package com.android.launcher3;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.content.res.XmlResourceParser;
import android.graphics.Canvas;
import android.graphics.drawable.NinePatchDrawable;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.os.AsyncTask;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.AbsoluteSizeSpan;
import android.text.style.SuperscriptSpan;
import android.util.AttributeSet;
import android.util.Xml;
import android.view.View;
import com.android.internal.util.XmlUtils;
import com.android.launcher3.R;
import com.mediatek.launcher3.ext.LauncherLog;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
class UnreadSupportShortcut {
public UnreadSupportShortcut(String pkgName, String clsName, String keyString, int type) {
mComponent = new ComponentName(pkgName, clsName);
mKey = keyString;
mShortcutType = type;
mUnreadNum = 0;
}
ComponentName mComponent;
String mKey;
int mShortcutType;
int mUnreadNum;
@Override
public String toString() {
return "{UnreadSupportShortcut[" + mComponent + "], key = " + mKey + ",type = "
+ mShortcutType + ",unreadNum = " + mUnreadNum + "}";
}
}
/**
* M: This class is a util class, implemented to do the following two things,:
*
* 1.Read config xml to get the shortcuts which support displaying unread number,
* then get the initial value of the unread number of each component and update
* shortcuts and folders through callbacks implemented in Launcher.
*
* 2. Receive unread broadcast sent by application, update shortcuts and folders in
* workspace, hot seat and update application icons in app customize paged view.
*/
public class MTKUnreadLoader extends BroadcastReceiver {
private static final String TAG = "MTKUnreadLoader";
private static final String TAG_UNREADSHORTCUTS = "unreadshortcuts";
private static final ArrayList<UnreadSupportShortcut> UNREAD_SUPPORT_SHORTCUTS = new ArrayList<UnreadSupportShortcut>();
private static int sUnreadSupportShortcutsNum = 0;
private static final Object LOG_LOCK = new Object();
private Context mContext;
private WeakReference<UnreadCallbacks> mCallbacks;
public MTKUnreadLoader(Context context) {
mContext = context;
}
@Override
public void onReceive(final Context context, final Intent intent) {
final String action = intent.getAction();
if (Intent.MTK_ACTION_UNREAD_CHANGED.equals(action)) {
final ComponentName componentName = (ComponentName) intent
.getExtra(Intent.MTK_EXTRA_UNREAD_COMPONENT);
final int unreadNum = intent.getIntExtra(Intent.MTK_EXTRA_UNREAD_NUMBER, -1);
if (LauncherLog.DEBUG) {
LauncherLog.d(TAG, "Receive unread broadcast: componentName = " + componentName
+ ", unreadNum = " + unreadNum + ", mCallbacks = " + mCallbacks
+ getUnreadSupportShortcutInfo());
}
if (mCallbacks != null && componentName != null && unreadNum != -1) {
final int index = supportUnreadFeature(componentName);
if (index >= 0) {
boolean ret = setUnreadNumberAt(index, unreadNum);
if (ret) {
final UnreadCallbacks callbacks = mCallbacks.get();
if (callbacks != null) {
callbacks.bindComponentUnreadChanged(componentName, unreadNum);
}
}
}
}
}
}
/**
* Set this as the current Launcher activity object for the loader.
*/
public void initialize(UnreadCallbacks callbacks) {
mCallbacks = new WeakReference<UnreadCallbacks>(callbacks);
if (LauncherLog.DEBUG_UNREAD) {
LauncherLog.d(TAG, "initialize: callbacks = " + callbacks + ", mCallbacks = " + mCallbacks);
}
}
/**
* Load and initialize unread shortcuts.
*
* @param context
*/
void loadAndInitUnreadShortcuts() {
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... unused) {
loadUnreadSupportShortcuts();
initUnreadNumberFromSystem();
return null;
}
@Override
protected void onPostExecute(final Void result) {
if (mCallbacks != null) {
UnreadCallbacks callbacks = mCallbacks.get();
if (callbacks != null) {
callbacks.bindUnreadInfoIfNeeded();
}
}
}
}.execute();
}
/**
* Initialize unread number by querying system settings provider.
