diff options
Diffstat (limited to 'libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/ActionBarView.java')
| -rw-r--r-- | libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/ActionBarView.java | 1548 |
1 files changed, 1548 insertions, 0 deletions
diff --git a/libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/ActionBarView.java b/libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/ActionBarView.java new file mode 100644 index 000000000..4636de17f --- /dev/null +++ b/libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/ActionBarView.java @@ -0,0 +1,1548 @@ +/* + * Copyright (C) 2010 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 com.actionbarsherlock.internal.widget; + +import org.xmlpull.v1.XmlPullParser; +import android.app.Activity; +import android.content.Context; +import android.content.pm.ApplicationInfo; +import android.content.pm.PackageManager; +import android.content.pm.PackageManager.NameNotFoundException; +import android.content.res.AssetManager; +import android.content.res.Configuration; +import android.content.res.TypedArray; +import android.content.res.XmlResourceParser; +import android.graphics.drawable.Drawable; +import android.os.Build; +import android.os.Parcel; +import android.os.Parcelable; +import android.text.TextUtils; +import android.util.AttributeSet; +import android.util.Log; +import android.view.Gravity; +import android.view.LayoutInflater; +import android.view.MotionEvent; +import android.view.View; +import android.view.ViewGroup; +import android.view.ViewParent; +import android.view.accessibility.AccessibilityEvent; +import android.widget.FrameLayout; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.SpinnerAdapter; +import android.widget.TextView; + +import com.actionbarsherlock.R; +import com.actionbarsherlock.app.ActionBar; +import com.actionbarsherlock.app.ActionBar.OnNavigationListener; +import com.actionbarsherlock.internal.ActionBarSherlockCompat; +import com.actionbarsherlock.internal.view.menu.ActionMenuItem; +import com.actionbarsherlock.internal.view.menu.ActionMenuPresenter; +import com.actionbarsherlock.internal.view.menu.ActionMenuView; +import com.actionbarsherlock.internal.view.menu.MenuBuilder; +import com.actionbarsherlock.internal.view.menu.MenuItemImpl; +import com.actionbarsherlock.internal.view.menu.MenuPresenter; +import com.actionbarsherlock.internal.view.menu.MenuView; +import com.actionbarsherlock.internal.view.menu.SubMenuBuilder; +import com.actionbarsherlock.view.CollapsibleActionView; +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.Window; + +import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getBoolean; + +/** + * @hide + */ +public class ActionBarView extends AbsActionBarView { + private static final String TAG = "ActionBarView"; + private static final boolean DEBUG = false; + + /** + * Display options applied by default + */ + public static final int DISPLAY_DEFAULT = 0; + + /** + * Display options that require re-layout as opposed to a simple invalidate + */ + private static final int DISPLAY_RELAYOUT_MASK = + ActionBar.DISPLAY_SHOW_HOME | + ActionBar.DISPLAY_USE_LOGO | + ActionBar.DISPLAY_HOME_AS_UP | + ActionBar.DISPLAY_SHOW_CUSTOM | + ActionBar.DISPLAY_SHOW_TITLE; + + private static final int DEFAULT_CUSTOM_GRAVITY = Gravity.LEFT | Gravity.CENTER_VERTICAL; + + private int mNavigationMode; + private int mDisplayOptions = -1; + private CharSequence mTitle; + private CharSequence mSubtitle; + private Drawable mIcon; + private Drawable mLogo; + + private HomeView mHomeLayout; + private HomeView mExpandedHomeLayout; + private LinearLayout mTitleLayout; + private TextView mTitleView; + private TextView mSubtitleView; + private View mTitleUpView; + + private IcsSpinner mSpinner; + private IcsLinearLayout mListNavLayout; + private ScrollingTabContainerView mTabScrollView; + private View mCustomNavView; + private IcsProgressBar mProgressView; + private IcsProgressBar mIndeterminateProgressView; + + private int mProgressBarPadding; + private int mItemPadding; + + private int mTitleStyleRes; + private int mSubtitleStyleRes; + private int mProgressStyle; + private int mIndeterminateProgressStyle; + + private boolean mUserTitle; + private boolean mIncludeTabs; + private boolean mIsCollapsable; + private boolean mIsCollapsed; + + private MenuBuilder mOptionsMenu; + + private ActionBarContextView mContextView; + + private ActionMenuItem mLogoNavItem; + + private SpinnerAdapter mSpinnerAdapter; + private OnNavigationListener mCallback; + + //UNUSED private Runnable mTabSelector; + + private ExpandedActionViewMenuPresenter mExpandedMenuPresenter; + View mExpandedActionView; + + Window.Callback mWindowCallback; + + @SuppressWarnings("rawtypes") + private final IcsAdapterView.OnItemSelectedListener mNavItemSelectedListener = + new IcsAdapterView.OnItemSelectedListener() { + public void onItemSelected(IcsAdapterView parent, View view, int position, long id) { + if (mCallback != null) { + mCallback.onNavigationItemSelected(position, id); + } + } + public void onNothingSelected(IcsAdapterView parent) { + // Do nothing + } + }; + + private final OnClickListener mExpandedActionViewUpListener = new OnClickListener() { + @Override + public void onClick(View v) { + final MenuItemImpl item = mExpandedMenuPresenter.mCurrentExpandedItem; + if (item != null) { + item.collapseActionView(); + } + } + }; + + private final OnClickListener mUpClickListener = new OnClickListener() { + public void onClick(View v) { + mWindowCallback.onMenuItemSelected(Window.FEATURE_OPTIONS_PANEL, mLogoNavItem); + } + }; + + public ActionBarView(Context context, AttributeSet attrs) { + super(context, attrs); + + // Background is always provided by the container. + setBackgroundResource(0); + + TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SherlockActionBar, + R.attr.actionBarStyle, 0); + + ApplicationInfo appInfo = context.getApplicationInfo(); + PackageManager pm = context.getPackageManager(); + mNavigationMode = a.getInt(R.styleable.SherlockActionBar_navigationMode, + ActionBar.NAVIGATION_MODE_STANDARD); + mTitle = a.getText(R.styleable.SherlockActionBar_title); + mSubtitle = a.getText(R.styleable.SherlockActionBar_subtitle); + + mLogo = a.getDrawable(R.styleable.SherlockActionBar_logo); + if (mLogo == null) { + if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) { + if (context instanceof Activity) { + //Even though native methods existed in API 9 and 10 they don't work + //so just parse the manifest to look for the logo pre-Honeycomb + final int resId = loadLogoFromManifest((Activity) context); + if (resId != 0) { + mLogo = context.getResources().getDrawable(resId); + } + } + } else { + if (context instanceof Activity) { + try { + mLogo = pm.getActivityLogo(((Activity) context).getComponentName()); + } catch (NameNotFoundException e) { + Log.e(TAG, "Activity component name not found!", e); + } + } + if (mLogo == null) { + mLogo = appInfo.loadLogo(pm); + } + } + } + + mIcon = a.getDrawable(R.styleable.SherlockActionBar_icon); + if (mIcon == null) { + if (context instanceof Activity) { + try { + mIcon = pm.getActivityIcon(((Activity) context).getComponentName()); + } catch (NameNotFoundException e) { + Log.e(TAG, "Activity component name not found!", e); + } + } + if (mIcon == null) { + mIcon = appInfo.loadIcon(pm); + } + } + + final LayoutInflater inflater = LayoutInflater.from(context); + + final int homeResId = a.getResourceId( + R.styleable.SherlockActionBar_homeLayout, + R.layout.abs__action_bar_home); + + mHomeLayout = (HomeView) inflater.inflate(homeResId, this, false); + + mExpandedHomeLayout = (HomeView) inflater.inflate(homeResId, this, false); + mExpandedHomeLayout.setUp(true); + mExpandedHomeLayout.setOnClickListener(mExpandedActionViewUpListener); + mExpandedHomeLayout.setContentDescription(getResources().getText( + R.string.abs__action_bar_up_description)); + + mTitleStyleRes = a.getResourceId(R.styleable.SherlockActionBar_titleTextStyle, 0); + mSubtitleStyleRes = a.getResourceId(R.styleable.SherlockActionBar_subtitleTextStyle, 0); + mProgressStyle = a.getResourceId(R.styleable.SherlockActionBar_progressBarStyle, 0); + mIndeterminateProgressStyle = a.getResourceId( + R.styleable.SherlockActionBar_indeterminateProgressStyle, 0); + + mProgressBarPadding = a.getDimensionPixelOffset(R.styleable.SherlockActionBar_progressBarPadding, 0); + mItemPadding = a.getDimensionPixelOffset(R.styleable.SherlockActionBar_itemPadding, 0); + + setDisplayOptions(a.getInt(R.styleable.SherlockActionBar_displayOptions, DISPLAY_DEFAULT)); + + final int customNavId = a.getResourceId(R.styleable.SherlockActionBar_customNavigationLayout, 0); + if (customNavId != 0) { + mCustomNavView = inflater.inflate(customNavId, this, false); + mNavigationMode = ActionBar.NAVIGATION_MODE_STANDARD; + setDisplayOptions(mDisplayOptions | ActionBar.DISPLAY_SHOW_CUSTOM); + } + + mContentHeight = a.getLayoutDimension(R.styleable.SherlockActionBar_height, 0); + + a.recycle(); + + mLogoNavItem = new ActionMenuItem(context, 0, android.R.id.home, 0, 0, mTitle); + mHomeLayout.setOnClickListener(mUpClickListener); + mHomeLayout.setClickable(true); + mHomeLayout.setFocusable(true); + } + + /** + * Attempt to programmatically load the logo from the manifest file of an + * activity by using an XML pull parser. This should allow us to read the + * logo attribute regardless of the platform it is being run on. + * + * @param activity Activity instance. + * @return Logo resource ID. + */ + private static int loadLogoFromManifest(Activity activity) { + int logo = 0; + try { + final String thisPackage = activity.getClass().getName(); + if (DEBUG) Log.i(TAG, "Parsing AndroidManifest.xml for " + thisPackage); + + final String packageName = activity.getApplicationInfo().packageName; + final AssetManager am = activity.createPackageContext(packageName, 0).getAssets(); + final XmlResourceParser xml = am.openXmlResourceParser("AndroidManifest.xml"); + + int eventType = xml.getEventType(); + while (eventType != XmlPullParser.END_DOCUMENT) { + if (eventType == XmlPullParser.START_TAG) { + String name = xml.getName(); + + if ("application".equals(name)) { + //Check if the <application> has the attribute + if (DEBUG) Log.d(TAG, "Got <application>"); + + for (int i = xml.getAttributeCount() - 1; i >= 0; i--) { + if (DEBUG) Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i)); + + if ("logo".equals(xml.getAttributeName(i))) { + logo = xml.getAttributeResourceValue(i, 0); + break; //out of for loop + } + } + } else if ("activity".equals(name)) { + //Check if the <activity> is us and has the attribute + if (DEBUG) Log.d(TAG, "Got <activity>"); + Integer activityLogo = null; + String activityPackage = null; + boolean isOurActivity = false; + + for (int i = xml.getAttributeCount() - 1; i >= 0; i--) { + if (DEBUG) Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i)); + + //We need both uiOptions and name attributes + String attrName = xml.getAttributeName(i); + if ("logo".equals(attrName)) { + activityLogo = xml.getAttributeResourceValue(i, 0); + } else if ("name".equals(attrName)) { + activityPackage = ActionBarSherlockCompat.cleanActivityName(packageName, xml.getAttributeValue(i)); + if (!thisPackage.equals(activityPackage)) { + break; //on to the next + } + isOurActivity = true; + } + + //Make sure we have both attributes before processing + if ((activityLogo != null) && (activityPackage != null)) { + //Our activity, logo specified, override with our value + logo = activityLogo.intValue(); + } + } + if (isOurActivity) { + //If we matched our activity but it had no logo don't + //do any more processing of the manifest + break; + } + } + } + eventType = xml.nextToken(); + } + } catch (Exception e) { + e.printStackTrace(); + } + if (DEBUG) Log.i(TAG, "Returning " + Integer.toHexString(logo)); + return logo; + } + + /* + * Must be public so we can dispatch pre-2.2 via ActionBarImpl. + */ + @Override + public void onConfigurationChanged(Configuration newConfig) { + super.onConfigurationChanged(newConfig); + + mTitleView = null; + mSubtitleView = null; + mTitleUpView = null; + if (mTitleLayout != null && mTitleLayout.getParent() == this) { + removeView(mTitleLayout); + } + mTitleLayout = null; + if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0) { + initTitle(); + } + + if (mTabScrollView != null && mIncludeTabs) { + ViewGroup.LayoutParams lp = mTabScrollView.getLayoutParams(); + if (lp != null) { + lp.width = LayoutParams.WRAP_CONTENT; + lp.height = LayoutParams.MATCH_PARENT; + } + mTabScrollView.setAllowCollapse(true); + } + } + + /** + * Set the window callback used to invoke menu items; used for dispatching home button presses. + * @param cb Window callback to dispatch to + */ + public void setWindowCallback(Window.Callback cb) { + mWindowCallback = cb; + } + + @Override + public void onDetachedFromWindow() { + super.onDetachedFromWindow(); + //UNUSED removeCallbacks(mTabSelector); + if (mActionMenuPresenter != null) { + mActionMenuPresenter.hideOverflowMenu(); + mActionMenuPresenter.hideSubMenus(); + } + } + + @Override + public boolean shouldDelayChildPressedState() { + return false; + } + + public void initProgress() { + mProgressView = new IcsProgressBar(mContext, null, 0, mProgressStyle); + mProgressView.setId(R.id.abs__progress_horizontal); + mProgressView.setMax(10000); + addView(mProgressView); + } + + public void initIndeterminateProgress() { + mIndeterminateProgressView = new IcsProgressBar(mContext, null, 0, mIndeterminateProgressStyle); + mIndeterminateProgressView.setId(R.id.abs__progress_circular); + addView(mIndeterminateProgressView); + } + + @Override + public void setSplitActionBar(boolean splitActionBar) { + if (mSplitActionBar != splitActionBar) { + if (mMenuView != null) { + final ViewGroup oldParent = (ViewGroup) mMenuView.getParent(); + if (oldParent != null) { + oldParent.removeView(mMenuView); + } + if (splitActionBar) { + if (mSplitView != null) { + mSplitView.addView(mMenuView); + } + } else { + addView(mMenuView); + } + } + if (mSplitView != null) { + mSplitView.setVisibility(splitActionBar ? VISIBLE : GONE); + } + super.setSplitActionBar(splitActionBar); + } + } + + public boolean isSplitActionBar() { + return mSplitActionBar; + } + + public boolean hasEmbeddedTabs() { + return mIncludeTabs; + } + + public void setEmbeddedTabView(ScrollingTabContainerView tabs) { + if (mTabScrollView != null) { + removeView(mTabScrollView); + } + mTabScrollView = tabs; + mIncludeTabs = tabs != null; + if (mIncludeTabs && mNavigationMode == ActionBar.NAVIGATION_MODE_TABS) { + addView(mTabScrollView); + ViewGroup.LayoutParams lp = mTabScrollView.getLayoutParams(); + lp.width = LayoutParams.WRAP_CONTENT; + lp.height = LayoutParams.MATCH_PARENT; + tabs.setAllowCollapse(true); + } + } + + public void setCallback(OnNavigationListener callback) { + mCallback = callback; + } + + public void setMenu(Menu menu, MenuPresenter.Callback cb) { + if (menu == mOptionsMenu) return; + + if (mOptionsMenu != null) { + mOptionsMenu.removeMenuPresenter(mActionMenuPresenter); + mOptionsMenu.removeMenuPresenter(mExpandedMenuPresenter); + } + + MenuBuilder builder = (MenuBuilder) menu; + mOptionsMenu = builder; + if (mMenuView != null) { + final ViewGroup oldParent = (ViewGroup) mMenuView.getParent(); + if (oldParent != null) { + oldParent.removeView(mMenuView); + } + } + if (mActionMenuPresenter == null) { + mActionMenuPresenter = new ActionMenuPresenter(mContext); + mActionMenuPresenter.setCallback(cb); + mActionMenuPresenter.setId(R.id.abs__action_menu_presenter); + mExpandedMenuPresenter = new ExpandedActionViewMenuPresenter(); + } + + ActionMenuView menuView; + final LayoutParams layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT, + LayoutParams.MATCH_PARENT); + if (!mSplitActionBar) { + mActionMenuPresenter.setExpandedActionViewsExclusive( + getResources_getBoolean(getContext(), + R.bool.abs__action_bar_expanded_action_views_exclusive)); + configPresenters(builder); + menuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this); + final ViewGroup oldParent = (ViewGroup) menuView.getParent(); + if (oldParent != null && oldParent != this) { + oldParent.removeView(menuView); + } + addView(menuView, layoutParams); + } else { + mActionMenuPresenter.setExpandedActionViewsExclusive(false); + // Allow full screen width in split mode. + mActionMenuPresenter.setWidthLimit( + getContext().getResources().getDisplayMetrics().widthPixels, true); + // No limit to the item count; use whatever will fit. + mActionMenuPresenter.setItemLimit(Integer.MAX_VALUE); + // Span the whole width + layoutParams.width = LayoutParams.MATCH_PARENT; + configPresenters(builder); + menuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this); + if (mSplitView != null) { + final ViewGroup oldParent = (ViewGroup) menuView.getParent(); + if (oldParent != null && oldParent != mSplitView) { + oldParent.removeView(menuView); + } + menuView.setVisibility(getAnimatedVisibility()); + mSplitView.addView(menuView, layoutParams); + } else { + // We'll add this later if we missed it this time. + menuView.setLayoutParams(layoutParams); + } + } + mMenuView = menuView; + } + + private void configPresenters(MenuBuilder builder) { + if (builder != null) { + builder.addMenuPresenter(mActionMenuPresenter); + builder.addMenuPresenter(mExpandedMenuPresenter); + } else { + mActionMenuPresenter.initForMenu(mContext, null); + mExpandedMenuPresenter.initForMenu(mContext, null); + mActionMenuPresenter.updateMenuView(true); + mExpandedMenuPresenter.updateMenuView(true); + } + } + + public boolean hasExpandedActionView() { + return mExpandedMenuPresenter != null && + mExpandedMenuPresenter.mCurrentExpandedItem != null; + } + + public void collapseActionView() { + final MenuItemImpl item = mExpandedMenuPresenter == null ? null : + mExpandedMenuPresenter.mCurrentExpandedItem; + if (item != null) { + item.collapseActionView(); + } + } + + public void setCustomNavigationView(View view) { + final boolean showCustom = (mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0; + if (mCustomNavView != null && showCustom) { + removeView(mCustomNavView); + } + mCustomNavView = view; + if (mCustomNavView != null && showCustom) { + addView(mCustomNavView); + } + } + + public