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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.searchlauncher;
import com.android.launcher3.Launcher;
import com.android.launcher3.Launcher.LauncherOverlay;
import com.android.launcher3.Launcher.LauncherOverlayCallbacks;
import com.google.android.libraries.gsa.launcherclient.LauncherClient;
import com.google.android.libraries.gsa.launcherclient.LauncherClientCallbacks;
/**
* Implements {@link LauncherOverlay} and passes all the corresponding events to {@link
* LauncherClient}. {@see setClient}
*
* <p>Implements {@link LauncherClientCallbacks} and sends all the corresponding callbacks to {@link
* Launcher}.
*/
public class OverlayCallbackImpl implements LauncherOverlay, LauncherClientCallbacks {
private final Launcher mLauncher;
private LauncherClient mClient;
private LauncherOverlayCallbacks mLauncherOverlayCallbacks;
private boolean mWasOverlayAttached = false;
public OverlayCallbackImpl(Launcher launcher) {
mLauncher = launcher;
}
public void setClient(LauncherClient client) {
mClient = client;
}
@Override
public void onServiceStateChanged(boolean overlayAttached, boolean hotwordActive) {
if (overlayAttached != mWasOverlayAttached) {
mWasOverlayAttached = overlayAttached;
mLauncher.setLauncherOverlay(overlayAttached ? this : null);
}
}
@Override
public void onOverlayScrollChanged(float progress) {
if (mLauncherOverlayCallbacks != null) {
mLauncherOverlayCallbacks.onScrollChanged(progress);
}
}
@Override
public void onScrollInteractionBegin() {
mClient.startMove();
}
@Override
public void onScrollInteractionEnd() {
mClient.endMove();
}
@Override
public void onScrollChange(float progress, boolean rtl) {
mClient.updateMove(progress);
}
@Override
public void setOverlayCallbacks(Launcher.LauncherOverlayCallbacks callbacks) {
mLauncherOverlayCallbacks = callbacks;
}
}
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