CameraAppUI.java revision f495ea8ca078fc752b1ed1045ba22817d75e968e
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.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 String 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 mAppRootView.setSwipeEnabled(enabled); 702 mSwipeEnabled = enabled; 703 } 704 705 public void onDestroy() { 706 ((DisplayManager) mController.getAndroidContext() 707 .getSystemService(Context.DISPLAY_SERVICE)) 708 .unregisterDisplayListener(mDisplayListener); 709 } 710 711 /** 712 * Initializes the display listener to listen to display changes such as 713 * 180-degree rotation change, which will not have an onConfigurationChanged 714 * callback. 715 */ 716 private void initDisplayListener() { 717 if (ApiHelper.HAS_DISPLAY_LISTENER) { 718 mLastRotation = CameraUtil.getDisplayRotation(mController.getAndroidContext()); 719 720 mDisplayListener = new DisplayManager.DisplayListener() { 721 @Override 722 public void onDisplayAdded(int arg0) { 723 // Do nothing. 724 } 725 726 @Override 727 public void onDisplayChanged(int displayId) { 728 int rotation = CameraUtil.getDisplayRotation( 729 mController.getAndroidContext()); 730 if ((rotation - mLastRotation + 360) % 360 == 180 731 && mPreviewStatusListener != null) { 732 mPreviewStatusListener.onPreviewFlipped(); 733 } 734 mLastRotation = rotation; 735 } 736 737 @Override 738 public void onDisplayRemoved(int arg0) { 739 // Do nothing. 740 } 741 }; 742 743 ((DisplayManager) mController.getAndroidContext() 744 .getSystemService(Context.DISPLAY_SERVICE)) 745 .registerDisplayListener(mDisplayListener, null); 746 } 747 } 748 749 /** 750 * Redirects touch events to appropriate recipient views based on swipe direction. 751 * More specifically, swipe up and swipe down will be handled by the view that handles 752 * mode transition; swipe left will be send to filmstrip; swipe right will be redirected 753 * to mode list in order to bring up mode list. 754 */ 755 private void onSwipeDetected(int swipeState) { 756 if (swipeState == SWIPE_UP || swipeState == SWIPE_DOWN) { 757 // TODO: Polish quick switch after this release. 758 // Quick switch between modes. 759 int currentModuleIndex = mController.getCurrentModuleIndex(); 760 final int moduleToTransitionTo = 761 mController.getQuickSwitchToModuleId(currentModuleIndex); 762 if (currentModuleIndex != moduleToTransitionTo) { 763 mAppRootView.redirectTouchEventsTo(mModeTransitionView); 764 765 int shadeColorId = R.color.mode_cover_default_color; 766 int iconRes = CameraUtil.getCameraModeCoverIconResId(moduleToTransitionTo, 767 mController.getAndroidContext()); 768 769 AnimationFinishedListener listener = new AnimationFinishedListener() { 770 @Override 771 public void onAnimationFinished(boolean success) { 772 if (success) { 773 mHideCoverRunnable = new Runnable() { 774 @Override 775 public void run() { 776 mModeTransitionView.startPeepHoleAnimation(); 777 } 778 }; 779 mModeCoverState = COVER_SHOWN; 780 // Go to new module when the previous operation is successful. 781 mController.onModeSelected(moduleToTransitionTo); 782 } 783 } 784 }; 785 if (mSwipeState == SWIPE_UP) { 786 mModeTransitionView.prepareToPullUpShade(shadeColorId, iconRes, listener); 787 } else { 788 mModeTransitionView.prepareToPullDownShade(shadeColorId, iconRes, listener); 789 } 790 } 791 } else if (swipeState == SWIPE_LEFT) { 792 // Pass the touch sequence to filmstrip layout. 793 UsageStatistics.changeScreen(eventprotos.NavigationChange.Mode.FILMSTRIP, 794 eventprotos.CameraEvent.InteractionCause.SWIPE_LEFT); 795 mAppRootView.redirectTouchEventsTo(mFilmstripLayout); 796 } else if (swipeState == SWIPE_RIGHT) { 797 // Pass the touch to mode switcher 798 mAppRootView.redirectTouchEventsTo(mModeListView); 799 } 800 } 801 802 /** 803 * Gets called when activity resumes in preview. 