CameraAppUI.java revision 791f211c87d0e15e3264086a5ea75ff9066aa177
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.util.Log; 29import android.view.GestureDetector; 30import android.view.LayoutInflater; 31import android.view.MotionEvent; 32import android.view.TextureView; 33import android.view.View; 34import android.view.ViewConfiguration; 35import android.view.ViewGroup; 36import android.widget.FrameLayout; 37 38import com.android.camera.AnimationManager; 39import com.android.camera.ButtonManager; 40import com.android.camera.ShutterButton; 41import com.android.camera.TextureViewHelper; 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.BottomBar; 47import com.android.camera.ui.CaptureAnimationOverlay; 48import com.android.camera.ui.GridLines; 49import com.android.camera.ui.MainActivityLayout; 50import com.android.camera.ui.ModeListView; 51import com.android.camera.ui.ModeTransitionView; 52import com.android.camera.ui.PreviewOverlay; 53import com.android.camera.ui.PreviewStatusListener; 54import com.android.camera.util.ApiHelper; 55import com.android.camera.util.CameraUtil; 56import com.android.camera.util.Gusterpolator; 57import com.android.camera.util.PhotoSphereHelper; 58import com.android.camera.util.UsageStatistics; 59import com.android.camera.widget.FilmstripLayout; 60import com.android.camera.widget.IndicatorIconController; 61import com.android.camera.widget.ModeOptionsOverlay; 62import com.android.camera.widget.PeekView; 63import com.android.camera2.R; 64import com.google.common.logging.eventprotos; 65 66/** 67 * CameraAppUI centralizes control of views shared across modules. Whereas module 68 * specific views will be handled in each Module UI. For example, we can now 69 * bring the flash animation and capture animation up from each module to app 70 * level, as these animations are largely the same for all modules. 71 * 72 * This class also serves to disambiguate touch events. It recognizes all the 73 * swipe gestures that happen on the preview by attaching a touch listener to 74 * a full-screen view on top of preview TextureView. Since CameraAppUI has knowledge 75 * of how swipe from each direction should be handled, it can then redirect these 76 * events to appropriate recipient views. 77 */ 78public class CameraAppUI implements ModeListView.ModeSwitchListener, 79 TextureView.SurfaceTextureListener, ModeListView.ModeListOpenListener { 80 81 /** 82 * The bottom controls on the filmstrip. 83 */ 84 public static interface BottomControls { 85 /** Values for the view state of the button. */ 86 public final int VIEWER_NONE = 0; 87 public final int VIEWER_PHOTO_SPHERE = 1; 88 public final int VIEWER_REFOCUS = 2; 89 public final int VIEWER_OTHER = 3; 90 91 /** 92 * Sets a new or replaces an existing listener for bottom control events. 93 */ 94 void setListener(Listener listener); 95 96 /** 97 * Set if the bottom controls are visible. 98 * @param visible {@code true} if visible. 99 */ 100 void setVisible(boolean visible); 101 102 /** 103 * @param visible Whether the button is visible. 104 */ 105 void setEditButtonVisibility(boolean visible); 106 107 /** 108 * @param enabled Whether the button is enabled. 109 */ 110 void setEditEnabled(boolean enabled); 111 112 /** 113 * Sets the visibility of the view-photosphere button. 114 * 115 * @param state one of {@link #VIEWER_NONE}, {@link #VIEWER_PHOTO_SPHERE}, 116 * {@link #VIEWER_REFOCUS}. 117 */ 118 void setViewerButtonVisibility(int state); 119 120 /** 121 * @param enabled Whether the button is enabled. 122 */ 123 void setViewEnabled(boolean enabled); 124 125 /** 126 * @param enabled Whether the button is enabled. 127 */ 128 void setTinyPlanetEnabled(boolean enabled); 129 130 /** 131 * @param visible Whether the button is visible. 132 */ 133 void setDeleteButtonVisibility(boolean visible); 134 135 /** 136 * @param enabled Whether the button is enabled. 137 */ 138 void setDeleteEnabled(boolean enabled); 139 140 /** 141 * @param visible Whether the button is visible. 142 */ 143 void setShareButtonVisibility(boolean visible); 144 145 /** 146 * @param enabled Whether the button is enabled. 147 */ 148 void setShareEnabled(boolean enabled); 149 150 /** 151 * Classes implementing this interface can listen for events on the bottom 152 * controls. 153 */ 154 public static interface Listener { 155 /** 156 * Called when the user pressed the "view" button to e.g. view a photo 157 * sphere or RGBZ image. 158 */ 159 public void onExternalViewer(); 160 161 /** 162 * Called when the "edit" button is pressed. 163 */ 164 public void onEdit(); 165 166 /** 167 * Called when the "tiny planet" button is pressed. 168 */ 169 public void onTinyPlanet(); 170 171 /** 172 * Called when the "delete" button is pressed. 173 */ 174 public void onDelete(); 175 176 /** 177 * Called when the "share" button is pressed. 178 */ 179 public void onShare(); 180 } 181 } 182 183 /** 184 * BottomBarUISpec provides a structure for modules 185 * to specify their ideal bottom bar mode options layout. 186 * 187 * Once constructed by a module, this class should be 188 * treated as read only. 189 * 190 * The application then edits this spec according to 191 * hardware limitations and displays the final bottom 192 * bar ui. 193 */ 194 public static class BottomBarUISpec { 195 /** Mode options UI */ 196 197 /** 198 * Set true if the camera option should be enabled. 199 * If not set or false, and multiple cameras are supported, 200 * the camera option will be disabled. 201 * 202 * If multiple cameras are not supported, this preference 203 * is ignored and the camera option will not be visible. 204 */ 205 public boolean enableCamera; 206 207 /** 208 * Set true if the camera option should not be visible, regardless 209 * of hardware limitations. 210 */ 211 public boolean hideCamera; 212 213 /** 214 * Set true if the photo flash option should be enabled. 215 * If not set or false, the photo flash option will be 216 * disabled. 217 * 218 * If the hardware does not support multiple flash values, 219 * this preference is ignored and the flash option will 220 * be disabled. It will not be made invisible in order to 221 * preserve a consistent experience across devices and between 222 * front and back cameras. 223 */ 224 public boolean enableFlash; 225 226 /** 227 * Set true if the video flash option should be enabled. 