From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../test/gtest/mvm/TestMobileViewportManager.cpp | 220 +++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 gfx/layers/apz/test/gtest/mvm/TestMobileViewportManager.cpp (limited to 'gfx/layers/apz/test/gtest/mvm/TestMobileViewportManager.cpp') diff --git a/gfx/layers/apz/test/gtest/mvm/TestMobileViewportManager.cpp b/gfx/layers/apz/test/gtest/mvm/TestMobileViewportManager.cpp new file mode 100644 index 0000000000..cd7e0a7d0d --- /dev/null +++ b/gfx/layers/apz/test/gtest/mvm/TestMobileViewportManager.cpp @@ -0,0 +1,220 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "gtest/gtest.h" +#include "gmock/gmock.h" + +#include + +#include "MobileViewportManager.h" +#include "mozilla/MVMContext.h" +#include "mozilla/dom/Event.h" + +using namespace mozilla; + +class MockMVMContext : public MVMContext { + using AutoSizeFlag = nsViewportInfo::AutoSizeFlag; + using AutoScaleFlag = nsViewportInfo::AutoScaleFlag; + using ZoomFlag = nsViewportInfo::ZoomFlag; + + // A "layout function" is a function that computes the content size + // as a function of the ICB size. + using LayoutFunction = std::function; + + public: + // MVMContext methods we don't care to implement. + MOCK_METHOD3(AddEventListener, + void(const nsAString& aType, nsIDOMEventListener* aListener, + bool aUseCapture)); + MOCK_METHOD3(RemoveEventListener, + void(const nsAString& aType, nsIDOMEventListener* aListener, + bool aUseCapture)); + MOCK_METHOD3(AddObserver, void(nsIObserver* aObserver, const char* aTopic, + bool aOwnsWeak)); + MOCK_METHOD2(RemoveObserver, + void(nsIObserver* aObserver, const char* aTopic)); + MOCK_METHOD0(Destroy, void()); + + MOCK_METHOD1(SetVisualViewportSize, void(const CSSSize& aSize)); + MOCK_METHOD0(PostVisualViewportResizeEventByDynamicToolbar, void()); + MOCK_METHOD0(UpdateDisplayPortMargins, void()); + + void SetMVM(MobileViewportManager* aMVM) { mMVM = aMVM; } + + // MVMContext method implementations. + nsViewportInfo GetViewportInfo(const ScreenIntSize& aDisplaySize) const { + // This is a very basic approximation of what Document::GetViewportInfo() + // does in the most common cases. + // Ideally, we would invoke the algorithm in Document::GetViewportInfo() + // itself, but that would require refactoring it a bit to remove + // dependencies on the actual Document which we don't have available in + // this test harness. + CSSSize viewportSize = mDisplaySize / mDeviceScale; + if (mAutoSizeFlag == AutoSizeFlag::FixedSize) { + viewportSize = CSSSize(mFixedViewportWidth, + mFixedViewportWidth * (float(mDisplaySize.height) / + mDisplaySize.width)); + } + return nsViewportInfo(mDefaultScale, mMinScale, mMaxScale, viewportSize, + mAutoSizeFlag, mAutoScaleFlag, mZoomFlag, + dom::ViewportFitType::Auto); + } + CSSToLayoutDeviceScale CSSToDevPixelScale() const { return mDeviceScale; } + float GetResolution() const { return mResolution; } + bool SubjectMatchesDocument(nsISupports* aSubject) const { return true; } + Maybe CalculateScrollableRectForRSF() const { + return Some(CSSRect(CSSPoint(), mContentSize)); + } + bool IsResolutionUpdatedByApz() const { return false; } + LayoutDeviceMargin ScrollbarAreaToExcludeFromCompositionBounds() const { + return LayoutDeviceMargin(); + } + Maybe GetContentViewerSize() const { + return Some(mDisplaySize); + } + bool AllowZoomingForDocument() const { return true; } + bool IsInReaderMode() const { return false; } + bool IsDocumentLoading() const { return false; } + + void SetResolutionAndScaleTo(float aResolution, + ResolutionChangeOrigin aOrigin) { + mResolution = aResolution; + mMVM->ResolutionUpdated(aOrigin); + } + void Reflow(const CSSSize& aNewSize) { + mICBSize = aNewSize; + mContentSize = mLayoutFunction(mICBSize); + } + + // Allow test code to modify the input metrics. + void SetMinScale(CSSToScreenScale aMinScale) { mMinScale = aMinScale; } + void SetMaxScale(CSSToScreenScale aMaxScale) { mMaxScale = aMaxScale; } + void SetInitialScale(CSSToScreenScale aInitialScale) { + mDefaultScale = aInitialScale; + mAutoScaleFlag = AutoScaleFlag::FixedScale; + } + void SetFixedViewportWidth(CSSCoord aWidth) { + mFixedViewportWidth = aWidth; + mAutoSizeFlag = AutoSizeFlag::FixedSize; + } + void SetDisplaySize(const LayoutDeviceIntSize& aNewDisplaySize) { + mDisplaySize = aNewDisplaySize; + } + void