CameraAppUI.java revision c91c8d273b8884468dfd66a5b82526dc8245934e
1/* 2 * Copyright (C) 2013 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 17package com.android.camera.app; 18 19import android.accessibilityservice.AccessibilityServiceInfo; 20import android.content.Context; 21import android.content.res.Resources; 22import android.graphics.Bitmap; 23import android.graphics.Canvas; 24import android.graphics.Matrix; 25import android.graphics.RectF; 26import android.graphics.SurfaceTexture; 27import android.hardware.display.DisplayManager; 28import android.util.CameraPerformanceTracker; 29import android.view.GestureDetector; 30import android.view.Gravity; 31import android.view.LayoutInflater; 32import android.view.MotionEvent; 33import android.view.TextureView; 34import android.view.View; 35import android.view.ViewConfiguration; 36import android.view.ViewGroup; 37import android.view.accessibility.AccessibilityManager; 38import android.widget.FrameLayout; 39 40import com.android.camera.AnimationManager; 41import com.android.camera.ButtonManager; 42import com.android.camera.CaptureLayoutHelper; 43import com.android.camera.ShutterButton; 44import com.android.camera.TextureViewHelper; 45import com.android.camera.debug.Log; 46import com.android.camera.filmstrip.FilmstripContentPanel; 47import com.android.camera.hardware.HardwareSpec; 48import com.android.camera.module.ModuleController; 49import com.android.camera.settings.Keys; 50import com.android.camera.settings.SettingsManager; 51import com.android.camera.ui.AbstractTutorialOverlay; 52import com.android.camera.ui.BottomBar; 53import com.android.camera.ui.BottomBarModeOptionsWrapper; 54import com.android.camera.ui.CaptureAnimationOverlay; 55import com.android.camera.ui.GridLines; 56import com.android.camera.ui.MainActivityLayout; 57import com.android.camera.ui.ModeListView; 58import com.android.camera.ui.ModeTransitionView; 59import com.android.camera.ui.PreviewOverlay; 60import com.android.camera.ui.PreviewStatusListener; 61import com.android.camera.ui.TouchCoordinate; 62import com.android.camera.util.ApiHelper; 63import com.android.camera.util.CameraUtil; 64import com.android.camera.util.Gusterpolator; 65import com.android.camera.util.PhotoSphereHelper; 66import com.android.camera.widget.Cling; 67import com.android.camera.widget.FilmstripLayout; 68import com.android.camera.widget.IndicatorIconController; 69import com.android.camera.widget.ModeOptionsOverlay; 70import com.android.camera.widget.PeekView; 71import com.android.camera2.R; 72 73import java.util.List; 74 75/** 76 * CameraAppUI centralizes control of views shared across modules. Whereas module 77 * specific views will be handled in each Module UI. For example, we can now 78 * bring the flash animation and capture animation up from each module to app 79 * level, as these animations are largely the same for all modules. 80 * 81 * This class also serves to disambiguate touch events. It recognizes all the 82 * swipe gestures that happen on the preview by attaching a touch listener to 83 * a full-screen view on top of preview TextureView. Since CameraAppUI has knowledge 84 * of how swipe from each direction should be handled, it can then redirect these 85 * events to appropriate recipient views. 86 */ 87public class CameraAppUI implements ModeListView.ModeSwitchListener, 88 TextureView.SurfaceTextureListener, 89 ModeListView.ModeListOpenListener, 90 SettingsManager.OnSettingChangedListener, 91 ShutterButton.OnShutterButtonListener { 92 93 /** 94 * The bottom controls on the filmstrip. 95 */ 96 public static interface BottomPanel { 97 /** Values for the view state of the button. */ 98 public final int VIEWER_NONE = 0; 99 public final int VIEWER_PHOTO_SPHERE = 1; 100 public final int VIEWER_REFOCUS = 2; 101 public final int VIEWER_OTHER = 3; 102 103 /** 104 * Sets a new or replaces an existing listener for bottom control events. 105 */ 106 void setListener(Listener listener); 107 108 /** 109 * Sets cling for external viewer button. 110 */ 111 void setClingForViewer(int viewerType, Cling cling); 112 113 /** 114 * Clears cling for external viewer button. 115 */ 116 void clearClingForViewer(int viewerType); 117 118 /** 119 * Returns a cling for the specified viewer type. 120 */ 121 Cling getClingForViewer(int viewerType); 122 123 /** 124 * Set if the bottom controls are visible. 125 * @param visible {@code true} if visible. 126 */ 127 void setVisible(boolean visible); 128 129 /** 130 * @param visible Whether the button is visible. 131 */ 132 void setEditButtonVisibility(boolean visible); 133 134 /** 135 * @param enabled Whether the button is enabled. 136 */ 137 void setEditEnabled(boolean enabled); 138 139 /** 140 * Sets the visibility of the view-photosphere button. 141 * 142 * @param state one of {@link #VIEWER_NONE}, {@link #VIEWER_PHOTO_SPHERE}, 143 * {@link #VIEWER_REFOCUS}. 144 */ 145 void setViewerButtonVisibility(int state); 146 147 /** 148 * @param enabled Whether the button is enabled. 149 */ 150 void setViewEnabled(boolean enabled); 151 152 /** 153 * @param enabled Whether the button is enabled. 154 */ 155 void setTinyPlanetEnabled(boolean enabled); 156 157 /** 158 * @param visible Whether the button is visible. 159 */ 160 void setDeleteButtonVisibility(boolean visible); 161 162 /** 163 * @param enabled Whether the button is enabled. 164 */ 165 void setDeleteEnabled(boolean enabled); 166 167 /** 168 * @param visible Whether the button is visible. 169 */ 170 void setShareButtonVisibility(boolean visible); 171 172 /** 173 * @param enabled Whether the button is enabled. 174 */ 175 void setShareEnabled(boolean enabled); 176 177 /** 178 * Sets the texts for progress UI. 179 * 180 * @param text The text to show. 181 */ 182 void setProgressText(CharSequence text); 183 184 /** 185 * Sets the progress. 186 * 187 * @param progress The progress value. Should be between 0 and 100. 188 */ 189 void setProgress(int progress); 190 191 /** 192 * Replaces the progress UI with an error message. 193 */ 194 void showProgressError(CharSequence message); 195 196 /** 197 * Hide the progress error message. 198 */ 199 void hideProgressError(); 200 201 /** 202 * Shows the progress. 203 */ 204 void showProgress(); 205 206 /** 207 * Hides the progress. 208 */ 209 void hideProgress(); 210 211 /** 212 * Shows the controls. 213 */ 214 void showControls(); 215 216 /** 217 * Hides the controls. 218 */ 219 void hideControls(); 220 221 /** 222 * Classes implementing this interface can listen for events on the bottom 223 * controls. 224 */ 225 public static interface Listener { 226 /** 227 * Called when the user pressed the "view" button to e.g. view a photo 228 * sphere or RGBZ image. 229 */ 230 public void onExternalViewer(); 231 232 /** 233 * Called when the "edit" button is pressed. 234 */ 235 public void onEdit(); 236 237 /** 238 * Called when the "tiny planet" button is pressed. 239 */ 240 public void onTinyPlanet(); 241 242 /** 243 * Called when the "delete" button is pressed. 244 */ 245 public void onDelete(); 246 247 /** 248 * Called when the "share" button is pressed. 249 */ 250 public void onShare(); 251 252 /** 253 * Called when the progress error message is clicked. 254 */ 255 public void onProgressErrorClicked(); 256 } 257 } 258 259 /** 260 * BottomBarUISpec provides a structure for modules 261 * to specify their ideal bottom bar mode options layout. 262 * 263 * Once constructed by a module, this class should be 264 * treated as read only. 265 * 266 * The application then edits this spec according to 267 * hardware limitations and displays the final bottom 268 * bar ui. 269 */ 270 public static class BottomBarUISpec { 271 /** Mode options UI */ 272 273 /** 274 * Set true if the camera option should be enabled. 275 * If not set or false, and multiple cameras are supported, 276 * the camera option will be disabled. 277 * 278 * If multiple cameras are not supported, this preference 279 * is ignored and the camera option will not be visible. 280 */ 281 public boolean enableCamera; 282 283 /** 284 * Set true if the camera option should not be visible, regardless 285 * of hardware limitations. 286 */ 287 public boolean hideCamera; 288 289 /** 290 * Set true if the photo flash option should be enabled. 291 * If not set or false, the photo flash option will be 292 * disabled. 293 * 294 * If the hardware does not support multiple flash values, 295 * this preference is ignored and the flash option will 296 * be disabled. It will not be made invisible in order to 297 * preserve a consistent experience across devices and between 298 * front and back cameras. 299 */ 300 public boolean enableFlash; 301 302 /** 303 * Set true if the video flash option should be enabled. 