| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "pdf/accessibility.h" |
| |
| #include "pdf/pdfium/pdfium_engine.h" |
| #include "pdf/pdfium/pdfium_test_base.h" |
| #include "pdf/test/test_client.h" |
| #include "pdf/test/test_utils.h" |
| #include "ppapi/c/private/ppp_pdf.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/geometry/vector2d.h" |
| |
| namespace chrome_pdf { |
| |
| using AccessibilityTest = PDFiumTestBase; |
| |
| float GetExpectedBoundsWidth(bool is_chromeos, size_t i, float expected) { |
| return (is_chromeos && i == 0) ? 85.333336f : expected; |
| } |
| |
| double GetExpectedCharWidth(bool is_chromeos, size_t i, double expected) { |
| if (is_chromeos) { |
| if (i == 25) |
| return 13.333343; |
| if (i == 26) |
| return 6.666656; |
| } |
| return expected; |
| } |
| |
| // NOTE: This test is sensitive to font metrics from the underlying platform. |
| // If changes to fonts on the system or to font code like FreeType cause this |
| // test to fail, please feel free to rebase the test expectations here, or |
| // update the GetExpected... functions above. If that becomes too much of a |
| // burden, consider changing the checks to just make sure the font metrics look |
| // sane. |
| TEST_F(AccessibilityTest, GetAccessibilityPage) { |
| static constexpr size_t kExpectedTextRunCount = 2; |
| struct { |
| uint32_t len; |
| double font_size; |
| float bounds_x; |
| float bounds_y; |
| float bounds_w; |
| float bounds_h; |
| } static constexpr kExpectedTextRuns[] = { |
| {15, 12, 26.666666f, 189.333328f, 84.000008f, 13.333344f}, |
| {15, 16, 28.000000f, 117.333334f, 152.000000f, 19.999992f}, |
| }; |
| static_assert(base::size(kExpectedTextRuns) == kExpectedTextRunCount, |
| "Bad test expectation count"); |
| |
| static constexpr size_t kExpectedCharCount = 30; |
| static constexpr PP_PrivateAccessibilityCharInfo kExpectedChars[] = { |
| {'H', 12}, {'e', 6.6666}, {'l', 5.3333}, {'l', 4}, {'o', 8}, |
| {',', 4}, {' ', 4}, {'w', 12}, {'o', 6.6666}, {'r', 6.6666}, |
| {'l', 4}, {'d', 9.3333}, {'!', 4}, {'\r', 0}, {'\n', 0}, |
| {'G', 16}, {'o', 12}, {'o', 12}, {'d', 12}, {'b', 10.6666}, |
| {'y', 12}, {'e', 12}, {',', 4}, {' ', 6.6666}, {'w', 16}, |
| {'o', 12}, {'r', 8}, {'l', 4}, {'d', 12}, {'!', 2.6666}, |
| }; |
| static_assert(base::size(kExpectedChars) == kExpectedCharCount, |
| "Bad test expectation count"); |
| |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf")); |
| ASSERT_TRUE(engine); |
| |
| ASSERT_EQ(2, engine->GetNumberOfPages()); |
| PP_PrivateAccessibilityPageInfo page_info; |
| std::vector<pp::PDF::PrivateAccessibilityTextRunInfo> text_runs; |
| std::vector<PP_PrivateAccessibilityCharInfo> chars; |
| pp::PDF::PrivateAccessibilityPageObjects page_objects; |
| ASSERT_TRUE(GetAccessibilityInfo(engine.get(), 0, &page_info, &text_runs, |
| &chars, &page_objects)); |
| EXPECT_EQ(0u, page_info.page_index); |
| EXPECT_EQ(5, page_info.bounds.point.x); |
| EXPECT_EQ(3, page_info.bounds.point.y); |
| EXPECT_EQ(266, page_info.bounds.size.width); |
| EXPECT_EQ(266, page_info.bounds.size.height); |
| EXPECT_EQ(text_runs.size(), page_info.text_run_count); |
| EXPECT_EQ(chars.size(), page_info.char_count); |
| |
| bool is_chromeos = IsRunningOnChromeOS(); |
| |
| ASSERT_EQ(kExpectedTextRunCount, text_runs.size()); |
| for (size_t i = 0; i < kExpectedTextRunCount; ++i) { |
| const auto& expected = kExpectedTextRuns[i]; |
| EXPECT_EQ(expected.len, text_runs[i].len) << i; |
| EXPECT_FLOAT_EQ(expected.font_size, text_runs[i].style.font_size) << i; |
| EXPECT_FLOAT_EQ(expected.bounds_x, text_runs[i].bounds.point.x) << i; |
