| /* |
| * Copyright (C) 2021 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.taskbar; |
| |
| import static android.view.View.GONE; |
| import static android.view.View.VISIBLE; |
| |
| import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_FRAME; |
| import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_REGION; |
| |
| import android.graphics.Rect; |
| import android.inputmethodservice.InputMethodService; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.View.OnLongClickListener; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.launcher3.R; |
| import com.android.launcher3.anim.AlphaUpdateListener; |
| import com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo; |
| |
| /** |
| * Controller for taskbar icon UI |
| */ |
| public class TaskbarIconController { |
| |
| private final Rect mTempRect = new Rect(); |
| |
| private final TaskbarActivityContext mActivity; |
| private final TaskbarDragLayer mDragLayer; |
| |
| private final TaskbarView mTaskbarView; |
| private final ImeBarView mImeBarView; |
| |
| @NonNull |
| private TaskbarUIController mUIController = TaskbarUIController.DEFAULT; |
| |
| TaskbarIconController(TaskbarActivityContext activity, TaskbarDragLayer dragLayer) { |
| mActivity = activity; |
| mDragLayer = dragLayer; |
| mTaskbarView = mDragLayer.findViewById(R.id.taskbar_view); |
| mImeBarView = mDragLayer.findViewById(R.id.ime_bar_view); |
| } |
| |
| public void init(OnClickListener clickListener, OnLongClickListener longClickListener) { |
| mDragLayer.addOnLayoutChangeListener((v, a, b, c, d, e, f, g, h) -> |
| mUIController.alignRealHotseatWithTaskbar()); |
| |
| ButtonProvider buttonProvider = new ButtonProvider(mActivity); |
| mImeBarView.init(buttonProvider); |
| mTaskbarView.construct(clickListener, longClickListener, buttonProvider); |
| mTaskbarView.getLayoutParams().height = mActivity.getDeviceProfile().taskbarSize; |
| |
| mDragLayer.init(new Callbacks(), mTaskbarView); |
| } |
| |
| public void onDestroy() { |
| mDragLayer.onDestroy(); |
| } |
| |
| public void setUIController(@NonNull TaskbarUIController uiController) { |
| mUIController = uiController; |
| } |
| |
| /** |
| * When in 3 button nav, the above doesn't get called since we prevent sysui nav bar from |
| * instantiating at all, which is what's responsible for sending sysui state flags over. |
| * |
| * @param vis IME visibility flag |
| */ |
| public void updateImeStatus(int displayId, int vis, boolean showImeSwitcher) { |
| if (displayId != mActivity.getDisplayId() || !mActivity.canShowNavButtons()) { |
| return; |
| } |
| |
| mImeBarView.setImeSwitcherVisibility(showImeSwitcher); |
| setImeIsVisible((vis & InputMethodService.IME_VISIBLE) != 0); |
| } |
| |
| /** |
| * Should be called when the IME visibility changes, so we can hide/show Taskbar accordingly. |
| */ |
| public void setImeIsVisible(boolean isImeVisible) { |
| mTaskbarView.setTouchesEnabled(!isImeVisible); |
| mUIController.onImeVisible(mDragLayer, isImeVisible); |
| } |
| |
| /** |
| * Callbacks for {@link TaskbarDragLayer} to interact with the icon controller |
| */ |
| public class Callbacks { |
| |
| /** |
| * Called to update the touchable insets |
| */ |
| public void updateInsetsTouchability(InsetsInfo insetsInfo) { |
| insetsInfo.touchableRegion.setEmpty(); |
| if (mDragLayer.getAlpha() < AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD) { |
| // Let touches pass through us. |
| insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION); |
| } else if (mImeBarView.getVisibility() == VISIBLE) { |
| insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME); |
| } else if (!mUIController.isTaskbarTouchable()) { |
| // Let touches pass through us. |
| insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION); |
| } else if (mTaskbarView.areIconsVisible()) { |
| // Buttons are visible, take over the full taskbar area |
| insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME); |
| } else { |
| if (mTaskbarView.mSystemButtonContainer.getVisibility() == VISIBLE) { |
| mDragLayer.getDescendantRectRelativeToSelf( |
| mTaskbarView.mSystemButtonContainer, mTempRect); |
| insetsInfo.touchableRegion.set(mTempRect); |
| } |
| insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION); |
| } |
| |
| // TaskbarContainerView provides insets to other apps based on contentInsets. These |
| // insets should stay consistent even if we expand TaskbarContainerView's bounds, e.g. |
| // to show a floating view like Folder. Thus, we set the contentInsets to be where |
| // mTaskbarView is, since its position never changes and insets rather than overlays. |
| insetsInfo.contentInsets.left = mTaskbarView.getLeft(); |
| insetsInfo.contentInsets.top = mTaskbarView.getTop(); |
| insetsInfo.contentInsets.right = mDragLayer.getWidth() - mTaskbarView.getRight(); |
| insetsInfo.contentInsets.bottom = mDragLayer.getHeight() - mTaskbarView.getBottom(); |
| } |
| |
| public void onDragLayerViewRemoved() { |
| int count = mDragLayer.getChildCount(); |
| // Ensure no other children present (like Folders, etc) |
| for (int i = 0; i < count; i++) { |
| View v = mDragLayer.getChildAt(i); |
| if (!((v instanceof TaskbarView) || (v instanceof ImeBarView))) { |
| return; |
| } |
| } |
| mActivity.setTaskbarWindowFullscreen(false); |
| } |
| |
| public void updateImeBarVisibilityAlpha(float alpha) { |
| if (!mActivity.canShowNavButtons()) { |
| // TODO Remove sysui IME bar for gesture nav as well |
| return; |
| } |
| mImeBarView.setAlpha(alpha); |
| mImeBarView.setVisibility(alpha == 0 ? GONE : VISIBLE); |
| } |
| } |
| } |