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-rw-r--r--actionbarsherlock/src/com/actionbarsherlock/internal/widget/ScrollingTabContainerView.java545
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diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/widget/ScrollingTabContainerView.java b/actionbarsherlock/src/com/actionbarsherlock/internal/widget/ScrollingTabContainerView.java
deleted file mode 100644
index 1a532e06c..000000000
--- a/actionbarsherlock/src/com/actionbarsherlock/internal/widget/ScrollingTabContainerView.java
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@@ -1,545 +0,0 @@
-/*
- * Copyright (C) 2011 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 android.content.Context;
-import android.content.res.Configuration;
-import android.content.res.TypedArray;
-import android.graphics.drawable.Drawable;
-import android.text.TextUtils.TruncateAt;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.ViewParent;
-import android.view.animation.DecelerateInterpolator;
-import android.view.animation.Interpolator;
-import android.widget.BaseAdapter;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.ListView;
-import com.actionbarsherlock.R;
-import com.actionbarsherlock.app.ActionBar;
-import com.actionbarsherlock.internal.nineoldandroids.animation.Animator;
-import com.actionbarsherlock.internal.nineoldandroids.animation.ObjectAnimator;
-import com.actionbarsherlock.internal.nineoldandroids.widget.NineHorizontalScrollView;
-
-/**
- * This widget implements the dynamic action bar tab behavior that can change
- * across different configurations or circumstances.
- */
-public class ScrollingTabContainerView extends NineHorizontalScrollView
- implements IcsAdapterView.OnItemSelectedListener {
- //UNUSED private static final String TAG = "ScrollingTabContainerView";
- Runnable mTabSelector;
- private TabClickListener mTabClickListener;
-
- private IcsLinearLayout mTabLayout;
- private IcsSpinner mTabSpinner;
- private boolean mAllowCollapse;
-
- private LayoutInflater mInflater;
-
- int mMaxTabWidth;
- private int mContentHeight;
- private int mSelectedTabIndex;
-
- protected Animator mVisibilityAnim;
- protected final VisibilityAnimListener mVisAnimListener = new VisibilityAnimListener();
-
- private static final /*Time*/Interpolator sAlphaInterpolator = new DecelerateInterpolator();
-
- private static final int FADE_DURATION = 200;
-
- public ScrollingTabContainerView(Context context) {
- super(context);
- setHorizontalScrollBarEnabled(false);
-
- TypedArray a = getContext().obtainStyledAttributes(null, R.styleable.SherlockActionBar,
- R.attr.actionBarStyle, 0);
- setContentHeight(a.getLayoutDimension(R.styleable.SherlockActionBar_height, 0));
- a.recycle();
-
- mInflater = LayoutInflater.from(context);
-
- mTabLayout = createTabLayout();
- addView(mTabLayout, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
- ViewGroup.LayoutParams.MATCH_PARENT));
- }
-
- @Override
- public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
- final boolean lockedExpanded = widthMode == MeasureSpec.EXACTLY;
- setFillViewport(lockedExpanded);
-
- final int childCount = mTabLayout.getChildCount();
- if (childCount > 1 &&
- (widthMode == MeasureSpec.EXACTLY || widthMode == MeasureSpec.AT_MOST)) {
- if (childCount > 2) {
- mMaxTabWidth = (int) (MeasureSpec.getSize(widthMeasureSpec) * 0.4f);
- } else {
- mMaxTabWidth = MeasureSpec.getSize(widthMeasureSpec) / 2;
- }
- } else {
- mMaxTabWidth = -1;
- }
-
- heightMeasureSpec = MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.EXACTLY);
-
- final boolean canCollapse = !lockedExpanded && mAllowCollapse;
-
- if (canCollapse) {
- // See if we should expand
- mTabLayout.measure(MeasureSpec.UNSPECIFIED, heightMeasureSpec);
- if (mTabLayout.getMeasuredWidth() > MeasureSpec.getSize(widthMeasureSpec)) {
- performCollapse();
- } else {
- performExpand();
- }
- } else {
- performExpand();
- }
-
- final int oldWidth = getMeasuredWidth();
- super.onMeasure(widthMeasureSpec, heightMeasureSpec);
- final int newWidth = getMeasuredWidth();
-
- if (lockedExpanded && oldWidth != newWidth) {
- // Recenter the tab display if we're at a new (scrollable) size.
