Adding home animation support for non-system Launcher am: 30ac97d938
Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12150115
Change-Id: I225841557201a377e74c1b380beeea65faa30a61
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java
index 1909f47..f60a50b 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -15,14 +15,35 @@
*/
package com.android.quickstep;
+import static android.content.Intent.EXTRA_COMPONENT_NAME;
+import static android.content.Intent.EXTRA_USER;
+
+import static com.android.launcher3.GestureNavContract.EXTRA_GESTURE_CONTRACT;
+import static com.android.launcher3.GestureNavContract.EXTRA_ICON_POSITION;
+import static com.android.launcher3.GestureNavContract.EXTRA_ICON_SURFACE;
+import static com.android.launcher3.GestureNavContract.EXTRA_REMOTE_CALLBACK;
import static com.android.launcher3.anim.Interpolators.ACCEL;
import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME;
import android.animation.ObjectAnimator;
+import android.annotation.TargetApi;
import android.app.ActivityOptions;
import android.content.Context;
import android.content.Intent;
import android.graphics.Matrix;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.ParcelUuid;
+import android.os.UserHandle;
+import android.view.Surface;
+import android.view.SurfaceControl;
+import android.view.SurfaceControl.Transaction;
import androidx.annotation.NonNull;
@@ -32,19 +53,33 @@
import com.android.launcher3.anim.PendingAnimation;
import com.android.launcher3.anim.SpringAnimationBuilder;
import com.android.quickstep.fallback.FallbackRecentsView;
+import com.android.quickstep.util.RectFSpringAnim;
import com.android.quickstep.util.TransformParams;
import com.android.quickstep.util.TransformParams.BuilderProxy;
+import com.android.systemui.shared.recents.model.Task.TaskKey;
import com.android.systemui.shared.system.ActivityManagerWrapper;
import com.android.systemui.shared.system.InputConsumerController;
import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
+import java.lang.ref.WeakReference;
+import java.util.UUID;
+import java.util.function.Consumer;
+
/**
* Handles the navigation gestures when a 3rd party launcher is the default home activity.
*/
+@TargetApi(Build.VERSION_CODES.R)
public class FallbackSwipeHandler extends
BaseSwipeUpHandlerV2<RecentsActivity, FallbackRecentsView> {
+ /**
+ * Message used for receiving gesture nav contract information. We use a static messenger to
+ * avoid leaking too make binders in case the receiving launcher does not handle the contract
+ * properly.
+ */
+ private static StaticMessageReceiver sMessageReceiver = null;
+
private FallbackHomeAnimationFactory mActiveAnimationFactory;
private final boolean mRunningOverHome;
@@ -89,7 +124,9 @@
protected HomeAnimationFactory createHomeAnimationFactory(long duration) {
mActiveAnimationFactory = new FallbackHomeAnimationFactory(duration);
ActivityOptions options = ActivityOptions.makeCustomAnimation(mContext, 0, 0);
- mContext.startActivity(new Intent(mGestureState.getHomeIntent()), options.toBundle());
+ Intent intent = new Intent(mGestureState.getHomeIntent());
+ mActiveAnimationFactory.addGestureContract(intent);
+ mContext.startActivity(intent, options.toBundle());
return mActiveAnimationFactory;
}
@@ -130,15 +167,19 @@
}
private class FallbackHomeAnimationFactory extends HomeAnimationFactory {
-
+ private final Rect mTempRect = new Rect();
private final TransformParams mHomeAlphaParams = new TransformParams();
private final AnimatedFloat mHomeAlpha;
private final AnimatedFloat mVerticalShiftForScale = new AnimatedFloat();
-
private final AnimatedFloat mRecentsAlpha = new AnimatedFloat();
+ private final RectF mTargetRect = new RectF();
+ private SurfaceControl mSurfaceControl;
+
private final long mDuration;
+
+ private RectFSpringAnim mSpringAnim;
FallbackHomeAnimationFactory(long duration) {
mDuration = duration;
@@ -161,6 +202,15 @@
this::updateRecentsActivityTransformDuringHomeAnim);
