android.support.v4.app._ActionBarSherlockTrojanHorse.java Source code

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Here is the source code for android.support.v4.app._ActionBarSherlockTrojanHorse.java

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/*
50AH-code
=========
    
50 Android Hacks (http://manning.com/sessa/) book source code
    
    
Copyright (c) 2012 Manning
    
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
    
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
    
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
    
    
*/

package android.support.v4.app;

import android.util.Log;
import android.view.View;
import android.view.Window;
import com.actionbarsherlock.ActionBarSherlock.OnCreatePanelMenuListener;
import com.actionbarsherlock.ActionBarSherlock.OnMenuItemSelectedListener;
import com.actionbarsherlock.ActionBarSherlock.OnPreparePanelListener;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;

import java.util.ArrayList;

/** I'm in ur package. Stealing ur variables. */
public abstract class _ActionBarSherlockTrojanHorse extends FragmentActivity
        implements OnCreatePanelMenuListener, OnPreparePanelListener, OnMenuItemSelectedListener {
    private static final boolean DEBUG = false;
    private static final String TAG = "_ActionBarSherlockTrojanHorse";

    /** Fragment interface for menu creation callback. */
    public interface OnCreateOptionsMenuListener {
        public void onCreateOptionsMenu(Menu menu, MenuInflater inflater);
    }

    /** Fragment interface for menu preparation callback. */
    public interface OnPrepareOptionsMenuListener {
        public void onPrepareOptionsMenu(Menu menu);
    }

    /** Fragment interface for menu item selection callback. */
    public interface OnOptionsItemSelectedListener {
        public boolean onOptionsItemSelected(MenuItem item);
    }

    private ArrayList<Fragment> mCreatedMenus;

    ///////////////////////////////////////////////////////////////////////////
    // Sherlock menu handling
    ///////////////////////////////////////////////////////////////////////////

    @Override
    public boolean onCreatePanelMenu(int featureId, Menu menu) {
        if (DEBUG)
            Log.d(TAG, "[onCreatePanelMenu] featureId: " + featureId + ", menu: " + menu);

        if (featureId == Window.FEATURE_OPTIONS_PANEL) {
            boolean result = onCreateOptionsMenu(menu);
            if (DEBUG)
                Log.d(TAG, "[onCreatePanelMenu] activity create result: " + result);

            MenuInflater inflater = getSupportMenuInflater();
            boolean show = false;
            ArrayList<Fragment> newMenus = null;
            if (mFragments.mActive != null) {
                for (int i = 0; i < mFragments.mAdded.size(); i++) {
                    Fragment f = mFragments.mAdded.get(i);
                    if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible
                            && f instanceof OnCreateOptionsMenuListener) {
                        show = true;
                        ((OnCreateOptionsMenuListener) f).onCreateOptionsMenu(menu, inflater);
                        if (newMenus == null) {
                            newMenus = new ArrayList<Fragment>();
                        }
                        newMenus.add(f);
                    }
                }
            }

            if (mCreatedMenus != null) {
                for (int i = 0; i < mCreatedMenus.size(); i++) {
                    Fragment f = mCreatedMenus.get(i);
                    if (newMenus == null || !newMenus.contains(f)) {
                        f.onDestroyOptionsMenu();
                    }
                }
            }

            mCreatedMenus = newMenus;

            if (DEBUG)
                Log.d(TAG, "[onCreatePanelMenu] fragments create result: " + show);
            result |= show;

            if (DEBUG)
                Log.d(TAG, "[onCreatePanelMenu] returning " + result);
            return result;
        }
        return false;
    }

    @Override
    public boolean onPreparePanel(int featureId, View view, Menu menu) {
        if (DEBUG)
            Log.d(TAG, "[onPreparePanel] featureId: " + featureId + ", view: " + view + " menu: " + menu);

        if (featureId == Window.FEATURE_OPTIONS_PANEL) {
            boolean result = onPrepareOptionsMenu(menu);
            if (DEBUG)
                Log.d(TAG, "[onPreparePanel] activity prepare result: " + result);

            boolean show = false;
            if (mFragments.mActive != null) {
                for (int i = 0; i < mFragments.mAdded.size(); i++) {
                    Fragment f = mFragments.mAdded.get(i);
                    if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible
                            && f instanceof OnPrepareOptionsMenuListener) {
                        show = true;
                        ((OnPrepareOptionsMenuListener) f).onPrepareOptionsMenu(menu);
                    }
                }
            }

            if (DEBUG)
                Log.d(TAG, "[onPreparePanel] fragments prepare result: " + show);
            result |= show;

            result &= menu.hasVisibleItems();
            if (DEBUG)
                Log.d(TAG, "[onPreparePanel] returning " + result);
            return result;
        }
        return false;
    }

    @Override
    public boolean onMenuItemSelected(int featureId, MenuItem item) {
        if (DEBUG)
            Log.d(TAG, "[onMenuItemSelected] featureId: " + featureId + ", item: " + item);

        if (featureId == Window.FEATURE_OPTIONS_PANEL) {
            if (onOptionsItemSelected(item)) {
                return true;
            }

            if (mFragments.mActive != null) {
                for (int i = 0; i < mFragments.mAdded.size(); i++) {
                    Fragment f = mFragments.mAdded.get(i);
                    if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible
                            && f instanceof OnOptionsItemSelectedListener) {
                        if (((OnOptionsItemSelectedListener) f).onOptionsItemSelected(item)) {
                            return true;
                        }
                    }
                }
            }
        }
        return false;
    }

    public abstract boolean onCreateOptionsMenu(Menu menu);

    public abstract boolean onPrepareOptionsMenu(Menu menu);

    public abstract boolean onOptionsItemSelected(MenuItem item);

    public abstract MenuInflater getSupportMenuInflater();
}