mobile/android/base/toolbar/ShapedButton.java@fc2d59ddac77 (annotated)
mobile/android/base/toolbar/ShapedButton.java
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | package org.mozilla.gecko.toolbar; |
| michael@0 | 6 | |
| michael@0 | 7 | import org.mozilla.gecko.GeckoApplication; |
| michael@0 | 8 | import org.mozilla.gecko.LightweightTheme; |
| michael@0 | 9 | import org.mozilla.gecko.LightweightThemeDrawable; |
| michael@0 | 10 | import org.mozilla.gecko.R; |
| michael@0 | 11 | import org.mozilla.gecko.widget.ThemedImageButton; |
| michael@0 | 12 | |
| michael@0 | 13 | import android.content.Context; |
| michael@0 | 14 | import android.content.res.TypedArray; |
| michael@0 | 15 | import android.graphics.Canvas; |
| michael@0 | 16 | import android.graphics.Path; |
| michael@0 | 17 | import android.graphics.PorterDuff.Mode; |
| michael@0 | 18 | import android.graphics.drawable.Drawable; |
| michael@0 | 19 | import android.graphics.drawable.StateListDrawable; |
| michael@0 | 20 | import android.util.AttributeSet; |
| michael@0 | 21 | |
| michael@0 | 22 | public class ShapedButton extends ThemedImageButton |
| michael@0 | 23 | implements CanvasDelegate.DrawManager { |
| michael@0 | 24 | protected final LightweightTheme mTheme; |
| michael@0 | 25 | |
| michael@0 | 26 | private final Path mPath; |
| michael@0 | 27 | private final CurveTowards mSide; |
| michael@0 | 28 | |
| michael@0 | 29 | protected final CanvasDelegate mCanvasDelegate; |
| michael@0 | 30 | |
| michael@0 | 31 | private enum CurveTowards { NONE, LEFT, RIGHT }; |
| michael@0 | 32 | |
| michael@0 | 33 | public ShapedButton(Context context, AttributeSet attrs) { |
| michael@0 | 34 | super(context, attrs); |
| michael@0 | 35 | mTheme = ((GeckoApplication) context.getApplicationContext()).getLightweightTheme(); |
| michael@0 | 36 | |
| michael@0 | 37 | TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BrowserToolbarCurve); |
| michael@0 | 38 | int curveTowards = a.getInt(R.styleable.BrowserToolbarCurve_curveTowards, 0x00); |
| michael@0 | 39 | a.recycle(); |
| michael@0 | 40 | |
| michael@0 | 41 | if (curveTowards == 0x00) |
| michael@0 | 42 | mSide = CurveTowards.NONE; |
| michael@0 | 43 | else if (curveTowards == 0x01) |
| michael@0 | 44 | mSide = CurveTowards.LEFT; |
| michael@0 | 45 | else |
| michael@0 | 46 | mSide = CurveTowards.RIGHT; |
| michael@0 | 47 | |
| michael@0 | 48 | // Path is clipped. |
| michael@0 | 49 | mPath = new Path(); |
| michael@0 | 50 | mCanvasDelegate = new CanvasDelegate(this, Mode.DST_IN); |
| michael@0 | 51 | |
| michael@0 | 52 | setWillNotDraw(false); |
| michael@0 | 53 | } |
| michael@0 | 54 | |
| michael@0 | 55 | @Override |
| michael@0 | 56 | public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| michael@0 | 57 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| michael@0 | 58 | |
| michael@0 | 59 | if (mSide == CurveTowards.NONE) |
| michael@0 | 60 | return; |
| michael@0 | 61 | |
| michael@0 | 62 | final int width = getMeasuredWidth(); |
| michael@0 | 63 | final int height = getMeasuredHeight(); |
| michael@0 | 64 | final int curve = (int) (height * 1.125f); |
| michael@0 | 65 | |
| michael@0 | 66 | mPath.reset(); |
| michael@0 | 67 | |
| michael@0 | 68 | if (mSide == CurveTowards.RIGHT) { |
| michael@0 | 69 | mPath.moveTo(0, 0); |
| michael@0 | 70 | mPath.cubicTo(curve * 0.75f, 0, |
| michael@0 | 71 | curve * 0.25f, height, |
| michael@0 | 72 | curve, height); |
| michael@0 | 73 | mPath.lineTo(width, height); |