| EXPECT_FLOAT_EQ(expected.bounds_y, text_runs[i].bounds.point.y) << i; |
| float expected_bounds_w = |
| GetExpectedBoundsWidth(is_chromeos, i, expected.bounds_w); |
| EXPECT_FLOAT_EQ(expected_bounds_w, text_runs[i].bounds.size.width) << i; |
| EXPECT_FLOAT_EQ(expected.bounds_h, text_runs[i].bounds.size.height) << i; |
| EXPECT_EQ(PP_PRIVATEDIRECTION_LTR, text_runs[i].direction); |
| } |
| |
| ASSERT_EQ(kExpectedCharCount, chars.size()); |
| for (size_t i = 0; i < kExpectedCharCount; ++i) { |
| const auto& expected = kExpectedChars[i]; |
| EXPECT_EQ(expected.unicode_character, chars[i].unicode_character) << i; |
| double expected_char_width = |
| GetExpectedCharWidth(is_chromeos, i, expected.char_width); |
| EXPECT_NEAR(expected_char_width, chars[i].char_width, 0.001) << i; |
| } |
| } |
| |
| TEST_F(AccessibilityTest, GetAccessibilityImageInfo) { |
| static const pp::PDF::PrivateAccessibilityImageInfo kExpectedImageInfo[] = { |
| {"Image 1", 0, {{380, 78}, {67, 68}}}, |
| {"Image 2", 0, {{380, 385}, {27, 28}}}, |
| {"Image 3", 0, {{380, 678}, {1, 1}}}}; |
| |
| static const pp::Rect kExpectedPageRect = {{5, 3}, {816, 1056}}; |
| |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("image_alt_text.pdf")); |
| ASSERT_TRUE(engine); |
| ASSERT_EQ(1, engine->GetNumberOfPages()); |
| |
| PP_PrivateAccessibilityPageInfo page_info; |
| std::vector<pp::PDF::PrivateAccessibilityTextRunInfo> text_runs; |
| std::vector<PP_PrivateAccessibilityCharInfo> chars; |
| pp::PDF::PrivateAccessibilityPageObjects page_objects; |
| ASSERT_TRUE(GetAccessibilityInfo(engine.get(), 0, &page_info, &text_runs, |
| &chars, &page_objects)); |
| EXPECT_EQ(0u, page_info.page_index); |
| CompareRect(kExpectedPageRect, page_info.bounds); |
| EXPECT_EQ(text_runs.size(), page_info.text_run_count); |
| EXPECT_EQ(chars.size(), page_info.char_count); |
| ASSERT_EQ(page_objects.images.size(), base::size(kExpectedImageInfo)); |
| |
| for (size_t i = 0; i < page_objects.images.size(); ++i) { |
| EXPECT_EQ(page_objects.images[i].alt_text, kExpectedImageInfo[i].alt_text); |
| CompareRect(kExpectedImageInfo[i].bounds, page_objects.images[i].bounds); |
| EXPECT_EQ(page_objects.images[i].text_run_index, |
| kExpectedImageInfo[i].text_run_index); |
| } |
| } |
| |
| TEST_F(AccessibilityTest, GetUnderlyingTextRangeForRect) { |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf")); |
| ASSERT_TRUE(engine); |
| ASSERT_EQ(2, engine->GetNumberOfPages()); |
| |
| PDFiumPage& page = GetPDFiumPageForTest(*engine, 0); |
| |
| // The test rect spans across [0, 4] char indices. |
| int start_index = -1; |
| int char_count = 0; |
| EXPECT_TRUE(page.GetUnderlyingTextRangeForRect( |
| pp::FloatRect(20.0f, 50.0f, 26.0f, 8.0f), &start_index, &char_count)); |
| EXPECT_EQ(start_index, 0); |
| EXPECT_EQ(char_count, 5); |
| |
| // The input rectangle is spanning across multiple lines. |
| // GetUnderlyingTextRangeForRect() should return only the char indices |
| // of first line. |
| start_index = -1; |
| char_count = 0; |
| EXPECT_TRUE(page.GetUnderlyingTextRangeForRect( |
| pp::FloatRect(20.0f, 0.0f, 26.0f, 58.0f), &start_index, &char_count)); |
| EXPECT_EQ(start_index, 0); |
| EXPECT_EQ(char_count, 5); |
| |
| // There is no text below this rectangle. So, GetUnderlyingTextRangeForRect() |
| // will return false and not change the dummy values set here. |
| start_index = -9; |
| char_count = -10; |
| EXPECT_FALSE(page.GetUnderlyingTextRangeForRect( |
| pp::FloatRect(10.0f, 10.0f, 0.0f, 0.0f), &start_index, &char_count)); |
| EXPECT_EQ(start_index, -9); |
