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Added accessibility support for the home/all app togle in Launcher2

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bug:3307225

1. Added code to fire accessibility events on transition to all apps
   and to home and to appropriately populate the generated
   accessibility event depending on the context in which it is fired.

Change-Id: Icd1ceb3b2556b6f416829d58b4ac7df42d61936c
This commit is contained in:
Svetoslav Ganov
2011-01-07 14:55:17 -08:00
parent 413fe14bff
commit 815ba2d2ea
1 changed files with 22 additions and 1 deletions
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23
src/com/android/launcher2/Launcher.java
View File

@@ -88,6 +88,7 @@ import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.View.OnLongClickListener;
import android.view.accessibility.AccessibilityEvent;
import android.view.inputmethod.InputMethodManager;
import android.widget.Advanceable;
import android.widget.EditText;
@@ -416,6 +417,21 @@ public final class Launcher extends Activity
}
}
@Override
public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
super.dispatchPopulateAccessibilityEvent(event);
// we want to take over text population so it is context dependent
event.getText().clear();
if (mState == State.ALL_APPS) {
event.getText().add(getString(R.string.all_apps_button_label));
} else if (mState == State.WORKSPACE) {
event.getText().add(getString(R.string.all_apps_home_button_label));
}
return true;
}
private void checkForLocaleChange() {
if (sLocaleConfiguration == null) {
new AsyncTask<Void, Void, LocaleConfiguration>() {
@@ -2878,8 +2894,10 @@ public final class Launcher extends Activity
// Change the state *after* we've called all the transition code
mState = State.ALL_APPS;
}
// send an accessibility event to announce the context change
getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
}
void showWorkspace(boolean animated) {
showWorkspace(animated, null);
@@ -2901,6 +2919,9 @@ public final class Launcher extends Activity
// Change the state *after* we've called all the transition code
mState = State.WORKSPACE;
// send an accessibility event to announce the context change
getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
}
void enterSpringLoadedDragMode(CellLayout layout) {