| 1 | // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | package org.chromium.android_webview.test; |
| 6 | |
| 7 | import android.content.Context; |
| 8 | import android.graphics.Rect; |
| 9 | import android.test.InstrumentationTestCase; |
| 10 | import android.test.suitebuilder.annotation.SmallTest; |
| 11 | import android.view.View.MeasureSpec; |
| 12 | import android.view.View; |
| 13 | import android.widget.OverScroller; |
| 14 | |
| 15 | import org.chromium.android_webview.AwScrollOffsetManager; |
| 16 | import org.chromium.base.test.util.Feature; |
| 17 | |
| 18 | public class AwScrollOffsetManagerTest extends InstrumentationTestCase { |
| 19 | private static class TestScrollOffsetManagerDelegate implements AwScrollOffsetManager.Delegate { |
| 20 | private int mOverScrollDeltaX; |
| 21 | private int mOverScrollDeltaY; |
| 22 | private int mOverScrollCallCount; |
| 23 | private int mScrollX; |
| 24 | private int mScrollY; |
| 25 | private int mNativeScrollX; |
| 26 | private int mNativeScrollY; |
| 27 | private int mInvalidateCount; |
| 28 | |
| 29 | public int getOverScrollDeltaX() { |
| 30 | return mOverScrollDeltaX; |
| 31 | } |
| 32 | |
| 33 | public int getOverScrollDeltaY() { |
| 34 | return mOverScrollDeltaY; |
| 35 | } |
| 36 | |
| 37 | public int getOverScrollCallCount() { |
| 38 | return mOverScrollCallCount; |
| 39 | } |
| 40 | |
| 41 | public int getScrollX() { |
| 42 | return mScrollX; |
| 43 | } |
| 44 | |
| 45 | public int getScrollY() { |
| 46 | return mScrollY; |
| 47 | } |
| 48 | |
| 49 | public int getNativeScrollX() { |
| 50 | return mNativeScrollX; |
| 51 | } |
| 52 | |
| 53 | public int getNativeScrollY() { |
| 54 | return mNativeScrollY; |
| 55 | } |
| 56 | |
| 57 | public int getInvalidateCount() { |
| 58 | return mInvalidateCount; |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public void overScrollContainerViewBy(int deltaX, int deltaY, int scrollX, int scrollY, |
| 63 | int scrollRangeX, int scrollRangeY, boolean isTouchEvent) { |
| 64 | mOverScrollDeltaX = deltaX; |
| 65 | mOverScrollDeltaY = deltaY; |
| 66 | mOverScrollCallCount += 1; |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public void scrollContainerViewTo(int x, int y) { |
| 71 | mScrollX = x; |
| 72 | mScrollY = y; |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public void scrollNativeTo(int x, int y) { |
| 77 | mNativeScrollX = x; |
| 78 | mNativeScrollY = y; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public int getContainerViewScrollX() { |
| 83 | return mScrollX; |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public int getContainerViewScrollY() { |
| 88 | return mScrollY; |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public void invalidate() { |
| 93 | mInvalidateCount += 1; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | private void simulateScrolling(AwScrollOffsetManager offsetManager, |
| 98 | TestScrollOffsetManagerDelegate delegate, int scrollX, int scrollY) { |
| 99 | // Scrolling is a two-phase action. First we ask the manager to scroll |
| 100 | int callCount = delegate.getOverScrollCallCount(); |
| 101 | offsetManager.scrollContainerViewTo(scrollX, scrollY); |
| 102 | // The manager then asks the delegate to overscroll the view. |
| 103 | assertEquals(callCount + 1, delegate.getOverScrollCallCount()); |
| 104 | assertEquals(scrollX, delegate.getOverScrollDeltaX() + delegate.getScrollX()); |
| 105 | assertEquals(scrollY, delegate.getOverScrollDeltaY() + delegate.getScrollY()); |
| 106 | // As a response to that the menager expects the view to call back with the new scroll. |
| 107 | offsetManager.onContainerViewOverScrolled(scrollX, scrollY, false, false); |
| 108 | } |
| 109 | |
| 110 | private void simlateOverScrollPropagation(AwScrollOffsetManager offsetManager, |
| 111 | TestScrollOffsetManagerDelegate delegate) { |
| 112 | assertTrue(delegate.getOverScrollCallCount() > 0); |
| 113 | |
| 114 | offsetManager.onContainerViewOverScrolled( |
| 115 | delegate.getOverScrollDeltaX() + delegate.getScrollX(), |