804 */ 805 public void resume() { 806 // Show mode theme cover until preview is ready 807 showModeCoverUntilPreviewReady(); 808 809 // Hide action bar first since we are in full screen mode first, and 810 // switch the system UI to lights-out mode. 811 mFilmstripPanel.hide(); 812 } 813 814 /** 815 * A cover view showing the mode theme color and mode icon will be visible on 816 * top of preview until preview is ready (i.e. camera preview is started and 817 * the first frame has been received). 818 */ 819 private void showModeCoverUntilPreviewReady() { 820 int modeId = mController.getCurrentModuleIndex(); 821 int colorId = R.color.mode_cover_default_color;; 822 int iconId = CameraUtil.getCameraModeCoverIconResId(modeId, mController.getAndroidContext()); 823 mModeTransitionView.setupModeCover(colorId, iconId); 824 mHideCoverRunnable = new Runnable() { 825 @Override 826 public void run() { 827 mModeTransitionView.hideModeCover(null); 828 showShimmyDelayed(); 829 } 830 }; 831 mModeCoverState = COVER_SHOWN; 832 } 833 834 private void showShimmyDelayed() { 835 if (!mIsCaptureIntent) { 836 // Show shimmy in SHIMMY_DELAY_MS 837 mModeListView.showModeSwitcherHint(); 838 } 839 } 840 841 private void hideModeCover() { 842 if (mHideCoverRunnable != null) { 843 mAppRootView.post(mHideCoverRunnable); 844 mHideCoverRunnable = null; 845 } 846 mModeCoverState = COVER_HIDDEN; 847 if (mCoverHiddenTime < 0) { 848 mCoverHiddenTime = System.currentTimeMillis(); 849 } 850 } 851 852 /** 853 * Call to stop the preview from being rendered. 854 */ 855 public void pausePreviewRendering() { 856 mTextureView.setVisibility(View.INVISIBLE); 857 } 858 859 /** 860 * Call to begin rendering the preview again. 861 */ 862 public void resumePreviewRendering() { 863 mTextureView.setVisibility(View.VISIBLE); 864 } 865 866 @Override 867 public void onOpenFullScreen() { 868 // Do nothing. 869 } 870 871 @Override 872 public void onModeListOpenProgress(float progress) { 873 progress = 1 - progress; 874 float interpolatedProgress = Gusterpolator.INSTANCE.getInterpolation(progress); 875 mModeOptionsToggle.setAlpha(interpolatedProgress); 876 // Change shutter button alpha linearly based on the mode list open progress: 877 // set the alpha to disabled alpha when list is fully open, to enabled alpha 878 // when the list is fully closed. 879 mShutterButton.setAlpha(progress * ShutterButton.ALPHA_WHEN_ENABLED 880 + (1 - progress) * ShutterButton.ALPHA_WHEN_DISABLED); 881 } 882 883 @Override 884 public void onModeListClosed() { 885 // Make sure the alpha on mode options ellipse is reset when mode drawer 886 // is closed. 887 mModeOptionsToggle.setAlpha(1f); 888 mShutterButton.setAlpha(ShutterButton.ALPHA_WHEN_ENABLED); 889 } 890 891 /** 892 * Called when the back key is pressed. 893 * 894 * @return Whether the UI responded to the key event. 895 */ 896 public boolean onBackPressed() { 897 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 898 return mFilmstripLayout.onBackPressed(); 899 } else { 900 return mModeListView.onBackPressed(); 901 } 902 } 903 904 /** 905 * Sets a {@link com.android.camera.ui.PreviewStatusListener} that 906 * listens to SurfaceTexture changes. In addition, listeners are set on 907 * dependent app ui elements. 908 * 909 * @param previewStatusListener the listener that gets notified when SurfaceTexture 910 * changes 911 */ 912 public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) { 913 mPreviewStatusListener = previewStatusListener; 914 if (mPreviewStatusListener != null) { 915 onPreviewListenerChanged(); 916 } 917 } 918 919 /** 920 * When the PreviewStatusListener changes, listeners need to be 921 * set on the following app ui elements: 922 * {@link com.android.camera.ui.PreviewOverlay}, 923 * {@link com.android.camera.ui.BottomBar}, 924 * {@link com.android.camera.ui.IndicatorIconController}. 925 */ 926 private void onPreviewListenerChanged() { 927 // Set a listener for recognizing preview gestures. 