Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | |
| 19 | import android.animation.Animator; |
| 20 | import android.animation.AnimatorListenerAdapter; |
| 21 | import android.animation.AnimatorSet; |
| 22 | import android.animation.ObjectAnimator; |
| 23 | import android.content.Context; |
| 24 | import android.graphics.Color; |
| 25 | import android.graphics.Point; |
| 26 | import android.graphics.Rect; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 27 | import android.graphics.Region; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 28 | import android.graphics.drawable.ColorDrawable; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 29 | import android.util.Size; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 30 | import android.view.Gravity; |
| 31 | import android.view.LayoutInflater; |
| 32 | import android.view.Menu; |
| 33 | import android.view.MenuItem; |
| 34 | import android.view.View; |
| 35 | import android.view.View.MeasureSpec; |
| 36 | import android.view.ViewGroup; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 37 | import android.view.ViewTreeObserver; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 38 | import android.view.Window; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 39 | import android.view.WindowManager; |
| 40 | import android.view.animation.Animation; |
| 41 | import android.view.animation.AnimationSet; |
| 42 | import android.view.animation.Transformation; |
| 43 | import android.widget.AdapterView; |
| 44 | import android.widget.ArrayAdapter; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 45 | import android.widget.Button; |
| 46 | import android.widget.ImageButton; |
| 47 | import android.widget.LinearLayout; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 48 | import android.widget.ListView; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 49 | import android.widget.PopupWindow; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 50 | import android.widget.TextView; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 51 | |
| 52 | import java.util.ArrayList; |
| 53 | import java.util.LinkedList; |
| 54 | import java.util.List; |
| 55 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 56 | import com.android.internal.R; |
| 57 | import com.android.internal.util.Preconditions; |
| 58 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 59 | /** |
| 60 | * A floating toolbar for showing contextual menu items. |
| 61 | * This view shows as many menu item buttons as can fit in the horizontal toolbar and the |
| 62 | * the remaining menu items in a vertical overflow view when the overflow button is clicked. |
| 63 | * The horizontal toolbar morphs into the vertical overflow view. |
| 64 | */ |
| 65 | public final class FloatingToolbar { |
| 66 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 67 | // This class is responsible for the public API of the floating toolbar. |
| 68 | // It delegates rendering operations to the FloatingToolbarPopup. |
| 69 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 70 | private static final MenuItem.OnMenuItemClickListener NO_OP_MENUITEM_CLICK_LISTENER = |
| 71 | new MenuItem.OnMenuItemClickListener() { |
| 72 | @Override |
| 73 | public boolean onMenuItemClick(MenuItem item) { |
| 74 | return false; |
| 75 | } |
| 76 | }; |
| 77 | |
| 78 | private final Context mContext; |
| 79 | private final FloatingToolbarPopup mPopup; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 80 | |
| 81 | private final Rect mContentRect = new Rect(); |
| 82 | private final Point mCoordinates = new Point(); |
| 83 | |
| 84 | private Menu mMenu; |
| 85 | private List<CharSequence> mShowingTitles = new ArrayList<CharSequence>(); |
| 86 | private MenuItem.OnMenuItemClickListener mMenuItemClickListener = NO_OP_MENUITEM_CLICK_LISTENER; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 87 | |
| 88 | private int mSuggestedWidth; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 89 | private boolean mWidthChanged = true; |
| 90 | private int mOverflowDirection; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 91 | |
| 92 | /** |
| 93 | * Initializes a floating toolbar. |
| 94 | */ |
| 95 | public FloatingToolbar(Context context, Window window) { |
| 96 | mContext = Preconditions.checkNotNull(context); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 97 | mPopup = new FloatingToolbarPopup(window.getDecorView()); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Sets the menu to be shown in this floating toolbar. |
| 102 | * NOTE: Call {@link #updateLayout()} or {@link #show()} to effect visual changes to the |
| 103 | * toolbar. |
| 104 | */ |
| 105 | public FloatingToolbar setMenu(Menu menu) { |
| 106 | mMenu = Preconditions.checkNotNull(menu); |
| 107 | return this; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Sets the custom listener for invocation of menu items in this floating |
| 112 | * toolbar. |
| 113 | */ |
| 114 | public FloatingToolbar setOnMenuItemClickListener( |
| 115 | MenuItem.OnMenuItemClickListener menuItemClickListener) { |
| 116 | if (menuItemClickListener != null) { |
| 117 | mMenuItemClickListener = menuItemClickListener; |
| 118 | } else { |
| 119 | mMenuItemClickListener = NO_OP_MENUITEM_CLICK_LISTENER; |
| 120 | } |
| 121 | return this; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Sets the content rectangle. This is the area of the interesting content that this toolbar |
| 126 | * should avoid obstructing. |
| 127 | * NOTE: Call {@link #updateLayout()} or {@link #show()} to effect visual changes to the |
| 128 | * toolbar. |
| 129 | */ |
| 130 | public FloatingToolbar setContentRect(Rect rect) { |
| 131 | mContentRect.set(Preconditions.checkNotNull(rect)); |
| 132 | return this; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Sets the suggested width of this floating toolbar. |
| 137 | * The actual width will be about this size but there are no guarantees that it will be exactly |
| 138 | * the suggested width. |
| 139 | * NOTE: Call {@link #updateLayout()} or {@link #show()} to effect visual changes to the |
| 140 | * toolbar. |
| 141 | */ |
| 142 | public FloatingToolbar setSuggestedWidth(int suggestedWidth) { |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 143 | // Check if there's been a substantial width spec change. |
| 144 | int difference = Math.abs(suggestedWidth - mSuggestedWidth); |
| 145 | mWidthChanged = difference > (mSuggestedWidth * 0.2); |
| 146 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 147 | mSuggestedWidth = suggestedWidth; |