CharSequence getTitle() { + return mTitle; + } + + /** + * Set the action bar title. This will always replace or override window titles. + * @param title Title to set + * + * @see #setWindowTitle(CharSequence) + */ + public void setTitle(CharSequence title) { + mUserTitle = true; + setTitleImpl(title); + } + + /** + * Set the window title. A window title will always be replaced or overridden by a user title. + * @param title Title to set + * + * @see #setTitle(CharSequence) + */ + public void setWindowTitle(CharSequence title) { + if (!mUserTitle) { + setTitleImpl(title); + } + } + + private void setTitleImpl(CharSequence title) { + mTitle = title; + if (mTitleView != null) { + mTitleView.setText(title); + final boolean visible = mExpandedActionView == null && + (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0 && + (!TextUtils.isEmpty(mTitle) || !TextUtils.isEmpty(mSubtitle)); + mTitleLayout.setVisibility(visible ? VISIBLE : GONE); + } + if (mLogoNavItem != null) { + mLogoNavItem.setTitle(title); + } + } + + public CharSequence getSubtitle() { + return mSubtitle; + } + + public void setSubtitle(CharSequence subtitle) { + mSubtitle = subtitle; + if (mSubtitleView != null) { + mSubtitleView.setText(subtitle); + mSubtitleView.setVisibility(subtitle != null ? VISIBLE : GONE); + final boolean visible = mExpandedActionView == null && + (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0 && + (!TextUtils.isEmpty(mTitle) || !TextUtils.isEmpty(mSubtitle)); + mTitleLayout.setVisibility(visible ? VISIBLE : GONE); + } + } + + public void setHomeButtonEnabled(boolean enable) { + mHomeLayout.setEnabled(enable); + mHomeLayout.setFocusable(enable); + // Make sure the home button has an accurate content description for accessibility. + if (!enable) { + mHomeLayout.setContentDescription(null); + } else if ((mDisplayOptions & ActionBar.DISPLAY_HOME_AS_UP) != 0) { + mHomeLayout.setContentDescription(mContext.getResources().getText( + R.string.abs__action_bar_up_description)); + } else { + mHomeLayout.setContentDescription(mContext.getResources().getText( + R.string.abs__action_bar_home_description)); + } + } + + public void setDisplayOptions(int options) { + final int flagsChanged = mDisplayOptions == -1 ? -1 : options ^ mDisplayOptions; + mDisplayOptions = options; + + if ((flagsChanged & DISPLAY_RELAYOUT_MASK) != 0) { + final boolean showHome = (options & ActionBar.DISPLAY_SHOW_HOME) != 0; + final int vis = showHome && mExpandedActionView == null ? VISIBLE : GONE; + mHomeLayout.setVisibility(vis); + + if ((flagsChanged & ActionBar.DISPLAY_HOME_AS_UP) != 0) { + final boolean setUp = (options & ActionBar.DISPLAY_HOME_AS_UP) != 0; + mHomeLayout.setUp(setUp); + + // Showing home as up implicitly enables interaction with it. + // In honeycomb it was always enabled, so make this transition + // a bit easier for developers in the common case. + // (It would be silly to show it as up without responding to it.) + if (setUp) { + setHomeButtonEnabled(true); + } + } + + if ((flagsChanged & ActionBar.DISPLAY_USE_LOGO) != 0) { + final boolean logoVis = mLogo != null && (options & ActionBar.DISPLAY_USE_LOGO) != 0; + mHomeLayout.setIcon(logoVis ? mLogo : mIcon); + } + + if ((flagsChanged & ActionBar.DISPLAY_SHOW_TITLE) != 0) { + if ((options & ActionBar.DISPLAY_SHOW_TITLE) != 0) { + initTitle(); + } else { + removeView(mTitleLayout); + } + } + + if (mTitleLayout != null && (flagsChanged & + (ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_SHOW_HOME)) != 0) { + final boolean homeAsUp = (mDisplayOptions & ActionBar.DISPLAY_HOME_AS_UP) != 0; + mTitleUpView.setVisibility(!showHome ? (homeAsUp ? VISIBLE : INVISIBLE) : GONE); + mTitleLayout.setEnabled(!showHome && homeAsUp); + } + + if ((flagsChanged & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && mCustomNavView != null) { + if ((options & ActionBar.DISPLAY_SHOW_CUSTOM) != 0) { + addView(mCustomNavView); + } else { + removeView(mCustomNavView); + } + } + + requestLayout(); + } else { + invalidate(); + } + + // Make sure the home button has an accurate content description for accessibility. + if (!mHomeLayout.isEnabled()) { + mHomeLayout.setContentDescription(null); + } else if ((options & ActionBar.DISPLAY_HOME_AS_UP) != 0) { + mHomeLayout.setContentDescription(mContext.getResources().getText( + R.string.abs__action_bar_up_description)); + } else { + mHomeLayout.setContentDescription(mContext.getResources().getText( + R.string.abs__action_bar_home_description)); + } + } + + public void setIcon(Drawable icon) { + mIcon = icon; + if (icon != null && + ((mDisplayOptions & ActionBar.DISPLAY_USE_LOGO) == 0 || mLogo == null)) { + mHomeLayout.setIcon(icon); + } + } + + public void setIcon(int resId) { + setIcon(mContext.getResources().getDrawable(resId)); + } + + public void setLogo(Drawable logo) { + mLogo = logo; + if (logo != null && (mDisplayOptions & ActionBar.DISPLAY_USE_LOGO) != 0) { + mHomeLayout.setIcon(logo); + } + } + + public void setLogo(int resId) { + setLogo(mContext.getResources().getDrawable(resId)); + } + + public void setNavigationMode(int mode) { + final int oldMode = mNavigationMode; + if (mode != oldMode) { + switch (oldMode) { + case ActionBar.NAVIGATION_MODE_LIST: + if (mListNavLayout != null) { + removeView(mListNavLayout); + } + break; + case ActionBar.NAVIGATION_MODE_TABS: + if (mTabScrollView != null && mIncludeTabs) { + removeView(mTabScrollView); + } + } + + switch (mode) { + case ActionBar.NAVIGATION_MODE_LIST: + if (mSpinner == null) { + mSpinner = new IcsSpinner(mContext, null, + R.attr.actionDropDownStyle); + mListNavLayout = (IcsLinearLayout) LayoutInflater.from(mContext) + .inflate(R.layout.abs__action_bar_tab_bar_view, null); + LinearLayout.LayoutParams params = new LinearLayout.LayoutParams( + LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT); + params.gravity = Gravity.CENTER; + mListNavLayout.addView(mSpinner, params); + } + if (mSpinner.getAdapter() != mSpinnerAdapter) { + mSpinner.setAdapter(mSpinnerAdapter); + } + mSpinner.setOnItemSelectedListener(mNavItemSelectedListener); + addView(mListNavLayout); + break; + case