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Merge "Adjust edit state drop targets and workspace scaling per device type and orientation." into tm-dev

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This commit is contained in:
Pat Manning
2022-04-06 11:08:22 +00:00
committed by Android (Google) Code Review
parent f5f589ad52 de25c0db36
commit 690661159e
11 changed files with 248 additions and 97 deletions
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res/drawable/drop_target_frame.xml
+1 -1
View File
@@ -17,6 +17,6 @@
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="@android:color/transparent" />
<corners android:radius="28dp" />
<corners android:radius="80dp" />
<stroke android:width="2dp" android:color="?attr/workspaceAccentColor" />
</shape>
res/values-land/dimens.xml
+9
View File
@@ -23,7 +23,16 @@
<!-- Dynamic grid -->
<dimen name="dynamic_grid_icon_drawable_padding">4dp</dimen>
<dimen name="dynamic_grid_drop_target_size">36dp</dimen>
<!-- Hotseat -->
<dimen name="dynamic_grid_hotseat_side_padding">16dp</dimen>
<dimen name="spring_loaded_hotseat_top_margin">45dp</dimen>
<!-- Dragging -->
<dimen name="drop_target_button_gap">28dp</dimen>
<dimen name="drop_target_button_drawable_horizontal_padding">16dp</dimen>
<dimen name="drop_target_button_drawable_vertical_padding">2dp</dimen>
<dimen name="drop_target_top_margin">6dp</dimen>
<dimen name="drop_target_bottom_margin">6dp</dimen>
</resources>
res/values-sw600dp-land/dimens.xml
+25
View File
@@ -0,0 +1,25 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (C) 2022 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.
-->
<resources>
<!-- Hotseat -->
<dimen name="spring_loaded_hotseat_top_margin">44dp</dimen>
<!-- Dragging -->
<dimen name="drop_target_top_margin">0dp</dimen>
<dimen name="drop_target_bottom_margin">16dp</dimen>
</resources>
res/values-sw600dp/dimens.xml
+8
View File
@@ -36,4 +36,12 @@
<!-- Hotseat -->
<dimen name="dynamic_grid_hotseat_side_padding">0dp</dimen>
<dimen name="spring_loaded_hotseat_top_margin">97dp</dimen>
<!-- Dragging -->
<dimen name="drop_target_top_margin">34dp</dimen>
<dimen name="drop_target_bottom_margin">16dp</dimen>
<dimen name="drop_target_button_drawable_horizontal_padding">16dp</dimen>
<dimen name="drop_target_button_drawable_vertical_padding">16dp</dimen>
<dimen name="dynamic_grid_drop_target_size">56dp</dimen>
</resources>
res/values-sw720dp-land/dimens.xml
+9 -2
View File
@@ -15,9 +15,16 @@
-->
<resources>
<!-- Widget picker-->
<!-- Dragging-->
<dimen name="drop_target_top_margin">0dp</dimen>
<dimen name="drop_target_bottom_margin">32dp</dimen>
<!-- Hotseat -->
<dimen name="spring_loaded_hotseat_top_margin">64dp</dimen>
<!-- Widget picker-->
<dimen name="widget_list_horizontal_margin">49dp</dimen>
<!-- Bottom sheet-->
<!-- Bottom sheet-->
<dimen name="bottom_sheet_extra_top_padding">0dp</dimen>
</resources>
res/values-sw720dp/dimens.xml
+12
View File
@@ -18,6 +18,18 @@
<!-- AllApps -->
<dimen name="all_apps_bottom_sheet_horizontal_padding">65dp</dimen>
<!-- Dragging -->
<dimen name="drop_target_text_size">20sp</dimen>
<dimen name="dynamic_grid_drop_target_size">72dp</dimen>
<dimen name="drop_target_button_drawable_horizontal_padding">24dp</dimen>
<dimen name="drop_target_button_drawable_vertical_padding">20dp</dimen>
<dimen name="drop_target_button_gap">32dp</dimen>
<dimen name="drop_target_top_margin">32dp</dimen>
<dimen name="drop_target_bottom_margin">32dp</dimen>
<!-- Hotseat -->
<dimen name="spring_loaded_hotseat_top_margin">164dp</dimen>
<!-- Widget picker-->
<dimen name="widget_list_horizontal_margin">30dp</dimen>
res/values/config.xml
-3
View File
@@ -22,9 +22,6 @@
<item type="id" name="drag_event_parity" />
<!-- AllApps & Launcher transitions -->
<!-- Out of 100, the percent to shrink the workspace during spring loaded mode. -->
<integer name="config_workspaceSpringLoadShrinkPercentage">85</integer>
<!-- The duration of the animation from search hint to text entry -->
