Automated import from //branches/master/...@141652,141652
This commit is contained in:
Jeffrey Sharkey
committed by
The Android Open Source Project
The Android Open Source Project
parent
18f3afb9cd
commit
173545e63b
@@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (C) 2009 Google Inc.
|
||||
* Copyright (C) 2009 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.
|
||||
@@ -16,43 +16,395 @@
|
||||
|
||||
package com.android.settings;
|
||||
|
||||
import android.app.LauncherActivity;
|
||||
import com.android.internal.app.AlertActivity;
|
||||
import com.android.internal.app.AlertController;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.content.DialogInterface;
|
||||
import android.content.Intent;
|
||||
import android.content.Intent.ShortcutIconResource;
|
||||
import android.content.pm.PackageManager;
|
||||
import android.content.pm.ResolveInfo;
|
||||
import android.content.pm.PackageManager.NameNotFoundException;
|
||||
import android.content.res.Resources;
|
||||
import android.graphics.Bitmap;
|
||||
import android.graphics.Canvas;
|
||||
import android.graphics.Paint;
|
||||
import android.graphics.PaintFlagsDrawFilter;
|
||||
import android.graphics.PixelFormat;
|
||||
import android.graphics.Rect;
|
||||
import android.graphics.drawable.BitmapDrawable;
|
||||
import android.graphics.drawable.Drawable;
|
||||
import android.graphics.drawable.PaintDrawable;
|
||||
import android.os.Bundle;
|
||||
import android.os.Parcelable;
|
||||
import android.view.Gravity;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.widget.ListView;
|
||||
import android.view.ViewGroup;
|
||||
import android.view.WindowManager;
|
||||
import android.widget.BaseAdapter;
|
||||
import android.widget.TextView;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Displays a list of all activities matching the incoming {@link Intent.EXTRA_INTENT}
|
||||
* query, along with any applicable icons.
|
||||
* Displays a list of all activities matching the incoming
|
||||
* {@link Intent#EXTRA_INTENT} query, along with any injected items.
|
||||
*/
|
||||
public class ActivityPicker extends LauncherActivity {
|
||||
public class ActivityPicker extends AlertActivity implements
|
||||
DialogInterface.OnClickListener, DialogInterface.OnCancelListener {
|
||||
|
||||
/**
|
||||
* Adapter of items that are displayed in this dialog.
|
||||
*/
|
||||
private PickAdapter mAdapter;
|
||||
|
||||
/**
|
||||
* Base {@link Intent} used when building list.
|
||||
*/
|
||||
private Intent mBaseIntent;
|
||||
|
||||
@Override
|
||||
protected Intent getTargetIntent() {
|
||||
Intent intent = this.getIntent();
|
||||
Intent targetIntent = new Intent(Intent.ACTION_MAIN, null);
|
||||
targetIntent.addCategory(Intent.CATEGORY_DEFAULT);
|
||||
protected void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
|
||||
// Use a custom title for this dialog, if provided
|
||||
if (intent.hasExtra(Intent.EXTRA_TITLE)) {
|
||||
String title = intent.getStringExtra(Intent.EXTRA_TITLE);
|
||||
setTitle(title);
|
||||
}
|
||||
final Intent intent = getIntent();
|
||||
|
||||
// Read base intent from extras, otherwise assume default
|
||||
Parcelable parcel = intent.getParcelableExtra(Intent.EXTRA_INTENT);
|
||||
if (parcel instanceof Intent) {
|
||||
targetIntent = (Intent) parcel;
|
||||
mBaseIntent = (Intent) parcel;
|
||||
} else {
|
||||
mBaseIntent = new Intent(Intent.ACTION_MAIN, null);
|
||||
mBaseIntent.addCategory(Intent.CATEGORY_DEFAULT);
|
||||
}
|
||||
|
||||
// Create dialog parameters
|
||||
AlertController.AlertParams params = mAlertParams;
|
||||
params.mOnClickListener = this;
|
||||
params.mOnCancelListener = this;
|
||||
|
||||
// Use custom title if provided, otherwise default window title
|
||||
if (intent.hasExtra(Intent.EXTRA_TITLE)) {
|
||||
params.mTitle = intent.getStringExtra(Intent.EXTRA_TITLE);
|
||||
} else {
|
||||
params.mTitle = getTitle();
|
||||
}
|
||||
|
||||
return targetIntent;
|
||||
}
|
||||
// Build list adapter of pickable items
|
||||
List<PickAdapter.Item> items = getItems();
|
||||
mAdapter = new PickAdapter(this, items);
|
||||
params.mAdapter = mAdapter;
|
||||
|
||||
@Override
|
||||
protected void onListItemClick(ListView l, View v, int position, long id) {
|
||||
Intent intent = intentForPosition(position);
|
||||
setResult(RESULT_OK, intent);
|
||||
setupAlert();
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle clicking of dialog item by passing back
|
||||
* {@link #getIntentForPosition(int)} in {@link #setResult(int, Intent)}.
