gecko-dev/mobile/android/base/MenuButton.java
Sriram Ramasubramanian e99219e50b Bug 806937: Private browsing mode support for Menu button. [r=mfinkle]
--HG--
rename : mobile/android/base/resources/drawable/menu_level.xml => mobile/android/base/resources/drawable/menu_level.xml.in
2012-11-16 00:21:46 -08:00

85 lines
3.0 KiB
Java

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Path;
import android.graphics.PorterDuff.Mode;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.graphics.drawable.LevelListDrawable;
import android.graphics.drawable.StateListDrawable;
import android.util.AttributeSet;
public class MenuButton extends ShapedButton {
public MenuButton(Context context, AttributeSet attrs) {
super(context, attrs);
// Path is clipped.
mPath = new Path();
mCanvasDelegate = new CanvasDelegate(this, Mode.DST_OUT);
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int width = getMeasuredWidth();
int height = getMeasuredHeight();
float curve = height * 1.125f;
mPath.reset();
// Clipping happens on opposite side for menu.
if (mSide == CurveTowards.RIGHT) {
mPath.moveTo(0, 0);
mPath.cubicTo(curve * 0.75f, 0,
curve * 0.25f, height,
curve, height);
mPath.lineTo(0, height);
mPath.lineTo(0, 0);
} else if (mSide == CurveTowards.LEFT) {
mPath.moveTo(width, 0);
mPath.cubicTo((width - (curve * 0.75f)), 0,
(width - (curve * 0.25f)), height,
(width - curve), height);
mPath.lineTo(width, height);
mPath.lineTo(width, 0);
}
}
// The drawable is constructed as per @drawable/menu_button.
@Override
public void onLightweightThemeChanged() {
Drawable drawable = mActivity.getLightweightTheme().getDrawableWithAlpha(this, 34);
if (drawable == null)
return;
Resources resources = getContext().getResources();
LayerDrawable layers = new LayerDrawable(new Drawable[] { new ColorDrawable(Color.BLACK), drawable });
StateListDrawable stateList = new StateListDrawable();
stateList.addState(new int[] { R.attr.state_private }, new ColorDrawable(Color.BLACK));
stateList.addState(new int[] { android.R.attr.state_pressed }, resources.getDrawable(R.drawable.highlight));
stateList.addState(new int[] {}, layers);
LevelListDrawable levelList = new LevelListDrawable();
levelList.addLevel(0, 1, stateList);
levelList.addLevel(2, 2, new ColorDrawable(Color.TRANSPARENT));
setBackgroundDrawable(levelList);
}
@Override
public void onLightweightThemeReset() {
setBackgroundResource(R.drawable.menu_button);
}
}