228 * Same disable rules apply as the photo flash option. 229 */ 230 public boolean enableTorchFlash; 231 232 /** 233 * Set true if flash should not be visible, regardless of 234 * hardware limitations. 235 */ 236 public boolean hideFlash; 237 238 /** 239 * Set true if the hdr/hdr+ option should be enabled. 240 * If not set or false, the hdr/hdr+ option will be disabled. 241 * 242 * Hdr or hdr+ will be chosen based on hardware limitations, 243 * with hdr+ prefered. 244 * 245 * If hardware supports neither hdr nor hdr+, then the hdr/hdr+ 246 * will not be visible. 247 */ 248 public boolean enableHdr; 249 250 /** 251 * Set true if hdr/hdr+ should not be visible, regardless of 252 * hardware limitations. 253 */ 254 public boolean hideHdr; 255 256 /** 257 * Set true if grid lines should be visible. Not setting this 258 * causes grid lines to be disabled. This option is agnostic to 259 * the hardware. 260 */ 261 public boolean enableGridLines; 262 263 /** 264 * Set true if grid lines should not be visible. 265 */ 266 public boolean hideGridLines; 267 268 /** 269 * Set true if the panorama orientation option should be visible. 270 * 271 * This option is not constrained by hardware limitations. 272 */ 273 public boolean enablePanoOrientation; 274 275 /** Intent UI */ 276 277 /** 278 * Set true if the intent ui cancel option should be visible. 279 */ 280 public boolean showCancel; 281 /** 282 * Set true if the intent ui done option should be visible. 283 */ 284 public boolean showDone; 285 /** 286 * Set true if the intent ui retake option should be visible. 287 */ 288 public boolean showRetake; 289 /** 290 * Set true if the intent ui review option should be visible. 291 */ 292 public boolean showReview; 293 294 /** Mode options callbacks */ 295 296 /** 297 * A {@link com.android.camera.ButtonManager.ButtonCallback} 298 * that will be executed when the camera option is pressed. This 299 * callback can be null. 300 */ 301 public ButtonManager.ButtonCallback cameraCallback; 302 303 /** 304 * A {@link com.android.camera.ButtonManager.ButtonCallback} 305 * that will be executed when the flash option is pressed. This 306 * callback can be null. 307 */ 308 public ButtonManager.ButtonCallback flashCallback; 309 310 /** 311 * A {@link com.android.camera.ButtonManager.ButtonCallback} 312 * that will be executed when the hdr/hdr+ option is pressed. This 313 * callback can be null. 314 */ 315 public ButtonManager.ButtonCallback hdrCallback; 316 317 /** 318 * A {@link com.android.camera.ButtonManager.ButtonCallback} 319 * that will be executed when the grid lines option is pressed. This 320 * callback can be null. 321 */ 322 public ButtonManager.ButtonCallback gridLinesCallback; 323 324 /** 325 * A {@link com.android.camera.ButtonManager.ButtonCallback} 326 * that will execute when the panorama orientation option is pressed. 327 * This callback can be null. 328 */ 329 public ButtonManager.ButtonCallback panoOrientationCallback; 330 331 /** Intent UI callbacks */ 332 333 /** 334 * A {@link android.view.View.OnClickListener} that will execute 335 * when the cancel option is pressed. This callback can be null. 336 */ 337 public View.OnClickListener cancelCallback; 338 339 /** 340 * A {@link android.view.View.OnClickListener} that will execute 341 * when the done option is pressed. This callback can be null. 342 */ 343 public View.OnClickListener doneCallback; 344 345 /** 346 * A {@link android.view.View.OnClickListener} that will execute 347 * when the retake option is pressed. This callback can be null. 348 */ 349 public View.OnClickListener retakeCallback; 350 351 /** 352 * A {@link android.view.View.OnClickListener} that will execute 353 * when the review option is pressed. This callback can be null. 354 */ 355 public View.OnClickListener reviewCallback; 356 } 357 358 359 private final static String TAG = "CameraAppUI"; 360 361 private final AppController mController; 362 private final boolean mIsCaptureIntent; 363 private final AnimationManager mAnimationManager; 364 365 // Swipe states: 366 private final static int IDLE = 0; 367 private final static int SWIPE_UP = 1; 368 private final static int SWIPE_DOWN = 2; 369 private final static int SWIPE_LEFT = 3; 370 private final static int SWIPE_RIGHT = 4; 371 private boolean mSwipeEnabled = true; 372 373 // Shared Surface Texture properities. 374 private SurfaceTexture mSurface; 375 private int mSurfaceWidth; 376 private int mSurfaceHeight; 377 378 // Touch related measures: 379 private final int mSlop; 380 private final static int SWIPE_TIME_OUT_MS = 500; 381 382 private final static int SHIMMY_DELAY_MS = 1000; 383 384 // Mode cover states: 385 private final static int COVER_HIDDEN = 0; 386 private final static int COVER_SHOWN = 1; 387 private final static int COVER_WILL_HIDE_AT_NEXT_FRAME = 2; 388 private static final int COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE = 3; 389 390 // App level views: 391 private final FrameLayout mCameraRootView; 392 private final ModeTransitionView mModeTransitionView; 393 private final MainActivityLayout mAppRootView; 394 private final ModeListView mModeListView; 395 private final FilmstripLayout mFilmstripLayout; 396 private TextureView mTextureView; 397 private FrameLayout mModuleUI; 398 private BottomBar mBottomBar; 399 private ModeOptionsOverlay mModeOptionsOverlay; 400 private boolean mShouldShowShimmy = false; 401 private IndicatorIconController mIndicatorIconController; 402 private View mFocusOverlay; 403 404 private TextureViewHelper mTextureViewHelper; 405 private final GestureDetector mGestureDetector; 406 private DisplayManager.DisplayListener mDisplayListener; 407 private int mLastRotation; 408 private int mSwipeState = IDLE; 409 private PreviewOverlay mPreviewOverlay; 410 private GridLines mGridLines; 411 private CaptureAnimationOverlay mCaptureOverlay; 412 private PreviewStatusListener mPreviewStatusListener; 413 private int mModeCoverState = COVER_HIDDEN; 414 private final FilmstripBottomControls mFilmstripBottomControls; 415 private final FilmstripContentPanel mFilmstripPanel; 416 private Runnable mHideCoverRunnable; 417 private final UncoveredPreviewAreaSizeChangedListener mUncoverPreviewAreaChangedListener; 418 private final View.OnLayoutChangeListener mPreviewLayoutChangeListener 419 = new View.OnLayoutChangeListener() { 420 @Override 421 public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, 422 int oldTop, int oldRight, int oldBottom) { 423 if (mPreviewStatusListener != null) { 424 mPreviewStatusListener.onPreviewLayoutChanged(v, left, top, right, bottom, oldLeft, 425 oldTop, oldRight, oldBottom); 426 } 427 } 428 }; 429 private View mModeOptionsToggle; 430 private RectF mBottomBarRect = new RectF(); 431 private final View.OnLayoutChangeListener mBottomBarLayoutChangeListener 432 = new View.OnLayoutChangeListener() { 433 @Override 434 public void onLayoutChange(View v, int left, int top, int right, int bottom, 435 int oldLeft, int oldTop, int oldRight, int oldBottom) { 436 if (mBottomBar.getVisibility() == View.VISIBLE) { 437 mBottomBarRect.set(left, top, right, bottom); 438 } else { 439 // If bottom bar is not visible, treat it as a 0x0 rect at the 440 // bottom right corner of the screen. 