<integer name="config_searchHintAnimationDuration">50</integer>
res/values/dimens.xml
+7 -1
View File
@@ -34,6 +34,7 @@
<dimen name="dynamic_grid_hotseat_bottom_padding">2dp</dimen>
<dimen name="dynamic_grid_hotseat_bottom_tall_padding">0dp</dimen>
<dimen name="inline_qsb_bottom_margin">0dp</dimen>
<dimen name="spring_loaded_hotseat_top_margin">76dp</dimen>
<!-- Qsb -->
<!-- Used for adjusting the position of QSB when placed in hotseat. This is a ratio and a higher
@@ -55,8 +56,10 @@
<dimen name="workspace_page_indicator_overlap_workspace">0dp</dimen>
<!-- Drop target bar -->
<dimen name="dynamic_grid_drop_target_size">52dp</dimen>
<dimen name="dynamic_grid_drop_target_size">56dp</dimen>
<dimen name="drop_target_vertical_gap">20dp</dimen>
<dimen name="drop_target_top_margin">36dp</dimen>
<dimen name="drop_target_bottom_margin">16dp</dimen>
<!-- App Widget resize frame -->
<dimen name="widget_handle_margin">13dp</dimen>
@@ -207,6 +210,9 @@
<dimen name="drop_target_shadow_elevation">2dp</dimen>
<dimen name="drop_target_bar_margin_horizontal">4dp</dimen>
<dimen name="drop_target_button_drawable_padding">8dp</dimen>
<dimen name="drop_target_button_drawable_horizontal_padding">16dp</dimen>
<dimen name="drop_target_button_drawable_vertical_padding">8dp</dimen>
<dimen name="drop_target_button_gap">22dp</dimen>
<!-- the distance an icon must be dragged before button drop targets accept it -->
<dimen name="drag_distanceThreshold">30dp</dimen>
src/com/android/launcher3/DeviceProfile.java
+68 -13
View File
@@ -108,7 +108,8 @@ public class DeviceProfile {
public final int cellLayoutPaddingLeftRightPx;
public final int cellLayoutBottomPaddingPx;
public final int edgeMarginPx;
public float workspaceSpringLoadShrinkFactor;
public float workspaceSpringLoadShrunkTop;
public float workspaceSpringLoadShrunkBottom;
public final int workspaceSpringLoadedBottomSpace;
private final int extraSpace;
@@ -164,6 +165,7 @@ public class DeviceProfile {
public int hotseatBarSizePx;
public int hotseatBarTopPaddingPx;
public final int hotseatBarBottomPaddingPx;
public int springLoadedHotseatBarTopMarginPx;
// Start is the side next to the nav bar, end is the side next to the workspace
public final int hotseatBarSidePaddingStartPx;
public final int hotseatBarSidePaddingEndPx;
@@ -209,8 +211,13 @@ public class DeviceProfile {
// Drop Target
public int dropTargetBarSizePx;
public int dropTargetBarTopMarginPx;
public int dropTargetBarBottomMarginPx;
public int dropTargetDragPaddingPx;
public int dropTargetTextSizePx;
public int dropTargetHorizontalPaddingPx;
public int dropTargetVerticalPaddingPx;
public int dropTargetGapPx;
// Insets
private final Rect mInsets = new Rect();
@@ -347,8 +354,15 @@ public class DeviceProfile {
res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
dropTargetBarSizePx = res.getDimensionPixelSize(R.dimen.dynamic_grid_drop_target_size);
dropTargetBarTopMarginPx = res.getDimensionPixelSize(R.dimen.drop_target_top_margin);
dropTargetBarBottomMarginPx = res.getDimensionPixelSize(R.dimen.drop_target_bottom_margin);
dropTargetDragPaddingPx = res.getDimensionPixelSize(R.dimen.drop_target_drag_padding);
dropTargetTextSizePx = res.getDimensionPixelSize(R.dimen.drop_target_text_size);
dropTargetHorizontalPaddingPx = res.getDimensionPixelSize(
R.dimen.drop_target_button_drawable_horizontal_padding);
dropTargetVerticalPaddingPx = res.getDimensionPixelSize(
R.dimen.drop_target_button_drawable_vertical_padding);
dropTargetGapPx = res.getDimensionPixelSize(R.dimen.drop_target_button_gap);
workspaceSpringLoadedBottomSpace =
res.getDimensionPixelSize(R.dimen.dynamic_grid_min_spring_loaded_space);
@@ -389,6 +403,8 @@ public class DeviceProfile {
+ res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
qsbWidth = 0;
}
springLoadedHotseatBarTopMarginPx = res.getDimensionPixelSize(
R.dimen.spring_loaded_hotseat_top_margin);
hotseatBarSidePaddingEndPx =
res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
// Add a bit of space between nav bar and hotseat in vertical bar layout.
