CameraAppUI.java revision 5596b4c902dcb685928b43678f428746ca5ffd08
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.content.Context; 20import android.content.res.Configuration; 21import android.graphics.Bitmap; 22import android.graphics.Canvas; 23import android.graphics.Matrix; 24import android.graphics.RectF; 25import android.graphics.SurfaceTexture; 26import android.hardware.display.DisplayManager; 27import android.util.CameraPerformanceTracker; 28import android.view.GestureDetector; 29import android.view.LayoutInflater; 30import android.view.MotionEvent; 31import android.view.TextureView; 32import android.view.View; 33import android.view.ViewConfiguration; 34import android.view.ViewGroup; 35import android.widget.FrameLayout; 36 37import com.android.camera.AnimationManager; 38import com.android.camera.ButtonManager; 39import com.android.camera.ShutterButton; 40import com.android.camera.TextureViewHelper; 41import com.android.camera.debug.Log; 42import com.android.camera.filmstrip.FilmstripContentPanel; 43import com.android.camera.hardware.HardwareSpec; 44import com.android.camera.module.ModuleController; 45import com.android.camera.settings.SettingsManager; 46import com.android.camera.ui.AbstractTutorialOverlay; 47import com.android.camera.ui.BottomBar; 48import com.android.camera.ui.CaptureAnimationOverlay; 49import com.android.camera.ui.GridLines; 50import com.android.camera.ui.MainActivityLayout; 51import com.android.camera.ui.ModeListView; 52import com.android.camera.ui.ModeTransitionView; 53import com.android.camera.ui.PreviewOverlay; 54import com.android.camera.ui.PreviewStatusListener; 55import com.android.camera.util.ApiHelper; 56import com.android.camera.util.CameraUtil; 57import com.android.camera.util.Gusterpolator; 58import com.android.camera.util.PhotoSphereHelper; 59import com.android.camera.util.UsageStatistics; 60import com.android.camera.widget.FilmstripLayout; 61import com.android.camera.widget.IndicatorIconController; 62import com.android.camera.widget.ModeOptionsOverlay; 63import com.android.camera.widget.PeekView; 64import com.android.camera2.R; 65import com.google.common.logging.eventprotos; 66 67/** 68 * CameraAppUI centralizes control of views shared across modules. Whereas module 69 * specific views will be handled in each Module UI. For example, we can now 70 * bring the flash animation and capture animation up from each module to app 71 * level, as these animations are largely the same for all modules. 72 * 73 * This class also serves to disambiguate touch events. It recognizes all the 74 * swipe gestures that happen on the preview by attaching a touch listener to 75 * a full-screen view on top of preview TextureView. Since CameraAppUI has knowledge 76 * of how swipe from each direction should be handled, it can then redirect these 77 * events to appropriate recipient views. 78 */ 79public class CameraAppUI implements ModeListView.ModeSwitchListener, 80 TextureView.SurfaceTextureListener, ModeListView.ModeListOpenListener { 81 82 /** 83 * The bottom controls on the filmstrip. 84 */ 85 public static interface BottomPanel { 86 /** Values for the view state of the button. */ 87 public final int VIEWER_NONE = 0; 88 public final int VIEWER_PHOTO_SPHERE = 1; 89 public final int VIEWER_REFOCUS = 2; 90 public final int VIEWER_OTHER = 3; 91 92 /** 93 * Sets a new or replaces an existing listener for bottom control events. 94 */ 95 void setListener(Listener listener); 96 97 /** 98 * Set if the bottom controls are visible. 99 * @param visible {@code true} if visible. 100 */ 101 void setVisible(boolean visible); 102 103 /** 104 * @param visible Whether the button is visible. 105 */ 106 void setEditButtonVisibility(boolean visible); 107 108 /** 109 * @param enabled Whether the button is enabled. 110 */ 111 void setEditEnabled(boolean enabled); 112 113 /** 114 * Sets the visibility of the view-photosphere button. 115 * 116 * @param state one of {@link #VIEWER_NONE}, {@link #VIEWER_PHOTO_SPHERE}, 117 * {@link #VIEWER_REFOCUS}. 118 */ 119 void setViewerButtonVisibility(int state); 120 121 /** 122 * @param enabled Whether the button is enabled. 123 */ 124 void setViewEnabled(boolean enabled); 125 126 /** 127 * @param enabled Whether the button is enabled. 128 */ 129 void setTinyPlanetEnabled(boolean enabled); 130 131 /** 132 * @param visible Whether the button is visible. 133 */ 134 void setDeleteButtonVisibility(boolean visible); 135 136 /** 137 * @param enabled Whether the button is enabled. 138 */ 139 void setDeleteEnabled(boolean enabled); 140 141 /** 142 * @param visible Whether the button is visible. 143 */ 144 void setShareButtonVisibility(boolean visible); 145 146 /** 147 * @param enabled Whether the button is enabled. 148 */ 149 void setShareEnabled(boolean enabled); 150 151 /** 152 * Sets the texts for progress UI. 153 * 154 * @param text The text to show. 155 */ 156 void setProgressText(CharSequence text); 157 158 /** 159 * Sets the progress. 160 * 161 * @param progress The progress value. Should be between 0 and 100. 162 */ 163 void setProgress(int progress); 164 165 /** 166 * Replaces the progress UI with an error message. 167 */ 168 void showProgressError(CharSequence message); 169 170 /** 171 * Hide the progress error message. 172 */ 173 void hideProgressError(); 174 175 /** 176 * Shows the progress. 177 */ 178 void showProgress(); 179 180 /** 181 * Hides the progress. 182 */ 183 void hideProgress(); 184 185 /** 186 * Shows the controls. 187 */ 188 void showControls(); 189 190 /** 191 * Hides the controls. 192 */ 193 void hideControls(); 194 195 /** 196 * Classes implementing this interface can listen for events on the bottom 197 * controls. 198 */ 199 public static interface Listener { 200 /** 201 * Called when the user pressed the "view" button to e.g. view a photo 202 * sphere or RGBZ image. 203 */ 204 public void onExternalViewer(); 205 206 /** 207 * Called when the "edit" button is pressed. 208 */ 209 public void onEdit(); 210 211 /** 212 * Called when the "tiny planet" button is pressed. 213 */ 214 public void onTinyPlanet(); 215 216 /** 217 * Called when the "delete" button is pressed. 218 */ 219 public void onDelete(); 220 221 /** 222 * Called when the "share" button is pressed. 223 */ 224 public void onShare(); 225 226 /** 227 * Called when the progress error message is clicked. 228 */ 229 public void onProgressErrorClicked(); 230 } 231 } 232 233 /** 234 * BottomBarUISpec provides a structure for modules 235 * to specify their ideal bottom bar mode options layout. 236 * 237 * Once constructed by a module, this class should be 238 * treated as read only. 239 * 240 * The application then edits this spec according to 241 * hardware limitations and displays the final bottom 242 * bar ui. 243 */ 244 public static class BottomBarUISpec { 245 /** Mode options UI */ 246 247 /** 248 * Set true if the camera option should be enabled. 