/*
* 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.content.ComponentName;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Pair;
import android.view.KeyEvent;
import com.android.internal.os.SomeArgs;
import com.android.internal.statusbar.IStatusBar;
import com.android.internal.statusbar.StatusBarIcon;
/**
* 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_DISABLE = 2 << MSG_SHIFT;
private static final int MSG_EXPAND_NOTIFICATIONS = 3 << MSG_SHIFT;
private static final int MSG_COLLAPSE_PANELS = 4 << MSG_SHIFT;
private static final int MSG_EXPAND_SETTINGS = 5 << MSG_SHIFT;
private static final int MSG_SET_SYSTEMUI_VISIBILITY = 6 << MSG_SHIFT;
private static final int MSG_TOP_APP_WINDOW_CHANGED = 7 << MSG_SHIFT;
private static final int MSG_SHOW_IME_BUTTON = 8 << MSG_SHIFT;
private static final int MSG_TOGGLE_RECENT_APPS = 9 << MSG_SHIFT;
private static final int MSG_PRELOAD_RECENT_APPS = 10 << MSG_SHIFT;
private static final int MSG_CANCEL_PRELOAD_RECENT_APPS = 11 << MSG_SHIFT;
private static final int MSG_SET_WINDOW_STATE = 12 << MSG_SHIFT;
private static final int MSG_SHOW_RECENT_APPS = 13 << MSG_SHIFT;
private static final int MSG_HIDE_RECENT_APPS = 14 << MSG_SHIFT;
private static final int MSG_BUZZ_BEEP_BLINKED = 15 << MSG_SHIFT;
private static final int MSG_NOTIFICATION_LIGHT_OFF = 16 << MSG_SHIFT;
private static final int MSG_NOTIFICATION_LIGHT_PULSE = 17 << MSG_SHIFT;
private static final int MSG_SHOW_SCREEN_PIN_REQUEST = 18 << MSG_SHIFT;
private static final int MSG_APP_TRANSITION_PENDING = 19 << MSG_SHIFT;
private static final int MSG_APP_TRANSITION_CANCELLED = 20 << MSG_SHIFT;
private static final int MSG_APP_TRANSITION_STARTING = 21 << MSG_SHIFT;
private static final int MSG_ASSIST_DISCLOSURE = 22 << MSG_SHIFT;
private static final int MSG_START_ASSIST = 23 << MSG_SHIFT;
private static final int MSG_CAMERA_LAUNCH_GESTURE = 24 << MSG_SHIFT;
private static final int MSG_TOGGLE_KEYBOARD_SHORTCUTS = 25 << MSG_SHIFT;
private static final int MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU = 26 << MSG_SHIFT;
private static final int MSG_ADD_QS_TILE = 27 << MSG_SHIFT;
private static final int MSG_REMOVE_QS_TILE = 28 << MSG_SHIFT;
private static final int MSG_CLICK_QS_TILE = 29 << MSG_SHIFT;
private static final int MSG_TOGGLE_APP_SPLIT_SCREEN = 30 << MSG_SHIFT;
private static final int MSG_APP_TRANSITION_FINISHED = 31 << MSG_SHIFT;
private static final int MSG_DISMISS_KEYBOARD_SHORTCUTS = 32 << MSG_SHIFT;
private static final int MSG_HANDLE_SYSNAV_KEY = 33 << 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 static final String SHOW_IME_SWITCHER_KEY = "showImeSwitcherKey";
private final Object mLock = new Object();
private Callbacks mCallbacks;
private Handler mHandler = new H();
/**
* These methods are called back on the main thread.