| 116 | delegate.getOverScrollDeltaY() + delegate.getScrollY(), false, false); |
| 117 | } |
| 118 | |
| 119 | @SmallTest |
| 120 | @Feature({"AndroidWebView"}) |
| 121 | public void testWhenContentSizeMatchesView() { |
| 122 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 123 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 124 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 125 | |
| 126 | final int width = 132; |
| 127 | final int height = 212; |
| 128 | final int scrollX = 11; |
| 129 | final int scrollY = 13; |
| 130 | |
| 131 | offsetManager.setContentSize(width, height); |
| 132 | offsetManager.setContainerViewSize(width, height); |
| 133 | |
| 134 | assertEquals(width, offsetManager.computeHorizontalScrollRange()); |
| 135 | assertEquals(height, offsetManager.computeVerticalScrollRange()); |
| 136 | |
| 137 | // Since the view size and contents size are equal no scrolling should be possible. |
| 138 | assertEquals(0, offsetManager.computeMaximumHorizontalScrollOffset()); |
| 139 | assertEquals(0, offsetManager.computeMaximumVerticalScrollOffset()); |
| 140 | |
| 141 | // Scrolling should generate overscroll but not update the scroll offset. |
| 142 | simulateScrolling(offsetManager, delegate, scrollX, scrollY); |
| 143 | assertEquals(scrollX, delegate.getOverScrollDeltaX()); |
| 144 | assertEquals(scrollY, delegate.getOverScrollDeltaY()); |
| 145 | assertEquals(0, delegate.getScrollX()); |
| 146 | assertEquals(0, delegate.getScrollY()); |
| 147 | assertEquals(0, delegate.getNativeScrollX()); |
| 148 | assertEquals(0, delegate.getNativeScrollY()); |
| 149 | |
| 150 | // Scrolling to 0,0 should result in no deltas. |
| 151 | simulateScrolling(offsetManager, delegate, 0, 0); |
| 152 | assertEquals(0, delegate.getOverScrollDeltaX()); |
| 153 | assertEquals(0, delegate.getOverScrollDeltaY()); |
| 154 | |
| 155 | // Negative scrolling should result in negative deltas but no scroll offset update. |
| 156 | simulateScrolling(offsetManager, delegate, -scrollX, -scrollY); |
| 157 | assertEquals(-scrollX, delegate.getOverScrollDeltaX()); |
| 158 | assertEquals(-scrollY, delegate.getOverScrollDeltaY()); |
| 159 | assertEquals(0, delegate.getScrollX()); |
| 160 | assertEquals(0, delegate.getScrollY()); |
| 161 | assertEquals(0, delegate.getNativeScrollX()); |
| 162 | assertEquals(0, delegate.getNativeScrollY()); |
| 163 | } |
| 164 | |
| 165 | private static final int VIEW_WIDTH = 211; |
| 166 | private static final int VIEW_HEIGHT = 312; |
| 167 | private static final int MAX_HORIZONTAL_OFFSET = 757; |
| 168 | private static final int MAX_VERTICAL_OFFSET = 127; |
| 169 | private static final int CONTENT_WIDTH = VIEW_WIDTH + MAX_HORIZONTAL_OFFSET; |
| 170 | private static final int CONTENT_HEIGHT = VIEW_HEIGHT + MAX_VERTICAL_OFFSET; |
| 171 | |
| 172 | @SmallTest |
| 173 | @Feature({"AndroidWebView"}) |
| 174 | public void testScrollRangeAndMaxOffset() { |
| 175 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 176 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 177 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 178 | |
| 179 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 180 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 181 | |
| 182 | assertEquals(CONTENT_WIDTH, offsetManager.computeHorizontalScrollRange()); |
| 183 | assertEquals(CONTENT_HEIGHT, offsetManager.computeVerticalScrollRange()); |
| 184 | |
| 185 | assertEquals(MAX_HORIZONTAL_OFFSET, offsetManager.computeMaximumHorizontalScrollOffset()); |
| 186 | assertEquals(MAX_VERTICAL_OFFSET, offsetManager.computeMaximumVerticalScrollOffset()); |
| 187 | |
| 188 | // Scrolling beyond the maximum should be clamped. |
| 189 | final int scrollX = MAX_HORIZONTAL_OFFSET + 10; |
| 190 | final int scrollY = MAX_VERTICAL_OFFSET + 11; |
| 191 | |
| 192 | simulateScrolling(offsetManager, delegate, scrollX, scrollY); |
| 193 | assertEquals(scrollX, delegate.getOverScrollDeltaX()); |
| 194 | assertEquals(scrollY, delegate.getOverScrollDeltaY()); |
