com.actionbarsherlock.internal.widget.ActionBarContextView Maven / Gradle / Ivy
/*
* Copyright (C) 2010 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.TypedArray;
import android.graphics.drawable.Drawable;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityEvent;
import android.view.animation.DecelerateInterpolator;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.actionbarsherlock.R;
import com.actionbarsherlock.internal.nineoldandroids.animation.Animator;
import com.actionbarsherlock.internal.nineoldandroids.animation.Animator.AnimatorListener;
import com.actionbarsherlock.internal.nineoldandroids.animation.AnimatorSet;
import com.actionbarsherlock.internal.nineoldandroids.animation.ObjectAnimator;
import com.actionbarsherlock.internal.nineoldandroids.view.animation.AnimatorProxy;
import com.actionbarsherlock.internal.nineoldandroids.widget.NineLinearLayout;
import com.actionbarsherlock.internal.view.menu.ActionMenuPresenter;
import com.actionbarsherlock.internal.view.menu.ActionMenuView;
import com.actionbarsherlock.internal.view.menu.MenuBuilder;
import com.actionbarsherlock.view.ActionMode;
/**
* @hide
*/
public class ActionBarContextView extends AbsActionBarView implements AnimatorListener {
//UNUSED private static final String TAG = "ActionBarContextView";
private CharSequence mTitle;
private CharSequence mSubtitle;
private NineLinearLayout mClose;
private View mCustomView;
private LinearLayout mTitleLayout;
private TextView mTitleView;
private TextView mSubtitleView;
private int mTitleStyleRes;
private int mSubtitleStyleRes;
private Drawable mSplitBackground;
private Animator mCurrentAnimation;
private boolean mAnimateInOnLayout;
private int mAnimationMode;
private static final int ANIMATE_IDLE = 0;
private static final int ANIMATE_IN = 1;
private static final int ANIMATE_OUT = 2;
public ActionBarContextView(Context context) {
this(context, null);
}
public ActionBarContextView(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.actionModeStyle);
}
public ActionBarContextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SherlockActionMode, defStyle, 0);
setBackgroundDrawable(a.getDrawable(
R.styleable.SherlockActionMode_background));
mTitleStyleRes = a.getResourceId(
R.styleable.SherlockActionMode_titleTextStyle, 0);
mSubtitleStyleRes = a.getResourceId(
R.styleable.SherlockActionMode_subtitleTextStyle, 0);
mContentHeight = a.getLayoutDimension(
R.styleable.SherlockActionMode_height, 0);
mSplitBackground = a.getDrawable(
R.styleable.SherlockActionMode_backgroundSplit);
a.recycle();
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (mActionMenuPresenter != null) {
mActionMenuPresenter.hideOverflowMenu();
mActionMenuPresenter.hideSubMenus();
}
}
@Override
public void setSplitActionBar(boolean split) {
if (mSplitActionBar != split) {
if (mActionMenuPresenter != null) {
// Mode is already active; move everything over and adjust the menu itself.
final LayoutParams layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.MATCH_PARENT);
if (!split) {
mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this);
mMenuView.setBackgroundDrawable(null);
final ViewGroup oldParent = (ViewGroup) mMenuView.getParent();
if (oldParent != null) oldParent.removeView(mMenuView);
addView(mMenuView, layoutParams);
} else {
// Allow full screen width in split mode.
mActionMenuPresenter.setWidthLimit(
getContext().getResources().getDisplayMetrics().widthPixels, true);
// No limit to the item count; use whatever will fit.
mActionMenuPresenter.setItemLimit(Integer.MAX_VALUE);
// Span the whole width
layoutParams.width = LayoutParams.MATCH_PARENT;
layoutParams.height = mContentHeight;
mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this);
mMenuView.setBackgroundDrawable(mSplitBackground);
final ViewGroup oldParent = (ViewGroup) mMenuView.getParent();
if (oldParent != null) oldParent.removeView(mMenuView);
mSplitView.addView(mMenuView, layoutParams);
}
}
super.setSplitActionBar(split);
}
}
public void setContentHeight(int height) {
mContentHeight = height;
}
public void setCustomView(View view) {
if (mCustomView != null) {
removeView(mCustomView);
}
mCustomView = view;
if (mTitleLayout != null) {
removeView(mTitleLayout);
mTitleLayout = null;
}
if (view != null) {
addView(view);
}
requestLayout();
}
public void setTitle(CharSequence title) {
mTitle = title;
initTitle();
}
public void setSubtitle(CharSequence subtitle) {
mSubtitle = subtitle;
initTitle();
}
public CharSequence getTitle() {
return mTitle;
}
public CharSequence getSubtitle() {
return mSubtitle;
}
private void initTitle() {
if (mTitleLayout == null) {
LayoutInflater inflater = LayoutInflater.from(getContext());
inflater.inflate(R.layout.abs__action_bar_title_item, this);
mTitleLayout = (LinearLayout) getChildAt(getChildCount() - 1);
mTitleView = (TextView) mTitleLayout.findViewById(R.id.abs__action_bar_title);
mSubtitleView = (TextView) mTitleLayout.findViewById(R.id.abs__action_bar_subtitle);
if (mTitleStyleRes != 0) {
mTitleView.setTextAppearance(mContext, mTitleStyleRes);
}
if (mSubtitleStyleRes != 0) {