@@ -744,18 +760,6 @@ public class DeviceProfile {
}
updateHotseatIconSize(iconSizePx);
if (!isVerticalLayout) {
int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx
- workspacePageIndicatorHeight - edgeMarginPx;
float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace;
workspaceSpringLoadShrinkFactor = Math.min(
res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f,
1 - (minRequiredHeight / expectedWorkspaceHeight));
} else {
workspaceSpringLoadShrinkFactor =
res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f;
}
// Folder icon
folderIconSizePx = IconNormalizer.getNormalizedCircleSize(iconSizePx);
folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
@@ -897,6 +901,41 @@ public class DeviceProfile {
return result;
}
/**
* Gets the space in px from the bottom of last item in the vertical-bar hotseat to the
* bottom of the screen.
*/
public int getVerticalHotseatLastItemBottomOffset() {
int cellHeight = calculateCellHeight(
heightPx - mHotseatPadding.top - mHotseatPadding.bottom, hotseatBorderSpace,
numShownHotseatIcons);
int hotseatSize = (cellHeight * numShownHotseatIcons)
+ (hotseatBorderSpace * (numShownHotseatIcons - 1));
int extraHotseatEndSpacing = (heightPx - hotseatSize) / 2;
int extraIconEndSpacing = (cellHeight - iconSizePx) / 2;
return extraHotseatEndSpacing + extraIconEndSpacing + mHotseatPadding.bottom;
}
/**
* Gets the scaled top of the workspace in px for the spring-loaded edit state.
*/
public float getWorkspaceSpringLoadShrunkTop() {
workspaceSpringLoadShrunkTop = mInsets.top + dropTargetBarTopMarginPx + dropTargetBarSizePx
+ dropTargetBarBottomMarginPx;
return workspaceSpringLoadShrunkTop;
}
/**
* Gets the scaled bottom of the workspace in px for the spring-loaded edit state.