| 195 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getScrollX()); |
| 196 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getScrollY()); |
| 197 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getNativeScrollX()); |
| 198 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getNativeScrollY()); |
| 199 | |
| 200 | // Scrolling to negative coordinates should be clamped back to 0,0. |
| 201 | simulateScrolling(offsetManager, delegate, -scrollX, -scrollY); |
| 202 | assertEquals(0, delegate.getScrollX()); |
| 203 | assertEquals(0, delegate.getScrollY()); |
| 204 | assertEquals(0, delegate.getNativeScrollX()); |
| 205 | assertEquals(0, delegate.getNativeScrollY()); |
| 206 | |
| 207 | // The onScrollChanged method is callable by third party code and should also be clamped |
| 208 | offsetManager.onContainerViewScrollChanged(scrollX, scrollY); |
| 209 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getNativeScrollX()); |
| 210 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getNativeScrollY()); |
| 211 | |
| 212 | offsetManager.onContainerViewScrollChanged(-scrollX, -scrollY); |
| 213 | assertEquals(0, delegate.getNativeScrollX()); |
| 214 | assertEquals(0, delegate.getNativeScrollY()); |
| 215 | } |
| 216 | |
| 217 | @SmallTest |
| 218 | @Feature({"AndroidWebView"}) |
| 219 | public void testDelegateCanOverrideScroll() { |
| 220 | final int overrideScrollX = 10; |
| 221 | final int overrideScrollY = 10; |
| 222 | |
| 223 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate() { |
| 224 | @Override |
| 225 | public int getContainerViewScrollX() { |
| 226 | return overrideScrollX; |
| 227 | } |
| 228 | |
| 229 | @Override |
| 230 | public int getContainerViewScrollY() { |
| 231 | return overrideScrollY; |
| 232 | } |
| 233 | }; |
| 234 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 235 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 236 | |
| 237 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 238 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 239 | |
| 240 | offsetManager.onContainerViewOverScrolled(0, 0, false, false); |
| 241 | assertEquals(overrideScrollX, delegate.getNativeScrollX()); |
| 242 | assertEquals(overrideScrollY, delegate.getNativeScrollY()); |
| 243 | } |
| 244 | |
| 245 | @SmallTest |
| 246 | @Feature({"AndroidWebView"}) |
| 247 | public void testDelegateOverridenScrollsDontExceedBounds() { |
| 248 | final int overrideScrollX = MAX_HORIZONTAL_OFFSET + 10; |
| 249 | final int overrideScrollY = MAX_VERTICAL_OFFSET + 20; |
| 250 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate() { |
| 251 | @Override |
| 252 | public int getContainerViewScrollX() { |
| 253 | return overrideScrollX; |
| 254 | } |
| 255 | |
| 256 | @Override |
| 257 | public int getContainerViewScrollY() { |
| 258 | return overrideScrollY; |
| 259 | } |
| 260 | }; |
| 261 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 262 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 263 | |
| 264 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 265 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 266 | |
| 267 | offsetManager.onContainerViewOverScrolled(0, 0, false, false); |
| 268 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getNativeScrollX()); |
| 269 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getNativeScrollY()); |
| 270 | } |
| 271 | |
| 272 | @SmallTest |
| 273 | @Feature({"AndroidWebView"}) |
| 274 | public void testScrollContainerViewTo() { |
| 275 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 276 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 277 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 278 | |
| 279 | final int scrollX = 31; |
| 280 | final int scrollY = 41; |
| 281 | |
| 282 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 283 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 284 | |
| 285 | assertEquals(0, delegate.getOverScrollDeltaX()); |
| 286 | assertEquals(0, delegate.getOverScrollDeltaY()); |