*
* @param context
*/
private void initUnreadNumberFromSystem() {
final ContentResolver cr = mContext.getContentResolver();
final int shortcutsNum = sUnreadSupportShortcutsNum;
UnreadSupportShortcut shortcut = null;
for (int i = 0; i < shortcutsNum; i++) {
shortcut = UNREAD_SUPPORT_SHORTCUTS.get(i);
try {
shortcut.mUnreadNum = android.provider.Settings.System.getInt(cr, shortcut.mKey);
if (LauncherLog.DEBUG_UNREAD) {
LauncherLog.d(TAG, "initUnreadNumberFromSystem: key = " + shortcut.mKey
+ ", unreadNum = " + shortcut.mUnreadNum);
}
} catch (android.provider.Settings.SettingNotFoundException e) {
LauncherLog.e(TAG, "initUnreadNumberFromSystem SettingNotFoundException key = "
+ shortcut.mKey + ", e = " + e.getMessage());
}
}
if (LauncherLog.DEBUG_UNREAD) {
LauncherLog.d(TAG, "initUnreadNumberFromSystem end:" + getUnreadSupportShortcutInfo());
}
}
private void loadUnreadSupportShortcuts() {
long start = System.currentTimeMillis();
if (LauncherLog.DEBUG_PERFORMANCE) {
LauncherLog.d(TAG, "loadUnreadSupportShortcuts begin: start = " + start);
}
// Clear all previous parsed unread shortcuts.
UNREAD_SUPPORT_SHORTCUTS.clear();
try {
XmlResourceParser parser = mContext.getResources().getXml(
R.xml.unread_support_shortcuts);
AttributeSet attrs = Xml.asAttributeSet(parser);
XmlUtils.beginDocument(parser, TAG_UNREADSHORTCUTS);
final int depth = parser.getDepth();
int type = -1;
while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth)
&& type != XmlPullParser.END_DOCUMENT) {
if (type != XmlPullParser.START_TAG) {
continue;
}
TypedArray a = mContext.obtainStyledAttributes(attrs, R.styleable.UnreadShortcut);
synchronized (LOG_LOCK) {
UNREAD_SUPPORT_SHORTCUTS.add(new UnreadSupportShortcut(a
.getString(R.styleable.UnreadShortcut_unreadPackageName), a
.getString(R.styleable.UnreadShortcut_unreadClassName), a
.getString(R.styleable.UnreadShortcut_unreadKey), a.getInt(
R.styleable.UnreadShortcut_unreadType, 0)));
}
a.recycle();
}
} catch (XmlPullParserException e) {
LauncherLog.w(TAG, "Got XmlPullParserException while parsing unread shortcuts.", e);
} catch (IOException e) {
LauncherLog.w(TAG, "Got IOException while parsing unread shortcuts.", e);
}
sUnreadSupportShortcutsNum = UNREAD_SUPPORT_SHORTCUTS.size();
if (LauncherLog.DEBUG_PERFORMANCE) {
LauncherLog.d(TAG, "loadUnreadSupportShortcuts end: time used = "
+ (System.currentTimeMillis() - start) + ",sUnreadSupportShortcutsNum = "
+ sUnreadSupportShortcutsNum + getUnreadSupportShortcutInfo());
}
}
/**
* Get unread support shortcut information, since the information are stored
* in an array list, we may query it and modify it at the same time, a lock
* is needed.
*
* @return
*/
private static String getUnreadSupportShortcutInfo() {
String info = " Unread support shortcuts are ";
synchronized (LOG_LOCK) {
info += UNREAD_SUPPORT_SHORTCUTS.toString();
}
return info;
}
/**
* Whether the given component support unread feature.
