/** 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 onDropCompleted(View target, DragObject d, boolean isFlingToDelete, boolean success) {
if (success) {
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon) {
replaceFolderWithFinalItem();
}
} else {
// 拖动失败，将item还给folder。这是由Folder向外拖出时调用的
mFolderIcon.onDrop(d);
// TODO
// We're going to trigger a "closeFolder" which may occur before
// this item has
// been added back to the folder -- this could cause the folder to
// be deleted
if (mOnExitAlarm.alarmPending()) {
mSuppressFolderDeletion = true;
}
}
if (target != this) {
if (mOnExitAlarm.alarmPending()) {
mOnExitAlarm.cancelAlarm();
completeDragExit();
}
}
mDeleteFolderOnDropCompleted = false;
mDragInProgress = false;
mItemAddedBackToSelfViaIcon = false;
mCurrentDragInfo = null;
mCurrentDragView = null;
mSuppressOnAdd = false;
// 可能要重新排序，保存到数据库中
updateItemLocationsInDatabase();
}
public void onDropCompleted(View target, DragObject d, boolean success) {
if (success) {
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon) {
replaceFolderWithFinalItem();
}
} else {
// The drag failed, we need to return the item to the folder
mFolderIcon.onDrop(d);
// We're going to trigger a "closeFolder" which may occur before this item has
// been added back to the folder -- this could cause the folder to be deleted
if (mOnExitAlarm.alarmPending()) {
mSuppressFolderDeletion = true;
}
}
if (target != this) {
if (mOnExitAlarm.alarmPending()) {
mOnExitAlarm.cancelAlarm();
completeDragExit();
}
}
mDeleteFolderOnDropCompleted = false;
mDragInProgress = false;
mItemAddedBackToSelfViaIcon = false;
mCurrentDragInfo = null;
mCurrentDragView = null;
mSuppressOnAdd = false;
// Reordering may have occured, and we need to save the new item locations. We do this once
// at the end to prevent unnecessary database operations.
updateItemLocationsInDatabase();
}
void addAllAppsFolder(
IconCache iconCache,
ArrayList<AppInfo> allApps,
ArrayList<ComponentName> onWorkspace,
Launcher launcher,
Workspace workspace) {
if (AppsCustomizePagedView.DISABLE_ALL_APPS) {
FolderInfo fi = new FolderInfo();
fi.cellX = getCellXFromOrder(mAllAppsButtonRank);
fi.cellY = getCellYFromOrder(mAllAppsButtonRank);
fi.spanX = 1;
fi.spanY = 1;
fi.container = LauncherSettings.Favorites.CONTAINER_HOTSEAT;
fi.screenId = mAllAppsButtonRank;
fi.itemType = LauncherSettings.Favorites.ITEM_TYPE_FOLDER;
fi.title = "More Apps";
LauncherModel.addItemToDatabase(
launcher, fi, fi.container, fi.screenId, fi.cellX, fi.cellY, false);
FolderIcon folder =
FolderIcon.fromXml(R.layout.folder_icon, launcher, getLayout(), fi, iconCache);
workspace.addInScreen(
folder, fi.container, fi.screenId, fi.cellX, fi.cellY, fi.spanX, fi.spanY);
for (AppInfo info : allApps) {
ComponentName cn = info.intent.getComponent();
if (!onWorkspace.contains(cn)) {
Log.d(TAG, "Adding to 'more apps': " + info.intent);
ShortcutInfo si = info.makeShortcut();
fi.add(si);
}
}
}
}
private void replaceFolderWithFinalItem() {
// Add the last remaining child to the workspace in place of the folder
Runnable onCompleteRunnable =
new Runnable() {
@Override
public void run() {
CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container, mInfo.screenId);
View child = null;
// Move the item from the folder to the workspace, in the position of the folder
if (getItemCount() == 1) {
ShortcutInfo finalItem = mInfo.contents.get(0);
child = mLauncher.createShortcut(R.layout.application, cellLayout, finalItem);
LauncherModel.addOrMoveItemInDatabase(
mLauncher, finalItem, mInfo.container, mInfo.screenId, mInfo.cellX, mInfo.cellY);
}
if (getItemCount() <= 1) {
// Remove the folder
LauncherModel.deleteItemFromDatabase(mLauncher, mInfo);
if (cellLayout != null) {
// b/12446428 -- sometimes the cell layout has already gone away?
cellLayout.removeView(mFolderIcon);
}
if (mFolderIcon instanceof DropTarget) {
mDragController.removeDropTarget((DropTarget) mFolderIcon);
}
mLauncher.removeFolder(mInfo);
}
// We add the child after removing the folder to prevent both from existing at
// the same time in the CellLayout. We need to add the new item with
// addInScreenFromBind()
// to ensure that hotseat items are placed correctly.
