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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.support.v4.internal.view;
import static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP;
import android.content.res.ColorStateList;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.support.annotation.RestrictTo;
import android.support.v4.view.ActionProvider;
import android.view.MenuItem;
import android.view.View;
/**
* Interface for direct access to a previously created menu item.
*
* This version extends the one available in the framework to ensures that any necessary
* elements added in later versions of the framework, are available for all platforms.
*
* @see android.view.MenuItem
* @hide
*/
@RestrictTo(LIBRARY_GROUP)
public interface SupportMenuItem extends android.view.MenuItem {
/*
* These should be kept in sync with attrs.xml enum constants for showAsAction
*/
/**
* Never show this item as a button in an Action Bar.
*/
int SHOW_AS_ACTION_NEVER = 0;
/**
* Show this item as a button in an Action Bar if the system decides there is room for it.
*/
int SHOW_AS_ACTION_IF_ROOM = 1;
/**
* Always show this item as a button in an Action Bar.
* Use sparingly! If too many items are set to always show in the Action Bar it can
* crowd the Action Bar and degrade the user experience on devices with smaller screens.
* A good rule of thumb is to have no more than 2 items set to always show at a time.
*/
int SHOW_AS_ACTION_ALWAYS = 2;
/**
* When this item is in the action bar, always show it with a text label even if it also has an
* icon specified.
*/
int SHOW_AS_ACTION_WITH_TEXT = 4;
/**
* This item's action view collapses to a normal menu item. When expanded, the action view
* temporarily takes over a larger segment of its container.
*/
int SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW = 8;
/**
* Sets how this item should display in the presence of an Action Bar. The parameter actionEnum
* is a flag set. One of {@link #SHOW_AS_ACTION_ALWAYS}, {@link #SHOW_AS_ACTION_IF_ROOM}, or
* {@link #SHOW_AS_ACTION_NEVER} should be used, and you may optionally OR the value with {@link
* #SHOW_AS_ACTION_WITH_TEXT}. SHOW_AS_ACTION_WITH_TEXT requests that when the item is shown as
* an action, it should be shown with a text label.
*
* @param actionEnum How the item should display. One of {@link #SHOW_AS_ACTION_ALWAYS}, {@link
* #SHOW_AS_ACTION_IF_ROOM}, or {@link #SHOW_AS_ACTION_NEVER}.
* SHOW_AS_ACTION_NEVER is the default.
* @see android.app.ActionBar
* @see #setActionView(View)
*/
@Override
void setShowAsAction(int actionEnum);
/**
* Sets how this item should display in the presence of an Action Bar.
* The parameter actionEnum is a flag set. One of {@link #SHOW_AS_ACTION_ALWAYS},
* {@link #SHOW_AS_ACTION_IF_ROOM}, or {@link #SHOW_AS_ACTION_NEVER} should
* be used, and you may optionally OR the value with {@link #SHOW_AS_ACTION_WITH_TEXT}.
* SHOW_AS_ACTION_WITH_TEXT requests that when the item is shown as an action,
* it should be shown with a text label.
*
* <p>Note: This method differs from {@link #setShowAsAction(int)} only in that it
* returns the current MenuItem instance for call chaining.
*
* @param actionEnum How the item should display. One of {@link #SHOW_AS_ACTION_ALWAYS}, {@link
* #SHOW_AS_ACTION_IF_ROOM}, or {@link #SHOW_AS_ACTION_NEVER}.
* SHOW_AS_ACTION_NEVER is the default.
* @return This MenuItem instance for call chaining.
* @see android.app.ActionBar
* @see #setActionView(View)
*/
@Override
MenuItem setShowAsActionFlags(int actionEnum);
/**
* Set an action view for this menu item. An action view will be displayed in place
* of an automatically generated menu item element in the UI when this item is shown
* as an action within a parent.
*
* <p><strong>Note:</strong> Setting an action view overrides the action provider
* provider set via {@link #setSupportActionProvider(android.support.v4.view.ActionProvider)}. </p>
*
* @param view View to use for presenting this item to the user.
* @return This Item so additional setters can be called.
* @see #setShowAsAction(int)
*/
@Override
MenuItem setActionView(View view);
/**
* Set an action view for this menu item. An action view will be displayed in place
* of an automatically generated menu item element in the UI when this item is shown
* as an action within a parent.
*
* <p><strong>Note:</strong> Setting an action view overrides the action provider
* provider set via {@link #setSupportActionProvider(android.support.v4.view.ActionProvider)}. </p>
*
* @param resId Layout resource to use for presenting this item to the user.
* @return This Item so additional setters can be called.
