| /* |
| * Copyright (C) 2019 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.touch; |
| |
| import static android.view.Gravity.CENTER_HORIZONTAL; |
| import static android.view.Gravity.START; |
| import static android.view.Gravity.TOP; |
| import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; |
| |
| import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X; |
| import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y; |
| import static com.android.launcher3.touch.SingleAxisSwipeDetector.VERTICAL; |
| import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT; |
| import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT; |
| import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_TYPE_MAIN; |
| |
| import android.content.res.Resources; |
| import android.graphics.Matrix; |
| import android.graphics.PointF; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.drawable.ShapeDrawable; |
| import android.util.FloatProperty; |
| import android.util.Pair; |
| import android.view.MotionEvent; |
| import android.view.Surface; |
| import android.view.VelocityTracker; |
| import android.view.View; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.widget.FrameLayout; |
| import android.widget.LinearLayout; |
| |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.R; |
| import com.android.launcher3.Utilities; |
| import com.android.launcher3.util.SplitConfigurationOptions; |
| import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption; |
| import com.android.launcher3.util.SplitConfigurationOptions.StagePosition; |
| import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds; |
| import com.android.launcher3.views.BaseDragLayer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class PortraitPagedViewHandler implements PagedOrientationHandler { |
| |
| private final Matrix mTmpMatrix = new Matrix(); |
| private final RectF mTmpRectF = new RectF(); |
| |
| @Override |
| public <T> T getPrimaryValue(T x, T y) { |
| return x; |
| } |
| |
| @Override |
| public <T> T getSecondaryValue(T x, T y) { |
| return y; |
| } |
| |
| @Override |
| public int getPrimaryValue(int x, int y) { |
| return x; |
| } |
| |
| @Override |
| public int getSecondaryValue(int x, int y) { |
| return y; |
| } |
| |
| @Override |
| public float getPrimaryValue(float x, float y) { |
| return x; |
| } |
| |
| @Override |
| public float getSecondaryValue(float x, float y) { |
| return y; |
| } |
| |
| @Override |
| public boolean isLayoutNaturalToLauncher() { |
| return true; |
| } |
| |
| @Override |
| public void adjustFloatingIconStartVelocity(PointF velocity) { |
| //no-op |
| } |
| |
| @Override |
| public <T> void setPrimary(T target, Int2DAction<T> action, int param) { |
| action.call(target, param, 0); |
| } |
| |
| @Override |
| public <T> void setPrimary(T target, Float2DAction<T> action, float param) { |
| action.call(target, param, 0); |
| } |
| |
| @Override |
| public <T> void setSecondary(T target, Float2DAction<T> action, float param) { |
| action.call(target, 0, param); |
| } |
| |
| @Override |
| public <T> void set(T target, Int2DAction<T> action, int primaryParam, |
| int secondaryParam) { |
| action.call(target, primaryParam, secondaryParam); |
| } |
| |
| @Override |
| public float getPrimaryDirection(MotionEvent event, int pointerIndex) { |
| return event.getX(pointerIndex); |
| } |
| |
| @Override |
| public float getPrimaryVelocity(VelocityTracker velocityTracker, int pointerId) { |
| return velocityTracker.getXVelocity(pointerId); |
| } |
| |
| @Override |
| public int getMeasuredSize(View view) { |
| return view.getMeasuredWidth(); |
| } |
| |
| @Override |
| public int getPrimarySize(View view) { |
| return view.getWidth(); |
| } |
| |
| @Override |
| public float getPrimarySize(RectF rect) { |
