PlaybackControlsRowPresenter.java revision d30b6d18e1c6b988f75d76c50dbec7199386ce9b
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 setBackground(View view) { 135 if (mBgView != null) { 136 RoundedRectHelper.getInstance().clearBackground(mBgView); 137 ShadowHelper.getInstance().setZ(mBgView, 0); 138 } 139 mBgView = view; 140 RoundedRectHelper.getInstance().setRoundedRectBackground(view, mBackgroundColorSet ? 141 mBackgroundColor : getDefaultBackgroundColor(view.getContext())); 142 143 if (sShadowZ == 0) { 144 sShadowZ = view.getResources().getDimensionPixelSize( 145 R.dimen.lb_playback_controls_z); 146 } 147 ShadowHelper.getInstance().setZ(view, sShadowZ); 148 } 149 } 150 151 private int mBackgroundColor = Color.TRANSPARENT; 152 private boolean mBackgroundColorSet; 153 private int mProgressColor = Color.TRANSPARENT; 154 private boolean mProgressColorSet; 155 private boolean mSecondaryActionsHidden; 156 private Presenter mDescriptionPresenter; 157 private PlaybackControlsPresenter mPlaybackControlsPresenter; 158 private ControlBarPresenter mSecondaryControlsPresenter; 159 private OnActionClickedListener mOnActionClickedListener; 160 private static float sShadowZ; 161 162 private final OnControlSelectedListener mOnControlSelectedListener = 163 new OnControlSelectedListener() { 164 @Override 165 public void onControlSelected(Presenter.ViewHolder itemViewHolder, Object item, 166 ControlBarPresenter.BoundData data) { 167 ViewHolder vh = ((BoundData) data).mRowViewHolder; 168 if (vh.mSelectedViewHolder != itemViewHolder || vh.mSelectedItem != item) { 169 vh.mSelectedViewHolder = itemViewHolder; 170 vh.mSelectedItem = item; 171 vh.dispatchItemSelection(); 172 } 173 } 174 }; 175 176 private final OnControlClickedListener mOnControlClickedListener = 177 new OnControlClickedListener() { 178 @Override 179 public void onControlClicked(Presenter.ViewHolder itemViewHolder, Object item, 180 ControlBarPresenter.BoundData data) { 181 ViewHolder vh = ((BoundData) data).mRowViewHolder; 182 if (vh.getOnItemViewClickedListener() != null) { 183 vh.getOnItemViewClickedListener().onItemClicked(itemViewHolder, item, 184 vh, vh.getRow()); 185 } 186 if (mOnActionClickedListener != null && item instanceof Action) { 187 mOnActionClickedListener.onActionClicked((Action) item); 188 } 189 } 190 }; 191 192 /** 193 * Constructor for a PlaybackControlsRowPresenter. 194 * 195 * @param descriptionPresenter Presenter for displaying item details. 196 */ 197 public PlaybackControlsRowPresenter(Presenter descriptionPresenter) { 198 setHeaderPresenter(null); 199 setSelectEffectEnabled(false); 200 201 mDescriptionPresenter = descriptionPresenter; 202 mPlaybackControlsPresenter = new PlaybackControlsPresenter(R.layout.lb_playback_controls); 203 mSecondaryControlsPresenter = new ControlBarPresenter(R.layout.lb_control_bar); 204 205 mPlaybackControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener); 206 mSecondaryControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener); 207 mPlaybackControlsPresenter.setOnControlClickedListener(mOnControlClickedListener); 208 mSecondaryControlsPresenter.setOnControlClickedListener(mOnControlClickedListener); 209 } 210 211 /** 212 * Constructor for a PlaybackControlsRowPresenter. 213 */ 214 public PlaybackControlsRowPresenter() { 215 this(null); 216 } 217 218 /** 219 * Sets the listener for {@link Action} click events. 220 */ 221 public void setOnActionClickedListener(OnActionClickedListener listener) { 222 mOnActionClickedListener = listener; 223 } 224 225 /** 226 * Returns the listener for {@link Action} click events. 227 */ 228 public OnActionClickedListener getOnActionClickedListener() { 229 return mOnActionClickedListener; 230 } 231 232 /** 233 * Sets the background color. If not set, a default from the theme will be used. 234 */ 235 public void setBackgroundColor(int color) { 236 mBackgroundColor = color; 237 mBackgroundColorSet = true; 238 } 239 240 /** 241 * Returns the background color. If no background color was set, transparent 242 * is returned. 