROLLING_PAUSE_LOAD) && view.getAdapter() != null) {
        ListAdapter listAdapter = view.getAdapter();
        if (listAdapter instanceof WrapperListAdapter) {
            listAdapter = ((WrapperListAdapter) listAdapter).getWrappedAdapter();
        }
        if (listAdapter instanceof BaseAdapter) {
            if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL) {
                if (!sketch.getConfiguration().isPauseLoadEnabled()) {
                    sketch.getConfiguration().setPauseLoadEnabled(true);
                }
            } else if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_IDLE) {
                if (sketch.getConfiguration().isPauseLoadEnabled()) {
                    sketch.getConfiguration().setPauseLoadEnabled(false);
                    ((BaseAdapter) listAdapter).notifyDataSetChanged();
                }
            }
        }
    }

    if (absListScrollListener != null) {
        absListScrollListener.onScrollStateChanged(view, scrollState);
    }
}

/**
 * Saves the current state of the specified <var>adapter</var>.
 *
 * @param adapter The adapter of which state to save. Should be instance of {@link StatefulAdapter}
 *                or one of wrapper adapter ({@link android.widget.WrapperListAdapter}) implementations.
 * @return Adapter's saved state or {@code null} or empty state if the adapter does not save its
 * state or it is not a stateful adapter.
 */
private Parcelable saveAdapterState(Adapter adapter) {
    if (adapter instanceof StatefulAdapter) {
        return ((StatefulAdapter) adapter).saveInstanceState();
    } else if (adapter instanceof WrapperListAdapter) {
        return saveAdapterState(((WrapperListAdapter) adapter).getWrappedAdapter());
    }
    return null;
}

/**
 * Restores the saved state of the specified <var>adapter</var>.
 *
 * @param adapter      The adapter of which state to restore. Should be instance of {@link StatefulAdapter}
 *                     or one of wrapper adapter ({@link android.widget.WrapperListAdapter}) implementations.
 * @param adapterState The previously saved adapter state via {@link #saveAdapterState(Adapter)}.
 */
private void restoreAdapterState(Adapter adapter, Parcelable adapterState) {
    if (adapter instanceof StatefulAdapter) {
        ((StatefulAdapter) adapter).restoreInstanceState(adapterState);
    } else if (adapter instanceof WrapperListAdapter) {
        restoreAdapterState(((WrapperListAdapter) adapter).getWrappedAdapter(), adapterState);
    }
}

/**
 * Saves the current state of the specified <var>adapter</var>.
 *
 * @param adapter The adapter of which state to save. Should be instance of {@link StatefulAdapter}
 *                or one of wrapper adapter ({@link android.widget.WrapperListAdapter}) implementations.
 * @return Adapter's saved state or {@code null} or empty state if the adapter does not save its
 * state or it is not a stateful adapter.
 */
private Parcelable saveAdapterState(Adapter adapter) {
    if (adapter instanceof StatefulAdapter) {
        return ((StatefulAdapter) adapter).saveInstanceState();
    } else if (adapter instanceof WrapperListAdapter) {
        return saveAdapterState(((WrapperListAdapter) adapter).getWrappedAdapter());
    }
    return null;
}

/**
 * Restores the saved state of the specified <var>adapter</var>.
 *
 * @param adapter      The adapter of which state to restore. Should be instance of {@link StatefulAdapter}
 *                     or one of wrapper adapter ({@link android.widget.WrapperListAdapter}) implementations.
 * @param adapterState The previously saved adapter state via {@link #saveAdapterState(Adapter)}.
 */
private void restoreAdapterState(Adapter adapter, Parcelable adapterState) {
    if (adapter instanceof StatefulAdapter) {
        ((StatefulAdapter) adapter).restoreInstanceState(adapterState);
    } else if (adapter instanceof WrapperListAdapter) {
        restoreAdapterState(((WrapperListAdapter) adapter).getWrappedAdapter(), adapterState);
    }
}

public static SubjectFactory<WrapperListAdapterSubject, WrapperListAdapter> type() {
  return new SubjectFactory<WrapperListAdapterSubject, WrapperListAdapter>() {
    @Override
    public WrapperListAdapterSubject getSubject(FailureStrategy fs, WrapperListAdapter that) {
      return new WrapperListAdapterSubject(fs, that);
    }
  };
}