304 * Same disable rules apply as the photo flash option. 305 */ 306 public boolean enableTorchFlash; 307 308 /** 309 * Set true if the HDR+ flash option should be enabled. 310 * Same disable rules apply as the photo flash option. 311 */ 312 public boolean enableHdrPlusFlash; 313 314 /** 315 * Set true if flash should not be visible, regardless of 316 * hardware limitations. 317 */ 318 public boolean hideFlash; 319 320 /** 321 * Set true if the hdr/hdr+ option should be enabled. 322 * If not set or false, the hdr/hdr+ option will be disabled. 323 * 324 * Hdr or hdr+ will be chosen based on hardware limitations, 325 * with hdr+ prefered. 326 * 327 * If hardware supports neither hdr nor hdr+, then the hdr/hdr+ 328 * will not be visible. 329 */ 330 public boolean enableHdr; 331 332 /** 333 * Set true if hdr/hdr+ should not be visible, regardless of 334 * hardware limitations. 335 */ 336 public boolean hideHdr; 337 338 /** 339 * Set true if grid lines should be visible. Not setting this 340 * causes grid lines to be disabled. This option is agnostic to 341 * the hardware. 342 */ 343 public boolean enableGridLines; 344 345 /** 346 * Set true if grid lines should not be visible. 347 */ 348 public boolean hideGridLines; 349 350 /** 351 * Set true if the panorama orientation option should be visible. 352 * 353 * This option is not constrained by hardware limitations. 354 */ 355 public boolean enablePanoOrientation; 356 357 public boolean enableExposureCompensation; 358 359 /** Intent UI */ 360 361 /** 362 * Set true if the intent ui cancel option should be visible. 363 */ 364 public boolean showCancel; 365 /** 366 * Set true if the intent ui done option should be visible. 367 */ 368 public boolean showDone; 369 /** 370 * Set true if the intent ui retake option should be visible. 371 */ 372 public boolean showRetake; 373 /** 374 * Set true if the intent ui review option should be visible. 375 */ 376 public boolean showReview; 377 378 /** Mode options callbacks */ 379 380 /** 381 * A {@link com.android.camera.ButtonManager.ButtonCallback} 382 * that will be executed when the camera option is pressed. This 383 * callback can be null. 384 */ 385 public ButtonManager.ButtonCallback cameraCallback; 386 387 /** 388 * A {@link com.android.camera.ButtonManager.ButtonCallback} 389 * that will be executed when the flash option is pressed. This 390 * callback can be null. 391 */ 392 public ButtonManager.ButtonCallback flashCallback; 393 394 /** 395 * A {@link com.android.camera.ButtonManager.ButtonCallback} 396 * that will be executed when the hdr/hdr+ option is pressed. This 397 * callback can be null. 398 */ 399 public ButtonManager.ButtonCallback hdrCallback; 400 401 /** 402 * A {@link com.android.camera.ButtonManager.ButtonCallback} 403 * that will be executed when the grid lines option is pressed. This 404 * callback can be null. 405 */ 406 public ButtonManager.ButtonCallback gridLinesCallback; 407 408 /** 409 * A {@link com.android.camera.ButtonManager.ButtonCallback} 410 * that will execute when the panorama orientation option is pressed. 411 * This callback can be null. 412 */ 413 public ButtonManager.ButtonCallback panoOrientationCallback; 414 415 /** Intent UI callbacks */ 416 417 /** 418 * A {@link android.view.View.OnClickListener} that will execute 419 * when the cancel option is pressed. This callback can be null. 420 */ 421 public View.OnClickListener cancelCallback; 422 423 /** 424 * A {@link android.view.View.OnClickListener} that will execute 425 * when the done option is pressed. This callback can be null. 426 */ 427 public View.OnClickListener doneCallback; 428 429 /** 430 * A {@link android.view.View.OnClickListener} that will execute 431 * when the retake option is pressed. This callback can be null. 432 */ 433 public View.OnClickListener retakeCallback; 434 435 /** 436 * A {@link android.view.View.OnClickListener} that will execute 437 * when the review option is pressed. This callback can be null. 438 */ 439 public View.OnClickListener reviewCallback; 440 441 /** 442 * A ExposureCompensationSetCallback that will execute 443 * when an expsosure button is pressed. This callback can be null. 444 */ 445 public interface ExposureCompensationSetCallback { 446 public void setExposure(int value); 447 } 448 public ExposureCompensationSetCallback exposureCompensationSetCallback; 449 450 /** 451 * Exposure compensation parameters. 452 */ 453 public int minExposureCompensation; 454 public int maxExposureCompensation; 455 public float exposureCompensationStep; 456 457 /** 458 * Whether self-timer is enabled. 459 */ 460 public boolean enableSelfTimer = false; 461 462 /** 463 * Whether the option for self-timer should show. If true and 464 * {@link #enableSelfTimer} is false, then the option should be shown 465 * disabled. 466 */ 467 public boolean showSelfTimer = false; 468 } 469 470 471 private final static Log.Tag TAG = new Log.Tag("CameraAppUI"); 472 473 private final AppController mController; 474 private final boolean mIsCaptureIntent; 475 private final AnimationManager mAnimationManager; 476 477 // Swipe states: 478 private final static int IDLE = 0; 479 private final static int SWIPE_UP = 1; 480 private final static int SWIPE_DOWN = 2; 481 private final static int SWIPE_LEFT = 3; 482 private final static int SWIPE_RIGHT = 4; 483 private boolean mSwipeEnabled = true; 484 485 // Shared Surface Texture properities. 486 private SurfaceTexture mSurface; 487 private int mSurfaceWidth; 488 private int mSurfaceHeight; 489 490 // Touch related measures: 491 private final int mSlop; 492 private final static int SWIPE_TIME_OUT_MS = 500; 493 494 // Mode cover states: 495 private final static int COVER_HIDDEN = 0; 496 private final static int COVER_SHOWN = 1; 497 private final static int COVER_WILL_HIDE_AT_NEXT_FRAME = 2; 498 private static final int COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE = 3; 499 500 /** 501 * Preview down-sample rate when taking a screenshot. 502 */ 503 private final static int DOWN_SAMPLE_RATE_FOR_SCREENSHOT = 2; 504 505 // App level views: 506 private final FrameLayout mCameraRootView; 507 private final ModeTransitionView mModeTransitionView; 508 private final MainActivityLayout mAppRootView; 509 private final ModeListView mModeListView; 510 private final FilmstripLayout mFilmstripLayout; 511 private TextureView mTextureView; 512 private FrameLayout mModuleUI; 513 private ShutterButton mShutterButton; 514 private View mLetterBoxer1; 515 private View mLetterBoxer2; 516 private BottomBar mBottomBar; 517 private ModeOptionsOverlay mModeOptionsOverlay; 518 private IndicatorIconController mIndicatorIconController; 519 private View mFocusOverlay; 520 private FrameLayout mTutorialsPlaceHolderWrapper; 521 private BottomBarModeOptionsWrapper mIndicatorBottomBarWrapper; 522 private TextureViewHelper mTextureViewHelper; 523 private final GestureDetector mGestureDetector; 524 private DisplayManager.DisplayListener mDisplayListener; 525 private int mLastRotation; 526 private int mSwipeState = IDLE; 527 private PreviewOverlay mPreviewOverlay; 528 private GridLines mGridLines; 529 private CaptureAnimationOverlay mCaptureOverlay; 530 private PreviewStatusListener mPreviewStatusListener; 531 private int mModeCoverState = COVER_HIDDEN; 532 private final FilmstripBottomPanel mFilmstripBottomControls; 533 private final FilmstripContentPanel mFilmstripPanel; 534 private Runnable mHideCoverRunnable; 535 private final View.OnLayoutChangeListener mPreviewLayoutChangeListener 536 = new View.OnLayoutChangeListener() { 537 @Override 538 public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, 539 int oldTop, int oldRight, int oldBottom) { 540 if (mPreviewStatusListener != null) { 541 mPreviewStatusListener.onPreviewLayoutChanged(v, left, top, right, bottom, oldLeft, 542 oldTop, oldRight, oldBottom); 543 } 544 } 545 }; 546 private View mModeOptionsToggle; 547 private final PeekView mPeekView; 548 private final CaptureLayoutHelper mCaptureLayoutHelper; 549 private boolean mAccessibilityEnabled; 550 private final View mAccessibilityAffordances; 551 552 /** 553 * Provides current preview frame and the controls/overlay from the module that 554 * are shown on top of the preview. 555 */ 556 public interface CameraModuleScreenShotProvider { 557 /** 558 * Returns the current preview frame down-sampled using the given down-sample 559 * factor. 560 * 561 * @param downSampleFactor the down sample factor for down sampling the 562 * preview frame. (e.g. a down sample factor of 563 * 2 means to scale down the preview frame to 1/2 564 * the width and height.) 