EmbeddedDialogFragment.java

package com.thredup.android.fragment;

import android.content.DialogInterface;
import android.content.DialogInterface.OnKeyListener;
import android.graphics.Typeface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.content.ContextCompat;
import android.support.v7.widget.Toolbar;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.StyleSpan;
import android.view.KeyEvent;
import android.view.View;
import android.widget.LinearLayout;

import com.thredup.android.R;
import com.thredup.android.domain.Constants;
import com.thredup.android.layout.CustomTypefaceSpan;
import com.thredup.android.util.ThredUpUtil;

public class EmbeddedDialogFragment extends DialogFragment {

    private Toolbar mToolbar;
  
    public static EmbeddedDialogFragment newInstance() {
        EmbeddedDialogFragment frag = new EmbeddedDialogFragment();
        return frag;
    }

    @Override
    public int getLayoutResources() {
        return R.layout.embedded_dialog_layout;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setStyle(android.support.v4.app.DialogFragment.STYLE_NO_TITLE, android.R.style.Theme_DeviceDefault_Light_Dialog);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        mToolbar = (Toolbar) getView().findViewById(R.id.toolbar);
        mToolbar = ThredUpUtil.makeWhiteToolbar(getContext(), mToolbar);
        mToolbar.hideOverflowMenu();
        mToolbar.setTitleTextColor(ContextCompat.getColor(getContext(), R.color.black));
        mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onBackPressed();
            }
        });

        if (savedInstanceState != null && TextUtils.isEmpty(savedInstanceState.getString("current_fragment"))) {
            String title = savedInstanceState.getString("current_fragment");
            mToolbar.setTitle(title);
            mToolbar.setNavigationIcon(R.drawable.ic_nav_back_green_selector);
        } else {
            String title = getString(R.string.account_info);
            mToolbar.setTitle(title);
            mToolbar.setNavigationIcon(R.drawable.ic_close_selector);

            BaseDialogFragment fragment = AccountInfoFragment.newInstance();
            FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
            transaction.replace(R.id.fragment_content, fragment, "account_info");
            transaction.commit();
        }

        if (getDialog() != null) {
            getDialog().setOnKeyListener(new OnKeyListener() {
                @Override
                public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
                    if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
                        onBackPressed();
                    }
                    return true;
                }
            });
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        getDialog().getWindow()
                   .setLayout(getResources().getDimensionPixelSize(R.dimen.acct_dialog_width),
                              getResources().getDimensionPixelSize(R.dimen.acct_dialog_height));
    }

    public void replaceFragment(DialogFragment replacementFragment, String tag, String pageTitle) {
        FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
        transaction.setCustomAnimations(R.anim.slide_left_from_right, android.R.anim.fade_out, android.R.anim.fade_in,
                                        R.anim.slide_out_right_from_left);
        transaction.replace(R.id.fragment_content, replacementFragment, tag);
        transaction.addToBackStack(tag);
        transaction.commit();
        if (!TextUtils.isEmpty(pageTitle)) {
            mToolbar.setTitle(pageTitle.toString());
            mToolbar.setNavigationIcon(R.drawable.ic_nav_back_green_selector);
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        FragmentManager fragmentManager = getChildFragmentManager();
        String fragmentName;
        if (fragmentManager.getBackStackEntryCount() >= 1) {
            fragmentName = fragmentManager.getBackStackEntryAt(fragmentManager.getBackStackEntryCount() - 1).getName();
            outState.putString("current_fragment", fragmentName);
        }
    }

    public void onBackPressed() {
        if (getChildFragmentManager().popBackStackImmediate()) {
            BaseDialogFragment bdf = (BaseDialogFragment) getChildFragmentManager().getFragments()
                                                                                   .get(getChildFragmentManager().getFragments().size() - 1);
            String title = getString(R.string.account_info);
            if (bdf == null && getChildFragmentManager().findFragmentByTag(getString(R.string.order_history)) != null
                    && getChildFragmentManager().findFragmentByTag(getString(R.string.order_history)).isVisible()) {
                title = getString(R.string.order_history);
            }
            if (bdf != null) {
                title = getNewTitle(bdf.getTitle());
            }
            mToolbar.setTitle(title);
            if (title.equals(getString(R.string.account_info))) {
                mToolbar.setNavigationIcon(R.drawable.ic_close_selector);
            }
        } else {
            EmbeddedDialogFragment.this.dismiss();
        }
    }

    private String getNewTitle(String title) {
        // Maps the old title to the new title based on the structure of the view heirarchy
    }
}