/**
* Shows the migration cling.
*
* <p>This flow is mutually exclusive with showFirstRunCling, and only runs if this Launcher
* package was not preinstalled and there exists a db to migrate from.
*/
public void showMigrationCling() {
mLauncher.hideWorkspaceSearchAndHotseat();
ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
View inflated = mInflater.inflate(R.layout.migration_cling, root);
inflated.findViewById(R.id.cling_dismiss_migration_copy_apps).setOnClickListener(this);
inflated.findViewById(R.id.cling_dismiss_migration_use_default).setOnClickListener(this);
}
/** 以图标为中心，中心对齐，比如缩放时要以中心对齐 */
private void centerAboutIcon() {
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height =
getPaddingTop() + getPaddingBottom() + mContent.getDesiredHeight() + mFolderNameHeight;
DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
float scale = parent.getDescendantRectRelativeToSelf(mFolderIcon, mTempRect);
int centerX = (int) (mTempRect.left + mTempRect.width() * scale / 2);
int centerY = (int) (mTempRect.top + mTempRect.height() * scale / 2);
int centeredLeft = centerX - width / 2;
int centeredTop = centerY - height / 2;
int currentPage = mLauncher.getWorkspace().getCurrentPage();
// In case the workspace is scrolling, we need to use the final scroll
// to compute
// the folders bounds.
// 如果workspace正在滚动，就强制滚动到最后以计算最终的位置
mLauncher.getWorkspace().setFinalScrollForPageChange(currentPage);
// We first fetch the currently visible CellLayoutChildren
// 首先获取可见CellLayoutChildren
CellLayout currentLayout = (CellLayout) mLauncher.getWorkspace().getChildAt(currentPage);
ShortcutAndWidgetContainer boundingLayout = currentLayout.getShortcutsAndWidgets();
Rect bounds = new Rect();
parent.getDescendantRectRelativeToSelf(boundingLayout, bounds);
// We reset the workspaces scroll
// 强制重置workspace的滚动状态
mLauncher.getWorkspace().resetFinalScrollForPageChange(currentPage);
// 重新调整folder的边界，如果有需要的话，比如实际内容比folder要更大或者更小
int left = Math.min(Math.max(bounds.left, centeredLeft), bounds.left + bounds.width() - width);
int top = Math.min(Math.max(bounds.top, centeredTop), bounds.top + bounds.height() - height);
// 如果实际内容比folder要更大或者更小，那么调整为实际大小
if (width >= bounds.width()) {
left = bounds.left + (bounds.width() - width) / 2;
}
if (height >= bounds.height()) {
top = bounds.top + (bounds.height() - height) / 2;
}
int folderPivotX = width / 2 + (centeredLeft - left);
int folderPivotY = height / 2 + (centeredTop - top);
// 设置Folder的锚点
setPivotX(folderPivotX);
setPivotY(folderPivotY);
mFolderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() * (1.0f * folderPivotX / width));
mFolderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() * (1.0f * folderPivotY / height));
lp.width = width;
lp.height = height;
lp.x = left;
lp.y = top;
}
private void centerAboutIcon() {
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height = getFolderHeight();
float scale = parent.getDescendantRectRelativeToSelf(mFolderIcon, mTempRect);
LauncherAppState app = LauncherAppState.getInstance();
DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
int centerX = (int) (mTempRect.left + mTempRect.width() * scale / 2);
int centerY = (int) (mTempRect.top + mTempRect.height() * scale / 2);
int centeredLeft = centerX - width / 2;
int centeredTop = centerY - height / 2;
int currentPage = mLauncher.getWorkspace().getNextPage();
// In case the workspace is scrolling, we need to use the final scroll to compute
// the folders bounds.
