mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-20 03:08:19 +00:00
536 lines
19 KiB
Java
536 lines
19 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.touch;
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import static android.view.Gravity.BOTTOM;
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import static android.view.Gravity.CENTER_VERTICAL;
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import static android.view.Gravity.END;
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import static android.view.Gravity.START;
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import static android.view.Gravity.TOP;
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import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
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import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
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import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
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import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
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import static com.android.launcher3.touch.SingleAxisSwipeDetector.HORIZONTAL;
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import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
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import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
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import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_TYPE_MAIN;
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import android.content.res.Resources;
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import android.graphics.PointF;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.drawable.ShapeDrawable;
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import android.util.FloatProperty;
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import android.util.Pair;
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import android.view.MotionEvent;
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import android.view.Surface;
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import android.view.VelocityTracker;
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import android.view.View;
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import android.view.accessibility.AccessibilityEvent;
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import android.widget.FrameLayout;
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import android.widget.LinearLayout;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.R;
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import com.android.launcher3.Utilities;
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import com.android.launcher3.util.SplitConfigurationOptions;
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import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
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import com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
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import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
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import com.android.launcher3.views.BaseDragLayer;
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import java.util.Collections;
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import java.util.List;
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public class LandscapePagedViewHandler implements PagedOrientationHandler {
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@Override
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public <T> T getPrimaryValue(T x, T y) {
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return y;
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}
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@Override
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public <T> T getSecondaryValue(T x, T y) {
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return x;
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}
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@Override
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public int getPrimaryValue(int x, int y) {
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return y;
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}
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@Override
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public int getSecondaryValue(int x, int y) {
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return x;
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}
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@Override
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public float getPrimaryValue(float x, float y) {
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return y;
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}
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@Override
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public float getSecondaryValue(float x, float y) {
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return x;
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}
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@Override
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public boolean isLayoutNaturalToLauncher() {
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return false;
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}
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@Override
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public void adjustFloatingIconStartVelocity(PointF velocity) {
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float oldX = velocity.x;
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float oldY = velocity.y;
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velocity.set(-oldY, oldX);
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}
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@Override
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public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
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action.call(target, 0, param);
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}
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@Override
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public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
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action.call(target, 0, param);
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}
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@Override
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public <T> void setSecondary(T target, Float2DAction<T> action, float param) {
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action.call(target, param, 0);
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}
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@Override
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public <T> void set(T target, Int2DAction<T> action, int primaryParam,
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int secondaryParam) {
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action.call(target, secondaryParam, primaryParam);
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}
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@Override
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public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
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return event.getY(pointerIndex);
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}
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@Override
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public float getPrimaryVelocity(VelocityTracker velocityTracker, int pointerId) {
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return velocityTracker.getYVelocity(pointerId);
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}
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@Override
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public int getMeasuredSize(View view) {
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return view.getMeasuredHeight();
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}
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@Override
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public int getPrimarySize(View view) {
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return view.getHeight();
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}
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@Override
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public float getPrimarySize(RectF rect) {
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return rect.height();
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}
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@Override
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public float getStart(RectF rect) {
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return rect.top;
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}
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@Override
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public float getEnd(RectF rect) {
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return rect.bottom;
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}
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@Override
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public int getClearAllSidePadding(View view, boolean isRtl) {
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return (isRtl ? view.getPaddingBottom() : - view.getPaddingTop()) / 2;
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}
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@Override
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public int getSecondaryDimension(View view) {
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return view.getWidth();
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}
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@Override
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public FloatProperty<View> getPrimaryViewTranslate() {
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return VIEW_TRANSLATE_Y;
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}
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@Override