*
* @param component
* @return
*/
static int supportUnreadFeature(ComponentName component) {
if (LauncherLog.DEBUG_UNREAD) {
LauncherLog.d(TAG, "supportUnreadFeature: component = " + component);
}
if (component == null) {
return -1;
}
final int size = UNREAD_SUPPORT_SHORTCUTS.size();
for (int i = 0, sz = size; i < sz; i++) {
if (UNREAD_SUPPORT_SHORTCUTS.get(i).mComponent.equals(component)) {
return i;
}
}
return -1;
}
/**
* Set the unread number of the item in the list with the given unread number.
*
* @param index
* @param unreadNum
* @return
*/
static synchronized boolean setUnreadNumberAt(int index, int unreadNum) {
if (index >= 0 || index < sUnreadSupportShortcutsNum) {
if (LauncherLog.DEBUG_UNREAD) {
LauncherLog.d(TAG, "setUnreadNumberAt: index = " + index + ",unreadNum = " + unreadNum
+ getUnreadSupportShortcutInfo());
}
if (UNREAD_SUPPORT_SHORTCUTS.get(index).mUnreadNum != unreadNum) {
UNREAD_SUPPORT_SHORTCUTS.get(index).mUnreadNum = unreadNum;
return true;
}
}
return false;
}
/**
* Get unread number of application at the given position in the supported
* shortcut list.
*
* @param index
* @return
*/
static synchronized int getUnreadNumberAt(int index) {
if (index < 0 || index >= sUnreadSupportShortcutsNum) {
return 0;
}
if (LauncherLog.DEBUG_UNREAD) {
LauncherLog.d(TAG, "getUnreadNumberAt: index = " + index
+ getUnreadSupportShortcutInfo());
}
return UNREAD_SUPPORT_SHORTCUTS.get(index).mUnreadNum;
}
/**
* Get unread number for the given component.
*
* @param component
* @return
*/
static int getUnreadNumberOfComponent(ComponentName component) {
final int index = supportUnreadFeature(component);
return getUnreadNumberAt(index);
}
/**
* Draw unread number for the given icon.
*
* @param canvas
* @param icon
* @return
*/
static void drawUnreadEventIfNeed(Canvas canvas, View icon) {
ItemInfo info = (ItemInfo)icon.getTag();
if (info != null && info.unreadNum > 0) {
Resources res = icon.getContext().getResources();
/// M: Meature sufficent width for unread text and background image
Paint unreadTextNumberPaint = new Paint();
unreadTextNumberPaint.setTextSize(res.getDimension(R.dimen.unread_text_number_size));
unreadTextNumberPaint.setTypeface(Typeface.DEFAULT_BOLD);
unreadTextNumberPaint.setColor(0xffffffff);
unreadTextNumberPaint.setTextAlign(Paint.Align.CENTER);
Paint unreadTextPlusPaint = new Paint(unreadTextNumberPaint);
unreadTextPlusPaint.setTextSize(res.getDimension(R.dimen.unread_text_plus_size));
String unreadTextNumber;
String unreadTextPlus = "+";
Rect unreadTextNumberBounds = new Rect(0, 0, 0, 0);
Rect unreadTextPlusBounds = new Rect(0, 0, 0, 0);
if (info.unreadNum > Launcher.MAX_UNREAD_COUNT) {
unreadTextNumber = String.valueOf(Launcher.MAX_UNREAD_COUNT);
unreadTextPlusPaint.getTextBounds(unreadTextPlus, 0, unreadTextPlus.length(), unreadTextPlusBounds);
} else {
unreadTextNumber = String.valueOf(info.unreadNum);
}
unreadTextNumberPaint.getTextBounds(unreadTextNumber, 0, unreadTextNumber.length(), unreadTextNumberBounds);
int textHeight = unreadTextNumberBounds.height();
int textWidth = unreadTextNumberBounds.width() + unreadTextPlusBounds.width();
/// M: Draw unread background image.