mLauncher.getWorkspace().setFinalScrollForPageChange(currentPage);
// We first fetch the currently visible CellLayoutChildren
CellLayout currentLayout = (CellLayout) mLauncher.getWorkspace().getChildAt(currentPage);
ShortcutAndWidgetContainer boundingLayout = currentLayout.getShortcutsAndWidgets();
Rect bounds = new Rect();
parent.getDescendantRectRelativeToSelf(boundingLayout, bounds);
// We reset the workspaces scroll
mLauncher.getWorkspace().resetFinalScrollForPageChange(currentPage);
// We need to bound the folder to the currently visible CellLayoutChildren
int left = Math.min(Math.max(bounds.left, centeredLeft), bounds.left + bounds.width() - width);
int top = Math.min(Math.max(bounds.top, centeredTop), bounds.top + bounds.height() - height);
if (grid.isPhone() && (grid.availableWidthPx - width) < grid.iconSizePx) {
// Center the folder if it is full (on phones only)
left = (grid.availableWidthPx - width) / 2;
} else if (width >= bounds.width()) {
// If the folder doesn't fit within the bounds, center it about the desired bounds
left = bounds.left + (bounds.width() - width) / 2;
}
if (height >= bounds.height()) {
top = bounds.top + (bounds.height() - height) / 2;
}
int folderPivotX = width / 2 + (centeredLeft - left);
int folderPivotY = height / 2 + (centeredTop - top);
setPivotX(folderPivotX);
setPivotY(folderPivotY);
mFolderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() * (1.0f * folderPivotX / width));
mFolderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() * (1.0f * folderPivotY / height));
lp.width = width;
lp.height = height;
lp.x = left;
lp.y = top;
}
private void centerAboutIcon() {
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height =
getPaddingTop() + getPaddingBottom() + mContent.getDesiredHeight() + mFolderNameHeight;
DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
parent.getDescendantRectRelativeToSelf(mFolderIcon, mTempRect);
int centerX = mTempRect.centerX();
int centerY = mTempRect.centerY();
int centeredLeft = centerX - width / 2;
int centeredTop = centerY - height / 2;
// We first fetch the currently visible CellLayoutChildren
CellLayout currentPage = mLauncher.getWorkspace().getCurrentDropLayout();
CellLayoutChildren boundingLayout = currentPage.getChildrenLayout();
Rect bounds = new Rect();
parent.getDescendantRectRelativeToSelf(boundingLayout, bounds);
// We need to bound the folder to the currently visible CellLayoutChildren
int left = Math.min(Math.max(bounds.left, centeredLeft), bounds.left + bounds.width() - width);
int top = Math.min(Math.max(bounds.top, centeredTop), bounds.top + bounds.height() - height);
// If the folder doesn't fit within the bounds, center it about the desired bounds
if (width >= bounds.width()) {
left = bounds.left + (bounds.width() - width) / 2;
}
if (height >= bounds.height()) {
top = bounds.top + (bounds.height() - height) / 2;
}
int folderPivotX = width / 2 + (centeredLeft - left);
int folderPivotY = height / 2 + (centeredTop - top);
setPivotX(folderPivotX);
setPivotY(folderPivotY);
int folderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() * (1.0f * folderPivotX / width));
int folderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() * (1.0f * folderPivotY / height));
mFolderIcon.setPivotX(folderIconPivotX);
mFolderIcon.setPivotY(folderIconPivotY);
if (mMode == PARTIAL_GROW) {
lp.width = width;
lp.height = height;
lp.x = left;
lp.y = top;
} else {
mNewSize.set(left, top, left + width, top + height);
}
}
public void showLongPressCling(boolean showWelcome) {
ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
View cling = mInflater.inflate(R.layout.longpress_cling, root, false);
cling.setOnLongClickListener(
new OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
mLauncher.getWorkspace().enterOverviewMode();
dismissLongPressCling();
return true;
}
});
final ViewGroup content = (ViewGroup) cling.findViewById(R.id.cling_content);
mInflater.inflate(
showWelcome ? R.layout.longpress_cling_welcome_content : R.layout.longpress_cling_content,
content);
content.findViewById(R.id.cling_dismiss_longpress_info).setOnClickListener(this);
if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
Drawable bg =
new BorderCropDrawable(
mLauncher.getResources().getDrawable(R.drawable.cling_bg), true, true, true, false);
content.setBackground(bg);
}
root.addView(cling);
if (showWelcome) {
// This is the first cling being shown. No need to animate.