441 mBottomBarRect.set(right, bottom, right, bottom); 442 } 443 444 RectF previewArea = mTextureViewHelper.getPreviewArea(); 445 // Use preview area and bottom bar rect to calculate the preview that is 446 // not covered by bottom bar. 447 if (mBottomBar.getResources().getConfiguration().orientation 448 == Configuration.ORIENTATION_PORTRAIT) { 449 previewArea.bottom = Math.min(mBottomBarRect.top, previewArea.bottom); 450 } else { 451 previewArea.right = Math.min(mBottomBarRect.left, previewArea.right); 452 } 453 454 if (mUncoverPreviewAreaChangedListener != null) { 455 mUncoverPreviewAreaChangedListener.uncoveredPreviewAreaChanged(previewArea); 456 } 457 } 458 }; 459 private PeekView mPeekView; 460 461 /** 462 * Provides current preview frame and the controls/overlay from the module that 463 * are shown on top of the preview. 464 */ 465 public interface CameraModuleScreenShotProvider { 466 /** 467 * Returns the current preview frame down-sampled using the given down-sample 468 * factor. 469 * 470 * @param downSampleFactor the down sample factor for down sampling the 471 * preview frame. (e.g. a down sample factor of 472 * 2 means to scale down the preview frame to 1/2 473 * the width and height.) 474 * @return down-sampled preview frame 475 */ 476 public Bitmap getPreviewFrame(int downSampleFactor); 477 478 /** 479 * @return the controls and overlays that are currently showing on top of 480 * the preview drawn into a bitmap with no scaling applied. 481 */ 482 public Bitmap getPreviewOverlayAndControls(); 483 } 484 485 /** 486 * Gets notified when the preview area that is not covered by bottom bar is 487 * changed. 488 */ 489 public interface UncoveredPreviewAreaSizeChangedListener { 490 /** 491 * Gets called when the preview area that is not covered by bottom bar is 492 * changed. 493 * 494 * @param uncoveredPreviewArea the rect of the preview area that is not 495 * under bottom bar 496 */ 497 public void uncoveredPreviewAreaChanged(RectF uncoveredPreviewArea); 498 } 499 500 private final CameraModuleScreenShotProvider mCameraModuleScreenShotProvider = 501 new CameraModuleScreenShotProvider() { 502 @Override 503 public Bitmap getPreviewFrame(int downSampleFactor) { 504 if (mCameraRootView == null || mTextureView == null) { 505 return null; 506 } 507 508 RectF previewArea = mTextureViewHelper.getPreviewArea(); 509 // Gets the bitmap from the preview TextureView. 510 Bitmap preview = mTextureView.getBitmap( 511 (int) previewArea.width() / downSampleFactor, 512 (int) previewArea.height() / downSampleFactor); 513 return preview; 514 } 515 516 @Override 517 public Bitmap getPreviewOverlayAndControls() { 518 Bitmap overlays = Bitmap.createBitmap(mCameraRootView.getWidth(), 519 mCameraRootView.getHeight(), Bitmap.Config.ARGB_8888); 520 Canvas canvas = new Canvas(overlays); 521 mCameraRootView.draw(canvas); 522 return overlays; 523 } 524 }; 525 526 private long mCoverHiddenTime = -1; // System time when preview cover was hidden. 527 528 public long getCoverHiddenTime() { 529 return mCoverHiddenTime; 530 } 531 532 /** 533 * This resets the preview to have no applied transform matrix. 534 */ 535 public void clearPreviewTransform() { 536 mTextureViewHelper.clearTransform(); 537 } 538 539 public void updatePreviewAspectRatio(float aspectRatio) { 540 mTextureViewHelper.updateAspectRatio(aspectRatio); 541 } 542 543 /** 544 * This is to support modules that calculate their own transform matrix because 545 * they need to use a transform matrix to rotate the preview. 546 * 547 * @param matrix transform matrix to be set on the TextureView 548 */ 549 public void updatePreviewTransform(Matrix matrix) { 550 mTextureViewHelper.updateTransform(matrix); 551 } 552 553 public interface AnimationFinishedListener { 554 public void onAnimationFinished(boolean success); 555 } 556 557 private class MyTouchListener implements View.OnTouchListener { 558 private boolean mScaleStarted = false; 559 @Override 560 public boolean onTouch(View v, MotionEvent event) { 561 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 562 mScaleStarted = false; 563 } else if (event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) { 564 mScaleStarted = true; 565 } 566 return (!mScaleStarted) && mGestureDetector.onTouchEvent(event); 567 } 568 } 569 570 /** 571 * This gesture listener finds out the direction of the scroll gestures and 572 * sends them to CameraAppUI to do further handling. 573 */ 574 private class MyGestureListener extends GestureDetector.SimpleOnGestureListener { 575 private MotionEvent mDown; 576 577 @Override 578 public boolean onScroll(MotionEvent e1, MotionEvent ev, float distanceX, float distanceY) { 579 if (ev.getEventTime() - ev.getDownTime() > SWIPE_TIME_OUT_MS 580 || mSwipeState != IDLE 581 || mIsCaptureIntent 582 || !mSwipeEnabled) { 583 return false; 584 } 585 586 int deltaX = (int) (ev.getX() - mDown.getX()); 587 int deltaY = (int) (ev.getY() - mDown.getY()); 588 if (ev.getActionMasked() == MotionEvent.ACTION_MOVE) { 589 if (Math.abs(deltaX) > mSlop || Math.abs(deltaY) > mSlop) { 590 // Calculate the direction of the swipe. 591 if (deltaX >= Math.abs(deltaY)) { 592 // Swipe right. 593 setSwipeState(SWIPE_RIGHT); 594 } else if (deltaX <= -Math.abs(deltaY)) { 595 // Swipe left. 596 setSwipeState(SWIPE_LEFT); 597 } else if (deltaY >= Math.abs(deltaX)) { 598 // Swipe down. 599 setSwipeState(SWIPE_DOWN); 600 } else if (deltaY <= -Math.abs(deltaX)) { 601 // Swipe up. 602 setSwipeState(SWIPE_UP); 603 } 604 } 605 } 606 return true; 607 } 608 609 private void setSwipeState(int swipeState) { 610 mSwipeState = swipeState; 611 // Notify new swipe detected. 