| 148 | return this; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Shows this floating toolbar. |
| 153 | */ |
| 154 | public FloatingToolbar show() { |
| 155 | List<MenuItem> menuItems = getVisibleAndEnabledMenuItems(mMenu); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 156 | if (!isCurrentlyShowing(menuItems) || mWidthChanged) { |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 157 | mPopup.dismiss(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 158 | mPopup.layoutMenuItems(menuItems, mMenuItemClickListener, mSuggestedWidth); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 159 | mShowingTitles = getMenuItemTitles(menuItems); |
| 160 | } |
| 161 | refreshCoordinates(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 162 | mPopup.setOverflowDirection(mOverflowDirection); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 163 | mPopup.updateCoordinates(mCoordinates.x, mCoordinates.y); |
| 164 | if (!mPopup.isShowing()) { |
| 165 | mPopup.show(mCoordinates.x, mCoordinates.y); |
| 166 | } |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 167 | mWidthChanged = false; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 168 | return this; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Updates this floating toolbar to reflect recent position and view updates. |
| 173 | * NOTE: This method is a no-op if the toolbar isn't showing. |
| 174 | */ |
| 175 | public FloatingToolbar updateLayout() { |
| 176 | if (mPopup.isShowing()) { |
| 177 | // show() performs all the logic we need here. |
| 178 | show(); |
| 179 | } |
| 180 | return this; |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Dismisses this floating toolbar. |
| 185 | */ |
| 186 | public void dismiss() { |
| 187 | mPopup.dismiss(); |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Returns {@code true} if this popup is currently showing. {@code false} otherwise. |
| 192 | */ |
| 193 | public boolean isShowing() { |
| 194 | return mPopup.isShowing(); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Refreshes {@link #mCoordinates} with values based on {@link #mContentRect}. |
| 199 | */ |
| 200 | private void refreshCoordinates() { |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 201 | int x = mContentRect.centerX() - mPopup.getWidth() / 2; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 202 | int y; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 203 | if (mContentRect.top > mPopup.getHeight()) { |
| 204 | y = mContentRect.top - mPopup.getHeight(); |
| 205 | mOverflowDirection = FloatingToolbarPopup.OVERFLOW_DIRECTION_UP; |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 206 | } else if (mContentRect.top > mPopup.getToolbarHeightWithVerticalMargin()) { |
| 207 | y = mContentRect.top - mPopup.getToolbarHeightWithVerticalMargin(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 208 | mOverflowDirection = FloatingToolbarPopup.OVERFLOW_DIRECTION_DOWN; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 209 | } else { |
| 210 | y = mContentRect.bottom; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 211 | mOverflowDirection = FloatingToolbarPopup.OVERFLOW_DIRECTION_DOWN; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 212 | } |
| 213 | mCoordinates.set(x, y); |
| 214 | } |
| 215 | |
| 216 | /** |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 217 | * Returns true if this floating toolbar is currently showing the specified menu items. |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 218 | */ |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 219 | private boolean isCurrentlyShowing(List<MenuItem> menuItems) { |
| 220 | return mShowingTitles.equals(getMenuItemTitles(menuItems)); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Returns the visible and enabled menu items in the specified menu. |
| 225 | * This method is recursive. |
| 226 | */ |
| 227 | private List<MenuItem> getVisibleAndEnabledMenuItems(Menu menu) { |
| 228 | List<MenuItem> menuItems = new ArrayList<MenuItem>(); |
| 229 | for (int i = 0; (menu != null) && (i < menu.size()); i++) { |
| 230 | MenuItem menuItem = menu.getItem(i); |
| 231 | if (menuItem.isVisible() && menuItem.isEnabled()) { |
| 232 | Menu subMenu = menuItem.getSubMenu(); |
| 233 | if (subMenu != null) { |
| 234 | menuItems.addAll(getVisibleAndEnabledMenuItems(subMenu)); |
| 235 | } else { |
| 236 | menuItems.add(menuItem); |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | return menuItems; |
| 241 | } |
| 242 | |
| 243 | private List<CharSequence> getMenuItemTitles(List<MenuItem> menuItems) { |
| 244 | List<CharSequence> titles = new ArrayList<CharSequence>(); |
| 245 | for (MenuItem menuItem : menuItems) { |
| 246 | titles.add(menuItem.getTitle()); |
| 247 | } |
| 248 | return titles; |
| 249 | } |
| 250 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 251 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 252 | /** |
| 253 | * A popup window used by the floating toolbar. |
| 254 | * |
| 255 | * This class is responsible for the rendering/animation of the floating toolbar. |
| 256 | * It can hold one of 2 panels (i.e. main panel and overflow panel) at a time. |
| 257 | * It delegates specific panel functionality to the appropriate panel. |
| 258 | */ |
| 259 | private static final class FloatingToolbarPopup { |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 260 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 261 | public static final int OVERFLOW_DIRECTION_UP = 0; |
| 262 | public static final int OVERFLOW_DIRECTION_DOWN = 1; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 263 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 264 | private final View mParent; |
| 265 | private final PopupWindow mPopupWindow; |
| 266 | private final ViewGroup mContentContainer; |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 267 | private final int mMarginHorizontal; |
| 268 | private final int mMarginVertical; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 269 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 270 | private final Animation.AnimationListener mOnOverflowOpened = |
| 271 | new Animation.AnimationListener() { |
| 272 | @Override |
| 273 | public void onAnimationStart(Animation animation) {} |
| 274 | |
| 275 | @Override |
| 276 | public void onAnimationEnd(Animation animation) { |
| 277 | // This animation should never be run if the overflow panel has not been |
| 278 | // initialized. |
| 279 | Preconditions.checkNotNull(mOverflowPanel); |
| 280 | mContentContainer.removeAllViews(); |
| 281 | mContentContainer.addView(mOverflowPanel.getView()); |
| 282 | mOverflowPanel.fadeIn(true); |