}
+ @NonNull
+ @Override
+ public RectF getWindowTargetRect() {
+ if (mTargetRect.isEmpty()) {
+ mTargetRect.set(super.getWindowTargetRect());
+ }
+ return mTargetRect;
+ }
+
private void updateRecentsActivityTransformDuringHomeAnim(SurfaceParams.Builder builder,
RemoteAnimationTargetCompat app, TransformParams params) {
builder.withAlpha(mRecentsAlpha.value);
@@ -217,5 +267,87 @@
.start();
}
}
+
+ @Override
+ public void setAnimation(RectFSpringAnim anim) {
+ mSpringAnim = anim;
+ }
+
+ private void onMessageReceived(Message msg) {
+ try {
+ Bundle data = msg.getData();
+ RectF position = data.getParcelable(EXTRA_ICON_POSITION);
+ if (!position.isEmpty()) {
+ mSurfaceControl = data.getParcelable(EXTRA_ICON_SURFACE);
+ mTargetRect.set(position);
+ if (mSpringAnim != null) {
+ mSpringAnim.onTargetPositionChanged();
+ }
+ }
+ } catch (Exception e) {
+ // Ignore
+ }
+ }
+
+ @Override
+ public void update(RectF currentRect, float progress, float radius) {
+ if (mSurfaceControl != null) {
+ currentRect.roundOut(mTempRect);
+ Transaction t = new Transaction();
+ t.setGeometry(mSurfaceControl, null, mTempRect, Surface.ROTATION_0);
+ t.apply();
+ }
+ }
+
+ private void addGestureContract(Intent intent) {
+ if (mRunningOverHome || mGestureState.getRunningTask() == null) {
+ return;
+ }
+
+ TaskKey key = new TaskKey(mGestureState.getRunningTask());
+ if (key.getComponent() != null) {
+ if (sMessageReceiver == null) {
+ sMessageReceiver = new StaticMessageReceiver();
+ }
+
+ Bundle gestureNavContract = new Bundle();
+ gestureNavContract.putParcelable(EXTRA_COMPONENT_NAME, key.getComponent());
+ gestureNavContract.putParcelable(EXTRA_USER, UserHandle.of(key.userId));
+ gestureNavContract.putParcelable(EXTRA_REMOTE_CALLBACK,
+ sMessageReceiver.newCallback(this::onMessageReceived));
+ intent.putExtra(EXTRA_GESTURE_CONTRACT, gestureNavContract);
+ }
+ }
+ }
+
+ private static class StaticMessageReceiver implements Handler.Callback {
+
+ private final Messenger mMessenger =
+ new Messenger(new Handler(Looper.getMainLooper(), this));
+
+ private ParcelUuid mCurrentUID = new ParcelUuid(UUID.randomUUID());
+ private WeakReference<Consumer<Message>> mCurrentCallback = new WeakReference<>(null);
+
+ public Message newCallback(Consumer<Message> callback) {
+ mCurrentUID = new ParcelUuid(UUID.randomUUID());
+ mCurrentCallback = new WeakReference<>(callback);
+
+ Message msg = Message.obtain();
+ msg.replyTo = mMessenger;
+ msg.obj = mCurrentUID;
+ return msg;
+ }
+
+ @Override
+ public boolean handleMessage(@NonNull Message message) {
+ if (mCurrentUID.equals(message.obj)) {
+ Consumer<Message> consumer = mCurrentCallback.get();
+ if (consumer != null) {
+ consumer.accept(message);
+ return true;
+ }
+ }
+ return false;
+ }
}
}
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 6b941be..235df42 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -111,6 +111,13 @@
}
@Override
+ protected void handleGestureContract(Intent intent) {
+ if (FeatureFlags.SEPARATE_RECENTS_ACTIVITY.get()) {
+ super.handleGestureContract(intent);
+ }
+ }
+
+ @Override
public void onTrimMemory(int level) {
super.onTrimMemory(level);
RecentsModel.INSTANCE.get(this).onTrimMemory(level);
diff --git a/res/layout/floating_surface_view.xml b/res/layout/floating_surface_view.xml
new file mode 100644
index 0000000..434e84f
--- /dev/null
+++ b/res/layout/floating_surface_view.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<com.android.launcher3.views.FloatingSurfaceView
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content" />
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index cd27a2d..ce37a30 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -62,7 +62,8 @@
TYPE_ALL_APPS_EDU,
TYPE_TASK_MENU,
- TYPE_OPTIONS_POPUP
+ TYPE_OPTIONS_POPUP,
+ TYPE_ICON_SURFACE
})
@Retention(RetentionPolicy.SOURCE)
public @interface FloatingViewType {}
@@ -80,16 +81,18 @@
// Popups related to quickstep UI