612 onSwipeDetected(swipeState); 613 } 614 615 @Override 616 public boolean onDown(MotionEvent ev) { 617 mDown = MotionEvent.obtain(ev); 618 mSwipeState = IDLE; 619 return false; 620 } 621 } 622 623 public CameraAppUI(AppController controller, MainActivityLayout appRootView, 624 boolean isCaptureIntent) { 625 mSlop = ViewConfiguration.get(controller.getAndroidContext()).getScaledTouchSlop(); 626 mController = controller; 627 mIsCaptureIntent = isCaptureIntent; 628 629 mAppRootView = appRootView; 630 mFilmstripLayout = (FilmstripLayout) appRootView.findViewById(R.id.filmstrip_layout); 631 mCameraRootView = (FrameLayout) appRootView.findViewById(R.id.camera_app_root); 632 mModeTransitionView = (ModeTransitionView) 633 mAppRootView.findViewById(R.id.mode_transition_view); 634 mFilmstripBottomControls = new FilmstripBottomControls(controller, 635 (ViewGroup) mAppRootView.findViewById(R.id.filmstrip_bottom_controls)); 636 mFilmstripPanel = (FilmstripContentPanel) mAppRootView.findViewById(R.id.filmstrip_layout); 637 mGestureDetector = new GestureDetector(controller.getAndroidContext(), 638 new MyGestureListener()); 639 mModeListView = (ModeListView) appRootView.findViewById(R.id.mode_list_layout); 640 if (mModeListView != null) { 641 mModeListView.setModeSwitchListener(this); 642 mModeListView.setModeListOpenListener(this); 643 mModeListView.setCameraModuleScreenShotProvider(mCameraModuleScreenShotProvider); 644 } else { 645 Log.e(TAG, "Cannot find mode list in the view hierarchy"); 646 } 647 mUncoverPreviewAreaChangedListener = 648 mModeListView.getUncoveredPreviewAreaSizeChangedListener(); 649 mAnimationManager = new AnimationManager(); 650 mPeekView = (PeekView) appRootView.findViewById(R.id.peek_view); 651 initDisplayListener(); 652 } 653 654 /** 655 * Enable or disable swipe gestures. We want to disable them e.g. while we 656 * record a video. 657 */ 658 public void setSwipeEnabled(boolean enabled) { 659 mAppRootView.setSwipeEnabled(enabled); 660 mSwipeEnabled = enabled; 661 } 662 663 public void onDestroy() { 664 ((DisplayManager) mController.getAndroidContext() 665 .getSystemService(Context.DISPLAY_SERVICE)) 666 .unregisterDisplayListener(mDisplayListener); 667 } 668 669 /** 670 * Initializes the display listener to listen to display changes such as 671 * 180-degree rotation change, which will not have an onConfigurationChanged 672 * callback. 673 */ 674 private void initDisplayListener() { 675 if (ApiHelper.HAS_DISPLAY_LISTENER) { 676 mLastRotation = CameraUtil.getDisplayRotation(mController.getAndroidContext()); 677 678 mDisplayListener = new DisplayManager.DisplayListener() { 679 @Override 680 public void onDisplayAdded(int arg0) { 681 // Do nothing. 682 } 683 684 @Override 685 public void onDisplayChanged(int displayId) { 686 int rotation = CameraUtil.getDisplayRotation( 687 mController.getAndroidContext()); 688 if ((rotation - mLastRotation + 360) % 360 == 180 689 && mPreviewStatusListener != null) { 690 mPreviewStatusListener.onPreviewFlipped(); 691 } 692 mLastRotation = rotation; 693 } 694 695 @Override 696 public void onDisplayRemoved(int arg0) { 697 // Do nothing. 698 } 699 }; 700 701 ((DisplayManager) mController.getAndroidContext() 702 .getSystemService(Context.DISPLAY_SERVICE)) 703 .registerDisplayListener(mDisplayListener, null); 704 } 705 } 706 707 /** 708 * Redirects touch events to appropriate recipient views based on swipe direction. 709 * More specifically, swipe up and swipe down will be handled by the view that handles 710 * mode transition; swipe left will be send to filmstrip; swipe right will be redirected 711 * to mode list in order to bring up mode list. 712 */ 713 private void onSwipeDetected(int swipeState) { 714 if (swipeState == SWIPE_UP || swipeState == SWIPE_DOWN) { 715 // Quick switch between modes. 716 int currentModuleIndex = mController.getCurrentModuleIndex(); 717 final int moduleToTransitionTo = 718 mController.getQuickSwitchToModuleId(currentModuleIndex); 719 if (currentModuleIndex != moduleToTransitionTo) { 720 mAppRootView.redirectTouchEventsTo(mModeTransitionView); 721 722 int shadeColorId = R.color.mode_cover_default_color; 723 int iconRes = CameraUtil.getCameraModeCoverIconResId(moduleToTransitionTo, 724 mController.getAndroidContext()); 725 726 AnimationFinishedListener listener = new AnimationFinishedListener() { 727 @Override 728 public void onAnimationFinished(boolean success) { 729 if (success) { 730 mHideCoverRunnable = new Runnable() { 731 @Override 732 public void run() { 733 mModeTransitionView.startPeepHoleAnimation(); 734 } 735 }; 736 mModeCoverState = COVER_SHOWN; 737 // Go to new module when the previous operation is successful. 738 mController.onModeSelected(moduleToTransitionTo); 739 } 740 } 741 }; 742 if (mSwipeState == SWIPE_UP) { 743 mModeTransitionView.prepareToPullUpShade(shadeColorId, iconRes, listener); 744 } else { 745 mModeTransitionView.prepareToPullDownShade(shadeColorId, iconRes, listener); 746 } 747 } 748 } else if (swipeState == SWIPE_LEFT) { 749 // Pass the touch sequence to filmstrip layout. 750 UsageStatistics.changeScreen(eventprotos.NavigationChange.Mode.FILMSTRIP, 751 eventprotos.CameraEvent.InteractionCause.SWIPE_LEFT); 752 mAppRootView.redirectTouchEventsTo(mFilmstripLayout); 753 } else if (swipeState == SWIPE_RIGHT) { 754 // Pass the touch to mode switcher 755 mAppRootView.redirectTouchEventsTo(mModeListView); 756 } 757 } 758 759 /** 760 * Gets called when activity resumes in preview. 761 */ 762 public void resume() { 763 if (mTextureView == null || mTextureView.getSurfaceTexture() != null) { 764 if (!mIsCaptureIntent) { 765 showShimmyDelayed(); 766 } 767 } else { 768 // Show mode theme cover until preview is ready 769 showModeCoverUntilPreviewReady(); 770 } 771 // Hide action bar first since we are in full screen mode first, and 772 // switch the system UI to lights-out mode. 773 mFilmstripPanel.hide(); 774 } 775 776 /** 777 * A cover view showing the mode theme color and mode icon will be visible on 778 * top of preview until preview is ready (i.e. camera preview is started and 779 * the first frame has been received). 