| 283 | setContentAreaAsTouchableSurface(); |
| 284 | } |
| 285 | |
| 286 | @Override |
| 287 | public void onAnimationRepeat(Animation animation) {} |
| 288 | }; |
| 289 | private final Animation.AnimationListener mOnOverflowClosed = |
| 290 | new Animation.AnimationListener() { |
| 291 | @Override |
| 292 | public void onAnimationStart(Animation animation) {} |
| 293 | |
| 294 | @Override |
| 295 | public void onAnimationEnd(Animation animation) { |
| 296 | // This animation should never be run if the main panel has not been |
| 297 | // initialized. |
| 298 | Preconditions.checkNotNull(mMainPanel); |
| 299 | mContentContainer.removeAllViews(); |
| 300 | mContentContainer.addView(mMainPanel.getView()); |
| 301 | mMainPanel.fadeIn(true); |
| 302 | setContentAreaAsTouchableSurface(); |
| 303 | } |
| 304 | |
| 305 | @Override |
| 306 | public void onAnimationRepeat(Animation animation) { |
| 307 | } |
| 308 | }; |
| 309 | private final AnimatorSet mGrowFadeInFromBottomAnimation; |
| 310 | private final AnimatorSet mShrinkFadeOutFromBottomAnimation; |
| 311 | |
| 312 | private final Runnable mOpenOverflow = new Runnable() { |
| 313 | @Override |
| 314 | public void run() { |
| 315 | openOverflow(); |
| 316 | } |
| 317 | }; |
| 318 | private final Runnable mCloseOverflow = new Runnable() { |
| 319 | @Override |
| 320 | public void run() { |
| 321 | closeOverflow(); |
| 322 | } |
| 323 | }; |
| 324 | |
| 325 | private final Region mTouchableRegion = new Region(); |
| 326 | |
| 327 | private boolean mDismissAnimating; |
| 328 | |
| 329 | private FloatingToolbarOverflowPanel mOverflowPanel; |
| 330 | private FloatingToolbarMainPanel mMainPanel; |
| 331 | private int mOverflowDirection; |
| 332 | |
| 333 | /** |
| 334 | * Initializes a new floating toolbar popup. |
| 335 | * |
| 336 | * @param parent A parent view to get the {@link android.view.View#getWindowToken()} token |
| 337 | * from. |
| 338 | */ |
| 339 | public FloatingToolbarPopup(View parent) { |
| 340 | mParent = Preconditions.checkNotNull(parent); |
| 341 | mContentContainer = createContentContainer(parent.getContext()); |
| 342 | mPopupWindow = createPopupWindow(mContentContainer); |
| 343 | mGrowFadeInFromBottomAnimation = createGrowFadeInFromBottom(mContentContainer); |
| 344 | mShrinkFadeOutFromBottomAnimation = createShrinkFadeOutFromBottomAnimation( |
| 345 | mContentContainer, |
| 346 | new AnimatorListenerAdapter() { |
| 347 | @Override |
| 348 | public void onAnimationEnd(Animator animation) { |
| 349 | mPopupWindow.dismiss(); |
| 350 | mDismissAnimating = false; |
| 351 | setMainPanelAsContent(); |
| 352 | } |
| 353 | }); |
| 354 | // Make the touchable area of this popup be the area specified by mTouchableRegion. |
| 355 | mPopupWindow.getContentView() |
| 356 | .getRootView() |
| 357 | .getViewTreeObserver() |
| 358 | .addOnComputeInternalInsetsListener( |
| 359 | new ViewTreeObserver.OnComputeInternalInsetsListener() { |
| 360 | public void onComputeInternalInsets( |
| 361 | ViewTreeObserver.InternalInsetsInfo info) { |
| 362 | info.contentInsets.setEmpty(); |
| 363 | info.visibleInsets.setEmpty(); |
| 364 | info.touchableRegion.set(mTouchableRegion); |
| 365 | info.setTouchableInsets(ViewTreeObserver.InternalInsetsInfo |
| 366 | .TOUCHABLE_INSETS_REGION); |
| 367 | } |
| 368 | }); |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 369 | mMarginHorizontal = parent.getResources() |
| 370 | .getDimensionPixelSize(R.dimen.floating_toolbar_horizontal_margin); |
| 371 | mMarginVertical = parent.getResources() |
| 372 | .getDimensionPixelSize(R.dimen.floating_toolbar_vertical_margin); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Lays out buttons for the specified menu items. |
| 377 | */ |
| 378 | public void layoutMenuItems(List<MenuItem> menuItems, |
| 379 | MenuItem.OnMenuItemClickListener menuItemClickListener, int suggestedWidth) { |
| 380 | mContentContainer.removeAllViews(); |
| 381 | if (mMainPanel == null) { |
| 382 | mMainPanel = new FloatingToolbarMainPanel(mParent.getContext(), mOpenOverflow); |
| 383 | } |
| 384 | List<MenuItem> overflowMenuItems = |
| 385 | mMainPanel.layoutMenuItems(menuItems, suggestedWidth); |
| 386 | mMainPanel.setOnMenuItemClickListener(menuItemClickListener); |
| 387 | if (!overflowMenuItems.isEmpty()) { |
| 388 | if (mOverflowPanel == null) { |
| 389 | mOverflowPanel = |
| 390 | new FloatingToolbarOverflowPanel(mParent.getContext(), mCloseOverflow); |
| 391 | } |
| 392 | mOverflowPanel.setMenuItems(overflowMenuItems); |
| 393 | mOverflowPanel.setOnMenuItemClickListener(menuItemClickListener); |
| 394 | } |
| 395 | updatePopupSize(); |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Shows this popup at the specified coordinates. |
| 400 | * The specified coordinates may be adjusted to make sure the popup is entirely on-screen. |
| 401 | */ |
| 402 | public void show(int x, int y) { |
| 403 | if (isShowing()) { |
| 404 | return; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 405 | } |
| 406 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 407 | stopDismissAnimation(); |
| 408 | preparePopupContent(); |
| 409 | mPopupWindow.showAtLocation(mParent, Gravity.NO_GRAVITY, x, y); |
| 410 | growFadeInFromBottom(); |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Gets rid of this popup. If the popup isn't currently showing, this will be a no-op. |
| 415 | */ |
| 416 | public void dismiss() { |
| 417 | if (!isShowing()) { |
| 418 | return; |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 419 | } |
| 420 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 421 | mDismissAnimating = true; |
| 422 | shrinkFadeOutFromBottom(); |
| 423 | setZeroTouchableSurface(); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Returns {@code true} if this popup is currently showing. {@code false} otherwise. |
| 428 | */ |
| 429 | public boolean isShowing() { |
| 430 | return mPopupWindow.isShowing() && !mDismissAnimating; |
| 431 | } |
| 432 | |
| 433 | /** |
| 434 | * Updates the coordinates of this popup. |
| 435 | * The specified coordinates may be adjusted to make sure the popup is entirely on-screen. |
| 436 | */ |
| 437 | public void updateCoordinates(int x, int y) { |
| 438 | if (mDismissAnimating) { |
| 439 | // Already being dismissed. Ignore. |
| 440 | return; |
| 441 | } |
| 442 | |
| 443 | preparePopupContent(); |
| 444 | mPopupWindow.update(x, y, getWidth(), getHeight()); |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * Sets the direction in which the overflow will open. i.e. up or down. |
| 449 | * |
| 450 | * @param overflowDirection Either {@link #OVERFLOW_DIRECTION_UP} |