mSubtitleView.setTextAppearance(mContext, mSubtitleStyleRes);
}
}
mTitleView.setText(mTitle);
mSubtitleView.setText(mSubtitle);
final boolean hasTitle = !TextUtils.isEmpty(mTitle);
final boolean hasSubtitle = !TextUtils.isEmpty(mSubtitle);
mSubtitleView.setVisibility(hasSubtitle ? VISIBLE : GONE);
mTitleLayout.setVisibility(hasTitle || hasSubtitle ? VISIBLE : GONE);
if (mTitleLayout.getParent() == null) {
addView(mTitleLayout);
}
}
public void initForMode(final ActionMode mode) {
if (mClose == null) {
LayoutInflater inflater = LayoutInflater.from(mContext);
mClose = (NineLinearLayout)inflater.inflate(R.layout.abs__action_mode_close_item, this, false);
addView(mClose);
} else if (mClose.getParent() == null) {
addView(mClose);
}
View closeButton = mClose.findViewById(R.id.abs__action_mode_close_button);
closeButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mode.finish();
}
});
final MenuBuilder menu = (MenuBuilder) mode.getMenu();
if (mActionMenuPresenter != null) {
mActionMenuPresenter.dismissPopupMenus();
}
mActionMenuPresenter = new ActionMenuPresenter(mContext);
mActionMenuPresenter.setReserveOverflow(true);
final LayoutParams layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.MATCH_PARENT);
if (!mSplitActionBar) {
menu.addMenuPresenter(mActionMenuPresenter);
mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this);
mMenuView.setBackgroundDrawable(null);
addView(mMenuView, layoutParams);
} else {
// Allow full screen width in split mode.
mActionMenuPresenter.setWidthLimit(
getContext().getResources().getDisplayMetrics().widthPixels, true);
// No limit to the item count; use whatever will fit.
mActionMenuPresenter.setItemLimit(Integer.MAX_VALUE);
// Span the whole width
layoutParams.width = LayoutParams.MATCH_PARENT;
layoutParams.height = mContentHeight;
menu.addMenuPresenter(mActionMenuPresenter);
mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this);
mMenuView.setBackgroundDrawable(mSplitBackground);
mSplitView.addView(mMenuView, layoutParams);
}
mAnimateInOnLayout = true;
}
public void closeMode() {
if (mAnimationMode == ANIMATE_OUT) {
// Called again during close; just finish what we were doing.
return;
}
if (mClose == null) {
killMode();
return;
}
finishAnimation();
mAnimationMode = ANIMATE_OUT;
mCurrentAnimation = makeOutAnimation();
mCurrentAnimation.start();
}
private void finishAnimation() {
final Animator a = mCurrentAnimation;
if (a != null) {
mCurrentAnimation = null;
a.end();
}
}
public void killMode() {
finishAnimation();
removeAllViews();
if (mSplitView != null) {
mSplitView.removeView(mMenuView);
}
mCustomView = null;
mMenuView = null;
mAnimateInOnLayout = false;
}
@Override
public boolean showOverflowMenu() {
if (mActionMenuPresenter != null) {
return mActionMenuPresenter.showOverflowMenu();
}
return false;
}
@Override
public boolean hideOverflowMenu() {
if (mActionMenuPresenter != null) {
return mActionMenuPresenter.hideOverflowMenu();
}
return false;
}
@Override
public boolean isOverflowMenuShowing() {
if (mActionMenuPresenter != null) {
return mActionMenuPresenter.isOverflowMenuShowing();
}
return false;
}
@Override
protected ViewGroup.LayoutParams generateDefaultLayoutParams() {
// Used by custom views if they don't supply layout params. Everything else
// added to an ActionBarContextView should have them already.
return new MarginLayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
}
@Override
public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) {
return new MarginLayoutParams(getContext(), attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
if (widthMode != MeasureSpec.EXACTLY) {
throw new IllegalStateException(getClass().getSimpleName() + " can only be used " +
"with android:layout_width=\"match_parent\" (or fill_parent)");
}
final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
if (heightMode == MeasureSpec.UNSPECIFIED) {
throw new IllegalStateException(getClass().getSimpleName() + " can only be used " +
"with android:layout_height=\"wrap_content\"");
}
final int contentWidth = MeasureSpec.getSize(widthMeasureSpec);
int maxHeight = mContentHeight > 0 ?
mContentHeight : MeasureSpec.getSize(heightMeasureSpec);
final int verticalPadding = getPaddingTop() + getPaddingBottom();
int availableWidth = contentWidth - getPaddingLeft() - getPaddingRight();
final int height = maxHeight - verticalPadding;
final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
if (mClose != null) {
availableWidth = measureChildView(mClose, availableWidth, childSpecHeight, 0);
MarginLayoutParams lp = (MarginLayoutParams) mClose.getLayoutParams();
availableWidth -= lp.leftMargin + lp.rightMargin;
}
if (mMenuView != null && mMenuView.getParent() == this) {
availableWidth = measureChildView(mMenuView, availableWidth,
childSpecHeight, 0);
}
if (mTitleLayout != null && mCustomView == null) {
availableWidth = measureChildView(mTitleLayout, availableWidth, childSpecHeight, 0);
}
if (mCustomView != null) {
ViewGroup.LayoutParams lp = mCustomView.getLayoutParams();
final int customWidthMode = lp.width != LayoutParams.WRAP_CONTENT ?
MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
final int customWidth = lp.width >= 0 ?
Math.min(lp.width, availableWidth) : availableWidth;
final int customHeightMode = lp.height != LayoutParams.WRAP_CONTENT ?
MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
final int customHeight = lp.height >= 0 ?
Math.min(lp.height, height) : height;
mCustomView.measure(MeasureSpec.makeMeasureSpec(customWidth, customWidthMode),
MeasureSpec.makeMeasureSpec(customHeight, customHeightMode));
}
if (mContentHeight <= 0) {
int measuredHeight = 0;
final int count = getChildCount();
for (int i = 0; i < count; i++) {
View v = getChildAt(i);
int paddedViewHeight = v.getMeasuredHeight() + verticalPadding;
if (paddedViewHeight > measuredHeight) {
measuredHeight = paddedViewHeight;
}
}
setMeasuredDimension(contentWidth, measuredHeight);
} else {
setMeasuredDimension(contentWidth, maxHeight);
}
}
private Animator makeInAnimation() {
mClose.setTranslationX(-mClose.getWidth() -
((MarginLayoutParams) mClose.getLayoutParams()).leftMargin);
ObjectAnimator buttonAnimator = ObjectAnimator.ofFloat(mClose, "translationX", 0);
buttonAnimator.setDuration(200);
buttonAnimator.addListener(this);
buttonAnimator.setInterpolator(new DecelerateInterpolator());
AnimatorSet set = new AnimatorSet();
AnimatorSet.Builder b = set.play(buttonAnimator);
if (mMenuView != null) {
final int count = mMenuView.getChildCount();
if (count > 0) {
for (int i = count - 1, j = 0; i >= 0; i--, j++) {
AnimatorProxy child = AnimatorProxy.wrap(mMenuView.getChildAt(i));
child.setScaleY(0);
ObjectAnimator a = ObjectAnimator.ofFloat(child, "scaleY", 0, 1);
a.setDuration(100);
a.setStartDelay(j * 70);
b.with(a);
}
}
}
return set;
}
private Animator makeOutAnimation() {
ObjectAnimator buttonAnimator = ObjectAnimator.ofFloat(mClose, "translationX",
-mClose.getWidth() - ((MarginLayoutParams) mClose.getLayoutParams()).leftMargin);
buttonAnimator.setDuration(200);
buttonAnimator.addListener(this);
buttonAnimator.setInterpolator(new DecelerateInterpolator());
AnimatorSet set = new AnimatorSet();
AnimatorSet.Builder b = set.play(buttonAnimator);
if (mMenuView != null) {
final int count = mMenuView.getChildCount();
if (count > 0) {
for (int i = 0; i < 0; i++) {
AnimatorProxy child = AnimatorProxy.wrap(mMenuView.getChildAt(i));
child.setScaleY(0);
ObjectAnimator a = ObjectAnimator.ofFloat(child, "scaleY", 0);
a.setDuration(100);
a.setStartDelay(i * 70);
b.with(a);
}
}
}
return set;
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int x = getPaddingLeft();
final int y = getPaddingTop();
final int contentHeight = b - t - getPaddingTop() - getPaddingBottom();
if (mClose != null && mClose.getVisibility() != GONE) {
MarginLayoutParams lp = (MarginLayoutParams) mClose.getLayoutParams();
x += lp.leftMargin;
x += positionChild(mClose, x, y, contentHeight);
x += lp.rightMargin;
if (mAnimateInOnLayout) {
mAnimationMode = ANIMATE_IN;
mCurrentAnimation = makeInAnimation();
mCurrentAnimation.start();
mAnimateInOnLayout = false;
}
}
if (mTitleLayout != null && mCustomView == null) {
x += positionChild(mTitleLayout, x, y, contentHeight);
}
if (mCustomView != null) {
x += positionChild(mCustomView, x, y, contentHeight);
}
x = r - l - getPaddingRight();
if (mMenuView != null) {
x -= positionChildInverse(mMenuView, x, y, contentHeight);
}
}
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
if (mAnimationMode == ANIMATE_OUT) {
killMode();
}
mAnimationMode = ANIMATE_IDLE;
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
@Override
public boolean shouldDelayChildPressedState() {
return false;
}
@Override
public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
// Action mode started
//TODO event.setSource(this);
event.setClassName(getClass().getName());
event.setPackageName(getContext().getPackageName());
event.setContentDescription(mTitle);
} else {
//TODO super.onInitializeAccessibilityEvent(event);
}
}
}
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