| EXPECT_EQ(char_count, -10); |
| } |
| |
| // This class overrides TestClient to record points received when a scroll |
| // call is made by tests. |
| class ScrollEnabledTestClient : public TestClient { |
| public: |
| ScrollEnabledTestClient() = default; |
| ~ScrollEnabledTestClient() override = default; |
| |
| // Records the scroll delta received in a ScrollBy action request from tests. |
| void ScrollBy(const gfx::Vector2d& scroll_delta) override { |
| received_scroll_delta_ = scroll_delta; |
| } |
| |
| // Returns the scroll delta received in a ScrollBy action for validation in |
| // tests. |
| const gfx::Vector2d& GetScrollRequestDelta() const { |
| return received_scroll_delta_; |
| } |
| |
| private: |
| gfx::Vector2d received_scroll_delta_; |
| }; |
| |
| TEST_F(AccessibilityTest, TestScrollIntoViewActionHandling) { |
| // This test checks that accessibility scroll action is passed |
| // on to the ScrollEnabledTestClient implementation. |
| ScrollEnabledTestClient client; |
| std::unique_ptr<PDFiumEngine> engine = InitializeEngine( |
| &client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf")); |
| ASSERT_TRUE(engine); |
| engine->PluginSizeUpdated({400, 400}); |
| PP_PdfAccessibilityActionData action_data; |
| action_data.action = PP_PdfAccessibilityAction::PP_PDF_SCROLL_TO_MAKE_VISIBLE; |
| action_data.target_rect = {{120, 0}, {10, 10}}; |
| |
| // Horizontal and Vertical scroll alignment of none should not scroll. |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_NONE; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_NONE; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(0, 0), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_LEFT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_TOP; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(120, 0), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_LEFT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_BOTTOM; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(120, -400), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_RIGHT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_TOP; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-280, 0), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_RIGHT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_BOTTOM; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-280, -400), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_CENTER; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_CENTER; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-80, -200), client.GetScrollRequestDelta()); |
| |
| // Simulate a 150% zoom update in the PDFiumEngine. |
| engine->PluginSizeUpdated({600, 600}); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_NONE; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_NONE; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(0, 0), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_LEFT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_TOP; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(120, 0), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_LEFT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_BOTTOM; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(120, -600), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_RIGHT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_TOP; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-480, 0), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_RIGHT; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_BOTTOM; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-480, -600), client.GetScrollRequestDelta()); |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_CENTER; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_CENTER; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-180, -300), client.GetScrollRequestDelta()); |