249 * If not set or false, and multiple cameras are supported, 250 * the camera option will be disabled. 251 * 252 * If multiple cameras are not supported, this preference 253 * is ignored and the camera option will not be visible. 254 */ 255 public boolean enableCamera; 256 257 /** 258 * Set true if the camera option should not be visible, regardless 259 * of hardware limitations. 260 */ 261 public boolean hideCamera; 262 263 /** 264 * Set true if the photo flash option should be enabled. 265 * If not set or false, the photo flash option will be 266 * disabled. 267 * 268 * If the hardware does not support multiple flash values, 269 * this preference is ignored and the flash option will 270 * be disabled. It will not be made invisible in order to 271 * preserve a consistent experience across devices and between 272 * front and back cameras. 273 */ 274 public boolean enableFlash; 275 276 /** 277 * Set true if the video flash option should be enabled. 278 * Same disable rules apply as the photo flash option. 279 */ 280 public boolean enableTorchFlash; 281 282 /** 283 * Set true if flash should not be visible, regardless of 284 * hardware limitations. 285 */ 286 public boolean hideFlash; 287 288 /** 289 * Set true if the hdr/hdr+ option should be enabled. 290 * If not set or false, the hdr/hdr+ option will be disabled. 291 * 292 * Hdr or hdr+ will be chosen based on hardware limitations, 293 * with hdr+ prefered. 294 * 295 * If hardware supports neither hdr nor hdr+, then the hdr/hdr+ 296 * will not be visible. 297 */ 298 public boolean enableHdr; 299 300 /** 301 * Set true if hdr/hdr+ should not be visible, regardless of 302 * hardware limitations. 303 */ 304 public boolean hideHdr; 305 306 /** 307 * Set true if grid lines should be visible. Not setting this 308 * causes grid lines to be disabled. This option is agnostic to 309 * the hardware. 310 */ 311 public boolean enableGridLines; 312 313 /** 314 * Set true if grid lines should not be visible. 315 */ 316 public boolean hideGridLines; 317 318 /** 319 * Set true if the panorama orientation option should be visible. 320 * 321 * This option is not constrained by hardware limitations. 322 */ 323 public boolean enablePanoOrientation; 324 325 /** Intent UI */ 326 327 /** 328 * Set true if the intent ui cancel option should be visible. 329 */ 330 public boolean showCancel; 331 /** 332 * Set true if the intent ui done option should be visible. 333 */ 334 public boolean showDone; 335 /** 336 * Set true if the intent ui retake option should be visible. 337 */ 338 public boolean showRetake; 339 /** 340 * Set true if the intent ui review option should be visible. 341 */ 342 public boolean showReview; 343 344 /** Mode options callbacks */ 345 346 /** 347 * A {@link com.android.camera.ButtonManager.ButtonCallback} 348 * that will be executed when the camera option is pressed. This 349 * callback can be null. 350 */ 351 public ButtonManager.ButtonCallback cameraCallback; 352 353 /** 354 * A {@link com.android.camera.ButtonManager.ButtonCallback} 355 * that will be executed when the flash option is pressed. This 356 * callback can be null. 357 */ 358 public ButtonManager.ButtonCallback flashCallback; 359 360 /** 361 * A {@link com.android.camera.ButtonManager.ButtonCallback} 362 * that will be executed when the hdr/hdr+ option is pressed. This 363 * callback can be null. 364 */ 365 public ButtonManager.ButtonCallback hdrCallback; 366 367 /** 368 * A {@link com.android.camera.ButtonManager.ButtonCallback} 369 * that will be executed when the grid lines option is pressed. This 370 * callback can be null. 371 */ 372 public ButtonManager.ButtonCallback gridLinesCallback; 373 374 /** 375 * A {@link com.android.camera.ButtonManager.ButtonCallback} 376 * that will execute when the panorama orientation option is pressed. 377 * This callback can be null. 378 */ 379 public ButtonManager.ButtonCallback panoOrientationCallback; 380 381 /** Intent UI callbacks */ 382 383 /** 384 * A {@link android.view.View.OnClickListener} that will execute 385 * when the cancel option is pressed. This callback can be null. 386 */ 387 public View.OnClickListener cancelCallback; 388 389 /** 390 * A {@link android.view.View.OnClickListener} that will execute 391 * when the done option is pressed. This callback can be null. 392 */ 393 public View.OnClickListener doneCallback; 394 395 /** 396 * A {@link android.view.View.OnClickListener} that will execute 397 * when the retake option is pressed. This callback can be null. 398 */ 399 public View.OnClickListener retakeCallback; 400 401 /** 402 * A {@link android.view.View.OnClickListener} that will execute 403 * when the review option is pressed. This callback can be null. 404 */ 405 public View.OnClickListener reviewCallback; 406 } 407 408 409 private final static Log.Tag TAG = new Log.Tag("CameraAppUI"); 410 411 private final AppController mController; 412 private final boolean mIsCaptureIntent; 413 private final AnimationManager mAnimationManager; 414 415 // Swipe states: 416 private final static int IDLE = 0; 417 private final static int SWIPE_UP = 1; 418 private final static int SWIPE_DOWN = 2; 419 private final static int SWIPE_LEFT = 3; 420 private final static int SWIPE_RIGHT = 4; 421 private boolean mSwipeEnabled = true; 422 423 // Shared Surface Texture properities. 424 private SurfaceTexture mSurface; 425 private int mSurfaceWidth; 426 private int mSurfaceHeight; 427 428 // Touch related measures: 429 private final int mSlop; 430 private final static int SWIPE_TIME_OUT_MS = 500; 431 432 // Mode cover states: 433 private final static int COVER_HIDDEN = 0; 434 private final static int COVER_SHOWN = 1; 435 private final static int COVER_WILL_HIDE_AT_NEXT_FRAME = 2; 436 private static final int COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE = 3; 437 438 // App level views: 439 private final FrameLayout mCameraRootView; 440 private final ModeTransitionView mModeTransitionView; 441 private final MainActivityLayout mAppRootView; 442 private final ModeListView mModeListView; 443 private final FilmstripLayout mFilmstripLayout; 444 private TextureView mTextureView; 445 private FrameLayout mModuleUI; 446 private ShutterButton mShutterButton; 447 private BottomBar mBottomBar; 448 private ModeOptionsOverlay mModeOptionsOverlay; 449 private IndicatorIconController mIndicatorIconController; 450 private View mFocusOverlay; 451 private FrameLayout mTutorialsPlaceholder; 452 453 private TextureViewHelper mTextureViewHelper; 454 private final GestureDetector mGestureDetector; 455 private DisplayManager.DisplayListener mDisplayListener; 456 private int mLastRotation; 457 private int mSwipeState = IDLE; 458 private PreviewOverlay mPreviewOverlay; 