565 * @return down-sampled preview frame 566 */ 567 public Bitmap getPreviewFrame(int downSampleFactor); 568 569 /** 570 * @return the controls and overlays that are currently showing on top of 571 * the preview drawn into a bitmap with no scaling applied. 572 */ 573 public Bitmap getPreviewOverlayAndControls(); 574 575 /** 576 * Returns a bitmap containing the current screenshot. 577 * 578 * @param previewDownSampleFactor the downsample factor applied on the 579 * preview frame when taking the screenshot 580 */ 581 public Bitmap getScreenShot(int previewDownSampleFactor); 582 } 583 584 /** 585 * This listener gets called when the size of the window (excluding the system 586 * decor such as status bar and nav bar) has changed. 587 */ 588 public interface NonDecorWindowSizeChangedListener { 589 public void onNonDecorWindowSizeChanged(int width, int height, int rotation); 590 } 591 592 private final CameraModuleScreenShotProvider mCameraModuleScreenShotProvider = 593 new CameraModuleScreenShotProvider() { 594 @Override 595 public Bitmap getPreviewFrame(int downSampleFactor) { 596 if (mCameraRootView == null || mTextureView == null) { 597 return null; 598 } 599 // Gets the bitmap from the preview TextureView. 600 Bitmap preview = mTextureViewHelper.getPreviewBitmap(downSampleFactor); 601 return preview; 602 } 603 604 @Override 605 public Bitmap getPreviewOverlayAndControls() { 606 Bitmap overlays = Bitmap.createBitmap(mCameraRootView.getWidth(), 607 mCameraRootView.getHeight(), Bitmap.Config.ARGB_8888); 608 Canvas canvas = new Canvas(overlays); 609 mCameraRootView.draw(canvas); 610 return overlays; 611 } 612 613 @Override 614 public Bitmap getScreenShot(int previewDownSampleFactor) { 615 Bitmap screenshot = Bitmap.createBitmap(mCameraRootView.getWidth(), 616 mCameraRootView.getHeight(), Bitmap.Config.ARGB_8888); 617 Canvas canvas = new Canvas(screenshot); 618 canvas.drawARGB(255, 0, 0, 0); 619 Bitmap preview = mTextureViewHelper.getPreviewBitmap(previewDownSampleFactor); 620 if (preview != null) { 621 canvas.drawBitmap(preview, null, mTextureViewHelper.getPreviewArea(), null); 622 } 623 Bitmap overlay = getPreviewOverlayAndControls(); 624 if (overlay != null) { 625 canvas.drawBitmap(overlay, 0f, 0f, null); 626 } 627 return screenshot; 628 } 629 }; 630 631 private long mCoverHiddenTime = -1; // System time when preview cover was hidden. 632 633 public long getCoverHiddenTime() { 634 return mCoverHiddenTime; 635 } 636 637 /** 638 * This resets the preview to have no applied transform matrix. 639 */ 640 public void clearPreviewTransform() { 641 mTextureViewHelper.clearTransform(); 642 } 643 644 public void updatePreviewAspectRatio(float aspectRatio) { 645 mTextureViewHelper.updateAspectRatio(aspectRatio); 646 } 647 648 /** 649 * WAR: Reset the SurfaceTexture's default buffer size to the current view dimensions of 650 * its TextureView. This is necessary to get the expected behavior for the TextureView's 651 * HardwareLayer transform matrix (set by TextureView#setTransform) after configuring the 652 * SurfaceTexture as an output for the Camera2 API (which involves changing the default buffer 653 * size). 654 * 655 * b/17286155 - Tracking a fix for this in HardwareLayer. 656 */ 657 public void setDefaultBufferSizeToViewDimens() { 658 if (mSurface == null || mTextureView == null) { 659 Log.w(TAG, "Could not set SurfaceTexture default buffer dimensions, not yet setup"); 660 return; 661 } 662 mSurface.setDefaultBufferSize(mTextureView.getWidth(), mTextureView.getHeight()); 663 } 664 665 /** 666 * Updates the preview matrix without altering it. 667 * 668 * @param matrix 669 * @param aspectRatio the desired aspect ratio for the preview. 670 */ 671 public void updatePreviewTransformFullscreen(Matrix matrix, float aspectRatio) { 672 mTextureViewHelper.updateTransformFullScreen(matrix, aspectRatio); 673 } 674 675 /** 676 * @return the rect that will display the preview. 677 */ 678 public RectF getFullscreenRect() { 679 return mTextureViewHelper.getFullscreenRect(); 680 } 681 682 /** 683 * This is to support modules that calculate their own transform matrix because 684 * they need to use a transform matrix to rotate the preview. 685 * 686 * @param matrix transform matrix to be set on the TextureView 687 */ 688 public void updatePreviewTransform(Matrix matrix) { 689 mTextureViewHelper.updateTransform(matrix); 690 } 691 692 public interface AnimationFinishedListener { 693 public void onAnimationFinished(boolean success); 694 } 695 696 private class MyTouchListener implements View.OnTouchListener { 697 private boolean mScaleStarted = false; 698 @Override 699 public boolean onTouch(View v, MotionEvent event) { 700 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 701 mScaleStarted = false; 702 } else if (event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) { 703 mScaleStarted = true; 704 } 705 return (!mScaleStarted) && mGestureDetector.onTouchEvent(event); 706 } 707 } 708 709 /** 710 * This gesture listener finds out the direction of the scroll gestures and 711 * sends them to CameraAppUI to do further handling. 712 */ 713 private class MyGestureListener extends GestureDetector.SimpleOnGestureListener { 714 private MotionEvent mDown; 715 716 @Override 717 public boolean onScroll(MotionEvent e1, MotionEvent ev, float distanceX, float distanceY) { 718 if (ev.getEventTime() - ev.getDownTime() > SWIPE_TIME_OUT_MS 719 || mSwipeState != IDLE 720 || mIsCaptureIntent 721 || !mSwipeEnabled) { 722 return false; 723 } 724 725 int deltaX = (int) (ev.getX() - mDown.getX()); 726 int deltaY = (int) (ev.getY() - mDown.getY()); 727 if (ev.getActionMasked() == MotionEvent.ACTION_MOVE) { 728 if (Math.abs(deltaX) > mSlop || Math.abs(deltaY) > mSlop) { 729 // Calculate the direction of the swipe. 730 if (deltaX >= Math.abs(deltaY)) { 731 // Swipe right. 732 setSwipeState(SWIPE_RIGHT); 733 } else if (deltaX <= -Math.abs(deltaY)) { 734 // Swipe left. 735 setSwipeState(SWIPE_LEFT); 736 } 737 } 738 } 739 return true; 740 } 741 742 private void setSwipeState(int swipeState) { 743 mSwipeState = swipeState; 744 // Notify new swipe detected. 745 onSwipeDetected(swipeState); 746 } 747 748 @Override 749 public boolean onDown(MotionEvent ev) { 750 mDown = MotionEvent.obtain(ev); 751 mSwipeState = IDLE; 752 return false; 753 } 754 } 755 756 public CameraAppUI(AppController controller, MainActivityLayout appRootView, 757 boolean isCaptureIntent) { 758 mSlop = ViewConfiguration.get(controller.getAndroidContext()).getScaledTouchSlop(); 759 mController = controller; 760 mIsCaptureIntent = isCaptureIntent; 761 762 mAppRootView = appRootView; 763 mFilmstripLayout = (FilmstripLayout) appRootView.findViewById(R.id.filmstrip_layout); 764 mCameraRootView = (FrameLayout) appRootView.findViewById(R.id.camera_app_root); 765 mModeTransitionView = (ModeTransitionView) 766 mAppRootView.findViewById(R.id.mode_transition_view); 767 mFilmstripBottomControls = new FilmstripBottomPanel(controller, 768 (ViewGroup) mAppRootView.findViewById(R.id.filmstrip_bottom_panel)); 769 mFilmstripPanel = (FilmstripContentPanel) mAppRootView.findViewById(R.id.filmstrip_layout); 770 mGestureDetector = new GestureDetector(controller.getAndroidContext(), 771 new MyGestureListener()); 772 Resources res = controller.getAndroidContext().getResources(); 773 mCaptureLayoutHelper = new CaptureLayoutHelper( 774 res.getDimensionPixelSize(R.dimen.bottom_bar_height_min), 775 res.getDimensionPixelSize(R.dimen.bottom_bar_height_max), 776 res.getDimensionPixelSize(R.dimen.bottom_bar_height_optimal)); 777 mModeListView = (ModeListView) appRootView.findViewById(R.id.mode_list_layout); 778 if (mModeListView != null) { 779 mModeListView.setModeSwitchListener(this); 780 mModeListView.setModeListOpenListener(this); 781 mModeListView.setCameraModuleScreenShotProvider(mCameraModuleScreenShotProvider); 782 mModeListView.setCaptureLayoutHelper(mCaptureLayoutHelper); 783 boolean shouldShowSettingsCling = mController.getSettingsManager().getBoolean( 784 SettingsManager.SCOPE_GLOBAL, 785 Keys.KEY_SHOULD_SHOW_SETTINGS_BUTTON_CLING); 786 mModeListView.setShouldShowSettingsCling(shouldShowSettingsCling); 787 } else { 788 Log.e(TAG, "Cannot find mode list in the view hierarchy"); 789 } 790 mAnimationManager = new AnimationManager(); 791 mPeekView = (PeekView) appRootView.findViewById(R.id.peek_view); 792 mAppRootView.setNonDecorWindowSizeChangedListener(mCaptureLayoutHelper); 793 initDisplayListener(); 794 mAccessibilityAffordances = mAppRootView.findViewById(R.id.accessibility_affordances); 795 View modeListToggle = mAppRootView.findViewById(R.id.accessibility_mode_toggle_button); 796 modeListToggle.setOnClickListener(new View.OnClickListener() { 797 @Override 798 public void onClick(View view) { 799 openModeList(); 800 } 801 }); 802 View filmstripToggle = mAppRootView.findViewById( 803 R.id.accessibility_filmstrip_toggle_button); 804 filmstripToggle.setOnClickListener(new View.OnClickListener() { 805 @Override 806 public void onClick(View view) { 807 showFilmstrip(); 808 } 809 }); 810 } 811 812 813 /** 814 * Freeze what is currently shown on screen until the next preview frame comes 815 * in. 816 */ 817 public void freezeScreenUntilPreviewReady() { 818 Log.v(TAG, "freezeScreenUntilPreviewReady"); 819 mModeTransitionView.setupModeCover(mCameraModuleScreenShotProvider 820 .getScreenShot(DOWN_SAMPLE_RATE_FOR_SCREENSHOT)); 821 mHideCoverRunnable = new Runnable() { 822 @Override 823 public void run() { 824 mModeTransitionView.hideImageCover(); 825 } 826 }; 827 mModeCoverState = COVER_SHOWN; 828 } 829 830 /** 831 * Creates a cling for the specific viewer and links the cling to the corresponding 832 * button for layout position. 