// Copyright 2017 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifdef UNSAFE_BUFFERS_BUILD // TODO(crbug.com/40285824): Remove this and convert code to safer constructs. #pragma allow_unsafe_buffers #endif #include "components/pdf/renderer/pdf_accessibility_tree.h" #include <map> #include <memory> #include "base/functional/callback.h" #include "base/location.h" #include "base/memory/raw_ptr.h" #include "base/path_service.h" #include "base/run_loop.h" #include "base/task/single_thread_task_runner.h" #include "base/test/metrics/histogram_tester.h" #include "base/test/scoped_feature_list.h" #include "base/time/time.h" #include "build/build_config.h" #include "components/strings/grit/components_strings.h" #include "content/public/common/content_switches.h" #include "content/public/renderer/render_accessibility.h" #include "content/public/renderer/render_frame.h" #include "content/public/test/render_view_test.h" #include "pdf/accessibility_structs.h" #include "pdf/pdf_accessibility_action_handler.h" #include "pdf/pdf_accessibility_image_fetcher.h" #include "pdf/pdf_features.h" #include "third_party/blink/public/web/web_ax_object.h" #include "third_party/blink/public/web/web_element.h" #include "third_party/blink/public/web/web_local_frame.h" #include "third_party/blink/public/web/web_settings.h" #include "third_party/blink/public/web/web_view.h" #include "ui/accessibility/ax_action_data.h" #include "ui/accessibility/ax_enums.mojom.h" #include "ui/accessibility/ax_event_generator.h" #include "ui/accessibility/ax_mode.h" #include "ui/accessibility/ax_node.h" #include "ui/accessibility/ax_node_id_forward.h" #include "ui/accessibility/ax_tree_id.h" #include "ui/accessibility/ax_tree_manager.h" #include "ui/base/l10n/l10n_util.h" #include "ui/base/resource/resource_bundle.h" #include "ui/gfx/geometry/point.h" #include "ui/gfx/geometry/rect_conversions.h" #include "ui/gfx/geometry/rect_f.h" #include "ui/strings/grit/auto_image_annotation_strings.h" #if BUILDFLAG(ENABLE_SCREEN_AI_SERVICE) #include <tuple> #include "base/containers/queue.h" #include "mojo/public/cpp/bindings/receiver.h" #include "mojo/public/cpp/bindings/remote.h" #include "services/screen_ai/public/mojom/screen_ai_service.mojom.h" // nogncheck crbug.com/1125897 #include "services/screen_ai/public/test/fake_screen_ai_annotator.h" // nogncheck crbug.com/40147906 #include "third_party/skia/include/core/SkBitmap.h" #include "ui/accessibility/accessibility_features.h" #include "ui/accessibility/ax_node_data.h" #include "ui/accessibility/ax_tree_id.h" #include "ui/accessibility/ax_tree_update.h" #include "ui/gfx/geometry/transform.h" #endif // BUILDFLAG(ENABLE_SCREEN_AI_SERVICE) namespace pdf { namespace { const chrome_pdf::AccessibilityTextRunInfo kFirstTextRun = …; const chrome_pdf::AccessibilityTextRunInfo kSecondTextRun = …; const chrome_pdf::AccessibilityCharInfo kDummyCharsData[] = …; const chrome_pdf::AccessibilityTextRunInfo kFirstRunMultiLine = …; const chrome_pdf::AccessibilityTextRunInfo kSecondRunMultiLine = …; const chrome_pdf::AccessibilityTextRunInfo kThirdRunMultiLine = …; const chrome_pdf::AccessibilityTextRunInfo kFourthRunMultiLine = …; const char kChromiumTestUrl[] = …; Matches; PrintToString; UnorderedElementsAre; // `MATCHER_P2` is copied from ui/accessibility/ax_event_generator_unittest.cc. MATCHER_P2(HasEventAtNode, expected_event_type, expected_node_id, std::string(negation ? "does not have" : "has") + " " + PrintToString(expected_event_type) + " on " + PrintToString(expected_node_id)) { … } void CompareRect(const gfx::RectF& expected_rect, const gfx::RectF& actual_rect) { … } constexpr uint32_t MakeARGB(unsigned int a, unsigned int r, unsigned int g, unsigned int b) { … } void CheckRootAndStatusNodes(const ui::AXNode* root_node, size_t num_child, bool is_pdf_ocr_test, bool is_ocr_completed, bool create_empty_ocr_results) { … } #if BUILDFLAG(ENABLE_SCREEN_AI_SERVICE) ui::AXTreeUpdate CreateMockOCRResult(const gfx::RectF& image_bounds, const gfx::RectF& text_bounds1, const gfx::RectF& text_bounds2) { … } uint32_t