- setTabSelected(mSelectedTabIndex);
- }
- }
-
- /**
- * Indicates whether this view is collapsed into a dropdown menu instead
- * of traditional tabs.
- * @return true if showing as a spinner
- */
- private boolean isCollapsed() {
- return mTabSpinner != null && mTabSpinner.getParent() == this;
- }
-
- public void setAllowCollapse(boolean allowCollapse) {
- mAllowCollapse = allowCollapse;
- }
-
- private void performCollapse() {
- if (isCollapsed()) return;
-
- if (mTabSpinner == null) {
- mTabSpinner = createSpinner();
- }
- removeView(mTabLayout);
- addView(mTabSpinner, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
- ViewGroup.LayoutParams.MATCH_PARENT));
- if (mTabSpinner.getAdapter() == null) {
- mTabSpinner.setAdapter(new TabAdapter());
- }
- if (mTabSelector != null) {
- removeCallbacks(mTabSelector);
- mTabSelector = null;
- }
- mTabSpinner.setSelection(mSelectedTabIndex);
- }
-
- private boolean performExpand() {
- if (!isCollapsed()) return false;
-
- removeView(mTabSpinner);
- addView(mTabLayout, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
- ViewGroup.LayoutParams.MATCH_PARENT));
- setTabSelected(mTabSpinner.getSelectedItemPosition());
- return false;
- }
-
- public void setTabSelected(int position) {
- mSelectedTabIndex = position;
- final int tabCount = mTabLayout.getChildCount();
- for (int i = 0; i < tabCount; i++) {
- final View child = mTabLayout.getChildAt(i);
- final boolean isSelected = i == position;
- child.setSelected(isSelected);
- if (isSelected) {
- animateToTab(position);
- }
- }
- }
-
- public void setContentHeight(int contentHeight) {
- mContentHeight = contentHeight;
- requestLayout();
- }
-
- private IcsLinearLayout createTabLayout() {
- final IcsLinearLayout tabLayout = (IcsLinearLayout) LayoutInflater.from(getContext())
- .inflate(R.layout.abs__action_bar_tab_bar_view, null);
- tabLayout.setLayoutParams(new LinearLayout.LayoutParams(
- LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.MATCH_PARENT));
- return tabLayout;
- }
-
- private IcsSpinner createSpinner() {
- final IcsSpinner spinner = new IcsSpinner(getContext(), null,
- R.attr.actionDropDownStyle);
- spinner.setLayoutParams(new LinearLayout.LayoutParams(
- LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.MATCH_PARENT));
- spinner.setOnItemSelectedListener(this);
- return spinner;
- }
-
- @Override
- protected void onConfigurationChanged(Configuration newConfig) {
- super.onConfigurationChanged(newConfig);
-
- // Action bar can change size on configuration changes.
- // Reread the desired height from the theme-specified style.
- TypedArray a = getContext().obtainStyledAttributes(null, R.styleable.SherlockActionBar,
- R.attr.actionBarStyle, 0);
- setContentHeight(a.getLayoutDimension(R.styleable.SherlockActionBar_height, 0));
- a.recycle();
- }
-
- public void animateToVisibility(int visibility) {
- if (mVisibilityAnim != null) {
- mVisibilityAnim.cancel();
- }
- if (visibility == VISIBLE) {
- if (getVisibility() != VISIBLE) {
- setAlpha(0);
- }
- ObjectAnimator anim = ObjectAnimator.ofFloat(this, "alpha", 1);
- anim.setDuration(FADE_DURATION);
- anim.setInterpolator(sAlphaInterpolator);
-
- anim.addListener(mVisAnimListener.withFinalVisibility(visibility));
- anim.start();
- } else {
- ObjectAnimator anim = ObjectAnimator.ofFloat(this, "alpha", 0);
- anim.setDuration(FADE_DURATION);
- anim.setInterpolator(sAlphaInterpolator);
-
- anim.addListener(mVisAnimListener.withFinalVisibility(visibility));
- anim.start();
- }
- }
-
- public void animateToTab(final int position) {
- final View tabView = mTabLayout.getChildAt(position);
- if (mTabSelector != null) {
- removeCallbacks(mTabSelector);
- }
- mTabSelector = new Runnable() {
- public void run() {
