| /* |
| * Copyright (C) 2010 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.systemui.statusbar; |
| |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.service.notification.StatusBarNotification; |
| |
| import com.android.internal.statusbar.IStatusBar; |
| import com.android.internal.statusbar.StatusBarIcon; |
| import com.android.internal.statusbar.StatusBarIconList; |
| |
| /** |
| * This class takes the functions from IStatusBar that come in on |
| * binder pool threads and posts messages to get them onto the main |
| * thread, and calls onto Callbacks. It also takes care of |
| * coalescing these calls so they don't stack up. For the calls |
| * are coalesced, note that they are all idempotent. |
| */ |
| public class CommandQueue extends IStatusBar.Stub { |
| private static final int INDEX_MASK = 0xffff; |
| private static final int MSG_SHIFT = 16; |
| private static final int MSG_MASK = 0xffff << MSG_SHIFT; |
| |
| private static final int OP_SET_ICON = 1; |
| private static final int OP_REMOVE_ICON = 2; |
| |
| private static final int MSG_ICON = 1 << MSG_SHIFT; |
| private static final int MSG_ADD_NOTIFICATION = 2 << MSG_SHIFT; |
| private static final int MSG_UPDATE_NOTIFICATION = 3 << MSG_SHIFT; |
| private static final int MSG_REMOVE_NOTIFICATION = 4 << MSG_SHIFT; |
| private static final int MSG_DISABLE = 5 << MSG_SHIFT; |
| private static final int MSG_EXPAND_NOTIFICATIONS = 6 << MSG_SHIFT; |
| private static final int MSG_COLLAPSE_PANELS = 7 << MSG_SHIFT; |
| private static final int MSG_EXPAND_SETTINGS = 8 << MSG_SHIFT; |
| private static final int MSG_SET_SYSTEMUI_VISIBILITY = 9 << MSG_SHIFT; |
| private static final int MSG_TOP_APP_WINDOW_CHANGED = 10 << MSG_SHIFT; |
| private static final int MSG_SHOW_IME_BUTTON = 11 << MSG_SHIFT; |
| private static final int MSG_SET_HARD_KEYBOARD_STATUS = 12 << MSG_SHIFT; |
| private static final int MSG_TOGGLE_RECENT_APPS = 13 << MSG_SHIFT; |
| private static final int MSG_PRELOAD_RECENT_APPS = 14 << MSG_SHIFT; |
| private static final int MSG_CANCEL_PRELOAD_RECENT_APPS = 15 << MSG_SHIFT; |
| private static final int MSG_SET_WINDOW_STATE = 16 << MSG_SHIFT; |
| |
| public static final int FLAG_EXCLUDE_NONE = 0; |
| public static final int FLAG_EXCLUDE_SEARCH_PANEL = 1 << 0; |
| public static final int FLAG_EXCLUDE_RECENTS_PANEL = 1 << 1; |
| public static final int FLAG_EXCLUDE_NOTIFICATION_PANEL = 1 << 2; |
| public static final int FLAG_EXCLUDE_INPUT_METHODS_PANEL = 1 << 3; |
| public static final int FLAG_EXCLUDE_COMPAT_MODE_PANEL = 1 << 4; |
| |
| private StatusBarIconList mList; |
| private Callbacks mCallbacks; |
| private Handler mHandler = new H(); |
| |
| private class NotificationQueueEntry { |
| IBinder key; |
| StatusBarNotification notification; |
| } |
| |
| /** |
| * These methods are called back on the main thread. |
| */ |
| public interface Callbacks { |
| public void addIcon(String slot, int index, int viewIndex, StatusBarIcon icon); |
| public void updateIcon(String slot, int index, int viewIndex, |
| StatusBarIcon old, StatusBarIcon icon); |
| public void removeIcon(String slot, int index, int viewIndex); |
| public void addNotification(IBinder key, StatusBarNotification notification); |
| public void updateNotification(IBinder key, StatusBarNotification notification); |
| public void removeNotification(IBinder key); |
| public void disable(int state); |
| public void animateExpandNotificationsPanel(); |
| public void animateCollapsePanels(int flags); |
| public void animateExpandSettingsPanel(); |
