Use the right layout for inflating Action Bar. (0bffc736) · Commits · e / os / android_frameworks_base

core/java/android/widget/Toolbar.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -1745,6 +1745,17 @@ public class Toolbar extends ViewGroup {
		mMenuBuilderCallback = mcb;
		}

		/**
		* Accessor to enable LayoutLib to get ActionMenuPresenter directly.
		*/
		ActionMenuPresenter getOuterActionMenuPresenter() {
		return mOuterActionMenuPresenter;
		}

		Context getPopupContext() {
		return mPopupContext;
		}

		/**
		* Interface responsible for receiving menu item click events if the items themselves
		* do not have individual item click listeners.

tools/layoutlib/bridge/src/android/view/WindowCallback.java

0 → 100644

+131 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 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.view;

		import android.view.ActionMode.Callback;
		import android.view.WindowManager.LayoutParams;
		import android.view.accessibility.AccessibilityEvent;

		/**
		* An empty implementation of {@link Window.Callback} that always returns null/false.
		*/
		public class WindowCallback implements Window.Callback {
		@Override
		public boolean dispatchKeyEvent(KeyEvent event) {
		return false;
		}

		@Override
		public boolean dispatchKeyShortcutEvent(KeyEvent event) {
		return false;
		}

		@Override
		public boolean dispatchTouchEvent(MotionEvent event) {
		return false;
		}

		@Override
		public boolean dispatchTrackballEvent(MotionEvent event) {
		return false;
		}

		@Override
		public boolean dispatchGenericMotionEvent(MotionEvent event) {
		return false;
		}

		@Override
		public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
		return false;
		}

		@Override
		public View onCreatePanelView(int featureId) {
		return null;
		}

		@Override
		public boolean onCreatePanelMenu(int featureId, Menu menu) {
		return false;
		}

		@Override
		public boolean onPreparePanel(int featureId, View view, Menu menu) {
		return false;
		}

		@Override
		public boolean onMenuOpened(int featureId, Menu menu) {
		return false;
		}

		@Override
		public boolean onMenuItemSelected(int featureId, MenuItem item) {
		return false;
		}

		@Override
		public void onWindowAttributesChanged(LayoutParams attrs) {

		}

		@Override
		public void onContentChanged() {

		}

		@Override
		public void onWindowFocusChanged(boolean hasFocus) {

		}

		@Override
		public void onAttachedToWindow() {

		}

		@Override
		public void onDetachedFromWindow() {

		}

		@Override
		public void onPanelClosed(int featureId, Menu menu) {

		}

		@Override
		public boolean onSearchRequested() {
		return false;
		}

		@Override
		public ActionMode onWindowStartingActionMode(Callback callback) {
		return null;
		}

		@Override
		public void onActionModeStarted(ActionMode mode) {

		}

		@Override
		public void onActionModeFinished(ActionMode mode) {

		}
		}

tools/layoutlib/bridge/src/android/widget/Toolbar_Accessor.java

0 → 100644

+32 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 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.widget;

		import android.content.Context;

		/**
		* To access non public members of classes in {@link Toolbar}
		*/
		public class Toolbar_Accessor {
		public static ActionMenuPresenter getActionMenuPresenter(Toolbar toolbar) {
		return toolbar.getOuterActionMenuPresenter();
		}

		public static Context getPopupContext(Toolbar toolbar) {
		return toolbar.getPopupContext();
		}
		}

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/ActionBarLayout.java

+74 −177

Original line number	Diff line number	Diff line
		@@ -18,36 +18,24 @@ package com.android.layoutlib.bridge.bars;

		import com.android.annotations.NonNull;
		import com.android.annotations.Nullable;
		import com.android.ide.common.rendering.api.ActionBarCallback;
		import com.android.ide.common.rendering.api.ActionBarCallback.HomeButtonStyle;
		import com.android.ide.common.rendering.api.RenderResources;
		import com.android.ide.common.rendering.api.ResourceValue;
		import com.android.ide.common.rendering.api.SessionParams;
		import com.android.internal.R;
		import com.android.internal.app.WindowDecorActionBar;
		import com.android.internal.view.menu.MenuBuilder;
		import com.android.internal.view.menu.MenuItemImpl;
		import com.android.internal.widget.ActionBarAccessor;
		import com.android.internal.widget.ActionBarContainer;
		import com.android.internal.widget.ActionBarView;
		import com.android.layoutlib.bridge.android.BridgeContext;
		import com.android.layoutlib.bridge.impl.ResourceHelper;
		import com.android.resources.ResourceType;

		import android.app.ActionBar;
		import android.app.ActionBar.Tab;
		import android.app.ActionBar.TabListener;
		import android.app.FragmentTransaction;
		import android.content.Context;
		import android.content.res.TypedArray;
		import android.graphics.drawable.Drawable;
		import android.util.DisplayMetrics;
		import android.util.TypedValue;
		import android.view.Gravity;
		import android.view.LayoutInflater;
		import android.view.MenuInflater;
		import android.view.View;
		import android.view.View.MeasureSpec;
		import android.view.ViewGroup;
		import android.view.ViewGroup.LayoutParams;
		import android.widget.ActionMenuPresenter;
		import android.widget.FrameLayout;
		import android.widget.LinearLayout;
		import android.widget.ListAdapter;
		@@ -56,172 +44,72 @@ import android.widget.RelativeLayout;

		import java.util.ArrayList;

