1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/toolbar/ShapedButton.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,146 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +package org.mozilla.gecko.toolbar;
1.9 +
1.10 +import org.mozilla.gecko.GeckoApplication;
1.11 +import org.mozilla.gecko.LightweightTheme;
1.12 +import org.mozilla.gecko.LightweightThemeDrawable;
1.13 +import org.mozilla.gecko.R;
1.14 +import org.mozilla.gecko.widget.ThemedImageButton;
1.15 +
1.16 +import android.content.Context;
1.17 +import android.content.res.TypedArray;
1.18 +import android.graphics.Canvas;
1.19 +import android.graphics.Path;
1.20 +import android.graphics.PorterDuff.Mode;
1.21 +import android.graphics.drawable.Drawable;
1.22 +import android.graphics.drawable.StateListDrawable;
1.23 +import android.util.AttributeSet;
1.24 +
1.25 +public class ShapedButton extends ThemedImageButton
1.26 + implements CanvasDelegate.DrawManager {
1.27 + protected final LightweightTheme mTheme;
1.28 +
1.29 + private final Path mPath;
1.30 + private final CurveTowards mSide;
1.31 +
1.32 + protected final CanvasDelegate mCanvasDelegate;
1.33 +
1.34 + private enum CurveTowards { NONE, LEFT, RIGHT };
1.35 +
1.36 + public ShapedButton(Context context, AttributeSet attrs) {
1.37 + super(context, attrs);
1.38 + mTheme = ((GeckoApplication) context.getApplicationContext()).getLightweightTheme();
1.39 +
1.40 + TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BrowserToolbarCurve);
1.41 + int curveTowards = a.getInt(R.styleable.BrowserToolbarCurve_curveTowards, 0x00);
1.42 + a.recycle();
1.43 +
1.44 + if (curveTowards == 0x00)
1.45 + mSide = CurveTowards.NONE;
1.46 + else if (curveTowards == 0x01)
1.47 + mSide = CurveTowards.LEFT;
1.48 + else
1.49 + mSide = CurveTowards.RIGHT;
1.50 +
1.51 + // Path is clipped.
1.52 + mPath = new Path();
1.53 + mCanvasDelegate = new CanvasDelegate(this, Mode.DST_IN);
1.54 +
1.55 + setWillNotDraw(false);
1.56 + }
1.57 +
1.58 + @Override
1.59 + public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
1.60 + super.onMeasure(widthMeasureSpec, heightMeasureSpec);
1.61 +
1.62 + if (mSide == CurveTowards.NONE)
1.63 + return;
1.64 +
1.65 + final int width = getMeasuredWidth();
1.66 + final int height = getMeasuredHeight();
1.67 + final int curve = (int) (height * 1.125f);
1.68 +
1.69 + mPath.reset();
1.70 +
1.71 + if (mSide == CurveTowards.RIGHT) {
1.72 + mPath.moveTo(0, 0);
1.73 + mPath.cubicTo(curve * 0.75f, 0,
1.74 + curve * 0.25f, height,
1.75 + curve, height);
1.76 + mPath.lineTo(width, height);
1.77 + mPath.lineTo(width, 0);
1.78 + mPath.lineTo(0, 0);
1.79 + } else if (mSide == CurveTowards.LEFT) {
1.80 + mPath.moveTo(width, 0);
1.81 + mPath.cubicTo((width - (curve * 0.75f)), 0,
1.82 + (width - (curve * 0.25f)), height,
1.83 + (width - curve), height);
1.84 + mPath.lineTo(0, height);
1.85 + mPath.lineTo(0, 0);
1.86 + }
1.87 + }
1.88 +
1.89 + @Override
1.90 + public void draw(Canvas canvas) {
1.91 + if (mCanvasDelegate != null && mSide != CurveTowards.NONE)
1.92 + mCanvasDelegate.draw(canvas, mPath, getWidth(), getHeight());
1.93 + else
1.94 + defaultDraw(canvas);
1.95 + }
1.96 +
1.97 + @Override
1.98 + public void defaultDraw(Canvas canvas) {
1.99 + super.draw(canvas);
1.100 + }
1.101 +
1.102 + // The drawable is constructed as per @drawable/shaped_button.
1.103 + @Override
1.104 + public void onLightweightThemeChanged() {
1.105 + final int background = getResources().getColor(R.color.background_tabs);
1.106 + final LightweightThemeDrawable lightWeight = mTheme.getColorDrawable(this, background);
1.107 +
1.108 + if (lightWeight == null)
1.109 + return;
1.110 +
1.111 + lightWeight.setAlpha(34, 34);
1.112 +
1.113 + final StateListDrawable stateList = new StateListDrawable();
1.114 + stateList.addState(PRESSED_ENABLED_STATE_SET, getColorDrawable(R.color.highlight_shaped));
1.115 + stateList.addState(FOCUSED_STATE_SET, getColorDrawable(R.color.highlight_shaped_focused));
1.116 + stateList.addState(PRIVATE_STATE_SET, getColorDrawable(R.color.background_tabs));
1.117 + stateList.addState(EMPTY_STATE_SET, lightWeight);
1.118 +
1.119 + setBackgroundDrawable(stateList);
1.120 + }
1.121 +
1.122 + @Override
1.123 + public void onLightweightThemeReset() {
1.124 + setBackgroundResource(R.drawable.shaped_button);
1.125 + }
1.126 +
1.127 + @Override
1.128 + public void setBackgroundDrawable(Drawable drawable) {
1.129 + if (getBackground() == null || drawable == null) {
1.130 + super.setBackgroundDrawable(drawable);
1.131 + return;
1.132 + }
1.133 +
1.134 + int[] padding = new int[] { getPaddingLeft(),
1.135 + getPaddingTop(),
1.136 + getPaddingRight(),
1.137 + getPaddingBottom()
1.138 + };
1.139 + drawable.setLevel(getBackground().getLevel());
1.140 + super.setBackgroundDrawable(drawable);
1.141 +
1.142 + setPadding(padding[0], padding[1], padding[2], padding[3]);
1.143 + }
1.144 +
1.145 + @Override
1.146 + public void setBackgroundResource(int resId) {
1.147 + setBackgroundDrawable(getResources().getDrawable(resId));
1.148 + }
1.149 +}