780 */ 781 private void showModeCoverUntilPreviewReady() { 782 int modeId = mController.getCurrentModuleIndex(); 783 int colorId = R.color.mode_cover_default_color;; 784 int iconId = CameraUtil.getCameraModeCoverIconResId(modeId, mController.getAndroidContext()); 785 mModeTransitionView.setupModeCover(colorId, iconId); 786 mHideCoverRunnable = new Runnable() { 787 @Override 788 public void run() { 789 mModeTransitionView.hideModeCover(new AnimationFinishedListener() { 790 @Override 791 public void onAnimationFinished(boolean success) { 792 if (success) { 793 showShimmyDelayed(); 794 } 795 } 796 }); 797 } 798 }; 799 mModeCoverState = COVER_SHOWN; 800 } 801 802 private void showShimmyDelayed() { 803 if (!mIsCaptureIntent) { 804 // Show shimmy in SHIMMY_DELAY_MS 805 mShouldShowShimmy = mController.shouldShowShimmy(); 806 if (mShouldShowShimmy) { 807 mModeListView.startAccordionAnimationWithDelay(SHIMMY_DELAY_MS); 808 } 809 } 810 } 811 812 private void hideModeCover() { 813 if (mHideCoverRunnable != null) { 814 mAppRootView.post(mHideCoverRunnable); 815 mHideCoverRunnable = null; 816 } 817 mModeCoverState = COVER_HIDDEN; 818 if (mCoverHiddenTime < 0) { 819 mCoverHiddenTime = System.currentTimeMillis(); 820 } 821 } 822 823 @Override 824 public void onOpenFullScreen() { 825 if (mShouldShowShimmy) { 826 mController.decrementShimmyPlayTimes(); 827 // Sets should show shimmy flag to false for this session (i.e. until 828 // next onResume) 829 mShouldShowShimmy = false; 830 } 831 } 832 833 @Override 834 public void onModeListOpenProgress(float progress) { 835 progress = 1 - progress; 836 float interpolatedProgress = Gusterpolator.INSTANCE.getInterpolation(progress); 837 mModeOptionsToggle.setAlpha(interpolatedProgress); 838 } 839 840 @Override 841 public void onModeListClosed() { 842 // Make sure the alpha on mode options ellipse is reset when mode drawer 843 // is closed. 844 mModeOptionsToggle.setAlpha(1f); 845 } 846 847 /** 848 * Called when the back key is pressed. 849 * 850 * @return Whether the UI responded to the key event. 851 */ 852 public boolean onBackPressed() { 853 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 854 return mFilmstripLayout.onBackPressed(); 855 } else { 856 return mModeListView.onBackPressed(); 857 } 858 } 859 860 /** 861 * Sets a {@link com.android.camera.ui.PreviewStatusListener} that 862 * listens to SurfaceTexture changes. In addition, listeners are set on 863 * dependent app ui elements. 864 * 865 * @param previewStatusListener the listener that gets notified when SurfaceTexture 866 * changes 867 */ 868 public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) { 869 mPreviewStatusListener = previewStatusListener; 870 if (mPreviewStatusListener != null) { 871 onPreviewListenerChanged(); 872 } 873 } 874 875 /** 876 * When the PreviewStatusListener changes, listeners need to be 877 * set on the following app ui elements: 878 * {@link com.android.camera.ui.PreviewOverlay}, 879 * {@link com.android.camera.ui.BottomBar}, 880 * {@link com.android.camera.ui.IndicatorIconController}. 881 */ 882 private void onPreviewListenerChanged() { 883 // Set a listener for recognizing preview gestures. 884 GestureDetector.OnGestureListener gestureListener 885 = mPreviewStatusListener.getGestureListener(); 886 if (gestureListener != null) { 887 mPreviewOverlay.setGestureListener(gestureListener); 888 } 889 View.OnTouchListener touchListener = mPreviewStatusListener.getTouchListener(); 890 if (touchListener != null) { 891 mPreviewOverlay.setTouchListener(touchListener); 892 } 893 894 mTextureViewHelper.setAutoAdjustTransform( 895 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()); 896 897 if (mPreviewStatusListener.shouldAutoAdjustBottomBar()) { 898 mTextureViewHelper.addPreviewAreaSizeChangedListener(mBottomBar); 899 900 mBottomBar.setAdjustPreviewAreaListener(new BottomBar.AdjustPreviewAreaListener() { 901 @Override 902 public void centerPreviewAreaInRect(RectF rect) { 903 mTextureViewHelper.centerPreviewInRect(rect); 904 } 905 }); 906 } 907 } 908 909 /** 910 * This method should be called in onCameraOpened. It defines CameraAppUI 911 * specific changes that depend on the camera or camera settings. 912 */ 913 public void onChangeCamera() { 914 ModuleController moduleController = mController.getCurrentModuleController(); 915 applyModuleSpecs(moduleController.getHardwareSpec(), moduleController.getBottomBarSpec()); 916 917 if (mIndicatorIconController != null) { 918 // Sync the settings state with the indicator state. 919 mIndicatorIconController.syncIndicators(); 920 } 921 } 922 923 /** 924 * Adds a listener to receive callbacks when preview area size changes. 925 */ 926 public void addPreviewAreaSizeChangedListener( 927 PreviewStatusListener.PreviewAreaSizeChangedListener listener) { 928 mTextureViewHelper.addPreviewAreaSizeChangedListener(listener); 929 } 930 931 /** 932 * Removes a listener that receives callbacks when preview area size changes. 933 */ 934 public void removePreviewAreaSizeChangedListener( 935 PreviewStatusListener.PreviewAreaSizeChangedListener listener) { 936 mTextureViewHelper.removePreviewAreaSizeChangedListener(listener); 937 } 938 939 /** 940 * This inflates generic_module layout, which contains all the shared views across 941 * modules. Then each module inflates their own views in the given view group. For 942 * now, this is called every time switching from a not-yet-refactored module to a 943 * refactored module. In the future, this should only need to be done once per app 944 * start. 945 */ 946 public void prepareModuleUI() { 947 mCameraRootView.removeAllViews(); 948 LayoutInflater inflater = (LayoutInflater) mController.getAndroidContext() 949 .