|
||||
*/
|
||||
public void onClick(DialogInterface dialog, int which) {
|
||||
Intent intent = getIntentForPosition(which);
|
||||
setResult(Activity.RESULT_OK, intent);
|
||||
finish();
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle canceled dialog by passing back {@link Activity#RESULT_CANCELED}.
|
||||
*/
|
||||
public void onCancel(DialogInterface dialog) {
|
||||
setResult(Activity.RESULT_CANCELED);
|
||||
finish();
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the specific {@link Intent} for a given list position. Convenience
|
||||
* method that calls through to {@link PickAdapter.Item#getIntent(Intent)}.
|
||||
*/
|
||||
protected Intent getIntentForPosition(int position) {
|
||||
PickAdapter.Item item = (PickAdapter.Item) mAdapter.getItem(position);
|
||||
return item.getIntent(mBaseIntent);
|
||||
}
|
||||
|
||||
/**
|
||||
* Build and return list of items to be shown in dialog. Default
|
||||
* implementation mixes activities matching {@link #mBaseIntent} from
|
||||
* {@link #putIntentItems(Intent, List)} with any injected items from
|
||||
* {@link Intent#EXTRA_SHORTCUT_NAME}. Override this method in subclasses to
|
||||
* change the items shown.
|
||||
*/
|
||||
protected List<PickAdapter.Item> getItems() {
|
||||
PackageManager packageManager = getPackageManager();
|
||||
List<PickAdapter.Item> items = new ArrayList<PickAdapter.Item>();
|
||||
|
||||
// Add any injected pick items
|
||||
final Intent intent = getIntent();
|
||||
ArrayList<String> labels =
|
||||
intent.getStringArrayListExtra(Intent.EXTRA_SHORTCUT_NAME);
|
||||
ArrayList<ShortcutIconResource> icons =
|
||||
intent.getParcelableArrayListExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE);
|
||||
|
||||
if (labels != null && icons != null && labels.size() == icons.size()) {
|
||||
for (int i = 0; i < labels.size(); i++) {
|
||||
String label = labels.get(i);
|
||||
Drawable icon = null;
|
||||
|
||||
try {
|
||||
// Try loading icon from requested package
|
||||
ShortcutIconResource iconResource = icons.get(i);
|
||||
Resources res = packageManager.getResourcesForApplication(
|
||||
iconResource.packageName);
|
||||
icon = res.getDrawable(res.getIdentifier(
|
||||
iconResource.resourceName, null, null));
|
||||
} catch (NameNotFoundException e) {
|
||||
}
|
||||
|
||||
items.add(new PickAdapter.Item(this, label, icon));
|
||||
}
|
||||
}
|
||||
|
||||
// Add any intent items if base was given
|
||||
if (mBaseIntent != null) {
|
||||
putIntentItems(mBaseIntent, items);
|
||||
}
|
||||
|
||||
return items;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fill the given list with any activities matching the base {@link Intent}.