		/**
		* A layout representing the action bar.
		*/
		public class ActionBarLayout extends LinearLayout {
		public class ActionBarLayout {

		private static final String LAYOUT_ATTR_NAME = "windowActionBarFullscreenDecorLayout";

		// The Action Bar
		@NonNull private CustomActionBarWrapper mActionBar;

		// Store another reference to the context so that we don't have to cast it repeatedly.
		@NonNull private final BridgeContext mBridgeContext;
		@NonNull private final Context mThemedContext;

		@NonNull private final ActionBar mActionBar;

		// Data for Action Bar.
		@Nullable private final String mIcon;
		@Nullable private final String mTitle;
		@Nullable private final String mSubTitle;
		private final boolean mSplit;
		private final boolean mShowHomeAsUp;
		private final int mNavMode;

		// Helper fields.
		@NonNull private final MenuBuilder mMenuBuilder;
		private final int mPopupMaxWidth;
		@NonNull private final RenderResources res;
		@Nullable private final ActionBarView mActionBarView;
		@Nullable private FrameLayout mContentRoot;
		@NonNull private final ActionBarCallback mCallback;

		@NonNull private FrameLayout mContentRoot;

		// A fake parent for measuring views.
		@Nullable private ViewGroup mMeasureParent;

		public ActionBarLayout(@NonNull BridgeContext context, @NonNull SessionParams params) {

		super(context);
		setOrientation(LinearLayout.HORIZONTAL);
		setGravity(Gravity.CENTER_VERTICAL);

		// Inflate action bar layout.
		LayoutInflater.from(context).inflate(R.layout.screen_action_bar, this,
		true /attachToRoot/);
		mActionBar = new WindowDecorActionBar(this);

		// Set contexts.
		mBridgeContext = context;
		mThemedContext = mActionBar.getThemedContext();

		// Set data for action bar.
		mCallback = params.getProjectCallback().getActionBarCallback();
		mIcon = params.getAppIcon();
		mTitle = params.getAppLabel();
		// Split Action Bar when the screen size is narrow and the application requests split action
		// bar when narrow.
		mSplit = context.getResources().getBoolean(R.bool.split_action_bar_is_narrow) &&
		mCallback.getSplitActionBarWhenNarrow();
		mNavMode = mCallback.getNavigationMode();
		// TODO: Support Navigation Drawer Indicator.
		mShowHomeAsUp = mCallback.getHomeButtonStyle() == HomeButtonStyle.SHOW_HOME_AS_UP;
		mSubTitle = mCallback.getSubTitle();


		// Set helper fields.
		mMenuBuilder = new MenuBuilder(mThemedContext);
		res = mBridgeContext.getRenderResources();
		mPopupMaxWidth = Math.max(mBridgeContext.getMetrics().widthPixels / 2,
		mThemedContext.getResources().getDimensionPixelSize(
		R.dimen.config_prefDialogWidth));
		mActionBarView = (ActionBarView) findViewById(R.id.action_bar);
		mContentRoot = (FrameLayout) findViewById(android.R.id.content);

		setupActionBar();
		}

		/**
		* Sets up the action bar by filling the appropriate data.
		* Inflate the action bar and attach it to {@code parentView}
		*/
		private void setupActionBar() {
		// Add title and sub title.
		ResourceValue titleValue = res.findResValue(mTitle, false /isFramework/);
		if (titleValue != null && titleValue.getValue() != null) {
		mActionBar.setTitle(titleValue.getValue());
		} else {
		mActionBar.setTitle(mTitle);
		}
		if (mSubTitle != null) {
		mActionBar.setSubtitle(mSubTitle);
		}

		// Add show home as up icon.
		if (mShowHomeAsUp) {
		mActionBar.setDisplayOptions(0xFF, ActionBar.DISPLAY_HOME_AS_UP);
		}
		public ActionBarLayout(@NonNull BridgeContext context, @NonNull SessionParams params,
		@NonNull ViewGroup parentView) {