928 GestureDetector.OnGestureListener gestureListener 929 = mPreviewStatusListener.getGestureListener(); 930 if (gestureListener != null) { 931 mPreviewOverlay.setGestureListener(gestureListener); 932 } 933 View.OnTouchListener touchListener = mPreviewStatusListener.getTouchListener(); 934 if (touchListener != null) { 935 mPreviewOverlay.setTouchListener(touchListener); 936 } 937 938 mTextureViewHelper.setAutoAdjustTransform( 939 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()); 940 } 941 942 /** 943 * This method should be called in onCameraOpened. It defines CameraAppUI 944 * specific changes that depend on the camera or camera settings. 945 */ 946 public void onChangeCamera() { 947 ModuleController moduleController = mController.getCurrentModuleController(); 948 applyModuleSpecs(moduleController.getHardwareSpec(), moduleController.getBottomBarSpec()); 949 950 if (mIndicatorIconController != null) { 951 // Sync the settings state with the indicator state. 952 mIndicatorIconController.syncIndicators(); 953 } 954 } 955 956 /** 957 * Adds a listener to receive callbacks when preview area changes. 958 */ 959 public void addPreviewAreaChangedListener( 960 PreviewStatusListener.PreviewAreaChangedListener listener) { 961 mTextureViewHelper.addPreviewAreaSizeChangedListener(listener); 962 } 963 964 /** 965 * Removes a listener that receives callbacks when preview area changes. 966 */ 967 public void removePreviewAreaChangedListener( 968 PreviewStatusListener.PreviewAreaChangedListener listener) { 969 mTextureViewHelper.removePreviewAreaSizeChangedListener(listener); 970 } 971 972 /** 973 * This inflates generic_module layout, which contains all the shared views across 974 * modules. Then each module inflates their own views in the given view group. For 975 * now, this is called every time switching from a not-yet-refactored module to a 976 * refactored module. In the future, this should only need to be done once per app 977 * start. 978 */ 979 public void prepareModuleUI() { 980 mCameraRootView.removeAllViews(); 981 LayoutInflater inflater = (LayoutInflater) mController.getAndroidContext() 982 .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 983 inflater.inflate(R.layout.generic_module, mCameraRootView, true); 984 985 mModuleUI = (FrameLayout) mCameraRootView.findViewById(R.id.module_layout); 986 mTextureView = (TextureView) mCameraRootView.findViewById(R.id.preview_content); 987 mTextureViewHelper = new TextureViewHelper(mTextureView); 988 mTextureViewHelper.setSurfaceTextureListener(this); 989 mTextureViewHelper.setOnLayoutChangeListener(mPreviewLayoutChangeListener); 990 991 mBottomBar = (BottomBar) mCameraRootView.findViewById(R.id.bottom_bar); 992 int unpressedColor = mController.getAndroidContext().getResources() 993 .getColor(R.color.bottombar_unpressed); 994 setBottomBarColor(unpressedColor); 995 int pressedColor = mController.getAndroidContext().getResources() 996 .getColor(R.color.bottombar_pressed); 997 setBottomBarPressedColor(pressedColor); 998 999 mModeOptionsOverlay 1000 = (ModeOptionsOverlay) mCameraRootView.findViewById(R.id.mode_options_overlay); 1001 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeOptionsOverlay); 1002 1003 // Sets the visibility of the bottom bar and the mode options. 1004 resetBottomControls(mController.getCurrentModuleController(), 1005 mController.getCurrentModuleIndex()); 1006 1007 mShutterButton = (ShutterButton) mCameraRootView.findViewById(R.id.shutter_button); 1008 addShutterListener(mController.getCurrentModuleController()); 1009 addShutterListener(mModeOptionsOverlay); 1010 1011 mGridLines = (GridLines) mCameraRootView.findViewById(R.id.grid_lines); 1012 mTextureViewHelper.addPreviewAreaSizeChangedListener(mGridLines); 1013 1014 mPreviewOverlay = (PreviewOverlay) mCameraRootView.findViewById(R.id.preview_overlay); 1015 mPreviewOverlay.setOnTouchListener(new MyTouchListener()); 1016 mPreviewOverlay.setOnPreviewTouchedListener(mModeOptionsOverlay); 1017 1018 mCaptureOverlay = (CaptureAnimationOverlay) 1019 mCameraRootView.findViewById(R.id.capture_overlay); 1020 mTextureViewHelper.addPreviewAreaSizeChangedListener(mPreviewOverlay); 1021 mTextureViewHelper.addPreviewAreaSizeChangedListener(mCaptureOverlay); 1022 mTextureViewHelper.addPreviewAreaSizeChangedListener(mModeListView); 1023 1024 if (mIndicatorIconController == null) { 1025 mIndicatorIconController = 1026 new IndicatorIconController(mController, mAppRootView); 1027 } 1028 mIndicatorIconController.setListener(mModeOptionsOverlay); 1029 1030 mController.getButtonManager().load(mCameraRootView); 1031 mController.getButtonManager().setListener(mIndicatorIconController); 1032 mController.getSettingsManager().addListener(mIndicatorIconController); 1033 1034 mModeOptionsToggle = mCameraRootView.findViewById(R.id.mode_options_toggle); 1035 mBottomBar.addOnLayoutChangeListener(mBottomBarLayoutChangeListener); 1036 mFocusOverlay = mCameraRootView.findViewById(R.id.focus_overlay); 1037 mTutorialsPlaceholder = (FrameLayout) mCameraRootView 1038 .findViewById(R.id.tutorials_placeholder); 1039 1040 mTextureViewHelper.addPreviewAreaSizeChangedListener( 1041 new PreviewStatusListener.PreviewAreaChangedListener() { 1042 @Override 1043 public void onPreviewAreaChanged(RectF previewArea) { 1044 if (mPreviewStatusListener != null && 1045 mPreviewStatusListener.shouldAutoAdjustBottomBar()) { 1046 mBottomBar.onPreviewAreaChanged(previewArea); 1047 } else { 1048 mPeekView.setTranslationX(previewArea.right - mAppRootView.getRight()); 1049 } 1050 } 1051 }); 1052 1053 mBottomBar.setAdjustPreviewAreaListener(new BottomBar.AdjustPreviewAreaListener() { 1054 @Override 1055 public void fitAndCenterPreviewAreaInRect(RectF rect) { 1056 mPeekView.setTranslationX(0f); 1057 if (mPreviewStatusListener != null && 1058 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()) { 1059 mTextureViewHelper.centerPreviewInRect(rect); 1060 } 1061 } 1062 1063 @Override 1064 public void fitAndAlignBottomInRect(RectF rect) { 1065 mPeekView.setTranslationX(0f); 1066 if (mPreviewStatusListener != null && 1067 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()) { 1068 mTextureViewHelper.alignBottomInRect(rect); 1069 } 1070 } 1071 1072 @Override 1073 public void fitAndAlignRightInRect(RectF rect) { 1074 mPeekView.setTranslationX(rect.right - mAppRootView.getRight()); 1075 if (mPreviewStatusListener != null && 1076 mPreviewStatusListener.shouldAutoAdjustTransformMatrixOnLayout()) { 1077 mTextureViewHelper.alignRightInRect(rect); 1078 } 1079 } 1080 }); 1081 } 1082 1083 /** 1084 * Called indirectly from each module in their initialization to get a view group 1085 * to inflate the module specific views in. 1086 * 1087 * @return a view group for modules to attach views to 1088 */ 1089 public FrameLayout getModuleRootView() { 1090 // TODO: Change it to mModuleUI when refactor is done 1091 return mCameraRootView; 1092 } 1093 1094 /** 1095 * Remove all the module specific views. 1096 */ 1097 public void clearModuleUI() { 1098 if (mModuleUI != null) { 1099 mModuleUI.removeAllViews(); 1100 } 1101 removeShutterListener(mController.getCurrentModuleController()); 1102 mTutorialsPlaceholder.removeAllViews(); 1103 1104 mPreviewStatusListener = null; 1105 mPreviewOverlay.reset(); 1106 mFocusOverlay.setVisibility(View.INVISIBLE); 1107 } 1108 1109 /** 1110 * Gets called when preview is ready to start. It sets up one shot preview callback 1111 * in order to receive a callback when the preview frame is available, so that 1112 * the preview cover can be hidden to reveal preview. 1113 * 1114 * An alternative for getting the timing to hide preview cover is through 1115 * {@link CameraAppUI#onSurfaceTextureUpdated(android.graphics.SurfaceTexture)}, 1116 * which is less accurate but therefore is the fallback for modules that manage 1117 * their own preview callbacks (as setting one preview callback will override 1118 * any other installed preview callbacks), or use camera2 API. 1119 */ 1120 public void onPreviewReadyToStart() { 1121 if (mModeCoverState == COVER_SHOWN) { 1122 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_FRAME; 1123 mController.setupOneShotPreviewListener(); 1124 } 1125 } 1126 1127 /** 1128 * Gets called when preview is started. 