return;
}
// Animate
content
.getViewTreeObserver()
.addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
content.getViewTreeObserver().removeOnGlobalLayoutListener(this);
ObjectAnimator anim;
if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
content.setTranslationY(-content.getMeasuredHeight());
anim = LauncherAnimUtils.ofFloat(content, "translationY", 0);
} else {
content.setScaleX(0);
content.setScaleY(0);
PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1);
PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1);
anim = LauncherAnimUtils.ofPropertyValuesHolder(content, scaleX, scaleY);
}
anim.setDuration(SHOW_CLING_DURATION);
anim.setInterpolator(new LogDecelerateInterpolator(100, 0));
anim.start();
}
});
}
public void layout(Launcher launcher) {
FrameLayout.LayoutParams lp;
Resources res = launcher.getResources();
boolean hasVerticalBarLayout = isVerticalBarLayout();
// Layout the search bar space
View searchBar = launcher.getSearchBar();
lp = (FrameLayout.LayoutParams) searchBar.getLayoutParams();
if (hasVerticalBarLayout) {
// Vertical search bar space
lp.gravity = Gravity.TOP | Gravity.LEFT;
lp.width = searchBarSpaceHeightPx;
lp.height = LayoutParams.WRAP_CONTENT;
LinearLayout targets = (LinearLayout) searchBar.findViewById(R.id.drag_target_bar);
targets.setOrientation(LinearLayout.VERTICAL);
} else {
// Horizontal search bar space
lp.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
lp.width = searchBarSpaceWidthPx;
lp.height = searchBarSpaceHeightPx;
}
searchBar.setLayoutParams(lp);
// Layout the workspace
PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace);
lp = (FrameLayout.LayoutParams) workspace.getLayoutParams();
lp.gravity = Gravity.CENTER;
int orientation = isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT;
Rect padding = getWorkspacePadding(orientation);
workspace.setLayoutParams(lp);
workspace.setPadding(padding.left, padding.top, padding.right, padding.bottom);
workspace.setPageSpacing(getWorkspacePageSpacing(orientation));
// Layout the hotseat
View hotseat = launcher.findViewById(R.id.hotseat);
lp = (FrameLayout.LayoutParams) hotseat.getLayoutParams();
if (hasVerticalBarLayout) {
// Vertical hotseat
lp.gravity = Gravity.END;
lp.width = hotseatBarHeightPx;
lp.height = LayoutParams.MATCH_PARENT;
hotseat.findViewById(R.id.layout).setPadding(0, 2 * edgeMarginPx, 0, 2 * edgeMarginPx);
} else if (isTablet()) {
// Pad the hotseat with the workspace padding calculated above
lp.gravity = Gravity.BOTTOM;
lp.width = LayoutParams.MATCH_PARENT;
lp.height = hotseatBarHeightPx;
hotseat.setPadding(
edgeMarginPx + padding.left, 0, edgeMarginPx + padding.right, 2 * edgeMarginPx);
} else {
// For phones, layout the hotseat without any bottom margin
// to ensure that we have space for the folders
lp.gravity = Gravity.BOTTOM;
lp.width = LayoutParams.MATCH_PARENT;
lp.height = hotseatBarHeightPx;
hotseat.findViewById(R.id.layout).setPadding(2 * edgeMarginPx, 0, 2 * edgeMarginPx, 0);
}
hotseat.setLayoutParams(lp);
// Layout the page indicators
View pageIndicator = launcher.findViewById(R.id.page_indicator);
if (pageIndicator != null) {
if (hasVerticalBarLayout) {
// Hide the page indicators when we have vertical search/hotseat
pageIndicator.setVisibility(View.GONE);
} else {
// Put the page indicators above the hotseat
lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
lp.width = LayoutParams.WRAP_CONTENT;
lp.height = LayoutParams.WRAP_CONTENT;
lp.bottomMargin = hotseatBarHeightPx;
pageIndicator.setLayoutParams(lp);
}
}
// Layout AllApps
AppsCustomizeTabHost host =
(AppsCustomizeTabHost) launcher.findViewById(R.id.apps_customize_pane);
