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tasks/src-legacy/com/timsu/astrid/activities/TaskList.java

386 lines
13 KiB
Java

/*
* ASTRID: Android's Simple Task Recording Dashboard
*
* Copyright (c) 2009 Tim Su
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.timsu.astrid.activities;
import android.app.Activity;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.RemoteViews;
import android.widget.ViewFlipper;
import com.flurry.android.FlurryAgent;
import com.timsu.astrid.R;
import com.timsu.astrid.appwidget.AstridAppWidgetProvider;
import com.timsu.astrid.data.tag.TagController;
import com.timsu.astrid.data.task.TaskController;
import com.timsu.astrid.sync.Synchronizer;
import com.timsu.astrid.utilities.Constants;
import com.timsu.astrid.utilities.StartupReceiver;
import com.timsu.astrid.utilities.AstridUtilities.AstridUncaughtExceptionHandler;
/**
* TaskList is the main launched activity for Astrid. It uses a ViewFlipper
* to flip between child views, which in this case are the TaskListSubActivity
* and the TagListSubActivity.
*
* @author timsu
*/
public class TaskList extends Activity {
// constants for the different pages that we can display
public static final int AC_TASK_LIST = 0;
public static final int AC_TAG_LIST = 1;
public static final int AC_TASK_LIST_W_TAG = 2;
/** Bundle Key: activity code id of current activity */
private static final String LAST_ACTIVITY_TAG = "l";
/** Bundle Key: variables of current activity */
private static final String LAST_BUNDLE_TAG = "b";
/** Bundle Key: variables to pass to the sub-activity */
public static final String VARIABLES_TAG = "v";
/** Minimum distance a fling must cover to trigger motion */
private static final int FLING_DIST_THRESHOLD = 120;
/** Maximum distance in the other axis for a fling */
private static final int MAX_FLING_OTHER_AXIS = 300;
/** Minimum velocity a fling must have to trigger motion */
private static final int FLING_VEL_THRESHOLD = 200;
// view components
private ViewFlipper viewFlipper;
private GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
private SubActivity taskList;
private SubActivity tagList;
private SubActivity taskListWTag;
private Bundle lastActivityBundle;
// animations
private Animation mFadeInAnim;
private Animation mFadeOutAnim;
// data controllers
TaskController taskController;
TagController tagController;
// static variables
public static boolean synchronizeNow = false;
/** If set, the application will close when this activity gets focus */
static boolean shouldCloseInstance = false;
@Override
/** Called when loading up the activity for the first time */
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// set uncaught exception handler
Thread.setDefaultUncaughtExceptionHandler(new AstridUncaughtExceptionHandler());
// open controllers & perform application startup rituals
StartupReceiver.onStartupApplication(this);
shouldCloseInstance = false;
taskController = new TaskController(this);
taskController.open();
tagController = new TagController(this);
tagController.open();
setupUIComponents();
Bundle variables = new Bundle();
if(savedInstanceState != null && savedInstanceState.containsKey(LAST_ACTIVITY_TAG)) {
viewFlipper.setDisplayedChild(savedInstanceState.getInt(LAST_ACTIVITY_TAG));
Bundle lastBundle = savedInstanceState.getBundle(LAST_BUNDLE_TAG);
if(lastBundle != null)
variables.putAll(lastBundle);
}
if(getIntent().hasExtra(VARIABLES_TAG))
variables.putAll(getIntent().getBundleExtra(VARIABLES_TAG));
getCurrentSubActivity().onDisplay(variables);
// sync now if requested
if(synchronizeNow) {
synchronizeNow = false;
Synchronizer sync = new Synchronizer(false);
sync.setTagController(tagController);
sync.setTaskController(taskController);
sync.synchronize(this, null);
}
// if we have no filter tag, we're not on the last task
if(getCurrentSubActivity() == taskListWTag &&
((TaskListSubActivity)taskListWTag).getFilterTag() == null) {
switchToActivity(AC_TASK_LIST, null);
}
}
@Override
protected void onStart() {
super.onStart();
// set up flurry
FlurryAgent.onStartSession(this, Constants.FLURRY_KEY);
}
@Override
protected void onStop() {
super.onStop();
updateWidget();
FlurryAgent.onEndSession(this);
}
private void updateWidget()
{
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
RemoteViews views = AstridAppWidgetProvider.UpdateService.buildUpdate(this);
ComponentName widgetName = new ComponentName(this, AstridAppWidgetProvider.class);
appWidgetManager.updateAppWidget(widgetName, views);
}
/** Set up user interface components */
private void setupUIComponents() {
gestureDetector = new GestureDetector(new AstridGestureDetector());
