| /* |
| * 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 android.view; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.graphics.Rect; |
| import android.util.ArraySet; |
| import android.util.SparseArray; |
| import android.view.SurfaceControl.Transaction; |
| import android.view.WindowInsets.Type.InsetType; |
| import android.view.InsetsState.InternalInsetType; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Implements {@link WindowInsetsController} on the client. |
| * @hide |
| */ |
| public class InsetsController implements WindowInsetsController { |
| |
| private final InsetsState mState = new InsetsState(); |
| private final Rect mFrame = new Rect(); |
| private final SparseArray<InsetsSourceConsumer> mSourceConsumers = new SparseArray<>(); |
| |
| private final SparseArray<InsetsSourceControl> mTmpControlArray = new SparseArray<>(); |
| |
| void onFrameChanged(Rect frame) { |
| mFrame.set(frame); |
| } |
| |
| public InsetsState getState() { |
| return mState; |
| } |
| |
| public void setState(InsetsState state) { |
| mState.set(state); |
| } |
| |
| /** |
| * @see InsetsState#calculateInsets |
| */ |
| WindowInsets calculateInsets(boolean isScreenRound, |
| boolean alwaysConsumeNavBar, DisplayCutout cutout) { |
| return mState.calculateInsets(mFrame, isScreenRound, alwaysConsumeNavBar, cutout); |
| } |
| |
| /** |
| * Called when the server has dispatched us a new set of inset controls. |
| */ |
| public void onControlsChanged(InsetsSourceControl[] activeControls) { |
| if (activeControls != null) { |
| for (InsetsSourceControl activeControl : activeControls) { |
| mTmpControlArray.put(activeControl.getType(), activeControl); |
| } |
| } |
| |
| // Ensure to update all existing source consumers |
| for (int i = mSourceConsumers.size() - 1; i >= 0; i--) { |
| final InsetsSourceConsumer consumer = mSourceConsumers.valueAt(i); |
| final InsetsSourceControl control = mTmpControlArray.get(consumer.getType()); |
| |
| // control may be null, but we still need to update the control to null if it got |
| // revoked. |
| consumer.setControl(control); |
| } |
| |
| // Ensure to create source consumers if not available yet. |
| for (int i = mTmpControlArray.size() - 1; i >= 0; i--) { |
| final InsetsSourceControl control = mTmpControlArray.valueAt(i); |
| getSourceConsumer(control.getType()).setControl(control); |
| } |
| mTmpControlArray.clear(); |
| } |
| |
| @Override |
| public void show(@InsetType int types) { |
| final ArraySet<Integer> internalTypes = InsetsState.toInternalType(types); |
| for (int i = internalTypes.size() - 1; i >= 0; i--) { |
| getSourceConsumer(internalTypes.valueAt(i)).show(); |
| } |
| } |
| |
| @Override |
| public void hide(@InsetType int types) { |
| final ArraySet<Integer> internalTypes = InsetsState.toInternalType(types); |
| for (int i = internalTypes.size() - 1; i >= 0; i--) { |
| getSourceConsumer(internalTypes.valueAt(i)).hide(); |
| } |
| } |
| |
| @VisibleForTesting |
| public @NonNull InsetsSourceConsumer getSourceConsumer(@InternalInsetType int type) { |
| InsetsSourceConsumer controller = mSourceConsumers.get(type); |
| if (controller != null) { |
| return controller; |
| } |
| controller = new InsetsSourceConsumer(type, mState, Transaction::new); |
| mSourceConsumers.put(type, controller); |
| return controller; |
| } |
| |
| void dump(String prefix, PrintWriter pw) { |
| pw.println(prefix); pw.println("InsetsController:"); |
| mState.dump(prefix + " ", pw); |
| } |
| } |