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public FloatProperty<View> getSecondaryViewTranslate() {
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return VIEW_TRANSLATE_X;
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}
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@Override
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public int getPrimaryScroll(View view) {
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return view.getScrollY();
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}
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@Override
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public float getPrimaryScale(View view) {
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return view.getScaleY();
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}
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@Override
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public void setMaxScroll(AccessibilityEvent event, int maxScroll) {
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event.setMaxScrollY(maxScroll);
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}
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@Override
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public boolean getRecentsRtlSetting(Resources resources) {
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return !Utilities.isRtl(resources);
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}
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@Override
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public float getDegreesRotated() {
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return 90;
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}
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@Override
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public int getRotation() {
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return Surface.ROTATION_90;
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}
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@Override
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public void setPrimaryScale(View view, float scale) {
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view.setScaleY(scale);
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}
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@Override
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public void setSecondaryScale(View view, float scale) {
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view.setScaleX(scale);
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}
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@Override
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public int getChildStart(View view) {
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return view.getTop();
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}
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@Override
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public int getCenterForPage(View view, Rect insets) {
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return (view.getPaddingLeft() + view.getMeasuredWidth() + insets.left
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- insets.right - view.getPaddingRight()) / 2;
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}
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@Override
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public int getScrollOffsetStart(View view, Rect insets) {
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return insets.top + view.getPaddingTop();
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}
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@Override
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public int getScrollOffsetEnd(View view, Rect insets) {
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return view.getHeight() - view.getPaddingBottom() - insets.bottom;
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}
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public int getSecondaryTranslationDirectionFactor() {
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return 1;
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}
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@Override
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public int getSplitTranslationDirectionFactor(int stagePosition, DeviceProfile deviceProfile) {
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if (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
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return -1;
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} else {
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return 1;
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}
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}
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@Override
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public float getTaskMenuX(float x, View thumbnailView, int overScroll,
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DeviceProfile deviceProfile) {
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return thumbnailView.getMeasuredWidth() + x;
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}
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@Override
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public float getTaskMenuY(float y, View thumbnailView, int overScroll) {
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return y + overScroll +
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(thumbnailView.getMeasuredHeight() - thumbnailView.getMeasuredWidth()) / 2f;
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}
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@Override
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public int getTaskMenuWidth(View view, DeviceProfile deviceProfile) {
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return view.getMeasuredWidth();
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}
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@Override
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public void setTaskOptionsMenuLayoutOrientation(DeviceProfile deviceProfile,
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LinearLayout taskMenuLayout, int dividerSpacing,
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ShapeDrawable dividerDrawable) {
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taskMenuLayout.setOrientation(LinearLayout.VERTICAL);
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dividerDrawable.setIntrinsicHeight(dividerSpacing);
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taskMenuLayout.setDividerDrawable(dividerDrawable);
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}
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@Override
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public void setLayoutParamsForTaskMenuOptionItem(LinearLayout.LayoutParams lp,
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LinearLayout viewGroup, DeviceProfile deviceProfile) {
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// Phone fake landscape
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viewGroup.setOrientation(LinearLayout.HORIZONTAL);
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lp.width = MATCH_PARENT;
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lp.height = WRAP_CONTENT;
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}
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@Override
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public void setTaskMenuAroundTaskView(LinearLayout taskView, float margin) {
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BaseDragLayer.LayoutParams lp = (BaseDragLayer.LayoutParams) taskView.getLayoutParams();
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lp.topMargin += margin;
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}
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@Override
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public PointF getAdditionalInsetForTaskMenu(float margin) {
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return new PointF(margin, 0);
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}
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@Override
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public Pair<Float, Float> getDwbLayoutTranslations(int taskViewWidth,
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int taskViewHeight, StagedSplitBounds splitBounds, DeviceProfile deviceProfile,
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View[] thumbnailViews, int desiredTaskId, View banner) {
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boolean isRtl = banner.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
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float translationX = 0;
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float translationY = 0;
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FrameLayout.LayoutParams bannerParams = (FrameLayout.LayoutParams) banner.getLayoutParams();
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banner.setPivotX(0);
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banner.setPivotY(0);
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banner.setRotation(getDegreesRotated());
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translationX = banner.getHeight();
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FrameLayout.LayoutParams snapshotParams =
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(FrameLayout.LayoutParams) thumbnailViews[0]
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.getLayoutParams();
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bannerParams.gravity = TOP | (isRtl ? END : START);
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if (splitBounds == null) {
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// Single, fullscreen case
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bannerParams.width = taskViewHeight - snapshotParams.topMargin;
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return new Pair<>(translationX, Integer.valueOf(snapshotParams.topMargin).floatValue());
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}
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// Set correct width
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if (desiredTaskId == splitBounds.leftTopTaskId) {
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bannerParams.width = thumbnailViews[0].getMeasuredHeight();