		// Set the navigation mode.
		mActionBar.setNavigationMode(mNavMode);
		if (mNavMode == ActionBar.NAVIGATION_MODE_TABS) {
		setupTabs(3);
		}
		mBridgeContext = context;

		if (mActionBarView != null) {
		// If the action bar style doesn't specify an icon, set the icon obtained from the session
		// params.
		if (!mActionBarView.hasIcon() && mIcon != null) {
		Drawable iconDrawable = getDrawable(mIcon, false /isFramework/);
		if (iconDrawable != null) {
		mActionBar.setIcon(iconDrawable);
		ResourceValue layoutName = context.getRenderResources()
		.findItemInTheme(LAYOUT_ATTR_NAME, true);
		if (layoutName != null) {
		// We may need to resolve the reference obtained.
		layoutName = context.getRenderResources().findResValue(layoutName.getValue(),
		layoutName.isFramework());
		}
		int layoutId = 0;
		String error = null;
		if (layoutName == null) {
		error = "Unable to find action bar layout (" + LAYOUT_ATTR_NAME
		+ ") in the current theme.";
		} else {
		layoutId = context.getFrameworkResourceValue(layoutName.getResourceType(),
		layoutName.getName(), 0);
		if (layoutId == 0) {
		error = String.format("Unable to resolve attribute \"%s\" of type \"%s\"",
		layoutName.getName(), layoutName.getResourceType());
		}
		}

		// Set action bar to be split, if needed.
		ActionBarContainer splitView = (ActionBarContainer) findViewById(R.id.split_action_bar);
		mActionBarView.setSplitView(splitView);
		mActionBarView.setSplitToolbar(mSplit);

		inflateMenus();
		}
		if (layoutId == 0) {
		throw new RuntimeException(error);
		}
		// Inflate action bar layout.
		View decorContent = LayoutInflater.from(context).inflate(layoutId, parentView, true);

		/**
		* Gets the menus to add to the action bar from the callback, resolves them, inflates them and
		* adds them to the action bar.
		*/
		private void inflateMenus() {
		if (mActionBarView == null) {
		return;
		}
		final MenuInflater inflater = new MenuInflater(mThemedContext);
		for (String name : mCallback.getMenuIdNames()) {
		if (mBridgeContext.getRenderResources().getProjectResource(ResourceType.MENU, name)
		!= null) {
		int id = mBridgeContext.getProjectResourceValue(ResourceType.MENU, name, -1);
		if (id > -1) {
		inflater.inflate(id, mMenuBuilder);
		}
		}
		}
		mActionBarView.setMenu(mMenuBuilder, null /callback/);
		}
		mActionBar = CustomActionBarWrapper.getActionBarWrapper(context, params, decorContent);

		// TODO: Use an adapter, like List View to set up tabs.
		private void setupTabs(int num) {
		for (int i = 1; i <= num; i++) {
		Tab tab = mActionBar.newTab().setText("Tab" + i).setTabListener(new TabListener() {
		@Override
		public void onTabUnselected(Tab t, FragmentTransaction ft) {
		// pass
		}
		@Override
		public void onTabSelected(Tab t, FragmentTransaction ft) {
		// pass
		}
		@Override
		public void onTabReselected(Tab t, FragmentTransaction ft) {
		// pass
		}
		});
		mActionBar.addTab(tab);
		}
		}
		FrameLayout contentRoot = (FrameLayout) parentView.findViewById(android.R.id.content);

		@Nullable
		private Drawable getDrawable(@NonNull String name, boolean isFramework) {
		ResourceValue value = res.findResValue(name, isFramework);
		value = res.resolveResValue(value);
		if (value != null) {
		return ResourceHelper.getDrawable(value, mBridgeContext);
		// If something went wrong and we were not able to initialize the content root,
		// just add a frame layout inside this and return.
		if (contentRoot == null) {
		contentRoot = new FrameLayout(context);
		contentRoot.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
		LayoutParams.MATCH_PARENT));
		parentView.addView(contentRoot);
		mContentRoot = contentRoot;
		} else {
		mContentRoot = contentRoot;
		mActionBar.setupActionBar();
		mActionBar.inflateMenus();
		}
		return null;
		}

		/**
		@@ -229,7 +117,7 @@ public class ActionBarLayout extends LinearLayout {
		* the content frame which shall serve as the new content root.
		*/
		public void createMenuPopup() {
		assert mContentRoot != null && findViewById(android.R.id.content) == mContentRoot
		assert mContentRoot.getId() == android.R.id.content
		: "Action Bar Menus have already been created.";

		if (!isOverflowPopupNeeded()) {
		@@ -237,7 +125,7 @@ public class ActionBarLayout extends LinearLayout {
		}