if (child != null) {
mLauncher
.getWorkspace()
.addInScreenFromBind(
child,
mInfo.container,
mInfo.screenId,
mInfo.cellX,
mInfo.cellY,
mInfo.spanX,
mInfo.spanY);
}
}
};
View finalChild = getItemAt(0);
if (finalChild != null) {
mFolderIcon.performDestroyAnimation(finalChild, onCompleteRunnable);
} else {
onCompleteRunnable.run();
}
mDestroyed = true;
}
void addAppsToAllAppsFolder(ArrayList<AppInfo> apps) {
if (AppsCustomizePagedView.DISABLE_ALL_APPS) {
View v =
mContent.getChildAt(
getCellXFromOrder(mAllAppsButtonRank), getCellYFromOrder(mAllAppsButtonRank));
FolderIcon fi = null;
if (v instanceof FolderIcon) {
fi = (FolderIcon) v;
} else {
return;
}
FolderInfo info = fi.getFolderInfo();
for (AppInfo a : apps) {
ShortcutInfo si = a.makeShortcut();
info.add(si);
}
}
}
public void onDropCompleted(
final View target, final DragObject d, final boolean isFlingToDelete, final boolean success) {
if (mDeferDropAfterUninstall) {
Log.d(TAG, "Deferred handling drop because waiting for uninstall.");
mDeferredAction =
new Runnable() {
public void run() {
onDropCompleted(target, d, isFlingToDelete, success);
mDeferredAction = null;
}
};
return;
}
boolean beingCalledAfterUninstall = mDeferredAction != null;
boolean successfulDrop = success && (!beingCalledAfterUninstall || mUninstallSuccessful);
if (successfulDrop) {
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon && target != this) {
replaceFolderWithFinalItem();
}
} else {
setupContentForNumItems(getItemCount());
// The drag failed, we need to return the item to the folder
mFolderIcon.onDrop(d);
}
if (target != this) {
if (mOnExitAlarm.alarmPending()) {
mOnExitAlarm.cancelAlarm();
if (!successfulDrop) {
mSuppressFolderDeletion = true;
}
completeDragExit();
}
}
mDeleteFolderOnDropCompleted = false;
mDragInProgress = false;
mItemAddedBackToSelfViaIcon = false;
mCurrentDragInfo = null;
mCurrentDragView = null;
mSuppressOnAdd = false;
// Reordering may have occured, and we need to save the new item locations. We do this once
// at the end to prevent unnecessary database operations.
updateItemLocationsInDatabaseBatch();
}
void bind(FolderInfo info) {
mInfo = info;
ArrayList<ShortcutInfo> children = info.contents;
ArrayList<ShortcutInfo> overflow = new ArrayList<ShortcutInfo>();
setupContentForNumItems(children.size());
placeInReadingOrder(children);
int count = 0;
for (int i = 0; i < children.size(); i++) {
ShortcutInfo child = (ShortcutInfo) children.get(i);
if (createAndAddShortcut(child) == null) {
overflow.add(child);
} else {
count++;
}
}
// We rearrange the items in case there are any empty gaps
setupContentForNumItems(count);
// If our folder has too many items we prune them from the list. This is an issue
// when upgrading from the old Folders implementation which could contain an unlimited
// number of items.
for (ShortcutInfo item : overflow) {
mInfo.remove(item);
LauncherModel.deleteItemFromDatabase(mLauncher, item);
}
mItemsInvalidated = true;
updateTextViewFocus();
mInfo.addListener(this);
if (!sDefaultFolderName.contentEquals(mInfo.title)) {
mFolderName.setText(mInfo.title);
} else {
mFolderName.setText("");
}
updateItemLocationsInDatabase();
// In case any children didn't come across during loading, clean up the folder accordingly
mFolderIcon.post(
new Runnable() {
public void run() {
if (getItemCount() <= 1) {
replaceFolderWithFinalItem();
}
}
});
}
/** 用最后一个剩余的item代替当前folder显示在桌面上，这发生在Folder里面只有一个item的时候 */
private void replaceFolderWithFinalItem() {
Runnable onCompleteRunnable =
new Runnable() {
@Override
public void run() {
CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container, mInfo.screen);
View child = null;
// 将最后一个item从Folder移动到桌面上，与Folder一个位置。
// 但是在这个if块里面并没有实际移动，而仅仅是生成数据并放到了数据库中。
if (getItemCount() == 1) {
ShortcutInfo finalItem = mInfo.contents.get(0);
child = mLauncher.createShortcut(R.layout.application, cellLayout, finalItem);
LauncherModel.addOrMoveItemInDatabase(
mLauncher, finalItem, mInfo.container, mInfo.screen, mInfo.cellX, mInfo.cellY);
}
if (getItemCount() <= 1) {
// 删除Folder