*/
public float getWorkspaceSpringLoadShrunkBottom() {
int topOfHotseat = hotseatBarSizePx + springLoadedHotseatBarTopMarginPx;
workspaceSpringLoadShrunkBottom =
heightPx - (isVerticalBarLayout() ? getVerticalHotseatLastItemBottomOffset()
: topOfHotseat);
return workspaceSpringLoadShrunkBottom;
}
public int getWorkspaceWidth() {
return getWorkspaceWidth(getTotalWorkspacePadding());
}
@@ -1206,6 +1245,12 @@ public class DeviceProfile {
hotseatBarSidePaddingStartPx));
writer.println(prefix + pxToDpStr("hotseatBarSidePaddingEndPx",
hotseatBarSidePaddingEndPx));
writer.println(prefix + pxToDpStr("springLoadedHotseatBarTopMarginPx",
springLoadedHotseatBarTopMarginPx));
writer.println(prefix + pxToDpStr("mHotseatPadding.top", mHotseatPadding.top));
writer.println(prefix + pxToDpStr("mHotseatPadding.bottom", mHotseatPadding.bottom));
writer.println(prefix + pxToDpStr("mHotseatPadding.left", mHotseatPadding.left));
writer.println(prefix + pxToDpStr("mHotseatPadding.right", mHotseatPadding.right));
writer.println(prefix + "\tnumShownHotseatIcons: " + numShownHotseatIcons);
writer.println(prefix + pxToDpStr("hotseatBorderSpace", hotseatBorderSpace));
writer.println(prefix + "\tisQsbInline: " + isQsbInline);
@@ -1256,6 +1301,16 @@ public class DeviceProfile {
writer.println(prefix + pxToDpStr("overviewPageSpacing", overviewPageSpacing));
writer.println(prefix + pxToDpStr("overviewRowSpacing", overviewRowSpacing));
writer.println(prefix + pxToDpStr("overviewGridSideMargin", overviewGridSideMargin));
writer.println(prefix + pxToDpStr("dropTargetBarTopMarginPx", dropTargetBarTopMarginPx));
writer.println(prefix + pxToDpStr("dropTargetBarSizePx", dropTargetBarSizePx));
writer.println(
prefix + pxToDpStr("dropTargetBarBottomMarginPx", dropTargetBarBottomMarginPx));
writer.println(
prefix + pxToDpStr("workspaceSpringLoadShrunkTop", workspaceSpringLoadShrunkTop));
writer.println(prefix + pxToDpStr("workspaceSpringLoadShrunkBottom",
workspaceSpringLoadShrunkBottom));
}
private static Context getContext(Context c, Info info, int orientation, WindowBounds bounds) {
src/com/android/launcher3/DropTargetBar.java
+105 -59
View File
@@ -17,8 +17,6 @@
package com.android.launcher3;
import static com.android.launcher3.ButtonDropTarget.TOOLTIP_DEFAULT;
import static com.android.launcher3.ButtonDropTarget.TOOLTIP_LEFT;
import static com.android.launcher3.ButtonDropTarget.TOOLTIP_RIGHT;
import static com.android.launcher3.anim.AlphaUpdateListener.updateVisibility;
import android.animation.TimeInterpolator;
@@ -41,6 +39,8 @@ import com.android.launcher3.dragndrop.DragController.DragListener;
import com.android.launcher3.dragndrop.DragOptions;
import com.android.launcher3.testing.TestProtocol;
import java.util.Arrays;
/*
* The top bar containing various drop targets: Delete/App Info/Uninstall.
*/
@@ -94,30 +94,28 @@ public class DropTargetBar extends FrameLayout
lp.rightMargin = insets.right;
int tooltipLocation = TOOLTIP_DEFAULT;
if (grid.isVerticalBarLayout()) {
lp.width = grid.dropTargetBarSizePx;
lp.height = grid.availableHeightPx - 2 * grid.edgeMarginPx;
lp.gravity = grid.isSeascape() ? Gravity.RIGHT : Gravity.LEFT;
tooltipLocation = grid.isSeascape() ? TOOLTIP_LEFT : TOOLTIP_RIGHT;
int horizontalMargin;
if (grid.isTablet) {
// XXX: If the icon size changes across orientations, we will have to take
// that into account here too.
horizontalMargin = ((grid.widthPx - 2 * grid.edgeMarginPx
- (grid.inv.numColumns * grid.cellWidthPx))
/ (2 * (grid.inv.numColumns + 1)))
+ grid.edgeMarginPx;
} else {
int gap;
if (grid.isTablet) {
// XXX: If the icon size changes across orientations, we will have to take
// that into account here too.