|
||||
*/
|
||||
protected void putIntentItems(Intent baseIntent, List<PickAdapter.Item> items) {
|
||||
PackageManager packageManager = getPackageManager();
|
||||
List<ResolveInfo> list = packageManager.queryIntentActivities(baseIntent,
|
||||
0 /* no flags */);
|
||||
Collections.sort(list, new ResolveInfo.DisplayNameComparator(packageManager));
|
||||
|
||||
final int listSize = list.size();
|
||||
for (int i = 0; i < listSize; i++) {
|
||||
ResolveInfo resolveInfo = list.get(i);
|
||||
items.add(new PickAdapter.Item(this, packageManager, resolveInfo));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Adapter which shows the set of activities that can be performed for a
|
||||
* given {@link Intent}.
|
||||
*/
|
||||
protected static class PickAdapter extends BaseAdapter {
|
||||
|
||||
/**
|
||||
* Item that appears in a {@link PickAdapter} list.
|
||||
*/
|
||||
public static class Item {
|
||||
protected static IconResizer sResizer;
|
||||
|
||||
protected IconResizer getResizer(Context context) {
|
||||
if (sResizer == null) {
|
||||
sResizer = new IconResizer(context);
|
||||
}
|
||||
return sResizer;
|
||||
}
|
||||
|
||||
CharSequence label;
|
||||
Drawable icon;
|
||||
String packageName;
|
||||
String className;
|
||||
Bundle extras;
|
||||
|
||||
/**
|
||||
* Create a list item from given label and icon.
|
||||
*/
|
||||
Item(Context context, CharSequence label, Drawable icon) {
|
||||
this.label = label;
|
||||
this.icon = getResizer(context).createIconThumbnail(icon);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a list item and fill it with details from the given
|
||||
* {@link ResolveInfo} object.
|
||||
*/
|
||||
Item(Context context, PackageManager pm, ResolveInfo resolveInfo) {
|
||||
label = resolveInfo.loadLabel(pm);
|
||||
if (label == null && resolveInfo.activityInfo != null) {
|
||||
label = resolveInfo.activityInfo.name;
|
||||
}
|
||||
|
||||
icon = getResizer(context).createIconThumbnail(resolveInfo.loadIcon(pm));
|
||||
packageName = resolveInfo.activityInfo.applicationInfo.packageName;
|
||||
className = resolveInfo.activityInfo.name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the {@link Intent} described by this item. If this item
|
||||
* can't create a valid {@link ComponentName}, it will return
|
||||
* {@link Intent#ACTION_CREATE_SHORTCUT} filled with the item label.
|
||||
*/
|
||||
Intent getIntent(Intent baseIntent) {
|
||||
Intent intent = new Intent(baseIntent);
|
||||
if (packageName != null && className != null) {
|
||||
// Valid package and class, so fill details as normal intent
|
||||
intent.setClassName(packageName, className);
|
||||
if (extras != null) {
|
||||
intent.putExtras(extras);
|
||||
}
|
||||
} else {
|
||||
// No valid package or class, so treat as shortcut with label
|
||||
intent.setAction(Intent.ACTION_CREATE_SHORTCUT);
|
||||
intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, label);
|
||||
}
|
||||
return intent;
|
||||
}
|
||||
}
|
||||
|
||||
private final LayoutInflater mInflater;
|
||||
|
||||
private List<Item> mItems;
|
||||
private int mLayoutRes = R.layout.pick_item;
|
||||
|
||||
/**
|
||||
* Create an adapter for the given items.
|
||||
*/
|
||||
public PickAdapter(Context context, List<Item> items) {
|
||||
mInflater = (LayoutInflater)
|
||||
context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
|
||||
mItems = items;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
public int getCount() {
|
||||
return mItems.size();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
public Object getItem(int position) {
|
||||
return mItems.get(position);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
public long getItemId(int position) {
|
||||
return position;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
public View getView(int position, View convertView, ViewGroup parent) {
|
||||
if (convertView == null) {
|
||||
convertView = mInflater.inflate(mLayoutRes, parent, false);
|
||||
}
|
||||
|
||||
Item item = (Item) getItem(position);
|
||||
TextView textView = (TextView) convertView;
|
||||
textView.setText(item.label);
|
||||
textView.setCompoundDrawablesWithIntrinsicBounds(item.icon, null, null, null);
|
||||
|
||||
return convertView;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Utility class to resize icons to match default icon size. Code is mostly
|
||||
* borrowed from Launcher.