LauncherModel.deleteItemFromDatabase(mLauncher, mInfo);
cellLayout.removeView(mFolderIcon);
if (mFolderIcon instanceof DropTarget) {
mDragController.removeDropTarget((DropTarget) mFolderIcon);
}
mLauncher.removeFolder(mInfo);
}
// 在删除文件夹后才添加最后一个item到桌面，这是为了防止在同一时间同一位置有两个item
if (child != null) {
mLauncher
.getWorkspace()
.addInScreen(
child,
mInfo.container,
mInfo.screen,
mInfo.cellX,
mInfo.cellY,
mInfo.spanX,
mInfo.spanY);
}
}
};
View finalChild = getItemAt(0);
if (finalChild != null) {
// 文件夹销毁动画
mFolderIcon.performDestroyAnimation(finalChild, onCompleteRunnable);
}
mDestroyed = true;
}
private void onCloseComplete() {
DragLayer parent = (DragLayer) getParent();
parent.removeView(this);
mDragController.removeDropTarget((DropTarget) this);
clearFocus();
mFolderIcon.requestFocus();
if (mRearrangeOnClose) {
setupContentForNumItems(getItemCount());
mRearrangeOnClose = false;
}
if (getItemCount() <= 1) {
if (!mDragInProgress && !mSuppressFolderDeletion) {
replaceFolderWithFinalItem();
} else if (mDragInProgress) {
mDeleteFolderOnDropCompleted = true;
}
}
mSuppressFolderDeletion = false;
}
@Override
public void onThemeChanged() {
/*mModel.resetLoadedState(false, true);
//##date:2013/12/08 ##author:hongxing.whx ##bugid: 72248
mModel.setThemeChanged(true);
YUNOS END
mModel.startLoaderFromBackground();*/
/*YUNOS BEGIN*/
// ##date:2014/8/1 ##author:zhangqiang.zq
// favorite app
GadgetCardHelper.onThemeChanged();
LauncherGadgetHelper.cleanUp();
mRecommendTask.refreshFavoriteAppIcons();
/* YUNOS END */
ThemeResources.reset();
FolderIcon.onThemeChanged();
mModel.onThemeChange();
LauncherAnimUtils.onDestroyActivity();
}
public void onDrop(
DragSource source,
int x,
int y,
int xOffset,
int yOffset,
DragView dragView,
Object dragInfo) {
// get workspace
ViewParent parent = getParent();
if (parent == null) {
return;
}
Workspace mTargetWorkspace = (Workspace) parent.getParent();
final int workspaceType = mTargetWorkspace.getType();
int container = 0;
switch (workspaceType) {
case Workspace.WORKSPACE_NAVIGATEBAR:
container = LauncherSettings.Favorites.CONTAINER_NAVIGATEBAR;
break;
case Workspace.WORKSPACE_WORKSPACE:
container = LauncherSettings.Favorites.CONTAINER_DESKTOP;
break;
default:
return;
}
final CellLayout.LayoutParams currentLp = (CellLayout.LayoutParams) getLayoutParams();
// CellLayout targetCelllayout = (CellLayout) getParent();
// remove my in parent
removeSelfInParent(mLauncher.getDragController());
// clearAnimation();
// targetCelllayout.removeView(this);
// make the folder info.
final UserFolderInfo folderInfo = new UserFolderInfo();
folderInfo.title = getResources().getText(R.string.folder_name);
// add folder into db
LauncherModel.addItemToDatabase(
getContext(),
folderInfo,
container,
mTargetWorkspace.getCurrentScreen(),
currentLp.cellX,
currentLp.cellY,
true);
// add into new folder
// CellLayout.CellInfo cellInfo = mSourceWorkspace.getCurrentDragInfo();
final ShortcutInfo thisTag = (ShortcutInfo) getTag();
final ShortcutInfo sourceTag = (ShortcutInfo) dragInfo;
final int oldSourceScreen = sourceTag.screen;
folderInfo.add(thisTag);
folderInfo.add(sourceTag);
// add folder items into db
LauncherModel.addOrMoveItemInDatabase(mLauncher, thisTag, folderInfo.id, 0, 0, 0);
LauncherModel.addOrMoveItemInDatabase(mLauncher, sourceTag, folderInfo.id, 0, 0, 0);
// Create the view
final FolderIcon newFolder =
FolderIcon.fromXml(
R.layout.folder_icon,
mLauncher,
(ViewGroup) mTargetWorkspace.getChildAt(mTargetWorkspace.getCurrentScreen()),
folderInfo);
// add into target cell
mTargetWorkspace.addInCurrentScreen(newFolder, currentLp.cellX, currentLp.cellY, 1, 1, false);
// start anim
AnimManager.getInstance().startSingle(newFolder);
// range cell
Workspace sourceWorkspace = (Workspace) source;
CellLayout sourceCellLayout = (CellLayout) sourceWorkspace.getChildAt(oldSourceScreen);
sourceCellLayout.rangeChilds(false);
// open folder
mTargetWorkspace
.getHandler()
.postDelayed(
new Runnable() {
public void run() {
mLauncher.handleIphoneFolderClick(folderInfo, newFolder);
}
},
200);
}