--- /dev/null
+/*
+ * Copyright (C) 2011 The Android Open Source 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.actionbarsherlock.internal.widget;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.TypedArray;
+import android.os.Build;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.animation.DecelerateInterpolator;
+import android.view.animation.Interpolator;
+
+import com.actionbarsherlock.R;
+import com.actionbarsherlock.internal.nineoldandroids.animation.Animator;
+import com.actionbarsherlock.internal.nineoldandroids.animation.AnimatorSet;
+import com.actionbarsherlock.internal.nineoldandroids.animation.ObjectAnimator;
+import com.actionbarsherlock.internal.nineoldandroids.view.NineViewGroup;
+import com.actionbarsherlock.internal.view.menu.ActionMenuPresenter;
+import com.actionbarsherlock.internal.view.menu.ActionMenuView;
+
+import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getBoolean;
+
+public abstract class AbsActionBarView extends NineViewGroup {
+ protected ActionMenuView mMenuView;
+ protected ActionMenuPresenter mActionMenuPresenter;
+ protected ActionBarContainer mSplitView;
+ protected boolean mSplitActionBar;
+ protected boolean mSplitWhenNarrow;
+ protected int mContentHeight;
+
+ final Context mContext;
+
+ protected Animator mVisibilityAnim;
+ protected final VisibilityAnimListener mVisAnimListener = new VisibilityAnimListener();
+
+ private static final /*Time*/Interpolator sAlphaInterpolator = new DecelerateInterpolator();
+
+ private static final int FADE_DURATION = 200;
+
+ public AbsActionBarView(Context context) {
+ super(context);
+ mContext = context;
+ }
+
+ public AbsActionBarView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ mContext = context;
+ }
+
+ public AbsActionBarView(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ mContext = context;
+ }
+
+ /*
+ * Must be public so we can dispatch pre-2.2 via ActionBarImpl.
+ */
+ @Override
+ public void onConfigurationChanged(Configuration newConfig) {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) {
+ super.onConfigurationChanged(newConfig);
+ } else if (mMenuView != null) {
+ mMenuView.onConfigurationChanged(newConfig);
+ }
+
+ // Action bar can change size on configuration changes.
+ // Reread the desired height from the theme-specified style.
+ TypedArray a = getContext().obtainStyledAttributes(null, R.styleable.SherlockActionBar,
+ R.attr.actionBarStyle, 0);
+ setContentHeight(a.getLayoutDimension(R.styleable.SherlockActionBar_height, 0));
+ a.recycle();
+ if (mSplitWhenNarrow) {
+ setSplitActionBar(getResources_getBoolean(getContext(),
+ R.bool.abs__split_action_bar_is_narrow));
+ }
+ if (mActionMenuPresenter != null) {
+ mActionMenuPresenter.onConfigurationChanged(newConfig);
+ }
+ }
+
+ /**
+ * Sets whether the bar should be split right now, no questions asked.
+ * @param split true if the bar should split
+ */
+ public void setSplitActionBar(boolean split) {
+ mSplitActionBar = split;
+ }
+
+ /**
+ * Sets whether the bar should split if we enter a narrow screen configuration.
+ * @param splitWhenNarrow true if the bar should check to split after a config change
+ */
+ public void setSplitWhenNarrow(boolean splitWhenNarrow) {
+ mSplitWhenNarrow = splitWhenNarrow;
+ }
+
+ public void setContentHeight(int height) {
+ mContentHeight = height;
+ requestLayout();
+ }
+
+ public int getContentHeight() {
+ return mContentHeight;
+ }
+
+ public void setSplitView(ActionBarContainer splitView) {
+ mSplitView = splitView;
+ }
+
+ /**
+ * @return Current visibility or if animating, the visibility being animated to.
