Pat Manning
185 lines
8.7 KiB
Java
185 lines
8.7 KiB
Java
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.uioverrides;
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import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE_IN_OUT;
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import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
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import static com.android.launcher3.anim.Interpolators.INSTANT;
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import static com.android.launcher3.anim.Interpolators.LINEAR;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_FADE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_MODAL;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SPLIT_SELECT_FLOATING_TASK_TRANSLATE_OFFSCREEN;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SPLIT_SELECT_INSTRUCTIONS_FADE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_X;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y;
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import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW;
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import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
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import static com.android.quickstep.views.RecentsView.FIRST_FLOATING_TASK_TRANSLATE_OFFSCREEN;
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import static com.android.quickstep.views.RecentsView.RECENTS_GRID_PROGRESS;
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import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
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import static com.android.quickstep.views.RecentsView.SPLIT_INSTRUCTIONS_FADE;
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import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
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import static com.android.quickstep.views.RecentsView.TASK_THUMBNAIL_SPLASH_ALPHA;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.util.FloatProperty;
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import android.view.animation.Interpolator;
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import androidx.annotation.NonNull;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.Utilities;
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import com.android.launcher3.anim.PendingAnimation;
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import com.android.launcher3.dragndrop.DragLayer;
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import com.android.launcher3.statemanager.StateManager.StateHandler;
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import com.android.launcher3.states.StateAnimationConfig;
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import com.android.quickstep.views.FloatingTaskView;
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import com.android.quickstep.views.RecentsView;
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/**
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* State handler for recents view. Manages UI changes and animations for recents view based off the
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* current {@link LauncherState}.
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*
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* @param <T> the recents view
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*/
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public abstract class BaseRecentsViewStateController<T extends RecentsView>
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implements StateHandler<LauncherState> {
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protected final T mRecentsView;
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protected final QuickstepLauncher mLauncher;
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public BaseRecentsViewStateController(@NonNull QuickstepLauncher launcher) {
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mLauncher = launcher;
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mRecentsView = launcher.getOverviewPanel();
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}
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@Override
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public void setState(@NonNull LauncherState state) {
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float[] scaleAndOffset = state.getOverviewScaleAndOffset(mLauncher);
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RECENTS_SCALE_PROPERTY.set(mRecentsView, scaleAndOffset[0]);
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ADJACENT_PAGE_HORIZONTAL_OFFSET.set(mRecentsView, scaleAndOffset[1]);
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TASK_SECONDARY_TRANSLATION.set(mRecentsView, 0f);
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getContentAlphaProperty().set(mRecentsView, state.overviewUi ? 1f : 0);
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getTaskModalnessProperty().set(mRecentsView, state.getOverviewModalness());
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RECENTS_GRID_PROGRESS.set(mRecentsView,
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state.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile()) ? 1f : 0f);
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TASK_THUMBNAIL_SPLASH_ALPHA.set(mRecentsView, state.showTaskThumbnailSplash() ? 1f : 0f);
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}
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@Override
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public void setStateWithAnimation(LauncherState toState, StateAnimationConfig config,
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PendingAnimation builder) {
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if (config.hasAnimationFlag(SKIP_OVERVIEW)) {
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return;
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}
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setStateWithAnimationInternal(toState, config, builder);
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}
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/**
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* Core logic for animating the recents view UI.
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*
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* @param toState state to animate to
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* @param config current animation config
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* @param setter animator set builder
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*/
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void setStateWithAnimationInternal(@NonNull final LauncherState toState,
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@NonNull StateAnimationConfig config, @NonNull PendingAnimation setter) {
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float[] scaleAndOffset = toState.getOverviewScaleAndOffset(mLauncher);
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setter.setFloat(mRecentsView, RECENTS_SCALE_PROPERTY, scaleAndOffset[0],
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config.getInterpolator(ANIM_OVERVIEW_SCALE, LINEAR));
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setter.setFloat(mRecentsView, ADJACENT_PAGE_HORIZONTAL_OFFSET, scaleAndOffset[1],
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config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_X, LINEAR));
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setter.setFloat(mRecentsView, TASK_SECONDARY_TRANSLATION, 0f,
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config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
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if (mRecentsView.isSplitSelectionActive()) {
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// TODO (b/238651489): Refactor state management to avoid need for double check
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FloatingTaskView floatingTask = mRecentsView.getFirstFloatingTaskView();
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if (floatingTask != null) {
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DragLayer dragLayer = mLauncher.getDragLayer();
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RectF onScreenRectF = new RectF();
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Utilities.getBoundsForViewInDragLayer(mLauncher.getDragLayer(), floatingTask,
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new Rect(0, 0, floatingTask.getWidth(), floatingTask.getHeight()),
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false, null, onScreenRectF);
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// Get the part of the floatingTask that intersects with the DragLayer (i.e. the
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// on-screen portion)
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onScreenRectF.intersect(
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dragLayer.getLeft(),
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dragLayer.getTop(),
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dragLayer.getRight(),
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dragLayer.getBottom()
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);
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setter.setFloat(
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mRecentsView,
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FIRST_FLOATING_TASK_TRANSLATE_OFFSCREEN,
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mRecentsView.getPagedOrientationHandler()
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.getFloatingTaskOffscreenTranslationTarget(
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floatingTask,
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onScreenRectF,
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floatingTask.getStagePosition(),
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mLauncher.getDeviceProfile()
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),
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config.getInterpolator(
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ANIM_OVERVIEW_SPLIT_SELECT_FLOATING_TASK_TRANSLATE_OFFSCREEN,
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LINEAR
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));
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setter.setFloat(
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mRecentsView,
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SPLIT_INSTRUCTIONS_FADE,
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1,
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config.getInterpolator(
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ANIM_OVERVIEW_SPLIT_SELECT_INSTRUCTIONS_FADE,
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LINEAR
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));
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}
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}
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setter.setFloat(mRecentsView, getContentAlphaProperty(), toState.overviewUi ? 1 : 0,
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config.getInterpolator(ANIM_OVERVIEW_FADE, AGGRESSIVE_EASE_IN_OUT));
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setter.setFloat(
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mRecentsView, getTaskModalnessProperty(),
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toState.getOverviewModalness(),
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config.getInterpolator(ANIM_OVERVIEW_MODAL, LINEAR));
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LauncherState fromState = mLauncher.getStateManager().getState();
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setter.setFloat(mRecentsView, TASK_THUMBNAIL_SPLASH_ALPHA,
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toState.showTaskThumbnailSplash() ? 1f : 0f,
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!toState.showTaskThumbnailSplash() && fromState == LauncherState.QUICK_SWITCH
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? LINEAR : INSTANT);
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boolean showAsGrid = toState.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile());
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Interpolator gridProgressInterpolator = showAsGrid
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? fromState == LauncherState.QUICK_SWITCH ? LINEAR : INSTANT
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: FINAL_FRAME;
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setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS, showAsGrid ? 1f : 0f,
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gridProgressInterpolator);
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}
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abstract FloatProperty getTaskModalnessProperty();
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/**
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* Get property for content alpha for the recents view.
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*
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* @return the float property for the view's content alpha
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*/
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abstract FloatProperty getContentAlphaProperty();
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}
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