459 private GridLines mGridLines; 460 private CaptureAnimationOverlay mCaptureOverlay; 461 private PreviewStatusListener mPreviewStatusListener; 462 private int mModeCoverState = COVER_HIDDEN; 463 private final FilmstripBottomPanel mFilmstripBottomControls; 464 private final FilmstripContentPanel mFilmstripPanel; 465 private Runnable mHideCoverRunnable; 466 private final UncoveredPreviewAreaSizeChangedListener mUncoverPreviewAreaChangedListener; 467 private final View.OnLayoutChangeListener mPreviewLayoutChangeListener 468 = new View.OnLayoutChangeListener() { 469 @Override 470 public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, 471 int oldTop, int oldRight, int oldBottom) { 472 if (mPreviewStatusListener != null) { 473 mPreviewStatusListener.onPreviewLayoutChanged(v, left, top, right, bottom, oldLeft, 474 oldTop, oldRight, oldBottom); 475 } 476 } 477 }; 478 private View mModeOptionsToggle; 479 private final RectF mBottomBarRect = new RectF(); 480 private final View.OnLayoutChangeListener mBottomBarLayoutChangeListener 481 = new View.OnLayoutChangeListener() { 482 @Override 483 public void onLayoutChange(View v, int left, int top, int right, int bottom, 484 int oldLeft, int oldTop, int oldRight, int oldBottom) { 485 if (mBottomBar.getVisibility() == View.VISIBLE) { 486 mBottomBarRect.set(left, top, right, bottom); 487 } else { 488 // If bottom bar is not visible, treat it as a 0x0 rect at the 489 // bottom right corner of the screen. 490 mBottomBarRect.set(right, bottom, right, bottom); 491 } 492 493 RectF previewArea = mTextureViewHelper.getPreviewArea(); 494 // Use preview area and bottom bar rect to calculate the preview that is 495 // not covered by bottom bar. 496 if (mBottomBar.getResources().getConfiguration().orientation 497 == Configuration.ORIENTATION_PORTRAIT) { 498 previewArea.bottom = Math.min(mBottomBarRect.top, previewArea.bottom); 499 } else { 500 previewArea.right = Math.min(mBottomBarRect.left, previewArea.right); 501 } 502 503 if (mUncoverPreviewAreaChangedListener != null) { 504 mUncoverPreviewAreaChangedListener.uncoveredPreviewAreaChanged(previewArea); 505 } 506 } 507 }; 508 private final PeekView mPeekView; 509 510 /** 511 * Provides current preview frame and the controls/overlay from the module that 512 * are shown on top of the preview. 513 */ 514 public interface CameraModuleScreenShotProvider { 515 /** 516 * Returns the current preview frame down-sampled using the given down-sample 517 * factor. 518 * 519 * @param downSampleFactor the down sample factor for down sampling the 520 * preview frame. (e.g. a down sample factor of 521 * 2 means to scale down the preview frame to 1/2 522 * the width and height.) 523 * @return down-sampled preview frame 524 */ 525 public Bitmap getPreviewFrame(int downSampleFactor); 526 527 /** 528 * @return the controls and overlays that are currently showing on top of 529 * the preview drawn into a bitmap with no scaling applied. 530 */ 531 public Bitmap getPreviewOverlayAndControls(); 532 } 533 534 /** 535 * Gets notified when the preview area that is not covered by bottom bar is 536 * changed. 537 */ 538 public interface UncoveredPreviewAreaSizeChangedListener { 539 /** 540 * Gets called when the preview area that is not covered by bottom bar is 541 * changed. 542 * 543 * @param uncoveredPreviewArea the rect of the preview area that is not 544 * under bottom bar 545 */ 546 public void uncoveredPreviewAreaChanged(RectF uncoveredPreviewArea); 547 } 548 549 private final CameraModuleScreenShotProvider mCameraModuleScreenShotProvider = 550 new CameraModuleScreenShotProvider() { 551 @Override 552 public Bitmap getPreviewFrame(int downSampleFactor) { 553 if (mCameraRootView == null || mTextureView == null) { 554 return null; 555 } 556 RectF previewArea = mTextureViewHelper.getPreviewArea(); 557 // Gets the bitmap from the preview TextureView. 558 Bitmap preview = mTextureView.getBitmap( 559 (int) previewArea.width() / downSampleFactor, 560 (int) previewArea.height() / downSampleFactor); 561 return preview; 562 } 563 564 @Override 565 public Bitmap getPreviewOverlayAndControls() { 566 Bitmap overlays = Bitmap.createBitmap(mCameraRootView.getWidth(), 567 mCameraRootView.getHeight(), Bitmap.Config.ARGB_8888); 568 Canvas canvas = new Canvas(overlays); 569 mCameraRootView.draw(canvas); 570 return overlays; 571 } 572 }; 573 574 private long mCoverHiddenTime = -1; // System time when preview cover was hidden. 575 576 public long getCoverHiddenTime() { 577 return mCoverHiddenTime; 578 } 579 580 /** 581 * This resets the preview to have no applied transform matrix. 582 */ 583 public void clearPreviewTransform() { 584 mTextureViewHelper.clearTransform(); 585 } 586 587 public void updatePreviewAspectRatio(float aspectRatio) { 588 mTextureViewHelper.updateAspectRatio(aspectRatio); 589 } 590 591 /** 592 * This is to support modules that calculate their own transform matrix because 593 * they need to use a transform matrix to rotate the preview. 594 * 595 * @param matrix transform matrix to be set on the TextureView 596 */ 597 public void updatePreviewTransform(Matrix matrix) { 598 mTextureViewHelper.updateTransform(matrix); 599 } 600 601 public interface AnimationFinishedListener { 602 public void onAnimationFinished(boolean success); 603 } 604 605 private class MyTouchListener implements View.OnTouchListener { 606 private boolean mScaleStarted = false; 607 @Override 608 public boolean onTouch(View v, MotionEvent event) { 609 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 610 mScaleStarted = false; 611 } else if (event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) { 612 mScaleStarted = true; 613 } 614 return (!mScaleStarted) && mGestureDetector.onTouchEvent(event); 615 } 616 } 617 618 /** 619 * This gesture listener finds out the direction of the scroll gestures and 620 * sends them to CameraAppUI to do further handling. 621 */ 622 private class MyGestureListener extends GestureDetector.SimpleOnGestureListener { 623 private MotionEvent mDown; 624 625 @Override 626 public boolean onScroll(MotionEvent e1, MotionEvent ev, float distanceX, float distanceY) { 627 if (ev.getEventTime() - ev.getDownTime() > SWIPE_TIME_OUT_MS 628 || mSwipeState != IDLE 629 || mIsCaptureIntent 630 || !mSwipeEnabled) { 631 return false; 632 } 633 634 int deltaX = (int) (ev.getX() - mDown.getX()); 635 int deltaY = (int) (ev.getY() - mDown.getY()); 636 if (ev.getActionMasked() == MotionEvent.ACTION_MOVE) { 637 if (Math.abs(deltaX) > mSlop || Math.abs(deltaY) > mSlop) { 638 // Calculate the direction of the swipe. 639 if (deltaX >= Math.abs(deltaY)) { 640 // Swipe right. 641 setSwipeState(SWIPE_RIGHT); 642 } else if (deltaX <= -Math.abs(deltaY)) { 643 // Swipe left. 644 setSwipeState(SWIPE_LEFT); 645 } 646 } 647 } 648 return true; 649 } 650 651 private void setSwipeState(int swipeState) { 652 mSwipeState = swipeState; 653 // Notify new swipe detected. 