833 * 834 * @param viewerType defines which viewer the cling is for. 835 */ 836 public void setupClingForViewer(int viewerType) { 837 if (viewerType == BottomPanel.VIEWER_REFOCUS) { 838 FrameLayout filmstripContent = (FrameLayout) mAppRootView 839 .findViewById(R.id.camera_filmstrip_content_layout); 840 if (filmstripContent != null) { 841 // Creates refocus cling. 842 LayoutInflater inflater = (LayoutInflater) mController.getAndroidContext() 843 .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 844 Cling refocusCling = (Cling) inflater.inflate(R.layout.cling_widget, null, false); 845 // Sets instruction text in the cling. 846 refocusCling.setText(mController.getAndroidContext().getResources() 847 .getString(R.string.cling_text_for_refocus_editor_button)); 848 849 // Adds cling into view hierarchy. 850 int clingWidth = mController.getAndroidContext() 851 .getResources().getDimensionPixelSize(R.dimen.default_cling_width); 852 filmstripContent.addView(refocusCling, clingWidth, 853 ViewGroup.LayoutParams.WRAP_CONTENT); 854 mFilmstripBottomControls.setClingForViewer(viewerType, refocusCling); 855 } 856 } 857 } 858 859 /** 860 * Clears the listeners for the cling and remove it from the view hierarchy. 861 * 862 * @param viewerType defines which viewer the cling is for. 863 */ 864 public void clearClingForViewer(int viewerType) { 865 Cling clingToBeRemoved = mFilmstripBottomControls.getClingForViewer(viewerType); 866 if (clingToBeRemoved == null) { 867 // No cling is created for the specific viewer type. 868 return; 869 } 870 mFilmstripBottomControls.clearClingForViewer(viewerType); 871 clingToBeRemoved.setVisibility(View.GONE); 872 mAppRootView.removeView(clingToBeRemoved); 873 } 874 875 /** 876 * Enable or disable swipe gestures. We want to disable them e.g. while we 877 * record a video. 878 */ 879 public void setSwipeEnabled(boolean enabled) { 880 mSwipeEnabled = enabled; 881 // TODO: This can be removed once we come up with a new design for handling swipe 882 // on shutter button and mode options. (More details: b/13751653) 883 mAppRootView.setSwipeEnabled(enabled); 884 } 885 886 public void onDestroy() { 887 ((DisplayManager) mController.getAndroidContext() 888 .getSystemService(Context.DISPLAY_SERVICE)) 889 .unregisterDisplayListener(mDisplayListener); 890 } 891 892 /** 893 * Initializes the display listener to listen to display changes such as 894 * 180-degree rotation change, which will not have an onConfigurationChanged 895 * callback. 896 */ 897 private void initDisplayListener() { 898 if (ApiHelper.HAS_DISPLAY_LISTENER) { 899 mLastRotation = CameraUtil.getDisplayRotation(mController.getAndroidContext()); 900 901 mDisplayListener = new DisplayManager.DisplayListener() { 902 @Override 903 public void onDisplayAdded(int arg0) { 904 // Do nothing. 905 } 906 907 @Override 908 public void onDisplayChanged(int displayId) { 909 int rotation = CameraUtil.getDisplayRotation( 910 mController.getAndroidContext()); 911 if ((rotation - mLastRotation + 360) % 360 == 180 912 && mPreviewStatusListener != null) { 913 mPreviewStatusListener.onPreviewFlipped(); 914 mIndicatorBottomBarWrapper.requestLayout(); 915 mModeListView.requestLayout(); 916 mTextureView.requestLayout(); 917 } 918 mLastRotation = rotation; 919 } 920 921 @Override 922 public void onDisplayRemoved(int arg0) { 923 // Do nothing. 924 } 925 }; 926 927 ((DisplayManager) mController.getAndroidContext() 928 .getSystemService(Context.DISPLAY_SERVICE)) 929 .registerDisplayListener(mDisplayListener, null); 930 } 931 } 932 933 /** 934 * Redirects touch events to appropriate recipient views based on swipe direction. 935 * More specifically, swipe up and swipe down will be handled by the view that handles 936 * mode transition; swipe left will be send to filmstrip; swipe right will be redirected 937 * to mode list in order to bring up mode list. 938 */ 939 private void onSwipeDetected(int swipeState) { 940 if (swipeState == SWIPE_UP || swipeState == SWIPE_DOWN) { 941 // TODO: Polish quick switch after this release. 942 // Quick switch between modes. 943 int currentModuleIndex = mController.getCurrentModuleIndex(); 944 final int moduleToTransitionTo = 945 mController.getQuickSwitchToModuleId(currentModuleIndex); 946 if (currentModuleIndex != moduleToTransitionTo) { 947 mAppRootView.redirectTouchEventsTo(mModeTransitionView); 948 949 int shadeColorId = R.color.mode_cover_default_color; 950 int iconRes = CameraUtil.getCameraModeCoverIconResId(moduleToTransitionTo, 951 mController.getAndroidContext()); 952 953 AnimationFinishedListener listener = new AnimationFinishedListener() { 954 @Override 955 public void onAnimationFinished(boolean success) { 956 if (success) { 957 mHideCoverRunnable = new Runnable() { 958 @Override 959 public void run() { 960 mModeTransitionView.startPeepHoleAnimation(); 961 } 962 }; 963 mModeCoverState = COVER_SHOWN; 964 // Go to new module when the previous operation is successful. 965 mController.onModeSelected(moduleToTransitionTo); 966 } 967 } 968 }; 969 if (mSwipeState == SWIPE_UP) { 970 mModeTransitionView.prepareToPullUpShade(shadeColorId, iconRes, listener); 971 } else { 972 mModeTransitionView.prepareToPullDownShade(shadeColorId, iconRes, listener); 973 } 974 } 975 } else if (swipeState == SWIPE_LEFT) { 976 // Pass the touch sequence to filmstrip layout. 977 mAppRootView.redirectTouchEventsTo(mFilmstripLayout); 978 } else if (swipeState == SWIPE_RIGHT) { 979 // Pass the touch to mode switcher 980 mAppRootView.redirectTouchEventsTo(mModeListView); 981 } 982 } 983 984 /** 985 * Gets called when activity resumes in preview. 986 */ 987 public void resume() { 988 // Show mode theme cover until preview is ready 989 showModeCoverUntilPreviewReady(); 990 991 // Hide action bar first since we are in full screen mode first, and 992 // switch the system UI to lights-out mode. 993 mFilmstripPanel.hide(); 994 995 // Show UI that is meant to only be used when spoken feedback is 996 // enabled. 997 mAccessibilityEnabled = isSpokenFeedbackAccessibilityEnabled(); 998 mAccessibilityAffordances.setVisibility(mAccessibilityEnabled ? View.VISIBLE : View.GONE); 999 } 1000 1001 /** 1002 * @return Whether any spoken feedback accessibility feature is currently 1003 * enabled. 1004 */ 1005 private boolean isSpokenFeedbackAccessibilityEnabled() { 1006 AccessibilityManager accessibilityManager = (AccessibilityManager) mController 1007 .getAndroidContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 1008 List<AccessibilityServiceInfo> infos = accessibilityManager 1009 .getEnabledAccessibilityServiceList(AccessibilityServiceInfo.FEEDBACK_SPOKEN); 1010 return infos != null && !infos.isEmpty(); 1011 } 1012 1013 /** 1014 * Opens the mode list (e.g. because of the menu button being pressed) and 1015 * adapts the rest of the UI. 1016 */ 1017 public void openModeList() { 1018 mModeOptionsOverlay.closeModeOptions(); 1019 mModeListView.onMenuPressed(); 1020 } 1021 1022 /** 1023 * A cover view showing the mode theme color and mode icon will be visible on 1024 * top of preview until preview is ready (i.e. camera preview is started and 1025 * the first frame has been received). 