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 950 inflater.inflate(R.layout.generic_module, mCameraRootView, true); 951 952 mModuleUI = (FrameLayout) mCameraRootView.findViewById(R.id.module_layout); 953 mTextureView = (TextureView) mCameraRootView.findViewById(R.id.preview_content); 954 mTextureViewHelper = new TextureViewHelper(mTextureView); 955 mTextureViewHelper.setSurfaceTextureListener(this); 956 mTextureViewHelper.setOnLayoutChangeListener(mPreviewLayoutChangeListener); 957 958 mBottomBar = (BottomBar) mCameraRootView.findViewById(R.id.bottom_bar); 959 int unpressedColor = mController.getAndroidContext().getResources() 960 .getColor(R.color.bottombar_unpressed); 961 setBottomBarColor(unpressedColor); 962 int pressedColor = mController.getAndroidContext().getResources() 963 .getColor(R.color.bottombar_pressed); 964 setBottomBarPressedColor(pressedColor); 965 966 // Auto adjust the bottom bar for every module, so that panorama 967 // and photosphere can get a transparent bottom bar without any extra work. 968 // TODO: add and remove the bottom bar listener in onPreviewListenerChanged, 969 // based on whether the module needs to adjust the size of the bottom bar. 970 mTextureViewHelper.addPreviewAreaSizeChangedListener(mBottomBar); 971 972 mModeOptionsOverlay 973 = (ModeOptionsOverlay) mCameraRootView.findViewById(R.id.mode_options_overlay); 974 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeOptionsOverlay); 975 976 // Sets the visibility of the bottom bar and the mode options. 977 resetBottomControls(mController.getCurrentModuleController(), 978 mController.getCurrentModuleIndex()); 979 980 mGridLines = (GridLines) mCameraRootView.findViewById(R.id.grid_lines); 981 mTextureViewHelper.addPreviewAreaSizeChangedListener(mGridLines); 982 983 mPreviewOverlay = (PreviewOverlay) mCameraRootView.findViewById(R.id.preview_overlay); 984 mPreviewOverlay.setOnTouchListener(new MyTouchListener()); 985 mPreviewOverlay.setOnPreviewTouchedListener(mModeOptionsOverlay); 986 987 mCaptureOverlay = (CaptureAnimationOverlay) 988 mCameraRootView.findViewById(R.id.capture_overlay); 989 mTextureViewHelper.addPreviewAreaSizeChangedListener(mPreviewOverlay); 990 mTextureViewHelper.addPreviewAreaSizeChangedListener(mCaptureOverlay); 991 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeListView); 992 993 if (mIndicatorIconController == null) { 994 mIndicatorIconController = 995 new IndicatorIconController(mController, mAppRootView); 996 } 997 mIndicatorIconController.setListener(mModeOptionsOverlay); 998 999 mController.getButtonManager().load(mCameraRootView); 1000 mController.getButtonManager().setListener(mIndicatorIconController); 1001 mController.getSettingsManager().addListener(mIndicatorIconController); 1002 1003 mModeOptionsToggle = mCameraRootView.findViewById(R.id.mode_options_toggle); 1004 mBottomBar.addOnLayoutChangeListener(mBottomBarLayoutChangeListener); 1005 mFocusOverlay = mCameraRootView.findViewById(R.id.focus_overlay); 1006 } 1007 1008 /** 1009 * Called indirectly from each module in their initialization to get a view group 1010 * to inflate the module specific views in. 1011 * 1012 * @return a view group for modules to attach views to 1013 */ 1014 public FrameLayout getModuleRootView() { 1015 // TODO: Change it to mModuleUI when refactor is done 1016 return mCameraRootView; 1017 } 1018 1019 /** 1020 * Remove all the module specific views. 1021 */ 1022 public void clearModuleUI() { 1023 if (mModuleUI != null) { 1024 mModuleUI.removeAllViews(); 1025 } 1026 mTextureViewHelper.addPreviewAreaSizeChangedListener(null); 1027 1028 mPreviewStatusListener = null; 1029 mPreviewOverlay.reset(); 1030 mFocusOverlay.setVisibility(View.INVISIBLE); 1031 } 1032 1033 /** 1034 * Gets called when preview is ready to start. It sets up one shot preview callback 1035 * in order to receive a callback when the preview frame is available, so that 1036 * the preview cover can be hidden to reveal preview. 1037 * 1038 * An alternative for getting the timing to hide preview cover is through 1039 * {@link CameraAppUI#onSurfaceTextureUpdated(android.graphics.SurfaceTexture)}, 1040 * which is less accurate but therefore is the fallback for modules that manage 1041 * their own preview callbacks (as setting one preview callback will override 1042 * any other installed preview callbacks), or use camera2 API. 1043 */ 1044 public void onPreviewReadyToStart() { 1045 if (mModeCoverState == COVER_SHOWN) { 1046 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_FRAME; 1047 mController.setupOneShotPreviewListener(); 1048 } 1049 } 1050 1051 /** 1052 * Gets called when preview is started. 1053 */ 1054 public void onPreviewStarted() { 1055 if (mModeCoverState == COVER_SHOWN) { 1056 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE; 1057 } 1058 } 1059 1060 /** 1061 * Gets notified when next preview frame comes in. 1062 */ 1063 public void onNewPreviewFrame() { 1064 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1065 hideModeCover(); 1066 mModeCoverState = COVER_HIDDEN; 1067 } 1068 1069 /** 1070 * Gets called when a mode is selected from {@link com.android.camera.ui.ModeListView} 1071 * 1072 * @param modeIndex mode index of the selected mode 1073 */ 1074 @Override 1075 public void onModeSelected(int modeIndex) { 1076 mHideCoverRunnable = new Runnable() { 1077 @Override 1078 public void run() { 1079 mModeListView.startModeSelectionAnimation(); 1080 } 1081 }; 1082 mModeCoverState = COVER_SHOWN; 1083 1084 int lastIndex = mController.getCurrentModuleIndex(); 1085 mController.onModeSelected(modeIndex); 1086 int currentIndex = mController.getCurrentModuleIndex(); 1087 1088 if (lastIndex == currentIndex) { 1089 hideModeCover(); 1090 } 1091 } 1092 1093 @Override 1094 public void onSettingsSelected() { 1095 mController.onSettingsSelected(); 1096 } 1097 1098 @Override 1099 public int getCurrentModeIndex() { 1100 return mController.getCurrentModuleIndex(); 1101 } 1102 1103 /********************** Capture animation **********************/ 1104 /* TODO: This session is subject to UX changes. In addition to the generic 1105 flash animation and post capture animation, consider designating a parameter 1106 for specifying the type of animation, as well as an animation finished listener 1107 so that modules can have more knowledge of the status of the animation. */ 1108 1109 /** 1110 * Starts the filmstrip peek animation. 1111 * 1112 * @param bitmap The bitmap to show. 1113 * @param strong Whether the animation shows more portion of the bitmap or 1114 * not. 1115 */ 1116 public void startPeekAnimation(Bitmap bitmap, boolean strong) { 1117 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 1118 return; 1119 } 1120 mPeekView.startPeekAnimation(bitmap, strong); 1121 } 1122 1123 /** 1124 * Starts the pre-capture animation. 1125 */ 1126 public void startPreCaptureAnimation() { 1127 mCaptureOverlay.startFlashAnimation(); 1128 } 1129 1130 /** 1131 * Cancels the pre-capture animation. 