/** Handles key events for items in a Folder. */
static boolean handleFolderKeyEvent(View v, int keyCode, KeyEvent e) {
ShortcutAndWidgetContainer parent = (ShortcutAndWidgetContainer) v.getParent();
final CellLayout layout = (CellLayout) parent.getParent();
final Folder folder = (Folder) layout.getParent();
View title = folder.mFolderName;
final int action = e.getAction();
final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
boolean wasHandled = false;
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (handleKeyEvent) {
// Select the previous icon
View newIcon = getIconInDirection(layout, parent, v, -1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (handleKeyEvent) {
// Select the next icon
View newIcon = getIconInDirection(layout, parent, v, 1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
title.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_UP:
if (handleKeyEvent) {
// Select the closest icon in the previous line
View newIcon = getClosestIconOnLine(layout, parent, v, -1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
if (handleKeyEvent) {
// Select the closest icon in the next line
View newIcon = getClosestIconOnLine(layout, parent, v, 1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
title.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_MOVE_HOME:
if (handleKeyEvent) {
// Select the first icon on this page
View newIcon = getIconInDirection(layout, parent, -1, 1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_MOVE_END:
if (handleKeyEvent) {
// Select the last icon on this page
View newIcon = getIconInDirection(layout, parent, parent.getChildCount(), -1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
wasHandled = true;
break;
default:
break;
}
return wasHandled;
}
/** Handles key events in a Workspace containing. */
static boolean handleIconKeyEvent(View v, int keyCode, KeyEvent e) {
ShortcutAndWidgetContainer parent = (ShortcutAndWidgetContainer) v.getParent();
final CellLayout layout = (CellLayout) parent.getParent();
if (!(layout.getParent() instanceof Workspace)) return false;
final Workspace workspace = (Workspace) layout.getParent();
final ViewGroup launcher = (ViewGroup) workspace.getParent();
final ViewGroup tabs = null;
final ViewGroup hotseat = null;
int pageIndex = workspace.indexOfChild(layout);
int pageCount = workspace.getChildCount();
final int action = e.getAction();
final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
boolean wasHandled = false;
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (handleKeyEvent) {
// Select the previous icon or the last icon on the previous page if possible
View newIcon = getIconInDirection(layout, parent, v, -1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
if (pageIndex > 0) {
parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1);
newIcon = getIconInDirection(layout, parent, parent.getChildCount(), -1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
// Snap to the previous page
workspace.snapToPage(pageIndex - 1);
}
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (handleKeyEvent) {
// Select the next icon or the first icon on the next page if possible
View newIcon = getIconInDirection(layout, parent, v, 1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
if (pageIndex < (pageCount - 1)) {
parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1);
newIcon = getIconInDirection(layout, parent, -1, 1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
// Snap to the next page
workspace.snapToPage(pageIndex + 1);
}
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_DPAD_UP:
if (handleKeyEvent) {
// Select the closest icon in the previous line, otherwise select the tab bar
View newIcon = getClosestIconOnLine(layout, parent, v, -1);
if (newIcon != null) {
newIcon.requestFocus();
wasHandled = true;
} else {
if (tabs != null) tabs.requestFocus();
}
}
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
if (handleKeyEvent) {
// Select the closest icon in the next line, otherwise select the button bar
View newIcon = getClosestIconOnLine(layout, parent, v, 1);
if (newIcon != null) {
newIcon.requestFocus();
wasHandled = true;
} else if (hotseat != null) {
hotseat.requestFocus();
}
}
break;
case KeyEvent.KEYCODE_PAGE_UP:
if (handleKeyEvent) {
// Select the first icon on the previous page or the first icon on this page
// if there is no previous page
if (pageIndex > 0) {
parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1);
View newIcon = getIconInDirection(layout, parent, -1, 1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
// Snap to the previous page
workspace.snapToPage(pageIndex - 1);
}
} else {
View newIcon = getIconInDirection(layout, parent, -1, 1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_PAGE_DOWN:
if (handleKeyEvent) {
// Select the first icon on the next page or the last icon on this page
// if there is no previous page
if (pageIndex < (pageCount - 1)) {
parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1);
View newIcon = getIconInDirection(layout, parent, -1, 1);
if (newIcon != null) {
newIcon.requestFocus();
} else {
// Snap to the next page
workspace.snapToPage(pageIndex + 1);
}
} else {
View newIcon = getIconInDirection(layout, parent, parent.getChildCount(), -1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_MOVE_HOME:
if (handleKeyEvent) {
// Select the first icon on this page
View newIcon = getIconInDirection(layout, parent, -1, 1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
wasHandled = true;
break;
case KeyEvent.KEYCODE_MOVE_END:
if (handleKeyEvent) {
// Select the last icon on this page
View newIcon = getIconInDirection(layout, parent, parent.getChildCount(), -1);
if (newIcon != null) {
newIcon.requestFocus();
}
}
wasHandled = true;
break;
default:
break;
}
return wasHandled;
}