| /* |
| * Copyright (C) 2017 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.uioverrides; |
| |
| import static com.android.launcher3.LauncherState.CLEAR_ALL_BUTTON; |
| import static com.android.launcher3.LauncherState.OVERVIEW_ACTIONS; |
| import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT; |
| import static com.android.launcher3.anim.Interpolators.LINEAR; |
| import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_ACTIONS_FADE; |
| import static com.android.quickstep.views.RecentsView.CONTENT_ALPHA; |
| import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS; |
| import static com.android.quickstep.views.RecentsView.TASK_MODALNESS; |
| import static com.android.quickstep.views.RecentsView.TASK_PRIMARY_SPLIT_TRANSLATION; |
| import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_SPLIT_TRANSLATION; |
| import static com.android.quickstep.views.TaskView.FLAG_UPDATE_ALL; |
| |
| import android.annotation.TargetApi; |
| import android.os.Build; |
| import android.util.FloatProperty; |
| import android.util.Pair; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import com.android.launcher3.BaseQuickstepLauncher; |
| import com.android.launcher3.LauncherState; |
| import com.android.launcher3.anim.AnimatorListeners; |
| import com.android.launcher3.anim.PendingAnimation; |
| import com.android.launcher3.anim.PropertySetter; |
| import com.android.launcher3.states.StateAnimationConfig; |
| import com.android.launcher3.touch.PagedOrientationHandler; |
| import com.android.launcher3.util.MultiValueAlpha; |
| import com.android.quickstep.views.ClearAllButton; |
| import com.android.quickstep.views.LauncherRecentsView; |
| import com.android.quickstep.views.RecentsView; |
| |
| /** |
| * State handler for handling UI changes for {@link LauncherRecentsView}. In addition to managing |
| * the basic view properties, this class also manages changes in the task visuals. |
| */ |
| @TargetApi(Build.VERSION_CODES.O) |
| public final class RecentsViewStateController extends |
| BaseRecentsViewStateController<LauncherRecentsView> { |
| |
| public RecentsViewStateController(BaseQuickstepLauncher launcher) { |
| super(launcher); |
| } |
| |
| @Override |
| public void setState(@NonNull LauncherState state) { |
| super.setState(state); |
| if (state.overviewUi) { |
| mRecentsView.updateEmptyMessage(); |
| mRecentsView.resetTaskVisuals(); |
| } |
| setAlphas(PropertySetter.NO_ANIM_PROPERTY_SETTER, new StateAnimationConfig(), state); |
| mRecentsView.setFullscreenProgress(state.getOverviewFullscreenProgress()); |
| // In Overview, we may be layering app surfaces behind Launcher, so we need to notify |
| // DepthController to prevent optimizations which might occlude the layers behind |
| mLauncher.getDepthController().setHasContentBehindLauncher(state.overviewUi); |
| |
| handleSplitSelectionState(state, null); |
| } |
| |
| @Override |
| void setStateWithAnimationInternal(@NonNull LauncherState toState, |
| @NonNull StateAnimationConfig config, @NonNull PendingAnimation builder) { |
| super.setStateWithAnimationInternal(toState, config, builder); |
| |
| if (toState.overviewUi) { |
| // While animating into recents, update the visible task data as needed |
| builder.addOnFrameCallback(() -> mRecentsView.loadVisibleTaskData(FLAG_UPDATE_ALL)); |
| mRecentsView.updateEmptyMessage(); |
| } else { |
| builder.addListener( |
| AnimatorListeners.forSuccessCallback(mRecentsView::resetTaskVisuals)); |
| } |
| // In Overview, we may be layering app surfaces behind Launcher, so we need to notify |
| // DepthController to prevent optimizations which might occlude the layers behind |
| builder.addListener(AnimatorListeners.forSuccessCallback(() -> |
| mLauncher.getDepthController().setHasContentBehindLauncher(toState.overviewUi))); |
| |
| handleSplitSelectionState(toState, builder); |
| |
| setAlphas(builder, config, toState); |
| builder.setFloat(mRecentsView, FULLSCREEN_PROGRESS, |
| toState.getOverviewFullscreenProgress(), LINEAR); |
| } |
| |
| /** |
| * Create or dismiss split screen select animations. |
| * @param builder if null then this will run the split select animations right away, otherwise |
| * will add animations to builder. |
| */ |
| private void handleSplitSelectionState(@NonNull LauncherState toState, |
| @Nullable PendingAnimation builder) { |
| boolean animate = builder != null; |
| PagedOrientationHandler orientationHandler = |
| ((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler(); |
| Pair<FloatProperty, FloatProperty> taskViewsFloat = |
| orientationHandler.getSplitSelectTaskOffset( |
| TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION, |
| mLauncher.getDeviceProfile()); |
| |
| if (toState == OVERVIEW_SPLIT_SELECT) { |
| // Animation to "dismiss" selected taskView |
| PendingAnimation splitSelectInitAnimation = mRecentsView.createSplitSelectInitAnimation( |
| toState.getTransitionDuration(mLauncher, true /* isToState */)); |
| // Add properties to shift remaining taskViews to get out of placeholder view |
| splitSelectInitAnimation.setFloat(mRecentsView, taskViewsFloat.first, |
| toState.getSplitSelectTranslation(mLauncher), LINEAR); |
| splitSelectInitAnimation.setFloat(mRecentsView, taskViewsFloat.second, 0, LINEAR); |
| |
| if (!animate) { |
| splitSelectInitAnimation.buildAnim().start(); |
| } else { |
| builder.add(splitSelectInitAnimation.buildAnim()); |
| } |
| |
| mRecentsView.applySplitPrimaryScrollOffset(); |
| } else { |
| mRecentsView.resetSplitPrimaryScrollOffset(); |
| } |
| } |
| |
| private void setAlphas(PropertySetter propertySetter, StateAnimationConfig config, |
| LauncherState state) { |
| float clearAllButtonAlpha = state.areElementsVisible(mLauncher, CLEAR_ALL_BUTTON) ? 1 : 0; |
| propertySetter.setFloat(mRecentsView.getClearAllButton(), ClearAllButton.VISIBILITY_ALPHA, |
| clearAllButtonAlpha, LINEAR); |
| float overviewButtonAlpha = state.areElementsVisible(mLauncher, OVERVIEW_ACTIONS) ? 1 : 0; |
| propertySetter.setFloat(mLauncher.getActionsView().getVisibilityAlpha(), |
| MultiValueAlpha.VALUE, overviewButtonAlpha, config.getInterpolator( |
| ANIM_OVERVIEW_ACTIONS_FADE, LINEAR)); |
| } |
| |
| @Override |
| FloatProperty<RecentsView> getTaskModalnessProperty() { |
| return TASK_MODALNESS; |
| } |
| |
| @Override |
| FloatProperty<RecentsView> getContentAlphaProperty() { |
| return CONTENT_ALPHA; |
| } |
| } |