SystemUI: change back button to hide ime buttom with rotate animation. (6c41953d) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/phone/BackButtonDrawable.java

0 → 100644

+123 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 The CyanogenMod Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License"); you may not
		* use this file except in compliance with the License. You may obtain a copy of
		* the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
		* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
		* License for the specific language governing permissions and limitations under
		* the License.
		*/
		package com.android.systemui.statusbar.phone;

		import android.animation.Animator;
		import android.animation.ObjectAnimator;
		import android.app.ActivityManager;
		import android.graphics.Canvas;
		import android.graphics.ColorFilter;
		import android.graphics.Rect;
		import android.graphics.drawable.Drawable;
		import android.util.FloatProperty;
		import android.util.Property;

		public class BackButtonDrawable extends Drawable {
		private final Drawable mWrappedDrawable;
		private float mRotation;
		private Animator mCurrentAnimator;

		private static final int ANIMATION_DURATION = 200;
		public static final Property<BackButtonDrawable, Float> ROTATION
		= new FloatProperty<BackButtonDrawable>("rotation") {
		@Override
		public void setValue(BackButtonDrawable object, float value) {
		object.setRotation(value);
		}

		@Override
		public Float get(BackButtonDrawable object) {
		return object.getRotation();
		}
		};

		public BackButtonDrawable(Drawable wrappedDrawable) {
		mWrappedDrawable = wrappedDrawable;
		}

		@Override
		public void draw(Canvas canvas) {
		final Rect bounds = mWrappedDrawable.getBounds();
		final int boundsCenterX = bounds.width() / 2;
		final int boundsCenterY = bounds.height() / 2;

		canvas.translate(boundsCenterX, boundsCenterY);
		canvas.rotate(mRotation);
		canvas.translate(- boundsCenterX, - boundsCenterY);

		mWrappedDrawable.draw(canvas);
		}

		@Override
		public void setBounds(Rect bounds) {
		mWrappedDrawable.setBounds(bounds);
		}

		@Override
		public void setBounds(int left, int top, int right, int bottom) {
		mWrappedDrawable.setBounds(left, top, right, bottom);
		}

		@Override
		public void setAlpha(int alpha) {
		mWrappedDrawable.setAlpha(alpha);
		if (mCurrentAnimator != null) {
		mCurrentAnimator.end();
		}
		}

		@Override
		public int getAlpha() {
		return mWrappedDrawable.getAlpha();
		}

		@Override
		public void setColorFilter(ColorFilter cf) {
		}

		@Override
		public int getOpacity() {
		return mWrappedDrawable.getOpacity();
		}

		public void setRotation(float rotation) {
		mRotation = rotation;
		invalidateSelf();
		}

		public float getRotation() {
		return mRotation;
		}

		public void setImeVisible(boolean ime) {
		if (mCurrentAnimator != null) {
		mCurrentAnimator.cancel();
		}

		final float nextRotation = ime ? - 90 : 0;
		if (mRotation == nextRotation) {
		return;
		}

		if (isVisible() && ActivityManager.isHighEndGfx()) {
		mCurrentAnimator = ObjectAnimator.ofFloat(this, ROTATION, nextRotation)
		.setDuration(ANIMATION_DURATION);
		mCurrentAnimator.start();
		} else {
		setRotation(nextRotation);
		}
		}
		}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java

+7 −8

Original line number	Diff line number	Diff line
		@@ -70,7 +70,7 @@ public class NavigationBarView extends LinearLayout {
		int mDisabledFlags = 0;
		int mNavigationIconHints = 0;

		private Drawable mBackIcon, mBackLandIcon, mBackAltIcon, mBackAltLandIcon;
		private BackButtonDrawable mBackIcon, mBackLandIcon;
		private Drawable mRecentIcon;
		private Drawable mRecentLandIcon;

		@@ -267,10 +267,8 @@ public class NavigationBarView extends LinearLayout {
		}

		private void getIcons(Resources res) {
		mBackIcon = res.getDrawable(R.drawable.ic_sysbar_back);
		mBackLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_land);
		mBackAltIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime);
		mBackAltLandIcon = res.getDrawable(R.drawable.ic_sysbar_back_ime);
		mBackIcon = new BackButtonDrawable(res.getDrawable(R.drawable.ic_sysbar_back));
		mBackLandIcon = new BackButtonDrawable(res.getDrawable(R.drawable.ic_sysbar_back_land));
		mRecentIcon = res.getDrawable(R.drawable.ic_sysbar_recent);
		mRecentLandIcon = res.getDrawable(R.drawable.ic_sysbar_recent_land);
		}
		@@ -305,9 +303,10 @@ public class NavigationBarView extends LinearLayout {

		mNavigationIconHints = hints;

		((ImageView)getBackButton()).setImageDrawable(backAlt
		? (mVertical ? mBackAltLandIcon : mBackAltIcon)
		: (mVertical ? mBackLandIcon : mBackIcon));
		((ImageView)getBackButton()).setImageDrawable(null);
		((ImageView)getBackButton()).setImageDrawable(mVertical ? mBackLandIcon : mBackIcon);
		mBackLandIcon.setImeVisible(backAlt);
		mBackIcon.setImeVisible(backAlt);

		((ImageView)getRecentsButton()).setImageDrawable(mVertical ? mRecentLandIcon : mRecentIcon);