654 onSwipeDetected(swipeState); 655 } 656 657 @Override 658 public boolean onDown(MotionEvent ev) { 659 mDown = MotionEvent.obtain(ev); 660 mSwipeState = IDLE; 661 return false; 662 } 663 } 664 665 public CameraAppUI(AppController controller, MainActivityLayout appRootView, 666 boolean isCaptureIntent) { 667 mSlop = ViewConfiguration.get(controller.getAndroidContext()).getScaledTouchSlop(); 668 mController = controller; 669 mIsCaptureIntent = isCaptureIntent; 670 671 mAppRootView = appRootView; 672 mFilmstripLayout = (FilmstripLayout) appRootView.findViewById(R.id.filmstrip_layout); 673 mCameraRootView = (FrameLayout) appRootView.findViewById(R.id.camera_app_root); 674 mModeTransitionView = (ModeTransitionView) 675 mAppRootView.findViewById(R.id.mode_transition_view); 676 mFilmstripBottomControls = new FilmstripBottomPanel(controller, 677 (ViewGroup) mAppRootView.findViewById(R.id.filmstrip_bottom_panel)); 678 mFilmstripPanel = (FilmstripContentPanel) mAppRootView.findViewById(R.id.filmstrip_layout); 679 mGestureDetector = new GestureDetector(controller.getAndroidContext(), 680 new MyGestureListener()); 681 mModeListView = (ModeListView) appRootView.findViewById(R.id.mode_list_layout); 682 if (mModeListView != null) { 683 mModeListView.setModeSwitchListener(this); 684 mModeListView.setModeListOpenListener(this); 685 mModeListView.setCameraModuleScreenShotProvider(mCameraModuleScreenShotProvider); 686 } else { 687 Log.e(TAG, "Cannot find mode list in the view hierarchy"); 688 } 689 mUncoverPreviewAreaChangedListener = 690 mModeListView.getUncoveredPreviewAreaSizeChangedListener(); 691 mAnimationManager = new AnimationManager(); 692 mPeekView = (PeekView) appRootView.findViewById(R.id.peek_view); 693 initDisplayListener(); 694 } 695 696 /** 697 * Enable or disable swipe gestures. We want to disable them e.g. while we 698 * record a video. 699 */ 700 public void setSwipeEnabled(boolean enabled) { 701 mSwipeEnabled = enabled; 702 } 703 704 public void onDestroy() { 705 ((DisplayManager) mController.getAndroidContext() 706 .getSystemService(Context.DISPLAY_SERVICE)) 707 .unregisterDisplayListener(mDisplayListener); 708 } 709 710 /** 711 * Initializes the display listener to listen to display changes such as 712 * 180-degree rotation change, which will not have an onConfigurationChanged 713 * callback. 714 */ 715 private void initDisplayListener() { 716 if (ApiHelper.HAS_DISPLAY_LISTENER) { 717 mLastRotation = CameraUtil.getDisplayRotation(mController.getAndroidContext()); 718 719 mDisplayListener = new DisplayManager.DisplayListener() { 720 @Override 721 public void onDisplayAdded(int arg0) { 722 // Do nothing. 723 } 724 725 @Override 726 public void onDisplayChanged(int displayId) { 727 int rotation = CameraUtil.getDisplayRotation( 728 mController.getAndroidContext()); 729 if ((rotation - mLastRotation + 360) % 360 == 180 730 && mPreviewStatusListener != null) { 731 mPreviewStatusListener.onPreviewFlipped(); 732 } 733 mLastRotation = rotation; 734 } 735 736 @Override 737 public void onDisplayRemoved(int arg0) { 738 // Do nothing. 739 } 740 }; 741 742 ((DisplayManager) mController.getAndroidContext() 743 .getSystemService(Context.DISPLAY_SERVICE)) 744 .registerDisplayListener(mDisplayListener, null); 745 } 746 } 747 748 /** 749 * Redirects touch events to appropriate recipient views based on swipe direction. 750 * More specifically, swipe up and swipe down will be handled by the view that handles 751 * mode transition; swipe left will be send to filmstrip; swipe right will be redirected 752 * to mode list in order to bring up mode list. 753 */ 754 private void onSwipeDetected(int swipeState) { 755 if (swipeState == SWIPE_UP || swipeState == SWIPE_DOWN) { 756 // TODO: Polish quick switch after this release. 757 // Quick switch between modes. 758 int currentModuleIndex = mController.getCurrentModuleIndex(); 759 final int moduleToTransitionTo = 760 mController.getQuickSwitchToModuleId(currentModuleIndex); 761 if (currentModuleIndex != moduleToTransitionTo) { 762 mAppRootView.redirectTouchEventsTo(mModeTransitionView); 763 764 int shadeColorId = R.color.mode_cover_default_color; 765 int iconRes = CameraUtil.getCameraModeCoverIconResId(moduleToTransitionTo, 766 mController.getAndroidContext()); 767 768 AnimationFinishedListener listener = new AnimationFinishedListener() { 769 @Override 770 public void onAnimationFinished(boolean success) { 771 if (success) { 772 mHideCoverRunnable = new Runnable() { 773 @Override 774 public void run() { 775 mModeTransitionView.startPeepHoleAnimation(); 776 } 777 }; 778 mModeCoverState = COVER_SHOWN; 779 // Go to new module when the previous operation is successful. 780 mController.onModeSelected(moduleToTransitionTo); 781 } 782 } 783 }; 784 if (mSwipeState == SWIPE_UP) { 785 mModeTransitionView.prepareToPullUpShade(shadeColorId, iconRes, listener); 786 } else { 787 mModeTransitionView.prepareToPullDownShade(shadeColorId, iconRes, listener); 788 } 789 } 790 } else if (swipeState == SWIPE_LEFT) { 791 // Pass the touch sequence to filmstrip layout. 792 UsageStatistics.changeScreen(eventprotos.NavigationChange.Mode.FILMSTRIP, 793 eventprotos.CameraEvent.InteractionCause.SWIPE_LEFT); 794 mAppRootView.redirectTouchEventsTo(mFilmstripLayout); 795 } else if (swipeState == SWIPE_RIGHT) { 796 // Pass the touch to mode switcher 797 mAppRootView.redirectTouchEventsTo(mModeListView); 798 } 799 } 800 801 /** 802 * Gets called when activity resumes in preview. 803 */ 804 public void resume() { 805 // Show mode theme cover until preview is ready 806 showModeCoverUntilPreviewReady(); 807 808 // Hide action bar first since we are in full screen mode first, and 809 // switch the system UI to lights-out mode. 810 mFilmstripPanel.hide(); 811 } 812 813 /** 814 * A cover view showing the mode theme color and mode icon will be visible on 815 * top of preview until preview is ready (i.e. camera preview is started and 816 * the first frame has been received). 817 */ 818 private void showModeCoverUntilPreviewReady() { 819 int modeId = mController.getCurrentModuleIndex(); 820 int colorId = R.color.mode_cover_default_color;; 821 int iconId = CameraUtil.getCameraModeCoverIconResId(modeId, mController.getAndroidContext()); 822 mModeTransitionView.setupModeCover(colorId, iconId); 823 mHideCoverRunnable = new Runnable() { 824 @Override 825 public void run() { 826 mModeTransitionView.hideModeCover(null); 827 showShimmyDelayed(); 828 } 829 }; 830 mModeCoverState = COVER_SHOWN; 831 } 832 833 private void showShimmyDelayed() { 834 if (!mIsCaptureIntent) { 835 // Show shimmy in SHIMMY_DELAY_MS 836 mModeListView.showModeSwitcherHint(); 837 } 838 } 839 840 private void hideModeCover() { 841 if (mHideCoverRunnable != null) { 842 mAppRootView.post(mHideCoverRunnable); 843 mHideCoverRunnable = null; 844 } 845 mModeCoverState = COVER_HIDDEN; 846 if (mCoverHiddenTime < 0) { 847 mCoverHiddenTime = System.currentTimeMillis(); 848 } 849 } 850 851 /** 852 * Call to stop the preview from being rendered. 