*/
public interface Callbacks {
void setIcon(String slot, StatusBarIcon icon);
void removeIcon(String slot);
void disable(int state1, int state2, boolean animate);
void animateExpandNotificationsPanel();
void animateCollapsePanels(int flags);
void animateExpandSettingsPanel(String obj);
void setSystemUiVisibility(int vis, int fullscreenStackVis,
int dockedStackVis, int mask, Rect fullscreenStackBounds, Rect dockedStackBounds);
void topAppWindowChanged(boolean visible);
void setImeWindowStatus(IBinder token, int vis, int backDisposition,
boolean showImeSwitcher);
void showRecentApps(boolean triggeredFromAltTab, boolean fromHome);
void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey);
void toggleRecentApps();
void toggleSplitScreen();
void preloadRecentApps();
void dismissKeyboardShortcutsMenu();
void toggleKeyboardShortcutsMenu(int deviceId);
void cancelPreloadRecentApps();
void setWindowState(int window, int state);
void buzzBeepBlinked();
void notificationLightOff();
void notificationLightPulse(int argb, int onMillis, int offMillis);
void showScreenPinningRequest(int taskId);
void appTransitionPending();
void appTransitionCancelled();
void appTransitionStarting(long startTime, long duration);
void appTransitionFinished();
void showAssistDisclosure();
void startAssist(Bundle args);
void onCameraLaunchGestureDetected(int source);
void showTvPictureInPictureMenu();
void addQsTile(ComponentName tile);
void remQsTile(ComponentName tile);
void clickTile(ComponentName tile);
void handleSystemNavigationKey(int arg1);
}
public CommandQueue(Callbacks callbacks) {
mCallbacks = callbacks;
}
public void setIcon(String slot, StatusBarIcon icon) {
synchronized (mLock) {
// don't coalesce these
mHandler.obtainMessage(MSG_ICON, OP_SET_ICON, 0,
new Pair<String, StatusBarIcon>(slot, icon)).sendToTarget();
}
}
public void removeIcon(String slot) {
synchronized (mLock) {
// don't coalesce these
mHandler.obtainMessage(MSG_ICON, OP_REMOVE_ICON, 0, slot).sendToTarget();
}
}
public void disable(int state1, int state2) {
synchronized (mLock) {
mHandler.removeMessages(MSG_DISABLE);
mHandler.obtainMessage(MSG_DISABLE, state1, state2, null).sendToTarget();
}
}
public void animateExpandNotificationsPanel() {
synchronized (mLock) {
mHandler.removeMessages(MSG_EXPAND_NOTIFICATIONS);
mHandler.sendEmptyMessage(MSG_EXPAND_NOTIFICATIONS);
}
}
public void animateCollapsePanels() {
synchronized (mLock) {
mHandler.removeMessages(MSG_COLLAPSE_PANELS);
mHandler.sendEmptyMessage(MSG_COLLAPSE_PANELS);
}
}
public void animateExpandSettingsPanel(String subPanel) {
synchronized (mLock) {
mHandler.removeMessages(MSG_EXPAND_SETTINGS);
mHandler.obtainMessage(MSG_EXPAND_SETTINGS, subPanel).sendToTarget();
}
}
public void setSystemUiVisibility(int vis, int fullscreenStackVis, int dockedStackVis,
int mask, Rect fullscreenStackBounds, Rect dockedStackBounds) {
synchronized (mLock) {
// Don't coalesce these, since it might have one time flags set such as
// STATUS_BAR_UNHIDE which might get lost.
SomeArgs args = SomeArgs.obtain();
args.argi1 = vis;
args.argi2 = fullscreenStackVis;
args.argi3 = dockedStackVis;
args.argi4 = mask;
args.arg1 = fullscreenStackBounds;
args.arg2 = dockedStackBounds;
mHandler.obtainMessage(MSG_SET_SYSTEMUI_VISIBILITY, args).sendToTarget();
}
}
public void topAppWindowChanged(boolean menuVisible) {
synchronized (mLock) {
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,
boolean showImeSwitcher) {
synchronized (mLock) {
mHandler.removeMessages(MSG_SHOW_IME_BUTTON);
Message m = mHandler.obtainMessage(MSG_SHOW_IME_BUTTON, vis, backDisposition, token);
m.getData().putBoolean(SHOW_IME_SWITCHER_KEY, showImeSwitcher);
m.sendToTarget();
}
}
public void showRecentApps(boolean triggeredFromAltTab, boolean fromHome) {
synchronized (mLock) {
