| /* |
| * 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.states; |
| |
| import static android.view.View.VISIBLE; |
| |
| import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS; |
| import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY; |
| import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE; |
| import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE; |
| import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_X; |
| import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE; |
| import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE; |
| import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE; |
| import static com.android.launcher3.anim.Interpolators.ACCEL; |
| import static com.android.launcher3.anim.Interpolators.DEACCEL_2; |
| import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2; |
| import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_7; |
| import static com.android.launcher3.logging.LoggerUtils.newContainerTarget; |
| import static com.android.launcher3.states.RotationHelper.REQUEST_ROTATE; |
| |
| import android.graphics.Rect; |
| import android.view.View; |
| |
| import com.android.launcher3.AbstractFloatingView; |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.Launcher; |
| import com.android.launcher3.LauncherState; |
| import com.android.launcher3.R; |
| import com.android.launcher3.Workspace; |
| import com.android.launcher3.allapps.DiscoveryBounce; |
| import com.android.launcher3.anim.AnimatorSetBuilder; |
| import com.android.launcher3.userevent.nano.LauncherLogProto.Action; |
| import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType; |
| import com.android.quickstep.SysUINavigationMode; |
| import com.android.quickstep.views.RecentsView; |
| import com.android.quickstep.views.TaskView; |
| |
| /** |
| * Definition for overview state |
| */ |
| public class OverviewState extends LauncherState { |
| |
| // Scale recents takes before animating in |
| private static final float RECENTS_PREPARE_SCALE = 1.33f; |
| |
| protected static final Rect sTempRect = new Rect(); |
| |
| private static final int STATE_FLAGS = FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED |
| | FLAG_DISABLE_RESTORE | FLAG_OVERVIEW_UI | FLAG_DISABLE_ACCESSIBILITY; |
| |
| public OverviewState(int id) { |
| this(id, OVERVIEW_TRANSITION_MS, STATE_FLAGS); |
| } |
| |
| protected OverviewState(int id, int transitionDuration, int stateFlags) { |
| this(id, ContainerType.TASKSWITCHER, transitionDuration, stateFlags); |
| } |
| |
| protected OverviewState(int id, int logContainer, int transitionDuration, int stateFlags) { |
| super(id, logContainer, transitionDuration, stateFlags); |
| } |
| |
| @Override |
| public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) { |
| RecentsView recentsView = launcher.getOverviewPanel(); |
| Workspace workspace = launcher.getWorkspace(); |
| View workspacePage = workspace.getPageAt(workspace.getCurrentPage()); |
| float workspacePageWidth = workspacePage != null && workspacePage.getWidth() != 0 |
| ? workspacePage.getWidth() : launcher.getDeviceProfile().availableWidthPx; |
| recentsView.getTaskSize(sTempRect); |
| float scale = (float) sTempRect.width() / workspacePageWidth; |
| float parallaxFactor = 0.5f; |
| return new ScaleAndTranslation(scale, 0, -getDefaultSwipeHeight(launcher) * parallaxFactor); |
| } |
| |
| @Override |
| public ScaleAndTranslation getHotseatScaleAndTranslation(Launcher launcher) { |
| if ((getVisibleElements(launcher) & HOTSEAT_ICONS) != 0) { |
| // If the hotseat icons are visible in overview, keep them in their normal position. |
| return super.getWorkspaceScaleAndTranslation(launcher); |
| } |
| return getWorkspaceScaleAndTranslation(launcher); |
| } |
| |
| @Override |
| public ScaleAndTranslation getOverviewScaleAndTranslation(Launcher launcher) { |
| return new ScaleAndTranslation(1f, 0f, 0f); |
| } |
