com.actionbarsherlock.internal.view.menu.MenuDialogHelper Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of holoeverywhere-demo Show documentation
The newest version!
package com.actionbarsherlock.internal.view.menu;

import android.content.DialogInterface;
import android.os.IBinder;
import android.view.KeyEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

import com.WazaBe.HoloEverywhere.R;
import com.WazaBe.HoloEverywhere.app.AlertDialog;

public class MenuDialogHelper implements DialogInterface.OnKeyListener,
		DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
		MenuPresenter.Callback {
	private AlertDialog mDialog;
	private MenuBuilder mMenu;
	ListMenuPresenter mPresenter;
	private MenuPresenter.Callback mPresenterCallback;

	public MenuDialogHelper(MenuBuilder menu) {
		mMenu = menu;
	}

	public void dismiss() {
		if (mDialog != null) {
			mDialog.dismiss();
		}
	}

	@Override
	public void onClick(DialogInterface dialog, int which) {
		mMenu.performItemAction(
				(MenuItemImpl) mPresenter.getAdapter().getItem(which), 0);
	}

	@Override
	public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
		if (allMenusAreClosing || menu == mMenu) {
			dismiss();
		}
		if (mPresenterCallback != null) {
			mPresenterCallback.onCloseMenu(menu, allMenusAreClosing);
		}
	}

	@Override
	public void onDismiss(DialogInterface dialog) {
		mPresenter.onCloseMenu(mMenu, true);
	}

	@Override
	public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_MENU
				|| keyCode == KeyEvent.KEYCODE_BACK) {
			if (event.getAction() == KeyEvent.ACTION_DOWN
					&& event.getRepeatCount() == 0) {
				Window win = mDialog.getWindow();
				if (win != null) {
					View decor = win.getDecorView();
					if (decor != null) {
						KeyEvent.DispatcherState ds = decor
								.getKeyDispatcherState();
						if (ds != null) {
							ds.startTracking(event, this);
							return true;
						}
					}
				}
			} else if (event.getAction() == KeyEvent.ACTION_UP
					&& !event.isCanceled()) {
				Window win = mDialog.getWindow();
				if (win != null) {
					View decor = win.getDecorView();
					if (decor != null) {
						KeyEvent.DispatcherState ds = decor
								.getKeyDispatcherState();
						if (ds != null && ds.isTracking(event)) {
							mMenu.close(true);
							dialog.dismiss();
							return true;
						}
					}
				}
			}
		}
		return mMenu.performShortcut(keyCode, event, 0);

	}

	@Override
	public boolean onOpenSubMenu(MenuBuilder subMenu) {
		if (mPresenterCallback != null) {
			return mPresenterCallback.onOpenSubMenu(subMenu);
		}
		return false;
	}

	public void setPresenterCallback(MenuPresenter.Callback cb) {
		mPresenterCallback = cb;
	}

	public void show(IBinder windowToken) {
		final MenuBuilder menu = mMenu;
		final AlertDialog.Builder builder = new AlertDialog.Builder(
				menu.getContext());
		mPresenter = new ListMenuPresenter(builder.getContext(),
				R.layout.list_menu_item_layout);
		mPresenter.setCallback(this);
		mMenu.addMenuPresenter(mPresenter);
		builder.setAdapter(mPresenter.getAdapter(), this);
		final View headerView = menu.getHeaderView();
		if (headerView != null) {
			builder.setCustomTitle(headerView);
		} else {
			builder.setIcon(menu.getHeaderIcon()).setTitle(
					menu.getHeaderTitle());
		}
		builder.setOnKeyListener(this);
		mDialog = builder.create();
		mDialog.setOnDismissListener(this);
		WindowManager.LayoutParams lp = mDialog.getWindow().getAttributes();
		lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
		if (windowToken != null) {
			lp.token = windowToken;
		}
		lp.flags |= WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
		mDialog.show();
	}
}