mHandler.removeMessages(MSG_SHOW_RECENT_APPS);
mHandler.obtainMessage(MSG_SHOW_RECENT_APPS,
triggeredFromAltTab ? 1 : 0, fromHome ? 1 : 0, null).sendToTarget();
}
}
public void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
synchronized (mLock) {
mHandler.removeMessages(MSG_HIDE_RECENT_APPS);
mHandler.obtainMessage(MSG_HIDE_RECENT_APPS,
triggeredFromAltTab ? 1 : 0, triggeredFromHomeKey ? 1 : 0,
null).sendToTarget();
}
}
public void toggleSplitScreen() {
synchronized (mLock) {
mHandler.removeMessages(MSG_TOGGLE_APP_SPLIT_SCREEN);
mHandler.obtainMessage(MSG_TOGGLE_APP_SPLIT_SCREEN, 0, 0, null).sendToTarget();
}
}
public void toggleRecentApps() {
synchronized (mLock) {
mHandler.removeMessages(MSG_TOGGLE_RECENT_APPS);
mHandler.obtainMessage(MSG_TOGGLE_RECENT_APPS, 0, 0, null).sendToTarget();
}
}
public void preloadRecentApps() {
synchronized (mLock) {
mHandler.removeMessages(MSG_PRELOAD_RECENT_APPS);
mHandler.obtainMessage(MSG_PRELOAD_RECENT_APPS, 0, 0, null).sendToTarget();
}
}
public void cancelPreloadRecentApps() {
synchronized (mLock) {
mHandler.removeMessages(MSG_CANCEL_PRELOAD_RECENT_APPS);
mHandler.obtainMessage(MSG_CANCEL_PRELOAD_RECENT_APPS, 0, 0, null).sendToTarget();
}
}
@Override
public void dismissKeyboardShortcutsMenu() {
synchronized (mLock) {
mHandler.removeMessages(MSG_DISMISS_KEYBOARD_SHORTCUTS);
mHandler.obtainMessage(MSG_DISMISS_KEYBOARD_SHORTCUTS).sendToTarget();
}
}
@Override
public void toggleKeyboardShortcutsMenu(int deviceId) {
synchronized (mLock) {
mHandler.removeMessages(MSG_TOGGLE_KEYBOARD_SHORTCUTS);
mHandler.obtainMessage(MSG_TOGGLE_KEYBOARD_SHORTCUTS, deviceId, 0).sendToTarget();
}
}
@Override
public void showTvPictureInPictureMenu() {
synchronized (mLock) {
mHandler.removeMessages(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU);
mHandler.obtainMessage(MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU).sendToTarget();
}
}
public void setWindowState(int window, int state) {
synchronized (mLock) {
// don't coalesce these
mHandler.obtainMessage(MSG_SET_WINDOW_STATE, window, state, null).sendToTarget();
}
}
public void buzzBeepBlinked() {
synchronized (mLock) {
mHandler.removeMessages(MSG_BUZZ_BEEP_BLINKED);
mHandler.sendEmptyMessage(MSG_BUZZ_BEEP_BLINKED);
}
}
public void notificationLightOff() {
synchronized (mLock) {
mHandler.sendEmptyMessage(MSG_NOTIFICATION_LIGHT_OFF);
}
}
public void notificationLightPulse(int argb, int onMillis, int offMillis) {
synchronized (mLock) {
mHandler.obtainMessage(MSG_NOTIFICATION_LIGHT_PULSE, onMillis, offMillis, argb)
.sendToTarget();
}
}
public void showScreenPinningRequest(int taskId) {
synchronized (mLock) {
mHandler.obtainMessage(MSG_SHOW_SCREEN_PIN_REQUEST, taskId, 0, null)
.sendToTarget();
}
}
public void appTransitionPending() {
synchronized (mLock) {
mHandler.removeMessages(MSG_APP_TRANSITION_PENDING);
mHandler.sendEmptyMessage(MSG_APP_TRANSITION_PENDING);
}
}
public void appTransitionCancelled() {
synchronized (mLock) {
mHandler.removeMessages(MSG_APP_TRANSITION_PENDING);
mHandler.sendEmptyMessage(MSG_APP_TRANSITION_PENDING);
}
}
public void appTransitionStarting(long startTime, long duration) {
synchronized (mLock) {
mHandler.removeMessages(MSG_APP_TRANSITION_STARTING);
mHandler.obtainMessage(MSG_APP_TRANSITION_STARTING, Pair.create(startTime, duration))
.sendToTarget();
}
}
@Override
public void appTransitionFinished() {
synchronized (mLock) {
mHandler.removeMessages(MSG_APP_TRANSITION_FINISHED);
mHandler.sendEmptyMessage(MSG_APP_TRANSITION_FINISHED);
}
}
public void showAssistDisclosure() {
synchronized (mLock) {
mHandler.removeMessages(MSG_ASSIST_DISCLOSURE);
mHandler.obtainMessage(MSG_ASSIST_DISCLOSURE).sendToTarget();
}
}
public void startAssist(Bundle args) {
synchronized (mLock) {
mHandler.removeMessages(MSG_START_ASSIST);