853 */ 854 public void pausePreviewRendering() { 855 mTextureView.setVisibility(View.INVISIBLE); 856 } 857 858 /** 859 * Call to begin rendering the preview again. 860 */ 861 public void resumePreviewRendering() { 862 mTextureView.setVisibility(View.VISIBLE); 863 } 864 865 @Override 866 public void onOpenFullScreen() { 867 // Do nothing. 868 } 869 870 @Override 871 public void onModeListOpenProgress(float progress) { 872 progress = 1 - progress; 873 float interpolatedProgress = Gusterpolator.INSTANCE.getInterpolation(progress); 874 mModeOptionsToggle.setAlpha(interpolatedProgress); 875 // Change shutter button alpha linearly based on the mode list open progress: 876 // set the alpha to disabled alpha when list is fully open, to enabled alpha 877 // when the list is fully closed. 878 mShutterButton.setAlpha(progress * ShutterButton.ALPHA_WHEN_ENABLED 879 + (1 - progress) * ShutterButton.ALPHA_WHEN_DISABLED); 880 } 881 882 @Override 883 public void onModeListClosed() { 884 // Make sure the alpha on mode options ellipse is reset when mode drawer 885 // is closed. 886 mModeOptionsToggle.setAlpha(1f); 887 mShutterButton.setAlpha(ShutterButton.ALPHA_WHEN_ENABLED); 888 } 889 890 /** 891 * Called when the back key is pressed. 892 * 893 * @return Whether the UI responded to the key event. 894 */ 895 public boolean onBackPressed() { 896 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 897 return mFilmstripLayout.onBackPressed(); 898 } else { 899 return mModeListView.onBackPressed(); 900 } 901 } 902 903 /** 904 * Sets a {@link com.android.camera.ui.PreviewStatusListener} that 905 * listens to SurfaceTexture changes. In addition, listeners are set on 906 * dependent app ui elements. 907 * 908 * @param previewStatusListener the listener that gets notified when SurfaceTexture 909 * changes 910 */ 911 public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) { 912 mPreviewStatusListener = previewStatusListener; 913 if (mPreviewStatusListener != null) { 914 onPreviewListenerChanged(); 915 } 916 } 917 918 /** 919 * When the PreviewStatusListener changes, listeners need to be 920 * set on the following app ui elements: 921 * {@link com.android.camera.ui.PreviewOverlay}, 922 * {@link com.android.camera.ui.BottomBar}, 923 * {@link com.android.camera.ui.IndicatorIconController}. 924 */ 925 private void onPreviewListenerChanged() { 926 // Set a listener for recognizing preview gestures. 927 GestureDetector.OnGestureListener gestureListener 928 = mPreviewStatusListener.getGestureListener(); 929 if (gestureListener != null) { 930 mPreviewOverlay.setGestureListener(gestureListener); 931 } 932 View.OnTouchListener touchListener = mPreviewStatusListener.getTouchListener(); 933 if (touchListener != null) { 934 mPreviewOverlay.setTouchListener(touchListener); 935 } 936 937 mTextureViewHelper.setAutoAdjustTransform( 938 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()); 939 } 940 941 /** 942 * This method should be called in onCameraOpened. It defines CameraAppUI 943 * specific changes that depend on the camera or camera settings. 944 */ 945 public void onChangeCamera() { 946 ModuleController moduleController = mController.getCurrentModuleController(); 947 applyModuleSpecs(moduleController.getHardwareSpec(), moduleController.getBottomBarSpec()); 948 949 if (mIndicatorIconController != null) { 950 // Sync the settings state with the indicator state. 951 mIndicatorIconController.syncIndicators(); 952 } 953 } 954 955 /** 956 * Adds a listener to receive callbacks when preview area changes. 957 */ 958 public void addPreviewAreaChangedListener( 959 PreviewStatusListener.PreviewAreaChangedListener listener) { 960 mTextureViewHelper.addPreviewAreaSizeChangedListener(listener); 961 } 962 963 /** 964 * Removes a listener that receives callbacks when preview area changes. 965 */ 966 public void removePreviewAreaChangedListener( 967 PreviewStatusListener.PreviewAreaChangedListener listener) { 968 mTextureViewHelper.removePreviewAreaSizeChangedListener(listener); 969 } 970 971 /** 972 * This inflates generic_module layout, which contains all the shared views across 973 * modules. Then each module inflates their own views in the given view group. For 974 * now, this is called every time switching from a not-yet-refactored module to a 975 * refactored module. In the future, this should only need to be done once per app 976 * start. 977 */ 978 public void prepareModuleUI() { 979 mCameraRootView.removeAllViews(); 980 LayoutInflater inflater = (LayoutInflater) mController.getAndroidContext() 981 .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 982 inflater.inflate(R.layout.generic_module, mCameraRootView, true); 983 984 mModuleUI = (FrameLayout) mCameraRootView.findViewById(R.id.module_layout); 985 mTextureView = (TextureView) mCameraRootView.findViewById(R.id.preview_content); 986 mTextureViewHelper = new TextureViewHelper(mTextureView); 987 mTextureViewHelper.setSurfaceTextureListener(this); 988 mTextureViewHelper.setOnLayoutChangeListener(mPreviewLayoutChangeListener); 989 990 mBottomBar = (BottomBar) mCameraRootView.findViewById(R.id.bottom_bar); 991 int unpressedColor = mController.getAndroidContext().getResources() 992 .getColor(R.color.bottombar_unpressed); 993 setBottomBarColor(unpressedColor); 994 int pressedColor = mController.getAndroidContext().getResources() 995 .getColor(R.color.bottombar_pressed); 996 setBottomBarPressedColor(pressedColor); 997 998 mModeOptionsOverlay 999 = (ModeOptionsOverlay) mCameraRootView.findViewById(R.id.mode_options_overlay); 1000 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeOptionsOverlay); 1001 1002 // Sets the visibility of the bottom bar and the mode options. 