gap = ((grid.widthPx - 2 * grid.edgeMarginPx
- (grid.inv.numColumns * grid.cellWidthPx))
/ (2 * (grid.inv.numColumns + 1)))
+ grid.edgeMarginPx;
} else {
gap = getContext().getResources()
.getDimensionPixelSize(R.dimen.drop_target_bar_margin_horizontal);
}
lp.width = grid.availableWidthPx - 2 * gap;
lp.topMargin += grid.edgeMarginPx;
lp.height = grid.dropTargetBarSizePx;
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
horizontalMargin = getContext().getResources()
.getDimensionPixelSize(R.dimen.drop_target_bar_margin_horizontal);
}
lp.topMargin += grid.dropTargetBarTopMarginPx;
lp.bottomMargin += grid.dropTargetBarBottomMarginPx;
lp.width = grid.availableWidthPx - 2 * horizontalMargin;
if (mIsVertical) {
lp.leftMargin = (grid.widthPx - lp.width) / 2;
lp.rightMargin = (grid.widthPx - lp.width) / 2;
}
lp.height = grid.dropTargetBarSizePx;
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
setLayoutParams(lp);
for (ButtonDropTarget button : mDropTargets) {
button.setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.dropTargetTextSizePx);
@@ -139,19 +137,7 @@ public class DropTargetBar extends FrameLayout
int height = MeasureSpec.getSize(heightMeasureSpec);
int visibleCount = getVisibleButtonsCount();
if (visibleCount == 0) {
// do nothing
} else if (mIsVertical) {
int widthSpec = MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY);
int heightSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
for (ButtonDropTarget button : mDropTargets) {
if (button.getVisibility() != GONE) {
button.setTextVisible(false);
button.measure(widthSpec, heightSpec);
}
}
} else {
if (visibleCount > 0) {
int availableWidth = width / visibleCount;
boolean textVisible = true;
for (ButtonDropTarget buttons : mDropTargets) {
@@ -176,31 +162,91 @@ public class DropTargetBar extends FrameLayout
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
int visibleCount = getVisibleButtonsCount();
if (visibleCount == 0) {
// do nothing
} else if (mIsVertical) {
int gap = getResources().getDimensionPixelSize(R.dimen.drop_target_vertical_gap);
int start = gap;
int end;
return;
}
for (ButtonDropTarget button : mDropTargets) {
if (button.getVisibility() != GONE) {
end = start + button.getMeasuredHeight();
button.layout(0, start, button.getMeasuredWidth(), end);
start = end + gap;
}
}
} else {
int frameSize = (right - left) / visibleCount;
Launcher launcher = Launcher.getLauncher(getContext());
Workspace workspace = launcher.getWorkspace();
DeviceProfile dp = launcher.getDeviceProfile();
int buttonHorizontalPadding = dp.dropTargetHorizontalPaddingPx;
int buttonVerticalPadding = dp.dropTargetVerticalPaddingPx;
int barCenter = (right - left) / 2;
int start = frameSize / 2;
int halfWidth;
for (ButtonDropTarget button : mDropTargets) {
if (button.getVisibility() != GONE) {
halfWidth = button.getMeasuredWidth() / 2;
button.layout(start - halfWidth, 0,
start + halfWidth, button.getMeasuredHeight());
start = start + frameSize;
ButtonDropTarget[] visibleButtons = Arrays.stream(mDropTargets)
.filter(b -> b.getVisibility() != GONE)
.toArray(ButtonDropTarget[]::new);
Arrays.stream(visibleButtons).forEach(
b -> b.setPadding(buttonHorizontalPadding, buttonVerticalPadding,
buttonHorizontalPadding, buttonVerticalPadding));
if (visibleCount == 1) {
ButtonDropTarget button = visibleButtons[0];
button.layout(barCenter - (button.getMeasuredWidth() / 2), 0,
barCenter + (button.getMeasuredWidth() / 2), button.getMeasuredHeight());
} else if (visibleCount == 2) {
int buttonGap = dp.dropTargetGapPx;
if (dp.isTwoPanels) {
ButtonDropTarget leftButton = visibleButtons[0];
leftButton.layout(barCenter - leftButton.getMeasuredWidth() - (buttonGap / 2), 0,
barCenter - (buttonGap / 2), leftButton.getMeasuredHeight());
ButtonDropTarget rightButton = visibleButtons[1];
rightButton.layout(barCenter + (buttonGap / 2), 0,
barCenter + rightButton.getMeasuredWidth() + (buttonGap / 2),
rightButton.getMeasuredHeight());
} else if (dp.isTablet) {
int numberOfMargins = visibleCount - 1;
int buttonWidths = Arrays.stream(mDropTargets)
.filter(b -> b.getVisibility() != GONE)
.mapToInt(ButtonDropTarget::getMeasuredWidth)
.sum();
int totalWidth = buttonWidths + (numberOfMargins * buttonGap);
int buttonsStartMargin = barCenter - (totalWidth / 2);
int start = buttonsStartMargin;
for (ButtonDropTarget button : visibleButtons) {
int margin = (start != buttonsStartMargin) ? buttonGap : 0;
button.layout(start + margin, 0, start + margin + button.getMeasuredWidth(),
button.getMeasuredHeight());
start += button.getMeasuredWidth() + margin;
}
} else if (mIsVertical) {
// Center buttons over workspace, not screen.