| return rect.width(); |
| } |
| |
| @Override |
| public float getStart(RectF rect) { |
| return rect.left; |
| } |
| |
| @Override |
| public float getEnd(RectF rect) { |
| return rect.right; |
| } |
| |
| @Override |
| public int getClearAllSidePadding(View view, boolean isRtl) { |
| return (isRtl ? view.getPaddingRight() : - view.getPaddingLeft()) / 2; |
| } |
| |
| @Override |
| public int getSecondaryDimension(View view) { |
| return view.getHeight(); |
| } |
| |
| @Override |
| public FloatProperty<View> getPrimaryViewTranslate() { |
| return VIEW_TRANSLATE_X; |
| } |
| |
| @Override |
| public FloatProperty<View> getSecondaryViewTranslate() { |
| return VIEW_TRANSLATE_Y; |
| } |
| |
| @Override |
| public int getSplitTaskViewDismissDirection(@StagePosition int stagePosition, |
| DeviceProfile dp) { |
| if (stagePosition == STAGE_POSITION_TOP_OR_LEFT) { |
| if (dp.isLandscape) { |
| // Left side |
| return SPLIT_TRANSLATE_PRIMARY_NEGATIVE; |
| } else { |
| // Top side |
| return SPLIT_TRANSLATE_SECONDARY_NEGATIVE; |
| } |
| } else if (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) { |
| // We don't have a bottom option, so should be right |
| return SPLIT_TRANSLATE_PRIMARY_POSITIVE; |
| } |
| throw new IllegalStateException("Invalid split stage position: " + stagePosition); |
| } |
| |
| @Override |
| public int getPrimaryScroll(View view) { |
| return view.getScrollX(); |
| } |
| |
| @Override |
| public float getPrimaryScale(View view) { |
| return view.getScaleX(); |
| } |
| |
| @Override |
| public void setMaxScroll(AccessibilityEvent event, int maxScroll) { |
| event.setMaxScrollX(maxScroll); |
| } |
| |
| @Override |
| public boolean getRecentsRtlSetting(Resources resources) { |
| return !Utilities.isRtl(resources); |
| } |
| |
| @Override |
| public float getDegreesRotated() { |
| return 0; |
| } |
| |
| @Override |
| public int getRotation() { |
| return Surface.ROTATION_0; |
| } |
| |
| @Override |
| public void setPrimaryScale(View view, float scale) { |
| view.setScaleX(scale); |
| } |
| |
| @Override |
| public void setSecondaryScale(View view, float scale) { |
| view.setScaleY(scale); |
| } |
| |
| @Override |
| public int getChildStart(View view) { |
| return view.getLeft(); |
| } |
| |
| @Override |
| public int getCenterForPage(View view, Rect insets) { |
| return (view.getPaddingTop() + view.getMeasuredHeight() + insets.top |
| - insets.bottom - view.getPaddingBottom()) / 2; |
| } |
| |
| @Override |
| public int getScrollOffsetStart(View view, Rect insets) { |
| return insets.left + view.getPaddingLeft(); |
| } |
| |
| @Override |
| public int getScrollOffsetEnd(View view, Rect insets) { |
| return view.getWidth() - view.getPaddingRight() - insets.right; |
| } |
| |
| public int getSecondaryTranslationDirectionFactor() { |
| return -1; |
| } |
| |
| @Override |
| public int getSplitTranslationDirectionFactor(int stagePosition, DeviceProfile deviceProfile) { |
| if (deviceProfile.isLandscape && stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) { |
| return -1; |
| } else { |
| return 1; |
| } |
| } |
| |
| @Override |
| public float getTaskMenuX(float x, View thumbnailView, int overScroll, |
| DeviceProfile deviceProfile) { |
| if (deviceProfile.isLandscape) { |
| return x + overScroll |
| + (thumbnailView.getMeasuredWidth() - thumbnailView.getMeasuredHeight()) / 2f; |
| } else { |
| return x + overScroll; |
| } |
| } |
| |
| @Override |
| public float getTaskMenuY(float y, View thumbnailView, int overScroll) { |
| return y; |
| } |
| |
| @Override |
| public int getTaskMenuWidth(View view, DeviceProfile deviceProfile) { |
| return deviceProfile.isLandscape && !deviceProfile.overviewShowAsGrid ? |
| view.getMeasuredHeight() : |
| view.getMeasuredWidth(); |
| } |
| |
| @Override |
