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Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabStrip.java')
-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabStrip.java211
1 files changed, 0 insertions, 211 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabStrip.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabStrip.java
deleted file mode 100644
index 4c41e12c5..000000000
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabStrip.java
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.sufficientlysecure.keychain.ui.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;
-
-/**
- * Copied from http://developer.android.com/samples/SlidingTabsColors/index.html
- */
-class SlidingTabStrip extends LinearLayout {
-
- private static final int DEFAULT_BOTTOM_BORDER_THICKNESS_DIPS = 2;
- private static final byte DEFAULT_BOTTOM_BORDER_COLOR_ALPHA = 0x26;
- private static final int SELECTED_INDICATOR_THICKNESS_DIPS = 8;
- private static final int DEFAULT_SELECTED_INDICATOR_COLOR = 0xFFAA66CC;
-
- private static final int DEFAULT_DIVIDER_THICKNESS_DIPS = 1;
- private static final byte DEFAULT_DIVIDER_COLOR_ALPHA = 0x20;
- private static final float DEFAULT_DIVIDER_HEIGHT = 0.5f;
-
- private final int mBottomBorderThickness;
- private final Paint mBottomBorderPaint;
-
- private final int mSelectedIndicatorThickness;
- private final Paint mSelectedIndicatorPaint;
-
- private final int mDefaultBottomBorderColor;
-
- private final Paint mDividerPaint;
- private final float mDividerHeight;
-
- 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(DEFAULT_SELECTED_INDICATOR_COLOR);
- mDefaultTabColorizer.setDividerColors(setColorAlpha(themeForegroundColor,
- DEFAULT_DIVIDER_COLOR_ALPHA));
-
- mBottomBorderThickness = (int) (DEFAULT_BOTTOM_BORDER_THICKNESS_DIPS * density);
- mBottomBorderPaint = new Paint();
- mBottomBorderPaint.setColor(mDefaultBottomBorderColor);
-
- mSelectedIndicatorThickness = (int) (SELECTED_INDICATOR_THICKNESS_DIPS * density);
- mSelectedIndicatorPaint = new Paint();
-
- mDividerHeight = DEFAULT_DIVIDER_HEIGHT;
- mDividerPaint = new Paint();
- mDividerPaint.setStrokeWidth((int) (DEFAULT_DIVIDER_THICKNESS_DIPS * density));
- }
-
- 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 setDividerColors(int... colors) {
- // Make sure that the custom colorizer is removed
- mCustomTabColorizer = null;
- mDefaultTabColorizer.setDividerColors(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 int dividerHeightPx = (int) (Math.min(Math.max(0f, mDividerHeight), 1f) * height);
- 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);
-
- // Vertical separators between the titles
- int separatorTop = (height - dividerHeightPx) / 2;
- for (int i = 0; i < childCount - 1; i++) {
- View child = getChildAt(i);
- mDividerPaint.setColor(tabColorizer.getDividerColor(i));
- canvas.drawLine(child.getRight(), separatorTop, child.getRight(),
- separatorTop + dividerHeightPx, mDividerPaint);
- }
- }
-
- /**
- * 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;
- private int[] mDividerColors;
-
- @Override
- public final int getIndicatorColor(int position) {
- return mIndicatorColors[position % mIndicatorColors.length];
- }
-
- @Override
- public final int getDividerColor(int position) {
- return mDividerColors[position % mDividerColors.length];
- }
-
- void setIndicatorColors(int... colors) {
- mIndicatorColors = colors;
- }
-
- void setDividerColors(int... colors) {
- mDividerColors = colors;
- }
- }
-} \ No newline at end of file
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