if (host != null) {
// Center the all apps page indicator
int pageIndicatorHeight =
(int)
(pageIndicatorHeightPx
* Math.min(1f, (allAppsIconSizePx / DynamicGrid.DEFAULT_ICON_SIZE_PX)));
pageIndicator = host.findViewById(R.id.apps_customize_page_indicator);
if (pageIndicator != null) {
LinearLayout.LayoutParams lllp =
(LinearLayout.LayoutParams) pageIndicator.getLayoutParams();
lllp.width = LayoutParams.WRAP_CONTENT;
lllp.height = pageIndicatorHeight;
pageIndicator.setLayoutParams(lllp);
}
AppsCustomizePagedView pagedView =
(AppsCustomizePagedView) host.findViewById(R.id.apps_customize_pane_content);
FrameLayout fakePageContainer = (FrameLayout) host.findViewById(R.id.fake_page_container);
FrameLayout fakePage = (FrameLayout) host.findViewById(R.id.fake_page);
padding = new Rect();
if (pagedView != null) {
// Constrain the dimensions of all apps so that it does not span the full width
int paddingLR =
(availableWidthPx - (allAppsCellWidthPx * allAppsNumCols)) / (2 * (allAppsNumCols + 1));
int paddingTB =
(availableHeightPx - (allAppsCellHeightPx * allAppsNumRows))
/ (2 * (allAppsNumRows + 1));
paddingLR = Math.min(paddingLR, (int) ((paddingLR + paddingTB) * 0.75f));
paddingTB = Math.min(paddingTB, (int) ((paddingLR + paddingTB) * 0.75f));
int maxAllAppsWidth = (allAppsNumCols * (allAppsCellWidthPx + 2 * paddingLR));
int gridPaddingLR = (availableWidthPx - maxAllAppsWidth) / 2;
// Only adjust the side paddings on landscape phones, or tablets
if ((isTablet() || isLandscape) && gridPaddingLR > (allAppsCellWidthPx / 4)) {
padding.left = padding.right = gridPaddingLR;
}
// The icons are centered, so we can't just offset by the page indicator height
// because the empty space will actually be pageIndicatorHeight + paddingTB
padding.bottom = Math.max(0, pageIndicatorHeight - paddingTB);
pagedView.setWidgetsPageIndicatorPadding(pageIndicatorHeight);
fakePage.setBackground(res.getDrawable(R.drawable.quantum_panel));
// Horizontal padding for the whole paged view
int pagedFixedViewPadding =
res.getDimensionPixelSize(R.dimen.apps_customize_horizontal_padding);
padding.left += pagedFixedViewPadding;
padding.right += pagedFixedViewPadding;
pagedView.setPadding(padding.left, padding.top, padding.right, padding.bottom);
fakePageContainer.setPadding(padding.left, padding.top, padding.right, padding.bottom);
}
}
// Layout the Overview Mode
ViewGroup overviewMode = launcher.getOverviewPanel();
if (overviewMode != null) {
Rect r = getOverviewModeButtonBarRect();
lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams();
lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
int visibleChildCount = getVisibleChildCount(overviewMode);
int totalItemWidth = visibleChildCount * overviewModeBarItemWidthPx;
int maxWidth = totalItemWidth + (visibleChildCount - 1) * overviewModeBarSpacerWidthPx;
lp.width = Math.min(availableWidthPx, maxWidth);
lp.height = r.height();
overviewMode.setLayoutParams(lp);
if (lp.width > totalItemWidth && visibleChildCount > 1) {
// We have enough space. Lets add some margin too.
int margin = (lp.width - totalItemWidth) / (visibleChildCount - 1);
View lastChild = null;
// Set margin of all visible children except the last visible child
for (int i = 0; i < visibleChildCount; i++) {
if (lastChild != null) {
MarginLayoutParams clp = (MarginLayoutParams) lastChild.getLayoutParams();
if (isLayoutRtl) {
clp.leftMargin = margin;
} else {
clp.rightMargin = margin;
}
lastChild.setLayoutParams(clp);
lastChild = null;
}
View thisChild = overviewMode.getChildAt(i);
if (thisChild.getVisibility() != View.GONE) {
lastChild = thisChild;
}
}
}
}
}