SetLayoutFunction(const LayoutFunction& aLayoutFunction) { + mLayoutFunction = aLayoutFunction; + } + + // Allow test code to query the output metrics. + CSSSize GetICBSize() const { return mICBSize; } + CSSSize GetContentSize() const { return mContentSize; } + + private: + // Input metrics, with some sensible defaults. + LayoutDeviceIntSize mDisplaySize{300, 600}; + CSSToScreenScale mDefaultScale{1.0f}; + CSSToScreenScale mMinScale{0.25f}; + CSSToScreenScale mMaxScale{10.0f}; + CSSToLayoutDeviceScale mDeviceScale{1.0f}; + CSSCoord mFixedViewportWidth; + AutoSizeFlag mAutoSizeFlag = AutoSizeFlag::AutoSize; + AutoScaleFlag mAutoScaleFlag = AutoScaleFlag::AutoScale; + ZoomFlag mZoomFlag = ZoomFlag::AllowZoom; + // As a default layout function, just set the content size to the ICB size. + LayoutFunction mLayoutFunction = [](CSSSize aICBSize) { return aICBSize; }; + + // Output metrics. + float mResolution = 1.0f; + CSSSize mICBSize; + CSSSize mContentSize; + + MobileViewportManager* mMVM = nullptr; +}; + +class MVMTester : public ::testing::Test { + public: + MVMTester() + : mMVMContext(new MockMVMContext()), + mMVM(new MobileViewportManager( + mMVMContext, + MobileViewportManager::ManagerType::VisualAndMetaViewport)) { + mMVMContext->SetMVM(mMVM.get()); + } + + void Resize(const LayoutDeviceIntSize& aNewDisplaySize) { + mMVMContext->SetDisplaySize(aNewDisplaySize); + mMVM->RequestReflow(false); + } + + protected: + RefPtr mMVMContext; + RefPtr mMVM; +}; + +TEST_F(MVMTester, ZoomBoundsRespectedAfterRotation_Bug1536755) { + // Set up initial conditions. + mMVMContext->SetDisplaySize(LayoutDeviceIntSize(600, 300)); + mMVMContext->SetInitialScale(CSSToScreenScale(1.0f)); + mMVMContext->SetMinScale(CSSToScreenScale(1.0f)); + mMVMContext->SetMaxScale(CSSToScreenScale(1.0f)); + // Set a layout function that simulates a page which is twice + // as tall as it is wide. + mMVMContext->SetLayoutFunction([](CSSSize aICBSize) { + return CSSSize(aICBSize.width, aICBSize.width * 2); + }); + + // Perform an initial viewport computation and reflow, and + // sanity-check the results. + mMVM->SetInitialViewport(); + EXPECT_EQ(CSSSize(600, 300), mMVMContext->GetICBSize()); + EXPECT_EQ(CSSSize(600, 1200), mMVMContext->GetContentSize()); + EXPECT_EQ(1.0f, mMVMContext->GetResolution()); + + // Now rotate the screen, and check that the minimum and maximum + // scales are still respected after the rotation. + Resize(LayoutDeviceIntSize(300, 600)); + EXPECT_EQ(CSSSize(300, 600), mMVMContext->GetICBSize()); + EXPECT_EQ(CSSSize(300, 600), mMVMContext->GetContentSize()); + EXPECT_EQ(1.0f, mMVMContext->GetResolution()); +} + +TEST_F(MVMTester, LandscapeToPortraitRotation_Bug1523844) { + // Set up initial conditions. + mMVMContext->SetDisplaySize(LayoutDeviceIntSize(300, 600)); + // Set a layout function that simulates a page with a fixed + // content size that's as wide as the screen in one orientation + // (and wider in the other). + mMVMContext->SetLayoutFunction( + [](CSSSize aICBSize) { return CSSSize(600, 1200); }); + + // Simulate a "DOMMetaAdded" event being fired before calling + // SetInitialViewport(). This matches what typically happens + // during real usage (the MVM receives the "DOMMetaAdded" + // before the "load", and it's the "load" that calls + // SetInitialViewport()), and is important to trigger this + // bug, because it causes the MVM to be stuck with an + // "mRestoreResolution" (prior to the fix). + mMVM->HandleDOMMetaAdded(); + + // Perform an initial viewport computation and reflow, and + // sanity-check the results. + mMVM->SetInitialViewport(); + EXPECT_EQ(CSSSize(300, 600), mMVMContext->GetICBSize()); + EXPECT_EQ(CSSSize(600, 1200), mMVMContext->GetContentSize()); + EXPECT_EQ(0.5f, mMVMContext->GetResolution()); + + // Rotate to landscape. + Resize(LayoutDeviceIntSize(600, 300)); + EXPECT_EQ(CSSSize(600, 300), mMVMContext->GetICBSize()); + EXPECT_EQ(CSSSize(600, 1200), mMVMContext->GetContentSize()); + EXPECT_EQ(1.0f, mMVMContext->GetResolution()); + + // Rotate back to portrait and check that we have returned + // to the portrait resolution. + Resize(LayoutDeviceIntSize(300, 600)); + EXPECT_EQ(CSSSize(300, 600), mMVMContext->GetICBSize()); + EXPECT_EQ(CSSSize(600, 1200), mMVMContext->GetContentSize()); + EXPECT_EQ(0.5f, mMVMContext->GetResolution()); +} -- cgit v1.2.3