| /* |
| * 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 static android.view.InsetsState.ISIDE_BOTTOM; |
| import static android.view.InsetsState.ISIDE_FLOATING; |
| import static android.view.InsetsState.ISIDE_LEFT; |
| import static android.view.InsetsState.ISIDE_RIGHT; |
| import static android.view.InsetsState.ISIDE_TOP; |
| |
| import android.annotation.Nullable; |
| import android.graphics.Insets; |
| import android.graphics.Matrix; |
| import android.graphics.Rect; |
| import android.util.ArraySet; |
| import android.util.SparseArray; |
| import android.util.SparseIntArray; |
| import android.util.SparseSetArray; |
| import android.view.InsetsState.InternalInsetsSide; |
| import android.view.SyncRtSurfaceTransactionApplier.SurfaceParams; |
| import android.view.WindowInsets.Type.InsetsType; |
| import android.view.WindowInsetsAnimationCallback.AnimationBounds; |
| import android.view.WindowInsetsAnimationCallback.InsetsAnimation; |
| import android.view.WindowManager.LayoutParams; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Implements {@link WindowInsetsAnimationController} |
| * @hide |
| */ |
| @VisibleForTesting |
| public class InsetsAnimationControlImpl implements WindowInsetsAnimationController { |
| |
| private final Rect mTmpFrame = new Rect(); |
| |
| private final WindowInsetsAnimationControlListener mListener; |
| private final SparseArray<InsetsSourceControl> mControls; |
| private final SparseIntArray mTypeSideMap = new SparseIntArray(); |
| private final SparseSetArray<InsetsSourceControl> mSideSourceMap = new SparseSetArray<>(); |
| |
| /** @see WindowInsetsAnimationController#getHiddenStateInsets */ |
| private final Insets mHiddenInsets; |
| |
| /** @see WindowInsetsAnimationController#getShownStateInsets */ |
| private final Insets mShownInsets; |
| private final Matrix mTmpMatrix = new Matrix(); |
| private final InsetsState mInitialInsetsState; |
| private final @InsetsType int mTypes; |
| private final InsetsAnimationControlCallbacks mController; |
| private final WindowInsetsAnimationCallback.InsetsAnimation mAnimation; |
| private final Rect mFrame; |
| private final boolean mFade; |
| private Insets mCurrentInsets; |
| private Insets mPendingInsets; |
| private float mPendingFraction; |
| private boolean mFinished; |
| private boolean mCancelled; |
| private boolean mShownOnFinish; |
| private float mCurrentAlpha; |
| private float mPendingAlpha; |
| |
| @VisibleForTesting |
| public InsetsAnimationControlImpl(SparseArray<InsetsSourceControl> controls, Rect frame, |
| InsetsState state, WindowInsetsAnimationControlListener listener, |
| @InsetsType int types, |
| InsetsAnimationControlCallbacks controller, long durationMs, boolean fade) { |
| mControls = controls; |
| mListener = listener; |
| mTypes = types; |
| mFade = fade; |
| mController = controller; |
| mInitialInsetsState = new InsetsState(state, true /* copySources */); |
| mCurrentInsets = getInsetsFromState(mInitialInsetsState, frame, null /* typeSideMap */); |
| mHiddenInsets = calculateInsets(mInitialInsetsState, frame, controls, false /* shown */, |
| null /* typeSideMap */); |
| mShownInsets = calculateInsets(mInitialInsetsState, frame, controls, true /* shown */, |
| mTypeSideMap); |
| mFrame = new Rect(frame); |
| buildTypeSourcesMap(mTypeSideMap, mSideSourceMap, mControls); |
| |
| // TODO: Check for controllability first and wait for IME if needed. |
| listener.onReady(this, types); |
| |
| mAnimation = new WindowInsetsAnimationCallback.InsetsAnimation(mTypes, |
| InsetsController.INTERPOLATOR, durationMs); |
| mAnimation.setAlpha(getCurrentAlpha()); |