- final int scrollPos = tabView.getLeft() - (getWidth() - tabView.getWidth()) / 2;
- smoothScrollTo(scrollPos, 0);
- mTabSelector = null;
- }
- };
- post(mTabSelector);
- }
-
- @Override
- public void onAttachedToWindow() {
- super.onAttachedToWindow();
- if (mTabSelector != null) {
- // Re-post the selector we saved
- post(mTabSelector);
- }
- }
-
- @Override
- public void onDetachedFromWindow() {
- super.onDetachedFromWindow();
- if (mTabSelector != null) {
- removeCallbacks(mTabSelector);
- }
- }
-
- private TabView createTabView(ActionBar.Tab tab, boolean forAdapter) {
- //Workaround for not being able to pass a defStyle on pre-3.0
- final TabView tabView = (TabView)mInflater.inflate(R.layout.abs__action_bar_tab, null);
- tabView.init(this, tab, forAdapter);
-
- if (forAdapter) {
- tabView.setBackgroundDrawable(null);
- tabView.setLayoutParams(new ListView.LayoutParams(ListView.LayoutParams.MATCH_PARENT,
- mContentHeight));
- } else {
- tabView.setFocusable(true);
-
- if (mTabClickListener == null) {
- mTabClickListener = new TabClickListener();
- }
- tabView.setOnClickListener(mTabClickListener);
- }
- return tabView;
- }
-
- public void addTab(ActionBar.Tab tab, boolean setSelected) {
- TabView tabView = createTabView(tab, false);
- mTabLayout.addView(tabView, new IcsLinearLayout.LayoutParams(0,
- LayoutParams.MATCH_PARENT, 1));
- if (mTabSpinner != null) {
- ((TabAdapter) mTabSpinner.getAdapter()).notifyDataSetChanged();
- }
- if (setSelected) {
- tabView.setSelected(true);
- }
- if (mAllowCollapse) {
- requestLayout();
- }
- }
-
- public void addTab(ActionBar.Tab tab, int position, boolean setSelected) {
- final TabView tabView = createTabView(tab, false);
- mTabLayout.addView(tabView, position, new IcsLinearLayout.LayoutParams(
- 0, LayoutParams.MATCH_PARENT, 1));
- if (mTabSpinner != null) {
- ((TabAdapter) mTabSpinner.getAdapter()).notifyDataSetChanged();
- }
- if (setSelected) {
- tabView.setSelected(true);
- }
- if (mAllowCollapse) {
- requestLayout();
- }
- }
-
- public void updateTab(int position) {
- ((TabView) mTabLayout.getChildAt(position)).update();
- if (mTabSpinner != null) {
- ((TabAdapter) mTabSpinner.getAdapter()).notifyDataSetChanged();
- }
- if (mAllowCollapse) {
- requestLayout();
- }
- }
-
- public void removeTabAt(int position) {
- mTabLayout.removeViewAt(position);
- if (mTabSpinner != null) {
- ((TabAdapter) mTabSpinner.getAdapter()).notifyDataSetChanged();
- }
- if (mAllowCollapse) {
- requestLayout();
- }
- }
-
- public void removeAllTabs() {
- mTabLayout.removeAllViews();
- if (mTabSpinner != null) {
- ((TabAdapter) mTabSpinner.getAdapter()).notifyDataSetChanged();
- }
- if (mAllowCollapse) {
- requestLayout();
- }
- }
-
- @Override
- public void onItemSelected(IcsAdapterView<?> parent, View view, int position, long id) {
- TabView tabView = (TabView) view;
- tabView.getTab().select();
- }
-
- @Override
- public void onNothingSelected(IcsAdapterView<?> parent) {
- }
-
- public static class TabView extends LinearLayout {
- private ScrollingTabContainerView mParent;
- private ActionBar.Tab mTab;
- private CapitalizingTextView mTextView;
- private ImageView mIconView;
- private View mCustomView;
-
- public TabView(Context context, AttributeSet attrs) {
- //TODO super(context, null, R.attr.actionBarTabStyle);
- super(context, attrs);
- }
-
- public void init(ScrollingTabContainerView parent, ActionBar.Tab tab, boolean forList) {
- mParent = parent;
- mTab = tab;
-
- if (forList) {
- setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
- }
-
- update();
- }
-
- public void bindTab(ActionBar.Tab tab) {
- mTab = tab;
- update();
- }
-
- @Override
- public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-
- // Re-measure if we went beyond our maximum size.