| 451 | * or {@link #OVERFLOW_DIRECTION_DOWN}. |
| 452 | */ |
| 453 | public void setOverflowDirection(int overflowDirection) { |
| 454 | mOverflowDirection = overflowDirection; |
| 455 | if (mOverflowPanel != null) { |
| 456 | mOverflowPanel.setOverflowDirection(mOverflowDirection); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 457 | } |
| 458 | } |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 459 | |
| 460 | /** |
| 461 | * Returns the width of this popup. |
| 462 | */ |
| 463 | public int getWidth() { |
| 464 | return mPopupWindow.getWidth(); |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * Returns the height of this popup. |
| 469 | */ |
| 470 | public int getHeight() { |
| 471 | return mPopupWindow.getHeight(); |
| 472 | } |
| 473 | |
| 474 | /** |
| 475 | * Returns the context this popup is running in. |
| 476 | */ |
| 477 | public Context getContext() { |
| 478 | return mContentContainer.getContext(); |
| 479 | } |
| 480 | |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 481 | int getToolbarHeightWithVerticalMargin() { |
| 482 | return getEstimatedToolbarHeight(mParent.getContext()) + mMarginVertical * 2; |
| 483 | } |
| 484 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 485 | /** |
| 486 | * Performs the "grow and fade in from the bottom" animation on the floating popup. |
| 487 | */ |
| 488 | private void growFadeInFromBottom() { |
| 489 | mGrowFadeInFromBottomAnimation.start(); |
| 490 | } |
| 491 | |
| 492 | /** |
| 493 | * Performs the "shrink and fade out from bottom" animation on the floating popup. |
| 494 | */ |
| 495 | private void shrinkFadeOutFromBottom() { |
| 496 | mShrinkFadeOutFromBottomAnimation.start(); |
| 497 | } |
| 498 | |
| 499 | private void stopDismissAnimation() { |
| 500 | mDismissAnimating = false; |
| 501 | mShrinkFadeOutFromBottomAnimation.cancel(); |
| 502 | } |
| 503 | |
| 504 | /** |
| 505 | * Opens the floating toolbar overflow. |
| 506 | * This method should not be called if menu items have not been laid out with |
| 507 | * {@link #layoutMenuItems(List, MenuItem.OnMenuItemClickListener, int)}. |
| 508 | * |
| 509 | * @throws IllegalStateException if called when menu items have not been laid out. |
| 510 | */ |
| 511 | private void openOverflow() { |
| 512 | Preconditions.checkNotNull(mMainPanel); |
| 513 | Preconditions.checkNotNull(mOverflowPanel); |
| 514 | |
| 515 | mMainPanel.fadeOut(true); |
| 516 | Size overflowPanelSize = mOverflowPanel.measure(); |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 517 | final int targetWidth = overflowPanelSize.getWidth(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 518 | final int targetHeight = overflowPanelSize.getHeight(); |
| 519 | final boolean morphUpwards = (mOverflowDirection == OVERFLOW_DIRECTION_UP); |
| 520 | final int startWidth = mContentContainer.getWidth(); |
| 521 | final int startHeight = mContentContainer.getHeight(); |
| 522 | final float startY = mContentContainer.getY(); |
| 523 | final float right = mContentContainer.getX() + mContentContainer.getWidth(); |
| 524 | Animation widthAnimation = new Animation() { |
| 525 | @Override |
| 526 | protected void applyTransformation(float interpolatedTime, Transformation t) { |
| 527 | ViewGroup.LayoutParams params = mContentContainer.getLayoutParams(); |
| 528 | int deltaWidth = (int) (interpolatedTime * (targetWidth - startWidth)); |
| 529 | params.width = startWidth + deltaWidth; |
| 530 | mContentContainer.setLayoutParams(params); |
| 531 | mContentContainer.setX(right - mContentContainer.getWidth()); |
| 532 | } |
| 533 | }; |
| 534 | Animation heightAnimation = new Animation() { |
| 535 | @Override |
| 536 | protected void applyTransformation(float interpolatedTime, Transformation t) { |
| 537 | ViewGroup.LayoutParams params = mContentContainer.getLayoutParams(); |
| 538 | int deltaHeight = (int) (interpolatedTime * (targetHeight - startHeight)); |
| 539 | params.height = startHeight + deltaHeight; |
| 540 | mContentContainer.setLayoutParams(params); |
| 541 | if (morphUpwards) { |
| 542 | float y = startY - (mContentContainer.getHeight() - startHeight); |
| 543 | mContentContainer.setY(y); |
| 544 | } |
| 545 | } |
| 546 | }; |
| 547 | widthAnimation.setDuration(240); |
| 548 | heightAnimation.setDuration(180); |
| 549 | heightAnimation.setStartOffset(60); |
| 550 | AnimationSet animation = new AnimationSet(true); |
| 551 | animation.setAnimationListener(mOnOverflowOpened); |
| 552 | animation.addAnimation(widthAnimation); |
| 553 | animation.addAnimation(heightAnimation); |
| 554 | mContentContainer.startAnimation(animation); |
| 555 | } |
| 556 | |
| 557 | /** |
| 558 | * Opens the floating toolbar overflow. |
| 559 | * This method should not be called if menu items have not been laid out with |
| 560 | * {@link #layoutMenuItems(java.util.List, MenuItem.OnMenuItemClickListener, int)}. |
| 561 | * |
| 562 | * @throws IllegalStateException |
| 563 | */ |
| 564 | private void closeOverflow() { |
| 565 | Preconditions.checkNotNull(mMainPanel); |
| 566 | Preconditions.checkNotNull(mOverflowPanel); |
| 567 | |
| 568 | mOverflowPanel.fadeOut(true); |
| 569 | Size mainPanelSize = mMainPanel.measure(); |
| 570 | final int targetWidth = mainPanelSize.getWidth(); |
| 571 | final int targetHeight = mainPanelSize.getHeight(); |
| 572 | final int startWidth = mContentContainer.getWidth(); |
| 573 | final int startHeight = mContentContainer.getHeight(); |
| 574 | final float right = mContentContainer.getX() + mContentContainer.getWidth(); |
| 575 | final float bottom = mContentContainer.getY() + mContentContainer.getHeight(); |
| 576 | final boolean morphedUpwards = (mOverflowDirection == OVERFLOW_DIRECTION_UP); |
| 577 | Animation widthAnimation = new Animation() { |
| 578 | @Override |
| 579 | protected void applyTransformation(float interpolatedTime, Transformation t) { |
| 580 | ViewGroup.LayoutParams params = mContentContainer.getLayoutParams(); |
| 581 | int deltaWidth = (int) (interpolatedTime * (targetWidth - startWidth)); |
| 582 | params.width = startWidth + deltaWidth; |
| 583 | mContentContainer.setLayoutParams(params); |
| 584 | mContentContainer.setX(right - mContentContainer.getWidth()); |
| 585 | } |
| 586 | }; |
| 587 | Animation heightAnimation = new Animation() { |
| 588 | @Override |
| 589 | protected void applyTransformation(float interpolatedTime, Transformation t) { |
| 590 | ViewGroup.LayoutParams params = mContentContainer.getLayoutParams(); |
| 591 | int deltaHeight = (int) (interpolatedTime * (targetHeight - startHeight)); |