public static final int TYPE_TASK_MENU = 1 << 10;
public static final int TYPE_OPTIONS_POPUP = 1 << 11;
+ public static final int TYPE_ICON_SURFACE = 1 << 12;
public static final int TYPE_ALL = TYPE_FOLDER | TYPE_ACTION_POPUP
| TYPE_WIDGETS_BOTTOM_SHEET | TYPE_WIDGET_RESIZE_FRAME | TYPE_WIDGETS_FULL_SHEET
| TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE | TYPE_TASK_MENU
- | TYPE_OPTIONS_POPUP | TYPE_SNACKBAR | TYPE_LISTENER | TYPE_ALL_APPS_EDU;
+ | TYPE_OPTIONS_POPUP | TYPE_SNACKBAR | TYPE_LISTENER | TYPE_ALL_APPS_EDU
+ | TYPE_ICON_SURFACE;
// Type of popups which should be kept open during launcher rebind
public static final int TYPE_REBIND_SAFE = TYPE_WIDGETS_FULL_SHEET
| TYPE_WIDGETS_BOTTOM_SHEET | TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE
- | TYPE_ALL_APPS_EDU;
+ | TYPE_ALL_APPS_EDU | TYPE_ICON_SURFACE;
// Usually we show the back button when a floating view is open. Instead, hide for these types.
public static final int TYPE_HIDE_BACK_BUTTON = TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 48819cb..198f13d 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -614,6 +614,9 @@
@Override
public void setIconVisible(boolean visible) {
mIsIconVisible = visible;
+ if (!mIsIconVisible) {
+ resetIconScale();
+ }
Drawable icon = visible ? mIcon : new ColorDrawable(Color.TRANSPARENT);
applyCompoundDrawables(icon);
}
@@ -753,11 +756,14 @@
@Override
public SafeCloseable prepareDrawDragView() {
- if (getIcon() instanceof FastBitmapDrawable) {
- FastBitmapDrawable icon = (FastBitmapDrawable) getIcon();
- icon.setScale(1f);
- }
+ resetIconScale();
setForceHideDot(true);
return () -> { };
}
+
+ private void resetIconScale() {
+ if (mIcon instanceof FastBitmapDrawable) {
+ ((FastBitmapDrawable) mIcon).setScale(1f);
+ }
+ }
}
diff --git a/src/com/android/launcher3/GestureNavContract.java b/src/com/android/launcher3/GestureNavContract.java
new file mode 100644
index 0000000..2a7e629
--- /dev/null
+++ b/src/com/android/launcher3/GestureNavContract.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2020 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 android.content.Intent.EXTRA_COMPONENT_NAME;
+import static android.content.Intent.EXTRA_USER;
+
+import android.annotation.TargetApi;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.graphics.RectF;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.util.Log;
+import android.view.SurfaceControl;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Class to encapsulate the handshake protocol between Launcher and gestureNav.
+ */
+public class GestureNavContract {
+
+ private static final String TAG = "GestureNavContract";
+
+ public static final String EXTRA_GESTURE_CONTRACT = "gesture_nav_contract_v1";
+ public static final String EXTRA_ICON_POSITION = "gesture_nav_contract_icon_position";
+ public static final String EXTRA_ICON_SURFACE = "gesture_nav_contract_surface_control";
+ public static final String EXTRA_REMOTE_CALLBACK = "android.intent.extra.REMOTE_CALLBACK";
+
+ public final ComponentName componentName;
+ public final UserHandle user;
+
+ private final Message mCallback;
+
+ public GestureNavContract(ComponentName componentName, UserHandle user, Message callback) {
+ this.componentName = componentName;
+ this.user = user;
+ this.mCallback = callback;
+ }
+
+ /**
+ * Sends the position information to the receiver
+ */
+ @TargetApi(Build.VERSION_CODES.R)
+ public void sendEndPosition(RectF position, @Nullable SurfaceControl surfaceControl) {
+ Bundle result = new Bundle();
+ result.putParcelable(EXTRA_ICON_POSITION, position);
+ result.putParcelable(EXTRA_ICON_SURFACE, surfaceControl);
+
+ Message callback = Message.obtain();
+ callback.copyFrom(mCallback);
+ callback.setData(result);
+
+ try {
+ callback.replyTo.send(callback);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error sending icon position", e);
+ }
+ }
+
+ /**
+ * Clears and returns the GestureNavContract if it was present in the intent.
