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/*
* Copyright (C) 2018 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;
import static com.android.launcher3.util.DisplayController.CHANGE_ROTATION;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Point;
import android.graphics.Rect;
import android.os.Bundle;
import android.view.ActionMode;
import android.view.Display;
import android.view.View;
import androidx.annotation.MainThread;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.touch.ItemClickHandler;
import com.android.launcher3.util.ActivityOptionsWrapper;
import com.android.launcher3.util.DisplayController;
import com.android.launcher3.util.DisplayController.DisplayInfoChangeListener;
import com.android.launcher3.util.DisplayController.Info;
import com.android.launcher3.util.OnColorHintListener;
import com.android.launcher3.util.Themes;
import com.android.launcher3.util.TraceHelper;
import com.android.launcher3.util.WallpaperColorHints;
import com.android.launcher3.util.WindowBounds;
/**
* Extension of BaseActivity allowing support for drag-n-drop
*/
@SuppressWarnings("NewApi")
public abstract class BaseDraggingActivity extends BaseActivity
implements OnColorHintListener, DisplayInfoChangeListener {
// When starting an action mode, setting this tag will cause the action mode to be cancelled
// automatically when user interacts with the launcher.
public static final Object AUTO_CANCEL_ACTION_MODE = new Object();
private ActionMode mCurrentActionMode;
protected boolean mIsSafeModeEnabled;
private int mThemeRes = R.style.AppTheme;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mIsSafeModeEnabled = TraceHelper.allowIpcs("isSafeMode",
() -> getPackageManager().isSafeMode());
DisplayController.INSTANCE.get(this).addChangeListener(this);
// Update theme
WallpaperColorHints.get(this).registerOnColorHintsChangedListener(this);
int themeRes = Themes.getActivityThemeRes(this);
if (themeRes != mThemeRes) {
mThemeRes = themeRes;
setTheme(themeRes);
}
}
@MainThread
@Override
public void onColorHintsChanged(int colorHints) {
updateTheme();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
updateTheme();
}
private void updateTheme() {
if (mThemeRes != Themes.getActivityThemeRes(this)) {
recreate();
}
}
@Override
public void onActionModeStarted(ActionMode mode) {
super.onActionModeStarted(mode);
mCurrentActionMode = mode;
}
@Override
public void onActionModeFinished(ActionMode mode) {
super.onActionModeFinished(mode);
mCurrentActionMode = null;
}
protected boolean isInAutoCancelActionMode() {
return mCurrentActionMode != null && AUTO_CANCEL_ACTION_MODE == mCurrentActionMode.getTag();
}
@Override
public boolean finishAutoCancelActionMode() {
if (isInAutoCancelActionMode()) {
mCurrentActionMode.finish();
return true;
}
return false;
}
public abstract <T extends View> T getOverviewPanel();
public abstract View getRootView();
public void returnToHomescreen() {
// no-op
}
@Override
@NonNull
public ActivityOptionsWrapper getActivityLaunchOptions(View v, @Nullable ItemInfo item) {
ActivityOptionsWrapper wrapper = super.getActivityLaunchOptions(v, item);
addEventCallback(EVENT_RESUMED, wrapper.onEndCallback::executeAllAndDestroy);
return wrapper;
}
@Override
public ActivityOptionsWrapper makeDefaultActivityOptions(int splashScreenStyle) {
ActivityOptionsWrapper wrapper = super.makeDefaultActivityOptions(splashScreenStyle);
addEventCallback(EVENT_RESUMED, wrapper.onEndCallback::executeAllAndDestroy);
return wrapper;
}
@Override
protected void onDestroy() {
super.onDestroy();
DisplayController.INSTANCE.get(this).removeChangeListener(this);
WallpaperColorHints.get(this).unregisterOnColorsChangedListener(this);
}
protected void onDeviceProfileInitiated() {
if (mDeviceProfile.isVerticalBarLayout()) {
mDeviceProfile.updateIsSeascape(this);
}
}
@Override
public void onDisplayInfoChanged(Context context, Info info, int flags) {
if ((flags & CHANGE_ROTATION) != 0 && mDeviceProfile.updateIsSeascape(this)) {
reapplyUi();
}
}
@Override
public View.OnClickListener getItemOnClickListener() {
return ItemClickHandler.INSTANCE;
}
protected abstract void reapplyUi();
protected WindowBounds getMultiWindowDisplaySize() {
if (Utilities.ATLEAST_R) {
return WindowBounds.fromWindowMetrics(getWindowManager().getCurrentWindowMetrics());
}
// Note: Calls to getSize() can't rely on our cached DefaultDisplay since it can return
// the app window size
Display display = getWindowManager().getDefaultDisplay();
Point mwSize = new Point();
display.getSize(mwSize);
return new WindowBounds(new Rect(0, 0, mwSize.x, mwSize.y), new Rect());
}
@Override
public boolean isAppBlockedForSafeMode() {
return mIsSafeModeEnabled;
}
}
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