| public void setSystemUiVisibility(int vis, int mask); |
| public void topAppWindowChanged(boolean visible); |
| public void setImeWindowStatus(IBinder token, int vis, int backDisposition); |
| public void setHardKeyboardStatus(boolean available, boolean enabled); |
| public void toggleRecentApps(); |
| public void preloadRecentApps(); |
| public void showSearchPanel(); |
| public void hideSearchPanel(); |
| public void cancelPreloadRecentApps(); |
| public void setWindowState(int window, int state); |
| } |
| |
| public CommandQueue(Callbacks callbacks, StatusBarIconList list) { |
| mCallbacks = callbacks; |
| mList = list; |
| } |
| |
| public void setIcon(int index, StatusBarIcon icon) { |
| synchronized (mList) { |
| int what = MSG_ICON | index; |
| mHandler.removeMessages(what); |
| mHandler.obtainMessage(what, OP_SET_ICON, 0, icon.clone()).sendToTarget(); |
| } |
| } |
| |
| public void removeIcon(int index) { |
| synchronized (mList) { |
| int what = MSG_ICON | index; |
| mHandler.removeMessages(what); |
| mHandler.obtainMessage(what, OP_REMOVE_ICON, 0, null).sendToTarget(); |
| } |
| } |
| |
| public void addNotification(IBinder key, StatusBarNotification notification) { |
| synchronized (mList) { |
| NotificationQueueEntry ne = new NotificationQueueEntry(); |
| ne.key = key; |
| ne.notification = notification; |
| mHandler.obtainMessage(MSG_ADD_NOTIFICATION, 0, 0, ne).sendToTarget(); |
| } |
| } |
| |
| public void updateNotification(IBinder key, StatusBarNotification notification) { |
| synchronized (mList) { |
| NotificationQueueEntry ne = new NotificationQueueEntry(); |
| ne.key = key; |
| ne.notification = notification; |
| mHandler.obtainMessage(MSG_UPDATE_NOTIFICATION, 0, 0, ne).sendToTarget(); |
| } |
| } |
| |
| public void removeNotification(IBinder key) { |
| synchronized (mList) { |
| mHandler.obtainMessage(MSG_REMOVE_NOTIFICATION, 0, 0, key).sendToTarget(); |
| } |
| } |
| |
| public void disable(int state) { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_DISABLE); |
| mHandler.obtainMessage(MSG_DISABLE, state, 0, null).sendToTarget(); |
| } |
| } |
| |
| public void animateExpandNotificationsPanel() { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_EXPAND_NOTIFICATIONS); |
| mHandler.sendEmptyMessage(MSG_EXPAND_NOTIFICATIONS); |
| } |
| } |
| |
| public void animateCollapsePanels() { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_COLLAPSE_PANELS); |
| mHandler.sendEmptyMessage(MSG_COLLAPSE_PANELS); |
| } |
| } |
| |
| public void animateExpandSettingsPanel() { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_EXPAND_SETTINGS); |
| mHandler.sendEmptyMessage(MSG_EXPAND_SETTINGS); |
| } |
| } |
| |
| public void setSystemUiVisibility(int vis, int mask) { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_SET_SYSTEMUI_VISIBILITY); |
| mHandler.obtainMessage(MSG_SET_SYSTEMUI_VISIBILITY, vis, mask, null).sendToTarget(); |
| } |
| } |
| |
| public void topAppWindowChanged(boolean menuVisible) { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_TOP_APP_WINDOW_CHANGED); |
| mHandler.obtainMessage(MSG_TOP_APP_WINDOW_CHANGED, menuVisible ? 1 : 0, 0, |
| null).sendToTarget(); |
| } |
| } |
| |
| public void setImeWindowStatus(IBinder token, int vis, int backDisposition) { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_SHOW_IME_BUTTON); |
| mHandler.obtainMessage(MSG_SHOW_IME_BUTTON, vis, backDisposition, token) |
| .sendToTarget(); |
| } |
| } |
| |
| public void setHardKeyboardStatus(boolean available, boolean enabled) { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_SET_HARD_KEYBOARD_STATUS); |
