[Android] [PATCH 7/7] Remove SlidingTab* from Google
Jean-Baptiste Kempf
jb at videolan.org
Sat Jun 13 01:18:42 CEST 2015
---
.../src/com/android/widget/SlidingTabLayout.java | 313 ---------------------
.../src/com/android/widget/SlidingTabStrip.java | 141 ----------
2 files changed, 454 deletions(-)
delete mode 100644 vlc-android/src/com/android/widget/SlidingTabLayout.java
delete mode 100644 vlc-android/src/com/android/widget/SlidingTabStrip.java
diff --git a/vlc-android/src/com/android/widget/SlidingTabLayout.java b/vlc-android/src/com/android/widget/SlidingTabLayout.java
deleted file mode 100644
index dbf9e95..0000000
--- a/vlc-android/src/com/android/widget/SlidingTabLayout.java
+++ /dev/null
@@ -1,313 +0,0 @@
-/*
-* Copyright 2014 Google Inc. All rights reserved.
-*
-* 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.android.widget;
-
-import android.content.Context;
-import android.graphics.Color;
-import android.graphics.Typeface;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
-import android.text.TextUtils;
-import android.util.AttributeSet;
-import android.util.SparseArray;
-import android.util.TypedValue;
-import android.view.Gravity;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.HorizontalScrollView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-import org.videolan.vlc.R;
-import org.videolan.vlc.util.Util;
-
-/**
- * To be used with ViewPager to provide a tab indicator component which give constant feedback as to
- * the user's scroll progress.
- * <p>
- * To use the component, simply add it to your view hierarchy. Then in your
- * {@link android.app.Activity} or {@link android.support.v4.app.Fragment} call
- * {@link #setViewPager(ViewPager)} providing it the ViewPager this layout is being used for.
- * <p>
- * The colors can be customized in two ways. The first and simplest is to provide an array of colors
- * via {@link #setSelectedIndicatorColors(int...)}. The
- * alternative is via the {@link TabColorizer} interface which provides you complete control over
- * which color is used for any individual position.
- * <p>
- * The views used as tabs can be customized by calling {@link #setCustomTabView(int, int)},
- * providing the layout ID of your custom layout.
- */
-public class SlidingTabLayout extends HorizontalScrollView {
- /**
- * Allows complete control over the colors drawn in the tab layout. Set with
- * {@link #setCustomTabColorizer(TabColorizer)}.
- */
- public interface TabColorizer {
- /**
- * @return return the color of the indicator used when {@code position} is selected.
- */
- int getIndicatorColor(int position);
- }
-
- public interface OnTabChangedListener {
- public void tabChanged(int position);
- }
-
- private static final int TITLE_OFFSET_DIPS = 24;
- private static final int TAB_VIEW_HORIZONTAL_PADDING_DIPS = 5;
- private static final int TAB_VIEW_VERTICAL_PADDING_DIPS = 10;
- private static final int TAB_VIEW_TEXT_SIZE_SP = 12;
- private int mTitleOffset;
- private int mTabViewLayoutId;
- private int mTabViewTextViewId;
- private boolean mDistributeEvenly;
- private ViewPager mViewPager;
- private OnTabChangedListener tabChangedListener;
- private SparseArray<String> mContentDescriptions = new SparseArray<String>();
- private final SlidingTabStrip mTabStrip;
- public SlidingTabLayout(Context context) {
- this(context, null);
- }
- public SlidingTabLayout(Context context, AttributeSet attrs) {
- this(context, attrs, 0);
- }
- public SlidingTabLayout(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
- // Disable the Scroll Bar
- setHorizontalScrollBarEnabled(false);
- int hpadding = getResources().getDimensionPixelSize(R.dimen.tab_layout_horizontal_padding);
- setPadding(hpadding, 0, hpadding, 0);
- setBackgroundColor(getResources().getColor(Util.getResourceFromAttribute(context, org.videolan.vlc.R.attr.background_actionbar)));
- // Make sure that the Tab Strips fills this View
- setFillViewport(true);
- mTitleOffset = (int) (TITLE_OFFSET_DIPS * getResources().getDisplayMetrics().density);
- mTabStrip = new SlidingTabStrip(context);
- addView(mTabStrip, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
- }
- /**
- * Set the custom {@link TabColorizer} to be used.
- *
- * If you only require simple custmisation then you can use
- * {@link #setSelectedIndicatorColors(int...)} to achieve
- * similar effects.
- */
- public void setCustomTabColorizer(TabColorizer tabColorizer) {
- mTabStrip.setCustomTabColorizer(tabColorizer);
- }
- public void setDistributeEvenly(boolean distributeEvenly) {
- mDistributeEvenly = distributeEvenly;
- }
- /**
- * Sets the colors to be used for indicating the selected tab. These colors are treated as a
- * circular array. Providing one color will mean that all tabs are indicated with the same color.
