The Tor Browser / file comparison
comparison: mobile/android/base/toolbar/ShapedButton.java
mobile/android/base/toolbar/ShapedButton.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:119e6fa2349b |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.toolbar; | |
| 6 | |
| 7 import org.mozilla.gecko.GeckoApplication; | |
| 8 import org.mozilla.gecko.LightweightTheme; | |
| 9 import org.mozilla.gecko.LightweightThemeDrawable; | |
| 10 import org.mozilla.gecko.R; | |
| 11 import org.mozilla.gecko.widget.ThemedImageButton; | |
| 12 | |
| 13 import android.content.Context; | |
| 14 import android.content.res.TypedArray; | |
| 15 import android.graphics.Canvas; | |
| 16 import android.graphics.Path; | |
| 17 import android.graphics.PorterDuff.Mode; | |
| 18 import android.graphics.drawable.Drawable; | |
| 19 import android.graphics.drawable.StateListDrawable; | |
| 20 import android.util.AttributeSet; | |
| 21 | |
| 22 public class ShapedButton extends ThemedImageButton | |
| 23 implements CanvasDelegate.DrawManager { | |
| 24 protected final LightweightTheme mTheme; | |
| 25 | |
| 26 private final Path mPath; | |
| 27 private final CurveTowards mSide; | |
| 28 | |
| 29 protected final CanvasDelegate mCanvasDelegate; | |
| 30 | |
| 31 private enum CurveTowards { NONE, LEFT, RIGHT }; | |
| 32 | |
| 33 public ShapedButton(Context context, AttributeSet attrs) { | |
| 34 super(context, attrs); | |
| 35 mTheme = ((GeckoApplication) context.getApplicationContext()).getLightweightTheme(); | |
| 36 | |
| 37 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BrowserToolbarCurve); | |
| 38 int curveTowards = a.getInt(R.styleable.BrowserToolbarCurve_curveTowards, 0x00); | |
| 39 a.recycle(); | |
| 40 | |
| 41 if (curveTowards == 0x00) | |
| 42 mSide = CurveTowards.NONE; | |
| 43 else if (curveTowards == 0x01) | |
| 44 mSide = CurveTowards.LEFT; | |
| 45 else | |
| 46 mSide = CurveTowards.RIGHT; | |
| 47 | |
| 48 // Path is clipped. | |
| 49 mPath = new Path(); | |
| 50 mCanvasDelegate = new CanvasDelegate(this, Mode.DST_IN); | |
| 51 | |
| 52 setWillNotDraw(false); | |
| 53 } | |
| 54 | |
| 55 @Override | |
| 56 public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | |
| 57 super.onMeasure(widthMeasureSpec, heightMeasureSpec); | |
| 58 | |
| 59 if (mSide == CurveTowards.NONE) | |
| 60 return; | |
| 61 | |
| 62 final int width = getMeasuredWidth(); | |
| 63 final int height = getMeasuredHeight(); | |
| 64 final int curve = (int) (height * 1.125f); | |
| 65 | |
| 66 mPath.reset(); | |
| 67 | |
| 68 if (mSide == CurveTowards.RIGHT) { | |
| 69 mPath.moveTo(0, 0); | |
| 70 mPath.cubicTo(curve * 0.75f, 0, | |
| 71 curve * 0.25f, height, | |
| 72 curve, height); | |
| 73 mPath.lineTo(width, height); | |
| 74 mPath.lineTo(width, 0); | |
| 75 mPath.lineTo(0, 0); | |
| 76 } else if (mSide == CurveTowards.LEFT) { | |
| 77 mPath.moveTo(width, 0); | |
| 78 mPath.cubicTo((width - (curve * 0.75f)), 0, | |
| 79 (width - (curve * 0.25f)), height, | |
| 80 (width - curve), height); | |
| 81 mPath.lineTo(0, height); | |
| 82 mPath.lineTo(0, 0); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 @Override | |
| 87 public void draw(Canvas canvas) { | |
| 88 if (mCanvasDelegate != null && mSide != CurveTowards.NONE) | |
| 89 mCanvasDelegate.draw(canvas, mPath, getWidth(), getHeight()); | |
| 90 else | |
| 91 defaultDraw(canvas); | |
| 92 } | |
| 93 | |
| 94 @Override | |
| 95 public void defaultDraw(Canvas canvas) { | |
| 96 super.draw(canvas); | |
| 97 } | |
| 98 | |
| 99 // The drawable is constructed as per @drawable/shaped_button. | |
| 100 @Override | |
| 101 public void onLightweightThemeChanged() { | |
| 102 final int background = getResources().getColor(R.color.background_tabs); | |
| 103 final LightweightThemeDrawable lightWeight = mTheme.getColorDrawable(this, background); | |
| 104 | |
| 105 if (lightWeight == null) | |
| 106 return; | |
| 107 | |
| 108 lightWeight.setAlpha(34, 34); | |
| 109 | |
| 110 final StateListDrawable stateList = new StateListDrawable(); | |
| 111 stateList.addState(PRESSED_ENABLED_STATE_SET, getColorDrawable(R.color.highlight_shaped)); | |
| 112 stateList.addState(FOCUSED_STATE_SET, getColorDrawable(R.color.highlight_shaped_focused)); | |
| 113 stateList.addState(PRIVATE_STATE_SET, getColorDrawable(R.color.background_tabs)); | |
| 114 stateList.addState(EMPTY_STATE_SET, lightWeight); | |
| 115 | |
| 116 setBackgroundDrawable(stateList); | |
| 117 } | |
| 118 | |
| 119 @Override | |
| 120 public void onLightweightThemeReset() { | |
| 121 setBackgroundResource(R.drawable.shaped_button); | |
| 122 } | |
| 123 | |
| 124 @Override | |
| 125 public void setBackgroundDrawable(Drawable drawable) { | |
| 126 if (getBackground() == null || drawable == null) { | |
| 127 super.setBackgroundDrawable(drawable); | |
| 128 return; | |
| 129 } | |
| 130 | |
| 131 int[] padding = new int[] { getPaddingLeft(), | |
| 132 getPaddingTop(), | |
| 133 getPaddingRight(), | |
| 134 getPaddingBottom() | |
| 135 }; | |
| 136 drawable.setLevel(getBackground().getLevel()); | |
| 137 super.setBackgroundDrawable(drawable); | |
| 138 | |
| 139 setPadding(padding[0], padding[1], padding[2], padding[3]); | |
| 140 } | |
| 141 | |
| 142 @Override | |
| 143 public void setBackgroundResource(int resId) { | |
| 144 setBackgroundDrawable(getResources().getDrawable(resId)); | |
| 145 } | |
| 146 } |