243 */ 244 public int getBackgroundColor() { 245 return mBackgroundColor; 246 } 247 248 /** 249 * Sets the primary color for the progress bar. If not set, a default from 250 * the theme will be used. 251 */ 252 public void setProgressColor(int color) { 253 mProgressColor = color; 254 mProgressColorSet = true; 255 } 256 257 /** 258 * Returns the primary color for the progress bar. If no color was set, transparent 259 * is returned. 260 */ 261 public int getProgressColor() { 262 return mProgressColor; 263 } 264 265 /** 266 * Sets the secondary actions to be hidden behind a "more actions" button. 267 * When "more actions" is selected, the primary actions are replaced with 268 * the secondary actions. 269 */ 270 public void setSecondaryActionsHidden(boolean hidden) { 271 mSecondaryActionsHidden = hidden; 272 } 273 274 /** 275 * Returns true if secondary actions are hidden. 276 */ 277 public boolean areSecondaryActionsHidden() { 278 return mSecondaryActionsHidden; 279 } 280 281 /** 282 * Shows or hides space at the bottom of the playback controls row. 283 * This allows the row to hug the bottom of the display when no 284 * other rows are present. 285 */ 286 public void showBottomSpace(ViewHolder vh, boolean show) { 287 vh.mBottomSpacer.setVisibility(show ? View.VISIBLE : View.GONE); 288 } 289 290 /** 291 * Displays the primary actions. This will override the user having selected "more actions" 292 * to display the secondary actions; see {@link #setSecondaryActionsHidden(boolean)}. 293 */ 294 public void showPrimaryActions(ViewHolder vh) { 295 mPlaybackControlsPresenter.showPrimaryActions(vh.mControlsVh); 296 mPlaybackControlsPresenter.resetFocus(vh.mControlsVh); 297 } 298 299 private int getDefaultBackgroundColor(Context context) { 300 TypedValue outValue = new TypedValue(); 301 if (context.getTheme().resolveAttribute(R.attr.defaultBrandColor, outValue, true)) { 302 return context.getResources().getColor(outValue.resourceId); 303 } 304 return context.getResources().getColor(R.color.lb_default_brand_color); 305 } 306 307 private int getDefaultProgressColor(Context context) { 308 TypedValue outValue = new TypedValue(); 309 if (context.getTheme() 310 .resolveAttribute(R.attr.playbackProgressPrimaryColor, outValue, true)) { 311 return context.getResources().getColor(outValue.resourceId); 312 } 313 return context.getResources().getColor(R.color.lb_playback_progress_color_no_theme); 314 } 315 316 @Override 317 protected RowPresenter.ViewHolder createRowViewHolder(ViewGroup parent) { 318 View v = LayoutInflater.from(parent.getContext()) 319 .inflate(R.layout.lb_playback_controls_row, parent, false); 320 ViewHolder vh = new ViewHolder(v, mDescriptionPresenter); 321 initRow(vh); 322 return vh; 323 } 324 325 private void initRow(final ViewHolder vh) { 326 MarginLayoutParams lp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams(); 327 vh.mControlsDockMarginStart = lp.getMarginStart(); 328 vh.mControlsDockMarginEnd = lp.getMarginEnd(); 329 330 vh.mControlsVh = (PlaybackControlsPresenter.ViewHolder) 331 mPlaybackControlsPresenter.onCreateViewHolder(vh.mControlsDock); 332 mPlaybackControlsPresenter.setProgressColor(vh.mControlsVh, 333 mProgressColorSet ? mProgressColor : 334 getDefaultProgressColor(vh.mControlsDock.getContext())); 335 vh.mControlsDock.addView(vh.mControlsVh.view); 336 337 vh.mSecondaryControlsVh = 338 mSecondaryControlsPresenter.onCreateViewHolder(vh.mSecondaryControlsDock); 339 if (!mSecondaryActionsHidden) { 340 vh.mSecondaryControlsDock.addView(vh.mSecondaryControlsVh.view); 341 } 342 ((PlaybackControlsRowView) vh.view).setOnUnhandledKeyListener( 343 new PlaybackControlsRowView.OnUnhandledKeyListener() { 344 @Override 345 public boolean onUnhandledKey(KeyEvent event) { 346 if (vh.getOnKeyListener() != null) { 347 if (vh.getOnKeyListener().onKey(vh.view, event.getKeyCode(), event)) { 348 return true; 349 } 350 } 351 return false; 352 } 353 }); 354 } 355 356 @Override 357 protected void onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item) { 358 super.onBindRowViewHolder(holder, item); 