1003 resetBottomControls(mController.getCurrentModuleController(), 1004 mController.getCurrentModuleIndex()); 1005 1006 mShutterButton = (ShutterButton) mCameraRootView.findViewById(R.id.shutter_button); 1007 addShutterListener(mController.getCurrentModuleController()); 1008 addShutterListener(mModeOptionsOverlay); 1009 1010 mGridLines = (GridLines) mCameraRootView.findViewById(R.id.grid_lines); 1011 mTextureViewHelper.addPreviewAreaSizeChangedListener(mGridLines); 1012 1013 mPreviewOverlay = (PreviewOverlay) mCameraRootView.findViewById(R.id.preview_overlay); 1014 mPreviewOverlay.setOnTouchListener(new MyTouchListener()); 1015 mPreviewOverlay.setOnPreviewTouchedListener(mModeOptionsOverlay); 1016 1017 mCaptureOverlay = (CaptureAnimationOverlay) 1018 mCameraRootView.findViewById(R.id.capture_overlay); 1019 mTextureViewHelper.addPreviewAreaSizeChangedListener(mPreviewOverlay); 1020 mTextureViewHelper.addPreviewAreaSizeChangedListener(mCaptureOverlay); 1021 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeListView); 1022 1023 if (mIndicatorIconController == null) { 1024 mIndicatorIconController = 1025 new IndicatorIconController(mController, mAppRootView); 1026 } 1027 mIndicatorIconController.setListener(mModeOptionsOverlay); 1028 1029 mController.getButtonManager().load(mCameraRootView); 1030 mController.getButtonManager().setListener(mIndicatorIconController); 1031 mController.getSettingsManager().addListener(mIndicatorIconController); 1032 1033 mModeOptionsToggle = mCameraRootView.findViewById(R.id.mode_options_toggle); 1034 mBottomBar.addOnLayoutChangeListener(mBottomBarLayoutChangeListener); 1035 mFocusOverlay = mCameraRootView.findViewById(R.id.focus_overlay); 1036 mTutorialsPlaceholder = (FrameLayout) mCameraRootView 1037 .findViewById(R.id.tutorials_placeholder); 1038 1039 mTextureViewHelper.addPreviewAreaSizeChangedListener( 1040 new PreviewStatusListener.PreviewAreaChangedListener() { 1041 @Override 1042 public void onPreviewAreaChanged(RectF previewArea) { 1043 if (mPreviewStatusListener != null && 1044 mPreviewStatusListener.shouldAutoAdjustBottomBar()) { 1045 mBottomBar.onPreviewAreaChanged(previewArea); 1046 } else { 1047 mPeekView.setTranslationX(previewArea.right - mAppRootView.getRight()); 1048 } 1049 } 1050 }); 1051 1052 mBottomBar.setAdjustPreviewAreaListener(new BottomBar.AdjustPreviewAreaListener() { 1053 @Override 1054 public void fitAndCenterPreviewAreaInRect(RectF rect) { 1055 mPeekView.setTranslationX(0f); 1056 if (mPreviewStatusListener != null && 1057 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()) { 1058 mTextureViewHelper.centerPreviewInRect(rect); 1059 } 1060 } 1061 1062 @Override 1063 public void fitAndAlignBottomInRect(RectF rect) { 1064 mPeekView.setTranslationX(0f); 1065 if (mPreviewStatusListener != null && 1066 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()) { 1067 mTextureViewHelper.alignBottomInRect(rect); 1068 } 1069 } 1070 1071 @Override 1072 public void fitAndAlignRightInRect(RectF rect) { 1073 mPeekView.setTranslationX(rect.right - mAppRootView.getRight()); 1074 if (mPreviewStatusListener != null && 1075 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()) { 1076 mTextureViewHelper.alignRightInRect(rect); 1077 } 1078 } 1079 }); 1080 } 1081 1082 /** 1083 * Called indirectly from each module in their initialization to get a view group 1084 * to inflate the module specific views in. 1085 * 1086 * @return a view group for modules to attach views to 1087 */ 1088 public FrameLayout getModuleRootView() { 1089 // TODO: Change it to mModuleUI when refactor is done 1090 return mCameraRootView; 1091 } 1092 1093 /** 1094 * Remove all the module specific views. 1095 */ 1096 public void clearModuleUI() { 1097 if (mModuleUI != null) { 1098 mModuleUI.removeAllViews(); 1099 } 1100 removeShutterListener(mController.getCurrentModuleController()); 1101 mTutorialsPlaceholder.removeAllViews(); 1102 1103 mPreviewStatusListener = null; 1104 mPreviewOverlay.reset(); 1105 mFocusOverlay.setVisibility(View.INVISIBLE); 1106 } 1107 1108 /** 1109 * Gets called when preview is ready to start. It sets up one shot preview callback 1110 * in order to receive a callback when the preview frame is available, so that 1111 * the preview cover can be hidden to reveal preview. 1112 * 1113 * An alternative for getting the timing to hide preview cover is through 1114 * {@link CameraAppUI#onSurfaceTextureUpdated(android.graphics.SurfaceTexture)}, 1115 * which is less accurate but therefore is the fallback for modules that manage 1116 * their own preview callbacks (as setting one preview callback will override 1117 * any other installed preview callbacks), or use camera2 API. 1118 */ 1119 public void onPreviewReadyToStart() { 1120 if (mModeCoverState == COVER_SHOWN) { 1121 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_FRAME; 1122 mController.setupOneShotPreviewListener(); 1123 } 1124 } 1125 1126 /** 1127 * Gets called when preview is started. 1128 */ 1129 public void onPreviewStarted() { 1130 if (mModeCoverState == COVER_SHOWN) { 1131 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE; 1132 } 1133 } 1134 1135 /** 1136 * Gets notified when next preview frame comes in. 1137 */ 1138 public void onNewPreviewFrame() { 1139 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1140 hideModeCover(); 1141 mModeCoverState = COVER_HIDDEN; 1142 } 1143 1144 /** 1145 * Gets called when a mode is selected from {@link com.android.camera.ui.ModeListView} 1146 * 1147 * @param modeIndex mode index of the selected mode 1148 */ 1149 @Override 1150 public void onModeSelected(int modeIndex) { 1151 mHideCoverRunnable = new Runnable() { 1152 @Override 1153 public void run() { 1154 mModeListView.startModeSelectionAnimation(); 1155 } 1156 }; 1157 mModeCoverState = COVER_SHOWN; 1158 1159 int lastIndex = mController.getCurrentModuleIndex(); 1160 mController.onModeSelected(modeIndex); 1161 int currentIndex = mController.getCurrentModuleIndex(); 1162 1163 if (lastIndex == currentIndex) { 1164 hideModeCover(); 1165 } 1166 } 1167 1168 @Override 1169 public void onSettingsSelected() { 1170 mController.onSettingsSelected(); 1171 } 1172 1173 @Override 1174 public int getCurrentModeIndex() { 1175 return mController.getCurrentModuleIndex(); 1176 } 1177 1178 /********************** Capture animation **********************/ 1179 /* TODO: This session is subject to UX changes. In addition to the generic 1180 flash animation and post capture animation, consider designating a parameter 1181 for specifying the type of animation, as well as an animation finished listener 1182 so that modules can have more knowledge of the status of the animation. */ 1183 1184 /** 1185 * Starts the filmstrip peek animation. 1186 * 1187 * @param bitmap The bitmap to show. 1188 * @param strong Whether the animation shows more portion of the bitmap or 1189 * not. 1190 */ 1191 public void startPeekAnimation(Bitmap bitmap, boolean strong) { 1192 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 1193 return; 1194 } 1195 mPeekView.startPeekAnimation(bitmap, strong); 1196 } 1197 1198 /** 1199 * Starts the pre-capture animation. 1200 */ 1201 public void startPreCaptureAnimation() { 1202 mCaptureOverlay.startFlashAnimation(); 1203 } 1204 1205 /** 1206 * Cancels the pre-capture animation. 1207 */ 1208 public void cancelPreCaptureAnimation() { 1209 mAnimationManager.cancelAnimations(); 1210 } 1211 1212 /** 1213 * Cancels the post-capture animation. 