|
||||
*/
|
||||
private static class IconResizer {
|
||||
private int mIconWidth = -1;
|
||||
private int mIconHeight = -1;
|
||||
|
||||
private final Rect mOldBounds = new Rect();
|
||||
private Canvas mCanvas = new Canvas();
|
||||
|
||||
public IconResizer(Context context) {
|
||||
mCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG,
|
||||
Paint.FILTER_BITMAP_FLAG));
|
||||
|
||||
final Resources resources = context.getResources();
|
||||
mIconWidth = mIconHeight = (int) resources.getDimension(
|
||||
android.R.dimen.app_icon_size);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a Drawable representing the thumbnail of the specified Drawable.
|
||||
* The size of the thumbnail is defined by the dimension
|
||||
* android.R.dimen.launcher_application_icon_size.
|
||||
*
|
||||
* This method is not thread-safe and should be invoked on the UI thread only.
|
||||
*
|
||||
* @param icon The icon to get a thumbnail of.
|
||||
*
|
||||
* @return A thumbnail for the specified icon or the icon itself if the
|
||||
* thumbnail could not be created.
|
||||
*/
|
||||
public Drawable createIconThumbnail(Drawable icon) {
|
||||
int width = mIconWidth;
|
||||
int height = mIconHeight;
|
||||
|
||||
if (icon == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
final int iconWidth = icon.getIntrinsicWidth();
|
||||
final int iconHeight = icon.getIntrinsicHeight();
|
||||
|
||||
if (icon instanceof PaintDrawable) {
|
||||
PaintDrawable painter = (PaintDrawable) icon;
|
||||
painter.setIntrinsicWidth(width);
|
||||
painter.setIntrinsicHeight(height);
|
||||
}
|
||||
|
||||
if (width > 0 && height > 0) {
|
||||
if (width < iconWidth || height < iconHeight) {
|
||||
final float ratio = (float) iconWidth / iconHeight;
|
||||
|
||||
if (iconWidth > iconHeight) {
|
||||
height = (int) (width / ratio);
|
||||
} else if (iconHeight > iconWidth) {
|
||||
width = (int) (height * ratio);
|
||||
}
|
||||
|
||||
final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ?
|
||||
Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
|
||||
final Bitmap thumb = Bitmap.createBitmap(mIconWidth, mIconHeight, c);
|
||||
final Canvas canvas = mCanvas;
|
||||
canvas.setBitmap(thumb);
|
||||
// Copy the old bounds to restore them later
|
||||
// If we were to do oldBounds = icon.getBounds(),
|
||||
// the call to setBounds() that follows would
|
||||
// change the same instance and we would lose the
|
||||
// old bounds
|
||||
mOldBounds.set(icon.getBounds());
|
||||
final int x = (mIconWidth - width) / 2;
|
||||
final int y = (mIconHeight - height) / 2;
|
||||
icon.setBounds(x, y, x + width, y + height);
|
||||
icon.draw(canvas);
|
||||
icon.setBounds(mOldBounds);
|
||||
icon = new BitmapDrawable(thumb);
|
||||
} else if (iconWidth < width && iconHeight < height) {
|
||||
final Bitmap.Config c = Bitmap.Config.ARGB_8888;
|
||||
final Bitmap thumb = Bitmap.createBitmap(mIconWidth, mIconHeight, c);
|
||||
final Canvas canvas = mCanvas;
|
||||
canvas.setBitmap(thumb);
|
||||
mOldBounds.set(icon.getBounds());
|
||||
final int x = (width - iconWidth) / 2;
|
||||
final int y = (height - iconHeight) / 2;
|
||||
icon.setBounds(x, y, x + iconWidth, y + iconHeight);
|
||||
icon.draw(canvas);
|
||||
icon.setBounds(mOldBounds);
|
||||
icon = new BitmapDrawable(thumb);
|
||||
}
|
||||
}
|
||||
|
||||
return icon;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user