PlaybackControlsRowPresenter.java revision 6b447e693090017258eb48a51ae4119fb0f5119e
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14package android.support.v17.leanback.widget; 15 16import android.graphics.drawable.Drawable; 17import android.support.v17.leanback.R; 18import android.support.v17.leanback.widget.ControlBarPresenter.OnControlClickedListener; 19import android.support.v17.leanback.widget.ControlBarPresenter.OnControlSelectedListener; 20import android.content.Context; 21import android.graphics.Color; 22import android.util.TypedValue; 23import android.view.KeyEvent; 24import android.view.LayoutInflater; 25import android.view.View; 26import android.view.ViewGroup; 27import android.view.ViewGroup.LayoutParams; 28import android.view.ViewGroup.MarginLayoutParams; 29import android.widget.ImageView; 30import android.widget.LinearLayout; 31 32/** 33 * A PlaybackControlsRowPresenter renders a {@link PlaybackControlsRow} to display a 34 * series of playback control buttons. Typically this row will be the first row in a fragment 35 * such as the {@link android.support.v17.leanback.app.PlaybackOverlayFragment}. 36 * 37 * <p>The detailed description is rendered using a {@link Presenter} passed in 38 * {@link #PlaybackControlsRowPresenter(Presenter)}. Typically this will be an instance of 39 * {@link AbstractDetailsDescriptionPresenter}. The application can access the 40 * detailed description ViewHolder from {@link ViewHolder#mDescriptionViewHolder}. 41 * </p> 42 */ 43public class PlaybackControlsRowPresenter extends RowPresenter { 44 45 static class BoundData extends PlaybackControlsPresenter.BoundData { 46 ViewHolder mRowViewHolder; 47 } 48 49 /** 50 * A ViewHolder for the PlaybackControlsRow. 51 */ 52 public class ViewHolder extends RowPresenter.ViewHolder { 53 public final Presenter.ViewHolder mDescriptionViewHolder; 54 final ViewGroup mCard; 55 final ViewGroup mCardRightPanel; 56 final ImageView mImageView; 57 final ViewGroup mDescriptionDock; 58 final ViewGroup mControlsDock; 59 final ViewGroup mSecondaryControlsDock; 60 final View mSpacer; 61 final View mBottomSpacer; 62 View mBgView; 63 int mControlsDockMarginStart; 64 int mControlsDockMarginEnd; 65 PlaybackControlsPresenter.ViewHolder mControlsVh; 66 Presenter.ViewHolder mSecondaryControlsVh; 67 BoundData mControlsBoundData = new BoundData(); 68 BoundData mSecondaryBoundData = new BoundData(); 69 Presenter.ViewHolder mSelectedViewHolder; 70 Object mSelectedItem; 71 final PlaybackControlsRow.OnPlaybackStateChangedListener mListener = 72 new PlaybackControlsRow.OnPlaybackStateChangedListener() { 73 @Override 74 public void onCurrentTimeChanged(int ms) { 75 mPlaybackControlsPresenter.setCurrentTime(mControlsVh, ms); 76 } 77 @Override 78 public void onBufferedProgressChanged(int ms) { 79 mPlaybackControlsPresenter.setSecondaryProgress(mControlsVh, ms); 80 } 81 }; 82 83 ViewHolder(View rootView, Presenter descriptionPresenter) { 84 super(rootView); 85 mCard = (ViewGroup) rootView.findViewById(R.id.controls_card); 86 mCardRightPanel = (ViewGroup) rootView.findViewById(R.id.controls_card_right_panel); 87 mImageView = (ImageView) rootView.findViewById(R.id.image); 88 mDescriptionDock = (ViewGroup) rootView.findViewById(R.id.description_dock); 89 mControlsDock = (ViewGroup) rootView.findViewById(R.id.controls_dock); 90 mSecondaryControlsDock = 91 (ViewGroup) rootView.findViewById(R.id.secondary_controls_dock); 92 mSpacer = rootView.findViewById(R.id.spacer); 