| 592 | params.height = startHeight + deltaHeight; |
| 593 | mContentContainer.setLayoutParams(params); |
| 594 | if (morphedUpwards) { |
| 595 | mContentContainer.setY(bottom - mContentContainer.getHeight()); |
| 596 | } |
| 597 | } |
| 598 | }; |
| 599 | widthAnimation.setDuration(150); |
| 600 | widthAnimation.setStartOffset(150); |
| 601 | heightAnimation.setDuration(210); |
| 602 | AnimationSet animation = new AnimationSet(true); |
| 603 | animation.setAnimationListener(mOnOverflowClosed); |
| 604 | animation.addAnimation(widthAnimation); |
| 605 | animation.addAnimation(heightAnimation); |
| 606 | mContentContainer.startAnimation(animation); |
| 607 | } |
| 608 | |
| 609 | /** |
| 610 | * Prepares the content container for show and update calls. |
| 611 | */ |
| 612 | private void preparePopupContent() { |
| 613 | // Do not call this method if main view panel has not been initialized. |
| 614 | Preconditions.checkNotNull(mMainPanel); |
| 615 | |
| 616 | // If we're yet to show the popup, set the container visibility to zero. |
| 617 | // The "show" animation will make this visible. |
| 618 | if (!mPopupWindow.isShowing()) { |
| 619 | mContentContainer.setAlpha(0); |
| 620 | } |
| 621 | |
| 622 | // Make sure panels are visible. |
| 623 | mMainPanel.fadeIn(false); |
| 624 | if (mOverflowPanel != null) { |
| 625 | mOverflowPanel.fadeIn(false); |
| 626 | } |
| 627 | |
| 628 | // Make sure a panel is set as the content. |
| 629 | if (mContentContainer.getChildCount() == 0) { |
| 630 | mContentContainer.addView(mMainPanel.getView()); |
| 631 | } |
| 632 | |
| 633 | // Make sure the main panel is at the correct position. |
| 634 | if (mContentContainer.getChildAt(0) == mMainPanel.getView()) { |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 635 | float x = mPopupWindow.getWidth() |
| 636 | - (mMainPanel.getView().getMeasuredWidth() + mMarginHorizontal); |
| 637 | mContentContainer.setX(x); |
| 638 | |
| 639 | float y = mMarginVertical; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 640 | if (mOverflowDirection == OVERFLOW_DIRECTION_UP) { |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 641 | y = getHeight() |
| 642 | - (mMainPanel.getView().getMeasuredHeight() + mMarginVertical); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 643 | } |
| 644 | mContentContainer.setY(y); |
| 645 | } |
| 646 | |
| 647 | setContentAreaAsTouchableSurface(); |
| 648 | } |
| 649 | |
| 650 | /** |
| 651 | * Sets the current content to be the main view panel. |
| 652 | */ |
| 653 | private void setMainPanelAsContent() { |
| 654 | mContentContainer.removeAllViews(); |
| 655 | Size mainPanelSize = mMainPanel.measure(); |
| 656 | ViewGroup.LayoutParams params = mContentContainer.getLayoutParams(); |
| 657 | params.width = mainPanelSize.getWidth(); |
| 658 | params.height = mainPanelSize.getHeight(); |
| 659 | mContentContainer.setLayoutParams(params); |
| 660 | mContentContainer.addView(mMainPanel.getView()); |
| 661 | } |
| 662 | |
| 663 | private void updatePopupSize() { |
| 664 | int width = 0; |
| 665 | int height = 0; |
| 666 | if (mMainPanel != null) { |
| 667 | Size mainPanelSize = mMainPanel.measure(); |
| 668 | width = mainPanelSize.getWidth(); |
| 669 | height = mainPanelSize.getHeight(); |
| 670 | } |
| 671 | if (mOverflowPanel != null) { |
| 672 | Size overflowPanelSize = mOverflowPanel.measure(); |
| 673 | width = Math.max(width, overflowPanelSize.getWidth()); |
| 674 | height = Math.max(height, overflowPanelSize.getHeight()); |
| 675 | } |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 676 | mPopupWindow.setWidth(width + mMarginHorizontal * 2); |
| 677 | mPopupWindow.setHeight(height + mMarginVertical * 2); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 678 | } |
| 679 | |
| 680 | /** |
| 681 | * Sets the touchable region of this popup to be zero. This means that all touch events on |
| 682 | * this popup will go through to the surface behind it. |
| 683 | */ |
| 684 | private void setZeroTouchableSurface() { |
| 685 | mTouchableRegion.setEmpty(); |
| 686 | } |
| 687 | |
| 688 | /** |
| 689 | * Sets the touchable region of this popup to be the area occupied by its content. |
| 690 | */ |
| 691 | private void setContentAreaAsTouchableSurface() { |
| 692 | if (!mPopupWindow.isShowing()) { |
| 693 | mContentContainer.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED); |
| 694 | } |
| 695 | int width = mContentContainer.getMeasuredWidth(); |
| 696 | int height = mContentContainer.getMeasuredHeight(); |
| 697 | mTouchableRegion.set( |
| 698 | (int) mContentContainer.getX(), |
| 699 | (int) mContentContainer.getY(), |
| 700 | (int) mContentContainer.getX() + width, |
| 701 | (int) mContentContainer.getY() + height); |
| 702 | } |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 703 | } |
| 704 | |
| 705 | /** |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 706 | * A widget that holds the primary menu items in the floating toolbar. |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 707 | */ |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 708 | private static final class FloatingToolbarMainPanel { |
| 709 | |
| 710 | private final Context mContext; |
| 711 | private final ViewGroup mContentView; |
| 712 | private final View.OnClickListener mMenuItemButtonOnClickListener = |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 713 | new View.OnClickListener() { |
| 714 | @Override |
| 715 | public void onClick(View v) { |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 716 | if (v.getTag() instanceof MenuItem) { |
| 717 | if (mOnMenuItemClickListener != null) { |
| 718 | mOnMenuItemClickListener.onMenuItemClick((MenuItem) v.getTag()); |
| 719 | } |
| 720 | } |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 721 | } |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 722 | }; |
| 723 | private final ViewFader viewFader; |
| 724 | private final Runnable mOpenOverflow; |
| 725 | |
| 726 | private View mOpenOverflowButton; |
| 727 | private MenuItem.OnMenuItemClickListener mOnMenuItemClickListener; |
| 728 | |
| 729 | /** |
| 730 | * Initializes a floating toolbar popup main view panel. |
| 731 | * |
| 732 | * @param context |
| 733 | * @param openOverflow The code that opens the toolbar popup overflow. |
| 734 | */ |
| 735 | public FloatingToolbarMainPanel(Context context, Runnable openOverflow) { |
| 736 | mContext = Preconditions.checkNotNull(context); |
| 737 | mContentView = new LinearLayout(context); |
| 738 | viewFader = new ViewFader(mContentView); |
| 739 | mOpenOverflow = Preconditions.checkNotNull(openOverflow); |
| 740 | } |
| 741 | |
