Update drop target button alignment across devices

- Partial re-land of http://ag/18520765
- Layout the buttons from center of screen for two panels, or from center of workspace for all other cases

Bug: 229789612
Fix: 231706480
Fix: 232063941
Fix: 232283628
Test: manual
Change-Id: Icbc9e2a19140ce3127d5dfe9f798a8ada336cea8
This commit is contained in:
Alex Chau
2022-05-23 10:42:25 +01:00
parent 2940565595
commit 906d882f91
4 changed files with 157 additions and 156 deletions

View File

@@ -39,8 +39,6 @@ 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.
*/
@@ -53,6 +51,8 @@ public class DropTargetBar extends FrameLayout
private final Runnable mFadeAnimationEndRunnable =
() -> updateVisibility(DropTargetBar.this);
private final Launcher mLauncher;
@ViewDebug.ExportedProperty(category = "launcher")
protected boolean mDeferOnDragEnd;
@@ -60,16 +60,19 @@ public class DropTargetBar extends FrameLayout
protected boolean mVisible = false;
private ButtonDropTarget[] mDropTargets;
private ButtonDropTarget[] mTempTargets;
private ViewPropertyAnimator mCurrentAnimation;
private boolean mIsVertical = true;
public DropTargetBar(Context context, AttributeSet attrs) {
super(context, attrs);
mLauncher = Launcher.getLauncher(context);
}
public DropTargetBar(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mLauncher = Launcher.getLauncher(context);
}
@Override
@@ -80,12 +83,13 @@ public class DropTargetBar extends FrameLayout
mDropTargets[i] = (ButtonDropTarget) getChildAt(i);
mDropTargets[i].setDropTargetBar(this);
}
mTempTargets = new ButtonDropTarget[getChildCount()];
}
@Override
public void setInsets(Rect insets) {
FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
DeviceProfile grid = Launcher.getLauncher(getContext()).getDeviceProfile();
DeviceProfile grid = mLauncher.getDeviceProfile();
mIsVertical = grid.isVerticalBarLayout();
lp.leftMargin = insets.left;
@@ -116,10 +120,15 @@ public class DropTargetBar extends FrameLayout
lp.height = grid.dropTargetBarSizePx;
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
DeviceProfile dp = mLauncher.getDeviceProfile();
int horizontalPadding = dp.dropTargetHorizontalPaddingPx;
int verticalPadding = dp.dropTargetVerticalPaddingPx;
setLayoutParams(lp);
for (ButtonDropTarget button : mDropTargets) {
button.setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.dropTargetTextSizePx);
button.setToolTipLocation(tooltipLocation);
button.setPadding(horizontalPadding, verticalPadding, horizontalPadding,
verticalPadding);
}
}
@@ -135,36 +144,69 @@ public class DropTargetBar extends FrameLayout
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = MeasureSpec.getSize(widthMeasureSpec);
int height = MeasureSpec.getSize(heightMeasureSpec);
int heightSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
int visibleCount = getVisibleButtonsCount();
if (visibleCount > 0) {
int availableWidth = width / visibleCount;
boolean textVisible = true;
boolean textResized = false;
float textSize = mDropTargets[0].getTextSize();
for (ButtonDropTarget button : mDropTargets) {
if (button.getVisibility() == GONE) {
continue;
}
if (button.isTextTruncated(availableWidth)) {
textSize = Math.min(textSize, button.resizeTextToFit(availableWidth));
textResized = true;
}
textVisible = textVisible && !button.isTextTruncated(availableWidth);
}
int visibleCount = getVisibleButtons(mTempTargets);
if (visibleCount == 1) {
int widthSpec = MeasureSpec.makeMeasureSpec(width, MeasureSpec.AT_MOST);
if (textResized) {
for (ButtonDropTarget button : mDropTargets) {
button.setTextSize(textSize);
}
ButtonDropTarget firstButton = mTempTargets[0];
firstButton.setTextVisible(true);
firstButton.setIconVisible(true);
firstButton.measure(widthSpec, heightSpec);
} else if (visibleCount == 2) {
DeviceProfile dp = mLauncher.getDeviceProfile();
int verticalPadding = dp.dropTargetVerticalPaddingPx;
int horizontalPadding = dp.dropTargetHorizontalPaddingPx;
ButtonDropTarget firstButton = mTempTargets[0];
firstButton.setTextVisible(true);
firstButton.setIconVisible(true);
firstButton.setTextMultiLine(false);
// Reset second button padding in case it was previously changed to multi-line text.
firstButton.setPadding(horizontalPadding, verticalPadding, horizontalPadding,