| mController.dispatchAnimationStarted(mAnimation, |
| new AnimationBounds(mHiddenInsets, mShownInsets)); |
| } |
| |
| @Override |
| public Insets getHiddenStateInsets() { |
| return mHiddenInsets; |
| } |
| |
| @Override |
| public Insets getShownStateInsets() { |
| return mShownInsets; |
| } |
| |
| @Override |
| public Insets getCurrentInsets() { |
| return mCurrentInsets; |
| } |
| |
| @Override |
| public float getCurrentAlpha() { |
| return mCurrentAlpha; |
| } |
| |
| @Override |
| @InsetsType public int getTypes() { |
| return mTypes; |
| } |
| |
| @Override |
| public void setInsetsAndAlpha(Insets insets, float alpha, float fraction) { |
| if (mFinished) { |
| throw new IllegalStateException( |
| "Can't change insets on an animation that is finished."); |
| } |
| if (mCancelled) { |
| throw new IllegalStateException( |
| "Can't change insets on an animation that is cancelled."); |
| } |
| mPendingFraction = sanitize(fraction); |
| mPendingInsets = sanitize(insets); |
| mPendingAlpha = 1 - sanitize(alpha); |
| mController.scheduleApplyChangeInsets(); |
| } |
| |
| @VisibleForTesting |
| /** |
| * @return Whether the finish callback of this animation should be invoked. |
| */ |
| public boolean applyChangeInsets(InsetsState state) { |
| if (mCancelled) { |
| return false; |
| } |
| final Insets offset = Insets.subtract(mShownInsets, mPendingInsets); |
| final Float alphaOffset = 1 - mPendingAlpha; |
| ArrayList<SurfaceParams> params = new ArrayList<>(); |
| updateLeashesForSide(ISIDE_LEFT, offset.left, mShownInsets.left, mPendingInsets.left, |
| params, state, alphaOffset); |
| updateLeashesForSide(ISIDE_TOP, offset.top, mShownInsets.top, mPendingInsets.top, params, |
| state, alphaOffset); |
| updateLeashesForSide(ISIDE_RIGHT, offset.right, mShownInsets.right, mPendingInsets.right, |
| params, state, alphaOffset); |
| updateLeashesForSide(ISIDE_BOTTOM, offset.bottom, mShownInsets.bottom, |
| mPendingInsets.bottom, params, state, alphaOffset); |
| updateLeashesForSide(ISIDE_FLOATING, 0 /* offset */, 0 /* inset */, 0 /* maxInset */, |
| params, state, alphaOffset); |
| |
| mController.applySurfaceParams(params.toArray(new SurfaceParams[params.size()])); |
| mCurrentInsets = mPendingInsets; |
| mAnimation.setFraction(mPendingFraction); |
| mCurrentAlpha = 1 - alphaOffset; |
| if (mFinished) { |
| mController.notifyFinished(this, mShownOnFinish); |
| } |
| return mFinished; |
| } |
| |
| @Override |
| public void finish(boolean shown) { |
| if (mCancelled) { |
| return; |
| } |
| InsetsState state = new InsetsState(mController.getState()); |
| for (int i = mControls.size() - 1; i >= 0; i--) { |
| InsetsSourceControl control = mControls.valueAt(i); |
| state.getSource(control.getType()).setVisible(shown); |
| } |
| Insets insets = getInsetsFromState(state, mFrame, null /* typeSideMap */); |
| setInsetsAndAlpha(insets, 1f /* alpha */, shown ? 1f : 0f /* fraction */); |
| mFinished = true; |
| mShownOnFinish = shown; |
| } |
| |
| @Override |
| @VisibleForTesting |
| public float getCurrentFraction() { |
| return mAnimation.getFraction(); |
| } |
| |
| public void onCancelled() { |
| if (mFinished) { |
| return; |
| } |
| mCancelled = true; |
| mListener.onCancelled(); |
| } |
| |
| InsetsAnimation getAnimation() { |
| return mAnimation; |
| } |
| |
| WindowInsetsAnimationControlListener getListener() { |
| return mListener; |
| } |
| |
| private Insets calculateInsets(InsetsState state, Rect frame, |
| SparseArray<InsetsSourceControl> controls, boolean shown, |
| @Nullable @InternalInsetsSide SparseIntArray typeSideMap) { |
| for (int i = controls.size() - 1; i >= 0; i--) { |