1214 */ 1215 public void cancelPostCaptureAnimation() { 1216 mAnimationManager.cancelAnimations(); 1217 } 1218 1219 public FilmstripContentPanel getFilmstripContentPanel() { 1220 return mFilmstripPanel; 1221 } 1222 1223 /** 1224 * @return The {@link com.android.camera.app.CameraAppUI.BottomPanel} on the 1225 * bottom of the filmstrip. 1226 */ 1227 public BottomPanel getFilmstripBottomControls() { 1228 return mFilmstripBottomControls; 1229 } 1230 1231 /** 1232 * @param listener The listener for bottom controls. 1233 */ 1234 public void setFilmstripBottomControlsListener(BottomPanel.Listener listener) { 1235 mFilmstripBottomControls.setListener(listener); 1236 } 1237 1238 /***************************SurfaceTexture Api and Listener*********************************/ 1239 1240 /** 1241 * Return the shared surface texture. 1242 */ 1243 public SurfaceTexture getSurfaceTexture() { 1244 return mSurface; 1245 } 1246 1247 /** 1248 * Return the shared {@link android.graphics.SurfaceTexture}'s width. 1249 */ 1250 public int getSurfaceWidth() { 1251 return mSurfaceWidth; 1252 } 1253 1254 /** 1255 * Return the shared {@link android.graphics.SurfaceTexture}'s height. 1256 */ 1257 public int getSurfaceHeight() { 1258 return mSurfaceHeight; 1259 } 1260 1261 @Override 1262 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 1263 mSurface = surface; 1264 mSurfaceWidth = width; 1265 mSurfaceHeight = height; 1266 Log.v(TAG, "SurfaceTexture is available"); 1267 if (mPreviewStatusListener != null) { 1268 mPreviewStatusListener.onSurfaceTextureAvailable(surface, width, height); 1269 } 1270 } 1271 1272 @Override 1273 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 1274 mSurface = surface; 1275 mSurfaceWidth = width; 1276 mSurfaceHeight = height; 1277 if (mPreviewStatusListener != null) { 1278 mPreviewStatusListener.onSurfaceTextureSizeChanged(surface, width, height); 1279 } 1280 } 1281 1282 @Override 1283 public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 1284 mSurface = null; 1285 Log.v(TAG, "SurfaceTexture is destroyed"); 1286 if (mPreviewStatusListener != null) { 1287 return mPreviewStatusListener.onSurfaceTextureDestroyed(surface); 1288 } 1289 return false; 1290 } 1291 1292 @Override 1293 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 1294 mSurface = surface; 1295 if (mModeCoverState == COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE) { 1296 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1297 hideModeCover(); 1298 mModeCoverState = COVER_HIDDEN; 1299 } 1300 if (mPreviewStatusListener != null) { 1301 mPreviewStatusListener.onSurfaceTextureUpdated(surface); 1302 } 1303 } 1304 1305 /****************************Grid lines api ******************************/ 1306 1307 /** 1308 * Show a set of evenly spaced lines over the preview. The number 1309 * of lines horizontally and vertically is determined by 1310 * {@link com.android.camera.ui.GridLines}. 1311 */ 1312 public void showGridLines() { 1313 if (mGridLines != null) { 1314 mGridLines.setVisibility(View.VISIBLE); 1315 } 1316 } 1317 1318 /** 1319 * Hide the set of evenly spaced grid lines overlaying the preview. 1320 */ 1321 public void hideGridLines() { 1322 if (mGridLines != null) { 1323 mGridLines.setVisibility(View.INVISIBLE); 1324 } 1325 } 1326 1327 /** 1328 * Return a callback which shows or hide the preview grid lines 1329 * depending on whether the grid lines setting is set on. 1330 */ 1331 public ButtonManager.ButtonCallback getGridLinesCallback() { 1332 return new ButtonManager.ButtonCallback() { 1333 @Override 1334 public void onStateChanged(int state) { 1335 if (mController.getSettingsManager().areGridLinesOn()) { 1336 showGridLines(); 1337 } else { 1338 hideGridLines(); 1339 } 1340 } 1341 }; 1342 } 1343 1344 /***************************Mode options api *****************************/ 1345 1346 /** 1347 * Set the mode options visible. 1348 */ 1349 public void showModeOptions() { 1350 mModeOptionsOverlay.setVisibility(View.VISIBLE); 1351 } 1352 1353 /** 1354 * Set the mode options invisible. This is necessary for modes 1355 * that don't show a bottom bar for the capture UI. 1356 */ 1357 public void hideModeOptions() { 1358 mModeOptionsOverlay.setVisibility(View.INVISIBLE); 1359 } 1360 1361 /****************************Bottom bar api ******************************/ 1362 1363 /** 1364 * Sets up the bottom bar and mode options with the correct 1365 * shutter button and visibility based on the current module. 1366 */ 1367 public void resetBottomControls(ModuleController module, int moduleIndex) { 1368 if (areBottomControlsUsed(module)) { 1369 setBottomBarShutterIcon(moduleIndex); 1370 } 1371 } 1372 1373 /** 1374 * Show or hide the mode options and bottom bar, based on 1375 * whether the current module is using the bottom bar. Returns 1376 * whether the mode options and bottom bar are used. 1377 */ 1378 private boolean areBottomControlsUsed(ModuleController module) { 1379 if (module.isUsingBottomBar()) { 1380 showBottomBar(); 1381 showModeOptions(); 1382 return true; 1383 } else { 1384 hideBottomBar(); 1385 hideModeOptions(); 1386 return false; 1387 } 1388 } 1389 1390 /** 1391 * Set the bottom bar visible. 1392 */ 1393 public void showBottomBar() { 1394 mBottomBar.setVisibility(View.VISIBLE); 1395 } 1396 1397 /** 1398 * Set the bottom bar invisible. 1399 */ 1400 public void hideBottomBar() { 1401 mBottomBar.setVisibility(View.INVISIBLE); 1402 } 1403 1404 /** 1405 * Sets the color of the bottom bar. 1406 */ 1407 public void setBottomBarColor(int colorId) { 1408 mBottomBar.setBackgroundColor(colorId); 1409 } 1410 1411 /** 1412 * Sets the pressed color of the bottom bar. 1413 */ 1414 public void setBottomBarPressedColor(int colorId) { 1415 mBottomBar.setBackgroundPressedColor(colorId); 1416 } 1417 1418 /** 1419 * Sets the shutter button icon on the bottom bar, based on 1420 * the mode index. 1421 */ 1422 public void setBottomBarShutterIcon(int modeIndex) { 1423 int shutterIconId = CameraUtil.getCameraShutterIconId(modeIndex, 1424 mController.getAndroidContext()); 1425 mBottomBar.setShutterButtonIcon(shutterIconId); 1426 } 1427 1428 public void animateBottomBarToVideoStop(int shutterIconId) { 1429 mBottomBar.animateToVideoStop(shutterIconId); 1430 } 1431 1432 public void animateBottomBarToFullSize(int shutterIconId) { 1433 mBottomBar.animateToFullSize(shutterIconId); 1434 } 1435 1436 public void setCaptureButtonEnabled(boolean enabled) { 1437 mBottomBar.setCaptureButtonEnabled(enabled); 1438 } 1439 1440 public void setModeOptionsVisible(boolean visible) { 1441 mModeOptionsOverlay.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1442 } 1443 1444 /** 1445 * Set the visibility of the bottom bar. 1446 */ 1447 // TODO: needed for when panorama is managed by the generic module ui. 1448 public void setBottomBarVisible(boolean visible) { 1449 mBottomBar.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1450 } 1451 1452 /** 1453 * Add a {@link #ShutterButton.OnShutterButtonListener} to the shutter button. 