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} else {
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bannerParams.width = thumbnailViews[1].getMeasuredHeight();
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}
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// Set translations
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if (desiredTaskId == splitBounds.rightBottomTaskId) {
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float topLeftTaskPlusDividerPercent = splitBounds.appsStackedVertically
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? (splitBounds.topTaskPercent + splitBounds.dividerHeightPercent)
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: (splitBounds.leftTaskPercent + splitBounds.dividerWidthPercent);
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translationY = snapshotParams.topMargin
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+ ((taskViewHeight - snapshotParams.topMargin) * topLeftTaskPlusDividerPercent);
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}
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if (desiredTaskId == splitBounds.leftTopTaskId) {
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translationY = snapshotParams.topMargin;
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}
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return new Pair<>(translationX, translationY);
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}
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/* ---------- The following are only used by TaskViewTouchHandler. ---------- */
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@Override
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public SingleAxisSwipeDetector.Direction getUpDownSwipeDirection() {
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return HORIZONTAL;
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}
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@Override
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public int getUpDirection(boolean isRtl) {
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return isRtl ? SingleAxisSwipeDetector.DIRECTION_NEGATIVE
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: SingleAxisSwipeDetector.DIRECTION_POSITIVE;
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}
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@Override
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public boolean isGoingUp(float displacement, boolean isRtl) {
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return isRtl ? displacement < 0 : displacement > 0;
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}
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@Override
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public int getTaskDragDisplacementFactor(boolean isRtl) {
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return isRtl ? 1 : -1;
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}
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/* -------------------- */
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@Override
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public ChildBounds getChildBounds(View child, int childStart, int pageCenter,
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boolean layoutChild) {
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final int childHeight = child.getMeasuredHeight();
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final int childBottom = childStart + childHeight;
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final int childWidth = child.getMeasuredWidth();
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final int childLeft = pageCenter - childWidth/ 2;
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if (layoutChild) {
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child.layout(childLeft, childStart, childLeft + childWidth, childBottom);
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}
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return new ChildBounds(childHeight, childWidth, childBottom, childLeft);
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}
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@SuppressWarnings("SuspiciousNameCombination")
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@Override
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public int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect) {
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return rect.left;
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}
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@Override
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public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
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// Add "left" side of phone which is actually the top
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return Collections.singletonList(new SplitPositionOption(
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R.drawable.ic_split_left, R.string.split_screen_position_left,
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STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
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}
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@Override
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public void getInitialSplitPlaceholderBounds(int placeholderHeight, int placeholderInset,
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DeviceProfile dp, @StagePosition int stagePosition, Rect out) {
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// In fake land/seascape, the placeholder always needs to go to the "top" of the device,
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// which is the same bounds as 0 rotation.
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int width = dp.widthPx;
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out.set(0, 0, width, placeholderHeight);
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out.inset(placeholderInset, 0);
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// Adjust the top to account for content off screen. This will help to animate the view in
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// with rounded corners.
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int screenWidth = dp.widthPx;
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int screenHeight = dp.heightPx;
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int totalHeight = (int) (1.0f * screenHeight / 2 * (screenWidth - 2 * placeholderInset)
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/ screenWidth);
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out.top -= (totalHeight - placeholderHeight);
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}
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@Override
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public void getFinalSplitPlaceholderBounds(int splitDividerSize, DeviceProfile dp,
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@StagePosition int stagePosition, Rect out1, Rect out2) {
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// In fake land/seascape, the window bounds are always top and bottom half
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int screenHeight = dp.heightPx;
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int screenWidth = dp.widthPx;
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out1.set(0, 0, screenWidth, screenHeight / 2 - splitDividerSize);
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out2.set(0, screenHeight / 2 + splitDividerSize, screenWidth, screenHeight);
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}
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@Override
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public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
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StagedSplitBounds splitInfo, int desiredStagePosition) {
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float topLeftTaskPercent = splitInfo.appsStackedVertically
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? splitInfo.topTaskPercent
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: splitInfo.leftTaskPercent;
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float dividerBarPercent = splitInfo.appsStackedVertically
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? splitInfo.dividerHeightPercent
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: splitInfo.dividerWidthPercent;
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if (desiredStagePosition == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
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outRect.bottom = outRect.top + (int) (outRect.height() * topLeftTaskPercent);
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} else {
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outRect.top += (int) (outRect.height() * (topLeftTaskPercent + dividerBarPercent));
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}
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}
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@Override
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public void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
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int parentWidth, int parentHeight,
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StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
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int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
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int totalThumbnailHeight = parentHeight - spaceAboveSnapshot;
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int dividerBar = splitBoundsConfig.appsStackedVertically
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? splitBoundsConfig.visualDividerBounds.height()
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: splitBoundsConfig.visualDividerBounds.width();
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int primarySnapshotHeight;
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int primarySnapshotWidth;
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int secondarySnapshotHeight;
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int secondarySnapshotWidth;
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float taskPercent = splitBoundsConfig.appsStackedVertically ?
