CommentSingleChoiceModeListener.java

package org.qii.weiciyuan.ui.actionmenu;

import org.qii.weiciyuan.R;
import org.qii.weiciyuan.bean.CommentBean;
import org.qii.weiciyuan.support.utils.GlobalContext;
import org.qii.weiciyuan.ui.basefragment.AbstractTimeLineFragment;
import org.qii.weiciyuan.ui.browser.BrowserCommentActivity;
import org.qii.weiciyuan.ui.browser.BrowserWeiboMsgFragment;
import org.qii.weiciyuan.ui.send.WriteReplyToCommentActivity;

import android.app.Activity;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.support.v4.app.Fragment;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.ShareActionProvider;
import android.widget.Toast;

import java.util.List;

/**
 * User: qii
 * Date: 12-9-10
 */
public class CommentSingleChoiceModeListener implements ActionMode.Callback {

    private ListView listView;
    private BaseAdapter adapter;
    private Fragment fragment;
    private ActionMode mode;
    private CommentBean bean;
    private ShareActionProvider mShareActionProvider;

    public void finish() {
        if (mode != null) {
            mode.finish();
        }
    }

    public CommentSingleChoiceModeListener(ListView listView, BaseAdapter adapter,
            Fragment fragment, CommentBean bean) {
        this.listView = listView;
        this.fragment = fragment;
        this.adapter = adapter;
        this.bean = bean;
    }

    private Activity getActivity() {
        return fragment.getActivity();
    }

    @Override
    public boolean onCreateActionMode(ActionMode mode, Menu menu) {
        if (this.mode == null) {
            this.mode = mode;
        }

        return true;
    }

    @Override
    public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
        buildMenu(mode, menu);
        return true;
    }

    protected void buildMenu(ActionMode mode, Menu menu) {
        MenuInflater inflater = mode.getMenuInflater();
        menu.clear();

        boolean isMyComment = bean.getUser().getId()
                .equals(GlobalContext.getInstance().getCurrentAccountId());
        boolean isCommentUnderMyStatus = bean.getStatus().getUser().getId()
                .equals(GlobalContext.getInstance().getCurrentAccountId());

        if (isMyComment || isCommentUnderMyStatus) {
            inflater.inflate(R.menu.contextual_menu_fragment_comment_listview_myself, menu);
        } else {
            inflater.inflate(R.menu.contextual_menu_fragment_comment_listview, menu);
        }

        mode.setTitle(bean.getUser().getScreen_name());

        MenuItem item = menu.findItem(R.id.menu_share);
        mShareActionProvider = (ShareActionProvider) item.getActionProvider();

        Intent sharingIntent = new Intent(Intent.ACTION_SEND);
        sharingIntent.setType("text/plain");
        sharingIntent.putExtra(Intent.EXTRA_TEXT, bean.getText());
        PackageManager packageManager = getActivity().getPackageManager();
        List<ResolveInfo> activities = packageManager.queryIntentActivities(sharingIntent, 0);
        boolean isIntentSafe = activities.size() > 0;
        if (isIntentSafe && mShareActionProvider != null) {
            mShareActionProvider.setShareIntent(sharingIntent);
        }
        mShareActionProvider.setOnShareTargetSelectedListener(
                new ShareActionProvider.OnShareTargetSelectedListener() {
                    @Override
                    public boolean onShareTargetSelected(ShareActionProvider source,
                            Intent intent) {
                        finish();
                        return false;
                    }
                });
    }

    @Override
    public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
        Intent intent;
        switch (item.getItemId()) {
            case R.id.menu_view:
                intent = new Intent(getActivity(), BrowserCommentActivity.class);
                intent.putExtra("comment", bean);
                intent.putExtra("token", GlobalContext.getInstance().getSpecialToken());
                getActivity().startActivity(intent);
                listView.clearChoices();
                mode.finish();
                break;
            case R.id.menu_comment:
                intent = new Intent(getActivity(), WriteReplyToCommentActivity.class);
                intent.putExtra("token", GlobalContext.getInstance().getSpecialToken());
                intent.putExtra("msg", bean);
                getActivity().startActivity(intent);
                listView.clearChoices();
                mode.finish();
                break;
            case R.id.menu_share:
                Intent sharingIntent = new Intent(Intent.ACTION_SEND);
                sharingIntent.setType("text/plain");
                sharingIntent.putExtra(Intent.EXTRA_TEXT, bean.getText());
                PackageManager packageManager = getActivity().getPackageManager();
                List<ResolveInfo> activities = packageManager
                        .queryIntentActivities(sharingIntent, 0);
                boolean isIntentSafe = activities.size() > 0;
                if (isIntentSafe && mShareActionProvider != null) {
                    mShareActionProvider.setShareIntent(sharingIntent);
                }
                mShareActionProvider.setOnShareTargetSelectedListener(
                        new ShareActionProvider.OnShareTargetSelectedListener() {
                            @Override
                            public boolean onShareTargetSelected(ShareActionProvider source,
                                    Intent intent) {
                                finish();
                                return false;
                            }
                        });
                break;
            case R.id.menu_copy:
                ClipboardManager cm = (ClipboardManager) getActivity()
                        .getSystemService(Context.CLIPBOARD_SERVICE);
                cm.setPrimaryClip(ClipData.newPlainText("sinaweibo", bean.getText()));
                Toast.makeText(getActivity(), getActivity().getString(R.string.copy_successfully),
                        Toast.LENGTH_SHORT).show();
                listView.clearChoices();
                mode.finish();
                break;
            case R.id.menu_remove:
                int position = listView.getCheckedItemPosition() - listView.getHeaderViewsCount();
                RemoveDialog dialog = new RemoveDialog(position);
                dialog.setTargetFragment(fragment, 0);
                dialog.show(fragment.getFragmentManager(), "");
                break;
        }

        return true;
    }

    @Override
    public void onDestroyActionMode(ActionMode mode) {
        this.mode = null;
        listView.clearChoices();
        adapter.notifyDataSetChanged();
        if (fragment instanceof AbstractTimeLineFragment) {
            ((AbstractTimeLineFragment) fragment).setActionMode(null);
        }

        if (fragment instanceof BrowserWeiboMsgFragment) {
            ((BrowserWeiboMsgFragment) fragment).setActionMode(null);
        }
    }
}