1454 */ 1455 public void addShutterListener(ShutterButton.OnShutterButtonListener listener) { 1456 mShutterButton.addOnShutterButtonListener(listener); 1457 } 1458 1459 /** 1460 * Remove a {@link #ShutterButton.OnShutterButtonListener} from the shutter button. 1461 */ 1462 public void removeShutterListener(ShutterButton.OnShutterButtonListener listener) { 1463 mShutterButton.removeOnShutterButtonListener(listener); 1464 } 1465 1466 /** 1467 * Performs a transition to the capture layout of the bottom bar. 1468 */ 1469 public void transitionToCapture() { 1470 ModuleController moduleController = mController.getCurrentModuleController(); 1471 applyModuleSpecs(moduleController.getHardwareSpec(), 1472 moduleController.getBottomBarSpec()); 1473 mBottomBar.transitionToCapture(); 1474 } 1475 1476 /** 1477 * Displays the Cancel button instead of the capture button. 1478 */ 1479 public void transitionToCancel() { 1480 ModuleController moduleController = mController.getCurrentModuleController(); 1481 applyModuleSpecs(moduleController.getHardwareSpec(), 1482 moduleController.getBottomBarSpec()); 1483 mBottomBar.transitionToCancel(); 1484 } 1485 1486 /** 1487 * Performs a transition to the global intent layout. 1488 */ 1489 public void transitionToIntentCaptureLayout() { 1490 ModuleController moduleController = mController.getCurrentModuleController(); 1491 applyModuleSpecs(moduleController.getHardwareSpec(), 1492 moduleController.getBottomBarSpec()); 1493 mBottomBar.transitionToIntentCaptureLayout(); 1494 } 1495 1496 /** 1497 * Performs a transition to the global intent review layout. 1498 */ 1499 public void transitionToIntentReviewLayout() { 1500 ModuleController moduleController = mController.getCurrentModuleController(); 1501 applyModuleSpecs(moduleController.getHardwareSpec(), 1502 moduleController.getBottomBarSpec()); 1503 mBottomBar.transitionToIntentReviewLayout(); 1504 } 1505 1506 /** 1507 * Applies a {@link com.android.camera.CameraAppUI.BottomBarUISpec} 1508 * to the bottom bar mode options based on limitations from a 1509 * {@link com.android.camera.hardware.HardwareSpec}. 1510 * 1511 * Options not supported by the hardware are either hidden 1512 * or disabled, depending on the option. 1513 * 1514 * Otherwise, the option is fully enabled and clickable. 1515 */ 1516 public void applyModuleSpecs(final HardwareSpec hardwareSpec, 1517 final BottomBarUISpec bottomBarSpec) { 1518 if (hardwareSpec == null || bottomBarSpec == null) { 1519 return; 1520 } 1521 1522 ButtonManager buttonManager = mController.getButtonManager(); 1523 SettingsManager settingsManager = mController.getSettingsManager(); 1524 1525 /** Standard mode options */ 1526 if (hardwareSpec.isFrontCameraSupported()) { 1527 if (bottomBarSpec.enableCamera) { 1528 buttonManager.enableButton(ButtonManager.BUTTON_CAMERA, 1529 bottomBarSpec.cameraCallback); 1530 } else { 1531 buttonManager.disableButton(ButtonManager.BUTTON_CAMERA); 1532 } 1533 } else { 1534 // Hide camera icon if front camera not available. 1535 buttonManager.hideButton(ButtonManager.BUTTON_CAMERA); 1536 } 1537 1538 boolean flashBackCamera = mController.getSettingsManager().getBoolean( 1539 SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA); 1540 if (bottomBarSpec.hideFlash || !flashBackCamera) { 1541 buttonManager.hideButton(ButtonManager.BUTTON_FLASH); 1542 } else { 1543 if (hardwareSpec.isFlashSupported()) { 1544 if (bottomBarSpec.enableFlash) { 1545 buttonManager.enableButton(ButtonManager.BUTTON_FLASH, bottomBarSpec.flashCallback); 1546 } else if (bottomBarSpec.enableTorchFlash) { 1547 buttonManager.enableButton(ButtonManager.BUTTON_TORCH, bottomBarSpec.flashCallback); 1548 } else { 1549 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1550 } 1551 } else { 1552 // Disable flash icon if not supported by the hardware. 1553 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1554 } 1555 } 1556 1557 if (bottomBarSpec.hideHdr || mIsCaptureIntent) { 1558 // Force hide hdr or hdr plus icon. 1559 buttonManager.hideButton(ButtonManager.BUTTON_HDRPLUS); 1560 } else { 1561 if (hardwareSpec.isHdrPlusSupported()) { 1562 if (bottomBarSpec.enableHdr && settingsManager.isCameraBackFacing()) { 1563 buttonManager.enableButton(ButtonManager.BUTTON_HDRPLUS, 1564 bottomBarSpec.hdrCallback); 1565 } else { 1566 buttonManager.disableButton(ButtonManager.BUTTON_HDRPLUS); 1567 } 1568 } else if (hardwareSpec.isHdrSupported()) { 1569 if (bottomBarSpec.enableHdr && settingsManager.isCameraBackFacing()) { 1570 buttonManager.enableButton(ButtonManager.BUTTON_HDR, 1571 bottomBarSpec.hdrCallback); 1572 } else { 1573 buttonManager.disableButton(ButtonManager.BUTTON_HDR); 1574 } 1575 } else { 1576 // Hide hdr plus or hdr icon if neither are supported. 1577 buttonManager.hideButton(ButtonManager.BUTTON_HDRPLUS); 1578 } 1579 } 1580 1581 if (bottomBarSpec.hideGridLines) { 1582 // Force hide grid lines icon. 1583 buttonManager.hideButton(ButtonManager.BUTTON_GRID_LINES); 1584 hideGridLines(); 1585 } else { 1586 if (bottomBarSpec.enableGridLines) { 1587 buttonManager.enableButton(ButtonManager.BUTTON_GRID_LINES, 1588 bottomBarSpec.gridLinesCallback != null ? 1589 bottomBarSpec.gridLinesCallback : getGridLinesCallback()); 1590 } else { 1591 buttonManager.disableButton(ButtonManager.BUTTON_GRID_LINES); 1592 hideGridLines(); 1593 } 1594 } 1595 1596 if (bottomBarSpec.enablePanoOrientation 1597 && PhotoSphereHelper.getPanoramaOrientationOptionArrayId() > 0) { 1598 buttonManager.enableButton(ButtonManager.BUTTON_PANO_ORIENTATION, 1599 bottomBarSpec.panoOrientationCallback); 1600 } else { 1601 buttonManager.hideButton(ButtonManager.BUTTON_PANO_ORIENTATION); 1602 } 1603 1604 /** Intent UI */ 1605 if (bottomBarSpec.showCancel) { 1606 buttonManager.enablePushButton(ButtonManager.BUTTON_CANCEL, 1607 bottomBarSpec.cancelCallback); 1608 } 1609 if (bottomBarSpec.showDone) { 1610 buttonManager.enablePushButton(ButtonManager.BUTTON_DONE, 1611 bottomBarSpec.doneCallback); 1612 } 1613 if (bottomBarSpec.showRetake) { 1614 buttonManager.enablePushButton(ButtonManager.BUTTON_RETAKE, 1615 bottomBarSpec.retakeCallback); 1616 } 1617 if (bottomBarSpec.showReview) { 1618 buttonManager.enablePushButton(ButtonManager.BUTTON_REVIEW, 1619 bottomBarSpec.reviewCallback, 1620 R.drawable.ic_play); 1621 } 1622 } 1623 1624 /** 1625 * Shows the given tutorial on the screen. 1626 */ 1627 public void showTutorial(AbstractTutorialOverlay tutorial, LayoutInflater inflater) { 1628 tutorial.show(mTutorialsPlaceholder, inflater); 1629 } 1630 1631 /***************************Filmstrip api *****************************/ 1632 1633 public void showFilmstrip() { 1634 mFilmstripLayout.showFilmstrip(); 1635 } 1636 1637 public void hideFilmstrip() { 1638 mFilmstripLayout.hideFilmstrip(); 1639 } 1640} 1641