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splitBoundsConfig.topTaskPercent : splitBoundsConfig.leftTaskPercent;
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primarySnapshotWidth = parentWidth;
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primarySnapshotHeight = (int) (totalThumbnailHeight * taskPercent);
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secondarySnapshotWidth = parentWidth;
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secondarySnapshotHeight = totalThumbnailHeight - primarySnapshotHeight - dividerBar;
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secondarySnapshot.setTranslationY(primarySnapshotHeight + spaceAboveSnapshot + dividerBar);
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primarySnapshot.measure(
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View.MeasureSpec.makeMeasureSpec(primarySnapshotWidth, View.MeasureSpec.EXACTLY),
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View.MeasureSpec.makeMeasureSpec(primarySnapshotHeight, View.MeasureSpec.EXACTLY));
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secondarySnapshot.measure(
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View.MeasureSpec.makeMeasureSpec(secondarySnapshotWidth, View.MeasureSpec.EXACTLY),
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View.MeasureSpec.makeMeasureSpec(secondarySnapshotHeight,
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View.MeasureSpec.EXACTLY));
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}
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@Override
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public void setTaskIconParams(FrameLayout.LayoutParams iconParams, int taskIconMargin,
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int taskIconHeight, int thumbnailTopMargin, boolean isRtl) {
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iconParams.gravity = (isRtl ? START : END) | CENTER_VERTICAL;
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iconParams.rightMargin = -taskIconHeight - taskIconMargin / 2;
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iconParams.leftMargin = 0;
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iconParams.topMargin = thumbnailTopMargin / 2;
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}
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@Override
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public void setSplitIconParams(View primaryIconView, View secondaryIconView,
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int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
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int groupedTaskViewHeight, int groupedTaskViewWidth, boolean isRtl,
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DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
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FrameLayout.LayoutParams primaryIconParams =
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(FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
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FrameLayout.LayoutParams secondaryIconParams =
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new FrameLayout.LayoutParams(primaryIconParams);
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// We calculate the "midpoint" of the thumbnail area, and place the icons there.
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// This is the place where the thumbnail area splits by default, in a near-50/50 split.
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// It is usually not exactly 50/50, due to insets/screen cutouts.
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int fullscreenInsetThickness = deviceProfile.getInsets().top;
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int fullscreenMidpointFromBottom = ((deviceProfile.heightPx - fullscreenInsetThickness)
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/ 2);
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float midpointFromBottomPct = (float) fullscreenMidpointFromBottom / deviceProfile.heightPx;
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float insetPct = (float) fullscreenInsetThickness / deviceProfile.heightPx;
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int spaceAboveSnapshots = deviceProfile.overviewTaskThumbnailTopMarginPx;
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int overviewThumbnailAreaThickness = groupedTaskViewHeight - spaceAboveSnapshots;
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int bottomToMidpointOffset = (int) (overviewThumbnailAreaThickness * midpointFromBottomPct);
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int insetOffset = (int) (overviewThumbnailAreaThickness * insetPct);
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primaryIconParams.gravity = BOTTOM | (isRtl ? START : END);
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secondaryIconParams.gravity = BOTTOM | (isRtl ? START : END);
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primaryIconView.setTranslationX(0);
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secondaryIconView.setTranslationX(0);
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if (splitConfig.initiatedFromSeascape) {
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// if the split was initiated from seascape,
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// the task on the right (secondary) is slightly larger
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primaryIconView.setTranslationY(-bottomToMidpointOffset - insetOffset);
|
|
secondaryIconView.setTranslationY(-bottomToMidpointOffset - insetOffset
|
|
+ taskIconHeight);
|
|
} else {
|
|
// if not,
|
|
// the task on the left (primary) is slightly larger
|
|
primaryIconView.setTranslationY(-bottomToMidpointOffset);
|
|
secondaryIconView.setTranslationY(-bottomToMidpointOffset + taskIconHeight);
|
|
}
|
|
|
|
primaryIconView.setLayoutParams(primaryIconParams);
|
|
secondaryIconView.setLayoutParams(secondaryIconParams);
|
|
}
|
|
|
|
@Override
|
|
public int getDefaultSplitPosition(DeviceProfile deviceProfile) {
|
|
throw new IllegalStateException("Default position not available in fake landscape");
|
|
}
|
|
|
|
@Override
|
|
public Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
|
|
FloatProperty secondary, DeviceProfile deviceProfile) {
|
|
return new Pair<>(primary, secondary);
|
|
}
|
|
}
|