93 mBottomSpacer = rootView.findViewById(R.id.bottom_spacer); 94 mDescriptionViewHolder = descriptionPresenter == null ? null : 95 descriptionPresenter.onCreateViewHolder(mDescriptionDock); 96 if (mDescriptionViewHolder != null) { 97 mDescriptionDock.addView(mDescriptionViewHolder.view); 98 } 99 } 100 101 void dispatchItemSelection() { 102 if (!isSelected()) { 103 return; 104 } 105 if (mSelectedViewHolder == null) { 106 if (getOnItemViewSelectedListener() != null) { 107 getOnItemViewSelectedListener().onItemSelected(null, null, 108 ViewHolder.this, getRow()); 109 } 110 } else { 111 if (getOnItemViewSelectedListener() != null) { 112 getOnItemViewSelectedListener().onItemSelected(mSelectedViewHolder, mSelectedItem, 113 ViewHolder.this, getRow()); 114 } 115 } 116 }; 117 118 Presenter getPresenter(boolean primary) { 119 ObjectAdapter adapter = primary ? 120 ((PlaybackControlsRow) getRow()).getPrimaryActionsAdapter() : 121 ((PlaybackControlsRow) getRow()).getSecondaryActionsAdapter(); 122 if (adapter == null) { 123 return null; 124 } 125 if (adapter.getPresenterSelector() instanceof ControlButtonPresenterSelector) { 126 ControlButtonPresenterSelector selector = 127 (ControlButtonPresenterSelector) adapter.getPresenterSelector(); 128 return primary ? selector.getPrimaryPresenter() : 129 selector.getSecondaryPresenter(); 130 } 131 return adapter.getPresenter(adapter.size() > 0 ? adapter.get(0) : null); 132 } 133 134 void setOutline(View view) { 135 if (mBgView != null) { 136 RoundedRectHelper.getInstance().setClipToRoundedOutline(mBgView, false); 137 ShadowHelper.getInstance().setZ(mBgView, 0); 138 } 139 mBgView = view; 140 RoundedRectHelper.getInstance().setClipToRoundedOutline(view, true); 141 142 if (sShadowZ == 0) { 143 sShadowZ = view.getResources().getDimensionPixelSize( 144 R.dimen.lb_playback_controls_z); 145 } 146 ShadowHelper.getInstance().setZ(view, sShadowZ); 147 } 148 } 149 150 private int mBackgroundColor = Color.TRANSPARENT; 151 private boolean mBackgroundColorSet; 152 private int mProgressColor = Color.TRANSPARENT; 153 private boolean mProgressColorSet; 154 private boolean mSecondaryActionsHidden; 155 private Presenter mDescriptionPresenter; 156 private PlaybackControlsPresenter mPlaybackControlsPresenter; 157 private ControlBarPresenter mSecondaryControlsPresenter; 158 private OnActionClickedListener mOnActionClickedListener; 159 private static float sShadowZ; 160 161 private final OnControlSelectedListener mOnControlSelectedListener = 162 new OnControlSelectedListener() { 163 @Override 164 public void onControlSelected(Presenter.ViewHolder itemViewHolder, Object item, 165 ControlBarPresenter.BoundData data) { 166 ViewHolder vh = ((BoundData) data).mRowViewHolder; 167 if (vh.mSelectedViewHolder != itemViewHolder || vh.mSelectedItem != item) { 168 vh.mSelectedViewHolder = itemViewHolder; 169 vh.mSelectedItem = item; 170 vh.dispatchItemSelection(); 171 } 172 } 173 }; 174 175 private final OnControlClickedListener mOnControlClickedListener = 176 new OnControlClickedListener() { 177 @Override 178 public void onControlClicked(Presenter.ViewHolder itemViewHolder, Object item, 179 ControlBarPresenter.BoundData data) { 180 ViewHolder vh = ((BoundData) data).mRowViewHolder; 181 if (vh.getOnItemViewClickedListener() != null) { 182 vh.getOnItemViewClickedListener().onItemClicked(itemViewHolder, item, 183 vh, vh.getRow()); 184 } 185 if (mOnActionClickedListener != null && item instanceof Action) { 186 mOnActionClickedListener.onActionClicked((Action) item); 187 } 188 } 189 }; 190 191 /** 192 * Constructor for a PlaybackControlsRowPresenter. 