| |
| @Override |
| public void onStateEnabled(Launcher launcher) { |
| AbstractFloatingView.closeAllOpenViews(launcher); |
| } |
| |
| @Override |
| public void onStateTransitionEnd(Launcher launcher) { |
| launcher.getRotationHelper().setCurrentStateRequest(REQUEST_ROTATE); |
| DiscoveryBounce.showForOverviewIfNeeded(launcher); |
| } |
| |
| @Override |
| public PageAlphaProvider getWorkspacePageAlphaProvider(Launcher launcher) { |
| return new PageAlphaProvider(DEACCEL_2) { |
| @Override |
| public float getPageAlpha(int pageIndex) { |
| return 0; |
| } |
| }; |
| } |
| |
| @Override |
| public int getVisibleElements(Launcher launcher) { |
| if (launcher.getDeviceProfile().isVerticalBarLayout()) { |
| return VERTICAL_SWIPE_INDICATOR | RECENTS_CLEAR_ALL_BUTTON; |
| } else { |
| boolean hasAllAppsHeaderExtra = launcher.getAppsView() != null |
| && launcher.getAppsView().getFloatingHeaderView().hasVisibleContent(); |
| return HOTSEAT_SEARCH_BOX | VERTICAL_SWIPE_INDICATOR | RECENTS_CLEAR_ALL_BUTTON | |
| (hasAllAppsHeaderExtra ? ALL_APPS_HEADER_EXTRA : HOTSEAT_ICONS); |
| } |
| } |
| |
| @Override |
| public float getOverviewScrimAlpha(Launcher launcher) { |
| return 0.5f; |
| } |
| |
| @Override |
| public float getVerticalProgress(Launcher launcher) { |
| if ((getVisibleElements(launcher) & ALL_APPS_HEADER_EXTRA) == 0) { |
| // We have no all apps content, so we're still at the fully down progress. |
| return super.getVerticalProgress(launcher); |
| } |
| return getDefaultVerticalProgress(launcher); |
| } |
| |
| public static float getDefaultVerticalProgress(Launcher launcher) { |
| return 1 - (getDefaultSwipeHeight(launcher) |
| / launcher.getAllAppsController().getShiftRange()); |
| } |
| |
| @Override |
| public String getDescription(Launcher launcher) { |
| return launcher.getString(R.string.accessibility_desc_recent_apps); |
| } |
| |
| public static float getDefaultSwipeHeight(Launcher launcher) { |
| return getDefaultSwipeHeight(launcher.getDeviceProfile()); |
| } |
| |
| public static float getDefaultSwipeHeight(DeviceProfile dp) { |
| return dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx; |
| } |
| |
| @Override |
| public void onBackPressed(Launcher launcher) { |
| TaskView taskView = launcher.<RecentsView>getOverviewPanel().getRunningTaskView(); |
| if (taskView != null) { |
| launcher.getUserEventDispatcher().logActionCommand(Action.Command.BACK, |
| newContainerTarget(ContainerType.OVERVIEW)); |
| taskView.launchTask(true); |
| } else { |
| super.onBackPressed(launcher); |
| } |
| } |
| |
| @Override |
| public void prepareForAtomicAnimation(Launcher launcher, LauncherState fromState, |
| AnimatorSetBuilder builder) { |
| if (fromState == NORMAL && this == OVERVIEW) { |
| if (SysUINavigationMode.getMode(launcher) == SysUINavigationMode.Mode.NO_BUTTON) { |
| builder.setInterpolator(ANIM_WORKSPACE_SCALE, ACCEL); |
| builder.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCEL); |
| } else { |
| builder.setInterpolator(ANIM_WORKSPACE_SCALE, OVERSHOOT_1_2); |
| |
| // Scale up the recents, if it is not coming from the side |
| RecentsView overview = launcher.getOverviewPanel(); |
| if (overview.getVisibility() != VISIBLE || overview.getContentAlpha() == 0) { |
| SCALE_PROPERTY.set(overview, RECENTS_PREPARE_SCALE); |
| } |
| } |
| builder.setInterpolator(ANIM_WORKSPACE_FADE, OVERSHOOT_1_2); |
| builder.setInterpolator(ANIM_OVERVIEW_SCALE, OVERSHOOT_1_2); |
| builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_1_7); |
| builder.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2); |
| } |
| } |
| |
| public static OverviewState newBackgroundState(int id) { |
| return new BackgroundAppState(id); |
| } |
| |
| public static OverviewState newPeekState(int id) { |
| return new OverviewPeekState(id); |
| } |
| |
| public static OverviewState newSwitchState(int id) { |
| return new QuickSwitchState(id); |
| } |
| } |