1026 */ 1027 private void showModeCoverUntilPreviewReady() { 1028 int modeId = mController.getCurrentModuleIndex(); 1029 int colorId = R.color.mode_cover_default_color;; 1030 int iconId = CameraUtil.getCameraModeCoverIconResId(modeId, mController.getAndroidContext()); 1031 mModeTransitionView.setupModeCover(colorId, iconId); 1032 mHideCoverRunnable = new Runnable() { 1033 @Override 1034 public void run() { 1035 mModeTransitionView.hideModeCover(null); 1036 showShimmyDelayed(); 1037 } 1038 }; 1039 mModeCoverState = COVER_SHOWN; 1040 } 1041 1042 private void showShimmyDelayed() { 1043 if (!mIsCaptureIntent) { 1044 // Show shimmy in SHIMMY_DELAY_MS 1045 mModeListView.showModeSwitcherHint(); 1046 } 1047 } 1048 1049 private void hideModeCover() { 1050 if (mHideCoverRunnable != null) { 1051 mAppRootView.post(mHideCoverRunnable); 1052 mHideCoverRunnable = null; 1053 } 1054 mModeCoverState = COVER_HIDDEN; 1055 if (mCoverHiddenTime < 0) { 1056 mCoverHiddenTime = System.currentTimeMillis(); 1057 } 1058 } 1059 1060 1061 public void onPreviewVisiblityChanged(int visibility) { 1062 if (visibility == ModuleController.VISIBILITY_HIDDEN) { 1063 setIndicatorBottomBarWrapperVisible(false); 1064 mAccessibilityAffordances.setVisibility(View.GONE); 1065 } else { 1066 setIndicatorBottomBarWrapperVisible(true); 1067 if (mAccessibilityEnabled) { 1068 mAccessibilityAffordances.setVisibility(View.VISIBLE); 1069 } else { 1070 mAccessibilityAffordances.setVisibility(View.GONE); 1071 } 1072 } 1073 } 1074 1075 /** 1076 * Call to stop the preview from being rendered. 1077 */ 1078 public void pausePreviewRendering() { 1079 mTextureView.setVisibility(View.INVISIBLE); 1080 } 1081 1082 /** 1083 * Call to begin rendering the preview again. 1084 */ 1085 public void resumePreviewRendering() { 1086 mTextureView.setVisibility(View.VISIBLE); 1087 } 1088 1089 /** 1090 * Returns the transform associated with the preview view. 1091 * 1092 * @param m the Matrix in which to copy the current transform. 1093 * @return The specified matrix if not null or a new Matrix instance 1094 * otherwise. 1095 */ 1096 public Matrix getPreviewTransform(Matrix m) { 1097 return mTextureView.getTransform(m); 1098 } 1099 1100 @Override 1101 public void onOpenFullScreen() { 1102 // Do nothing. 1103 } 1104 1105 @Override 1106 public void onModeListOpenProgress(float progress) { 1107 progress = 1 - progress; 1108 float interpolatedProgress = Gusterpolator.INSTANCE.getInterpolation(progress); 1109 mModeOptionsToggle.setAlpha(interpolatedProgress); 1110 // Change shutter button alpha linearly based on the mode list open progress: 1111 // set the alpha to disabled alpha when list is fully open, to enabled alpha 1112 // when the list is fully closed. 1113 mShutterButton.setAlpha(progress * ShutterButton.ALPHA_WHEN_ENABLED 1114 + (1 - progress) * ShutterButton.ALPHA_WHEN_DISABLED); 1115 } 1116 1117 @Override 1118 public void onModeListClosed() { 1119 // Make sure the alpha on mode options ellipse is reset when mode drawer 1120 // is closed. 1121 mModeOptionsToggle.setAlpha(1f); 1122 mShutterButton.setAlpha(ShutterButton.ALPHA_WHEN_ENABLED); 1123 } 1124 1125 /** 1126 * Called when the back key is pressed. 1127 * 1128 * @return Whether the UI responded to the key event. 1129 */ 1130 public boolean onBackPressed() { 1131 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 1132 return mFilmstripLayout.onBackPressed(); 1133 } else { 1134 return mModeListView.onBackPressed(); 1135 } 1136 } 1137 1138 /** 1139 * Sets a {@link com.android.camera.ui.PreviewStatusListener} that 1140 * listens to SurfaceTexture changes. In addition, listeners are set on 1141 * dependent app ui elements. 1142 * 1143 * @param previewStatusListener the listener that gets notified when SurfaceTexture 1144 * changes 1145 */ 1146 public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) { 1147 mPreviewStatusListener = previewStatusListener; 1148 if (mPreviewStatusListener != null) { 1149 onPreviewListenerChanged(); 1150 } 1151 } 1152 1153 /** 1154 * When the PreviewStatusListener changes, listeners need to be 1155 * set on the following app ui elements: 1156 * {@link com.android.camera.ui.PreviewOverlay}, 1157 * {@link com.android.camera.ui.BottomBar}, 1158 * {@link com.android.camera.ui.IndicatorIconController}. 1159 */ 1160 private void onPreviewListenerChanged() { 1161 // Set a listener for recognizing preview gestures. 1162 GestureDetector.OnGestureListener gestureListener 1163 = mPreviewStatusListener.getGestureListener(); 1164 if (gestureListener != null) { 1165 mPreviewOverlay.setGestureListener(gestureListener); 1166 } 1167 View.OnTouchListener touchListener = mPreviewStatusListener.getTouchListener(); 1168 if (touchListener != null) { 1169 mPreviewOverlay.setTouchListener(touchListener); 1170 } 1171 1172 mTextureViewHelper.setAutoAdjustTransform( 1173 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()); 1174 } 1175 1176 /** 1177 * This method should be called in onCameraOpened. It defines CameraAppUI 1178 * specific changes that depend on the camera or camera settings. 1179 */ 1180 public void onChangeCamera() { 1181 ModuleController moduleController = mController.getCurrentModuleController(); 1182 applyModuleSpecs(moduleController.getHardwareSpec(), moduleController.getBottomBarSpec()); 1183 1184 if (mIndicatorIconController != null) { 1185 // Sync the settings state with the indicator state. 1186 mIndicatorIconController.syncIndicators(); 1187 } 1188 } 1189 1190 /** 1191 * Adds a listener to receive callbacks when preview area changes. 1192 */ 1193 public void addPreviewAreaChangedListener( 1194 PreviewStatusListener.PreviewAreaChangedListener listener) { 1195 mTextureViewHelper.addPreviewAreaSizeChangedListener(listener); 1196 } 1197 1198 /** 1199 * Removes a listener that receives callbacks when preview area changes. 1200 */ 1201 public void removePreviewAreaChangedListener( 1202 PreviewStatusListener.PreviewAreaChangedListener listener) { 1203 mTextureViewHelper.removePreviewAreaSizeChangedListener(listener); 1204 } 1205 1206 /** 1207 * This inflates generic_module layout, which contains all the shared views across 1208 * modules. Then each module inflates their own views in the given view group. For 1209 * now, this is called every time switching from a not-yet-refactored module to a 1210 * refactored module. In the future, this should only need to be done once per app 1211 * start. 1212 */ 1213 public void prepareModuleUI() { 1214 mController.getSettingsManager().addListener(this); 1215 mModuleUI = (FrameLayout) mCameraRootView.findViewById(R.id.module_layout); 1216 mTextureView = (TextureView) mCameraRootView.findViewById(R.id.preview_content); 1217 mTextureViewHelper = new TextureViewHelper(mTextureView, mCaptureLayoutHelper, 1218 mController.getCameraProvider()); 1219 mTextureViewHelper.setSurfaceTextureListener(this); 1220 mTextureViewHelper.setOnLayoutChangeListener(mPreviewLayoutChangeListener); 1221 1222 mBottomBar = (BottomBar) mCameraRootView.findViewById(R.id.bottom_bar); 1223 int unpressedColor = mController.getAndroidContext().getResources() 1224 .getColor(R.color.bottombar_unpressed); 1225 setBottomBarColor(unpressedColor); 1226 updateModeSpecificUIColors(); 1227 1228 mBottomBar.setCaptureLayoutHelper(mCaptureLayoutHelper); 1229 1230 mModeOptionsOverlay 1231 = (ModeOptionsOverlay) mCameraRootView.findViewById(R.id.mode_options_overlay); 1232 1233 // Sets the visibility of the bottom bar and the mode options. 1234 resetBottomControls(mController.getCurrentModuleController(), 1235 mController.getCurrentModuleIndex()); 1236 mModeOptionsOverlay.setCaptureLayoutHelper(mCaptureLayoutHelper); 1237 1238 mShutterButton = (ShutterButton) mCameraRootView.findViewById(R.id.shutter_button); 1239 addShutterListener(mController.getCurrentModuleController()); 1240 addShutterListener(mModeOptionsOverlay); 1241 addShutterListener(this); 1242 1243 mLetterBoxer1 = mCameraRootView.findViewById(R.id.leftLetterBoxer1); 1244 mLetterBoxer2 = mCameraRootView.findViewById(R.id.leftLetterBoxer2); 1245 1246 mGridLines = (GridLines) mCameraRootView.findViewById(R.id.grid_lines); 1247 mTextureViewHelper.addPreviewAreaSizeChangedListener(mGridLines); 1248 1249 mPreviewOverlay = (PreviewOverlay) mCameraRootView.findViewById(R.id.preview_overlay); 1250 mPreviewOverlay.setOnTouchListener(new MyTouchListener()); 1251 mPreviewOverlay.setOnPreviewTouchedListener(mModeOptionsOverlay); 1252 1253 mCaptureOverlay = (CaptureAnimationOverlay) 1254 mCameraRootView.findViewById(R.id.capture_overlay); 1255 mTextureViewHelper.addPreviewAreaSizeChangedListener(mPreviewOverlay); 1256 mTextureViewHelper.addPreviewAreaSizeChangedListener(mCaptureOverlay); 1257 1258 if (mIndicatorIconController == null) { 1259 mIndicatorIconController = 1260 new IndicatorIconController(mController, mAppRootView); 1261 } 1262 1263 mController.getButtonManager().load(mCameraRootView); 1264 mController.getButtonManager().setListener(mIndicatorIconController); 1265 mController.getSettingsManager().addListener(mIndicatorIconController); 1266 1267 mModeOptionsToggle = mCameraRootView.findViewById(R.id.mode_options_toggle); 1268 mFocusOverlay = mCameraRootView.findViewById(R.id.focus_overlay); 