| 287 | int callCount = delegate.getOverScrollCallCount(); |
| 288 | |
| 289 | offsetManager.scrollContainerViewTo(scrollX, scrollY); |
| 290 | assertEquals(callCount + 1, delegate.getOverScrollCallCount()); |
| 291 | assertEquals(scrollX, delegate.getOverScrollDeltaX()); |
| 292 | assertEquals(scrollY, delegate.getOverScrollDeltaY()); |
| 293 | } |
| 294 | |
| 295 | @SmallTest |
| 296 | @Feature({"AndroidWebView"}) |
| 297 | public void testOnContainerViewOverScrolled() { |
| 298 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 299 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 300 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 301 | |
| 302 | final int scrollX = 31; |
| 303 | final int scrollY = 41; |
| 304 | |
| 305 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 306 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 307 | |
| 308 | assertEquals(0, delegate.getScrollX()); |
| 309 | assertEquals(0, delegate.getScrollY()); |
| 310 | assertEquals(0, delegate.getNativeScrollX()); |
| 311 | assertEquals(0, delegate.getNativeScrollY()); |
| 312 | |
| 313 | offsetManager.onContainerViewOverScrolled(scrollX, scrollY, false, false); |
| 314 | assertEquals(scrollX, delegate.getScrollX()); |
| 315 | assertEquals(scrollY, delegate.getScrollY()); |
| 316 | assertEquals(scrollX, delegate.getNativeScrollX()); |
| 317 | assertEquals(scrollY, delegate.getNativeScrollY()); |
| 318 | } |
| 319 | |
| 320 | @SmallTest |
| 321 | @Feature({"AndroidWebView"}) |
| 322 | public void testDefersScrollUntilTouchEnd() { |
| 323 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 324 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 325 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 326 | |
| 327 | final int scrollX = 31; |
| 328 | final int scrollY = 41; |
| 329 | |
| 330 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 331 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 332 | |
| 333 | offsetManager.setProcessingTouchEvent(true); |
| 334 | offsetManager.onContainerViewOverScrolled(scrollX, scrollY, false, false); |
| 335 | assertEquals(scrollX, delegate.getScrollX()); |
| 336 | assertEquals(scrollY, delegate.getScrollY()); |
| 337 | assertEquals(0, delegate.getNativeScrollX()); |
| 338 | assertEquals(0, delegate.getNativeScrollY()); |
| 339 | |
| 340 | offsetManager.setProcessingTouchEvent(false); |
| 341 | assertEquals(scrollX, delegate.getScrollX()); |
| 342 | assertEquals(scrollY, delegate.getScrollY()); |
| 343 | assertEquals(scrollX, delegate.getNativeScrollX()); |
| 344 | assertEquals(scrollY, delegate.getNativeScrollY()); |
| 345 | } |
| 346 | |
| 347 | @SmallTest |
| 348 | @Feature({"AndroidWebView"}) |
| 349 | public void testFlingScroll() { |
| 350 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 351 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 352 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 353 | |
| 354 | offsetManager.flingScroll(0, 101); |
| 355 | assertTrue(!scroller.isFinished()); |
| 356 | assertTrue(delegate.getInvalidateCount() == 1); |
| 357 | assertEquals(101, (int) scroller.getCurrVelocity()); |
| 358 | |
| 359 | offsetManager.flingScroll(111, 0); |
| 360 | assertTrue(!scroller.isFinished()); |
| 361 | assertTrue(delegate.getInvalidateCount() == 2); |
| 362 | assertEquals(111, (int) scroller.getCurrVelocity()); |
| 363 | } |
| 364 | |
| 365 | @SmallTest |
| 366 | @Feature({"AndroidWebView"}) |
| 367 | public void testRequestChildRectangleOnScreenDontScrollIfAlreadyThere() { |
| 368 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 369 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 370 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 371 | |
| 372 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 373 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 374 | |
| 375 | offsetManager.requestChildRectangleOnScreen(0, 0, |
| 376 | new Rect(0, 0, VIEW_WIDTH / 4, VIEW_HEIGHT / 4), true); |
| 377 | assertEquals(0, delegate.getOverScrollDeltaX()); |
| 378 | assertEquals(0, delegate.getOverScrollDeltaY()); |