* @see #setShowAsAction(int)
*/
@Override
MenuItem setActionView(int resId);
/**
* Returns the currently set action view for this menu item.
*
* @return This item's action view
* @see #setActionView(View)
* @see #setShowAsAction(int)
*/
@Override
View getActionView();
/**
* Sets the {@link android.support.v4.view.ActionProvider} responsible for creating an action view if
* the item is placed on the action bar. The provider also provides a default
* action invoked if the item is placed in the overflow menu.
*
* <p><strong>Note:</strong> Setting an action provider overrides the action view
* set via {@link #setActionView(int)} or {@link #setActionView(View)}.
* </p>
*
* @param actionProvider The action provider.
* @return This Item so additional setters can be called.
* @see android.support.v4.view.ActionProvider
*/
SupportMenuItem setSupportActionProvider(ActionProvider actionProvider);
/**
* Gets the {@link ActionProvider}.
*
* @return The action provider.
* @see ActionProvider
* @see #setSupportActionProvider(ActionProvider)
*/
ActionProvider getSupportActionProvider();
/**
* Expand the action view associated with this menu item. The menu item must have an action view
* set, as well as the showAsAction flag {@link #SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW}. If a
* listener has been set using
* {@link #setSupportOnActionExpandListener(MenuItem.OnActionExpandListener)}
* it will have its {@link MenuItem.OnActionExpandListener#onMenuItemActionExpand(MenuItem)}
* method invoked. The listener may return false from this method to prevent expanding the
* action view.
*
* @return true if the action view was expanded, false otherwise.
*/
@Override
boolean expandActionView();
/**
* Collapse the action view associated with this menu item. The menu item must have an action
* view set, as well as the showAsAction flag {@link #SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW}. If a
* listener has been set using
* {@link #setSupportOnActionExpandListener(MenuItem.OnActionExpandListener)}
* it will have its {@link MenuItem.OnActionExpandListener#onMenuItemActionCollapse(MenuItem)}
* method invoked. The listener may return false from this method to prevent collapsing the
* action view.
*
* @return true if the action view was collapsed, false otherwise.
*/
@Override
boolean collapseActionView();
/**
* Returns true if this menu item's action view has been expanded.
*
* @return true if the item's action view is expanded, false otherwise.
* @see #expandActionView()
* @see #collapseActionView()
* @see #SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW
* @see MenuItem.OnActionExpandListener
*/
@Override
boolean isActionViewExpanded();
/**
* Change the content description associated with this menu item.
*
* @param contentDescription The new content description.
* @return This menu item instance for call chaining.
*/
@Override
SupportMenuItem setContentDescription(CharSequence contentDescription);
/**
* Retrieve the content description associated with this menu item.
*
* @return The content description.
*/
@Override
CharSequence getContentDescription();
/**
* Change the tooltip text associated with this menu item.
*
* @param tooltipText The new tooltip text.
* @return This menu item instance for call chaining.
*/
@Override
SupportMenuItem setTooltipText(CharSequence tooltipText);
/**
* Retrieve the tooltip text associated with this menu item.
*
* @return The tooltip text.
*/
@Override
CharSequence getTooltipText();
/**
* Change both the numeric and alphabetic shortcut associated with this
* item. Note that the shortcut will be triggered when the key that
* generates the given character is pressed along with the corresponding
* modifier key. Also note that case is not significant and that alphabetic
* shortcut characters will be handled in lower case.
* <p>
* See {@link Menu} for the menu types that support shortcuts.
*
* @param numericChar The numeric shortcut key. This is the shortcut when
* using a numeric (e.g., 12-key) keyboard.
* @param numericModifiers The numeric modifier associated with the shortcut. It should
* be a combination of {@link KeyEvent#META_META_ON}, {@link KeyEvent#META_CTRL_ON},
* {@link KeyEvent#META_ALT_ON}, {@link KeyEvent#META_SHIFT_ON},
* {@link KeyEvent#META_SYM_ON}, {@link KeyEvent#META_FUNCTION_ON}.
* @param alphaChar The alphabetic shortcut key. This is the shortcut when
* using a keyboard with alphabetic keys.
* @param alphaModifiers The alphabetic modifier associated with the shortcut. It should
* be a combination of {@link KeyEvent#META_META_ON}, {@link KeyEvent#META_CTRL_ON},
* {@link KeyEvent#META_ALT_ON}, {@link KeyEvent#META_SHIFT_ON},
* {@link KeyEvent#META_SYM_ON}, {@link KeyEvent#META_FUNCTION_ON}.
* @return This Item so additional setters can be called.