1132 */ 1133 public void cancelPreCaptureAnimation() { 1134 mAnimationManager.cancelAnimations(); 1135 } 1136 1137 /** 1138 * Cancels the post-capture animation. 1139 */ 1140 public void cancelPostCaptureAnimation() { 1141 mAnimationManager.cancelAnimations(); 1142 } 1143 1144 public FilmstripContentPanel getFilmstripContentPanel() { 1145 return mFilmstripPanel; 1146 } 1147 1148 /** 1149 * @return The {@link com.android.camera.app.CameraAppUI.BottomControls} on the 1150 * bottom of the filmstrip. 1151 */ 1152 public BottomControls getFilmstripBottomControls() { 1153 return mFilmstripBottomControls; 1154 } 1155 1156 /** 1157 * @param listener The listener for bottom controls. 1158 */ 1159 public void setFilmstripBottomControlsListener(BottomControls.Listener listener) { 1160 mFilmstripBottomControls.setListener(listener); 1161 } 1162 1163 /***************************SurfaceTexture Api and Listener*********************************/ 1164 1165 /** 1166 * Return the shared surface texture. 1167 */ 1168 public SurfaceTexture getSurfaceTexture() { 1169 return mSurface; 1170 } 1171 1172 /** 1173 * Return the shared {@link android.graphics.SurfaceTexture}'s width. 1174 */ 1175 public int getSurfaceWidth() { 1176 return mSurfaceWidth; 1177 } 1178 1179 /** 1180 * Return the shared {@link android.graphics.SurfaceTexture}'s height. 1181 */ 1182 public int getSurfaceHeight() { 1183 return mSurfaceHeight; 1184 } 1185 1186 @Override 1187 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 1188 mSurface = surface; 1189 mSurfaceWidth = width; 1190 mSurfaceHeight = height; 1191 Log.v(TAG, "SurfaceTexture is available"); 1192 if (mPreviewStatusListener != null) { 1193 mPreviewStatusListener.onSurfaceTextureAvailable(surface, width, height); 1194 } 1195 } 1196 1197 @Override 1198 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 1199 mSurface = surface; 1200 mSurfaceWidth = width; 1201 mSurfaceHeight = height; 1202 if (mPreviewStatusListener != null) { 1203 mPreviewStatusListener.onSurfaceTextureSizeChanged(surface, width, height); 1204 } 1205 } 1206 1207 @Override 1208 public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 1209 mSurface = null; 1210 Log.v(TAG, "SurfaceTexture is destroyed"); 1211 if (mPreviewStatusListener != null) { 1212 return mPreviewStatusListener.onSurfaceTextureDestroyed(surface); 1213 } 1214 return false; 1215 } 1216 1217 @Override 1218 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 1219 mSurface = surface; 1220 if (mModeCoverState == COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE) { 1221 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1222 hideModeCover(); 1223 mModeCoverState = COVER_HIDDEN; 1224 } 1225 if (mPreviewStatusListener != null) { 1226 mPreviewStatusListener.onSurfaceTextureUpdated(surface); 1227 } 1228 } 1229 1230 /****************************Grid lines api ******************************/ 1231 1232 /** 1233 * Show a set of evenly spaced lines over the preview. The number 1234 * of lines horizontally and vertically is determined by 1235 * {@link com.android.camera.ui.GridLines}. 1236 */ 1237 public void showGridLines() { 1238 if (mGridLines != null) { 1239 mGridLines.setVisibility(View.VISIBLE); 1240 } 1241 } 1242 1243 /** 1244 * Hide the set of evenly spaced grid lines overlaying the preview. 1245 */ 1246 public void hideGridLines() { 1247 if (mGridLines != null) { 1248 mGridLines.setVisibility(View.INVISIBLE); 1249 } 1250 } 1251 1252 /** 1253 * Return a callback which shows or hide the preview grid lines 1254 * depending on whether the grid lines setting is set on. 1255 */ 1256 public ButtonManager.ButtonCallback getGridLinesCallback() { 1257 return new ButtonManager.ButtonCallback() { 1258 @Override 1259 public void onStateChanged(int state) { 1260 if (mController.getSettingsManager().areGridLinesOn()) { 1261 showGridLines(); 1262 } else { 1263 hideGridLines(); 1264 } 1265 } 1266 }; 1267 } 1268 1269 /***************************Mode options api *****************************/ 1270 1271 /** 1272 * Set the mode options visible. 1273 */ 1274 public void showModeOptions() { 1275 mModeOptionsOverlay.setVisibility(View.VISIBLE); 1276 } 1277 1278 /** 1279 * Set the mode options invisible. This is necessary for modes 1280 * that don't show a bottom bar for the capture UI. 1281 */ 1282 public void hideModeOptions() { 1283 mModeOptionsOverlay.setVisibility(View.INVISIBLE); 1284 } 1285 1286 /****************************Bottom bar api ******************************/ 1287 1288 /** 1289 * Sets up the bottom bar and mode options with the correct 1290 * shutter button and visibility based on the current module. 1291 */ 1292 public void resetBottomControls(ModuleController module, int moduleIndex) { 1293 if (areBottomControlsUsed(module)) { 1294 setBottomBarShutterIcon(moduleIndex); 1295 } 1296 } 1297 1298 /** 1299 * Show or hide the mode options and bottom bar, based on 1300 * whether the current module is using the bottom bar. Returns 1301 * whether the mode options and bottom bar are used. 1302 */ 1303 private boolean areBottomControlsUsed(ModuleController module) { 1304 if (module.isUsingBottomBar()) { 1305 showBottomBar(); 1306 showModeOptions(); 1307 return true; 1308 } else { 1309 hideBottomBar(); 1310 hideModeOptions(); 1311 return false; 1312 } 1313 } 1314 1315 /** 1316 * Set the bottom bar visible. 1317 */ 1318 public void showBottomBar() { 1319 mBottomBar.setVisibility(View.VISIBLE); 1320 } 1321 1322 /** 1323 * Set the bottom bar invisible. 1324 */ 1325 public void hideBottomBar() { 1326 mBottomBar.setVisibility(View.INVISIBLE); 1327 } 1328 1329 /** 1330 * Sets the color of the bottom bar. 1331 */ 1332 public void setBottomBarColor(int colorId) { 1333 mBottomBar.setBackgroundColor(colorId); 1334 } 1335 1336 /** 1337 * Sets the pressed color of the bottom bar. 1338 */ 1339 public void setBottomBarPressedColor(int colorId) { 1340 mBottomBar.setBackgroundPressedColor(colorId); 1341 } 1342 1343 /** 1344 * Sets the shutter button icon on the bottom bar, based on 1345 * the mode index. 