1129 */ 1130 public void onPreviewStarted() { 1131 if (mModeCoverState == COVER_SHOWN) { 1132 mModeCoverState = COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE; 1133 } 1134 } 1135 1136 /** 1137 * Gets notified when next preview frame comes in. 1138 */ 1139 public void onNewPreviewFrame() { 1140 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1141 hideModeCover(); 1142 mModeCoverState = COVER_HIDDEN; 1143 } 1144 1145 /** 1146 * Gets called when a mode is selected from {@link com.android.camera.ui.ModeListView} 1147 * 1148 * @param modeIndex mode index of the selected mode 1149 */ 1150 @Override 1151 public void onModeSelected(int modeIndex) { 1152 mHideCoverRunnable = new Runnable() { 1153 @Override 1154 public void run() { 1155 mModeListView.startModeSelectionAnimation(); 1156 } 1157 }; 1158 mModeCoverState = COVER_SHOWN; 1159 1160 int lastIndex = mController.getCurrentModuleIndex(); 1161 mController.onModeSelected(modeIndex); 1162 int currentIndex = mController.getCurrentModuleIndex(); 1163 1164 if (lastIndex == currentIndex) { 1165 hideModeCover(); 1166 } 1167 } 1168 1169 @Override 1170 public void onSettingsSelected() { 1171 mController.onSettingsSelected(); 1172 } 1173 1174 @Override 1175 public int getCurrentModeIndex() { 1176 return mController.getCurrentModuleIndex(); 1177 } 1178 1179 /********************** Capture animation **********************/ 1180 /* TODO: This session is subject to UX changes. In addition to the generic 1181 flash animation and post capture animation, consider designating a parameter 1182 for specifying the type of animation, as well as an animation finished listener 1183 so that modules can have more knowledge of the status of the animation. */ 1184 1185 /** 1186 * Starts the filmstrip peek animation. 1187 * 1188 * @param bitmap The bitmap to show. 1189 * @param strong Whether the animation shows more portion of the bitmap or 1190 * not. 1191 */ 1192 public void startPeekAnimation(Bitmap bitmap, boolean strong) { 1193 if (mFilmstripLayout.getVisibility() == View.VISIBLE) { 1194 return; 1195 } 1196 mPeekView.startPeekAnimation(bitmap, strong); 1197 } 1198 1199 /** 1200 * Starts the pre-capture animation. 1201 */ 1202 public void startPreCaptureAnimation() { 1203 mCaptureOverlay.startFlashAnimation(); 1204 } 1205 1206 /** 1207 * Cancels the pre-capture animation. 1208 */ 1209 public void cancelPreCaptureAnimation() { 1210 mAnimationManager.cancelAnimations(); 1211 } 1212 1213 /** 1214 * Cancels the post-capture animation. 1215 */ 1216 public void cancelPostCaptureAnimation() { 1217 mAnimationManager.cancelAnimations(); 1218 } 1219 1220 public FilmstripContentPanel getFilmstripContentPanel() { 1221 return mFilmstripPanel; 1222 } 1223 1224 /** 1225 * @return The {@link com.android.camera.app.CameraAppUI.BottomPanel} on the 1226 * bottom of the filmstrip. 1227 */ 1228 public BottomPanel getFilmstripBottomControls() { 1229 return mFilmstripBottomControls; 1230 } 1231 1232 /** 1233 * @param listener The listener for bottom controls. 1234 */ 1235 public void setFilmstripBottomControlsListener(BottomPanel.Listener listener) { 1236 mFilmstripBottomControls.setListener(listener); 1237 } 1238 1239 /***************************SurfaceTexture Api and Listener*********************************/ 1240 1241 /** 1242 * Return the shared surface texture. 1243 */ 1244 public SurfaceTexture getSurfaceTexture() { 1245 return mSurface; 1246 } 1247 1248 /** 1249 * Return the shared {@link android.graphics.SurfaceTexture}'s width. 1250 */ 1251 public int getSurfaceWidth() { 1252 return mSurfaceWidth; 1253 } 1254 1255 /** 1256 * Return the shared {@link android.graphics.SurfaceTexture}'s height. 