org.dmfs.tasks.ViewTaskActivity.java Source code

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Here is the source code for org.dmfs.tasks.ViewTaskActivity.java

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/*
 * Copyright (C) 2013 Marten Gajda <marten@dmfs.org>
 *
 * 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.dmfs.tasks;

import org.dmfs.tasks.model.ContentSet;
import org.dmfs.tasks.utils.AppCompatActivity;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build.VERSION;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.view.MenuItem;
import android.view.Window;
import android.view.WindowManager;

/**
 * An activity representing a single Task detail screen. This activity is only used on handset devices. On tablet-size devices, item details are presented
 * side-by-side with a list of items in a {@link TaskListActivity}.
 * <p>
 * This activity is mostly just a 'shell' activity containing nothing more than a {@link ViewTaskFragment}.
 * </p>
 */
public class ViewTaskActivity extends AppCompatActivity implements ViewTaskFragment.Callback {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_task_detail);

        // If should be in two-pane mode, finish to return to main activity
        if (getResources().getBoolean(R.bool.has_two_panes)) {

            Intent taskListIntent = new Intent(this, TaskListActivity.class);
            taskListIntent.putExtra(TaskListActivity.EXTRA_FORCE_LIST_SELECTION,
                    getIntent().getBooleanExtra(TaskListActivity.EXTRA_FORCE_LIST_SELECTION, false));
            taskListIntent.putExtra(TaskListActivity.EXTRA_DISPLAY_TASK, true);
            taskListIntent.setData(getIntent().getData());
            startActivity(taskListIntent);
            finish();
            return;
        }

        if (savedInstanceState == null) {
            ViewTaskFragment fragment = ViewTaskFragment.newInstance(getIntent().getData());
            getSupportFragmentManager().beginTransaction().add(R.id.task_detail_container, fragment).commit();
        }
    }

    @Override
    public void onAttachFragment(Fragment fragment) {
        if (fragment instanceof ViewTaskFragment) {
            final ViewTaskFragment detailFragment = (ViewTaskFragment) fragment;
            new Handler().post(new Runnable() {
                @Override
                public void run() {
                    detailFragment.setupToolbarAsActionbar(ViewTaskActivity.this);
                }
            });
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            Intent upIntent = new Intent(this, TaskListActivity.class);
            // provision the task uri, so the main activity will be opened with the right task selected
            upIntent.setData(getIntent().getData());
            upIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(upIntent);
            finish();
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onEditTask(Uri taskUri, ContentSet data) {
        Intent editTaskIntent = new Intent(Intent.ACTION_EDIT);
        editTaskIntent.setData(taskUri);
        if (data != null) {
            editTaskIntent.putExtra(EditTaskActivity.EXTRA_DATA_CONTENT_SET, data);
        }
        startActivity(editTaskIntent);
    }

    @Override
    public void onDelete(Uri taskUri) {
        /*
         * The task we're showing has been deleted, just finish.
         */
        finish();
    }

    private int darkenColor(int color) {
        float[] hsv = new float[3];
        Color.colorToHSV(color, hsv);
        hsv[2] = hsv[2] * 0.75f;
        color = Color.HSVToColor(hsv);
        return color;
    }

    @SuppressLint("NewApi")
    @Override
    public void updateColor(int color) {

        if (VERSION.SDK_INT >= 21) {
            Window window = getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(darkenColor(color));
        }
    }

}