private PinnedSectionGridAdapter getPinnedAdapter() {
    PinnedSectionGridAdapter adapter;
    if (getAdapter() instanceof WrapperListAdapter)
        adapter= (PinnedSectionGridAdapter) ((WrapperListAdapter)getAdapter()).getWrappedAdapter();
    else adapter = (PinnedSectionGridAdapter) getAdapter();
    return adapter;
}

private PinnedSectionListAdapter getPinnedAdapter() {
    PinnedSectionListAdapter adapter;
    if (getAdapter() instanceof WrapperListAdapter)
        adapter= (PinnedSectionListAdapter) ((WrapperListAdapter)getAdapter()).getWrappedAdapter();
    else adapter = (PinnedSectionListAdapter) getAdapter();
    return adapter;
}

@SuppressWarnings({ "rawtypes", "unchecked" })
private static void setAdapterProxy(final AdapterView adapterView) {
    Adapter adapter = adapterView.getAdapter();
    if (adapter == null || Proxy.isProxyClass(adapter.getClass())) {
        // Thou shalt not Proxy a Proxy!
        return;
    }
    if (adapterView instanceof ExpandableListView) {
        // FIXME - Right now, skip the support for ExpandableListView.
        // This class throws exceptions on setAdapter(Adapter), and requires
        // a special adapter that only works with it.... Lame API break!
        return;
    }
    // Collect the Adapter sub-interfaces that we
    // would like to proxy.
    List<Class<?>> interfaces = new ArrayList<Class<?>>(4);
    interfaces.add(Adapter.class);
    if (adapter instanceof ListAdapter) {
        interfaces.add(ListAdapter.class);
    }
    if (adapter instanceof WrapperListAdapter) {
        interfaces.add(WrapperListAdapter.class);
    }
    if (adapter instanceof SpinnerAdapter) {
        interfaces.add(SpinnerAdapter.class);
    }

    // Create a proxy for the adapter to intercept
    // the 'getView'
    Adapter newAdapter = (Adapter) PXAdapterInvocationHandler.newInstance(adapterView,
            interfaces.toArray(new Class<?>[interfaces.size()]));

    // Set the proxy as the adapter
    adapterView.setAdapter(newAdapter);
}

ListAdapter getAdapter() {
    final ListAdapter adapter = mAbsListView.getAdapter();
    if (adapter instanceof WrapperListAdapter) {
        WrapperListAdapter wrapperAdapter = (WrapperListAdapter) adapter;
        return wrapperAdapter.getWrappedAdapter();
    }

    return adapter;
}

private QuickReturnAdapter getAdapter() {
  ListAdapter adapter = listView.getAdapter();

  if (adapter instanceof WrapperListAdapter) {
    adapter = ((WrapperListAdapter) adapter).getWrappedAdapter();
  }

  if (!(adapter instanceof QuickReturnAdapter)) {
    throw new UnsupportedOperationException(
        "Your QuickReturn ListView adapter must be an instance of QuickReturnAdapter.");
  }

  return (QuickReturnAdapter) adapter;
}

public BaseAdapter getBaseAdapter() {
    Adapter adapter = getAdapter();
    if (adapter != null) {
        if (adapter instanceof WrapperListAdapter) {
            adapter = ((WrapperListAdapter) adapter).getWrappedAdapter();
        }

        if (adapter instanceof BaseAdapter) {
            return (BaseAdapter) adapter;
        }
    }
    return null;
}

public BaseAdapter getBaseAdapter() {
    Adapter adapter = getAdapter();
    if (adapter != null) {
        if (adapter instanceof WrapperListAdapter) {
            adapter = ((WrapperListAdapter) adapter).getWrappedAdapter();
        }

        if (adapter instanceof BaseAdapter) {
            return (BaseAdapter) adapter;
        }
    }
    return null;
}

protected WrapperListAdapterSubject(FailureStrategy failureStrategy, WrapperListAdapter subject) {
  super(failureStrategy, subject);
}

/**
 * Unwraps any {@link android.widget.WrapperListAdapter}, commonly {@link
 * android.widget.HeaderViewListAdapter}.
 */
private static Adapter unwrapAdapter(Adapter adapter) {
    return adapter instanceof WrapperListAdapter
            ? unwrapAdapter(((WrapperListAdapter) adapter).getWrappedAdapter())
            : adapter;
}

public WrapperListAdapterAssert(WrapperListAdapter actual) {
  super(actual, WrapperListAdapterAssert.class);
}