| // control may be null if it got revoked. |
| if (controls.valueAt(i) == null) continue; |
| state.getSource(controls.valueAt(i).getType()).setVisible(shown); |
| } |
| return getInsetsFromState(state, frame, typeSideMap); |
| } |
| |
| private Insets getInsetsFromState(InsetsState state, Rect frame, |
| @Nullable @InternalInsetsSide SparseIntArray typeSideMap) { |
| return state.calculateInsets(frame, false /* isScreenRound */, |
| false /* alwaysConsumeSystemBars */, null /* displayCutout */, |
| null /* legacyContentInsets */, null /* legacyStableInsets */, |
| LayoutParams.SOFT_INPUT_ADJUST_RESIZE /* legacySoftInputMode*/, typeSideMap) |
| .getInsets(mTypes); |
| } |
| |
| private Insets sanitize(Insets insets) { |
| if (insets == null) { |
| insets = getCurrentInsets(); |
| } |
| return Insets.max(Insets.min(insets, mShownInsets), mHiddenInsets); |
| } |
| |
| private static float sanitize(float alpha) { |
| return alpha >= 1 ? 1 : (alpha <= 0 ? 0 : alpha); |
| } |
| |
| private void updateLeashesForSide(@InternalInsetsSide int side, int offset, int inset, |
| int maxInset, ArrayList<SurfaceParams> surfaceParams, InsetsState state, Float alpha) { |
| ArraySet<InsetsSourceControl> items = mSideSourceMap.get(side); |
| if (items == null) { |
| return; |
| } |
| // TODO: Implement behavior when inset spans over multiple types |
| for (int i = items.size() - 1; i >= 0; i--) { |
| final InsetsSourceControl control = items.valueAt(i); |
| final InsetsSource source = mInitialInsetsState.getSource(control.getType()); |
| if (control == null) { |
| // TODO: remove this check when we ensure the elements will not be null. |
| continue; |
| } |
| final SurfaceControl leash = control.getLeash(); |
| |
| mTmpMatrix.setTranslate(control.getSurfacePosition().x, control.getSurfacePosition().y); |
| mTmpFrame.set(source.getFrame()); |
| addTranslationToMatrix(side, offset, mTmpMatrix, mTmpFrame); |
| |
| state.getSource(source.getType()).setFrame(mTmpFrame); |
| |
| // If the system is controlling the insets source, the leash can be null. |
| if (leash != null) { |
| // TODO: use a better interpolation for fade. |
| alpha = mFade ? ((float) maxInset / inset * 0.3f + 0.7f) : alpha; |
| surfaceParams.add(new SurfaceParams(leash, alpha, mTmpMatrix, |
| null /* windowCrop */, 0 /* layer */, 0f /* cornerRadius*/, |
| side == ISIDE_FLOATING ? state.getSource(source.getType()).isVisible() |
| : inset != 0 /* visible */)); |
| } |
| } |
| } |
| |
| private void addTranslationToMatrix(@InternalInsetsSide int side, int inset, Matrix m, |
| Rect frame) { |
| switch (side) { |
| case ISIDE_LEFT: |
| m.postTranslate(-inset, 0); |
| frame.offset(-inset, 0); |
| break; |
| case ISIDE_TOP: |
| m.postTranslate(0, -inset); |
| frame.offset(0, -inset); |
| break; |
| case ISIDE_RIGHT: |
| m.postTranslate(inset, 0); |
| frame.offset(inset, 0); |
| break; |
| case ISIDE_BOTTOM: |
| m.postTranslate(0, inset); |
| frame.offset(0, inset); |
| break; |
| } |
| } |
| |
| private static void buildTypeSourcesMap(SparseIntArray typeSideMap, |
| SparseSetArray<InsetsSourceControl> sideSourcesMap, |
| SparseArray<InsetsSourceControl> controls) { |
| for (int i = typeSideMap.size() - 1; i >= 0; i--) { |
| final int type = typeSideMap.keyAt(i); |
| final int side = typeSideMap.valueAt(i); |
| final InsetsSourceControl control = controls.get(type); |
| if (control == null) { |
| // If the types that we are controlling are less than the types that the system has, |
| // there can be some null controllers. |
| continue; |
| } |
| sideSourcesMap.add(side, control); |
| } |
| } |
| } |