1257 */ 1258 public int getSurfaceHeight() { 1259 return mSurfaceHeight; 1260 } 1261 1262 @Override 1263 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 1264 mSurface = surface; 1265 mSurfaceWidth = width; 1266 mSurfaceHeight = height; 1267 Log.v(TAG, "SurfaceTexture is available"); 1268 if (mPreviewStatusListener != null) { 1269 mPreviewStatusListener.onSurfaceTextureAvailable(surface, width, height); 1270 } 1271 } 1272 1273 @Override 1274 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 1275 mSurface = surface; 1276 mSurfaceWidth = width; 1277 mSurfaceHeight = height; 1278 if (mPreviewStatusListener != null) { 1279 mPreviewStatusListener.onSurfaceTextureSizeChanged(surface, width, height); 1280 } 1281 } 1282 1283 @Override 1284 public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 1285 mSurface = null; 1286 Log.v(TAG, "SurfaceTexture is destroyed"); 1287 if (mPreviewStatusListener != null) { 1288 return mPreviewStatusListener.onSurfaceTextureDestroyed(surface); 1289 } 1290 return false; 1291 } 1292 1293 @Override 1294 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 1295 mSurface = surface; 1296 if (mModeCoverState == COVER_WILL_HIDE_AT_NEXT_TEXTURE_UPDATE) { 1297 CameraPerformanceTracker.onEvent(CameraPerformanceTracker.FIRST_PREVIEW_FRAME); 1298 hideModeCover(); 1299 mModeCoverState = COVER_HIDDEN; 1300 } 1301 if (mPreviewStatusListener != null) { 1302 mPreviewStatusListener.onSurfaceTextureUpdated(surface); 1303 } 1304 } 1305 1306 /****************************Grid lines api ******************************/ 1307 1308 /** 1309 * Show a set of evenly spaced lines over the preview. The number 1310 * of lines horizontally and vertically is determined by 1311 * {@link com.android.camera.ui.GridLines}. 1312 */ 1313 public void showGridLines() { 1314 if (mGridLines != null) { 1315 mGridLines.setVisibility(View.VISIBLE); 1316 } 1317 } 1318 1319 /** 1320 * Hide the set of evenly spaced grid lines overlaying the preview. 1321 */ 1322 public void hideGridLines() { 1323 if (mGridLines != null) { 1324 mGridLines.setVisibility(View.INVISIBLE); 1325 } 1326 } 1327 1328 /** 1329 * Return a callback which shows or hide the preview grid lines 1330 * depending on whether the grid lines setting is set on. 1331 */ 1332 public ButtonManager.ButtonCallback getGridLinesCallback() { 1333 return new ButtonManager.ButtonCallback() { 1334 @Override 1335 public void onStateChanged(int state) { 1336 if (mController.getSettingsManager().areGridLinesOn()) { 1337 showGridLines(); 1338 } else { 1339 hideGridLines(); 1340 } 1341 } 1342 }; 1343 } 1344 1345 /***************************Mode options api *****************************/ 1346 1347 /** 1348 * Set the mode options visible. 1349 */ 1350 public void showModeOptions() { 1351 mModeOptionsOverlay.setVisibility(View.VISIBLE); 1352 } 1353 1354 /** 1355 * Set the mode options invisible. This is necessary for modes 1356 * that don't show a bottom bar for the capture UI. 1357 */ 1358 public void hideModeOptions() { 1359 mModeOptionsOverlay.setVisibility(View.INVISIBLE); 1360 } 1361 1362 /****************************Bottom bar api ******************************/ 1363 1364 /** 1365 * Sets up the bottom bar and mode options with the correct 1366 * shutter button and visibility based on the current module. 1367 */ 1368 public void resetBottomControls(ModuleController module, int moduleIndex) { 1369 if (areBottomControlsUsed(module)) { 1370 setBottomBarShutterIcon(moduleIndex); 1371 } 1372 } 1373 1374 /** 1375 * Show or hide the mode options and bottom bar, based on 1376 * whether the current module is using the bottom bar. Returns 1377 * whether the mode options and bottom bar are used. 1378 */ 1379 private boolean areBottomControlsUsed(ModuleController module) { 1380 if (module.isUsingBottomBar()) { 1381 showBottomBar(); 1382 showModeOptions(); 1383 return true; 1384 } else { 1385 hideBottomBar(); 1386 hideModeOptions(); 1387 return false; 1388 } 1389 } 1390 1391 /** 1392 * Set the bottom bar visible. 1393 */ 1394 public void showBottomBar() { 1395 mBottomBar.setVisibility(View.VISIBLE); 1396 } 1397 1398 /** 1399 * Set the bottom bar invisible. 1400 */ 1401 public void hideBottomBar() { 1402 mBottomBar.setVisibility(View.INVISIBLE); 1403 } 1404 1405 /** 1406 * Sets the color of the bottom bar. 1407 */ 1408 public void setBottomBarColor(int colorId) { 1409 mBottomBar.setBackgroundColor(colorId); 1410 } 1411 1412 /** 1413 * Sets the pressed color of the bottom bar. 1414 */ 1415 public void setBottomBarPressedColor(int colorId) { 1416 mBottomBar.setBackgroundPressedColor(colorId); 1417 } 1418 1419 /** 1420 * Sets the shutter button icon on the bottom bar, based on 1421 * the mode index. 