| 379 | assertEquals(0, delegate.getScrollX()); |
| 380 | assertEquals(0, delegate.getScrollY()); |
| 381 | |
| 382 | offsetManager.requestChildRectangleOnScreen(3 * VIEW_WIDTH / 4, 3 * VIEW_HEIGHT / 4, |
| 383 | new Rect(0, 0, VIEW_WIDTH / 4, VIEW_HEIGHT / 4), true); |
| 384 | assertEquals(0, delegate.getOverScrollDeltaX()); |
| 385 | assertEquals(0, delegate.getOverScrollDeltaY()); |
| 386 | assertEquals(0, delegate.getScrollX()); |
| 387 | assertEquals(0, delegate.getScrollY()); |
| 388 | } |
| 389 | |
| 390 | @SmallTest |
| 391 | @Feature({"AndroidWebView"}) |
| 392 | public void testRequestChildRectangleOnScreenScrollToBottom() { |
| 393 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 394 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 395 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 396 | |
| 397 | final int rectWidth = 2; |
| 398 | final int rectHeight = 3; |
| 399 | |
| 400 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 401 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 402 | |
| 403 | offsetManager.requestChildRectangleOnScreen(CONTENT_WIDTH - rectWidth, |
| 404 | CONTENT_HEIGHT - rectHeight, new Rect(0, 0, rectWidth, rectHeight), true); |
| 405 | simlateOverScrollPropagation(offsetManager, delegate); |
| 406 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getOverScrollDeltaX()); |
| 407 | assertEquals(CONTENT_HEIGHT - rectHeight - VIEW_HEIGHT / 3, delegate.getOverScrollDeltaY()); |
| 408 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getScrollX()); |
| 409 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getScrollY()); |
| 410 | } |
| 411 | |
| 412 | @SmallTest |
| 413 | @Feature({"AndroidWebView"}) |
| 414 | public void testRequestChildRectangleOnScreenScrollToBottomLargeRect() { |
| 415 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 416 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 417 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 418 | |
| 419 | final int rectWidth = VIEW_WIDTH; |
| 420 | final int rectHeight = VIEW_HEIGHT; |
| 421 | |
| 422 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 423 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 424 | |
| 425 | offsetManager.requestChildRectangleOnScreen(CONTENT_WIDTH - rectWidth, |
| 426 | CONTENT_HEIGHT - rectHeight, new Rect(0, 0, rectWidth, rectHeight), true); |
| 427 | simlateOverScrollPropagation(offsetManager, delegate); |
| 428 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getOverScrollDeltaX()); |
| 429 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getOverScrollDeltaY()); |
| 430 | assertEquals(MAX_HORIZONTAL_OFFSET, delegate.getScrollX()); |
| 431 | assertEquals(MAX_VERTICAL_OFFSET, delegate.getScrollY()); |
| 432 | } |
| 433 | |
| 434 | @SmallTest |
| 435 | @Feature({"AndroidWebView"}) |
| 436 | public void testRequestChildRectangleOnScreenScrollToTop() { |
| 437 | TestScrollOffsetManagerDelegate delegate = new TestScrollOffsetManagerDelegate(); |
| 438 | OverScroller scroller = new OverScroller(getInstrumentation().getContext()); |
| 439 | AwScrollOffsetManager offsetManager = new AwScrollOffsetManager(delegate, scroller); |
| 440 | |
| 441 | final int rectWidth = 2; |
| 442 | final int rectHeight = 3; |
| 443 | |
| 444 | offsetManager.setContentSize(CONTENT_WIDTH, CONTENT_HEIGHT); |
| 445 | offsetManager.setContainerViewSize(VIEW_WIDTH, VIEW_HEIGHT); |
| 446 | simulateScrolling(offsetManager, delegate, |
| 447 | CONTENT_WIDTH - VIEW_WIDTH, CONTENT_HEIGHT - VIEW_HEIGHT); |
| 448 | |
| 449 | offsetManager.requestChildRectangleOnScreen(0, 0, |
| 450 | new Rect(0, 0, rectWidth, rectHeight), true); |
| 451 | simlateOverScrollPropagation(offsetManager, delegate); |
| 452 | assertEquals(-CONTENT_WIDTH + VIEW_WIDTH, delegate.getOverScrollDeltaX()); |
| 453 | assertEquals(-CONTENT_HEIGHT + VIEW_HEIGHT, delegate.getOverScrollDeltaY()); |
| 454 | assertEquals(0, delegate.getScrollX()); |
| 455 | assertEquals(0, delegate.getScrollX()); |
| 456 | } |
| 457 | } |