- */
- public void setSelectedIndicatorColors(int... colors) {
- mTabStrip.setSelectedIndicatorColors(colors);
- }
- /**
- * Set the {@link ViewPager.OnPageChangeListener}. When using {@link SlidingTabLayout} you are
- * required to set any {@link ViewPager.OnPageChangeListener} through this method. This is so
- * that the layout can update it's scroll position correctly.
- *
- * @see ViewPager#setOnPageChangeListener(ViewPager.OnPageChangeListener)
- */
- public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
- mViewPagerPageChangeListener = listener;
- }
- /**
- * Set the custom layout to be inflated for the tab views.
- *
- * @param layoutResId Layout id to be inflated
- * @param textViewId id of the {@link TextView} in the inflated view
- */
- public void setCustomTabView(int layoutResId, int textViewId) {
- mTabViewLayoutId = layoutResId;
- mTabViewTextViewId = textViewId;
- }
- /**
- * Sets the associated view pager. Note that the assumption here is that the pager content
- * (number of tabs and tab titles) does not change after this call has been made.
- */
- public void setViewPager(ViewPager viewPager) {
- mTabStrip.removeAllViews();
- mViewPager = viewPager;
- if (viewPager != null) {
- viewPager.setOnPageChangeListener(new InternalViewPagerListener());
- populateTabStrip();
- }
- }
- /**
- * Create a default view to be used for tabs. This is called if a custom tab view is not set via
- * {@link #setCustomTabView(int, int)}.
- */
- protected TextView createDefaultTabView(Context context) {
- TextView textView = new TextView(context);
- textView.setGravity(Gravity.CENTER);
- textView.setSingleLine();
- textView.setEllipsize(TextUtils.TruncateAt.END);
- textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, TAB_VIEW_TEXT_SIZE_SP);
- textView.setTypeface(Typeface.DEFAULT_BOLD);
- textView.setLayoutParams(new LinearLayout.LayoutParams(
- ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
- textView.setTextColor(Color.WHITE);
- int hpadding = (int) (TAB_VIEW_HORIZONTAL_PADDING_DIPS * getResources().getDisplayMetrics().density);
- int vpadding = (int) (TAB_VIEW_VERTICAL_PADDING_DIPS * getResources().getDisplayMetrics().density);
- textView.setPadding(hpadding, vpadding, hpadding, vpadding);
- return textView;
- }
- private void populateTabStrip() {
- final PagerAdapter adapter = mViewPager.getAdapter();
- final View.OnClickListener tabClickListener = new TabClickListener();
- for (int i = 0; i < adapter.getCount(); i++) {
- View tabView = null;
- TextView tabTitleView = null;
- if (mTabViewLayoutId != 0) {
-// If there is a custom tab view layout id set, try and inflate it
- tabView = LayoutInflater.from(getContext()).inflate(mTabViewLayoutId, mTabStrip,
- false);
- tabTitleView = (TextView) tabView.findViewById(mTabViewTextViewId);
- } else {
- tabView = createDefaultTabView(getContext());
- tabTitleView = (TextView) tabView;
- }
- if (mDistributeEvenly) {
- LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) tabView.getLayoutParams();
- lp.width = 0;
- lp.weight = 1;
- }
- tabTitleView.setText(adapter.getPageTitle(i).toString().toUpperCase());
- tabTitleView.setTypeface(Typeface.DEFAULT_BOLD);
- tabView.setOnClickListener(tabClickListener);
- String desc = mContentDescriptions.get(i, null);
- if (desc != null) {
- tabView.setContentDescription(desc);
- }
- mTabStrip.addView(tabView);
- if (i == mViewPager.getCurrentItem()) {
- tabView.setSelected(true);
- tabTitleView.setTextColor(getResources().getColor(Util.getResourceFromAttribute(getContext(), R.attr.font_actionbar_selected)));
- }
- }
- }
- public void setContentDescription(int i, String desc) {
- mContentDescriptions.put(i, desc);
- }
- @Override