int verticalCenter = (workspace.getRight() - workspace.getLeft()) / 2;
ButtonDropTarget leftButton = visibleButtons[0];
leftButton.layout(verticalCenter - leftButton.getMeasuredWidth() - (buttonGap / 2),
0, verticalCenter - (buttonGap / 2), leftButton.getMeasuredHeight());
ButtonDropTarget rightButton = visibleButtons[1];
rightButton.layout(verticalCenter + (buttonGap / 2), 0,
verticalCenter + rightButton.getMeasuredWidth() + (buttonGap / 2),
rightButton.getMeasuredHeight());
} else if (dp.isPhone) {
// Buttons aligned to outer edges of scaled workspace.
float shrunkTop = dp.getWorkspaceSpringLoadShrunkTop();
float shrunkBottom = dp.getWorkspaceSpringLoadShrunkBottom();
float scale =
(shrunkBottom - shrunkTop) / launcher.getWorkspace().getNormalChildHeight();
int workspaceWidth = (int) (launcher.getWorkspace().getNormalChildWidth() * scale);
int start = barCenter - (workspaceWidth / 2);
int end = barCenter + (workspaceWidth / 2);
ButtonDropTarget leftButton = visibleButtons[0];
ButtonDropTarget rightButton = visibleButtons[1];
// If the text within the buttons is too long, the buttons can overlap
int overlap = start + leftButton.getMeasuredWidth() + rightButton.getMeasuredWidth()
- end;
if (overlap > 0) {
start -= overlap / 2;
end += overlap / 2;
}
leftButton.layout(start, 0, start + leftButton.getMeasuredWidth(),
leftButton.getMeasuredHeight());
rightButton.layout(end - rightButton.getMeasuredWidth(), 0, end,
rightButton.getMeasuredHeight());
}
}
}
src/com/android/launcher3/states/SpringLoadedState.java
+4 -18
View File
@@ -18,7 +18,6 @@ package com.android.launcher3.states;
import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
import android.content.Context;
import android.graphics.Rect;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
@@ -52,28 +51,15 @@ public class SpringLoadedState extends LauncherState {
return super.getWorkspaceScaleAndTranslation(launcher);
}
if (grid.isVerticalBarLayout()) {
float scale = grid.workspaceSpringLoadShrinkFactor;
return new ScaleAndTranslation(scale, 0, 0);
}
float scale = grid.workspaceSpringLoadShrinkFactor;
Rect insets = launcher.getDragLayer().getInsets();
float scaledHeight = scale * ws.getNormalChildHeight();
float shrunkTop = insets.top + grid.dropTargetBarSizePx;
float shrunkBottom = ws.getMeasuredHeight() - insets.bottom
- grid.workspacePadding.bottom
- grid.workspaceSpringLoadedBottomSpace;
float totalShrunkSpace = shrunkBottom - shrunkTop;
float desiredCellTop = shrunkTop + (totalShrunkSpace - scaledHeight) / 2;
float shrunkTop = grid.getWorkspaceSpringLoadShrunkTop();
float shrunkBottom = grid.getWorkspaceSpringLoadShrunkBottom();
float scale = (shrunkBottom - shrunkTop) / ws.getNormalChildHeight();
float halfHeight = ws.getHeight() / 2;
float myCenter = ws.getTop() + halfHeight;
float cellTopFromCenter = halfHeight - ws.getChildAt(0).getTop();
float actualCellTop = myCenter - cellTopFromCenter * scale;
return new ScaleAndTranslation(scale, 0, (desiredCellTop - actualCellTop) / scale);
return new ScaleAndTranslation(scale, 0, (shrunkTop - actualCellTop) / scale);
}
@Override