ActionMenuItemViewpublic class ActionMenuItemView extends android.widget.TextView implements ActionMenuView.ActionMenuChildView, View.OnClickListener, MenuView.ItemView, View.OnLongClickListener
| Fields Summary |
|---|
| private static final String | TAG | | private MenuItemImpl | mItemData | | private CharSequence | mTitle | | private android.graphics.drawable.Drawable | mIcon | | private MenuBuilder.ItemInvoker | mItemInvoker | | private android.widget.ListPopupWindow.ForwardingListener | mForwardingListener | | private PopupCallback | mPopupCallback | | private boolean | mAllowTextWithIcon | | private boolean | mExpandedFormat | | private int | mMinWidth | | private int | mSavedPaddingLeft | | private static final int | MAX_ICON_SIZE | | private int | mMaxIconSize |
| Constructors Summary |
|---|
public ActionMenuItemView(android.content.Context context)
this(context, null);
| public ActionMenuItemView(android.content.Context context, android.util.AttributeSet attrs)
this(context, attrs, 0);
| public ActionMenuItemView(android.content.Context context, android.util.AttributeSet attrs, int defStyleAttr)
this(context, attrs, defStyleAttr, 0);
| public ActionMenuItemView(android.content.Context context, android.util.AttributeSet attrs, int defStyleAttr, int defStyleRes)
super(context, attrs, defStyleAttr, defStyleRes);
final Resources res = context.getResources();
mAllowTextWithIcon = res.getBoolean(
com.android.internal.R.bool.config_allowActionMenuItemTextWithIcon);
final TypedArray a = context.obtainStyledAttributes(attrs,
com.android.internal.R.styleable.ActionMenuItemView, defStyleAttr, defStyleRes);
mMinWidth = a.getDimensionPixelSize(
com.android.internal.R.styleable.ActionMenuItemView_minWidth, 0);
a.recycle();
final float density = res.getDisplayMetrics().density;
mMaxIconSize = (int) (MAX_ICON_SIZE * density + 0.5f);
setOnClickListener(this);
setOnLongClickListener(this);
mSavedPaddingLeft = -1;
|
| Methods Summary |
|---|
| public boolean | dispatchHoverEvent(android.view.MotionEvent event)
// Don't allow children to hover; we want this to be treated as a single component.
return onHoverEvent(event);
| | public boolean | dispatchPopulateAccessibilityEvent(android.view.accessibility.AccessibilityEvent event)
onPopulateAccessibilityEvent(event);
return true;
| | public MenuItemImpl | getItemData()
return mItemData;
| | public boolean | hasText()
return !TextUtils.isEmpty(getText());
| | public void | initialize(MenuItemImpl itemData, int menuType)
mItemData = itemData;
setIcon(itemData.getIcon());
setTitle(itemData.getTitleForItemView(this)); // Title only takes effect if there is no icon
setId(itemData.getItemId());
setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE);
setEnabled(itemData.isEnabled());
if (itemData.hasSubMenu()) {
if (mForwardingListener == null) {
mForwardingListener = new ActionMenuItemForwardingListener();
}
}
| | public boolean | needsDividerAfter()
return hasText();
| | public boolean | needsDividerBefore()
return hasText() && mItemData.getIcon() == null;
| | public void | onClick(android.view.View v)
if (mItemInvoker != null) {
mItemInvoker.invokeItem(mItemData);
}
| | public void | onConfigurationChanged(android.content.res.Configuration newConfig)
super.onConfigurationChanged(newConfig);
mAllowTextWithIcon = getContext().getResources().getBoolean(
com.android.internal.R.bool.config_allowActionMenuItemTextWithIcon);
updateTextButtonVisibility();
| | public boolean | onLongClick(android.view.View v)
if (hasText()) {
// Don't show the cheat sheet for items that already show text.
