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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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 net.hoopajoo.android.SoftKeys;
import java.util.List;
import android.app.Activity;
import android.app.ActivityManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
public class RecentAppsChunk {
/// for recent apps
//private static final boolean DBG_FORCE_EMPTY_LIST = false;
private static final int NUM_BUTTONS = 6;
private static final int MAX_RECENT_TASKS = NUM_BUTTONS * 2; // allow for some discards
final View[] mButtons = new View[NUM_BUTTONS];
private int mIconSize;
private Activity context;
public RecentAppsChunk( Activity a ) {
context = a;
// recent apps buttons
OnClickListener press = new OnClickListener() {
public void onClick(View v) {
for (View b : mButtons) {
if (b == v) {
// prepare a launch intent and send it
Intent intent = (Intent)b.getTag();
intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY);
getContext().startActivity(intent);
}
}
//dismiss();
}
};
int[] rbuttons = { R.id.recentbutton0,
R.id.recentbutton1,
R.id.recentbutton2,
R.id.recentbutton3,
R.id.recentbutton4,
R.id.recentbutton5
};
for( int i = 0; i < NUM_BUTTONS; i++ ) {
mButtons[ i ] = context.findViewById( rbuttons[ i ] );
mButtons[ i ].setOnClickListener( press );
}
final Resources resources = context.getResources();
mIconSize = (int) resources.getDimension(android.R.dimen.app_icon_size);
}
// basically from the recent apps dialog
private Context getContext() {
// this emulates some of the stuff that happened in the constructor, and also
// the getcontext allowing reloadButtons to be included without modification`
return( context );
}
public void reloadButtons() {
final Context context = getContext();
final PackageManager pm = context.getPackageManager();
final ActivityManager am = (ActivityManager)
context.getSystemService(Context.ACTIVITY_SERVICE);
final List<ActivityManager.RecentTaskInfo> recentTasks =
am.getRecentTasks(MAX_RECENT_TASKS, 0);
ResolveInfo homeInfo = pm.resolveActivity(
new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME),
0);
// Performance note: Our android performance guide says to prefer Iterator when
// using a List class, but because we know that getRecentTasks() always returns
// an ArrayList<>, we'll use a simple index instead.
int button = 0;
int numTasks = recentTasks.size();
for (int i = 0; i < numTasks && (button < NUM_BUTTONS); ++i) {
final ActivityManager.RecentTaskInfo info = recentTasks.get(i);
// for debug purposes only, disallow first result to create empty lists
//if (DBG_FORCE_EMPTY_LIST && (i == 0)) continue;
Intent intent = new Intent(info.baseIntent);
if (info.origActivity != null) {
intent.setComponent(info.origActivity);
}
// Skip the current home activity.
if (homeInfo != null) {
if (homeInfo.activityInfo.packageName.equals(
intent.getComponent().getPackageName())
&& homeInfo.activityInfo.name.equals(
intent.getComponent().getClassName())) {
continue;
}
}
intent.setFlags((intent.getFlags()&~Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED)
| Intent.FLAG_ACTIVITY_NEW_TASK);
final ResolveInfo resolveInfo = pm.resolveActivity(intent, 0);
if (resolveInfo != null) {
final ActivityInfo activityInfo = resolveInfo.activityInfo;
final String title = activityInfo.loadLabel(pm).toString();
final Drawable icon = activityInfo.loadIcon(pm);
if (title != null && title.length() > 0 && icon != null) {
final View b = mButtons[button];
setButtonAppearance(b, title, icon);
b.setTag(intent);
b.setVisibility(View.VISIBLE);
b.setPressed(false);
b.clearFocus();
++button;
}
}
}
// handle the case of "no icons to show"
//mNoAppsText.setVisibility((button == 0) ? View.VISIBLE : View.GONE);
// hide the rest
for ( ; button < NUM_BUTTONS; ++button) {
mButtons[button].setVisibility(View.GONE);
}
}
/**
* Adjust appearance of each icon-button
*/
private void setButtonAppearance(View theButton, final String theTitle, final Drawable icon) {
TextView tv = (TextView) theButton;
tv.setText(theTitle);
if (icon != null) {
icon.setBounds(0, 0, mIconSize, mIconSize);
}
tv.setCompoundDrawables(null, icon, null, null);
}
}
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