1422 */ 1423 public void setBottomBarShutterIcon(int modeIndex) { 1424 int shutterIconId = CameraUtil.getCameraShutterIconId(modeIndex, 1425 mController.getAndroidContext()); 1426 mBottomBar.setShutterButtonIcon(shutterIconId); 1427 } 1428 1429 public void animateBottomBarToVideoStop(int shutterIconId) { 1430 mBottomBar.animateToVideoStop(shutterIconId); 1431 } 1432 1433 public void animateBottomBarToFullSize(int shutterIconId) { 1434 mBottomBar.animateToFullSize(shutterIconId); 1435 } 1436 1437 public void setCaptureButtonEnabled(boolean enabled) { 1438 mBottomBar.setCaptureButtonEnabled(enabled); 1439 } 1440 1441 public void setModeOptionsVisible(boolean visible) { 1442 mModeOptionsOverlay.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1443 } 1444 1445 /** 1446 * Set the visibility of the bottom bar. 1447 */ 1448 // TODO: needed for when panorama is managed by the generic module ui. 1449 public void setBottomBarVisible(boolean visible) { 1450 mBottomBar.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); 1451 } 1452 1453 /** 1454 * Add a {@link #ShutterButton.OnShutterButtonListener} to the shutter button. 1455 */ 1456 public void addShutterListener(ShutterButton.OnShutterButtonListener listener) { 1457 mShutterButton.addOnShutterButtonListener(listener); 1458 } 1459 1460 /** 1461 * Remove a {@link #ShutterButton.OnShutterButtonListener} from the shutter button. 1462 */ 1463 public void removeShutterListener(ShutterButton.OnShutterButtonListener listener) { 1464 mShutterButton.removeOnShutterButtonListener(listener); 1465 } 1466 1467 /** 1468 * Performs a transition to the capture layout of the bottom bar. 1469 */ 1470 public void transitionToCapture() { 1471 ModuleController moduleController = mController.getCurrentModuleController(); 1472 applyModuleSpecs(moduleController.getHardwareSpec(), 1473 moduleController.getBottomBarSpec()); 1474 mBottomBar.transitionToCapture(); 1475 } 1476 1477 /** 1478 * Displays the Cancel button instead of the capture button. 1479 */ 1480 public void transitionToCancel() { 1481 ModuleController moduleController = mController.getCurrentModuleController(); 1482 applyModuleSpecs(moduleController.getHardwareSpec(), 1483 moduleController.getBottomBarSpec()); 1484 mBottomBar.transitionToCancel(); 1485 } 1486 1487 /** 1488 * Performs a transition to the global intent layout. 1489 */ 1490 public void transitionToIntentCaptureLayout() { 1491 ModuleController moduleController = mController.getCurrentModuleController(); 1492 applyModuleSpecs(moduleController.getHardwareSpec(), 1493 moduleController.getBottomBarSpec()); 1494 mBottomBar.transitionToIntentCaptureLayout(); 1495 } 1496 1497 /** 1498 * Performs a transition to the global intent review layout. 1499 */ 1500 public void transitionToIntentReviewLayout() { 1501 ModuleController moduleController = mController.getCurrentModuleController(); 1502 applyModuleSpecs(moduleController.getHardwareSpec(), 1503 moduleController.getBottomBarSpec()); 1504 mBottomBar.transitionToIntentReviewLayout(); 1505 } 1506 1507 /** 1508 * Applies a {@link com.android.camera.CameraAppUI.BottomBarUISpec} 1509 * to the bottom bar mode options based on limitations from a 1510 * {@link com.android.camera.hardware.HardwareSpec}. 1511 * 1512 * Options not supported by the hardware are either hidden 1513 * or disabled, depending on the option. 1514 * 1515 * Otherwise, the option is fully enabled and clickable. 1516 */ 1517 public void applyModuleSpecs(final HardwareSpec hardwareSpec, 1518 final BottomBarUISpec bottomBarSpec) { 1519 if (hardwareSpec == null || bottomBarSpec == null) { 1520 return; 1521 } 1522 1523 ButtonManager buttonManager = mController.getButtonManager(); 1524 SettingsManager settingsManager = mController.getSettingsManager(); 1525 1526 /** Standard mode options */ 1527 if (hardwareSpec.isFrontCameraSupported()) { 1528 if (bottomBarSpec.enableCamera) { 1529 buttonManager.enableButton(ButtonManager.BUTTON_CAMERA, 1530 bottomBarSpec.cameraCallback); 1531 } else { 1532 buttonManager.disableButton(ButtonManager.BUTTON_CAMERA); 1533 } 1534 } else { 1535 // Hide camera icon if front camera not available. 