| public void setTaskOptionsMenuLayoutOrientation(DeviceProfile deviceProfile, |
| LinearLayout taskMenuLayout, int dividerSpacing, |
| ShapeDrawable dividerDrawable) { |
| taskMenuLayout.setOrientation(LinearLayout.VERTICAL); |
| dividerDrawable.setIntrinsicHeight(dividerSpacing); |
| taskMenuLayout.setDividerDrawable(dividerDrawable); |
| } |
| |
| @Override |
| public void setLayoutParamsForTaskMenuOptionItem(LinearLayout.LayoutParams lp, |
| LinearLayout viewGroup, DeviceProfile deviceProfile) { |
| viewGroup.setOrientation(LinearLayout.HORIZONTAL); |
| lp.width = LinearLayout.LayoutParams.MATCH_PARENT; |
| lp.height = WRAP_CONTENT; |
| } |
| |
| @Override |
| public void setTaskMenuAroundTaskView(LinearLayout taskView, float margin) { |
| BaseDragLayer.LayoutParams lp = (BaseDragLayer.LayoutParams) taskView.getLayoutParams(); |
| lp.topMargin += margin; |
| lp.leftMargin += margin; |
| } |
| |
| @Override |
| public PointF getAdditionalInsetForTaskMenu(float margin) { |
| return new PointF(0, 0); |
| } |
| |
| /* ---------- The following are only used by TaskViewTouchHandler. ---------- */ |
| |
| @Override |
| public SingleAxisSwipeDetector.Direction getUpDownSwipeDirection() { |
| return VERTICAL; |
| } |
| |
| @Override |
| public int getUpDirection(boolean isRtl) { |
| // Ignore rtl since it only affects X value displacement, Y displacement doesn't change |
| return SingleAxisSwipeDetector.DIRECTION_POSITIVE; |
| } |
| |
| @Override |
| public boolean isGoingUp(float displacement, boolean isRtl) { |
| // Ignore rtl since it only affects X value displacement, Y displacement doesn't change |
| return displacement < 0; |
| } |
| |
| @Override |
| public int getTaskDragDisplacementFactor(boolean isRtl) { |
| // Ignore rtl since it only affects X value displacement, Y displacement doesn't change |
| return 1; |
| } |
| |
| /* -------------------- */ |
| |
| @Override |
| public ChildBounds getChildBounds(View child, int childStart, int pageCenter, |
| boolean layoutChild) { |
| final int childWidth = child.getMeasuredWidth(); |
| final int childRight = childStart + childWidth; |
| final int childHeight = child.getMeasuredHeight(); |
| final int childTop = pageCenter - childHeight / 2; |
| if (layoutChild) { |
| child.layout(childStart, childTop, childRight, childTop + childHeight); |
| } |
| return new ChildBounds(childWidth, childHeight, childRight, childTop); |
| } |
| |
| @Override |
| public int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect) { |
| return dp.heightPx - rect.bottom; |
| } |
| |
| @Override |
| public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) { |
| List<SplitPositionOption> options = new ArrayList<>(1); |
| // Add both left and right options if we're in tablet mode |
| if (dp.isTablet && dp.isLandscape) { |
| options.add(new SplitPositionOption( |
| R.drawable.ic_split_right, R.string.split_screen_position_right, |
| STAGE_POSITION_BOTTOM_OR_RIGHT, STAGE_TYPE_MAIN)); |
| options.add(new SplitPositionOption( |
| R.drawable.ic_split_left, R.string.split_screen_position_left, |
| STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN)); |
| } else { |
| if (dp.isSeascape()) { |
| // Add left/right options |
| options.add(new SplitPositionOption( |
| R.drawable.ic_split_right, R.string.split_screen_position_right, |
| STAGE_POSITION_BOTTOM_OR_RIGHT, STAGE_TYPE_MAIN)); |
| } else if (dp.isLandscape) { |
| options.add(new SplitPositionOption( |
| R.drawable.ic_split_left, R.string.split_screen_position_left, |
| STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN)); |
| } else { |
| // Only add top option |
| options.add(new SplitPositionOption( |
| R.drawable.ic_split_top, R.string.split_screen_position_top, |
| STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN)); |
| } |
| } |
| return options; |