CalculateBatchCount(uint32_t page_count, uint32_t batch_size) { … } #endif // BUILDFLAG(ENABLE_SCREEN_AI_SERVICE) // This class overrides PdfAccessibilityActionHandler to record received // action data when tests make an accessibility action call. class TestPdfAccessibilityActionHandler : public chrome_pdf::PdfAccessibilityActionHandler { … }; struct ImagePosition { … }; bool operator<(const ImagePosition& p1, const ImagePosition& p2) { … } // This class overrides PdfAccessibilityImageFetcher to return an image from // previously stored images, instead of looking for it in the PDF. class TestPdfAccessibilityImageFetcher : public chrome_pdf::PdfAccessibilityImageFetcher { … }; // Waits for tasks posted to the thread's task runner to complete. void WaitForThreadTasks() { … } class TestPdfAccessibilityTree : public PdfAccessibilityTree { … }; } // namespace class PdfAccessibilityTreeTest : public content::RenderViewTest { … }; TEST_F(PdfAccessibilityTreeTest, TestEmptyPDFPage) { … } TEST_F(PdfAccessibilityTreeTest, TestAccessibilityDisabledDuringPDFLoad) { … } TEST_F(PdfAccessibilityTreeTest, TestPdfAccessibilityTreeReload) { … } TEST_F(PdfAccessibilityTreeTest, TestPdfAccessibilityTreeCreation) { … } TEST_F(PdfAccessibilityTreeTest, TestOverlappingAnnots) { … } TEST_F(PdfAccessibilityTreeTest, TestHighlightCreation) { … } TEST_F(PdfAccessibilityTreeTest, TestTextFieldNodeCreation) { … } TEST_F(PdfAccessibilityTreeTest, TestButtonNodeCreation) { … } TEST_F(PdfAccessibilityTreeTest, TestListboxNodeCreation) { … } TEST_F(PdfAccessibilityTreeTest, TestComboboxNodeCreation) { … } TEST_F(PdfAccessibilityTreeTest, TestPreviousNextOnLine) { … } TEST_F(PdfAccessibilityTreeTest, TextRunsAndCharsMismatch) { … } TEST_F(PdfAccessibilityTreeTest, UnsortedLinkVector) { … } TEST_F(PdfAccessibilityTreeTest, OutOfBoundLink) { … } TEST_F(PdfAccessibilityTreeTest, UnsortedImageVector) { … } TEST_F(PdfAccessibilityTreeTest, OutOfBoundImage) { … } TEST_F(PdfAccessibilityTreeTest, UnsortedHighlightVector) { … } TEST_F(PdfAccessibilityTreeTest, OutOfBoundHighlight) { … } TEST_F(PdfAccessibilityTreeTest, TestActionDataConversion) { … } TEST_F(PdfAccessibilityTreeTest, TestScrollToGlobalPointDataConversion) { … } TEST_F(PdfAccessibilityTreeTest, TestClickActionDataConversion) { … } TEST_F(PdfAccessibilityTreeTest, TestEmptyPdfAxActions) { … } TEST_F(PdfAccessibilityTreeTest, TestZoomAndScaleChanges) { … } TEST_F(PdfAccessibilityTreeTest, TestSelectionActionDataConversion) { … } TEST_F(PdfAccessibilityTreeTest, TestShowContextMenuAction) { … } TEST_F(PdfAccessibilityTreeTest, StitchChildTreeAction) { … } #if BUILDFLAG(ENABLE_SCREEN_AI_SERVICE) struct PdfOcrHelperTestBatchData { … }; class PdfOcrHelperTest : public PdfAccessibilityTreeTest, public testing::WithParamInterface<std::tuple< /* is_ocr_helper_started_before_pdf_loads */ bool, PdfOcrHelperTestBatchData>> { … }; TEST_P(PdfOcrHelperTest, PageBatching) { … } TEST_P(PdfOcrHelperTest, UMAMetrics) { … } TEST_P(PdfOcrHelperTest, EmptyOCRResults) { … } TEST_P(PdfOcrHelperTest, OCRCompleteNotification) { … } // 5 = smaller than the batch size, 105 = larger than the batch size // with fewer remaining pages in the first batch, 280 = greater than the // batch size by a lot and no remaining pages in the first batch. INSTANTIATE_TEST_SUITE_P(…); // TODO(crbug.com/40267312): Add test for end result on a non-synthetic // multi-page PDF. class PdfOcrTest : public PdfAccessibilityTreeTest { … }; TEST_F(PdfOcrTest, CheckLiveRegionPoliteStatus) { … } TEST_F(PdfOcrTest, CheckLiveRegionNotSetWhenInBackground) { … } TEST_F(PdfOcrTest, FeatureNotificationOnInaccessiblePdf) { … } TEST_F(PdfOcrTest, NoFeatureNotificationOnAccessiblePdf) { … } // Test param: image orientation. class PdfOcrRotationTest : public PdfOcrTest, public testing::WithParamInterface<int> { … }; INSTANTIATE_TEST_SUITE_P(…); TEST_P(PdfOcrRotationTest, TestTransformFromOnOcrDataReceived) { … } #endif // BUILDFLAG(ENABLE_SCREEN_AI_SERVICE) } // namespace pdf
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