| 742 | /** |
| 743 | * Fits as many menu items in the main panel and returns a list of the menu items that |
| 744 | * were not fit in. |
| 745 | * |
| 746 | * @return The menu items that are not included in this main panel. |
| 747 | */ |
| 748 | public List<MenuItem> layoutMenuItems(List<MenuItem> menuItems, int suggestedWidth) { |
| 749 | final int toolbarWidth = getAdjustedToolbarWidth(mContext, suggestedWidth) |
| 750 | // Reserve space for the "open overflow" button. |
| 751 | - getEstimatedOpenOverflowButtonWidth(mContext); |
| 752 | |
| 753 | int availableWidth = toolbarWidth; |
| 754 | final LinkedList<MenuItem> remainingMenuItems = new LinkedList<MenuItem>(menuItems); |
| 755 | |
| 756 | mContentView.removeAllViews(); |
| 757 | |
| 758 | boolean isFirstItem = true; |
| 759 | while (!remainingMenuItems.isEmpty()) { |
| 760 | final MenuItem menuItem = remainingMenuItems.peek(); |
| 761 | Button menuItemButton = createMenuItemButton(mContext, menuItem); |
| 762 | |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 763 | // Adding additional start padding for the first button to even out button spacing. |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 764 | if (isFirstItem) { |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 765 | menuItemButton.setPaddingRelative( |
| 766 | (int) (1.5 * menuItemButton.getPaddingStart()), |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 767 | menuItemButton.getPaddingTop(), |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 768 | menuItemButton.getPaddingEnd(), |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 769 | menuItemButton.getPaddingBottom()); |
| 770 | isFirstItem = false; |
| 771 | } |
| 772 | |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 773 | // Adding additional end padding for the last button to even out button spacing. |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 774 | if (remainingMenuItems.size() == 1) { |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 775 | menuItemButton.setPaddingRelative( |
| 776 | menuItemButton.getPaddingStart(), |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 777 | menuItemButton.getPaddingTop(), |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 778 | (int) (1.5 * menuItemButton.getPaddingEnd()), |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 779 | menuItemButton.getPaddingBottom()); |
| 780 | } |
| 781 | |
| 782 | menuItemButton.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED); |
| 783 | int menuItemButtonWidth = Math.min(menuItemButton.getMeasuredWidth(), toolbarWidth); |
| 784 | if (menuItemButtonWidth <= availableWidth) { |
| 785 | menuItemButton.setTag(menuItem); |
| 786 | menuItemButton.setOnClickListener(mMenuItemButtonOnClickListener); |
| 787 | mContentView.addView(menuItemButton); |
| 788 | ViewGroup.LayoutParams params = menuItemButton.getLayoutParams(); |
| 789 | params.width = menuItemButtonWidth; |
| 790 | menuItemButton.setLayoutParams(params); |
| 791 | availableWidth -= menuItemButtonWidth; |
| 792 | remainingMenuItems.pop(); |
| 793 | } else { |
| 794 | if (mOpenOverflowButton == null) { |
| 795 | mOpenOverflowButton = (ImageButton) LayoutInflater.from(mContext) |
| 796 | .inflate(R.layout.floating_popup_open_overflow_button, null); |
| 797 | mOpenOverflowButton.setOnClickListener(new View.OnClickListener() { |
| 798 | @Override |
| 799 | public void onClick(View v) { |
| 800 | if (mOpenOverflowButton != null) { |
| 801 | mOpenOverflow.run(); |
| 802 | } |
| 803 | } |
| 804 | }); |
| 805 | } |
| 806 | mContentView.addView(mOpenOverflowButton); |
| 807 | break; |
| 808 | } |
| 809 | } |
| 810 | return remainingMenuItems; |
| 811 | } |
| 812 | |
| 813 | public void setOnMenuItemClickListener(MenuItem.OnMenuItemClickListener listener) { |
| 814 | mOnMenuItemClickListener = listener; |
| 815 | } |
| 816 | |
| 817 | public View getView() { |
| 818 | return mContentView; |
| 819 | } |
| 820 | |
| 821 | public void fadeIn(boolean animate) { |
| 822 | viewFader.fadeIn(animate); |
| 823 | } |
| 824 | |
| 825 | public void fadeOut(boolean animate) { |
| 826 | viewFader.fadeOut(animate); |
| 827 | } |
| 828 | |
| 829 | /** |
| 830 | * Returns how big this panel's view should be. |
| 831 | * This method should only be called when the view has not been attached to a parent |
| 832 | * otherwise it will throw an illegal state. |
| 833 | */ |
| 834 | public Size measure() throws IllegalStateException { |
| 835 | Preconditions.checkState(mContentView.getParent() == null); |
| 836 | mContentView.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED); |
| 837 | return new Size(mContentView.getMeasuredWidth(), mContentView.getMeasuredHeight()); |
| 838 | } |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 839 | } |
| 840 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 841 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 842 | /** |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 843 | * A widget that holds the overflow items in the floating toolbar. |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 844 | */ |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 845 | private static final class FloatingToolbarOverflowPanel { |
| 846 | |
| 847 | private final LinearLayout mContentView; |
| 848 | private final ViewGroup mBackButtonContainer; |
| 849 | private final View mBackButton; |
| 850 | private final ListView mListView; |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 851 | private final TextView mListViewItemWidthCalculator; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 852 | private final ViewFader mViewFader; |
| 853 | private final Runnable mCloseOverflow; |
| 854 | |
| 855 | private MenuItem.OnMenuItemClickListener mOnMenuItemClickListener; |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 856 | private int mOverflowWidth = 0; |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 857 | |
| 858 | /** |
| 859 | * Initializes a floating toolbar popup overflow view panel. |
| 860 | * |
| 861 | * @param context |
| 862 | * @param closeOverflow The code that closes the toolbar popup's overflow. |
| 863 | */ |
| 864 | public FloatingToolbarOverflowPanel(Context context, Runnable closeOverflow) { |
| 865 | mCloseOverflow = Preconditions.checkNotNull(closeOverflow); |
| 866 | |
| 867 | mContentView = new LinearLayout(context); |
| 868 | mContentView.setOrientation(LinearLayout.VERTICAL); |
| 869 | mViewFader = new ViewFader(mContentView); |
| 870 | |
| 871 | mBackButton = LayoutInflater.from(context) |
| 872 | .inflate(R.layout.floating_popup_close_overflow_button, null); |