NinePatchDrawable unreadBgNinePatchDrawable = (NinePatchDrawable) res.getDrawable(R.drawable.ic_newevents_numberindication);
int unreadBgWidth = unreadBgNinePatchDrawable.getIntrinsicWidth();
int unreadBgHeight = unreadBgNinePatchDrawable.getIntrinsicHeight();
int unreadMinWidth = (int) res.getDimension(R.dimen.unread_minWidth);
if (unreadBgWidth < unreadMinWidth) {
unreadBgWidth = unreadMinWidth;
}
int unreadTextMargin = (int) res.getDimension(R.dimen.unread_text_margin);
if (unreadBgWidth < textWidth + unreadTextMargin) {
unreadBgWidth = textWidth + unreadTextMargin;
}
if (unreadBgHeight < textHeight) {
unreadBgHeight = textHeight;
}
Rect unreadBgBounds = new Rect(0, 0, unreadBgWidth, unreadBgHeight);
unreadBgNinePatchDrawable.setBounds(unreadBgBounds);
int unreadMarginTop = 0;
int unreadMarginRight = 0;
if (info instanceof ShortcutInfo) {
if (info.container == (long) LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
unreadMarginTop = (int) res.getDimension(R.dimen.hotseat_unread_margin_top);
unreadMarginRight = (int) res.getDimension(R.dimen.hotseat_unread_margin_right);
} else if (info.container == (long) LauncherSettings.Favorites.CONTAINER_DESKTOP) {
unreadMarginTop = (int) res.getDimension(R.dimen.workspace_unread_margin_top);
unreadMarginRight = (int) res.getDimension(R.dimen.workspace_unread_margin_right);
} else {
unreadMarginTop = (int) res.getDimension(R.dimen.folder_unread_margin_top);
unreadMarginRight = (int) res.getDimension(R.dimen.folder_unread_margin_right);
}
} else if (info instanceof FolderInfo) {
if (info.container == (long) LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
unreadMarginTop = (int) res.getDimension(R.dimen.hotseat_unread_margin_top);
unreadMarginRight = (int) res.getDimension(R.dimen.hotseat_unread_margin_right);
} else if (info.container == (long) LauncherSettings.Favorites.CONTAINER_DESKTOP) {
unreadMarginTop = (int) res.getDimension(R.dimen.workspace_unread_margin_top);
unreadMarginRight = (int) res.getDimension(R.dimen.workspace_unread_margin_right);
}
}
else if (info instanceof AppInfo) {
unreadMarginTop = (int) res.getDimension(R.dimen.app_list_unread_margin_top);
unreadMarginRight = (int) res.getDimension(R.dimen.app_list_unread_margin_right);
}
int unreadBgPosX = icon.getScrollX() + icon.getWidth() - unreadBgWidth - unreadMarginRight;
int unreadBgPosY = icon.getScrollY() + unreadMarginTop;
canvas.save();
canvas.translate(unreadBgPosX, unreadBgPosY);
unreadBgNinePatchDrawable.draw(canvas);
/// M: Draw unread text.
Paint.FontMetrics fontMetrics = unreadTextNumberPaint.getFontMetrics();
if (info.unreadNum > Launcher.MAX_UNREAD_COUNT) {
canvas.drawText(unreadTextNumber,
(unreadBgWidth - unreadTextPlusBounds.width()) / 2,
(unreadBgHeight + textHeight) / 2,
unreadTextNumberPaint);
canvas.drawText(unreadTextPlus,
(unreadBgWidth + unreadTextNumberBounds.width()) / 2,
(unreadBgHeight + textHeight) / 2 + fontMetrics.ascent / 2,
unreadTextPlusPaint);
} else {
canvas.drawText(unreadTextNumber,
unreadBgWidth / 2,
(unreadBgHeight + textHeight) / 2,
unreadTextNumberPaint);
}
canvas.restore();
}
}
public interface UnreadCallbacks {
/**
* Bind shortcuts and application icons with the given component, and
* update folders unread which contains the given component.
*
* @param component
* @param unreadNum
*/
void bindComponentUnreadChanged(ComponentName component, int unreadNum);
/**
* Bind unread shortcut information if needed, this call back is used to
* update shortcuts and folders when launcher first created.
*/
void bindUnreadInfoIfNeeded();
}
}