Add InsetTransitionController to device search

Also removed plugin support as if both the feature flag and the plugin is turned on, there are object/resource contention Bug: 161594550 Change-Id: I2cb98e83c46c7e47db96b90fa8d7cb9620643221
2020-07-18 08:32:23 -07:00
parent 37c01dc58a
commit d25dabb466
5 changed files with 239 additions and 71 deletions
@@ -0,0 +1,186 @@
+/*
+ * 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.allapps;
+
+import android.graphics.Insets;
+import android.os.Build;
+import android.util.Log;
+import android.view.View;
+import android.view.WindowInsets;
+import android.view.WindowInsetsAnimationControlListener;
+import android.view.WindowInsetsAnimationController;
+import android.view.animation.Interpolator;
+import android.view.animation.LinearInterpolator;
+
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+import androidx.core.os.BuildCompat;
+
+/**
+ * Handles IME over all apps to be synchronously transitioning along with the passed in
+ * root inset.
+ */
+public class AllAppsInsetTransitionController {
+
+    private static final boolean DEBUG = false;
+    private static final String TAG = "AllAppsInsetTransitionController";
+    private static final Interpolator LINEAR = new LinearInterpolator();
+
+    private WindowInsetsAnimationController mAnimationController;
+    private WindowInsetsAnimationControlListener mCurrentRequest;
+
+    private float mAllAppsHeight;
+
+    private int mDownInsetBottom;
+    private boolean mShownAtDown;
+
+    private int mHiddenInsetBottom;
+    private int mShownInsetBottom;
+
+    private float mDown, mCurrent;
+    private View mApps;
+
+    public AllAppsInsetTransitionController(float allAppsHeight, View appsView) {
+        mAllAppsHeight = allAppsHeight;
+        mApps = appsView;
+    }
+
+    /**
+     * Initializes member variables and requests for the {@link WindowInsetsAnimationController}
+     * object.
+     *
+     * @param progress value between 0..1
+     */
+    @RequiresApi(api = Build.VERSION_CODES.R)
+    public void onDragStart(float progress) {
+        if (!BuildCompat.isAtLeastR()) return;
+        onAnimationEnd(progress);
+
+        mDown = progress * mAllAppsHeight;
+
+        // Below two values are sometimes incorrect. Possibly a platform bug
+        mDownInsetBottom = mApps.getRootWindowInsets().getInsets(WindowInsets.Type.ime()).bottom;
+        mShownAtDown = mApps.getRootWindowInsets().isVisible(WindowInsets.Type.ime());
+
+        // override this value based on what it should actually be.
+        mShownAtDown = Float.compare(progress, 1f) == 0 ? false : true;
+        mDownInsetBottom = mShownAtDown ? mShownInsetBottom : mHiddenInsetBottom;
+        if (DEBUG) {
+            Log.d(TAG, "\nonDragStart mDownInsets=" + mDownInsetBottom
+                    + " mShownAtDown =" + mShownAtDown);
+        }
+
+        mApps.getWindowInsetsController().controlWindowInsetsAnimation(
+                WindowInsets.Type.ime(), -1 /* no predetermined duration */, LINEAR, null,
+                mCurrentRequest = new WindowInsetsAnimationControlListener() {
+
+                    @Override
+                    public void onReady(WindowInsetsAnimationController controller, int types) {
+                        if (DEBUG) {
+                            Log.d(TAG, "Listener.onReady " + (mCurrentRequest == this));
+                        }
+                        if (mCurrentRequest == this) {
+                            mAnimationController = controller;
+                        } else {
+                            controller.finish(mShownAtDown);
+                        }
+                    }
+
+                    @Override
+                    public void onFinished(WindowInsetsAnimationController controller) {
+                        // when screen lock happens, then this method get called
+                        mAnimationController.finish(false);
+                        mAnimationController = null;
+                        if (DEBUG) {
+                            Log.d(TAG, "Listener.onFinished ctrl=" + controller);
+                        }
+                    }
+
+                    @Override
+                    public void onCancelled(@Nullable WindowInsetsAnimationController controller) {
+                        mAnimationController = null;
+                        if (controller != null) {
+                            controller.finish(mShownAtDown);
+                        }
+                        if (DEBUG) {
+                            Log.d(TAG, "Listener.onCancelled ctrl=" + controller);
+                        }
+                    }
+                });
+    }
+
+    /**
+     * Handles the translation using the progress.
+     *
+     * @param progress value between 0..1
+     */
+    @RequiresApi(api = 30)
+    public void setProgress(float progress) {
+        if (!BuildCompat.isAtLeastR()) return;
+        // progress that equals to 0 or 1 is error prone. Do not use them.
+        // Instead use onDragStart and onAnimationEnd
+        if (mAnimationController == null || progress <= 0f || progress >= 1f) return;
+
+        mCurrent = progress * mAllAppsHeight;
+        mHiddenInsetBottom = mAnimationController.getHiddenStateInsets().bottom; // 0
+        mShownInsetBottom = mAnimationController.getShownStateInsets().bottom; // 1155
+
+        int shift = mShownAtDown ? 0 : (int) (mAllAppsHeight - mShownInsetBottom);
+
+        int inset = (int) (mDownInsetBottom + (mDown - mCurrent) - shift);
+
+        if (DEBUG) {
+            Log.d(TAG, "updateInset mCurrent=" + mCurrent + " mDown="
+                    + mDown + " hidden=" + mHiddenInsetBottom
+                    + " shown=" + mShownInsetBottom
+                    + " mDownInsets.bottom=" + mDownInsetBottom + " inset:" + inset
+                    + " shift: " + shift);
+        }
+        final int start = mShownAtDown ? mShownInsetBottom : mHiddenInsetBottom;
+        final int end = mShownAtDown ? mHiddenInsetBottom : mShownInsetBottom;
+        inset = Math.max(inset, mHiddenInsetBottom);
+        inset = Math.min(inset, mShownInsetBottom);
+        Log.d(TAG, "updateInset inset:" + inset);
+
+        mAnimationController.setInsetsAndAlpha(
+                Insets.of(0, 0, 0, inset),
+                1f, (inset - start) / (float) (end - start));
+    }
+
+    /**
+     * Report to the animation controller that we no longer plan to translate anymore.
+     *
+     * @param progress value between 0..1
+     */
+    @RequiresApi(api = 30)
+    public void onAnimationEnd(float progress) {
+        if (DEBUG) {
+            Log.d(TAG, "endTranslation progress=" + progress
+                    + " mAnimationController=" + mAnimationController);
+        }
+
+        if (mAnimationController == null) return;
+
+        if (Float.compare(progress, 1f) == 0 /* bottom */) {
+            mAnimationController.finish(false /* gone */);
+        }
+        if (Float.compare(progress, 0f) == 0 /* top */) {
+            mAnimationController.finish(true /* show */);
+        }
+        mAnimationController = null;
+        mCurrentRequest = null;
+    }
+}