Sunny Goyal
89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
/*
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* Copyright (C) 2017 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.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
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import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
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import android.graphics.Rect;
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import android.view.View;
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import android.view.accessibility.AccessibilityNodeInfo;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.Workspace;
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import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
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/**
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* Definition for overview state
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*/
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public class OverviewState extends LauncherState {
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// The percent to shrink the workspace during overview mode
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private static final float SCALE_FACTOR = 0.7f;
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private static final int STATE_FLAGS = FLAG_SHOW_SCRIM | FLAG_MULTI_PAGE |
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FLAG_DISABLE_PAGE_CLIPPING | FLAG_PAGE_BACKGROUNDS | FLAG_OVERVIEW_UI;
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public OverviewState(int id) {
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super(id, ContainerType.WORKSPACE, OVERVIEW_TRANSITION_MS, STATE_FLAGS);
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}
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@Override
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public float[] getWorkspaceScaleAndTranslation(Launcher launcher) {
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DeviceProfile grid = launcher.getDeviceProfile();
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Workspace ws = launcher.getWorkspace();
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Rect insets = launcher.getDragLayer().getInsets();
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int overviewButtonBarHeight = OverviewPanel.getButtonBarHeight(launcher);
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int scaledHeight = (int) (SCALE_FACTOR * ws.getNormalChildHeight());
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int workspaceTop = insets.top + grid.workspacePadding.top;
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int workspaceBottom = ws.getHeight() - insets.bottom - grid.workspacePadding.bottom;
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int overviewTop = insets.top;
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int overviewBottom = ws.getHeight() - insets.bottom - overviewButtonBarHeight;
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int workspaceOffsetTopEdge =
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workspaceTop + ((workspaceBottom - workspaceTop) - scaledHeight) / 2;
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int overviewOffsetTopEdge = overviewTop + (overviewBottom - overviewTop - scaledHeight) / 2;
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return new float[] {SCALE_FACTOR, 0, -workspaceOffsetTopEdge + overviewOffsetTopEdge };
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}
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@Override
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public float getHoseatAlpha(Launcher launcher) {
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return 0;
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}
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@Override
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public void onStateEnabled(Launcher launcher) {
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launcher.getWorkspace().setPageRearrangeEnabled(true);
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if (isAccessibilityEnabled(launcher)) {
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launcher.getOverviewPanel().getChildAt(0).performAccessibilityAction(
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AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
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}
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}
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@Override
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public void onStateDisabled(Launcher launcher) {
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launcher.getWorkspace().setPageRearrangeEnabled(false);
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}
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@Override
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public View getFinalFocus(Launcher launcher) {
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return launcher.getOverviewPanel();
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}
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}
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