Adding auto-advance to launcher
Change-Id: I96c88d35399057ccddc71dc93b974a39241a13da
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 549303d..4f6f7d8 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -47,12 +47,12 @@
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
-import android.content.Intent.ShortcutIconResource;
import android.content.IntentFilter;
+import android.content.Intent.ShortcutIconResource;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
@@ -67,6 +67,7 @@
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
+import android.os.Message;
import android.os.Parcelable;
import android.os.SystemClock;
import android.os.SystemProperties;
@@ -85,25 +86,27 @@
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
-import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.view.WindowManager;
+import android.view.View.OnLongClickListener;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.view.inputmethod.InputMethodManager;
+import android.widget.Advanceable;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.TabHost;
-import android.widget.TabHost.OnTabChangeListener;
-import android.widget.TabHost.TabContentFactory;
import android.widget.TextView;
import android.widget.Toast;
+import android.widget.TabHost.OnTabChangeListener;
+import android.widget.TabHost.TabContentFactory;
import com.android.common.Search;
import com.android.launcher.R;
+
/**
* Default launcher application.
*/
@@ -205,6 +208,7 @@
private HandleView mHandleView;
private AllAppsView mAllAppsGrid;
private TabHost mHomeCustomizationDrawer;
+ private boolean mAutoAdvanceRunning = false;
private PagedView mAllAppsPagedView = null;
private CustomizePagedView mCustomizePagedView = null;
@@ -228,6 +232,7 @@
private static LocaleConfiguration sLocaleConfiguration = null;
private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>();
+
private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>();
private ImageView mPreviousView;
@@ -241,6 +246,15 @@
private Intent mAppMarketIntent = null;
+ // Related to the auto-advancing of widgets
+ private final int ADVANCE_MSG = 1;
+ private final int mAdvanceInterval = 20000;
+ private final int mAdvanceStagger = 250;
+ private long mAutoAdvanceSentTime;
+ private long mAutoAdvanceTimeLeft = -1;
+ private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance =
+ new HashMap<View, AppWidgetProviderInfo>();
+
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@@ -1060,7 +1074,6 @@
}
}
-
/**
* Add a widget to the workspace.
*
@@ -1133,18 +1146,128 @@
mWorkspace.addInScreen(launcherInfo.hostView, screen, cellXY[0], cellXY[1],
launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked());
+
+ addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo);
}
}
- void showOutOfSpaceMessage() {
- Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show();
+ private boolean mUserPresent = true;
+ private boolean mVisible = false;
+
+ private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ final String action = intent.getAction();
+ if (Intent.ACTION_SCREEN_OFF.equals(action)) {
+ mUserPresent = false;
+ updateRunning();
+ } else if (Intent.ACTION_USER_PRESENT.equals(action)) {
+ mUserPresent = true;
+ updateRunning();
+ }
+ }
+ };
+
+ @Override
+ public void onAttachedToWindow() {
+ super.onAttachedToWindow();
+
+ // Listen for broadcasts related to user-presence
+ final IntentFilter filter = new IntentFilter();
+ filter.addAction(Intent.ACTION_SCREEN_OFF);
+ filter.addAction(Intent.ACTION_USER_PRESENT);
+ registerReceiver(mReceiver, filter);
+
+ mVisible = true;
+ }
+
+ @Override
+ public void onDetachedFromWindow() {
+ super.onDetachedFromWindow();
+ mVisible = false;
+
+ unregisterReceiver(mReceiver);
+ updateRunning();
+ }
+
+ public void onWindowVisibilityChanged(int visibility) {
+ mVisible = visibility == View.VISIBLE;
+ updateRunning();
+ }
+
+ private void sendAdvanceMessage(long delay) {
+ mHandler.removeMessages(ADVANCE_MSG);
+ Message msg = mHandler.obtainMessage(ADVANCE_MSG);
+ mHandler.sendMessageDelayed(msg, delay);
+ mAutoAdvanceSentTime = System.currentTimeMillis();
+ }
+
+ private void updateRunning() {
+ boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty();
+ if (autoAdvanceRunning != mAutoAdvanceRunning) {
+ mAutoAdvanceRunning = autoAdvanceRunning;
+ if (autoAdvanceRunning) {
+ long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft;
+ sendAdvanceMessage(delay);
+ } else {
+ if (!mWidgetsToAdvance.isEmpty()) {
+ mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval -
+ (System.currentTimeMillis() - mAutoAdvanceSentTime));
+ }
+ mHandler.removeMessages(ADVANCE_MSG);
+ }
+ }
+ }
+
+ private final Handler mHandler = new Handler() {
+ @Override
+ public void handleMessage(Message msg) {
+ if (msg.what == ADVANCE_MSG) {
+ int i = 0;
+ for (View key: mWidgetsToAdvance.keySet()) {
+ final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId);
+ final int delay = mAdvanceStagger * i;
+ if (v instanceof Advanceable) {
+ postDelayed(new Runnable() {
+ public void run() {
+ ((Advanceable) v).advance();
+ }
+ }, delay);
+ }
+ i++;
+ }
+ sendAdvanceMessage(mAdvanceInterval);
+ }
+ }
+ };
+
+ void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) {
+ if (appWidgetInfo.autoAdvanceViewId == -1) return;
+ View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId);
+ if (v instanceof Advanceable) {
+ mWidgetsToAdvance.put(hostView, appWidgetInfo);
+ ((Advanceable) v).willBeAdvancedByHost();
+ updateRunning();
+ }
+ }
+
+ void removeWidgetToAutoAdvance(View hostView) {
+ if (mWidgetsToAdvance.containsKey(hostView)) {
+ mWidgetsToAdvance.remove(hostView);
+ updateRunning();
+ }
}
public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) {
mDesktopItems.remove(launcherInfo);
+ removeWidgetToAutoAdvance(launcherInfo.hostView);
launcherInfo.hostView = null;
}
+ void showOutOfSpaceMessage() {
+ Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show();
+ }
+
public LauncherAppWidgetHost getAppWidgetHost() {
return mAppWidgetHost;
}
@@ -3064,6 +3187,8 @@
workspace.addInScreen(item.hostView, item.screen, item.cellX,
item.cellY, item.spanX, item.spanY, false);
+ addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo);
+
workspace.requestLayout();
mDesktopItems.add(item);