- protected void onAttachedToWindow() {
- super.onAttachedToWindow();
- if (mViewPager != null) {
- scrollToTab(mViewPager.getCurrentItem(), 0);
- }
- }
- private void scrollToTab(int tabIndex, int positionOffset) {
- final int tabStripChildCount = mTabStrip.getChildCount();
- if (tabStripChildCount == 0 || tabIndex < 0 || tabIndex >= tabStripChildCount) {
- return;
- }
- View selectedChild = mTabStrip.getChildAt(tabIndex);
- if (selectedChild != null) {
- int targetScrollX = selectedChild.getLeft() + positionOffset;
- if (tabIndex > 0 || positionOffset > 0) {
-// If we're not at the first child and are mid-scroll, make sure we obey the offset
- targetScrollX -= mTitleOffset;
- }
- scrollTo(targetScrollX, 0);
- }
- }
- private class InternalViewPagerListener implements ViewPager.OnPageChangeListener {
- private int mScrollState;
- @Override
- public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
- int tabStripChildCount = mTabStrip.getChildCount();
- if ((tabStripChildCount == 0) || (position < 0) || (position >= tabStripChildCount)) {
- return;
- }
- mTabStrip.onViewPagerPageChanged(position, positionOffset);
- View selectedTitle = mTabStrip.getChildAt(position);
- int extraOffset = (selectedTitle != null)
- ? (int) (positionOffset * selectedTitle.getWidth())
- : 0;
- scrollToTab(position, extraOffset);
- if (mViewPagerPageChangeListener != null) {
- mViewPagerPageChangeListener.onPageScrolled(position, positionOffset,
- positionOffsetPixels);
- }
- }
- @Override
- public void onPageScrollStateChanged(int state) {
- mScrollState = state;
- if (mViewPagerPageChangeListener != null) {
- mViewPagerPageChangeListener.onPageScrollStateChanged(state);
- }
- }
- @Override
- public void onPageSelected(int position) {
- if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
- mTabStrip.onViewPagerPageChanged(position, 0f);
- scrollToTab(position, 0);
- }
- for (int i = 0; i < mTabStrip.getChildCount(); i++) {
- mTabStrip.getChildAt(i).setSelected(position == i);
- }
- if (mViewPagerPageChangeListener != null) {
- mViewPagerPageChangeListener.onPageSelected(position);
- }
- }
- }
- private class TabClickListener implements View.OnClickListener {
- @Override
- public void onClick(View v) {
- for (int i = 0; i < mTabStrip.getChildCount(); i++) {
- if (v == mTabStrip.getChildAt(i)) {
- mViewPager.setCurrentItem(i);
- return;
- }
- }
- }
- }
-
- public void setOnTabChangedListener(OnTabChangedListener listener) {
- tabChangedListener = listener;
- }
-
- private ViewPager.OnPageChangeListener mViewPagerPageChangeListener = new ViewPager.OnPageChangeListener() {
- @Override
- public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
-
- }
-
- @Override
- public void onPageSelected(int position) {
- if (tabChangedListener != null)
- tabChangedListener.tabChanged(position);
- for (int i = 0; i < mTabStrip.getChildCount(); i++) {
- if (mTabStrip.getChildAt(i) instanceof TextView) {
- int color = (i == position)
- ? getResources().getColor(Util.getResourceFromAttribute(getContext(), R.attr.font_actionbar_selected))
- : getResources().getColor(Util.getResourceFromAttribute(getContext(), R.attr.font_actionbar));
- ((TextView) mTabStrip.getChildAt(i)).setTextColor(color);
- }
- }
- }
-
- @Override
- public void onPageScrollStateChanged(int state) {
-
- }
- };
-
-}
\ No newline at end of file
diff --git a/vlc-android/src/com/android/widget/SlidingTabStrip.java b/vlc-android/src/com/android/widget/SlidingTabStrip.java
deleted file mode 100644
index 28779ef..0000000
--- a/vlc-android/src/com/android/widget/SlidingTabStrip.java
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
-* Copyright 2014 Google Inc. All rights reserved.