| michael@0 | 74 | mPath.lineTo(width, 0); |
| michael@0 | 75 | mPath.lineTo(0, 0); |
| michael@0 | 76 | } else if (mSide == CurveTowards.LEFT) { |
| michael@0 | 77 | mPath.moveTo(width, 0); |
| michael@0 | 78 | mPath.cubicTo((width - (curve * 0.75f)), 0, |
| michael@0 | 79 | (width - (curve * 0.25f)), height, |
| michael@0 | 80 | (width - curve), height); |
| michael@0 | 81 | mPath.lineTo(0, height); |
| michael@0 | 82 | mPath.lineTo(0, 0); |
| michael@0 | 83 | } |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | @Override |
| michael@0 | 87 | public void draw(Canvas canvas) { |
| michael@0 | 88 | if (mCanvasDelegate != null && mSide != CurveTowards.NONE) |
| michael@0 | 89 | mCanvasDelegate.draw(canvas, mPath, getWidth(), getHeight()); |
| michael@0 | 90 | else |
| michael@0 | 91 | defaultDraw(canvas); |
| michael@0 | 92 | } |
| michael@0 | 93 | |
| michael@0 | 94 | @Override |
| michael@0 | 95 | public void defaultDraw(Canvas canvas) { |
| michael@0 | 96 | super.draw(canvas); |
| michael@0 | 97 | } |
| michael@0 | 98 | |
| michael@0 | 99 | // The drawable is constructed as per @drawable/shaped_button. |
| michael@0 | 100 | @Override |
| michael@0 | 101 | public void onLightweightThemeChanged() { |
| michael@0 | 102 | final int background = getResources().getColor(R.color.background_tabs); |
| michael@0 | 103 | final LightweightThemeDrawable lightWeight = mTheme.getColorDrawable(this, background); |
| michael@0 | 104 | |
| michael@0 | 105 | if (lightWeight == null) |
| michael@0 | 106 | return; |
| michael@0 | 107 | |
| michael@0 | 108 | lightWeight.setAlpha(34, 34); |
| michael@0 | 109 | |
| michael@0 | 110 | final StateListDrawable stateList = new StateListDrawable(); |
| michael@0 | 111 | stateList.addState(PRESSED_ENABLED_STATE_SET, getColorDrawable(R.color.highlight_shaped)); |
| michael@0 | 112 | stateList.addState(FOCUSED_STATE_SET, getColorDrawable(R.color.highlight_shaped_focused)); |
| michael@0 | 113 | stateList.addState(PRIVATE_STATE_SET, getColorDrawable(R.color.background_tabs)); |
| michael@0 | 114 | stateList.addState(EMPTY_STATE_SET, lightWeight); |
| michael@0 | 115 | |
| michael@0 | 116 | setBackgroundDrawable(stateList); |
| michael@0 | 117 | } |
| michael@0 | 118 | |
| michael@0 | 119 | @Override |
| michael@0 | 120 | public void onLightweightThemeReset() { |
| michael@0 | 121 | setBackgroundResource(R.drawable.shaped_button); |
| michael@0 | 122 | } |
| michael@0 | 123 | |
| michael@0 | 124 | @Override |
| michael@0 | 125 | public void setBackgroundDrawable(Drawable drawable) { |
| michael@0 | 126 | if (getBackground() == null || drawable == null) { |
| michael@0 | 127 | super.setBackgroundDrawable(drawable); |
| michael@0 | 128 | return; |
| michael@0 | 129 | } |
| michael@0 | 130 | |
| michael@0 | 131 | int[] padding = new int[] { getPaddingLeft(), |
| michael@0 | 132 | getPaddingTop(), |
| michael@0 | 133 | getPaddingRight(), |
| michael@0 | 134 | getPaddingBottom() |
| michael@0 | 135 | }; |
| michael@0 | 136 | drawable.setLevel(getBackground().getLevel()); |
| michael@0 | 137 | super.setBackgroundDrawable(drawable); |
| michael@0 | 138 | |
| michael@0 | 139 | setPadding(padding[0], padding[1], padding[2], padding[3]); |
| michael@0 | 140 | } |
| michael@0 | 141 | |
| michael@0 | 142 | @Override |
| michael@0 | 143 | public void setBackgroundResource(int resId) { |
| michael@0 | 144 | setBackgroundDrawable(getResources().getDrawable(resId)); |
| michael@0 | 145 | } |
| michael@0 | 146 | } |