1269 mTutorialsPlaceHolderWrapper = (FrameLayout) mCameraRootView 1270 .findViewById(R.id.tutorials_placeholder_wrapper); 1271 mIndicatorBottomBarWrapper = (BottomBarModeOptionsWrapper) mAppRootView 1272 .findViewById(R.id.indicator_bottombar_wrapper); 1273 mIndicatorBottomBarWrapper.setCaptureLayoutHelper(mCaptureLayoutHelper); 1274 mTextureViewHelper.addPreviewAreaSizeChangedListener( 1275 new PreviewStatusListener.PreviewAreaChangedListener() { 1276 @Override 1277 public void onPreviewAreaChanged(RectF previewArea) { 1278 mPeekView.setTranslationX(previewArea.right - mAppRootView.getRight()); 1279 } 1280 }); 1281 1282 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeListView); 1283 mTextureViewHelper.addAspectRatioChangedListener( 1284 new PreviewStatusListener.PreviewAspectRatioChangedListener() { 1285 @Override 1286 public void onPreviewAspectRatioChanged(float aspectRatio) { 1287 mModeOptionsOverlay.requestLayout(); 1288 mBottomBar.requestLayout(); 1289 } 1290 } 1291 ); 1292 } 1293 1294 /** 1295 * Called indirectly from each module in their initialization to get a view group 1296 * to inflate the module specific views in. 1297 * 1298 * @return a view group for modules to attach views to 1299 */ 1300 public FrameLayout getModuleRootView() { 1301 // TODO: Change it to mModuleUI when refactor is done 1302 return mCameraRootView; 1303 } 1304 1305 /** 1306 * Remove all the module specific views. 1307 */ 1308 public void clearModuleUI() { 1309 if (mModuleUI != null) { 1310 mModuleUI.removeAllViews(); 1311 } 1312 removeShutterListener(mController.getCurrentModuleController()); 1313 mTutorialsPlaceHolderWrapper.removeAllViews(); 1314 mTutorialsPlaceHolderWrapper.setVisibility(View.GONE); 1315 1316 setShutterButtonEnabled(true); 1317 mPreviewStatusListener = null; 1318 mPreviewOverlay.reset(); 1319 mFocusOverlay.setVisibility(View.INVISIBLE); 1320 } 1321 1322 /** 1323 * Gets called when preview is ready to start. It sets up one shot preview callback 1324 * in order to receive a callback when the preview frame is available, so that 1325 * the preview cover can be hidden to reveal preview. 1326 * 1327 * An alternative for getting the timing to hide preview cover is through 1328 * {@link CameraAppUI#onSurfaceTextureUpdated(android.graphics.SurfaceTexture)}, 1329 * which is less accurate but therefore is the fallback for modules that manage 1330 * their own preview callbacks (as setting one preview callback will override 1331 * any other installed preview callbacks), or use camera2 API. 1332 */ 1333 public void onPreviewReadyToStart() { 1334 if (mModeCoverState == COVER_SHOWN) { 1335 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_FRAME; 1336 mController.setupOneShotPreviewListener(); 1337 } 1338 } 1339 1340 /** 1341 * Gets called when preview is started. 1342 */ 1343 public void onPreviewStarted() { 1344 Log.v(TAG, "onPreviewStarted"); 1345 if (mModeCoverState == COVER_SHOWN) { 1346 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE; 1347 } 1348 enableModeOptions(); 1349 } 1350 1351 /** 1352 * Gets notified when next preview frame comes in. 1353 */ 1354 public void onNewPreviewFrame() { 1355 Log.v(TAG, "onNewPreviewFrame"); 1356 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1357 hideModeCover(); 1358 mModeCoverState = COVER_HIDDEN; 1359 } 1360 1361 /** 1362 * Set the mode options toggle clickable. 1363 */ 1364 public void enableModeOptions() { 1365 /* 1366 * For modules using camera 1 api, this gets called in 1367 * onSurfaceTextureUpdated whenever the preview gets stopped and 1368 * started after each capture. This also takes care of the 1369 * case where the mode options might be unclickable when we 1370 * switch modes 1371 * 1372 * For modules using camera 2 api, they're required to call this 1373 * method when a capture is "completed". Unfortunately this differs 1374 * per module implementation. 1375 */ 1376 mModeOptionsOverlay.setToggleClickable(true); 1377 } 1378 1379 @Override 1380 public void onShutterButtonClick() { 1381 /* 1382 * Set the mode options toggle unclickable, generally 1383 * throughout the app, whenever the shutter button is clicked. 1384 * 1385 * This could be done in the OnShutterButtonListener of the 1386 * ModeOptionsOverlay, but since it is very important that we 1387 * can clearly see when the toggle becomes clickable again, 1388 * keep all of that logic at this level. 1389 */ 1390 mModeOptionsOverlay.setToggleClickable(false); 1391 } 1392 1393 @Override 1394 public void onShutterCoordinate(TouchCoordinate coord) { 1395 // Do nothing. 1396 } 1397 1398 @Override 1399 public void onShutterButtonFocus(boolean pressed) { 1400 // noop 1401 } 1402 1403 /** 1404 * Gets called when a mode is selected from {@link com.android.camera.ui.ModeListView} 1405 * 1406 * @param modeIndex mode index of the selected mode 1407 */ 1408 @Override 1409 public void onModeSelected(int modeIndex) { 1410 mHideCoverRunnable = new Runnable() { 1411 @Override 1412 public void run() { 1413 mModeListView.startModeSelectionAnimation(); 1414 } 1415 }; 1416 mModeCoverState = COVER_SHOWN; 1417 1418 int lastIndex = mController.getCurrentModuleIndex(); 1419 // Actual mode teardown / new mode initialization happens here 1420 mController.onModeSelected(modeIndex); 1421 int currentIndex = mController.getCurrentModuleIndex(); 1422 1423 if (lastIndex == currentIndex) { 1424 hideModeCover(); 1425 } 1426 1427 updateModeSpecificUIColors(); 1428 } 1429 1430 private void updateModeSpecificUIColors() { 1431 // set up UI colors to match the current mode 1432 /* 1433 int colorId = CameraUtil.getCameraThemeColorId(mController.getCurrentModuleIndex(), 1434 mController.getAndroidContext()); 1435 int pressedColor = mController.getAndroidContext().getResources().getColor(colorId); 1436 setBottomBarPressedColor(pressedColor); 1437 */ 1438 setBottomBarColorsForModeIndex(mController.getCurrentModuleIndex()); 1439 } 1440 1441 @Override 1442 public void onSettingsSelected() { 1443 mController.getSettingsManager().set(SettingsManager.SCOPE_GLOBAL, 1444 Keys.KEY_SHOULD_SHOW_SETTINGS_BUTTON_CLING, false); 1445 mModeListView.setShouldShowSettingsCling(false); 1446 mController.onSettingsSelected(); 1447 } 1448 1449 @Override 1450 public int getCurrentModeIndex() { 1451 return mController.getCurrentModuleIndex(); 1452 } 1453 1454 /********************** Capture animation **********************/ 1455 /* TODO: This session is subject to UX changes. In addition to the generic 1456 flash animation and post capture animation, consider designating a parameter 1457 for specifying the type of animation, as well as an animation finished listener 1458 so that modules can have more knowledge of the status of the animation. */ 1459 1460 /** 1461 * Starts the filmstrip peek animation. 1462 * 1463 * @param bitmap The bitmap to show. 1464 * @param strong Whether the animation shows more portion of the bitmap or 1465 * not. 1466 * @param accessibilityString An accessibility String to be announced 1467 during the peek animation. 1468 */ 1469 public void startPeekAnimation(Bitmap bitmap, boolean strong, String accessibilityString) { 1470 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 1471 return; 1472 } 1473 mPeekView.startPeekAnimation(bitmap, strong, accessibilityString); 1474 } 1475 1476 /** 1477 * Starts the pre-capture animation. 1478 * 1479 * @param shortFlash show shortest possible flash instead of regular long version. 1480 */ 1481 public void startPreCaptureAnimation(boolean shortFlash) { 1482 mCaptureOverlay.startFlashAnimation(shortFlash); 1483 } 1484 1485 /** 1486 * Cancels the pre-capture animation. 1487 */ 1488 public void cancelPreCaptureAnimation() { 1489 mAnimationManager.cancelAnimations(); 1490 } 1491 1492 /** 1493 * Cancels the post-capture animation. 1494 */ 1495 public void cancelPostCaptureAnimation() { 1496 mAnimationManager.cancelAnimations(); 1497 } 1498 1499 public FilmstripContentPanel getFilmstripContentPanel() { 1500 return mFilmstripPanel; 1501 } 1502 1503 /** 1504 * @return The {@link com.android.camera.app.CameraAppUI.BottomPanel} on the 1505 * bottom of the filmstrip. 1506 */ 1507 public BottomPanel getFilmstripBottomControls() { 1508 return mFilmstripBottomControls; 1509 } 1510 1511 public void showBottomControls() { 1512 mFilmstripBottomControls.show(); 1513 } 1514 1515 public void hideBottomControls() { 1516 mFilmstripBottomControls.hide(); 1517 } 1518 1519 /** 1520 * @param listener The listener for bottom controls. 1521 */ 1522 public void setFilmstripBottomControlsListener(BottomPanel.Listener listener) { 1523 mFilmstripBottomControls.setListener(listener); 1524 } 1525 1526 /***************************SurfaceTexture Api and Listener*********************************/ 1527 1528 /** 1529 * Return the shared surface texture. 