+ */
+ public static GestureNavContract fromIntent(Intent intent) {
+ if (!Utilities.ATLEAST_R) {
+ return null;
+ }
+ Bundle extras = intent.getBundleExtra(EXTRA_GESTURE_CONTRACT);
+ if (extras == null) {
+ return null;
+ }
+ intent.removeExtra(EXTRA_GESTURE_CONTRACT);
+
+ ComponentName componentName = extras.getParcelable(EXTRA_COMPONENT_NAME);
+ UserHandle userHandle = extras.getParcelable(EXTRA_USER);
+ Message callback = extras.getParcelable(EXTRA_REMOTE_CALLBACK);
+
+ if (componentName != null && userHandle != null && callback != null
+ && callback.replyTo != null) {
+ return new GestureNavContract(componentName, userHandle, callback);
+ }
+ return null;
+ }
+}
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index d06ae7a..4675362 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -21,6 +21,7 @@
import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;
import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
+import static com.android.launcher3.AbstractFloatingView.TYPE_ICON_SURFACE;
import static com.android.launcher3.AbstractFloatingView.TYPE_REBIND_SAFE;
import static com.android.launcher3.AbstractFloatingView.TYPE_SNACKBAR;
import static com.android.launcher3.InstallShortcutReceiver.FLAG_DRAG_AND_DROP;
@@ -168,6 +169,7 @@
import com.android.launcher3.util.UiThreadHelper;
import com.android.launcher3.util.ViewOnDrawExecutor;
import com.android.launcher3.views.ActivityContext;
+import com.android.launcher3.views.FloatingSurfaceView;
import com.android.launcher3.views.OptionsPopupView;
import com.android.launcher3.views.ScrimView;
import com.android.launcher3.widget.LauncherAppWidgetHostView;
@@ -509,6 +511,7 @@
public void onEnterAnimationComplete() {
super.onEnterAnimationComplete();
mRotationHelper.setCurrentTransitionRequest(REQUEST_NONE);
+ AbstractFloatingView.closeOpenViews(this, false, TYPE_ICON_SURFACE);
}
@Override
@@ -1450,6 +1453,7 @@
mLauncherCallbacks.onHomeIntent(internalStateHandled);
}
mOverlayManager.hideOverlay(isStarted() && !isForceInvisible());
+ handleGestureContract(intent);
} else if (Intent.ACTION_ALL_APPS.equals(intent.getAction())) {
getStateManager().goToState(ALL_APPS, alreadyOnHome);
}
@@ -1458,6 +1462,17 @@
}
/**
+ * Handles gesture nav contract
+ */
+ protected void handleGestureContract(Intent intent) {
+ GestureNavContract gnc = GestureNavContract.fromIntent(intent);
+ if (gnc != null) {
+ AbstractFloatingView.closeOpenViews(this, false, TYPE_ICON_SURFACE);
+ FloatingSurfaceView.show(this, gnc);
+ }
+ }
+
+ /**
* Hides the keyboard if visible
*/
public void hideKeyboard() {
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index 7cdde2e..8186dfa 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -196,13 +196,18 @@
layout(left, lp.topMargin, left + lp.width, lp.topMargin + lp.height);
}
+ private static void getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
+ RectF outRect) {
+ getLocationBoundsForView(launcher, v, isOpening, outRect, new Rect());
+ }
+
/**
* Gets the location bounds of a view and returns the overall rotation.
* - For DeepShortcutView, we return the bounds of the icon view.
* - For BubbleTextView, we return the icon bounds.