1536 buttonManager.hideButton(ButtonManager.BUTTON_CAMERA); 1537 } 1538 1539 boolean flashBackCamera = mController.getSettingsManager().getBoolean( 1540 SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA); 1541 if (bottomBarSpec.hideFlash || !flashBackCamera) { 1542 buttonManager.hideButton(ButtonManager.BUTTON_FLASH); 1543 } else { 1544 if (hardwareSpec.isFlashSupported()) { 1545 if (bottomBarSpec.enableFlash) { 1546 buttonManager.enableButton(ButtonManager.BUTTON_FLASH, bottomBarSpec.flashCallback); 1547 } else if (bottomBarSpec.enableTorchFlash) { 1548 buttonManager.enableButton(ButtonManager.BUTTON_TORCH, bottomBarSpec.flashCallback); 1549 } else { 1550 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1551 } 1552 } else { 1553 // Disable flash icon if not supported by the hardware. 1554 buttonManager.disableButton(ButtonManager.BUTTON_FLASH); 1555 } 1556 } 1557 1558 if (bottomBarSpec.hideHdr || mIsCaptureIntent) { 1559 // Force hide hdr or hdr plus icon. 1560 buttonManager.hideButton(ButtonManager.BUTTON_HDRPLUS); 1561 } else { 1562 if (hardwareSpec.isHdrPlusSupported()) { 1563 if (bottomBarSpec.enableHdr && settingsManager.isCameraBackFacing()) { 1564 buttonManager.enableButton(ButtonManager.BUTTON_HDRPLUS, 1565 bottomBarSpec.hdrCallback); 1566 } else { 1567 buttonManager.disableButton(ButtonManager.BUTTON_HDRPLUS); 1568 } 1569 } else if (hardwareSpec.isHdrSupported()) { 1570 if (bottomBarSpec.enableHdr && settingsManager.isCameraBackFacing()) { 1571 buttonManager.enableButton(ButtonManager.BUTTON_HDR, 1572 bottomBarSpec.hdrCallback); 1573 } else { 1574 buttonManager.disableButton(ButtonManager.BUTTON_HDR); 1575 } 1576 } else { 1577 // Hide hdr plus or hdr icon if neither are supported. 1578 buttonManager.hideButton(ButtonManager.BUTTON_HDRPLUS); 1579 } 1580 } 1581 1582 if (bottomBarSpec.hideGridLines) { 1583 // Force hide grid lines icon. 1584 buttonManager.hideButton(ButtonManager.BUTTON_GRID_LINES); 1585 hideGridLines(); 1586 } else { 1587 if (bottomBarSpec.enableGridLines) { 1588 buttonManager.enableButton(ButtonManager.BUTTON_GRID_LINES, 1589 bottomBarSpec.gridLinesCallback != null ? 1590 bottomBarSpec.gridLinesCallback : getGridLinesCallback()); 1591 } else { 1592 buttonManager.disableButton(ButtonManager.BUTTON_GRID_LINES); 1593 hideGridLines(); 1594 } 1595 } 1596 1597 if (bottomBarSpec.enablePanoOrientation 1598 && PhotoSphereHelper.getPanoramaOrientationOptionArrayId() > 0) { 1599 buttonManager.enableButton(ButtonManager.BUTTON_PANO_ORIENTATION, 1600 bottomBarSpec.panoOrientationCallback); 1601 } else { 1602 buttonManager.hideButton(ButtonManager.BUTTON_PANO_ORIENTATION); 1603 } 1604 1605 /** Intent UI */ 1606 if (bottomBarSpec.showCancel) { 1607 buttonManager.enablePushButton(ButtonManager.BUTTON_CANCEL, 1608 bottomBarSpec.cancelCallback); 1609 } 1610 if (bottomBarSpec.showDone) { 1611 buttonManager.enablePushButton(ButtonManager.BUTTON_DONE, 1612 bottomBarSpec.doneCallback); 1613 } 1614 if (bottomBarSpec.showRetake) { 1615 buttonManager.enablePushButton(ButtonManager.BUTTON_RETAKE, 1616 bottomBarSpec.retakeCallback); 1617 } 1618 if (bottomBarSpec.showReview) { 1619 buttonManager.enablePushButton(ButtonManager.BUTTON_REVIEW, 1620 bottomBarSpec.reviewCallback, 1621 R.drawable.ic_play); 1622 } 1623 } 1624 1625 /** 1626 * Shows the given tutorial on the screen. 1627 */ 1628 public void showTutorial(AbstractTutorialOverlay tutorial, LayoutInflater inflater) { 1629 tutorial.show(mTutorialsPlaceholder, inflater); 1630 } 1631 1632 /***************************Filmstrip api *****************************/ 1633 1634 public void showFilmstrip() { 1635 mFilmstripLayout.showFilmstrip(); 1636 } 1637 1638 public void hideFilmstrip() { 1639 mFilmstripLayout.hideFilmstrip(); 1640 } 1641} 1642