193 * 194 * @param descriptionPresenter Presenter for displaying item details. 195 */ 196 public PlaybackControlsRowPresenter(Presenter descriptionPresenter) { 197 setHeaderPresenter(null); 198 setSelectEffectEnabled(false); 199 200 mDescriptionPresenter = descriptionPresenter; 201 mPlaybackControlsPresenter = new PlaybackControlsPresenter(R.layout.lb_playback_controls); 202 mSecondaryControlsPresenter = new ControlBarPresenter(R.layout.lb_control_bar); 203 204 mPlaybackControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener); 205 mSecondaryControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener); 206 mPlaybackControlsPresenter.setOnControlClickedListener(mOnControlClickedListener); 207 mSecondaryControlsPresenter.setOnControlClickedListener(mOnControlClickedListener); 208 } 209 210 /** 211 * Constructor for a PlaybackControlsRowPresenter. 212 */ 213 public PlaybackControlsRowPresenter() { 214 this(null); 215 } 216 217 /** 218 * Sets the listener for {@link Action} click events. 219 */ 220 public void setOnActionClickedListener(OnActionClickedListener listener) { 221 mOnActionClickedListener = listener; 222 } 223 224 /** 225 * Returns the listener for {@link Action} click events. 226 */ 227 public OnActionClickedListener getOnActionClickedListener() { 228 return mOnActionClickedListener; 229 } 230 231 /** 232 * Sets the background color. If not set, a default from the theme will be used. 233 */ 234 public void setBackgroundColor(int color) { 235 mBackgroundColor = color; 236 mBackgroundColorSet = true; 237 } 238 239 /** 240 * Returns the background color. If no background color was set, transparent 241 * is returned. 242 */ 243 public int getBackgroundColor() { 244 return mBackgroundColor; 245 } 246 247 /** 248 * Sets the primary color for the progress bar. If not set, a default from 249 * the theme will be used. 250 */ 251 public void setProgressColor(int color) { 252 mProgressColor = color; 253 mProgressColorSet = true; 254 } 255 256 /** 257 * Returns the primary color for the progress bar. If no color was set, transparent 258 * is returned. 259 */ 260 public int getProgressColor() { 261 return mProgressColor; 262 } 263 264 /** 265 * Sets the secondary actions to be hidden behind a "more actions" button. 266 * When "more actions" is selected, the primary actions are replaced with 267 * the secondary actions. 268 */ 269 public void setSecondaryActionsHidden(boolean hidden) { 270 mSecondaryActionsHidden = hidden; 271 } 272 273 /** 274 * Returns true if secondary actions are hidden. 275 */ 276 public boolean areSecondaryActionsHidden() { 277 return mSecondaryActionsHidden; 278 } 279 280 /** 281 * Shows or hides space at the bottom of the playback controls row. 282 * This allows the row to hug the bottom of the display when no 283 * other rows are present. 284 */ 285 public void showBottomSpace(ViewHolder vh, boolean show) { 286 vh.mBottomSpacer.setVisibility(show ? View.VISIBLE : View.GONE); 287 } 288 289 /** 290 * Displays the primary actions. This will override the user having selected "more actions" 291 * to display the secondary actions; see {@link #setSecondaryActionsHidden(boolean)}. 