-*
-* 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.android.widget;
-
-import android.R;
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.util.AttributeSet;
-import android.util.TypedValue;
-import android.view.View;
-import android.widget.LinearLayout;
-
-import org.videolan.vlc.util.Util;
-
-class SlidingTabStrip extends LinearLayout {
- private static final int DEFAULT_BOTTOM_BORDER_THICKNESS_DIPS = 0;
- private static final byte DEFAULT_BOTTOM_BORDER_COLOR_ALPHA = 0x26;
- private static final int SELECTED_INDICATOR_THICKNESS_DIPS = 3;
- private static final int DEFAULT_SELECTED_INDICATOR_COLOR = 0xFF33B5E5;
- private final int mBottomBorderThickness;
- private final Paint mBottomBorderPaint;
- private final int mSelectedIndicatorThickness;
- private final Paint mSelectedIndicatorPaint;
- private final int mDefaultBottomBorderColor;
- private int mSelectedPosition;
- private float mSelectionOffset;
- private SlidingTabLayout.TabColorizer mCustomTabColorizer;
- private final SimpleTabColorizer mDefaultTabColorizer;
- SlidingTabStrip(Context context) {
- this(context, null);
- }
- SlidingTabStrip(Context context, AttributeSet attrs) {
- super(context, attrs);
- setWillNotDraw(false);
- final float density = getResources().getDisplayMetrics().density;
- TypedValue outValue = new TypedValue();
- context.getTheme().resolveAttribute(R.attr.colorForeground, outValue, true);
- final int themeForegroundColor = outValue.data;
- mDefaultBottomBorderColor = setColorAlpha(themeForegroundColor,
- DEFAULT_BOTTOM_BORDER_COLOR_ALPHA);
- mDefaultTabColorizer = new SimpleTabColorizer();
- mDefaultTabColorizer.setIndicatorColors(getResources().getColor(Util.getResourceFromAttribute(context, org.videolan.vlc.R.attr.font_actionbar_selected)));
-// mDefaultTabColorizer.setIndicatorColors(DEFAULT_SELECTED_INDICATOR_COLOR);
- mBottomBorderThickness = (int) (DEFAULT_BOTTOM_BORDER_THICKNESS_DIPS * density);
- mBottomBorderPaint = new Paint();
- mBottomBorderPaint.setColor(mDefaultBottomBorderColor);
- mSelectedIndicatorThickness = (int) (SELECTED_INDICATOR_THICKNESS_DIPS * density);
- mSelectedIndicatorPaint = new Paint();
- }
- void setCustomTabColorizer(SlidingTabLayout.TabColorizer customTabColorizer) {
- mCustomTabColorizer = customTabColorizer;
- invalidate();
- }
- void setSelectedIndicatorColors(int... colors) {
-// Make sure that the custom colorizer is removed
- mCustomTabColorizer = null;
- mDefaultTabColorizer.setIndicatorColors(colors);
- invalidate();
- }
- void onViewPagerPageChanged(int position, float positionOffset) {
- mSelectedPosition = position;
- mSelectionOffset = positionOffset;
- invalidate();
- }
- @Override
- protected void onDraw(Canvas canvas) {
- final int height = getHeight();
- final int childCount = getChildCount();
- final SlidingTabLayout.TabColorizer tabColorizer = mCustomTabColorizer != null
- ? mCustomTabColorizer
- : mDefaultTabColorizer;
-// Thick colored underline below the current selection
- if (childCount > 0) {
- View selectedTitle = getChildAt(mSelectedPosition);
- int left = selectedTitle.getLeft();
- int right = selectedTitle.getRight();
- int color = tabColorizer.getIndicatorColor(mSelectedPosition);
- if (mSelectionOffset > 0f && mSelectedPosition < (getChildCount() - 1)) {
- int nextColor = tabColorizer.getIndicatorColor(mSelectedPosition + 1);
- if (color != nextColor) {
- color = blendColors(nextColor, color, mSelectionOffset);
- }
-// Draw the selection partway between the tabs
- View nextTitle = getChildAt(mSelectedPosition + 1);
- left = (int) (mSelectionOffset * nextTitle.getLeft() +
- (1.0f - mSelectionOffset) * left);
- right = (int) (mSelectionOffset * nextTitle.getRight() +
- (1.0f - mSelectionOffset) * right);
- }
- mSelectedIndicatorPaint.setColor(color);
- canvas.drawRect(left, height - mSelectedIndicatorThickness, right,
- height, mSelectedIndicatorPaint);
- }
-// Thin underline along the entire bottom edge
- canvas.drawRect(0, height - mBottomBorderThickness, getWidth(), height, mBottomBorderPaint);
- }
- /**
- * Set the alpha value of the {@code color} to be the given {@code alpha} value.
- */
- private static int setColorAlpha(int color, byte alpha) {
- return Color.argb(alpha, Color.red(color), Color.green(color), Color.blue(color));
- }
- /**
- * Blend {@code color1} and {@code color2} using the given ratio.
- *
- * @param ratio of which to blend. 1.0 will return {@code color1}, 0.5 will give an even blend,
- * 0.0 will return {@code color2}.
- */
- private static int blendColors(int color1, int color2, float ratio) {
- final float inverseRation = 1f - ratio;
- float r = (Color.red(color1) * ratio) + (Color.red(color2) * inverseRation);
- float g = (Color.green(color1) * ratio) + (Color.green(color2) * inverseRation);
- float b = (Color.blue(color1) * ratio) + (Color.blue(color2) * inverseRation);
- return Color.rgb((int) r, (int) g, (int) b);
- }
- private static class SimpleTabColorizer implements SlidingTabLayout.TabColorizer {
- private int[] mIndicatorColors;
- @Override
- public final int getIndicatorColor(int position) {
- return mIndicatorColors[position % mIndicatorColors.length];
- }
- void setIndicatorColors(int... colors) {
- mIndicatorColors = colors;
- }
- }
-}
\ No newline at end of file
--
2.4.2
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