| mHandler.obtainMessage(MSG_SET_HARD_KEYBOARD_STATUS, |
| available ? 1 : 0, enabled ? 1 : 0).sendToTarget(); |
| } |
| } |
| |
| public void toggleRecentApps() { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_TOGGLE_RECENT_APPS); |
| mHandler.obtainMessage(MSG_TOGGLE_RECENT_APPS, 0, 0, null).sendToTarget(); |
| } |
| } |
| |
| public void preloadRecentApps() { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_PRELOAD_RECENT_APPS); |
| mHandler.obtainMessage(MSG_PRELOAD_RECENT_APPS, 0, 0, null).sendToTarget(); |
| } |
| } |
| |
| public void cancelPreloadRecentApps() { |
| synchronized (mList) { |
| mHandler.removeMessages(MSG_CANCEL_PRELOAD_RECENT_APPS); |
| mHandler.obtainMessage(MSG_CANCEL_PRELOAD_RECENT_APPS, 0, 0, null).sendToTarget(); |
| } |
| } |
| |
| public void setWindowState(int window, int state) { |
| synchronized (mList) { |
| // don't coalesce these |
| mHandler.obtainMessage(MSG_SET_WINDOW_STATE, window, state, null).sendToTarget(); |
| } |
| } |
| |
| private final class H extends Handler { |
| public void handleMessage(Message msg) { |
| final int what = msg.what & MSG_MASK; |
| switch (what) { |
| case MSG_ICON: { |
| final int index = msg.what & INDEX_MASK; |
| final int viewIndex = mList.getViewIndex(index); |
| switch (msg.arg1) { |
| case OP_SET_ICON: { |
| StatusBarIcon icon = (StatusBarIcon)msg.obj; |
| StatusBarIcon old = mList.getIcon(index); |
| if (old == null) { |
| mList.setIcon(index, icon); |
| mCallbacks.addIcon(mList.getSlot(index), index, viewIndex, icon); |
| } else { |
| mList.setIcon(index, icon); |
| mCallbacks.updateIcon(mList.getSlot(index), index, viewIndex, |
| old, icon); |
| } |
| break; |
| } |
| case OP_REMOVE_ICON: |
| if (mList.getIcon(index) != null) { |
| mList.removeIcon(index); |
| mCallbacks.removeIcon(mList.getSlot(index), index, viewIndex); |
| } |
| break; |
| } |
| break; |
| } |
| case MSG_ADD_NOTIFICATION: { |
| final NotificationQueueEntry ne = (NotificationQueueEntry)msg.obj; |
| mCallbacks.addNotification(ne.key, ne.notification); |
| break; |
| } |
| case MSG_UPDATE_NOTIFICATION: { |
| final NotificationQueueEntry ne = (NotificationQueueEntry)msg.obj; |
| mCallbacks.updateNotification(ne.key, ne.notification); |
| break; |
| } |
| case MSG_REMOVE_NOTIFICATION: { |
| mCallbacks.removeNotification((IBinder)msg.obj); |
| break; |
| } |
| case MSG_DISABLE: |
| mCallbacks.disable(msg.arg1); |
| break; |
| case MSG_EXPAND_NOTIFICATIONS: |
| mCallbacks.animateExpandNotificationsPanel(); |
| break; |
| case MSG_COLLAPSE_PANELS: |
| mCallbacks.animateCollapsePanels(0); |
| break; |
| case MSG_EXPAND_SETTINGS: |
| mCallbacks.animateExpandSettingsPanel(); |
| break; |
| case MSG_SET_SYSTEMUI_VISIBILITY: |
| mCallbacks.setSystemUiVisibility(msg.arg1, msg.arg2); |
| break; |
| case MSG_TOP_APP_WINDOW_CHANGED: |
| mCallbacks.topAppWindowChanged(msg.arg1 != 0); |
| break; |
| case MSG_SHOW_IME_BUTTON: |
| mCallbacks.setImeWindowStatus((IBinder)msg.obj, msg.arg1, msg.arg2); |
| break; |
| case MSG_SET_HARD_KEYBOARD_STATUS: |
| mCallbacks.setHardKeyboardStatus(msg.arg1 != 0, msg.arg2 != 0); |
| break; |
| case MSG_TOGGLE_RECENT_APPS: |
| mCallbacks.toggleRecentApps(); |
| break; |
| case MSG_PRELOAD_RECENT_APPS: |
| mCallbacks.preloadRecentApps(); |
| break; |
| case MSG_CANCEL_PRELOAD_RECENT_APPS: |
| mCallbacks.cancelPreloadRecentApps(); |
| break; |
| case MSG_SET_WINDOW_STATE: |
| mCallbacks.setWindowState(msg.arg1, msg.arg2); |
| break; |
| } |
| } |
| } |
| } |
| |