org.solovyev.android.messenger.DefaultMultiPaneManager.java Source code

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Here is the source code for org.solovyev.android.messenger.DefaultMultiPaneManager.java

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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.solovyev.android.messenger;

import android.app.Activity;
import android.app.Application;
import android.content.res.Configuration;
import android.support.v4.app.Fragment;
import android.view.View;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import org.solovyev.android.Views;
import org.solovyev.android.messenger.core.R;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

@Singleton
public class DefaultMultiPaneManager implements MultiPaneManager {

    @Nonnull
    private final Application context;

    @Inject
    public DefaultMultiPaneManager(@Nonnull Application context) {
        this.context = context;
    }

    @Override
    public boolean isDualPane(@Nonnull Activity activity) {
        if (activity.findViewById(R.id.content_second_pane) != null) {
            return true;
        } else {
            return false;
        }
    }

    @Override
    public boolean isTriplePane(@Nonnull Activity activity) {
        if (activity.findViewById(R.id.content_third_pane) != null) {
            return true;
        } else {
            return false;
        }
    }

    @Override
    public boolean isFirstPane(@Nullable View parent) {
        return parent != null && parent.getId() == R.id.content_first_pane;
    }

    @Override
    public boolean isSecondPane(@Nullable View parent) {
        return parent != null && parent.getId() == R.id.content_second_pane;
    }

    @Override
    public boolean isThirdPane(@Nullable View parent) {
        return parent != null && parent.getId() == R.id.content_third_pane;
    }

    @Override
    public void onCreatePane(@Nonnull Activity activity, @Nullable View paneParent, @Nonnull View pane) {
        if (this.isDualPane(activity)) {
            if (this.isFirstPane(paneParent)) {
                pane.setBackgroundDrawable(context.getResources().getDrawable(R.drawable.mpp_border_right));
                // border may add padding => set to zeros
                pane.setPadding(0, 0, 0, 0);
            } else if (this.isSecondPane(paneParent)) {
                // activity background should be used
            } else if (this.isTriplePane(activity) && this.isThirdPane(paneParent)) {
                if (Views.getScreenOrientation(activity) == Configuration.ORIENTATION_LANDSCAPE) {
                    pane.setBackgroundDrawable(context.getResources().getDrawable(R.drawable.mpp_border_left));
                }
            }
        }
    }

    @Override
    public void showTitle(@Nonnull SherlockFragmentActivity activity, @Nonnull Fragment pane,
            @Nullable CharSequence title) {
        final ActionBar actionBar = activity.getSupportActionBar();
        if (isDualPane(activity)) {
            actionBar.setTitle(title);
        } else if (pane.getId() == R.id.content_first_pane) {
            actionBar.setTitle(title);
        }
    }
}