| } |
| |
| TEST_F(AccessibilityTest, TestScrollToNearestEdge) { |
| ScrollEnabledTestClient client; |
| std::unique_ptr<PDFiumEngine> engine = InitializeEngine( |
| &client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf")); |
| ASSERT_TRUE(engine); |
| engine->PluginSizeUpdated({400, 400}); |
| PP_PdfAccessibilityActionData action_data; |
| action_data.action = PP_PdfAccessibilityAction::PP_PDF_SCROLL_TO_MAKE_VISIBLE; |
| |
| action_data.horizontal_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_CLOSEST_EDGE; |
| action_data.vertical_scroll_alignment = |
| PP_PdfAccessibilityScrollAlignment::PP_PDF_SCROLL_ALIGNMENT_CLOSEST_EDGE; |
| // Point which is in the middle of the viewport. |
| action_data.target_rect = {{200, 200}, {10, 10}}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(200, 200), client.GetScrollRequestDelta()); |
| |
| // Point which is near the top left of the viewport. |
| action_data.target_rect = {{199, 199}, {10, 10}}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(199, 199), client.GetScrollRequestDelta()); |
| |
| // Point which is near the top right of the viewport |
| action_data.target_rect = {{201, 199}, {10, 10}}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-199, 199), client.GetScrollRequestDelta()); |
| |
| // Point which is near the bottom left of the viewport. |
| action_data.target_rect = {{199, 201}, {10, 10}}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(199, -199), client.GetScrollRequestDelta()); |
| |
| // Point which is near the bottom right of the viewport |
| action_data.target_rect = {{201, 201}, {10, 10}}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-199, -199), client.GetScrollRequestDelta()); |
| } |
| |
| TEST_F(AccessibilityTest, TestScrollToGlobalPoint) { |
| ScrollEnabledTestClient client; |
| std::unique_ptr<PDFiumEngine> engine = InitializeEngine( |
| &client, FILE_PATH_LITERAL("rectangles_multi_pages.pdf")); |
| ASSERT_TRUE(engine); |
| engine->PluginSizeUpdated({400, 400}); |
| PP_PdfAccessibilityActionData action_data; |
| action_data.action = PP_PdfAccessibilityAction::PP_PDF_SCROLL_TO_GLOBAL_POINT; |
| |
| // Scroll up if global point is below the target rect |
| action_data.target_rect = {{201, 201}, {10, 10}}; |
| action_data.target_point = {230, 230}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(-29, -29), client.GetScrollRequestDelta()); |
| |
| // Scroll down if global point is above the target rect |
| action_data.target_rect = {{230, 230}, {10, 10}}; |
| action_data.target_point = {201, 201}; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(gfx::Vector2d(29, 29), client.GetScrollRequestDelta()); |
| } |
| |
| // This class is required to just override the NavigateTo |
| // functionality for testing in a specific way. It will |
| // keep the TestClient class clean for extension by others. |
| class NavigationEnabledTestClient : public TestClient { |
| public: |
| NavigationEnabledTestClient() = default; |
| ~NavigationEnabledTestClient() override = default; |
| |
| void NavigateTo(const std::string& url, |
| WindowOpenDisposition disposition) override { |
| url_ = url; |
| disposition_ = disposition; |
| } |
| |
| void NavigateToDestination(int page, |
| const float* x_in_pixels, |
| const float* y_in_pixels, |
| const float* zoom) override { |
| page_ = page; |
