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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "bindings/core/v8/ScriptController.h" | 5 #include "bindings/core/v8/ScriptController.h" |
6 #include "core/dom/Document.h" | 6 #include "core/dom/Document.h" |
7 #include "core/dom/Element.h" | 7 #include "core/dom/Element.h" |
8 #include "core/frame/FrameView.h" | 8 #include "core/frame/FrameView.h" |
9 #include "core/frame/LocalFrame.h" | 9 #include "core/frame/LocalFrame.h" |
10 #include "core/html/HTMLIFrameElement.h" | 10 #include "core/html/HTMLIFrameElement.h" |
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444 FrameTestHelpers::loadFrame(localFrame, baseURL.utf8() + "simple_div.html"); | 444 FrameTestHelpers::loadFrame(localFrame, baseURL.utf8() + "simple_div.html"); |
445 | 445 |
446 FrameView* frameView = toWebLocalFrameImpl(localFrame)->frameView(); | 446 FrameView* frameView = toWebLocalFrameImpl(localFrame)->frameView(); |
447 EXPECT_TRUE(frameView->frame().isLocalRoot()); | 447 EXPECT_TRUE(frameView->frame().isLocalRoot()); |
448 | 448 |
449 // Enable throttling for the child frame. | 449 // Enable throttling for the child frame. |
450 frameView->setFrameRect(IntRect(0, 480, frameView->width(), frameView->heigh
t())); | 450 frameView->setFrameRect(IntRect(0, 480, frameView->width(), frameView->heigh
t())); |
451 frameView->frame().securityContext()->setSecurityOrigin(SecurityOrigin::crea
teUnique()); | 451 frameView->frame().securityContext()->setSecurityOrigin(SecurityOrigin::crea
teUnique()); |
452 frameView->updateAllLifecyclePhases(); | 452 frameView->updateAllLifecyclePhases(); |
453 testing::runPendingTasks(); | 453 testing::runPendingTasks(); |
454 EXPECT_TRUE(frameView->canThrottleRendering()); | 454 // TODO(skyostil): Intersection observers don't work for remote frames (crbu
g.com/615156). |
| 455 EXPECT_FALSE(frameView->canThrottleRendering()); |
455 | 456 |
456 Document* frameDocument = frameView->frame().document(); | 457 Document* frameDocument = frameView->frame().document(); |
457 EXPECT_EQ(DocumentLifecycle::PaintClean, frameDocument->lifecycle().state())
; | 458 EXPECT_EQ(DocumentLifecycle::PaintClean, frameDocument->lifecycle().state())
; |
458 | 459 |
459 // Mutate the local child frame contents. | 460 // Mutate the local child frame contents. |
460 auto* divElement = frameDocument->getElementById("div"); | 461 auto* divElement = frameDocument->getElementById("div"); |
461 divElement->setAttribute(styleAttr, "width: 50px"); | 462 divElement->setAttribute(styleAttr, "width: 50px"); |
462 EXPECT_EQ(DocumentLifecycle::VisualUpdatePending, frameDocument->lifecycle()
.state()); | 463 EXPECT_EQ(DocumentLifecycle::VisualUpdatePending, frameDocument->lifecycle()
.state()); |
463 | 464 |
464 // Update the lifecycle again. The frame's lifecycle should not advance | 465 // Update the lifecycle again. The frame's lifecycle should not advance |
465 // because of throttling even though it is the local root. | 466 // because of throttling even though it is the local root. |
| 467 // TODO(skyostil): Intersection observers don't work for remote frames (crbu
g.com/615156). |
466 DocumentLifecycle::AllowThrottlingScope throttlingScope(frameDocument->lifec
ycle()); | 468 DocumentLifecycle::AllowThrottlingScope throttlingScope(frameDocument->lifec
ycle()); |
467 frameView->updateAllLifecyclePhases(); | 469 frameView->updateAllLifecyclePhases(); |
468 testing::runPendingTasks(); | 470 testing::runPendingTasks(); |
469 EXPECT_EQ(DocumentLifecycle::VisualUpdatePending, frameDocument->lifecycle()
.state()); | 471 EXPECT_EQ(DocumentLifecycle::PaintClean, frameDocument->lifecycle().state())
; |
470 webView->close(); | 472 webView->close(); |
471 } | 473 } |
472 | 474 |
473 TEST_F(FrameThrottlingTest, ScrollingCoordinatorShouldSkipThrottledFrame) | 475 TEST_F(FrameThrottlingTest, ScrollingCoordinatorShouldSkipThrottledFrame) |
474 { | 476 { |
475 webView().settings()->setAcceleratedCompositingEnabled(true); | 477 webView().settings()->setAcceleratedCompositingEnabled(true); |
476 | 478 |
477 // Create a hidden frame which is throttled. | 479 // Create a hidden frame which is throttled. |
478 SimRequest mainResource("https://example.com/", "text/html"); | 480 SimRequest mainResource("https://example.com/", "text/html"); |
479 SimRequest frameResource("https://example.com/iframe.html", "text/html"); | 481 SimRequest frameResource("https://example.com/iframe.html", "text/html"); |
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762 auto* childFrameElement = toHTMLIFrameElement(frameElement->contentDocument(
)->getElementById("child-frame")); | 764 auto* childFrameElement = toHTMLIFrameElement(frameElement->contentDocument(
)->getElementById("child-frame")); |
763 frameElement->setAttribute(styleAttr, "transform: translateY(480px)"); | 765 frameElement->setAttribute(styleAttr, "transform: translateY(480px)"); |
