Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.internal.widget; |
| 18 | |
Adam Powell | 310849a | 2011-06-08 20:07:17 -0700 | [diff] [blame] | 19 | import android.app.ActionBar; |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 20 | import android.content.Context; |
| 21 | import android.content.res.TypedArray; |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 22 | import android.graphics.Canvas; |
| 23 | import android.graphics.drawable.Drawable; |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 24 | import android.util.AttributeSet; |
Adam Powell | 640a66e | 2011-04-29 10:18:53 -0700 | [diff] [blame] | 25 | import android.view.ActionMode; |
Adam Powell | 6ecf3d1 | 2010-12-19 13:14:58 -0800 | [diff] [blame] | 26 | import android.view.MotionEvent; |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 27 | import android.view.View; |
Adam Powell | af6b97e | 2011-08-11 17:40:57 -0700 | [diff] [blame] | 28 | import android.view.ViewGroup; |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 29 | import android.widget.FrameLayout; |
| 30 | |
| 31 | /** |
| 32 | * This class acts as a container for the action bar view and action mode context views. |
| 33 | * It applies special styles as needed to help handle animated transitions between them. |
| 34 | * @hide |
| 35 | */ |
| 36 | public class ActionBarContainer extends FrameLayout { |
Adam Powell | 01feaee | 2011-02-10 15:05:05 -0800 | [diff] [blame] | 37 | private boolean mIsTransitioning; |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 38 | private View mTabContainer; |
Adam Powell | 310849a | 2011-06-08 20:07:17 -0700 | [diff] [blame] | 39 | private ActionBarView mActionBarView; |
Adam Powell | 01feaee | 2011-02-10 15:05:05 -0800 | [diff] [blame] | 40 | |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 41 | private Drawable mBackground; |
| 42 | private Drawable mStackedBackground; |
| 43 | private Drawable mSplitBackground; |
| 44 | private boolean mIsSplit; |
| 45 | private boolean mIsStacked; |
| 46 | |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 47 | public ActionBarContainer(Context context) { |
| 48 | this(context, null); |
| 49 | } |
| 50 | |
| 51 | public ActionBarContainer(Context context, AttributeSet attrs) { |
| 52 | super(context, attrs); |
| 53 | |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 54 | setBackgroundDrawable(null); |
| 55 | |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 56 | TypedArray a = context.obtainStyledAttributes(attrs, |
| 57 | com.android.internal.R.styleable.ActionBar); |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 58 | mBackground = a.getDrawable(com.android.internal.R.styleable.ActionBar_background); |
| 59 | mStackedBackground = a.getDrawable( |
| 60 | com.android.internal.R.styleable.ActionBar_backgroundStacked); |
| 61 | |
| 62 | if (getId() == com.android.internal.R.id.split_action_bar) { |
| 63 | mIsSplit = true; |
| 64 | mSplitBackground = a.getDrawable( |
| 65 | com.android.internal.R.styleable.ActionBar_backgroundSplit); |
| 66 | } |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 67 | a.recycle(); |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 68 | |
| 69 | setWillNotDraw(mIsSplit ? mSplitBackground == null : |
| 70 | mBackground == null && mStackedBackground == null); |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 71 | } |
Adam Powell | 6ecf3d1 | 2010-12-19 13:14:58 -0800 | [diff] [blame] | 72 | |
Adam Powell | 310849a | 2011-06-08 20:07:17 -0700 | [diff] [blame] | 73 | @Override |
| 74 | public void onFinishInflate() { |
| 75 | super.onFinishInflate(); |
| 76 | mActionBarView = (ActionBarView) findViewById(com.android.internal.R.id.action_bar); |
| 77 | } |
| 78 | |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 79 | public void setPrimaryBackground(Drawable bg) { |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 80 | if (mBackground != null) { |
| 81 | mBackground.setCallback(null); |
| 82 | unscheduleDrawable(mBackground); |