292 */ 293 public void showPrimaryActions(ViewHolder vh) { 294 mPlaybackControlsPresenter.showPrimaryActions(vh.mControlsVh); 295 } 296 297 private int getDefaultBackgroundColor(Context context) { 298 TypedValue outValue = new TypedValue(); 299 if (context.getTheme().resolveAttribute(R.attr.defaultBrandColor, outValue, true)) { 300 return context.getResources().getColor(outValue.resourceId); 301 } 302 return context.getResources().getColor(R.color.lb_default_brand_color); 303 } 304 305 private int getDefaultProgressColor(Context context) { 306 TypedValue outValue = new TypedValue(); 307 if (context.getTheme() 308 .resolveAttribute(R.attr.playbackProgressPrimaryColor, outValue, true)) { 309 return context.getResources().getColor(outValue.resourceId); 310 } 311 return context.getResources().getColor(R.color.lb_playback_progress_color_no_theme); 312 } 313 314 @Override 315 protected RowPresenter.ViewHolder createRowViewHolder(ViewGroup parent) { 316 View v = LayoutInflater.from(parent.getContext()) 317 .inflate(R.layout.lb_playback_controls_row, parent, false); 318 ViewHolder vh = new ViewHolder(v, mDescriptionPresenter); 319 initRow(vh); 320 return vh; 321 } 322 323 private void initRow(final ViewHolder vh) { 324 MarginLayoutParams lp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams(); 325 vh.mControlsDockMarginStart = lp.getMarginStart(); 326 vh.mControlsDockMarginEnd = lp.getMarginEnd(); 327 328 vh.mControlsVh = (PlaybackControlsPresenter.ViewHolder) 329 mPlaybackControlsPresenter.onCreateViewHolder(vh.mControlsDock); 330 mPlaybackControlsPresenter.setProgressColor(vh.mControlsVh, mProgressColorSet ? 331 mProgressColor : getDefaultProgressColor(vh.mControlsDock.getContext())); 332 mPlaybackControlsPresenter.setBackgroundColor(vh.mControlsVh, mBackgroundColorSet ? 333 mBackgroundColor : getDefaultBackgroundColor(vh.view.getContext())); 334 vh.mControlsDock.addView(vh.mControlsVh.view); 335 336 vh.mSecondaryControlsVh = 337 mSecondaryControlsPresenter.onCreateViewHolder(vh.mSecondaryControlsDock); 338 if (!mSecondaryActionsHidden) { 339 vh.mSecondaryControlsDock.addView(vh.mSecondaryControlsVh.view); 340 } 341 ((PlaybackControlsRowView) vh.view).setOnUnhandledKeyListener( 342 new PlaybackControlsRowView.OnUnhandledKeyListener() { 343 @Override 344 public boolean onUnhandledKey(KeyEvent event) { 345 if (vh.getOnKeyListener() != null) { 346 if (vh.getOnKeyListener().onKey(vh.view, event.getKeyCode(), event)) { 347 return true; 348 } 349 } 350 return false; 351 } 352 }); 353 } 354 355 @Override 356 protected void onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item) { 357 super.onBindRowViewHolder(holder, item); 358 359 ViewHolder vh = (ViewHolder) holder; 360 PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow(); 361 362 mPlaybackControlsPresenter.enableSecondaryActions(mSecondaryActionsHidden); 363 364 if (row.getItem() == null) { 365 vh.mDescriptionDock.setVisibility(View.GONE); 366 vh.mSpacer.setVisibility(View.GONE); 367 } else { 368 vh.mDescriptionDock.setVisibility(View.VISIBLE); 369 if (vh.mDescriptionViewHolder != null) { 370 mDescriptionPresenter.onBindViewHolder(vh.mDescriptionViewHolder, row.getItem()); 371 } 372 vh.mSpacer.setVisibility(View.VISIBLE); 373 } 374 375 if (row.getImageDrawable() == null || row.getItem() == null) { 376 vh.mImageView.setImageDrawable(null); 377 updateCardLayout(vh, LayoutParams.WRAP_CONTENT); 378 } else { 379 vh.mImageView.setImageDrawable(row.getImageDrawable()); 380 updateCardLayout(vh, vh.mImageView.getLayoutParams().height); 381 } 382 383 vh.mControlsBoundData.adapter = row.getPrimaryActionsAdapter(); 384 vh.mControlsBoundData.secondaryActionsAdapter = row.getSecondaryActionsAdapter(); 385 vh.mControlsBoundData.presenter = vh.getPresenter(true); 386 vh.mControlsBoundData.mRowViewHolder = vh; 387 mPlaybackControlsPresenter.onBindViewHolder(vh.mControlsVh, vh.mControlsBoundData); 388 389 vh.mSecondaryBoundData.adapter = row.getSecondaryActionsAdapter(); 390 vh.mSecondaryBoundData.presenter = vh.getPresenter(false); 391 vh.mSecondaryBoundData.mRowViewHolder = vh; 392 mSecondaryControlsPresenter.onBindViewHolder(vh.mSecondaryControlsVh, 393 vh.mSecondaryBoundData); 394 395 mPlaybackControlsPresenter.setTotalTime(vh.mControlsVh, row.getTotalTime()); 396 mPlaybackControlsPresenter.setCurrentTime(vh.mControlsVh, row.getCurrentTime()); 397 mPlaybackControlsPresenter.setSecondaryProgress(vh.mControlsVh, row.getBufferedProgress()); 398 row.setOnPlaybackStateChangedListener(vh.mListener); 399 } 400 401 private void updateCardLayout(ViewHolder vh, int height) { 402 LayoutParams lp = vh.mCardRightPanel.getLayoutParams(); 403 lp.height = height; 404 vh.mCardRightPanel.setLayoutParams(lp); 405 406 MarginLayoutParams mlp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams(); 407 LinearLayout.LayoutParams llp = 408 (LinearLayout.LayoutParams) vh.mDescriptionDock.getLayoutParams(); 409 410 if (height == LayoutParams.WRAP_CONTENT) { 411 llp.height = LayoutParams.WRAP_CONTENT; 412 mlp.setMarginStart(0); 413 mlp.setMarginEnd(0); 414 vh.mCard.setBackground(null); 415 vh.setOutline(vh.mControlsDock); 416 mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, true); 417 } else { 418 llp.height = 0; 419 llp.weight = 1; 420 mlp.setMarginStart(vh.mControlsDockMarginStart); 421 mlp.setMarginEnd(vh.mControlsDockMarginEnd); 422 vh.mCard.setBackgroundColor(mBackgroundColorSet ? mBackgroundColor : 423 getDefaultBackgroundColor(vh.mCard.getContext())); 424 vh.setOutline(vh.mCard); 425 mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, false); 426 } 427 vh.mDescriptionDock.setLayoutParams(llp); 428 vh.mControlsDock.setLayoutParams(mlp); 429 } 430 431 @Override 432 protected void onUnbindRowViewHolder(RowPresenter.ViewHolder holder) { 433 ViewHolder vh = (ViewHolder) holder; 434 PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow(); 435 436 if (vh.mDescriptionViewHolder != null) { 437 mDescriptionPresenter.onUnbindViewHolder(vh.mDescriptionViewHolder); 438 } 439 mPlaybackControlsPresenter.onUnbindViewHolder(vh.mControlsVh); 440 mSecondaryControlsPresenter.onUnbindViewHolder(vh.mSecondaryControlsVh); 441 row.setOnPlaybackStateChangedListener(null); 442 443 super.onUnbindRowViewHolder(holder); 444 } 445 446 @Override 447 protected void onRowViewSelected(RowPresenter.ViewHolder vh, boolean selected) { 448 super.onRowViewSelected(vh, selected); 449 if (selected) { 450 ((ViewHolder) vh).dispatchItemSelection(); 451 } 452 } 453 454 @Override 455 protected void onRowViewAttachedToWindow(RowPresenter.ViewHolder vh) { 456 super.onRowViewAttachedToWindow(vh); 457 if (mDescriptionPresenter != null) { 458 mDescriptionPresenter.onViewAttachedToWindow( 459 ((ViewHolder) vh).mDescriptionViewHolder); 460 } 461 } 462 463 @Override 464 protected void onRowViewDetachedFromWindow(RowPresenter.ViewHolder vh) { 465 super.onRowViewDetachedFromWindow(vh); 466 if (mDescriptionPresenter != null) { 467 mDescriptionPresenter.onViewDetachedFromWindow( 468 ((ViewHolder) vh).mDescriptionViewHolder); 469 } 470 } 471} 472