return false;
}
final int[] screenPos = new int[2];
final Rect displayFrame = new Rect();
getLocationOnScreen(screenPos);
getWindowVisibleDisplayFrame(displayFrame);
final Context context = getContext();
final int width = getWidth();
final int height = getHeight();
final int midy = screenPos[1] + height / 2;
int referenceX = screenPos[0] + width / 2;
if (v.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR) {
final int screenWidth = context.getResources().getDisplayMetrics().widthPixels;
referenceX = screenWidth - referenceX; // mirror
}
Toast cheatSheet = Toast.makeText(context, mItemData.getTitle(), Toast.LENGTH_SHORT);
if (midy < displayFrame.height()) {
// Show along the top; follow action buttons
cheatSheet.setGravity(Gravity.TOP | Gravity.END, referenceX, height);
} else {
// Show along the bottom center
cheatSheet.setGravity(Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, height);
}
cheatSheet.show();
return true;
| | protected void | onMeasure(int widthMeasureSpec, int heightMeasureSpec)
final boolean textVisible = hasText();
if (textVisible && mSavedPaddingLeft >= 0) {
super.setPadding(mSavedPaddingLeft, getPaddingTop(),
getPaddingRight(), getPaddingBottom());
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
final int widthSize = MeasureSpec.getSize(widthMeasureSpec);
final int oldMeasuredWidth = getMeasuredWidth();
final int targetWidth = widthMode == MeasureSpec.AT_MOST ? Math.min(widthSize, mMinWidth)
: mMinWidth;
if (widthMode != MeasureSpec.EXACTLY && mMinWidth > 0 && oldMeasuredWidth < targetWidth) {
// Remeasure at exactly the minimum width.
super.onMeasure(MeasureSpec.makeMeasureSpec(targetWidth, MeasureSpec.EXACTLY),
heightMeasureSpec);
}
if (!textVisible && mIcon != null) {
// TextView won't center compound drawables in both dimensions without
// a little coercion. Pad in to center the icon after we've measured.
final int w = getMeasuredWidth();
final int dw = mIcon.getBounds().width();
super.setPadding((w - dw) / 2, getPaddingTop(), getPaddingRight(), getPaddingBottom());
}
| | public void | onPopulateAccessibilityEvent(android.view.accessibility.AccessibilityEvent event)
super.onPopulateAccessibilityEvent(event);
final CharSequence cdesc = getContentDescription();
if (!TextUtils.isEmpty(cdesc)) {
event.getText().add(cdesc);
}
| | public boolean | onTouchEvent(android.view.MotionEvent e)
if (mItemData.hasSubMenu() && mForwardingListener != null
&& mForwardingListener.onTouch(this, e)) {
return true;
}
return super.onTouchEvent(e);
| | public boolean | prefersCondensedTitle()
return true;
| | public void | setCheckable(boolean checkable)
// TODO Support checkable action items
| | public void | setChecked(boolean checked)
// TODO Support checkable action items
| | public void | setExpandedFormat(boolean expandedFormat)
if (mExpandedFormat != expandedFormat) {
mExpandedFormat = expandedFormat;
if (mItemData != null) {
mItemData.actionFormatChanged();
}
}
| | public void | setIcon(android.graphics.drawable.Drawable icon)
mIcon = icon;
if (icon != null) {
int width = icon.getIntrinsicWidth();
int height = icon.getIntrinsicHeight();
if (width > mMaxIconSize) {
final float scale = (float) mMaxIconSize / width;
width = mMaxIconSize;
height *= scale;
}
if (height > mMaxIconSize) {
final float scale = (float) mMaxIconSize / height;
height = mMaxIconSize;
width *= scale;
}
icon.setBounds(0, 0, width, height);
}
setCompoundDrawables(icon, null, null, null);
updateTextButtonVisibility();
| | public void | setItemInvoker(MenuBuilder.ItemInvoker invoker)
mItemInvoker = invoker;
| | public void | setPadding(int l, int t, int r, int b)
mSavedPaddingLeft = l;
super.setPadding(l, t, r, b);
| | public void | setPopupCallback(com.android.internal.view.menu.ActionMenuItemView$PopupCallback popupCallback)
mPopupCallback = popupCallback;
| | public void | setShortcut(boolean showShortcut, char shortcutKey)
// Action buttons don't show text for shortcut keys.
| | public void | setTitle(java.lang.CharSequence title)
mTitle = title;
setContentDescription(mTitle);
updateTextButtonVisibility();
| | public boolean | showsIcon()
return true;
| | private void | updateTextButtonVisibility()
boolean visible = !TextUtils.isEmpty(mTitle);
visible &= mIcon == null ||
(mItemData.showsTextAsAction() && (mAllowTextWithIcon || mExpandedFormat));
setText(visible ? mTitle : null);
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