		// Create a layout to hold the menus and the user's content.
		RelativeLayout layout = new RelativeLayout(mThemedContext);
		RelativeLayout layout = new RelativeLayout(mActionBar.getPopupContext());
		layout.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
		LayoutParams.MATCH_PARENT));
		mContentRoot.addView(layout);
		@@ -259,13 +147,14 @@ public class ActionBarLayout extends LinearLayout {
		@NonNull
		private View createMenuView() {
		DisplayMetrics metrics = mBridgeContext.getMetrics();
		OverflowMenuAdapter adapter = new OverflowMenuAdapter(mMenuBuilder, mThemedContext);
		MenuBuilder menu = mActionBar.getMenuBuilder();
		OverflowMenuAdapter adapter = new OverflowMenuAdapter(menu, mActionBar.getPopupContext());

		LinearLayout layout = new LinearLayout(mThemedContext);
		LinearLayout layout = new LinearLayout(mActionBar.getPopupContext());
		RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
		measureContentWidth(adapter), LayoutParams.WRAP_CONTENT);
		layoutParams.addRule(RelativeLayout.ALIGN_PARENT_END);
		if (mSplit) {
		if (mActionBar.isSplit()) {
		layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
		// TODO: Find correct value instead of hardcoded 10dp.
		layoutParams.bottomMargin = getPixelValue("-10dp", metrics);
		@@ -273,7 +162,7 @@ public class ActionBarLayout extends LinearLayout {
		layoutParams.topMargin = getPixelValue("-10dp", metrics);
		}
		layout.setLayoutParams(layoutParams);
		final TypedArray a = mThemedContext.obtainStyledAttributes(null,
		final TypedArray a = mActionBar.getPopupContext().obtainStyledAttributes(null,
		R.styleable.PopupWindow, R.attr.popupMenuStyle, 0);
		layout.setBackground(a.getDrawable(R.styleable.PopupWindow_popupBackground));
		layout.setDividerDrawable(a.getDrawable(R.attr.actionBarDivider));
		@@ -282,20 +171,25 @@ public class ActionBarLayout extends LinearLayout {
		layout.setDividerPadding(getPixelValue("12dp", metrics));
		layout.setShowDividers(LinearLayout.SHOW_DIVIDER_MIDDLE);

		ListView listView = new ListView(mThemedContext, null, R.attr.dropDownListViewStyle);
		ListView listView = new ListView(mActionBar.getPopupContext(), null,
		R.attr.dropDownListViewStyle);
		listView.setAdapter(adapter);
		layout.addView(listView);
		return layout;
		}

		private boolean isOverflowPopupNeeded() {
		boolean needed = mCallback.isOverflowPopupNeeded();
		boolean needed = mActionBar.isOverflowPopupNeeded();
		if (!needed) {
		return false;
		}
		// Copied from android.widget.ActionMenuPresenter.updateMenuView()
		ArrayList<MenuItemImpl> menus = mMenuBuilder.getNonActionItems();
		if (ActionBarAccessor.getActionMenuPresenter(mActionBarView).isOverflowReserved() &&
		ArrayList<MenuItemImpl> menus = mActionBar.getMenuBuilder().getNonActionItems();
		ActionMenuPresenter presenter = mActionBar.getActionMenuPresenter();
		if (presenter == null) {
		throw new RuntimeException("Failed to create a Presenter for Action Bar Menus.");
		}
		if (presenter.isOverflowReserved() &&
		menus != null) {
		final int count = menus.size();
		if (count == 1) {
		@@ -307,7 +201,7 @@ public class ActionBarLayout extends LinearLayout {
		return needed;
		}

		@Nullable
		@NonNull
		public FrameLayout getContentRoot() {
		return mContentRoot;
		}
		@@ -319,6 +213,7 @@ public class ActionBarLayout extends LinearLayout {
		View itemView = null;
		int itemType = 0;

		Context context = mActionBar.getPopupContext();
		final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
		final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
		final int count = adapter.getCount();
		@@ -330,15 +225,17 @@ public class ActionBarLayout extends LinearLayout {
		}

		if (mMeasureParent == null) {
		mMeasureParent = new FrameLayout(mThemedContext);
		mMeasureParent = new FrameLayout(context);
		}

		itemView = adapter.getView(i, itemView, mMeasureParent);
		itemView.measure(widthMeasureSpec, heightMeasureSpec);

		final int itemWidth = itemView.getMeasuredWidth();
		if (itemWidth >= mPopupMaxWidth) {
		return mPopupMaxWidth;
		int popupMaxWidth = Math.max(mBridgeContext.getMetrics().widthPixels / 2,
		context.getResources().getDimensionPixelSize(R.dimen.config_prefDialogWidth));
		if (itemWidth >= popupMaxWidth) {
		return popupMaxWidth;
		} else if (itemWidth > maxWidth) {
		maxWidth = itemWidth;
		}

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/CustomActionBarWrapper.java

0 → 100644

+344 −0

File added.

Preview size limit exceeded, changes collapsed.