| 83 | } |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 84 | mBackground = bg; |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 85 | if (bg != null) { |
| 86 | bg.setCallback(this); |
Adam Powell | e8c8ae4 | 2013-02-08 17:32:24 -0800 | [diff] [blame] | 87 | if (mActionBarView != null) { |
| 88 | mBackground.setBounds(mActionBarView.getLeft(), mActionBarView.getTop(), |
| 89 | mActionBarView.getRight(), mActionBarView.getBottom()); |
| 90 | } |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 91 | } |
| 92 | setWillNotDraw(mIsSplit ? mSplitBackground == null : |
| 93 | mBackground == null && mStackedBackground == null); |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 94 | invalidate(); |
| 95 | } |
| 96 | |
| 97 | public void setStackedBackground(Drawable bg) { |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 98 | if (mStackedBackground != null) { |
| 99 | mStackedBackground.setCallback(null); |
| 100 | unscheduleDrawable(mStackedBackground); |
| 101 | } |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 102 | mStackedBackground = bg; |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 103 | if (bg != null) { |
| 104 | bg.setCallback(this); |
Adam Powell | e8c8ae4 | 2013-02-08 17:32:24 -0800 | [diff] [blame] | 105 | if ((mIsStacked && mStackedBackground != null)) { |
| 106 | mStackedBackground.setBounds(mTabContainer.getLeft(), mTabContainer.getTop(), |
| 107 | mTabContainer.getRight(), mTabContainer.getBottom()); |
| 108 | } |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 109 | } |
| 110 | setWillNotDraw(mIsSplit ? mSplitBackground == null : |
| 111 | mBackground == null && mStackedBackground == null); |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 112 | invalidate(); |
| 113 | } |
| 114 | |
| 115 | public void setSplitBackground(Drawable bg) { |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 116 | if (mSplitBackground != null) { |
| 117 | mSplitBackground.setCallback(null); |
| 118 | unscheduleDrawable(mSplitBackground); |
| 119 | } |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 120 | mSplitBackground = bg; |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 121 | if (bg != null) { |
| 122 | bg.setCallback(this); |
Adam Powell | e8c8ae4 | 2013-02-08 17:32:24 -0800 | [diff] [blame] | 123 | if (mIsSplit && mSplitBackground != null) { |
| 124 | mSplitBackground.setBounds(0, 0, getMeasuredWidth(), getMeasuredHeight()); |
| 125 | } |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 126 | } |
| 127 | setWillNotDraw(mIsSplit ? mSplitBackground == null : |
| 128 | mBackground == null && mStackedBackground == null); |
Adam Powell | f88b915 | 2011-09-07 14:54:32 -0700 | [diff] [blame] | 129 | invalidate(); |
| 130 | } |
| 131 | |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 132 | @Override |
| 133 | public void setVisibility(int visibility) { |
| 134 | super.setVisibility(visibility); |
| 135 | final boolean isVisible = visibility == VISIBLE; |
| 136 | if (mBackground != null) mBackground.setVisible(isVisible, false); |
| 137 | if (mStackedBackground != null) mStackedBackground.setVisible(isVisible, false); |
| 138 | if (mSplitBackground != null) mSplitBackground.setVisible(isVisible, false); |
| 139 | } |
| 140 | |
| 141 | @Override |
| 142 | protected boolean verifyDrawable(Drawable who) { |
| 143 | return (who == mBackground && !mIsSplit) || (who == mStackedBackground && mIsStacked) || |
| 144 | (who == mSplitBackground && mIsSplit) || super.verifyDrawable(who); |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | protected void drawableStateChanged() { |
| 149 | super.drawableStateChanged(); |
| 150 | if (mBackground != null && mBackground.isStateful()) { |
| 151 | mBackground.setState(getDrawableState()); |
| 152 | } |
| 153 | if (mStackedBackground != null && mStackedBackground.isStateful()) { |
| 154 | mStackedBackground.setState(getDrawableState()); |
| 155 | } |
| 156 | if (mSplitBackground != null && mSplitBackground.isStateful()) { |
| 157 | mSplitBackground.setState(getDrawableState()); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public void jumpDrawablesToCurrentState() { |