ActionBar.NAVIGATION_MODE_TABS: + if (mTabScrollView != null && mIncludeTabs) { + addView(mTabScrollView); + } + break; + } + mNavigationMode = mode; + requestLayout(); + } + } + + public void setDropdownAdapter(SpinnerAdapter adapter) { + mSpinnerAdapter = adapter; + if (mSpinner != null) { + mSpinner.setAdapter(adapter); + } + } + + public SpinnerAdapter getDropdownAdapter() { + return mSpinnerAdapter; + } + + public void setDropdownSelectedPosition(int position) { + mSpinner.setSelection(position); + } + + public int getDropdownSelectedPosition() { + return mSpinner.getSelectedItemPosition(); + } + + public View getCustomNavigationView() { + return mCustomNavView; + } + + public int getNavigationMode() { + return mNavigationMode; + } + + public int getDisplayOptions() { + return mDisplayOptions; + } + + @Override + protected ViewGroup.LayoutParams generateDefaultLayoutParams() { + // Used by custom nav views if they don't supply layout params. Everything else + // added to an ActionBarView should have them already. + return new ActionBar.LayoutParams(DEFAULT_CUSTOM_GRAVITY); + } + + @Override + protected void onFinishInflate() { + super.onFinishInflate(); + + addView(mHomeLayout); + + if (mCustomNavView != null && (mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0) { + final ViewParent parent = mCustomNavView.getParent(); + if (parent != this) { + if (parent instanceof ViewGroup) { + ((ViewGroup) parent).removeView(mCustomNavView); + } + addView(mCustomNavView); + } + } + } + + private void initTitle() { + if (mTitleLayout == null) { + LayoutInflater inflater = LayoutInflater.from(getContext()); + mTitleLayout = (LinearLayout) inflater.inflate(R.layout.abs__action_bar_title_item, + this, false); + mTitleView = (TextView) mTitleLayout.findViewById(R.id.abs__action_bar_title); + mSubtitleView = (TextView) mTitleLayout.findViewById(R.id.abs__action_bar_subtitle); + mTitleUpView = mTitleLayout.findViewById(R.id.abs__up); + + mTitleLayout.setOnClickListener(mUpClickListener); + + if (mTitleStyleRes != 0) { + mTitleView.setTextAppearance(mContext, mTitleStyleRes); + } + if (mTitle != null) { + mTitleView.setText(mTitle); + } + + if (mSubtitleStyleRes != 0) { + mSubtitleView.setTextAppearance(mContext, mSubtitleStyleRes); + } + if (mSubtitle != null) { + mSubtitleView.setText(mSubtitle); + mSubtitleView.setVisibility(VISIBLE); + } + + final boolean homeAsUp = (mDisplayOptions & ActionBar.DISPLAY_HOME_AS_UP) != 0; + final boolean showHome = (mDisplayOptions & ActionBar.DISPLAY_SHOW_HOME) != 0; + mTitleUpView.setVisibility(!showHome ? (homeAsUp ? VISIBLE : INVISIBLE) : GONE); + mTitleLayout.setEnabled(homeAsUp && !showHome); + } + + addView(mTitleLayout); + if (mExpandedActionView != null || + (TextUtils.isEmpty(mTitle) && TextUtils.isEmpty(mSubtitle))) { + // Don't show while in expanded mode or with empty text + mTitleLayout.setVisibility(GONE); + } + } + + public void setContextView(ActionBarContextView view) { + mContextView = view; + } + + public void setCollapsable(boolean collapsable) { + mIsCollapsable = collapsable; + } + + public boolean isCollapsed() { + return mIsCollapsed; + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + final int childCount = getChildCount(); + if (mIsCollapsable) { + int visibleChildren = 0; + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + if (child.getVisibility() != GONE && + !(child == mMenuView && mMenuView.getChildCount() == 0)) { + visibleChildren++; + } + } + + if (visibleChildren == 0) { + // No size for an empty action bar when collapsable. + setMeasuredDimension(0, 0); + mIsCollapsed = true; + return; + } + } + mIsCollapsed = false; + + int widthMode = MeasureSpec.getMode(widthMeasureSpec); + if (widthMode != MeasureSpec.EXACTLY) { + throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + + "with android:layout_width=\"match_parent\" (or fill_parent)"); + } + + int heightMode = MeasureSpec.getMode(heightMeasureSpec); + if (heightMode != MeasureSpec.AT_MOST) { + throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + + "with android:layout_height=\"wrap_content\""); + } + + int contentWidth = MeasureSpec.getSize(widthMeasureSpec); + + int maxHeight = mContentHeight > 0 ? + mContentHeight : MeasureSpec.getSize(heightMeasureSpec); + + final int verticalPadding = getPaddingTop() + getPaddingBottom(); + final int paddingLeft = getPaddingLeft(); + final int paddingRight = getPaddingRight(); + final int height = maxHeight - verticalPadding; + final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST); + + int availableWidth = contentWidth - paddingLeft - paddingRight; + int leftOfCenter = availableWidth / 2; + int rightOfCenter = leftOfCenter; + + HomeView homeLayout = mExpandedActionView != null ? mExpandedHomeLayout : mHomeLayout; + + if (homeLayout.getVisibility() != GONE) { + final ViewGroup.LayoutParams lp = homeLayout.getLayoutParams(); + int homeWidthSpec; + if (lp.width < 0) { + homeWidthSpec = MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST); + } else { + homeWidthSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); + } + homeLayout.measure(homeWidthSpec, + MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); + final int homeWidth = homeLayout.getMeasuredWidth() + homeLayout.getLeftOffset(); + availableWidth = Math.max(0, availableWidth - homeWidth); + leftOfCenter = Math.max(0, availableWidth - homeWidth); + } + + if (mMenuView != null && mMenuView.getParent() == this) { + availableWidth = measureChildView(mMenuView, availableWidth, + childSpecHeight, 0); + rightOfCenter = Math.max(0, rightOfCenter - mMenuView.getMeasuredWidth()); + } + + if (mIndeterminateProgressView != null && + mIndeterminateProgressView.getVisibility() != GONE) { + availableWidth = measureChildView(mIndeterminateProgressView, availableWidth, + childSpecHeight, 0); + rightOfCenter = Math.max(0, + rightOfCenter - mIndeterminateProgressView.getMeasuredWidth()); + } + + final boolean showTitle = mTitleLayout != null && mTitleLayout.getVisibility() != GONE && + (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0; + + if (mExpandedActionView == null) { + switch (mNavigationMode) { + case ActionBar.NAVIGATION_MODE_LIST: + if (mListNavLayout != null) { + final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding; + availableWidth = Math.max(0, availableWidth - itemPaddingSize); + leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize); + mListNavLayout.measure( + MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST), + MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); + final int listNavWidth = mListNavLayout.getMeasuredWidth(); + availableWidth = Math.max(0, availableWidth - listNavWidth); + leftOfCenter = Math.max(0, leftOfCenter - listNavWidth); + } + break; + case ActionBar.NAVIGATION_MODE_TABS: + if (mTabScrollView != null) { + final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding; + availableWidth = Math.max(0, availableWidth - itemPaddingSize); + leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize); + mTabScrollView.measure( + MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST), + MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); + final int tabWidth = mTabScrollView.getMeasuredWidth(); + availableWidth = Math.max(0, availableWidth - tabWidth); + leftOfCenter = Math.max(0, leftOfCenter - tabWidth); + } + break; + } + } + + View customView = null; + if (mExpandedActionView != null) { + customView = mExpandedActionView; + } else if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && + mCustomNavView != null) { + customView = mCustomNavView; + } + + if (customView != null) { + final ViewGroup.LayoutParams lp = generateLayoutParams(customView.getLayoutParams()); + final ActionBar.LayoutParams ablp = lp instanceof ActionBar.LayoutParams ? + (ActionBar.LayoutParams) lp : null; + + int horizontalMargin = 0; + int verticalMargin = 0; + if (ablp != null) { + horizontalMargin = ablp.leftMargin + ablp.rightMargin; + verticalMargin = ablp.topMargin + ablp.bottomMargin; + } + + // If the action bar is wrapping to its content height, don't allow a custom + // view to MATCH_PARENT. + int customNavHeightMode; + if (mContentHeight <= 0) { + customNavHeightMode = MeasureSpec.AT_MOST; + } else { + customNavHeightMode = lp.height != LayoutParams.WRAP_CONTENT ? + MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; + } + final int customNavHeight = Math.max(0, + (lp.height >= 0 ? Math.min(lp.height, height) : height) - verticalMargin); + + final int customNavWidthMode = lp.width != LayoutParams.WRAP_CONTENT ? + MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; + int customNavWidth = Math.max(0, + (lp.width >= 0 ? Math.min(lp.width, availableWidth) : availableWidth) + - horizontalMargin); + final int hgrav = (ablp != null ? ablp.gravity : DEFAULT_CUSTOM_GRAVITY) & + Gravity.HORIZONTAL_GRAVITY_MASK; + + // Centering a custom view is treated specially; we try to center within the whole + // action bar rather than in the available space. + if (hgrav == Gravity.CENTER_HORIZONTAL && lp.width == LayoutParams.MATCH_PARENT) { + customNavWidth = Math.min(leftOfCenter, rightOfCenter) * 2; + } + + customView.measure( + MeasureSpec.makeMeasureSpec(customNavWidth, customNavWidthMode), + MeasureSpec.makeMeasureSpec(customNavHeight, customNavHeightMode)); + availableWidth -= horizontalMargin + customView.getMeasuredWidth(); + } + + if (mExpandedActionView == null && showTitle) { + availableWidth = measureChildView(mTitleLayout, availableWidth, + MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.EXACTLY), 0); + leftOfCenter = Math.max(0, leftOfCenter - mTitleLayout.getMeasuredWidth()); + } + + if (mContentHeight <= 0) { + int measuredHeight = 0; + for (int i = 0; i < childCount; i++) { + View v = getChildAt(i); + int paddedViewHeight = v.getMeasuredHeight() + verticalPadding; + if (paddedViewHeight > measuredHeight) { + measuredHeight = paddedViewHeight; + } + } + setMeasuredDimension(contentWidth, measuredHeight); + } else { + setMeasuredDimension(contentWidth, maxHeight); + } + + if (mContextView != null) { + mContextView.setContentHeight(getMeasuredHeight()); + } + + if (mProgressView != null && mProgressView.getVisibility() != GONE) { + mProgressView.measure(MeasureSpec.makeMeasureSpec( + contentWidth - mProgressBarPadding * 2, MeasureSpec.EXACTLY), + MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST)); + } + } + + @Override + protected void onLayout(boolean changed, int l, int t, int r, int b) { + int x = getPaddingLeft(); + final int y = getPaddingTop(); + final int contentHeight = b - t - getPaddingTop() - getPaddingBottom(); + + if (contentHeight <= 0) { + // Nothing to do if we can't see anything. + return; + } + + HomeView homeLayout = mExpandedActionView != null ? mExpandedHomeLayout : mHomeLayout; + if (homeLayout.getVisibility() != GONE) { + final int leftOffset = homeLayout.getLeftOffset(); + x += positionChild(homeLayout, x + leftOffset, y, contentHeight) + leftOffset; + } + + if (mExpandedActionView == null) { + final boolean showTitle = mTitleLayout != null && mTitleLayout.getVisibility() != GONE && + (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0; + if (showTitle) { + x += positionChild(mTitleLayout, x, y, contentHeight); + } + + switch (mNavigationMode) { + case ActionBar.NAVIGATION_MODE_STANDARD: + break; + case ActionBar.NAVIGATION_MODE_LIST: + if (mListNavLayout != null) { + if (showTitle) x += mItemPadding; + x += positionChild(mListNavLayout, x, y, contentHeight) + mItemPadding; + } + break; + case ActionBar.NAVIGATION_MODE_TABS: + if (mTabScrollView != null) { + if (showTitle) x += mItemPadding; + x += positionChild(mTabScrollView, x, y, contentHeight) + mItemPadding; + } + break; + } + } + + int menuLeft = r - l - getPaddingRight(); + if (mMenuView != null && mMenuView.getParent() == this) { + positionChildInverse(mMenuView, menuLeft, y, contentHeight); + menuLeft -= mMenuView.getMeasuredWidth(); + } + + if (mIndeterminateProgressView != null && + mIndeterminateProgressView.getVisibility() != GONE) { + positionChildInverse(mIndeterminateProgressView, menuLeft, y, contentHeight); + menuLeft -= mIndeterminateProgressView.getMeasuredWidth(); + } + + View customView = null; + if (mExpandedActionView != null) { + customView = mExpandedActionView; + } else if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && + mCustomNavView != null) { + customView = mCustomNavView; + } + if (customView != null) { + ViewGroup.LayoutParams lp = customView.getLayoutParams(); + final ActionBar.LayoutParams ablp = lp instanceof ActionBar.LayoutParams ? + (ActionBar.LayoutParams) lp : null; + + final int gravity = ablp != null ? ablp.gravity : DEFAULT_CUSTOM_GRAVITY; + final int navWidth = customView.getMeasuredWidth(); + + int topMargin = 0; + int bottomMargin = 0; + if (ablp != null) { + x += ablp.leftMargin; + menuLeft -= ablp.rightMargin; + topMargin = ablp.topMargin; + bottomMargin = ablp.bottomMargin; + } + + int hgravity = gravity & Gravity.HORIZONTAL_GRAVITY_MASK; + // See if we actually have room to truly center; if not push against left or right. + if (hgravity == Gravity.CENTER_HORIZONTAL) { + final int centeredLeft = ((getRight() - getLeft()) - navWidth) / 2; + if (centeredLeft < x) { + hgravity = Gravity.LEFT; + } else if (centeredLeft + navWidth > menuLeft) { + hgravity = Gravity.RIGHT; + } + } else if (gravity == -1) { + hgravity = Gravity.LEFT; + } + + int xpos = 0; + switch (hgravity) { + case Gravity.CENTER_HORIZONTAL: + xpos = ((getRight() - getLeft()) - navWidth) / 2; + break; + case Gravity.LEFT: + xpos = x; + break; + case Gravity.RIGHT: + xpos = menuLeft - navWidth; + break; + } + + int vgravity = gravity & Gravity.VERTICAL_GRAVITY_MASK; + + if (gravity == -1) { + vgravity = Gravity.CENTER_VERTICAL; + } + + int ypos = 0; + switch (vgravity) { + case Gravity.CENTER_VERTICAL: + final int paddedTop = getPaddingTop(); + final int paddedBottom = getBottom() - getTop() - getPaddingBottom(); + ypos = ((paddedBottom - paddedTop) - customView.getMeasuredHeight()) / 2; + break; + case Gravity.TOP: + ypos = getPaddingTop() + topMargin; + break; + case Gravity.BOTTOM: + ypos = getHeight() - getPaddingBottom() - customView.getMeasuredHeight() + - bottomMargin; + break; + } + final int customWidth = customView.getMeasuredWidth(); + customView.layout(xpos, ypos, xpos + customWidth, + ypos + customView.getMeasuredHeight()); + x += customWidth; + } + + if (mProgressView != null) { + mProgressView.bringToFront(); + final int halfProgressHeight = mProgressView.getMeasuredHeight() / 2; + mProgressView.layout(mProgressBarPadding, -halfProgressHeight, + mProgressBarPadding + mProgressView.getMeasuredWidth(), halfProgressHeight); + } + } + + @Override + public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { + return new ActionBar.LayoutParams(getContext(), attrs); + } + + @Override + public ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams lp) { + if (lp == null) { + lp = generateDefaultLayoutParams(); + } + return lp; + } + + @Override + public Parcelable onSaveInstanceState() { + Parcelable superState = super.onSaveInstanceState(); + SavedState state = new SavedState(superState); + + if (mExpandedMenuPresenter != null && mExpandedMenuPresenter.mCurrentExpandedItem != null) { + state.expandedMenuItemId = mExpandedMenuPresenter.mCurrentExpandedItem.getItemId(); + } + + state.isOverflowOpen = isOverflowMenuShowing(); + + return state; + } + + @Override + public void onRestoreInstanceState(Parcelable p) { + SavedState state = (SavedState) p; + + super.onRestoreInstanceState(state.getSuperState()); + + if (state.expandedMenuItemId != 0 && + mExpandedMenuPresenter != null && mOptionsMenu != null) { + final MenuItem item = mOptionsMenu.findItem(state.expandedMenuItemId); + if (item != null) { + item.expandActionView(); + } + } + + if (state.isOverflowOpen) { + postShowOverflowMenu(); + } + } + + static class SavedState extends BaseSavedState { + int expandedMenuItemId; + boolean isOverflowOpen; + + SavedState(Parcelable superState) { + super(superState); + } + + private SavedState(Parcel in) { + super(in); + expandedMenuItemId = in.readInt(); + isOverflowOpen = in.readInt() != 0; + } + + @Override + public void writeToParcel(Parcel out, int flags) { + super.writeToParcel(out, flags); + out.writeInt(expandedMenuItemId); + out.writeInt(isOverflowOpen ? 1 : 0); + } + + public static final Parcelable.Creator<SavedState> CREATOR = + new Parcelable.Creator<SavedState>() { + public SavedState createFromParcel(Parcel in) { + return new SavedState(in); + } + + public SavedState[] newArray(int size) { + return new SavedState[size]; + } + }; + } + + public static class HomeView extends FrameLayout { + private View mUpView; + private ImageView mIconView; + private int mUpWidth; + + public HomeView(Context context) { + this(context, null); + } + + public HomeView(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public void setUp(boolean isUp) { + mUpView.setVisibility(isUp ? VISIBLE : GONE); + } + + public void setIcon(Drawable icon) { + mIconView.setImageDrawable(icon); + } + + @Override + public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { + onPopulateAccessibilityEvent(event); + return true; + } + + @Override + public void onPopulateAccessibilityEvent(AccessibilityEvent event) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { + super.onPopulateAccessibilityEvent(event); + } + final CharSequence cdesc = getContentDescription(); + if (!TextUtils.isEmpty(cdesc)) { + event.getText().add(cdesc); + } + } + + @Override + public boolean dispatchHoverEvent(MotionEvent event) { + // Don't allow children to hover; we want this to be treated as a single component. + return onHoverEvent(event); + } + + @Override + protected void onFinishInflate() { + mUpView = findViewById(R.id.abs__up); + mIconView = (ImageView) findViewById(R.id.abs__home); + } + + public int getLeftOffset() { + return mUpView.getVisibility() == GONE ? mUpWidth : 0; + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + measureChildWithMargins(mUpView, widthMeasureSpec, 0, heightMeasureSpec, 0); + final LayoutParams upLp = (LayoutParams) mUpView.getLayoutParams(); + mUpWidth = upLp.leftMargin + mUpView.getMeasuredWidth() + upLp.rightMargin; + int width = mUpView.getVisibility() == GONE ? 