The Tor Browser / file comparison
comparison: mobile/android/base/toolbar/TabCounter.java
mobile/android/base/toolbar/TabCounter.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:b7f3e210d4c3 |
|---|---|
| 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 package org.mozilla.gecko.toolbar; | |
| 7 | |
| 8 import org.mozilla.gecko.animation.Rotate3DAnimation; | |
| 9 import org.mozilla.gecko.R; | |
| 10 import org.mozilla.gecko.widget.ThemedTextSwitcher; | |
| 11 | |
| 12 import android.content.Context; | |
| 13 import android.os.Build; | |
| 14 import android.view.accessibility.AccessibilityNodeInfo; | |
| 15 import android.view.animation.Animation; | |
| 16 import android.view.animation.AnimationSet; | |
| 17 import android.view.animation.AlphaAnimation; | |
| 18 import android.view.LayoutInflater; | |
| 19 import android.view.View; | |
| 20 import android.util.AttributeSet; | |
| 21 import android.widget.ViewSwitcher; | |
| 22 | |
| 23 public class TabCounter extends ThemedTextSwitcher | |
| 24 implements ViewSwitcher.ViewFactory { | |
| 25 | |
| 26 private static final float CENTER_X = 0.5f; | |
| 27 private static final float CENTER_Y = 1.25f; | |
| 28 private static final int DURATION = 500; | |
| 29 private static final float Z_DISTANCE = 200; | |
| 30 | |
| 31 private final AnimationSet mFlipInForward; | |
| 32 private final AnimationSet mFlipInBackward; | |
| 33 private final AnimationSet mFlipOutForward; | |
| 34 private final AnimationSet mFlipOutBackward; | |
| 35 private final LayoutInflater mInflater; | |
| 36 | |
| 37 private int mCount = 0; | |
| 38 | |
| 39 private enum FadeMode { | |
| 40 FADE_IN, | |
| 41 FADE_OUT | |
| 42 } | |
| 43 | |
| 44 public TabCounter(Context context, AttributeSet attrs) { | |
| 45 super(context, attrs); | |
| 46 mInflater = LayoutInflater.from(context); | |
| 47 | |
| 48 mFlipInForward = createAnimation(-90, 0, FadeMode.FADE_IN, -1 * Z_DISTANCE, false); | |
| 49 mFlipInBackward = createAnimation(90, 0, FadeMode.FADE_IN, Z_DISTANCE, false); | |
| 50 mFlipOutForward = createAnimation(0, -90, FadeMode.FADE_OUT, -1 * Z_DISTANCE, true); | |
| 51 mFlipOutBackward = createAnimation(0, 90, FadeMode.FADE_OUT, Z_DISTANCE, true); | |
| 52 | |
| 53 removeAllViews(); | |
| 54 setFactory(this); | |
| 55 | |
| 56 if (Build.VERSION.SDK_INT >= 16) { | |
| 57 // This adds the TextSwitcher to the a11y node tree, where we in turn | |
| 58 // could make it return an empty info node. If we don't do this the | |
| 59 // TextSwitcher's child TextViews get picked up, and we don't want | |
| 60 // that since the tabs ImageButton is already properly labeled for | |
| 61 // accessibility. | |
| 62 setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); | |
| 63 setAccessibilityDelegate(new View.AccessibilityDelegate() { | |
| 64 @Override | |
| 65 public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {} | |
| 66 }); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 void setCountWithAnimation(int count) { | |
| 71 // Don't animate from initial state | |
| 72 if (mCount == 0) { | |
| 73 setCount(count); | |
| 74 return; | |
| 75 } | |
| 76 | |
| 77 if (mCount == count) { | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 if (count < mCount) { | |
| 82 setInAnimation(mFlipInBackward); | |
| 83 setOutAnimation(mFlipOutForward); | |
| 84 } else { | |
| 85 setInAnimation(mFlipInForward); | |
| 86 setOutAnimation(mFlipOutBackward); | |
| 87 } | |
| 88 | |
| 89 // Eliminate screen artifact. Set explicit In/Out animation pair order. This will always | |
| 90 // animate pair in In->Out child order, prevent alternating use of the Out->In case. | |
| 91 setDisplayedChild(0); | |
| 92 | |
| 93 // Set In value, trigger animation to Out value | |
| 94 setCurrentText(String.valueOf(mCount)); | |
| 95 setText(String.valueOf(count)); | |
| 96 | |
| 97 mCount = count; | |
| 98 } | |
| 99 | |
| 100 void setCount(int count) { | |
| 101 setCurrentText(String.valueOf(count)); | |
| 102 mCount = count; | |
| 103 } | |
| 104 | |
| 105 // Alpha animations in editing mode cause action bar corruption on the | |
| 106 // Nexus 7 (bug 961749). As a workaround, skip these animations in editing | |
| 107 // mode. | |
| 108 void onEnterEditingMode() { | |
| 109 final int childCount = getChildCount(); | |
| 110 for (int i = 0; i < childCount; i++) { | |
| 111 getChildAt(i).clearAnimation(); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 private AnimationSet createAnimation(float startAngle, float endAngle, | |
| 116 FadeMode fadeMode, | |
| 117 float zEnd, boolean reverse) { | |
| 118 final Context context = getContext(); | |
| 119 AnimationSet set = new AnimationSet(context, null); | |
| 120 set.addAnimation(new Rotate3DAnimation(startAngle, endAngle, CENTER_X, CENTER_Y, zEnd, reverse)); | |
| 121 set.addAnimation(fadeMode == FadeMode.FADE_IN ? new AlphaAnimation(0.0f, 1.0f) : | |
| 122 new AlphaAnimation(1.0f, 0.0f)); | |
| 123 set.setDuration(DURATION); | |
| 124 set.setInterpolator(context, android.R.anim.accelerate_interpolator); | |
| 125 return set; | |
| 126 } | |
| 127 | |
| 128 @Override | |
| 129 public View makeView() { | |
| 130 return mInflater.inflate(R.layout.tabs_counter, null); | |
| 131 } | |
| 132 | |
| 133 } |