| 163 | super.jumpDrawablesToCurrentState(); |
| 164 | if (mBackground != null) { |
| 165 | mBackground.jumpToCurrentState(); |
| 166 | } |
| 167 | if (mStackedBackground != null) { |
| 168 | mStackedBackground.jumpToCurrentState(); |
| 169 | } |
| 170 | if (mSplitBackground != null) { |
| 171 | mSplitBackground.jumpToCurrentState(); |
| 172 | } |
| 173 | } |
| 174 | |
Fabrice Di Meglio | 4457e85 | 2012-09-18 19:23:12 -0700 | [diff] [blame] | 175 | /** |
| 176 | * @hide |
| 177 | */ |
Adam Powell | a7cc06d | 2012-08-01 16:31:23 -0700 | [diff] [blame] | 178 | @Override |
| 179 | public void onResolveDrawables(int layoutDirection) { |
| 180 | super.onResolveDrawables(layoutDirection); |
| 181 | if (mBackground != null) { |
| 182 | mBackground.setLayoutDirection(layoutDirection); |
| 183 | } |
| 184 | if (mStackedBackground != null) { |
| 185 | mStackedBackground.setLayoutDirection(layoutDirection); |
| 186 | } |
| 187 | if (mSplitBackground != null) { |
| 188 | mSplitBackground.setLayoutDirection(layoutDirection); |
| 189 | } |
| 190 | } |
| 191 | |
Adam Powell | 01feaee | 2011-02-10 15:05:05 -0800 | [diff] [blame] | 192 | /** |
| 193 | * Set the action bar into a "transitioning" state. While transitioning |
| 194 | * the bar will block focus and touch from all of its descendants. This |
| 195 | * prevents the user from interacting with the bar while it is animating |
| 196 | * in or out. |
| 197 | * |
| 198 | * @param isTransitioning true if the bar is currently transitioning, false otherwise. |
| 199 | */ |
| 200 | public void setTransitioning(boolean isTransitioning) { |
| 201 | mIsTransitioning = isTransitioning; |
| 202 | setDescendantFocusability(isTransitioning ? FOCUS_BLOCK_DESCENDANTS |
| 203 | : FOCUS_AFTER_DESCENDANTS); |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public boolean onInterceptTouchEvent(MotionEvent ev) { |
| 208 | return mIsTransitioning || super.onInterceptTouchEvent(ev); |
| 209 | } |
| 210 | |
Adam Powell | 6ecf3d1 | 2010-12-19 13:14:58 -0800 | [diff] [blame] | 211 | @Override |
| 212 | public boolean onTouchEvent(MotionEvent ev) { |
| 213 | super.onTouchEvent(ev); |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 214 | |
| 215 | // An action bar always eats touch events. |
Adam Powell | 6ecf3d1 | 2010-12-19 13:14:58 -0800 | [diff] [blame] | 216 | return true; |
| 217 | } |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 218 | |
Adam Powell | 7d09f04 | 2011-10-10 11:15:56 -0700 | [diff] [blame] | 219 | @Override |
| 220 | public boolean onHoverEvent(MotionEvent ev) { |
| 221 | super.onHoverEvent(ev); |
| 222 | |
| 223 | // An action bar always eats hover events. |
| 224 | return true; |
| 225 | } |
| 226 | |
Adam Powell | f5645cb | 2011-08-10 22:49:02 -0700 | [diff] [blame] | 227 | public void setTabContainer(ScrollingTabContainerView tabView) { |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 228 | if (mTabContainer != null) { |
| 229 | removeView(mTabContainer); |
| 230 | } |
| 231 | mTabContainer = tabView; |
Adam Powell | 25151e4 | 2011-05-26 15:44:59 -0700 | [diff] [blame] | 232 | if (tabView != null) { |
| 233 | addView(tabView); |
Adam Powell | af6b97e | 2011-08-11 17:40:57 -0700 | [diff] [blame] | 234 | final ViewGroup.LayoutParams lp = tabView.getLayoutParams(); |
| 235 | lp.width = LayoutParams.MATCH_PARENT; |
| 236 | lp.height = LayoutParams.WRAP_CONTENT; |
Adam Powell | f5645cb | 2011-08-10 22:49:02 -0700 | [diff] [blame] | 237 | tabView.setAllowCollapse(false); |
Adam Powell | 25151e4 | 2011-05-26 15:44:59 -0700 | [diff] [blame] | 238 | } |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | public View getTabContainer() { |
| 242 | return mTabContainer; |
| 243 | } |
| 244 | |
| 245 | @Override |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 246 | public void onDraw(Canvas canvas) { |
| 247 | if (getWidth() == 0 || getHeight() == 0) { |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | if (mIsSplit) { |