0 : mUpWidth; + int height = upLp.topMargin + mUpView.getMeasuredHeight() + upLp.bottomMargin; + measureChildWithMargins(mIconView, widthMeasureSpec, width, heightMeasureSpec, 0); + final LayoutParams iconLp = (LayoutParams) mIconView.getLayoutParams(); + width += iconLp.leftMargin + mIconView.getMeasuredWidth() + iconLp.rightMargin; + height = Math.max(height, + iconLp.topMargin + mIconView.getMeasuredHeight() + iconLp.bottomMargin); + + final int widthMode = MeasureSpec.getMode(widthMeasureSpec); + final int heightMode = MeasureSpec.getMode(heightMeasureSpec); + final int widthSize = MeasureSpec.getSize(widthMeasureSpec); + final int heightSize = MeasureSpec.getSize(heightMeasureSpec); + + switch (widthMode) { + case MeasureSpec.AT_MOST: + width = Math.min(width, widthSize); + break; + case MeasureSpec.EXACTLY: + width = widthSize; + break; + case MeasureSpec.UNSPECIFIED: + default: + break; + } + switch (heightMode) { + case MeasureSpec.AT_MOST: + height = Math.min(height, heightSize); + break; + case MeasureSpec.EXACTLY: + height = heightSize; + break; + case MeasureSpec.UNSPECIFIED: + default: + break; + } + setMeasuredDimension(width, height); + } + + @Override + protected void onLayout(boolean changed, int l, int t, int r, int b) { + final int vCenter = (b - t) / 2; + //UNUSED int width = r - l; + int upOffset = 0; + if (mUpView.getVisibility() != GONE) { + final LayoutParams upLp = (LayoutParams) mUpView.getLayoutParams(); + final int upHeight = mUpView.getMeasuredHeight(); + final int upWidth = mUpView.getMeasuredWidth(); + final int upTop = vCenter - upHeight / 2; + mUpView.layout(0, upTop, upWidth, upTop + upHeight); + upOffset = upLp.leftMargin + upWidth + upLp.rightMargin; + //UNUSED width -= upOffset; + l += upOffset; + } + final LayoutParams iconLp = (LayoutParams) mIconView.getLayoutParams(); + final int iconHeight = mIconView.getMeasuredHeight(); + final int iconWidth = mIconView.getMeasuredWidth(); + final int hCenter = (r - l) / 2; + final int iconLeft = upOffset + Math.max(iconLp.leftMargin, hCenter - iconWidth / 2); + final int iconTop = Math.max(iconLp.topMargin, vCenter - iconHeight / 2); + mIconView.layout(iconLeft, iconTop, iconLeft + iconWidth, iconTop + iconHeight); + } + } + + private class ExpandedActionViewMenuPresenter implements MenuPresenter { + MenuBuilder mMenu; + MenuItemImpl mCurrentExpandedItem; + + @Override + public void initForMenu(Context context, MenuBuilder menu) { + // Clear the expanded action view when menus change. + if (mMenu != null && mCurrentExpandedItem != null) { + mMenu.collapseItemActionView(mCurrentExpandedItem); + } + mMenu = menu; + } + + @Override + public MenuView getMenuView(ViewGroup root) { + return null; + } + + @Override + public void updateMenuView(boolean cleared) { + // Make sure the expanded item we have is still there. + if (mCurrentExpandedItem != null) { + boolean found = false; + + if (mMenu != null) { + final int count = mMenu.size(); + for (int i = 0; i < count; i++) { + final MenuItem item = mMenu.getItem(i); + if (item == mCurrentExpandedItem) { + found = true; + break; + } + } + } + + if (!found) { + // The item we had expanded disappeared. Collapse. + collapseItemActionView(mMenu, mCurrentExpandedItem); + } + } + } + + @Override + public void setCallback(Callback cb) { + } + + @Override + public boolean onSubMenuSelected(SubMenuBuilder subMenu) { + return false; + } + + @Override + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { + } + + @Override + public boolean flagActionItems() { + return false; + } + + @Override + public boolean expandItemActionView(MenuBuilder menu, MenuItemImpl item) { + mExpandedActionView = item.getActionView(); + mExpandedHomeLayout.setIcon(mIcon.getConstantState().newDrawable(/* TODO getResources() */)); + mCurrentExpandedItem = item; + if (mExpandedActionView.getParent() != ActionBarView.this) { + addView(mExpandedActionView); + } + if (mExpandedHomeLayout.getParent() != ActionBarView.this) { + addView(mExpandedHomeLayout); + } + mHomeLayout.setVisibility(GONE); + if (mTitleLayout != null) mTitleLayout.setVisibility(GONE); + if (mTabScrollView != null) mTabScrollView.setVisibility(GONE); + if (mSpinner != null) mSpinner.setVisibility(GONE); + if (mCustomNavView != null) mCustomNavView.setVisibility(GONE); + requestLayout(); + item.setActionViewExpanded(true); + + if (mExpandedActionView instanceof CollapsibleActionView) { + ((CollapsibleActionView) mExpandedActionView).onActionViewExpanded(); + } + + return true; + } + + @Override + public boolean collapseItemActionView(MenuBuilder menu, MenuItemImpl item) { + // Do this before detaching the actionview from the hierarchy, in case + // it needs to dismiss the soft keyboard, etc. + if (mExpandedActionView instanceof CollapsibleActionView) { + ((CollapsibleActionView) mExpandedActionView).onActionViewCollapsed(); + } + + removeView(mExpandedActionView); + removeView(mExpandedHomeLayout); + mExpandedActionView = null; + if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_HOME) != 0) { + mHomeLayout.setVisibility(VISIBLE); + } + if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0) { + if (mTitleLayout == null) { + initTitle(); + } else { + mTitleLayout.setVisibility(VISIBLE); + } + } + if (mTabScrollView != null && mNavigationMode == ActionBar.NAVIGATION_MODE_TABS) { + mTabScrollView.setVisibility(VISIBLE); + } + if (mSpinner != null && mNavigationMode == ActionBar.NAVIGATION_MODE_LIST) { + mSpinner.setVisibility(VISIBLE); + } + if (mCustomNavView != null && (mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0) { + mCustomNavView.setVisibility(VISIBLE); + } + mExpandedHomeLayout.setIcon(null); + mCurrentExpandedItem = null; + requestLayout(); + item.setActionViewExpanded(false); + + return true; + } + + @Override + public int getId() { + return 0; + } + + @Override + public Parcelable onSaveInstanceState() { + return null; + } + + @Override + public void onRestoreInstanceState(Parcelable state) { + } + } +} |