| } |
| |
| @Override |
| public void getInitialSplitPlaceholderBounds(int placeholderHeight, DeviceProfile dp, |
| @StagePosition int stagePosition, Rect out) { |
| int width = dp.widthPx; |
| out.set(0, 0, width, placeholderHeight); |
| if (!dp.isLandscape) { |
| // portrait, phone or tablet - spans width of screen, nothing else to do |
| return; |
| } |
| |
| // Now we rotate the portrait rect depending on what side we want pinned |
| boolean pinToRight = stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT; |
| |
| int screenHeight = dp.heightPx; |
| float postRotateScale = (float) screenHeight / width; |
| mTmpMatrix.reset(); |
| mTmpMatrix.postRotate(pinToRight ? 90 : 270); |
| mTmpMatrix.postTranslate(pinToRight ? width : 0, pinToRight ? 0 : width); |
| // The placeholder height stays constant after rotation, so we don't change width scale |
| mTmpMatrix.postScale(1, postRotateScale); |
| |
| mTmpRectF.set(out); |
| mTmpMatrix.mapRect(mTmpRectF); |
| mTmpRectF.roundOut(out); |
| } |
| |
| @Override |
| public void getFinalSplitPlaceholderBounds(int splitDividerSize, DeviceProfile dp, |
| @StagePosition int stagePosition, Rect out1, Rect out2) { |
| int screenHeight = dp.heightPx; |
| int screenWidth = dp.widthPx; |
| out1.set(0, 0, screenWidth, screenHeight / 2 - splitDividerSize); |
| out2.set(0, screenHeight / 2 + splitDividerSize, screenWidth, screenHeight); |
| if (!dp.isLandscape) { |
| // Portrait - the window bounds are always top and bottom half |
| return; |
| } |
| |
| // Now we rotate the portrait rect depending on what side we want pinned |
| boolean pinToRight = stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT; |
| float postRotateScale = (float) screenHeight / screenWidth; |
| |
| mTmpMatrix.reset(); |
| mTmpMatrix.postRotate(pinToRight ? 90 : 270); |
| mTmpMatrix.postTranslate(pinToRight ? screenHeight : 0, pinToRight ? 0 : screenWidth); |
| mTmpMatrix.postScale(1 / postRotateScale, postRotateScale); |
| |
| mTmpRectF.set(out1); |
| mTmpMatrix.mapRect(mTmpRectF); |
| mTmpRectF.roundOut(out1); |
| |
| mTmpRectF.set(out2); |
| mTmpMatrix.mapRect(mTmpRectF); |
| mTmpRectF.roundOut(out2); |
| } |
| |
| @Override |
| public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect, |
| StagedSplitBounds splitInfo, int desiredStagePosition) { |
| boolean isLandscape = dp.isLandscape; |
| if (desiredStagePosition == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) { |
| if (isLandscape) { |
| outRect.right = outRect.left + (int) (outRect.width() * splitInfo.leftTaskPercent); |
| } else { |
| outRect.bottom = outRect.top + (int) (outRect.height() * splitInfo.topTaskPercent); |
| } |
| } else { |
| if (isLandscape) { |
| outRect.left += (int) (outRect.width() * |
| (splitInfo.leftTaskPercent + splitInfo.dividerWidthPercent)); |
| } else { |
| outRect.top += (int) (outRect.height() * |
| (splitInfo.topTaskPercent + splitInfo.dividerHeightPercent)); |
| } |
| } |
| } |
| |
| @Override |
| public void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot, |
| int parentWidth, int parentHeight, |
| StagedSplitBounds splitBoundsConfig, DeviceProfile dp) { |
| int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx; |
| int totalThumbnailHeight = parentHeight - spaceAboveSnapshot; |
| int dividerBar = splitBoundsConfig.appsStackedVertically |
| ? (int) (splitBoundsConfig.dividerHeightPercent * parentHeight) |
| : (int) (splitBoundsConfig.dividerWidthPercent * parentWidth); |
| int primarySnapshotHeight; |
| int primarySnapshotWidth; |
| int secondarySnapshotHeight; |
| int secondarySnapshotWidth; |
| float taskPercent = splitBoundsConfig.appsStackedVertically ? |
| splitBoundsConfig.topTaskPercent : splitBoundsConfig.leftTaskPercent; |
| if (dp.isLandscape) { |
| primarySnapshotHeight = totalThumbnailHeight; |