| 873 | mBackButton.setOnClickListener(new View.OnClickListener() { |
| 874 | @Override |
| 875 | public void onClick(View v) { |
| 876 | mCloseOverflow.run(); |
| 877 | } |
| 878 | }); |
| 879 | mBackButtonContainer = new LinearLayout(context); |
| 880 | mBackButtonContainer.addView(mBackButton); |
| 881 | |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 882 | mListView = createOverflowListView(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 883 | mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { |
| 884 | @Override |
| 885 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| 886 | MenuItem menuItem = (MenuItem) mListView.getAdapter().getItem(position); |
| 887 | if (mOnMenuItemClickListener != null) { |
| 888 | mOnMenuItemClickListener.onMenuItemClick(menuItem); |
| 889 | } |
| 890 | } |
| 891 | }); |
| 892 | |
| 893 | mContentView.addView(mListView); |
| 894 | mContentView.addView(mBackButtonContainer); |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 895 | |
| 896 | mListViewItemWidthCalculator = createOverflowMenuItemButton(context); |
| 897 | mListViewItemWidthCalculator.setLayoutParams(new ViewGroup.LayoutParams( |
| 898 | ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | /** |
| 902 | * Sets the menu items to be displayed in the overflow. |
| 903 | */ |
| 904 | public void setMenuItems(List<MenuItem> menuItems) { |
| 905 | ArrayAdapter overflowListViewAdapter = (ArrayAdapter) mListView.getAdapter(); |
| 906 | overflowListViewAdapter.clear(); |
| 907 | overflowListViewAdapter.addAll(menuItems); |
| 908 | setListViewHeight(); |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 909 | setOverflowWidth(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 910 | } |
| 911 | |
| 912 | public void setOnMenuItemClickListener(MenuItem.OnMenuItemClickListener listener) { |
| 913 | mOnMenuItemClickListener = listener; |
| 914 | } |
| 915 | |
| 916 | /** |
| 917 | * Notifies the overflow of the current direction in which the overflow will be opened. |
| 918 | * |
| 919 | * @param overflowDirection {@link FloatingToolbarPopup#OVERFLOW_DIRECTION_UP} |
| 920 | * or {@link FloatingToolbarPopup#OVERFLOW_DIRECTION_DOWN}. |
| 921 | */ |
| 922 | public void setOverflowDirection(int overflowDirection) { |
| 923 | mContentView.removeView(mBackButtonContainer); |
| 924 | int index = (overflowDirection == FloatingToolbarPopup.OVERFLOW_DIRECTION_UP)? 1 : 0; |
| 925 | mContentView.addView(mBackButtonContainer, index); |
| 926 | } |
| 927 | |
| 928 | /** |
| 929 | * Returns the content view of the overflow. |
| 930 | */ |
| 931 | public View getView() { |
| 932 | return mContentView; |
| 933 | } |
| 934 | |
| 935 | public void fadeIn(boolean animate) { |
| 936 | mViewFader.fadeIn(animate); |
| 937 | } |
| 938 | |
| 939 | public void fadeOut(boolean animate) { |
| 940 | mViewFader.fadeOut(animate); |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * Returns how big this panel's view should be. |
| 945 | * This method should only be called when the view has not been attached to a parent. |
| 946 | * |
| 947 | * @throws IllegalStateException |
| 948 | */ |
| 949 | public Size measure() { |
| 950 | Preconditions.checkState(mContentView.getParent() == null); |
| 951 | mContentView.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED); |
| 952 | return new Size(mContentView.getMeasuredWidth(), mContentView.getMeasuredHeight()); |
| 953 | } |
| 954 | |
| 955 | private void setListViewHeight() { |
| 956 | int itemHeight = getEstimatedToolbarHeight(mContentView.getContext()); |
| 957 | int height = mListView.getAdapter().getCount() * itemHeight; |
| 958 | int maxHeight = mContentView.getContext().getResources(). |
| 959 | getDimensionPixelSize(R.dimen.floating_toolbar_minimum_overflow_height); |
| 960 | ViewGroup.LayoutParams params = mListView.getLayoutParams(); |
| 961 | params.height = Math.min(height, maxHeight); |
| 962 | mListView.setLayoutParams(params); |
| 963 | } |
| 964 | |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 965 | private int setOverflowWidth() { |
| 966 | for (int i = 0; i < mListView.getAdapter().getCount(); i++) { |
| 967 | MenuItem menuItem = (MenuItem) mListView.getAdapter().getItem(i); |
| 968 | Preconditions.checkNotNull(menuItem); |
| 969 | mListViewItemWidthCalculator.setText(menuItem.getTitle()); |
| 970 | mListViewItemWidthCalculator.measure( |
| 971 | MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED); |
| 972 | mOverflowWidth = Math.max( |
| 973 | mListViewItemWidthCalculator.getMeasuredWidth(), mOverflowWidth); |
| 974 | } |
| 975 | return mOverflowWidth; |
| 976 | } |
| 977 | |
| 978 | private ListView createOverflowListView() { |
| 979 | final Context context = mContentView.getContext(); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 980 | final ListView overflowListView = new ListView(context); |
| 981 | overflowListView.setLayoutParams(new ViewGroup.LayoutParams( |
| 982 | ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); |
| 983 | overflowListView.setDivider(null); |
| 984 | overflowListView.setDividerHeight(0); |
| 985 | final ArrayAdapter overflowListViewAdapter = |
| 986 | new ArrayAdapter<MenuItem>(context, 0) { |
| 987 | @Override |
| 988 | public View getView(int position, View convertView, ViewGroup parent) { |
| 989 | TextView menuButton; |
| 990 | if (convertView != null) { |
| 991 | menuButton = (TextView) convertView; |
| 992 | } else { |
| 993 | menuButton = createOverflowMenuItemButton(context); |
| 994 | } |
| 995 | MenuItem menuItem = getItem(position); |
| 996 | menuButton.setText(menuItem.getTitle()); |
| 997 | menuButton.setContentDescription(menuItem.getTitle()); |
Abodunrinwa Toki | f8e14fd | 2015-04-14 18:59:40 +0100 | [diff] [blame] | 998 | menuButton.setMinimumWidth(mOverflowWidth); |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 999 | return menuButton; |
| 1000 | } |
| 1001 | }; |
| 1002 | overflowListView.setAdapter(overflowListViewAdapter); |
| 1003 | return overflowListView; |
| 1004 | } |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1005 | } |
| 1006 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1007 | |
| 1008 | /** |
| 1009 | * A helper for fading in or out a view. |
| 1010 | */ |
| 1011 | private static final class ViewFader { |
| 1012 | |
| 1013 | private static final int FADE_OUT_DURATION = 250; |
| 1014 | private static final int FADE_IN_DURATION = 150; |
| 1015 | |
| 1016 | private final View mView; |
| 1017 | private final ObjectAnimator mFadeOutAnimation; |
| 1018 | private final ObjectAnimator mFadeInAnimation; |
| 1019 | |
