michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko;
michael@0: 
michael@0: import org.mozilla.gecko.widget.GeckoPopupMenu;
michael@0: 
michael@0: import android.view.Menu;
michael@0: import android.view.MenuItem;
michael@0: import android.view.View;
michael@0: 
michael@0: class ActionModeCompat implements GeckoPopupMenu.OnMenuItemClickListener,
michael@0:                                   View.OnClickListener {
michael@0:     private final String LOGTAG = "GeckoActionModeCompat";
michael@0: 
michael@0:     private Callback mCallback;
michael@0:     private ActionModeCompatView mView;
michael@0:     private Presenter mPresenter;
michael@0: 
michael@0:     /* A set of callbacks to be called during this ActionMode's lifecycle. These will control the
michael@0:      * creation, interaction with, and destruction of menuitems for the view */
michael@0:     public static interface Callback {
michael@0:         /* Called when action mode is first created. Implementors should use this to inflate menu resources. */
michael@0:         public boolean onCreateActionMode(ActionModeCompat mode, Menu menu);
michael@0: 
michael@0:         /* Called to refresh an action mode's action menu. Called whenever the mode is invalidated. Implementors
michael@0:          * should use this to enable/disable/show/hide menu items. */
michael@0:         public boolean onPrepareActionMode(ActionModeCompat mode, Menu menu);
michael@0: 
michael@0:         /* Called to report a user click on an action button. */
michael@0:         public boolean onActionItemClicked(ActionModeCompat mode, MenuItem item);
michael@0: 
michael@0:         /* Called when an action mode is about to be exited and destroyed. */
michael@0:         public void onDestroyActionMode(ActionModeCompat mode);
michael@0:     }
michael@0: 
michael@0:     /* Presenters handle the actual showing/hiding of the action mode UI in the app. Its their responsibility
michael@0:      * to create an action mode, and assign it Callbacks and ActionModeCompatView's. */
michael@0:     public static interface Presenter {
michael@0:         /* Called when an action mode should be shown */
michael@0:         public void startActionModeCompat(final Callback callback);
michael@0: 
michael@0:         /* Called when whatever action mode is showing should be hidden */
michael@0:         public void endActionModeCompat();
michael@0:     }
michael@0: 
michael@0:     public ActionModeCompat(Presenter presenter, Callback callback, ActionModeCompatView view) {
michael@0:         mPresenter = presenter;
michael@0:         mCallback = callback;
michael@0: 
michael@0:         mView = view;
michael@0:         mView.initForMode(this);
michael@0:     }
michael@0: 
michael@0:     public void finish() {
michael@0:         // Clearing the menu will also clear the ActionItemBar
michael@0:         mView.getMenu().clear();
michael@0:         if (mCallback != null) {
michael@0:             mCallback.onDestroyActionMode(this);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public CharSequence getTitle() {
michael@0:         return mView.getTitle();
michael@0:     }
michael@0: 
michael@0:     public void setTitle(CharSequence title) {
michael@0:         mView.setTitle(title);
michael@0:     }
michael@0: 
michael@0:     public void setTitle(int resId) {
michael@0:         mView.setTitle(resId);
michael@0:     }
michael@0: 
michael@0:     public Menu getMenu() {
michael@0:         return mView.getMenu();
michael@0:     }
michael@0: 
michael@0:     public void invalidate() {
michael@0:         if (mCallback != null) {
michael@0:             mCallback.onPrepareActionMode(this, mView.getMenu());
michael@0:         }
michael@0:         mView.invalidate();
michael@0:     }
michael@0: 
michael@0:     /* GeckoPopupMenu.OnMenuItemClickListener */
michael@0:     @Override
michael@0:     public boolean onMenuItemClick(MenuItem item) {
michael@0:         if (mCallback != null) {
michael@0:             return mCallback.onActionItemClicked(this, item);
michael@0:         }
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     /* View.OnClickListener*/
michael@0:     @Override
michael@0:     public void onClick(View v) {
michael@0:         mPresenter.endActionModeCompat();
michael@0:     }
michael@0: }