| if (x_in_pixels) |
| x_in_pixels_ = *x_in_pixels; |
| if (y_in_pixels) |
| y_in_pixels_ = *y_in_pixels; |
| if (zoom) |
| zoom_ = *zoom; |
| } |
| |
| const std::string& url() const { return url_; } |
| WindowOpenDisposition disposition() const { return disposition_; } |
| int page() const { return page_; } |
| int x_in_pixels() const { return x_in_pixels_; } |
| int y_in_pixels() const { return y_in_pixels_; } |
| float zoom() const { return zoom_; } |
| |
| private: |
| std::string url_; |
| WindowOpenDisposition disposition_ = WindowOpenDisposition::UNKNOWN; |
| int page_ = -1; |
| float x_in_pixels_ = 0; |
| float y_in_pixels_ = 0; |
| float zoom_ = 0; |
| }; |
| |
| TEST_F(AccessibilityTest, TestWebLinkClickActionHandling) { |
| NavigationEnabledTestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("weblinks.pdf")); |
| ASSERT_TRUE(engine); |
| |
| PP_PdfAccessibilityActionData action_data; |
| action_data.action = PP_PdfAccessibilityAction::PP_PDF_DO_DEFAULT_ACTION; |
| action_data.page_index = 0; |
| action_data.annotation_type = PP_PdfAccessibilityAnnotationType::PP_PDF_LINK; |
| action_data.annotation_index = 0; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ("http://yahoo.com", client.url()); |
| EXPECT_EQ(WindowOpenDisposition::CURRENT_TAB, client.disposition()); |
| } |
| |
| TEST_F(AccessibilityTest, TestInternalLinkClickActionHandling) { |
| NavigationEnabledTestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("link_annots.pdf")); |
| ASSERT_TRUE(engine); |
| |
| PP_PdfAccessibilityActionData action_data; |
| action_data.action = PP_PdfAccessibilityAction::PP_PDF_DO_DEFAULT_ACTION; |
| action_data.page_index = 0; |
| action_data.annotation_type = PP_PdfAccessibilityAnnotationType::PP_PDF_LINK; |
| action_data.annotation_index = 1; |
| engine->HandleAccessibilityAction(action_data); |
| EXPECT_EQ(1, client.page()); |
| EXPECT_EQ(266, client.x_in_pixels()); |
| EXPECT_EQ(89, client.y_in_pixels()); |
| EXPECT_FLOAT_EQ(1.75, client.zoom()); |
| EXPECT_TRUE(client.url().empty()); |
| } |
| |
| TEST_F(AccessibilityTest, GetAccessibilityLinkInfo) { |
| static pp::PDF::PrivateAccessibilityLinkInfo expected_link_info[] = { |
| {"http://yahoo.com", 0, 1, 1, {{75, 191}, {110, 16}}}, |
| {"http://bing.com", 1, 4, 1, {{131, 121}, {138, 20}}}, |
| {"http://google.com", 2, 7, 1, {{82, 67}, {161, 21}}}}; |
| |
| if (IsRunningOnChromeOS()) { |
| expected_link_info[0].bounds = {{75, 192}, {110, 15}}; |
| expected_link_info[1].bounds = {{131, 120}, {138, 22}}; |
| } |
| |
| static const pp::Rect kExpectedPageRect = {{5, 3}, {533, 266}}; |
| |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("weblinks.pdf")); |
| ASSERT_TRUE(engine); |
| ASSERT_EQ(1, engine->GetNumberOfPages()); |
| |
| PP_PrivateAccessibilityPageInfo page_info; |
| std::vector<pp::PDF::PrivateAccessibilityTextRunInfo> text_runs; |
| std::vector<PP_PrivateAccessibilityCharInfo> chars; |
| pp::PDF::PrivateAccessibilityPageObjects page_objects; |
| ASSERT_TRUE(GetAccessibilityInfo(engine.get(), 0, &page_info, &text_runs, |
| &chars, &page_objects)); |
| EXPECT_EQ(0u, page_info.page_index); |
| CompareRect(kExpectedPageRect, page_info.bounds); |
| EXPECT_EQ(text_runs.size(), page_info.text_run_count); |
| EXPECT_EQ(chars.size(), page_info.char_count); |
| ASSERT_EQ(page_objects.links.size(), base::size(expected_link_info)); |
| |
| for (size_t i = 0; i < page_objects.links.size(); ++i) { |
| const pp::PDF::PrivateAccessibilityLinkInfo& link_info = |
| page_objects.links[i]; |
| EXPECT_EQ(link_info.url, expected_link_info[i].url); |