- if (mParent.mMaxTabWidth > 0 && getMeasuredWidth() > mParent.mMaxTabWidth) {
- super.onMeasure(MeasureSpec.makeMeasureSpec(mParent.mMaxTabWidth, MeasureSpec.EXACTLY),
- heightMeasureSpec);
- }
- }
-
- public void update() {
- final ActionBar.Tab tab = mTab;
- final View custom = tab.getCustomView();
- if (custom != null) {
- final ViewParent customParent = custom.getParent();
- if (customParent != this) {
- if (customParent != null) ((ViewGroup) customParent).removeView(custom);
- addView(custom);
- }
- mCustomView = custom;
- if (mTextView != null) mTextView.setVisibility(GONE);
- if (mIconView != null) {
- mIconView.setVisibility(GONE);
- mIconView.setImageDrawable(null);
- }
- } else {
- if (mCustomView != null) {
- removeView(mCustomView);
- mCustomView = null;
- }
-
- final Drawable icon = tab.getIcon();
- final CharSequence text = tab.getText();
-
- if (icon != null) {
- if (mIconView == null) {
- ImageView iconView = new ImageView(getContext());
- LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT,
- LayoutParams.WRAP_CONTENT);
- lp.gravity = Gravity.CENTER_VERTICAL;
- iconView.setLayoutParams(lp);
- addView(iconView, 0);
- mIconView = iconView;
- }
- mIconView.setImageDrawable(icon);
- mIconView.setVisibility(VISIBLE);
- } else if (mIconView != null) {
- mIconView.setVisibility(GONE);
- mIconView.setImageDrawable(null);
- }
-
- if (text != null) {
- if (mTextView == null) {
- CapitalizingTextView textView = new CapitalizingTextView(getContext(), null,
- R.attr.actionBarTabTextStyle);
- textView.setEllipsize(TruncateAt.END);
- LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT,
- LayoutParams.WRAP_CONTENT);
- lp.gravity = Gravity.CENTER_VERTICAL;
- textView.setLayoutParams(lp);
- addView(textView);
- mTextView = textView;
- }
- mTextView.setTextCompat(text);
- mTextView.setVisibility(VISIBLE);
- } else if (mTextView != null) {
- mTextView.setVisibility(GONE);
- mTextView.setText(null);
- }
-
- if (mIconView != null) {
- mIconView.setContentDescription(tab.getContentDescription());
- }
- }
- }
-
- public ActionBar.Tab getTab() {
- return mTab;
- }
- }
-
- private class TabAdapter extends BaseAdapter {
- @Override
- public int getCount() {
- return mTabLayout.getChildCount();
- }
-
- @Override
- public Object getItem(int position) {
- return ((TabView) mTabLayout.getChildAt(position)).getTab();
- }
-
- @Override
- public long getItemId(int position) {
- return position;
- }
-
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- if (convertView == null) {
- convertView = createTabView((ActionBar.Tab) getItem(position), true);
- } else {
- ((TabView) convertView).bindTab((ActionBar.Tab) getItem(position));
- }
- return convertView;
- }
- }
-
- private class TabClickListener implements OnClickListener {
- public void onClick(View view) {
- TabView tabView = (TabView) view;
- tabView.getTab().select();
- final int tabCount = mTabLayout.getChildCount();
- for (int i = 0; i < tabCount; i++) {
- final View child = mTabLayout.getChildAt(i);
- child.setSelected(child == view);
- }
- }
- }
-
- protected class VisibilityAnimListener implements Animator.AnimatorListener {
- private boolean mCanceled = false;
- private int mFinalVisibility;
-
- public VisibilityAnimListener withFinalVisibility(int visibility) {
- mFinalVisibility = visibility;
- return this;
- }
-
- @Override
- public void onAnimationStart(Animator animation) {
- setVisibility(VISIBLE);
- mVisibilityAnim = animation;
- mCanceled = false;
- }
-
- @Override
- public void onAnimationEnd(Animator animation) {
- if (mCanceled) return;
-
- mVisibilityAnim = null;
- setVisibility(mFinalVisibility);
- }
-
- @Override
- public void onAnimationCancel(Animator animation) {
- mCanceled = true;
- }
-
- @Override
- public void onAnimationRepeat(Animator animation) {
- }
- }
-}
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