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/*
* Copyright 2021 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.taskbar;
import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS;
import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
import android.os.Bundle;
import androidx.annotation.IntDef;
import com.android.launcher3.testing.TestLogging;
import com.android.launcher3.testing.TestProtocol;
import com.android.quickstep.OverviewCommandHelper;
import com.android.quickstep.SystemUiProxy;
import com.android.quickstep.TouchInteractionService;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Controller for 3 button mode in the taskbar.
* Handles all the functionality of the various buttons, making/routing the right calls into
* launcher or sysui/system.
*/
public class TaskbarNavButtonController {
@Retention(RetentionPolicy.SOURCE)
@IntDef(value = {
BUTTON_BACK,
BUTTON_HOME,
BUTTON_RECENTS,
BUTTON_IME_SWITCH,
BUTTON_A11Y,
})
public @interface TaskbarButton {}
static final int BUTTON_BACK = 1;
static final int BUTTON_HOME = BUTTON_BACK << 1;
static final int BUTTON_RECENTS = BUTTON_HOME << 1;
static final int BUTTON_IME_SWITCH = BUTTON_RECENTS << 1;
static final int BUTTON_A11Y = BUTTON_IME_SWITCH << 1;
private final TouchInteractionService mService;
public TaskbarNavButtonController(TouchInteractionService service) {
mService = service;
}
public void onButtonClick(@TaskbarButton int buttonType) {
switch (buttonType) {
case BUTTON_BACK:
executeBack();
break;
case BUTTON_HOME:
navigateHome();
break;
case BUTTON_RECENTS:
navigateToOverview();;
break;
case BUTTON_IME_SWITCH:
showIMESwitcher();
break;
case BUTTON_A11Y:
notifyImeClick(false /* longClick */);
break;
}
}
public boolean onButtonLongClick(@TaskbarButton int buttonType) {
switch (buttonType) {
case BUTTON_HOME:
startAssistant();
return true;
case BUTTON_A11Y:
notifyImeClick(true /* longClick */);
return true;
case BUTTON_BACK:
case BUTTON_IME_SWITCH:
case BUTTON_RECENTS:
default:
return false;
}
}
private void navigateHome() {
mService.getOverviewCommandHelper().addCommand(OverviewCommandHelper.TYPE_HOME);
}
private void navigateToOverview() {
TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "onOverviewToggle");
mService.getOverviewCommandHelper().addCommand(OverviewCommandHelper.TYPE_TOGGLE);
}
private void executeBack() {
SystemUiProxy.INSTANCE.getNoCreate().onBackPressed();
}
private void showIMESwitcher() {
SystemUiProxy.INSTANCE.getNoCreate().onImeSwitcherPressed();
}
private void notifyImeClick(boolean longClick) {
SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.getNoCreate();
if (longClick) {
systemUiProxy.notifyAccessibilityButtonLongClicked();
} else {
systemUiProxy.notifyAccessibilityButtonClicked(mService.getDisplayId());
}
}
private void startAssistant() {
Bundle args = new Bundle();
args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS);
SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.getNoCreate();
systemUiProxy.startAssistant(args);
}
}
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