| EXPECT_EQ(link_info.index_in_page, expected_link_info[i].index_in_page); |
| CompareRect(expected_link_info[i].bounds, link_info.bounds); |
| EXPECT_EQ(link_info.text_run_index, expected_link_info[i].text_run_index); |
| EXPECT_EQ(link_info.text_run_count, expected_link_info[i].text_run_count); |
| } |
| } |
| |
| TEST_F(AccessibilityTest, GetAccessibilityHighlightInfo) { |
| constexpr uint32_t kHighlightDefaultColor = MakeARGB(255, 255, 255, 0); |
| constexpr uint32_t kHighlightRedColor = MakeARGB(102, 230, 0, 0); |
| constexpr uint32_t kHighlightNoColor = MakeARGB(0, 0, 0, 0); |
| static const pp::PDF::PrivateAccessibilityHighlightInfo |
| kExpectedHighlightInfo[] = { |
| {"Text Note", 0, 0, 1, {{5, 196}, {49, 26}}, kHighlightDefaultColor}, |
| {"", 1, 2, 1, {{110, 196}, {77, 26}}, kHighlightRedColor}, |
| {"", 2, 3, 1, {{192, 196}, {13, 26}}, kHighlightNoColor}}; |
| |
| static const pp::Rect kExpectedPageRect = {{5, 3}, {533, 266}}; |
| |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("highlights.pdf")); |
| ASSERT_TRUE(engine); |
| ASSERT_EQ(1, engine->GetNumberOfPages()); |
| |
| PP_PrivateAccessibilityPageInfo page_info; |
| std::vector<pp::PDF::PrivateAccessibilityTextRunInfo> text_runs; |
| std::vector<PP_PrivateAccessibilityCharInfo> chars; |
| pp::PDF::PrivateAccessibilityPageObjects page_objects; |
| ASSERT_TRUE(GetAccessibilityInfo(engine.get(), 0, &page_info, &text_runs, |
| &chars, &page_objects)); |
| EXPECT_EQ(0u, page_info.page_index); |
| CompareRect(kExpectedPageRect, page_info.bounds); |
| EXPECT_EQ(text_runs.size(), page_info.text_run_count); |
| EXPECT_EQ(chars.size(), page_info.char_count); |
| ASSERT_EQ(page_objects.highlights.size(), base::size(kExpectedHighlightInfo)); |
| |
| for (size_t i = 0; i < page_objects.highlights.size(); ++i) { |
| const pp::PDF::PrivateAccessibilityHighlightInfo& highlight_info = |
| page_objects.highlights[i]; |
| EXPECT_EQ(highlight_info.index_in_page, |
| kExpectedHighlightInfo[i].index_in_page); |
| CompareRect(kExpectedHighlightInfo[i].bounds, highlight_info.bounds); |
| EXPECT_EQ(highlight_info.text_run_index, |
| kExpectedHighlightInfo[i].text_run_index); |
| EXPECT_EQ(highlight_info.text_run_count, |
| kExpectedHighlightInfo[i].text_run_count); |
| EXPECT_EQ(highlight_info.color, kExpectedHighlightInfo[i].color); |
| EXPECT_EQ(highlight_info.note_text, kExpectedHighlightInfo[i].note_text); |
| } |
| } |
| |
| TEST_F(AccessibilityTest, GetAccessibilityTextFieldInfo) { |
| static const pp::PDF::PrivateAccessibilityTextFieldInfo |
| kExpectedTextFieldInfo[] = { |
| {"Text Box", "Text", false, false, false, 0, 5, {138, 230, 135, 41}}, |
| {"ReadOnly", |
| "Elephant", |
| true, |
| false, |
| false, |
| 1, |
| 5, |
| {138, 163, 135, 41}}, |
| {"Required", |
| "Required Field", |
| false, |
| true, |
| false, |
| 2, |
| 5, |
| {138, 303, 135, 34}}, |
| {"Password", "", false, false, true, 3, 5, {138, 356, 135, 35}}}; |
| |
| static const pp::Rect kExpectedPageRect = {{5, 3}, {400, 400}}; |
| |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("form_text_fields.pdf")); |
| ASSERT_TRUE(engine); |
| ASSERT_EQ(1, engine->GetNumberOfPages()); |
| |
| PP_PrivateAccessibilityPageInfo page_info; |
| std::vector<pp::PDF::PrivateAccessibilityTextRunInfo> text_runs; |
| std::vector<PP_PrivateAccessibilityCharInfo> chars; |
| pp::PDF::PrivateAccessibilityPageObjects page_objects; |
| ASSERT_TRUE(GetAccessibilityInfo(engine.get(), 0, &page_info, &text_runs, |
| &chars, &page_objects)); |
| EXPECT_EQ(0u, page_info.page_index); |
| CompareRect(kExpectedPageRect, page_info.bounds); |