359 360 ViewHolder vh = (ViewHolder) holder; 361 PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow(); 362 363 mPlaybackControlsPresenter.enableSecondaryActions(mSecondaryActionsHidden); 364 365 if (row.getItem() == null) { 366 vh.mDescriptionDock.setVisibility(View.GONE); 367 vh.mSpacer.setVisibility(View.GONE); 368 } else { 369 vh.mDescriptionDock.setVisibility(View.VISIBLE); 370 if (vh.mDescriptionViewHolder != null) { 371 mDescriptionPresenter.onBindViewHolder(vh.mDescriptionViewHolder, row.getItem()); 372 } 373 vh.mSpacer.setVisibility(View.VISIBLE); 374 } 375 376 if (row.getImageDrawable() == null || row.getItem() == null) { 377 vh.mImageView.setImageDrawable(null); 378 updateCardLayout(vh, LayoutParams.WRAP_CONTENT); 379 } else { 380 vh.mImageView.setImageDrawable(row.getImageDrawable()); 381 updateCardLayout(vh, vh.mImageView.getLayoutParams().height); 382 } 383 384 vh.mControlsBoundData.adapter = row.getPrimaryActionsAdapter(); 385 vh.mControlsBoundData.secondaryActionsAdapter = row.getSecondaryActionsAdapter(); 386 vh.mControlsBoundData.presenter = vh.getPresenter(true); 387 vh.mControlsBoundData.mRowViewHolder = vh; 388 mPlaybackControlsPresenter.onBindViewHolder(vh.mControlsVh, vh.mControlsBoundData); 389 390 vh.mSecondaryBoundData.adapter = row.getSecondaryActionsAdapter(); 391 vh.mSecondaryBoundData.presenter = vh.getPresenter(false); 392 vh.mSecondaryBoundData.mRowViewHolder = vh; 393 mSecondaryControlsPresenter.onBindViewHolder(vh.mSecondaryControlsVh, 394 vh.mSecondaryBoundData); 395 396 mPlaybackControlsPresenter.setTotalTime(vh.mControlsVh, row.getTotalTime()); 397 mPlaybackControlsPresenter.setCurrentTime(vh.mControlsVh, row.getCurrentTime()); 398 mPlaybackControlsPresenter.setSecondaryProgress(vh.mControlsVh, row.getBufferedProgress()); 399 row.setOnPlaybackStateChangedListener(vh.mListener); 400 } 401 402 private void updateCardLayout(ViewHolder vh, int height) { 403 LayoutParams lp = vh.mCardRightPanel.getLayoutParams(); 404 lp.height = height; 405 vh.mCardRightPanel.setLayoutParams(lp); 406 407 MarginLayoutParams mlp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams(); 408 LinearLayout.LayoutParams llp = 409 (LinearLayout.LayoutParams) vh.mDescriptionDock.getLayoutParams(); 410 411 if (height == LayoutParams.WRAP_CONTENT) { 412 llp.height = LayoutParams.WRAP_CONTENT; 413 mlp.setMarginStart(0); 414 mlp.setMarginEnd(0); 415 vh.setBackground(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.setBackground(vh.mCard); 423 mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, false); 424 } 425 vh.mDescriptionDock.setLayoutParams(llp); 426 vh.mControlsDock.setLayoutParams(mlp); 427 } 428 429 @Override 430 protected void onUnbindRowViewHolder(RowPresenter.ViewHolder holder) { 431 ViewHolder vh = (ViewHolder) holder; 432 PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow(); 433 434 if (vh.mDescriptionViewHolder != null) { 435 mDescriptionPresenter.onUnbindViewHolder(vh.mDescriptionViewHolder); 436 } 437 mPlaybackControlsPresenter.onUnbindViewHolder(vh.mControlsVh); 438 mSecondaryControlsPresenter.onUnbindViewHolder(vh.mSecondaryControlsVh); 439 row.setOnPlaybackStateChangedListener(null); 440 441 super.onUnbindRowViewHolder(holder); 442 } 443 444 @Override 445 protected void onRowViewSelected(RowPresenter.ViewHolder vh, boolean selected) { 446 super.onRowViewSelected(vh, selected); 447 if (selected) { 448 ((ViewHolder) vh).dispatchItemSelection(); 449 } 450 } 451 452 @Override 453 protected void onRowViewAttachedToWindow(RowPresenter.ViewHolder vh) { 454 super.onRowViewAttachedToWindow(vh); 455 if (mDescriptionPresenter != null) { 456 mDescriptionPresenter.onViewAttachedToWindow( 457 ((ViewHolder) vh).mDescriptionViewHolder); 458 } 459 } 460 461 @Override 462 protected void onRowViewDetachedFromWindow(RowPresenter.ViewHolder vh) { 463 super.onRowViewDetachedFromWindow(vh); 464 if (mDescriptionPresenter != null) { 465 mDescriptionPresenter.onViewDetachedFromWindow( 466 ((ViewHolder) vh).mDescriptionViewHolder); 467 } 468 } 469} 470