1530 */ 1531 public SurfaceTexture getSurfaceTexture() { 1532 return mSurface; 1533 } 1534 1535 /** 1536 * Return the shared {@link android.graphics.SurfaceTexture}'s width. 1537 */ 1538 public int getSurfaceWidth() { 1539 return mSurfaceWidth; 1540 } 1541 1542 /** 1543 * Return the shared {@link android.graphics.SurfaceTexture}'s height. 1544 */ 1545 public int getSurfaceHeight() { 1546 return mSurfaceHeight; 1547 } 1548 1549 @Override 1550 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 1551 mSurface = surface; 1552 mSurfaceWidth = width; 1553 mSurfaceHeight = height; 1554 Log.v(TAG, "SurfaceTexture is available"); 1555 if (mPreviewStatusListener != null) { 1556 mPreviewStatusListener.onSurfaceTextureAvailable(surface, width, height); 1557 } 1558 enableModeOptions(); 1559 } 1560 1561 @Override 1562 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 1563 mSurface = surface; 1564 mSurfaceWidth = width; 1565 mSurfaceHeight = height; 1566 if (mPreviewStatusListener != null) { 1567 mPreviewStatusListener.onSurfaceTextureSizeChanged(surface, width, height); 1568 } 1569 } 1570 1571 @Override 1572 public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 1573 mSurface = null; 1574 Log.v(TAG, "SurfaceTexture is destroyed"); 1575 if (mPreviewStatusListener != null) { 1576 return mPreviewStatusListener.onSurfaceTextureDestroyed(surface); 1577 } 1578 return false; 1579 } 1580 1581 @Override 1582 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 1583 mSurface = surface; 1584 if (mModeCoverState == COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE) { 1585 Log.v(TAG, "hiding cover via onSurfaceTextureUpdated"); 1586 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1587 hideModeCover(); 1588 mModeCoverState = COVER_HIDDEN; 1589 } 1590 if (mPreviewStatusListener != null) { 1591 mPreviewStatusListener.onSurfaceTextureUpdated(surface); 1592 } 1593 } 1594 1595 /****************************Grid lines api ******************************/ 1596 1597 /** 1598 * Show a set of evenly spaced lines over the preview. The number 1599 * of lines horizontally and vertically is determined by 1600 * {@link com.android.camera.ui.GridLines}. 1601 */ 1602 public void showGridLines() { 1603 if (mGridLines != null) { 1604 mGridLines.setVisibility(View.VISIBLE); 1605 } 1606 } 1607 1608 /** 1609 * Hide the set of evenly spaced grid lines overlaying the preview. 1610 */ 1611 public void hideGridLines() { 1612 if (mGridLines != null) { 1613 mGridLines.setVisibility(View.INVISIBLE); 1614 } 1615 } 1616 1617 /** 1618 * Return a callback which shows or hide the preview grid lines 1619 * depending on whether the grid lines setting is set on. 1620 */ 1621 public ButtonManager.ButtonCallback getGridLinesCallback() { 1622 return new ButtonManager.ButtonCallback() { 1623 @Override 1624 public void onStateChanged(int state) { 1625 if (Keys.areGridLinesOn(mController.getSettingsManager())) { 1626 showGridLines(); 1627 } else { 1628 hideGridLines(); 1629 } 1630 } 1631 }; 1632 } 1633 1634 /***************************Mode options api *****************************/ 1635 1636 /** 1637 * Set the mode options visible. 1638 */ 1639 public void showModeOptions() { 1640 /* Make mode options clickable. */ 1641 enableModeOptions(); 1642 mModeOptionsOverlay.setVisibility(View.VISIBLE); 1643 } 1644 1645 /** 1646 * Set the mode options invisible. This is necessary for modes 1647 * that don't show a bottom bar for the capture UI. 1648 */ 1649 public void hideModeOptions() { 1650 mModeOptionsOverlay.setVisibility(View.INVISIBLE); 1651 } 1652 1653 /****************************Bottom bar api ******************************/ 1654 1655 /** 1656 * Sets up the bottom bar and mode options with the correct 1657 * shutter button and visibility based on the current module. 1658 */ 1659 public void resetBottomControls(ModuleController module, int moduleIndex) { 1660 if (areBottomControlsUsed(module)) { 1661 setBottomBarShutterIcon(moduleIndex); 1662 mCaptureLayoutHelper.setShowBottomBar(true); 1663 } else { 1664 mCaptureLayoutHelper.setShowBottomBar(false); 1665 } 1666 } 1667 1668 /** 1669 * Show or hide the mode options and bottom bar, based on 1670 * whether the current module is using the bottom bar. Returns 1671 * whether the mode options and bottom bar are used. 1672 */ 1673 private boolean areBottomControlsUsed(ModuleController module) { 1674 if (module.isUsingBottomBar()) { 1675 showBottomBar(); 1676 showModeOptions(); 1677 return true; 1678 } else { 1679 hideBottomBar(); 1680 hideModeOptions(); 1681 return false; 1682 } 1683 } 1684 1685 /** 1686 * Set the bottom bar visible. 1687 */ 1688 public void showBottomBar() { 1689 mBottomBar.setVisibility(View.VISIBLE); 1690 } 1691 1692 /** 1693 * Set the bottom bar invisible. 1694 */ 1695 public void hideBottomBar() { 1696 mBottomBar.setVisibility(View.INVISIBLE); 1697 } 1698 1699 /** 1700 * Sets the color of the bottom bar. 1701 */ 1702 public void setBottomBarColor(int colorId) { 1703 mBottomBar.setBackgroundColor(colorId); 1704 } 1705 1706 /** 1707 * Sets the pressed color of the bottom bar for a camera mode index. 1708 */ 1709 public void setBottomBarColorsForModeIndex(int index) { 1710 mBottomBar.setColorsForModeIndex(index); 1711 } 1712 1713 /** 1714 * Sets the shutter button icon on the bottom bar, based on 1715 * the mode index. 1716 */ 1717 public void setBottomBarShutterIcon(int modeIndex) { 1718 int shutterIconId = CameraUtil.getCameraShutterIconId(modeIndex, 1719 mController.getAndroidContext()); 1720 mBottomBar.setShutterButtonIcon(shutterIconId); 1721 } 1722 1723 public void animateBottomBarToVideoStop(int shutterIconId) { 1724 mBottomBar.animateToVideoStop(shutterIconId); 1725 } 1726 1727 public void animateBottomBarToFullSize(int shutterIconId) { 1728 mBottomBar.animateToFullSize(shutterIconId); 1729 } 1730 1731 public void setShutterButtonEnabled(final boolean enabled) { 1732 mBottomBar.post(new Runnable() { 1733 1734 @Override 1735 public void run() { 1736 mBottomBar.setShutterButtonEnabled(enabled); 1737 } 1738 }); 1739 } 1740 1741 public void setShutterButtonImportantToA11y(boolean important) { 1742 mBottomBar.setShutterButtonImportantToA11y(important); 1743 } 1744 1745 public boolean isShutterButtonEnabled() { 1746 return mBottomBar.isShutterButtonEnabled(); 1747 } 1748 1749 public void setIndicatorBottomBarWrapperVisible(boolean visible) { 1750 mIndicatorBottomBarWrapper.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1751 } 1752 1753 /** 1754 * Set the visibility of the bottom bar. 1755 */ 1756 // TODO: needed for when panorama is managed by the generic module ui. 1757 public void setBottomBarVisible(boolean visible) { 1758 mBottomBar.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1759 } 1760 1761 /** 1762 * Add a {@link #ShutterButton.OnShutterButtonListener} to the shutter button. 1763 */ 1764 public void addShutterListener(ShutterButton.OnShutterButtonListener listener) { 1765 mShutterButton.addOnShutterButtonListener(listener); 1766 } 1767 1768 1769 /** 1770 * This adds letterboxing around the preview, one on each side 1771 * 1772 * @param width the width in pixels of each letterboxing cover 1773 */ 1774 public void addLetterboxing(int width) { 1775 FrameLayout.LayoutParams params1 = (FrameLayout.LayoutParams) mLetterBoxer1 1776 .getLayoutParams(); 1777 FrameLayout.LayoutParams params2 = (FrameLayout.LayoutParams) mLetterBoxer2 1778 .getLayoutParams(); 1779 1780 if (mCameraRootView.getWidth() < mCameraRootView.getHeight()) { 1781 params1.width = width; 1782 params1.height = mCameraRootView.getHeight(); 1783 params1.gravity = Gravity.LEFT; 1784 mLetterBoxer1.setVisibility(View.VISIBLE); 1785 1786 params2.width = width; 1787 params2.height = mCameraRootView.getHeight(); 1788 params2.gravity = Gravity.RIGHT; 1789 mLetterBoxer2.setVisibility(View.VISIBLE); 1790 } else { 1791 params1.height = width; 1792 params1.width = mCameraRootView.getWidth(); 1793 params1.gravity = Gravity.TOP; 1794 mLetterBoxer1.setVisibility(View.VISIBLE); 1795 1796 params2.height = width; 1797 params2.width = mCameraRootView.getWidth(); 1798 params2.gravity = Gravity.BOTTOM; 1799 mLetterBoxer2.setVisibility(View.VISIBLE); 1800 } 1801 } 1802 1803 /** 1804 * Remove the letter boxing strips if they happen to be present. 1805 */ 1806 public void hideLetterboxing() { 1807 mLetterBoxer1.setVisibility(View.GONE); 1808 mLetterBoxer2.setVisibility(View.GONE); 1809 } 1810 1811 /** 1812 * Remove a {@link #ShutterButton.OnShutterButtonListener} from the shutter button. 