*/
@Override
MenuItem setShortcut(char numericChar, char alphaChar, int numericModifiers,
int alphaModifiers);
/**
* Change the numeric shortcut and modifiers associated with this item.
* <p>
* See {@link Menu} for the menu types that support shortcuts.
*
* @param numericChar The numeric shortcut key. This is the shortcut when
* using a 12-key (numeric) keyboard.
* @param numericModifiers The modifier associated with the shortcut. It should
* be a combination of {@link KeyEvent#META_META_ON}, {@link KeyEvent#META_CTRL_ON},
* {@link KeyEvent#META_ALT_ON}, {@link KeyEvent#META_SHIFT_ON},
* {@link KeyEvent#META_SYM_ON}, {@link KeyEvent#META_FUNCTION_ON}.
* @return This Item so additional setters can be called.
*/
@Override
MenuItem setNumericShortcut(char numericChar, int numericModifiers);
/**
* Return the modifiers for this menu item's numeric (12-key) shortcut.
* The modifier is a combination of {@link KeyEvent#META_META_ON},
* {@link KeyEvent#META_CTRL_ON}, {@link KeyEvent#META_ALT_ON},
* {@link KeyEvent#META_SHIFT_ON}, {@link KeyEvent#META_SYM_ON},
* {@link KeyEvent#META_FUNCTION_ON}.
* For example, {@link KeyEvent#META_FUNCTION_ON}|{@link KeyEvent#META_CTRL_ON}
*
* @return Modifier associated with the numeric shortcut.
*/
@Override
int getNumericModifiers();
/**
* Change the alphabetic shortcut associated with this item. The shortcut
* will be triggered when the key that generates the given character is
* pressed along with the modifier keys. Case is not significant and shortcut
* characters will be displayed in lower case. Note that menu items with
* the characters '\b' or '\n' as shortcuts will get triggered by the
* Delete key or Carriage Return key, respectively.
* <p>
* See {@link Menu} for the menu types that support shortcuts.
*
* @param alphaChar The alphabetic shortcut key. This is the shortcut when
* using a keyboard with alphabetic keys.
* @param alphaModifiers The modifier associated with the shortcut. It should
* be a combination of {@link KeyEvent#META_META_ON}, {@link KeyEvent#META_CTRL_ON},
* {@link KeyEvent#META_ALT_ON}, {@link KeyEvent#META_SHIFT_ON},
* {@link KeyEvent#META_SYM_ON}, {@link KeyEvent#META_FUNCTION_ON}.
* @return This Item so additional setters can be called.
*/
@Override
MenuItem setAlphabeticShortcut(char alphaChar, int alphaModifiers);
/**
* Return the modifier for this menu item's alphabetic shortcut.
* The modifier is a combination of {@link KeyEvent#META_META_ON},
* {@link KeyEvent#META_CTRL_ON}, {@link KeyEvent#META_ALT_ON},
* {@link KeyEvent#META_SHIFT_ON}, {@link KeyEvent#META_SYM_ON},
* {@link KeyEvent#META_FUNCTION_ON}.
* For example, {@link KeyEvent#META_FUNCTION_ON}|{@link KeyEvent#META_CTRL_ON}
*
* @return Modifier associated with the keyboard shortcut.
*/
@Override
int getAlphabeticModifiers();
/**
* Applies a tint to this item's icon. Does not modify the
* current tint mode, which is {@link PorterDuff.Mode#SRC_IN} by default.
* <p>
* Subsequent calls to {@link MenuItem#setIcon(Drawable)} or {@link MenuItem#setIcon(int)} will
* automatically mutate the icon and apply the specified tint and
* tint mode.
*
* @param tint the tint to apply, may be {@code null} to clear tint
*
* @see #getIconTintList()
*/
@Override
MenuItem setIconTintList(ColorStateList tint);
/**
* @return the tint applied to this item's icon
* @see #setIconTintList(ColorStateList)
*/
@Override
ColorStateList getIconTintList();
/**
* Specifies the blending mode used to apply the tint specified by
* {@link #setIconTintList(ColorStateList)} to this item's icon. The default mode is
* {@link PorterDuff.Mode#SRC_IN}.
*
* @param tintMode the blending mode used to apply the tint, may be
* {@code null} to clear tint
* @see #setIconTintList(ColorStateList)
*/
@Override
MenuItem setIconTintMode(PorterDuff.Mode tintMode);
/**
* Returns the blending mode used to apply the tint to this item's icon, if specified.
*
* @return the blending mode used to apply the tint to this item's icon
* @see #setIconTintMode(PorterDuff.Mode)
*/
@Override
PorterDuff.Mode getIconTintMode();
}