verticalPadding);
ButtonDropTarget secondButton = mTempTargets[1];
secondButton.setTextVisible(true);
secondButton.setIconVisible(true);
secondButton.setTextMultiLine(false);
// Reset second button padding in case it was previously changed to multi-line text.
secondButton.setPadding(horizontalPadding, verticalPadding, horizontalPadding,
verticalPadding);
float scale = dp.getWorkspaceSpringLoadScale();
int scaledPanelWidth = (int) (dp.getCellLayoutWidth() * scale);
int availableWidth;
if (dp.isTwoPanels) {
// Both buttons for two panel fit to the width of one Cell Layout (less
// half of the center gap between the buttons).
int halfButtonGap = dp.dropTargetGapPx / 2;
availableWidth = scaledPanelWidth - halfButtonGap / 2;
} else {
// Both buttons plus the button gap do not display past the edge of the scaled
// workspace.
availableWidth = (scaledPanelWidth - dp.dropTargetGapPx) / 2;
}
int widthSpec = MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST);
int heightSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
for (ButtonDropTarget button : mDropTargets) {
if (button.getVisibility() != GONE) {
button.setTextVisible(textVisible);
button.measure(widthSpec, heightSpec);
firstButton.measure(widthSpec, heightSpec);
secondButton.measure(widthSpec, heightSpec);
if (!mIsVertical) {
// Remove icons and put the button's text on two lines if text is truncated.
if (firstButton.isTextTruncated(availableWidth)) {
firstButton.setIconVisible(false);
firstButton.setTextMultiLine(true);
firstButton.setPadding(horizontalPadding, verticalPadding / 2,
horizontalPadding, verticalPadding / 2);
}
if (secondButton.isTextTruncated(availableWidth)) {
secondButton.setIconVisible(false);
secondButton.setTextMultiLine(true);
secondButton.setPadding(horizontalPadding, verticalPadding / 2,
horizontalPadding, verticalPadding / 2);
}
}
}
@@ -173,98 +215,49 @@ public class DropTargetBar extends FrameLayout
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
int visibleCount = getVisibleButtonsCount();
int visibleCount = getVisibleButtons(mTempTargets);
if (visibleCount == 0) {
return;
}
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;
ButtonDropTarget[] visibleButtons = Arrays.stream(mDropTargets)
.filter(b -> b.getVisibility() != GONE)
.toArray(ButtonDropTarget[]::new);
Arrays.stream(visibleButtons).forEach(
b -> b.setPadding(buttonHorizontalPadding, buttonVerticalPadding,
buttonHorizontalPadding, buttonVerticalPadding));
DeviceProfile dp = mLauncher.getDeviceProfile();
// Center vertical bar over scaled workspace, accounting for hotseat offset.
float scale = dp.getWorkspaceSpringLoadScale();
Workspace<?> ws = mLauncher.getWorkspace();
int barCenter;
if (dp.isTwoPanels) {
barCenter = (right - left) / 2;
} else {
int workspaceCenter = (ws.getLeft() + ws.getRight()) / 2;
int cellLayoutCenter = ((dp.getInsets().left + dp.workspacePadding.left) + (dp.widthPx
- dp.getInsets().right - dp.workspacePadding.right)) / 2;
int cellLayoutCenterOffset = (int) ((cellLayoutCenter - workspaceCenter) * scale);
barCenter = workspaceCenter + cellLayoutCenterOffset - left;
}
if (visibleCount == 1) {
ButtonDropTarget button = visibleButtons[0];
ButtonDropTarget button = mTempTargets[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 leftButton = mTempTargets[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 scale = dp.getWorkspaceSpringLoadScale();
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) {
end += overlap;
}
leftButton.layout(start, 0, start + leftButton.getMeasuredWidth(),
leftButton.getMeasuredHeight());
rightButton.layout(end - rightButton.getMeasuredWidth(), 0, end,
rightButton.getMeasuredHeight());
}
ButtonDropTarget rightButton = mTempTargets[1];
rightButton.layout(barCenter + (buttonGap / 2), 0,
barCenter + (buttonGap / 2) + rightButton.getMeasuredWidth(),
rightButton.getMeasuredHeight());
}
}
private int getVisibleButtonsCount() {
private int getVisibleButtons(ButtonDropTarget[] outVisibleButtons) {
int visibleCount = 0;
for (ButtonDropTarget buttons : mDropTargets) {
if (buttons.getVisibility() != GONE) {
for (ButtonDropTarget button : mDropTargets) {
if (button.getVisibility() != GONE) {
outVisibleButtons[visibleCount] = button;
visibleCount++;
}
}