+ */
+ public int getAnimatedVisibility() {
+ if (mVisibilityAnim != null) {
+ return mVisAnimListener.mFinalVisibility;
+ }
+ return getVisibility();
+ }
+
+ public void animateToVisibility(int visibility) {
+ if (mVisibilityAnim != null) {
+ mVisibilityAnim.cancel();
+ }
+ if (visibility == VISIBLE) {
+ if (getVisibility() != VISIBLE) {
+ setAlpha(0);
+ if (mSplitView != null && mMenuView != null) {
+ mMenuView.setAlpha(0);
+ }
+ }
+ ObjectAnimator anim = ObjectAnimator.ofFloat(this, "alpha", 1);
+ anim.setDuration(FADE_DURATION);
+ anim.setInterpolator(sAlphaInterpolator);
+ if (mSplitView != null && mMenuView != null) {
+ AnimatorSet set = new AnimatorSet();
+ ObjectAnimator splitAnim = ObjectAnimator.ofFloat(mMenuView, "alpha", 1);
+ splitAnim.setDuration(FADE_DURATION);
+ set.addListener(mVisAnimListener.withFinalVisibility(visibility));
+ set.play(anim).with(splitAnim);
+ set.start();
+ } else {
+ anim.addListener(mVisAnimListener.withFinalVisibility(visibility));
+ anim.start();
+ }
+ } else {
+ ObjectAnimator anim = ObjectAnimator.ofFloat(this, "alpha", 0);
+ anim.setDuration(FADE_DURATION);
+ anim.setInterpolator(sAlphaInterpolator);
+ if (mSplitView != null && mMenuView != null) {
+ AnimatorSet set = new AnimatorSet();
+ ObjectAnimator splitAnim = ObjectAnimator.ofFloat(mMenuView, "alpha", 0);
+ splitAnim.setDuration(FADE_DURATION);
+ set.addListener(mVisAnimListener.withFinalVisibility(visibility));
+ set.play(anim).with(splitAnim);
+ set.start();
+ } else {
+ anim.addListener(mVisAnimListener.withFinalVisibility(visibility));
+ anim.start();
+ }
+ }
+ }
+
+ @Override
+ public void setVisibility(int visibility) {
+ if (mVisibilityAnim != null) {
+ mVisibilityAnim.end();
+ }
+ super.setVisibility(visibility);
+ }
+
+ public boolean showOverflowMenu() {
+ if (mActionMenuPresenter != null) {
+ return mActionMenuPresenter.showOverflowMenu();
+ }
+ return false;
+ }
+
+ public void postShowOverflowMenu() {
+ post(new Runnable() {
+ public void run() {
+ showOverflowMenu();
+ }
+ });
+ }
+
+ public boolean hideOverflowMenu() {
+ if (mActionMenuPresenter != null) {
+ return mActionMenuPresenter.hideOverflowMenu();
+ }
+ return false;
+ }
+
+ public boolean isOverflowMenuShowing() {
+ if (mActionMenuPresenter != null) {
+ return mActionMenuPresenter.isOverflowMenuShowing();
+ }
+ return false;
+ }
+
+ public boolean isOverflowReserved() {
+ return mActionMenuPresenter != null && mActionMenuPresenter.isOverflowReserved();
+ }
+
+ public void dismissPopupMenus() {
+ if (mActionMenuPresenter != null) {
+ mActionMenuPresenter.dismissPopupMenus();
+ }
+ }
+
+ protected int measureChildView(View child, int availableWidth, int childSpecHeight,
+ int spacing) {
+ child.measure(MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST),
+ childSpecHeight);
+
+ availableWidth -= child.getMeasuredWidth();
+ availableWidth -= spacing;
+
+ return Math.max(0, availableWidth);
+ }
+
+ protected int positionChild(View child, int x, int y, int contentHeight) {
+ int childWidth = child.getMeasuredWidth();
+ int childHeight = child.getMeasuredHeight();
+ int childTop = y + (contentHeight - childHeight) / 2;
+
+ child.layout(x, childTop, x + childWidth, childTop + childHeight);
+
+ return childWidth;
+ }
+
+ protected int positionChildInverse(View child, int x, int y, int contentHeight) {
+ int childWidth = child.getMeasuredWidth();
+ int childHeight = child.getMeasuredHeight();
+ int childTop = y + (contentHeight - childHeight) / 2;
+
+ child.layout(x - childWidth, childTop, x, childTop + childHeight);
+
+ return childWidth;
+ }
+
+ protected class VisibilityAnimListener implements Animator.AnimatorListener {
+ private boolean mCanceled = false;
+ int mFinalVisibility;
+
+ public VisibilityAnimListener withFinalVisibility(int visibility) {
+ mFinalVisibility = visibility;
+ return this;
+ }
+
+ @Override
+ public void onAnimationStart(Animator animation) {
+ setVisibility(VISIBLE);
+ mVisibilityAnim = animation;
+ mCanceled = false;
+ }
+
+ @Override
+ public void onAnimationEnd(Animator animation) {
+ if (mCanceled) return;
+
+ mVisibilityAnim = null;
+ setVisibility(mFinalVisibility);
+ if (mSplitView != null && mMenuView != null) {
+ mMenuView.setVisibility(mFinalVisibility);
+ }
+ }
+
+ @Override
+ public void onAnimationCancel(Animator animation) {
+ mCanceled = true;
+ }
+
+ @Override
+ public void onAnimationRepeat(Animator animation) {
+ }
+ }
+}
projects / debian / openrocket / blobdiff