| EXPECT_EQ(text_runs.size(), page_info.text_run_count); |
| EXPECT_EQ(chars.size(), page_info.char_count); |
| ASSERT_EQ(page_objects.form_fields.text_fields.size(), |
| base::size(kExpectedTextFieldInfo)); |
| |
| for (size_t i = 0; i < page_objects.form_fields.text_fields.size(); ++i) { |
| const pp::PDF::PrivateAccessibilityTextFieldInfo& text_field_info = |
| page_objects.form_fields.text_fields[i]; |
| EXPECT_EQ(kExpectedTextFieldInfo[i].name, text_field_info.name); |
| EXPECT_EQ(kExpectedTextFieldInfo[i].value, text_field_info.value); |
| EXPECT_EQ(kExpectedTextFieldInfo[i].is_read_only, |
| text_field_info.is_read_only); |
| EXPECT_EQ(kExpectedTextFieldInfo[i].is_required, |
| text_field_info.is_required); |
| EXPECT_EQ(kExpectedTextFieldInfo[i].is_password, |
| text_field_info.is_password); |
| EXPECT_EQ(kExpectedTextFieldInfo[i].index_in_page, |
| text_field_info.index_in_page); |
| EXPECT_EQ(kExpectedTextFieldInfo[i].text_run_index, |
| text_field_info.text_run_index); |
| CompareRect(kExpectedTextFieldInfo[i].bounds, text_field_info.bounds); |
| } |
| } |
| |
| TEST_F(AccessibilityTest, TestSelectionActionHandling) { |
| struct Selection { |
| uint32_t start_page_index; |
| uint32_t start_char_index; |
| uint32_t end_page_index; |
| uint32_t end_char_index; |
| }; |
| |
| struct TestCase { |
| Selection action; |
| Selection expected_result; |
| }; |
| |
| static constexpr TestCase kTestCases[] = { |
| {{0, 0, 0, 0}, {0, 0, 0, 0}}, |
| {{0, 0, 1, 5}, {0, 0, 1, 5}}, |
| // Selection action data with invalid char index. |
| // GetSelection() should return the previous selection in this case. |
| {{0, 0, 0, 50}, {0, 0, 1, 5}}, |
| // Selection action data for reverse selection where start selection |
| // index is greater than end selection index. GetSelection() should |
| // return the sanitized selection value where start selection index |
| // is less than end selection index. |
| {{1, 10, 0, 5}, {0, 5, 1, 10}}, |
| {{0, 10, 0, 4}, {0, 4, 0, 10}}, |
| // Selection action data with invalid page index. |
| // GetSelection() should return the previous selection in this case. |
| {{0, 10, 2, 4}, {0, 4, 0, 10}}, |
| }; |
| |
| TestClient client; |
| std::unique_ptr<PDFiumEngine> engine = |
| InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf")); |
| ASSERT_TRUE(engine); |
| |
| for (const auto& test_case : kTestCases) { |
| PP_PdfAccessibilityActionData action_data; |
| action_data.action = PP_PdfAccessibilityAction::PP_PDF_SET_SELECTION; |
| const Selection& sel_action = test_case.action; |
| action_data.selection_start_index.page_index = sel_action.start_page_index; |
| action_data.selection_start_index.char_index = sel_action.start_char_index; |
| action_data.selection_end_index.page_index = sel_action.end_page_index; |
| action_data.selection_end_index.char_index = sel_action.end_char_index; |
| |
| engine->HandleAccessibilityAction(action_data); |
| Selection actual_selection; |
| engine->GetSelection( |
| &actual_selection.start_page_index, &actual_selection.start_char_index, |
| &actual_selection.end_page_index, &actual_selection.end_char_index); |
| const Selection& expected_selection = test_case.expected_result; |
| EXPECT_EQ(actual_selection.start_page_index, |
| expected_selection.start_page_index); |
| EXPECT_EQ(actual_selection.start_char_index, |
| expected_selection.start_char_index); |
| EXPECT_EQ(actual_selection.end_page_index, |
| expected_selection.end_page_index); |
| EXPECT_EQ(actual_selection.end_char_index, |
| expected_selection.end_char_index); |
| } |
| } |
| |
| } // namespace chrome_pdf |
