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/*
* Copyright (C) 2016 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.launcher3.accessibility;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.View.AccessibilityDelegate;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
import com.android.launcher3.Launcher;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
/**
* Accessibility delegate with actions pointing to various Overview entry points.
*/
public class OverviewAccessibilityDelegate extends AccessibilityDelegate {
private static final int OVERVIEW = R.string.accessibility_action_overview;
private static final int WALLPAPERS = R.string.wallpaper_button_text;
private static final int WIDGETS = R.string.widget_button_text;
private static final int SETTINGS = R.string.settings_button_text;
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(host, info);
Context context = host.getContext();
info.addAction(new AccessibilityAction(OVERVIEW, context.getText(OVERVIEW)));
if (Utilities.isWallapaperAllowed(context)) {
info.addAction(new AccessibilityAction(WALLPAPERS, context.getText(WALLPAPERS)));
}
info.addAction(new AccessibilityAction(WIDGETS, context.getText(WIDGETS)));
info.addAction(new AccessibilityAction(SETTINGS, context.getText(SETTINGS)));
}
@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
Launcher launcher = Launcher.getLauncher(host.getContext());
if (action == OVERVIEW) {
launcher.showOverviewMode(true);
return true;
} else if (action == WALLPAPERS) {
launcher.onClickWallpaperPicker(host);
return true;
} else if (action == WIDGETS) {
launcher.onClickAddWidgetButton(host);
return true;
} else if (action == SETTINGS) {
launcher.onClickSettingsButton(host);
return true;
}
return super.performAccessibilityAction(host, action, args);
}
}
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