1813 */ 1814 public void removeShutterListener(ShutterButton.OnShutterButtonListener listener) { 1815 mShutterButton.removeOnShutterButtonListener(listener); 1816 } 1817 1818 /** 1819 * Performs a transition to the capture layout of the bottom bar. 1820 */ 1821 public void transitionToCapture() { 1822 ModuleController moduleController = mController.getCurrentModuleController(); 1823 applyModuleSpecs(moduleController.getHardwareSpec(), 1824 moduleController.getBottomBarSpec()); 1825 mBottomBar.transitionToCapture(); 1826 } 1827 1828 /** 1829 * Displays the Cancel button instead of the capture button. 1830 */ 1831 public void transitionToCancel() { 1832 ModuleController moduleController = mController.getCurrentModuleController(); 1833 applyModuleSpecs(moduleController.getHardwareSpec(), 1834 moduleController.getBottomBarSpec()); 1835 mBottomBar.transitionToCancel(); 1836 } 1837 1838 /** 1839 * Performs a transition to the global intent layout. 1840 */ 1841 public void transitionToIntentCaptureLayout() { 1842 ModuleController moduleController = mController.getCurrentModuleController(); 1843 applyModuleSpecs(moduleController.getHardwareSpec(), 1844 moduleController.getBottomBarSpec()); 1845 mBottomBar.transitionToIntentCaptureLayout(); 1846 } 1847 1848 /** 1849 * Performs a transition to the global intent review layout. 1850 */ 1851 public void transitionToIntentReviewLayout() { 1852 ModuleController moduleController = mController.getCurrentModuleController(); 1853 applyModuleSpecs(moduleController.getHardwareSpec(), 1854 moduleController.getBottomBarSpec()); 1855 mBottomBar.transitionToIntentReviewLayout(); 1856 } 1857 1858 /** 1859 * @return whether UI is in intent review mode 1860 */ 1861 public boolean isInIntentReview() { 1862 return mBottomBar.isInIntentReview(); 1863 } 1864 1865 @Override 1866 public void onSettingChanged(SettingsManager settingsManager, String key) { 1867 // Update the mode options based on the hardware spec, 1868 // when hdr changes to prevent flash from getting out of sync. 1869 if (key.equals(Keys.KEY_CAMERA_HDR)) { 1870 ModuleController moduleController = mController.getCurrentModuleController(); 1871 applyModuleSpecs(moduleController.getHardwareSpec(), 1872 moduleController.getBottomBarSpec()); 1873 } 1874 } 1875 1876 /** 1877 * Applies a {@link com.android.camera.CameraAppUI.BottomBarUISpec} 1878 * to the bottom bar mode options based on limitations from a 1879 * {@link com.android.camera.hardware.HardwareSpec}. 1880 * 1881 * Options not supported by the hardware are either hidden 1882 * or disabled, depending on the option. 1883 * 1884 * Otherwise, the option is fully enabled and clickable. 1885 */ 1886 public void applyModuleSpecs(final HardwareSpec hardwareSpec, 1887 final BottomBarUISpec bottomBarSpec) { 1888 if (hardwareSpec == null || bottomBarSpec == null) { 1889 return; 1890 } 1891 1892 ButtonManager buttonManager = mController.getButtonManager(); 1893 SettingsManager settingsManager = mController.getSettingsManager(); 1894 1895 buttonManager.setToInitialState(); 1896 1897 /** Standard mode options */ 1898 if (hardwareSpec.isFrontCameraSupported()) { 1899 if (bottomBarSpec.enableCamera) { 1900 buttonManager.initializeButton(ButtonManager.BUTTON_CAMERA, 1901 bottomBarSpec.cameraCallback); 1902 } else { 1903 buttonManager.disableButton(ButtonManager.BUTTON_CAMERA); 1904 } 1905 } else { 1906 // Hide camera icon if front camera not available. 1907 buttonManager.hideButton(ButtonManager.BUTTON_CAMERA); 1908 } 1909 1910 boolean flashBackCamera = mController.getSettingsManager().getBoolean( 1911 SettingsManager.SCOPE_GLOBAL, Keys.KEY_FLASH_SUPPORTED_BACK_CAMERA); 1912 if (bottomBarSpec.hideFlash || !flashBackCamera) { 1913 buttonManager.hideButton(ButtonManager.BUTTON_FLASH); 1914 } else { 1915 if (hardwareSpec.isFlashSupported()) { 1916 if (bottomBarSpec.enableFlash) { 1917 buttonManager.initializeButton(ButtonManager.BUTTON_FLASH, 1918 bottomBarSpec.flashCallback); 1919 } else if (bottomBarSpec.enableTorchFlash) { 1920 buttonManager.initializeButton(ButtonManager.BUTTON_TORCH, 1921 bottomBarSpec.flashCallback); 1922 } else if (bottomBarSpec.enableHdrPlusFlash) { 1923 buttonManager.initializeButton(ButtonManager.BUTTON_HDR_PLUS_FLASH, 1924 bottomBarSpec.flashCallback); 1925 } else { 1926 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1927 } 1928 } else { 1929 // Disable flash icon if not supported by the hardware. 1930 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1931 } 1932 } 1933 1934 if (bottomBarSpec.hideHdr || mIsCaptureIntent) { 1935 // Force hide hdr or hdr plus icon. 1936 buttonManager.hideButton(ButtonManager.BUTTON_HDR_PLUS); 1937 } else { 1938 if (hardwareSpec.isHdrPlusSupported()) { 1939 if (bottomBarSpec.enableHdr && Keys.isCameraBackFacing(settingsManager, 1940 mController.getModuleScope())) { 1941 buttonManager.initializeButton(ButtonManager.BUTTON_HDR_PLUS, 1942 bottomBarSpec.hdrCallback); 1943 } else { 1944 buttonManager.disableButton(ButtonManager.BUTTON_HDR_PLUS); 1945 } 1946 } else if (hardwareSpec.isHdrSupported()) { 1947 if (bottomBarSpec.enableHdr && Keys.isCameraBackFacing(settingsManager, 1948 mController.getModuleScope())) { 1949 buttonManager.initializeButton(ButtonManager.BUTTON_HDR, 1950 bottomBarSpec.hdrCallback); 1951 } else { 1952 buttonManager.disableButton(ButtonManager.BUTTON_HDR); 1953 } 1954 } else { 1955 // Hide hdr plus or hdr icon if neither are supported. 1956 buttonManager.hideButton(ButtonManager.BUTTON_HDR_PLUS); 1957 } 1958 } 1959 1960 if (bottomBarSpec.hideGridLines) { 1961 // Force hide grid lines icon. 1962 buttonManager.hideButton(ButtonManager.BUTTON_GRID_LINES); 1963 hideGridLines(); 1964 } else { 1965 if (bottomBarSpec.enableGridLines) { 1966 buttonManager.initializeButton(ButtonManager.BUTTON_GRID_LINES, 1967 bottomBarSpec.gridLinesCallback != null ? 1968 bottomBarSpec.gridLinesCallback : getGridLinesCallback() 1969 ); 1970 } else { 1971 buttonManager.disableButton(ButtonManager.BUTTON_GRID_LINES); 1972 hideGridLines(); 1973 } 1974 } 1975 1976 if (bottomBarSpec.enableSelfTimer) { 1977 buttonManager.initializeButton(ButtonManager.BUTTON_COUNTDOWN, null); 1978 } else { 1979 if (bottomBarSpec.showSelfTimer) { 1980 buttonManager.disableButton(ButtonManager.BUTTON_COUNTDOWN); 1981 } else { 1982 buttonManager.hideButton(ButtonManager.BUTTON_COUNTDOWN); 1983 } 1984 } 1985 1986 if (bottomBarSpec.enablePanoOrientation 1987 && PhotoSphereHelper.getPanoramaOrientationOptionArrayId() > 0) { 1988 buttonManager.initializePanoOrientationButtons(bottomBarSpec.panoOrientationCallback); 1989 } 1990 1991 boolean enableExposureCompensation = bottomBarSpec.enableExposureCompensation && 1992 !(bottomBarSpec.minExposureCompensation == 0 && bottomBarSpec.maxExposureCompensation == 0) && 1993 mController.getSettingsManager().getBoolean(SettingsManager.SCOPE_GLOBAL, 1994 Keys.KEY_EXPOSURE_COMPENSATION_ENABLED); 1995 if (enableExposureCompensation) { 1996 buttonManager.initializePushButton(ButtonManager.BUTTON_EXPOSURE_COMPENSATION, null); 1997 buttonManager.setExposureCompensationParameters( 1998 bottomBarSpec.minExposureCompensation, 1999 bottomBarSpec.maxExposureCompensation, 2000 bottomBarSpec.exposureCompensationStep); 2001 2002 buttonManager.setExposureCompensationCallback( 2003 bottomBarSpec.exposureCompensationSetCallback); 2004 buttonManager.updateExposureButtons(); 2005 } else { 2006 buttonManager.hideButton(ButtonManager.BUTTON_EXPOSURE_COMPENSATION); 2007 buttonManager.setExposureCompensationCallback(null); 2008 } 2009 2010 /** Intent UI */ 2011 if (bottomBarSpec.showCancel) { 2012 buttonManager.initializePushButton(ButtonManager.BUTTON_CANCEL, 2013 bottomBarSpec.cancelCallback); 2014 } 2015 if (bottomBarSpec.showDone) { 2016 buttonManager.initializePushButton(ButtonManager.BUTTON_DONE, 2017 bottomBarSpec.doneCallback); 2018 } 2019 if (bottomBarSpec.showRetake) { 2020 buttonManager.initializePushButton(ButtonManager.BUTTON_RETAKE, 2021 bottomBarSpec.retakeCallback); 2022 } 2023 if (bottomBarSpec.showReview) { 2024 buttonManager.initializePushButton(ButtonManager.BUTTON_REVIEW, 2025 bottomBarSpec.reviewCallback, 2026 R.drawable.ic_play); 2027 } 2028 } 2029 2030 /** 2031 * Shows the given tutorial on the screen. 2032 */ 2033 public void showTutorial(AbstractTutorialOverlay tutorial, LayoutInflater inflater) { 2034 tutorial.show(mTutorialsPlaceHolderWrapper, inflater); 2035 } 2036 2037 /***************************Filmstrip api *****************************/ 2038 2039 public void showFilmstrip() { 2040 mModeListView.onBackPressed(); 2041 mFilmstripLayout.showFilmstrip(); 2042 } 2043 2044 public void hideFilmstrip() { 2045 mFilmstripLayout.hideFilmstrip(); 2046 } 2047} 2048