| primarySnapshotWidth = (int) (parentWidth * taskPercent); |
| |
| secondarySnapshotHeight = totalThumbnailHeight; |
| secondarySnapshotWidth = parentWidth - primarySnapshotWidth - dividerBar; |
| int translationX = primarySnapshotWidth + dividerBar; |
| secondarySnapshot.setTranslationX(translationX); |
| secondarySnapshot.setTranslationY(spaceAboveSnapshot); |
| } else { |
| primarySnapshotWidth = parentWidth; |
| primarySnapshotHeight = (int) (totalThumbnailHeight * taskPercent); |
| |
| secondarySnapshotWidth = parentWidth; |
| secondarySnapshotHeight = totalThumbnailHeight - primarySnapshotHeight - dividerBar; |
| int translationY = primarySnapshotHeight + spaceAboveSnapshot + dividerBar; |
| secondarySnapshot.setTranslationY(translationY); |
| secondarySnapshot.setTranslationX(0); |
| } |
| primarySnapshot.measure( |
| View.MeasureSpec.makeMeasureSpec(primarySnapshotWidth, View.MeasureSpec.EXACTLY), |
| View.MeasureSpec.makeMeasureSpec(primarySnapshotHeight, View.MeasureSpec.EXACTLY)); |
| secondarySnapshot.measure( |
| View.MeasureSpec.makeMeasureSpec(secondarySnapshotWidth, View.MeasureSpec.EXACTLY), |
| View.MeasureSpec.makeMeasureSpec(secondarySnapshotHeight, |
| View.MeasureSpec.EXACTLY)); |
| } |
| |
| @Override |
| public void setIconAndSnapshotParams(View iconView, int taskIconMargin, int taskIconHeight, |
| FrameLayout.LayoutParams snapshotParams, boolean isRtl) { |
| FrameLayout.LayoutParams iconParams = |
| (FrameLayout.LayoutParams) iconView.getLayoutParams(); |
| iconParams.gravity = TOP | CENTER_HORIZONTAL; |
| iconParams.leftMargin = iconParams.rightMargin = 0; |
| iconParams.topMargin = taskIconMargin; |
| } |
| |
| @Override |
| public void setSplitIconParams(View primaryIconView, View secondaryIconView, |
| int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight, |
| boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) { |
| FrameLayout.LayoutParams primaryIconParams = |
| (FrameLayout.LayoutParams) primaryIconView.getLayoutParams(); |
| FrameLayout.LayoutParams secondaryIconParams = |
| new FrameLayout.LayoutParams(primaryIconParams); |
| int dividerBar = (splitConfig.appsStackedVertically ? |
| splitConfig.visualDividerBounds.height() : |
| splitConfig.visualDividerBounds.width()); |
| |
| if (deviceProfile.isLandscape) { |
| primaryIconParams.gravity = TOP | START; |
| primaryIconView.setTranslationX( |
| primarySnapshotWidth - primaryIconView.getMeasuredWidth()); |
| primaryIconView.setTranslationY(0); |
| secondaryIconParams.gravity = TOP | START; |
| secondaryIconView.setTranslationX(primarySnapshotWidth + dividerBar); |
| } else { |
| primaryIconParams.gravity = TOP | CENTER_HORIZONTAL; |
| primaryIconView.setTranslationX(-(primaryIconView.getMeasuredWidth()) / 2f); |
| primaryIconView.setTranslationY(0); |
| |
| secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL; |
| secondaryIconView.setTranslationX(secondaryIconView.getMeasuredWidth() / 2f); |
| } |
| secondaryIconView.setTranslationY(0); |
| primaryIconView.setLayoutParams(primaryIconParams); |
| secondaryIconView.setLayoutParams(secondaryIconParams); |
| } |
| |
| @Override |
| public int getDefaultSplitPosition(DeviceProfile deviceProfile) { |
| if (!deviceProfile.isTablet) { |
| throw new IllegalStateException("Default position available only for large screens"); |
| } |
| if (deviceProfile.isLandscape) { |
| return STAGE_POSITION_BOTTOM_OR_RIGHT; |
| } else { |
| return STAGE_POSITION_TOP_OR_LEFT; |
| } |
| } |
| |
| @Override |
| public Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary, |
| FloatProperty secondary, DeviceProfile deviceProfile) { |
| if (deviceProfile.isLandscape) { // or seascape |
| return new Pair<>(primary, secondary); |
| } else { |
| return new Pair<>(secondary, primary); |
| } |
| } |
| } |