| 252 | if (mSplitBackground != null) mSplitBackground.draw(canvas); |
| 253 | } else { |
| 254 | if (mBackground != null) { |
| 255 | mBackground.draw(canvas); |
| 256 | } |
| 257 | if (mStackedBackground != null && mIsStacked) { |
| 258 | mStackedBackground.draw(canvas); |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | @Override |
Adam Powell | 640a66e | 2011-04-29 10:18:53 -0700 | [diff] [blame] | 264 | public ActionMode startActionModeForChild(View child, ActionMode.Callback callback) { |
| 265 | // No starting an action mode for an action bar child! (Where would it go?) |
| 266 | return null; |
| 267 | } |
| 268 | |
| 269 | @Override |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 270 | public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| 271 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
Adam Powell | d21aa12 | 2011-05-27 13:09:52 -0700 | [diff] [blame] | 272 | |
Adam Powell | f6ce6a9 | 2011-06-29 10:25:01 -0700 | [diff] [blame] | 273 | if (mActionBarView == null) return; |
Adam Powell | 310849a | 2011-06-08 20:07:17 -0700 | [diff] [blame] | 274 | |
Adam Powell | f6ce6a9 | 2011-06-29 10:25:01 -0700 | [diff] [blame] | 275 | final LayoutParams lp = (LayoutParams) mActionBarView.getLayoutParams(); |
| 276 | final int actionBarViewHeight = mActionBarView.isCollapsed() ? 0 : |
| 277 | mActionBarView.getMeasuredHeight() + lp.topMargin + lp.bottomMargin; |
Adam Powell | d21aa12 | 2011-05-27 13:09:52 -0700 | [diff] [blame] | 278 | |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 279 | if (mTabContainer != null && mTabContainer.getVisibility() != GONE) { |
| 280 | final int mode = MeasureSpec.getMode(heightMeasureSpec); |
| 281 | if (mode == MeasureSpec.AT_MOST) { |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 282 | final int maxHeight = MeasureSpec.getSize(heightMeasureSpec); |
| 283 | setMeasuredDimension(getMeasuredWidth(), |
Adam Powell | f6ce6a9 | 2011-06-29 10:25:01 -0700 | [diff] [blame] | 284 | Math.min(actionBarViewHeight + mTabContainer.getMeasuredHeight(), |
| 285 | maxHeight)); |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | @Override |
| 291 | public void onLayout(boolean changed, int l, int t, int r, int b) { |
| 292 | super.onLayout(changed, l, t, r, b); |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 293 | |
| 294 | final boolean hasTabs = mTabContainer != null && mTabContainer.getVisibility() != GONE; |
| 295 | |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 296 | if (mTabContainer != null && mTabContainer.getVisibility() != GONE) { |
| 297 | final int containerHeight = getMeasuredHeight(); |
Adam Powell | 310849a | 2011-06-08 20:07:17 -0700 | [diff] [blame] | 298 | final int tabHeight = mTabContainer.getMeasuredHeight(); |
Adam Powell | 32fa567 | 2013-06-17 14:16:02 -0700 | [diff] [blame] | 299 | mTabContainer.layout(l, containerHeight - tabHeight, r, containerHeight); |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 300 | } |
Adam Powell | a72ef62 | 2011-07-06 22:53:11 -0700 | [diff] [blame] | 301 | |
| 302 | boolean needsInvalidate = false; |
| 303 | if (mIsSplit) { |
| 304 | if (mSplitBackground != null) { |
| 305 | mSplitBackground.setBounds(0, 0, getMeasuredWidth(), getMeasuredHeight()); |
| 306 | needsInvalidate = true; |
| 307 | } |
| 308 | } else { |
| 309 | if (mBackground != null) { |
| 310 | mBackground.setBounds(mActionBarView.getLeft(), mActionBarView.getTop(), |
| 311 | mActionBarView.getRight(), mActionBarView.getBottom()); |
| 312 | needsInvalidate = true; |
| 313 | } |
| 314 | if ((mIsStacked = hasTabs && mStackedBackground != null)) { |
| 315 | mStackedBackground.setBounds(mTabContainer.getLeft(), mTabContainer.getTop(), |
| 316 | mTabContainer.getRight(), mTabContainer.getBottom()); |
| 317 | needsInvalidate = true; |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | if (needsInvalidate) { |
| 322 | invalidate(); |
| 323 | } |
Adam Powell | dae7824 | 2011-04-25 15:23:41 -0700 | [diff] [blame] | 324 | } |
Adam Powell | 45f1e08 | 2010-12-10 14:20:13 -0800 | [diff] [blame] | 325 | } |