*/
- private static void getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
- RectF outRect) {
+ public static void getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
+ RectF outRect, Rect outViewBounds) {
boolean ignoreTransform = !isOpening;
if (v instanceof DeepShortcutView) {
v = ((DeepShortcutView) v).getBubbleText();
@@ -215,17 +220,16 @@
return;
}
- Rect iconBounds = new Rect();
if (v instanceof BubbleTextView) {
- ((BubbleTextView) v).getIconBounds(iconBounds);
+ ((BubbleTextView) v).getIconBounds(outViewBounds);
} else if (v instanceof FolderIcon) {
- ((FolderIcon) v).getPreviewBounds(iconBounds);
+ ((FolderIcon) v).getPreviewBounds(outViewBounds);
} else {
- iconBounds.set(0, 0, v.getWidth(), v.getHeight());
+ outViewBounds.set(0, 0, v.getWidth(), v.getHeight());
}
- float[] points = new float[] {iconBounds.left, iconBounds.top, iconBounds.right,
- iconBounds.bottom};
+ float[] points = new float[] {outViewBounds.left, outViewBounds.top, outViewBounds.right,
+ outViewBounds.bottom};
Utilities.getDescendantCoordRelativeToAncestor(v, launcher.getDragLayer(), points,
false, ignoreTransform);
outRect.set(
diff --git a/src/com/android/launcher3/views/FloatingSurfaceView.java b/src/com/android/launcher3/views/FloatingSurfaceView.java
new file mode 100644
index 0000000..040619e
--- /dev/null
+++ b/src/com/android/launcher3/views/FloatingSurfaceView.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2020 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.views;
+
+import static com.android.launcher3.views.FloatingIconView.getLocationBoundsForView;
+import static com.android.launcher3.views.IconLabelDotView.setIconAndDotVisible;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Picture;
+import android.graphics.PixelFormat;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.os.Build;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.View;
+import android.view.ViewTreeObserver.OnGlobalLayoutListener;
+
+import androidx.annotation.NonNull;
+
+import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.GestureNavContract;
+import com.android.launcher3.Insettable;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.R;
+import com.android.launcher3.util.DefaultDisplay;
+import com.android.launcher3.util.Executors;
+
+/**
+ * Similar to {@link FloatingIconView} but displays a surface with the targetIcon. It then passes
+ * the surfaceHandle to the {@link GestureNavContract}.
+ */
+@TargetApi(Build.VERSION_CODES.R)
+public class FloatingSurfaceView extends AbstractFloatingView implements
+ OnGlobalLayoutListener, Insettable, SurfaceHolder.Callback2 {
+
+ private final RectF mTmpPosition = new RectF();
+
+ private final Launcher mLauncher;
+ private final RectF mIconPosition = new RectF();
+
+ private final Rect mIconBounds = new Rect();
+ private final Picture mPicture = new Picture();
+ private final Runnable mRemoveViewRunnable = this::removeViewFromParent;
+
+ private final SurfaceView mSurfaceView;
+
+
+ private View mIcon;
+ private GestureNavContract mContract;
+
+ public FloatingSurfaceView(Context context) {
+ this(context, null);
+ }
+
+ public FloatingSurfaceView(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public FloatingSurfaceView(Context context, AttributeSet attrs, int defStyleAttr) {
+ super(context, attrs, defStyleAttr);
+ mLauncher = Launcher.getLauncher(context);
+
+ mSurfaceView = new SurfaceView(context);
+ mSurfaceView.setZOrderOnTop(true);
+
+ mSurfaceView.getHolder().setFormat(PixelFormat.TRANSLUCENT);
+ mSurfaceView.getHolder().addCallback(this);
+ mIsOpen = true;
+ addView(mSurfaceView);
+ }
+
+ @Override
+ protected void handleClose(boolean animate) {
+ setCurrentIconVisible(true);
+ mLauncher.getViewCache().recycleView(R.layout.floating_surface_view, this);
+ mContract = null;
+ mIcon = null;
+ mIsOpen = false;