1346 */ 1347 public void setBottomBarShutterIcon(int modeIndex) { 1348 int shutterIconId = CameraUtil.getCameraShutterIconId(modeIndex, 1349 mController.getAndroidContext()); 1350 mBottomBar.setShutterButtonIcon(shutterIconId); 1351 } 1352 1353 public void animateBottomBarToCircle(int shutterIconId) { 1354 mBottomBar.animateToCircle(shutterIconId); 1355 } 1356 1357 public void animateBottomBarToFullSize(int shutterIconId) { 1358 mBottomBar.animateToFullSize(shutterIconId); 1359 } 1360 1361 /** 1362 * Set the visibility of the bottom bar. 1363 */ 1364 // TODO: needed for when panorama is managed by the generic module ui. 1365 public void setBottomBarVisible(boolean visible) { 1366 mBottomBar.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1367 } 1368 1369 /** 1370 * If the bottom bar is visible (hence has been drawn), 1371 * this sets a {@link #ShutterButton.OnShutterButtonListener} 1372 * on the global shutter button, 1373 */ 1374 public void setBottomBarShutterListener( 1375 ShutterButton.OnShutterButtonListener listener) { 1376 ShutterButton shutterButton 1377 = (ShutterButton) mCameraRootView.findViewById(R.id.shutter_button); 1378 if (shutterButton != null) { 1379 shutterButton.setOnShutterButtonListener(listener); 1380 } 1381 } 1382 1383 /** 1384 * Performs a transition to the capture layout of the bottom bar. 1385 */ 1386 public void transitionToCapture() { 1387 ModuleController moduleController = mController.getCurrentModuleController(); 1388 applyModuleSpecs(moduleController.getHardwareSpec(), 1389 moduleController.getBottomBarSpec()); 1390 mBottomBar.transitionToCapture(); 1391 } 1392 1393 /** 1394 * Performs a transition to the global intent layout. 1395 */ 1396 public void transitionToIntentCaptureLayout() { 1397 ModuleController moduleController = mController.getCurrentModuleController(); 1398 applyModuleSpecs(moduleController.getHardwareSpec(), 1399 moduleController.getBottomBarSpec()); 1400 mBottomBar.transitionToIntentCaptureLayout(); 1401 } 1402 1403 /** 1404 * Performs a transition to the global intent review layout. 1405 */ 1406 public void transitionToIntentReviewLayout() { 1407 ModuleController moduleController = mController.getCurrentModuleController(); 1408 applyModuleSpecs(moduleController.getHardwareSpec(), 1409 moduleController.getBottomBarSpec()); 1410 mBottomBar.transitionToIntentReviewLayout(); 1411 } 1412 1413 /** 1414 * Applies a {@link com.android.camera.CameraAppUI.BottomBarUISpec} 1415 * to the bottom bar mode options based on limitations from a 1416 * {@link com.android.camera.hardware.HardwareSpec}. 1417 * 1418 * Options not supported by the hardware are either hidden 1419 * or disabled, depending on the option. 1420 * 1421 * Otherwise, the option is fully enabled and clickable. 1422 */ 1423 public void applyModuleSpecs(final HardwareSpec hardwareSpec, 1424 final BottomBarUISpec bottomBarSpec) { 1425 if (hardwareSpec == null || bottomBarSpec == null) { 1426 return; 1427 } 1428 1429 ButtonManager buttonManager = mController.getButtonManager(); 1430 SettingsManager settingsManager = mController.getSettingsManager(); 1431 1432 /** Standard mode options */ 1433 if (hardwareSpec.isFrontCameraSupported()) { 1434 if (bottomBarSpec.enableCamera) { 1435 buttonManager.enableButton(ButtonManager.BUTTON_CAMERA, 1436 bottomBarSpec.cameraCallback); 1437 } else { 1438 buttonManager.disableButton(ButtonManager.BUTTON_CAMERA); 1439 } 1440 } else { 1441 // Hide camera icon if front camera not available. 1442 buttonManager.hideButton(ButtonManager.BUTTON_CAMERA); 1443 } 1444 1445 boolean flashBackCamera = mController.getSettingsManager().getBoolean( 1446 SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA); 1447 if (bottomBarSpec.hideFlash || !flashBackCamera) { 1448 buttonManager.hideButton(ButtonManager.BUTTON_FLASH); 1449 } else { 1450 if (hardwareSpec.isFlashSupported()) { 1451 if (bottomBarSpec.enableFlash) { 1452 buttonManager.enableButton(ButtonManager.BUTTON_FLASH, bottomBarSpec.flashCallback); 1453 } else if (bottomBarSpec.enableTorchFlash) { 1454 buttonManager.enableButton(ButtonManager.BUTTON_TORCH, bottomBarSpec.flashCallback); 1455 } else { 1456 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1457 } 1458 } else { 1459 // Disable flash icon if not supported by the hardware. 1460 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1461 } 1462 } 1463 1464 if (bottomBarSpec.hideHdr) { 1465 // Force hide hdr or hdr plus icon. 1466 buttonManager.hideButton(ButtonManager.BUTTON_HDRPLUS); 1467 } else { 1468 if (hardwareSpec.isHdrPlusSupported()) { 1469 if (bottomBarSpec.enableHdr && settingsManager.isCameraBackFacing()) { 1470 buttonManager.enableButton(ButtonManager.BUTTON_HDRPLUS, 1471 bottomBarSpec.hdrCallback); 1472 } else { 1473 buttonManager.disableButton(ButtonManager.BUTTON_HDRPLUS); 1474 } 1475 } else if (hardwareSpec.isHdrSupported()) { 1476 if (bottomBarSpec.enableHdr && settingsManager.isCameraBackFacing()) { 1477 buttonManager.enableButton(ButtonManager.BUTTON_HDR, 1478 bottomBarSpec.hdrCallback); 1479 } else { 1480 buttonManager.disableButton(ButtonManager.BUTTON_HDR); 1481 } 1482 } else { 1483 // Hide hdr plus or hdr icon if neither are supported. 1484 buttonManager.hideButton(ButtonManager.BUTTON_HDRPLUS); 1485 } 1486 } 1487 1488 if (bottomBarSpec.hideGridLines) { 1489 // Force hide grid lines icon. 1490 buttonManager.hideButton(ButtonManager.BUTTON_GRID_LINES); 1491 hideGridLines(); 1492 } else { 1493 if (bottomBarSpec.enableGridLines) { 1494 buttonManager.enableButton(ButtonManager.BUTTON_GRID_LINES, 1495 bottomBarSpec.gridLinesCallback != null ? 1496 bottomBarSpec.gridLinesCallback : getGridLinesCallback()); 1497 } else { 1498 buttonManager.disableButton(ButtonManager.BUTTON_GRID_LINES); 1499 hideGridLines(); 1500 } 1501 } 1502 1503 if (bottomBarSpec.enablePanoOrientation 1504 && PhotoSphereHelper.getPanoramaOrientationOptionArrayId() > 0) { 1505 buttonManager.enableButton(ButtonManager.BUTTON_PANO_ORIENTATION, 1506 bottomBarSpec.panoOrientationCallback); 1507 } else { 1508 buttonManager.hideButton(ButtonManager.BUTTON_PANO_ORIENTATION); 1509 } 1510 1511 /** Intent UI */ 1512 if (bottomBarSpec.showCancel) { 1513 buttonManager.enablePushButton(ButtonManager.BUTTON_CANCEL, 1514 bottomBarSpec.cancelCallback); 1515 } 1516 if (bottomBarSpec.showDone) { 1517 buttonManager.enablePushButton(ButtonManager.BUTTON_DONE, 1518 bottomBarSpec.doneCallback); 1519 } 1520 if (bottomBarSpec.showRetake) { 1521 buttonManager.enablePushButton(ButtonManager.BUTTON_RETAKE, 1522 bottomBarSpec.retakeCallback); 1523 } 1524 } 1525} 1526