| 1020 | private ViewFader(View view) { |
| 1021 | mView = Preconditions.checkNotNull(view); |
| 1022 | mFadeOutAnimation = ObjectAnimator.ofFloat(view, View.ALPHA, 1, 0) |
| 1023 | .setDuration(FADE_OUT_DURATION); |
| 1024 | mFadeInAnimation = ObjectAnimator.ofFloat(view, View.ALPHA, 0, 1) |
| 1025 | .setDuration(FADE_IN_DURATION); |
| 1026 | } |
| 1027 | |
| 1028 | public void fadeIn(boolean animate) { |
| 1029 | if (animate) { |
| 1030 | mFadeInAnimation.start(); |
| 1031 | } else { |
| 1032 | mView.setAlpha(1); |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | public void fadeOut(boolean animate) { |
| 1037 | if (animate) { |
| 1038 | mFadeOutAnimation.start(); |
| 1039 | } else { |
| 1040 | mView.setAlpha(0); |
| 1041 | } |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1046 | /** |
| 1047 | * Creates and returns a menu button for the specified menu item. |
| 1048 | */ |
| 1049 | private static Button createMenuItemButton(Context context, MenuItem menuItem) { |
| 1050 | Button menuItemButton = (Button) LayoutInflater.from(context) |
| 1051 | .inflate(R.layout.floating_popup_menu_button, null); |
| 1052 | menuItemButton.setText(menuItem.getTitle()); |
| 1053 | menuItemButton.setContentDescription(menuItem.getTitle()); |
| 1054 | return menuItemButton; |
| 1055 | } |
| 1056 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1057 | /** |
| 1058 | * Creates and returns a styled floating toolbar overflow list view item. |
| 1059 | */ |
| 1060 | private static TextView createOverflowMenuItemButton(Context context) { |
| 1061 | return (TextView) LayoutInflater.from(context) |
| 1062 | .inflate(R.layout.floating_popup_overflow_list_item, null); |
| 1063 | } |
| 1064 | |
| 1065 | private static ViewGroup createContentContainer(Context context) { |
| 1066 | return (ViewGroup) LayoutInflater.from(context) |
| 1067 | .inflate(R.layout.floating_popup_container, null); |
| 1068 | } |
| 1069 | |
| 1070 | private static PopupWindow createPopupWindow(View content) { |
| 1071 | ViewGroup popupContentHolder = new LinearLayout(content.getContext()); |
| 1072 | PopupWindow popupWindow = new PopupWindow(popupContentHolder); |
| 1073 | popupWindow.setWindowLayoutType(WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL); |
| 1074 | popupWindow.setAnimationStyle(0); |
| 1075 | popupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT)); |
| 1076 | content.setLayoutParams(new ViewGroup.LayoutParams( |
| 1077 | ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)); |
| 1078 | popupContentHolder.addView(content); |
| 1079 | return popupWindow; |
| 1080 | } |
| 1081 | |
| 1082 | /** |
| 1083 | * Creates a "grow and fade in from the bottom" animation for the specified view. |
| 1084 | * |
| 1085 | * @param view The view to animate |
| 1086 | */ |
| 1087 | private static AnimatorSet createGrowFadeInFromBottom(View view) { |
| 1088 | AnimatorSet growFadeInFromBottomAnimation = new AnimatorSet(); |
| 1089 | growFadeInFromBottomAnimation.playTogether( |
| 1090 | ObjectAnimator.ofFloat(view, View.SCALE_X, 0.5f, 1).setDuration(125), |
| 1091 | ObjectAnimator.ofFloat(view, View.SCALE_Y, 0.5f, 1).setDuration(125), |
| 1092 | ObjectAnimator.ofFloat(view, View.ALPHA, 0, 1).setDuration(75)); |
| 1093 | growFadeInFromBottomAnimation.setStartDelay(50); |
| 1094 | return growFadeInFromBottomAnimation; |
| 1095 | } |
| 1096 | |
| 1097 | /** |
| 1098 | * Creates a "shrink and fade out from bottom" animation for the specified view. |
| 1099 | * |
| 1100 | * @param view The view to animate |
| 1101 | * @param listener The animation listener |
| 1102 | */ |
| 1103 | private static AnimatorSet createShrinkFadeOutFromBottomAnimation( |
| 1104 | View view, Animator.AnimatorListener listener) { |
| 1105 | AnimatorSet shrinkFadeOutFromBottomAnimation = new AnimatorSet(); |
| 1106 | shrinkFadeOutFromBottomAnimation.playTogether( |
| 1107 | ObjectAnimator.ofFloat(view, View.SCALE_Y, 1, 0.5f).setDuration(125), |
| 1108 | ObjectAnimator.ofFloat(view, View.ALPHA, 1, 0).setDuration(75)); |
| 1109 | shrinkFadeOutFromBottomAnimation.setStartDelay(150); |
| 1110 | shrinkFadeOutFromBottomAnimation.addListener(listener); |
| 1111 | return shrinkFadeOutFromBottomAnimation; |
| 1112 | } |
| 1113 | |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1114 | private static int getEstimatedToolbarHeight(Context context) { |
| 1115 | return context.getResources().getDimensionPixelSize(R.dimen.floating_toolbar_height); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1116 | } |
| 1117 | |
| 1118 | private static int getEstimatedOpenOverflowButtonWidth(Context context) { |
| 1119 | return context.getResources() |
| 1120 | .getDimensionPixelSize(R.dimen.floating_toolbar_menu_button_minimum_width); |
| 1121 | } |
| 1122 | |
| 1123 | private static int getAdjustedToolbarWidth(Context context, int width) { |
| 1124 | if (width <= 0 || width > getScreenWidth(context)) { |
| 1125 | width = context.getResources() |
| 1126 | .getDimensionPixelSize(R.dimen.floating_toolbar_default_width); |
| 1127 | } |
| 1128 | return width; |
| 1129 | } |
| 1130 | |
| 1131 | /** |
| 1132 | * Returns the device's screen width. |
| 1133 | */ |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1134 | private static int getScreenWidth(Context context) { |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1135 | return context.getResources().getDisplayMetrics().widthPixels; |
| 1136 | } |
| 1137 | |
| 1138 | /** |
| 1139 | * Returns the device's screen height. |
| 1140 | */ |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1141 | private static int getScreenHeight(Context context) { |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1142 | return context.getResources().getDisplayMetrics().heightPixels; |
| 1143 | } |
| 1144 | |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1145 | /** |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1146 | * Returns value, restricted to the range min->max (inclusive). |
| 1147 | * If maximum is less than minimum, the result is undefined. |
| 1148 | * |
| 1149 | * @param value The value to clamp. |
| 1150 | * @param minimum The minimum value in the range. |
| 1151 | * @param maximum The maximum value in the range. Must not be less than minimum. |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1152 | */ |
Abodunrinwa Toki | 517adad | 2015-04-07 22:13:51 +0100 | [diff] [blame] | 1153 | private static int clamp(int value, int minimum, int maximum) { |
| 1154 | return Math.max(minimum, Math.min(value, maximum)); |
Abodunrinwa Toki | 0c7ed28 | 2015-03-27 15:02:03 +0000 | [diff] [blame] | 1155 | } |
| 1156 | } |