} else {
// We only load the page synchronously if the user rotates (or triggers a
// configuration change) while launcher is in the foreground
- mModel.startLoader(mWorkspace.getRestorePage());
+ if (!mModel.startLoader(mWorkspace.getRestorePage())) {
+ // If we are not binding synchronously, show a fade in animation when
+ // the first page bind completes.
+ mDragLayer.setAlpha(0);
+ }
}
}
}
}
+ @Override
+ public void finishFirstPageBind(final ViewOnDrawExecutor executor) {
+ Runnable r = new Runnable() {
+ public void run() {
+ finishFirstPageBind(executor);
+ }
+ };
+ if (waitUntilResume(r)) {
+ return;
+ }
+
+ Runnable onComplete = new Runnable() {
+ @Override
+ public void run() {
+ if (executor != null) {
+ executor.onLoadAnimationCompleted();
+ }
+ }
+ };
+ if (mDragLayer.getAlpha() < 1) {
+ mDragLayer.animate().alpha(1).withEndAction(onComplete).start();
+ } else {
+ onComplete.run();
+ }
+ }
+
/**
* Callback saying that there aren't any more items to bind.
*
public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end,
boolean forceAnimateIcons);
public void bindScreens(ArrayList<Long> orderedScreenIds);
+ public void finishFirstPageBind(ViewOnDrawExecutor executor);
public void finishBindingItems();
public void bindAppWidget(LauncherAppWidgetInfo info);
public void bindAllApplications(ArrayList<AppInfo> apps);
return (mCallbacks != null && mCallbacks.get() == callbacks);
}
- public void startLoader(int synchronousBindPage) {
+ /**
+ * Starts the loader. Tries to bind {@params synchronousBindPage} synchronously if possible.
+ * @return true if the page could be bound synchronously.
+ */
+ public boolean startLoader(int synchronousBindPage) {
// Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems
InstallShortcutReceiver.enableInstallQueue();
synchronized (mLock) {
if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE && mAllAppsLoaded
&& mWorkspaceLoaded && mDeepShortcutsLoaded && !mIsLoaderTaskRunning) {
mLoaderTask.runBindSynchronousPage(synchronousBindPage);
+ return true;
} else {
sWorkerThread.setPriority(Thread.NORM_PRIORITY);
sWorker.post(mLoaderTask);
}
}
}
+ return false;
}
public void stopLoader() {
orderedScreenIds.addAll(sBgWorkspaceScreens);
}
- final boolean isLoadingSynchronously =
- synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE;
- int currScreen = isLoadingSynchronously ? synchronizeBindPage :
- oldCallbacks.getCurrentWorkspaceScreen();
- if (currScreen >= orderedScreenIds.size()) {
- // There may be no workspace screens (just hotseat items and an empty page).
- currScreen = PagedView.INVALID_RESTORE_PAGE;
+ final int currentScreen;
+ {
+ int currScreen = synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE
+ ? synchronizeBindPage : oldCallbacks.getCurrentWorkspaceScreen();
+ if (currScreen >= orderedScreenIds.size()) {
+ // There may be no workspace screens (just hotseat items and an empty page).
+ currScreen = PagedView.INVALID_RESTORE_PAGE;
+ }
+ currentScreen = currScreen;
}
- final int currentScreen = currScreen;
- final long currentScreenId = currentScreen < 0
- ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen);
+ final boolean validFirstPage = currentScreen >= 0;
+ final long currentScreenId =
+ validFirstPage ? orderedScreenIds.get(currentScreen) : INVALID_SCREEN_ID;
// Separate the items that are on the current screen, and all the other remaining items
ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<>();
// Load items on the current page.
bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, mainExecutor);
- // In case of isLoadingSynchronously, only bind the first screen, and defer binding the
- // remaining screens after first onDraw is called. This ensures that the first screen
- // is immediately visible (eg. during rotation)
- // In case of !isLoadingSynchronously, bind all pages one after other.
- final Executor deferredExecutor = isLoadingSynchronously ?
- new ViewOnDrawExecutor(mHandler) : mainExecutor;
+ // In case of validFirstPage, only bind the first screen, and defer binding the
+ // remaining screens after first onDraw (and an optional the fade animation whichever
+ // happens later).
+ // This ensures that the first screen is immediately visible (eg. during rotation)
+ // In case of !validFirstPage, bind all pages one after other.
+ final Executor deferredExecutor =
+ validFirstPage ? new ViewOnDrawExecutor(mHandler) : mainExecutor;
+
+ mainExecutor.execute(new Runnable() {
+ @Override
+ public void run() {
+ Callbacks callbacks = tryGetCallbacks(oldCallbacks);
+ if (callbacks != null) {
+ callbacks.finishFirstPageBind(
+ validFirstPage ? (ViewOnDrawExecutor) deferredExecutor : null);
+ }
+ }
+ });
bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, deferredExecutor);
};
deferredExecutor.execute(r);
- if (isLoadingSynchronously) {
+ if (validFirstPage) {
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
package com.android.launcher3.util;
+import android.util.Log;
import android.view.View;
import android.view.View.OnAttachStateChangeListener;
import android.view.ViewTreeObserver.OnDrawListener;
private View mAttachedView;
private boolean mCompleted;
+ private boolean mLoadAnimationCompleted;
+ private boolean mFirstDrawCompleted;
+
public ViewOnDrawExecutor(DeferredHandler handler) {
mHandler = handler;
}
@Override
public void onDraw() {
+ mFirstDrawCompleted = true;
mAttachedView.post(this);
}
+ public void onLoadAnimationCompleted() {
+ mLoadAnimationCompleted = true;
+ if (mAttachedView != null) {
+ mAttachedView.post(this);
+ }
+ }
+
@Override
public void run() {
- for (final Runnable r : mTasks) {
- mHandler.post(r);
+ // Post the pending tasks after both onDraw and onLoadAnimationCompleted have been called.
+ if (mLoadAnimationCompleted && mFirstDrawCompleted && !mCompleted) {
+ for (final Runnable r : mTasks) {
+ mHandler.post(r);
+ }
+ markCompleted();
}
- markCompleted();
}
public void markCompleted() {
mTasks.clear();
+ mCompleted = true;
if (mAttachedView != null) {
mAttachedView.getViewTreeObserver().removeOnDrawListener(this);
mAttachedView.removeOnAttachStateChangeListener(this);