mHandler.obtainMessage(MSG_START_ASSIST, args).sendToTarget();
}
}
@Override
public void onCameraLaunchGestureDetected(int source) {
synchronized (mLock) {
mHandler.removeMessages(MSG_CAMERA_LAUNCH_GESTURE);
mHandler.obtainMessage(MSG_CAMERA_LAUNCH_GESTURE, source, 0).sendToTarget();
}
}
@Override
public void addQsTile(ComponentName tile) {
synchronized (mLock) {
mHandler.obtainMessage(MSG_ADD_QS_TILE, tile).sendToTarget();
}
}
@Override
public void remQsTile(ComponentName tile) {
synchronized (mLock) {
mHandler.obtainMessage(MSG_REMOVE_QS_TILE, tile).sendToTarget();
}
}
@Override
public void clickQsTile(ComponentName tile) {
synchronized (mLock) {
mHandler.obtainMessage(MSG_CLICK_QS_TILE, tile).sendToTarget();
}
}
@Override
public void handleSystemNavigationKey(int key) {
synchronized (mLock) {
mHandler.obtainMessage(MSG_HANDLE_SYSNAV_KEY, key, 0).sendToTarget();
}
}
private final class H extends Handler {
public void handleMessage(Message msg) {
final int what = msg.what & MSG_MASK;
switch (what) {
case MSG_ICON: {
switch (msg.arg1) {
case OP_SET_ICON: {
Pair<String, StatusBarIcon> p = (Pair<String, StatusBarIcon>) msg.obj;
mCallbacks.setIcon(p.first, p.second);
break;
}
case OP_REMOVE_ICON:
mCallbacks.removeIcon((String) msg.obj);
break;
}
break;
}
case MSG_DISABLE:
mCallbacks.disable(msg.arg1, msg.arg2, true /* animate */);
break;
case MSG_EXPAND_NOTIFICATIONS:
mCallbacks.animateExpandNotificationsPanel();
break;
case MSG_COLLAPSE_PANELS:
mCallbacks.animateCollapsePanels(0);
break;
case MSG_EXPAND_SETTINGS:
mCallbacks.animateExpandSettingsPanel((String) msg.obj);
break;
case MSG_SET_SYSTEMUI_VISIBILITY:
SomeArgs args = (SomeArgs) msg.obj;
mCallbacks.setSystemUiVisibility(args.argi1, args.argi2, args.argi3,
args.argi4, (Rect) args.arg1, (Rect) args.arg2);
args.recycle();
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,
msg.getData().getBoolean(SHOW_IME_SWITCHER_KEY, false));
break;
case MSG_SHOW_RECENT_APPS:
mCallbacks.showRecentApps(msg.arg1 != 0, msg.arg2 != 0);
break;
case MSG_HIDE_RECENT_APPS:
mCallbacks.hideRecentApps(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_DISMISS_KEYBOARD_SHORTCUTS:
mCallbacks.dismissKeyboardShortcutsMenu();
break;
case MSG_TOGGLE_KEYBOARD_SHORTCUTS:
mCallbacks.toggleKeyboardShortcutsMenu(msg.arg1);
break;
case MSG_SET_WINDOW_STATE:
mCallbacks.setWindowState(msg.arg1, msg.arg2);
break;
case MSG_BUZZ_BEEP_BLINKED:
mCallbacks.buzzBeepBlinked();
break;
case MSG_NOTIFICATION_LIGHT_OFF:
mCallbacks.notificationLightOff();
break;
case MSG_NOTIFICATION_LIGHT_PULSE:
mCallbacks.notificationLightPulse((Integer) msg.obj, msg.arg1, msg.arg2);
break;
case MSG_SHOW_SCREEN_PIN_REQUEST:
mCallbacks.showScreenPinningRequest(msg.arg1);
break;
case MSG_APP_TRANSITION_PENDING:
mCallbacks.appTransitionPending();
break;
case MSG_APP_TRANSITION_CANCELLED:
mCallbacks.appTransitionCancelled();
break;
case MSG_APP_TRANSITION_STARTING:
Pair<Long, Long> data = (Pair<Long, Long>) msg.obj;
mCallbacks.appTransitionStarting(data.first, data.second);
break;
case MSG_APP_TRANSITION_FINISHED:
mCallbacks.appTransitionFinished();
break;
case MSG_ASSIST_DISCLOSURE:
mCallbacks.showAssistDisclosure();
break;
case MSG_START_ASSIST:
mCallbacks.startAssist((Bundle) msg.obj);
break;
case MSG_CAMERA_LAUNCH_GESTURE:
mCallbacks.onCameraLaunchGestureDetected(msg.arg1);
break;
case MSG_SHOW_TV_PICTURE_IN_PICTURE_MENU:
mCallbacks.showTvPictureInPictureMenu();
break;
case MSG_ADD_QS_TILE:
mCallbacks.addQsTile((ComponentName) msg.obj);
break;
case MSG_REMOVE_QS_TILE:
mCallbacks.remQsTile((ComponentName) msg.obj);
break;
case MSG_CLICK_QS_TILE:
mCallbacks.clickTile((ComponentName) msg.obj);
break;
case MSG_TOGGLE_APP_SPLIT_SCREEN:
mCallbacks.toggleSplitScreen();
break;
case MSG_HANDLE_SYSNAV_KEY:
mCallbacks.handleSystemNavigationKey(msg.arg1);
break;
}
}
}
}