+
+ // Remove after some time, to avoid flickering
+ Executors.MAIN_EXECUTOR.getHandler().postDelayed(mRemoveViewRunnable,
+ DefaultDisplay.INSTANCE.get(mLauncher).getInfo().singleFrameMs);
+ }
+
+ private void removeViewFromParent() {
+ mPicture.beginRecording(1, 1);
+ mPicture.endRecording();
+ mLauncher.getDragLayer().removeView(this);
+ }
+
+ /**
+ * Shows the surfaceView for the provided contract
+ */
+ public static void show(Launcher launcher, GestureNavContract contract) {
+ FloatingSurfaceView view = launcher.getViewCache().getView(R.layout.floating_surface_view,
+ launcher, launcher.getDragLayer());
+ view.mContract = contract;
+ view.mIsOpen = true;
+
+ // Cancel any pending remove
+ Executors.MAIN_EXECUTOR.getHandler().removeCallbacks(view.mRemoveViewRunnable);
+ view.removeViewFromParent();
+ launcher.getDragLayer().addView(view);
+ }
+
+ @Override
+ public void logActionCommand(int command) { }
+
+ @Override
+ protected boolean isOfType(int type) {
+ return (type & TYPE_ICON_SURFACE) != 0;
+ }
+
+ @Override
+ public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
+ close(false);
+ return false;
+ }
+
+ @Override
+ protected void onAttachedToWindow() {
+ super.onAttachedToWindow();
+ getViewTreeObserver().addOnGlobalLayoutListener(this);
+ updateIconLocation();
+ }
+
+ @Override
+ protected void onDetachedFromWindow() {
+ super.onDetachedFromWindow();
+ getViewTreeObserver().removeOnGlobalLayoutListener(this);
+ setCurrentIconVisible(true);
+ }
+
+ @Override
+ public void onGlobalLayout() {
+ updateIconLocation();
+ }
+
+ @Override
+ public void setInsets(Rect insets) { }
+
+ private void updateIconLocation() {
+ if (mContract == null) {
+ return;
+ }
+ View icon = mLauncher.getWorkspace().getFirstMatchForAppClose(
+ mContract.componentName.getPackageName(), mContract.user);
+
+ boolean iconChanged = mIcon != icon;
+ if (iconChanged) {
+ setCurrentIconVisible(true);
+ mIcon = icon;
+ setCurrentIconVisible(false);
+ }
+
+ if (icon != null && icon.isAttachedToWindow()) {
+ getLocationBoundsForView(mLauncher, icon, false, mTmpPosition, mIconBounds);
+
+ if (!mTmpPosition.equals(mIconPosition)) {
+ mIconPosition.set(mTmpPosition);
+ sendIconInfo();
+
+ LayoutParams lp = (LayoutParams) mSurfaceView.getLayoutParams();
+ lp.width = Math.round(mIconPosition.width());
+ lp.height = Math.round(mIconPosition.height());
+ lp.leftMargin = Math.round(mIconPosition.left);
+ lp.topMargin = Math.round(mIconPosition.top);
+ }
+ }
+ if (iconChanged && !mIconBounds.isEmpty()) {
+ // Record the icon display
+ setCurrentIconVisible(true);
+ Canvas c = mPicture.beginRecording(mIconBounds.width(), mIconBounds.height());
+ c.translate(-mIconBounds.left, -mIconBounds.top);
+ mIcon.draw(c);
+ mPicture.endRecording();
+ setCurrentIconVisible(false);
+ drawOnSurface();
+ }
+ }
+
+ private void sendIconInfo() {
+ if (mContract != null && !mIconPosition.isEmpty()) {
+ mContract.sendEndPosition(mIconPosition, mSurfaceView.getSurfaceControl());
+ }
+ }
+
+ @Override
+ public void surfaceCreated(@NonNull SurfaceHolder surfaceHolder) {
+ drawOnSurface();
+ sendIconInfo();
+ }
+
+ @Override
+ public void surfaceChanged(@NonNull SurfaceHolder surfaceHolder,
+ int format, int width, int height) {
+ drawOnSurface();
+ }
+
+ @Override
+ public void surfaceDestroyed(@NonNull SurfaceHolder surfaceHolder) {}
+
+ @Override
+ public void surfaceRedrawNeeded(@NonNull SurfaceHolder surfaceHolder) {
+ drawOnSurface();
+ }
+
+ private void drawOnSurface() {
+ SurfaceHolder surfaceHolder = mSurfaceView.getHolder();
+
+ Canvas c = surfaceHolder.lockHardwareCanvas();
+ if (c != null) {
+ mPicture.draw(c);
+ surfaceHolder.unlockCanvasAndPost(c);
+ }
+ }
+
+ private void setCurrentIconVisible(boolean isVisible) {
+ if (mIcon != null) {
+ setIconAndDotVisible(mIcon, isVisible);
+ }
+ }
+}