viewFlipper = (ViewFlipper)findViewById(R.id.main);
taskList = new TaskListSubActivity(this, AC_TASK_LIST,
findViewById(R.id.tasklist_layout));
tagList = new TagListSubActivity(this, AC_TAG_LIST,
findViewById(R.id.taglist_layout));
taskListWTag = new TaskListSubActivity(this, AC_TASK_LIST_W_TAG,
findViewById(R.id.tasklistwtag_layout));
mFadeInAnim = AnimationUtils.loadAnimation(this, R.anim.fade_in);
mFadeOutAnim = AnimationUtils.loadAnimation(this, R.anim.fade_out);
viewFlipper.setInAnimation(mFadeInAnim);
viewFlipper.setOutAnimation(mFadeOutAnim);
gestureListener = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
if (gestureDetector.onTouchEvent(event)) {
return true;
}
return false;
}
};
}
/** Gesture detector switches between sub-activities */
class AstridGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
try {
if(Math.abs(e1.getY() - e2.getY()) > MAX_FLING_OTHER_AXIS)
return false;
Log.i("astrid", "Got fling. X: " + (e2.getX() - e1.getX()) +
", vel: " + velocityX + " Y: " + (e2.getY() - e1.getY()));
// flick R to L
if(e1.getX() - e2.getX() > FLING_DIST_THRESHOLD &&
Math.abs(velocityX) > FLING_VEL_THRESHOLD) {
switch(getCurrentSubActivity().getActivityCode()) {
case AC_TASK_LIST:
switchToActivity(AC_TAG_LIST, null);
return true;
default:
return false;
}
}
// flick L to R
else if(e2.getX() - e1.getX() > FLING_DIST_THRESHOLD &&
Math.abs(velocityX) > FLING_VEL_THRESHOLD) {
switch(getCurrentSubActivity().getActivityCode()) {
case AC_TASK_LIST_W_TAG:
switchToActivity(AC_TAG_LIST, null);
return true;
case AC_TAG_LIST:
switchToActivity(AC_TASK_LIST, null);
return true;
default:
return false;
}
}
} catch (Exception e) {
// ignore!
}
return false;
}
}
/* ======================================================================
* ==================================================== subactivity stuff
* ====================================================================== */
/** Switches to another activity, with appropriate animation */
void switchToActivity(int activity, Bundle variables) {
closeOptionsMenu();
// and flip to them
switch(getCurrentSubActivity().getActivityCode()) {
case AC_TASK_LIST:
switch(activity) {
case AC_TAG_LIST:
viewFlipper.showNext();
break;
case AC_TASK_LIST_W_TAG:
viewFlipper.setDisplayedChild(taskListWTag.code);
}
break;
case AC_TAG_LIST:
switch(activity) {
case AC_TASK_LIST:
viewFlipper.showPrevious();
break;
case AC_TASK_LIST_W_TAG:
viewFlipper.showNext();
break;
}
break;
case AC_TASK_LIST_W_TAG:
switch(activity) {
case AC_TAG_LIST:
viewFlipper.showPrevious();
break;
case AC_TASK_LIST:
viewFlipper.setDisplayedChild(taskList.code);
}
break;
}
// initialize the components
switch(activity) {
case AC_TASK_LIST:
taskList.onDisplay(variables);
break;
case AC_TAG_LIST:
tagList.onDisplay(variables);
break;
case AC_TASK_LIST_W_TAG:
taskListWTag.onDisplay(variables);
}
lastActivityBundle = variables;
}
/** Helper method gets the currently visible subactivity */
private SubActivity getCurrentSubActivity() {
return (SubActivity)viewFlipper.getCurrentView().getTag();
}
/* ======================================================================
* ======================================================= event handling
* ====================================================================== */
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(LAST_ACTIVITY_TAG, getCurrentSubActivity().code);
outState.putBundle(LAST_BUNDLE_TAG, lastActivityBundle);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(getCurrentSubActivity().onKeyDown(keyCode, event))
return true;
else
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear();
return getCurrentSubActivity().onPrepareOptionsMenu(menu);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == Constants.RESULT_GO_HOME) {
switchToActivity(AC_TASK_LIST, null);
} else
getCurrentSubActivity().onActivityResult(requestCode, resultCode, data);
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
if(hasFocus && shouldCloseInstance) { // user wants to quit
finish();
} else
getCurrentSubActivity().onWindowFocusChanged(hasFocus);
}
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
if(getCurrentSubActivity().onMenuItemSelected(featureId, item))
return true;
else
return super.onMenuItemSelected(featureId, item);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (gestureDetector.onTouchEvent(event))
return true;
else
return false;
}
@Override
public Object onRetainNonConfigurationInstance() {
return getCurrentSubActivity().onRetainNonConfigurationInstance();
}
@Override
protected void onDestroy() {
super.onDestroy();
taskController.close();
tagController.close();
}
}