Android example source code file (NotificationViewList.java)

This example Android source code file (NotificationViewList.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, arraylist, couldn't, ibinder, n, notificationdata, notificationviewlist, os, statusbarnotification, string, ui, util, utilities, view

The NotificationViewList.java Android example source code

/*
 * 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 com.android.server.status;

import android.os.IBinder;
import android.util.Slog;
import android.view.View;
import java.util.ArrayList;

class NotificationViewList {
    private ArrayList<StatusBarNotification> mOngoing = new ArrayList();
    private ArrayList<StatusBarNotification> mLatest = new ArrayList();

    NotificationViewList() {
    }

    private static final int indexInList(ArrayList<StatusBarNotification> list, NotificationData n){
        final int N = list.size();
        for (int i=0; i<N; i++) {
            StatusBarNotification that = list.get(i);
            if (that.data == n) {
                return i;
            }
        }
        return -1;
    }

    int getIconIndex(NotificationData n) {
        final int ongoingSize = mOngoing.size();
        final int latestSize = mLatest.size();
        if (n.ongoingEvent) {
            int index = indexInList(mOngoing, n);
            if (index >= 0) {
                return latestSize + index + 1;
            } else {
                return -1;
            }
        } else {
            return indexInList(mLatest, n) + 1;
        }
    }

    void remove(StatusBarNotification notification) {
        NotificationData n = notification.data;
        int index;
        index = indexInList(mOngoing, n);
        if (index >= 0) {
            mOngoing.remove(index);
            return;
        }
        index = indexInList(mLatest, n);
        if (index >= 0) {
            mLatest.remove(index);
            return;
        }
    }

    ArrayList<StatusBarNotification> notificationsForPackage(String packageName) {
        ArrayList<StatusBarNotification> list = new ArrayList();
        int N = mOngoing.size();
        for (int i=0; i<N; i++) {
            if (matchPackage(mOngoing.get(i), packageName)) {
                list.add(mOngoing.get(i));
            }
        }
        N = mLatest.size();
        for (int i=0; i<N; i++) {
            if (matchPackage(mLatest.get(i), packageName)) {
                list.add(mLatest.get(i));
            }
        }
        return list;
    }
    
    private final boolean matchPackage(StatusBarNotification snb, String packageName) {
        if (snb.data.contentIntent != null) {
            if (snb.data.contentIntent.getTargetPackage().equals(packageName)) {
                return true;
            }
        } else if (snb.data.pkg != null && snb.data.pkg.equals(packageName)) {
            return true;
        }
        return false;
    }
    
    private static final int indexForKey(ArrayList<StatusBarNotification> list, IBinder key) {
        final int N = list.size();
        for (int i=0; i<N; i++) {
            if (list.get(i).key == key) {
                return i;
            }
        }
        return -1;
    }

    StatusBarNotification get(IBinder key) {
        int index;
        index = indexForKey(mOngoing, key);
        if (index >= 0) {
            return mOngoing.get(index);
        }
        index = indexForKey(mLatest, key);
        if (index >= 0) {
            return mLatest.get(index);
        }
        return null;
    }

    // gets the index of the notification's view in its expanded parent view
    int getExpandedIndex(StatusBarNotification notification) {
        ArrayList<StatusBarNotification> list = notification.data.ongoingEvent ? mOngoing : mLatest;
        final IBinder key = notification.key;
        int index = 0;
        // (the view order is backwards from this list order)
        for (int i=list.size()-1; i>=0; i--) {
            StatusBarNotification item = list.get(i);
            if (item.key == key) {
                return index;
            }
            if (item.view != null) {
                index++;
            }
        }
        Slog.e(StatusBarService.TAG, "Couldn't find notification in NotificationViewList.");
        Slog.e(StatusBarService.TAG, "notification=" + notification);
        dump(notification);
        return 0;
    }

    void clearViews() {
        int N = mOngoing.size();
        for (int i=0; i<N; i++) {
            mOngoing.get(i).view = null;
        }
        N = mLatest.size();
        for (int i=0; i<N; i++) {
            mLatest.get(i).view = null;
        }
    }
    
    int ongoingCount() {
        return mOngoing.size();
    }

    int latestCount() {
        return mLatest.size();
    }

    StatusBarNotification getOngoing(int index) {
        return mOngoing.get(index);
    }

    StatusBarNotification getLatest(int index) {
        return mLatest.get(index);
    }

    int size() {
        return mOngoing.size() + mLatest.size();
    }

    void add(StatusBarNotification notification) {
        if (StatusBarService.SPEW) {
            Slog.d(StatusBarService.TAG, "before add NotificationViewList"
                    + " notification.data.ongoingEvent=" + notification.data.ongoingEvent);
            dump(notification);
        }

        ArrayList<StatusBarNotification> list = notification.data.ongoingEvent ? mOngoing : mLatest;
        long when = notification.data.when;
        final int N = list.size();
        int index = N;
        for (int i=0; i<N; i++) {
            StatusBarNotification that = list.get(i);
            if (that.data.when > when) {
                index = i;
                break;
            }
        }
        list.add(index, notification);

        if (StatusBarService.SPEW) {
            Slog.d(StatusBarService.TAG, "after add NotificationViewList index=" + index);
            dump(notification);
        }
    }

    void dump(StatusBarNotification notification) {
        if (StatusBarService.SPEW) {
            boolean showTime = false;
            String s = "";
            for (int i=0; i<mOngoing.size(); i++) {
                StatusBarNotification that = mOngoing.get(i);
                if (that.key == notification.key) {
                    s += "[";
                }
                if (showTime) {
                    s += that.data.when;
                } else {
                    s += that.data.pkg + "/" + that.data.id + "/" + that.view;
                }
                if (that.key == notification.key) {
                    s += "]";
                }
                s += " ";
            }
            Slog.d(StatusBarService.TAG, "NotificationViewList ongoing: " + s);

            s = "";
            for (int i=0; i<mLatest.size(); i++) {
                StatusBarNotification that = mLatest.get(i);
                if (that.key == notification.key) {
                    s += "[";
                }
                if (showTime) {
                    s += that.data.when;
                } else {
                    s += that.data.pkg + "/" + that.data.id + "/" + that.view;
                }
                if (that.key == notification.key) {
                    s += "]";
                }
                s += " ";
            }
            Slog.d(StatusBarService.TAG, "NotificationViewList latest:  " + s);
        }
    }

    StatusBarNotification get(View view) {
        int N = mOngoing.size();
        for (int i=0; i<N; i++) {
            StatusBarNotification notification = mOngoing.get(i);
            View v = notification.view;
            if (v == view) {
                return notification;
            }
        }
        N = mLatest.size();
        for (int i=0; i<N; i++) {
            StatusBarNotification notification = mLatest.get(i);
            View v = notification.view;
            if (v == view) {
                return notification;
            }
        }
        return null;
    }

    void update(StatusBarNotification notification) {
        remove(notification);
        add(notification);
    }

    boolean hasClearableItems() {
        int N = mLatest.size();
        for (int i=0; i<N; i++) {
            if (mLatest.get(i).data.clearable) {
                return true;
            }
        }
        return false;
    }
}