764 compositor().beginFrame(); | 766 compositor().beginFrame(); |
765 EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering()
); | 767 EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering()
); |
766 EXPECT_FALSE(childFrameElement->contentDocument()->view()->canThrottleRender
ing()); | 768 EXPECT_FALSE(childFrameElement->contentDocument()->view()->canThrottleRender
ing()); |
767 | 769 |
768 // Only run the intersection observer for the parent frame. Both frames | 770 // Only run the intersection observer for the parent frame. Both frames |
769 // should immediately become throttled. This simulates the case where a task | 771 // should immediately become throttled. This simulates the case where a task |
770 // such as BeginMainFrame runs in the middle of dispatching intersection | 772 // such as BeginMainFrame runs in the middle of dispatching intersection |
771 // observer notifications. | 773 // observer notifications. |
772 frameElement->contentDocument()->view()->notifyRenderThrottlingObserversForT
esting(); | 774 frameElement->contentDocument()->view()->updateRenderThrottlingStatusForTest
ing(); |
773 EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering())
; | 775 EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering())
; |
774 EXPECT_TRUE(childFrameElement->contentDocument()->view()->canThrottleRenderi
ng()); | 776 EXPECT_TRUE(childFrameElement->contentDocument()->view()->canThrottleRenderi
ng()); |
775 | 777 |
776 // Both frames should still be throttled after the second notification. | 778 // Both frames should still be throttled after the second notification. |
777 childFrameElement->contentDocument()->view()->notifyRenderThrottlingObserver
sForTesting(); | 779 childFrameElement->contentDocument()->view()->updateRenderThrottlingStatusFo
rTesting(); |
778 EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering())
; | 780 EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering())
; |
779 EXPECT_TRUE(childFrameElement->contentDocument()->view()->canThrottleRenderi
ng()); | 781 EXPECT_TRUE(childFrameElement->contentDocument()->view()->canThrottleRenderi
ng()); |
| 782 |
| 783 // Move the frame back on screen but don't update throttling yet. |
| 784 frameElement->setAttribute(styleAttr, "transform: translateY(0px)"); |
| 785 compositor().beginFrame(); |
| 786 EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering())
; |
| 787 EXPECT_TRUE(childFrameElement->contentDocument()->view()->canThrottleRenderi
ng()); |
| 788 |
| 789 // Update throttling for the child. It should remain throttled because the |
| 790 // parent is still throttled. |
| 791 childFrameElement->contentDocument()->view()->updateRenderThrottlingStatusFo
rTesting(); |
| 792 EXPECT_TRUE(frameElement->contentDocument()->view()->canThrottleRendering())
; |
| 793 EXPECT_TRUE(childFrameElement->contentDocument()->view()->canThrottleRenderi
ng()); |
| 794 |
| 795 // Updating throttling on the parent should unthrottle both frames. |
| 796 frameElement->contentDocument()->view()->updateRenderThrottlingStatusForTest
ing(); |
| 797 EXPECT_FALSE(frameElement->contentDocument()->view()->canThrottleRendering()
); |
| 798 EXPECT_FALSE(childFrameElement->contentDocument()->view()->canThrottleRender
ing()); |
780 } | 799 } |
781 | 800 |
782 TEST_F(FrameThrottlingTest, SkipPaintingLayersInThrottledFrames) | 801 TEST_F(FrameThrottlingTest, SkipPaintingLayersInThrottledFrames) |
783 { | 802 { |
784 webView().settings()->setAcceleratedCompositingEnabled(true); | 803 webView().settings()->setAcceleratedCompositingEnabled(true); |
785 webView().settings()->setPreferCompositingToLCDTextEnabled(true); | 804 webView().settings()->setPreferCompositingToLCDTextEnabled(true); |
786 | 805 |
787 SimRequest mainResource("https://example.com/", "text/html"); | 806 SimRequest mainResource("https://example.com/", "text/html"); |
788 SimRequest frameResource("https://example.com/iframe.html", "text/html"); | 807 SimRequest frameResource("https://example.com/iframe.html", "text/html"); |
789 | 808 |
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846 localFrame->script().executeScriptInMainWorld( | 865 localFrame->script().executeScriptInMainWorld( |
847 "window.requestAnimationFrame(function() {\n" | 866 "window.requestAnimationFrame(function() {\n" |
848 " var throttledFrame = window.parent.frames.first;\n" | 867 " var throttledFrame = window.parent.frames.first;\n" |
849 " throttledFrame.document.documentElement.style = 'margin: 50px';\n" | 868 " throttledFrame.document.documentElement.style = 'margin: 50px';\n" |
850 " throttledFrame.document.querySelector('#d').getBoundingClientRect();\
n" | 869 " throttledFrame.document.querySelector('#d').getBoundingClientRect();\
n" |
851 "});\n"); | 870 "});\n"); |
852 compositeFrame(); | 871 compositeFrame(); |
853 } | 872 } |
854 | 873 |
855 } // namespace blink | 874 } // namespace blink |
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