| // Copyright 2017 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 "content/browser/accessibility/web_contents_accessibility_android.h" |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/jni_string.h" |
| #include "base/feature_list.h" |
| #include "base/macros.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "content/browser/accessibility/browser_accessibility_android.h" |
| #include "content/browser/accessibility/browser_accessibility_manager_android.h" |
| #include "content/browser/accessibility/browser_accessibility_state_impl.h" |
| #include "content/browser/accessibility/one_shot_accessibility_tree_search.h" |
| #include "content/browser/android/render_widget_host_connector.h" |
| #include "content/browser/renderer_host/render_widget_host_view_android.h" |
| #include "content/browser/web_contents/web_contents_impl.h" |
| #include "content/public/common/content_features.h" |
| #include "jni/WebContentsAccessibility_jni.h" |
| #include "ui/events/android/motion_event_android.h" |
| |
| using base::android::AttachCurrentThread; |
| using base::android::JavaParamRef; |
| using base::android::ScopedJavaLocalRef; |
| |
| namespace content { |
| |
| namespace { |
| |
| // IMPORTANT! |
| // These values are written to logs. Do not renumber or delete |
| // existing items; add new entries to the end of the list. |
| // |
| // Note: The string names for these enums must correspond with the names of |
| // constants from AccessibilityEvent and AccessibilityServiceInfo, defined |
| // below. For example, UMA_EVENT_ANNOUNCEMENT corresponds to |
| // ACCESSIBILITYEVENT_TYPE_ANNOUNCEMENT via the macro |
| // EVENT_TYPE_HISTOGRAM(event_type_mask, ANNOUNCEMENT). |
| enum { |
| UMA_CAPABILITY_CAN_CONTROL_MAGNIFICATION = 0, |
| UMA_CAPABILITY_CAN_PERFORM_GESTURES = 1, |
| UMA_CAPABILITY_CAN_REQUEST_ENHANCED_WEB_ACCESSIBILITY = 2, |
| UMA_CAPABILITY_CAN_REQUEST_FILTER_KEY_EVENTS = 3, |
| UMA_CAPABILITY_CAN_REQUEST_TOUCH_EXPLORATION = 4, |
| UMA_CAPABILITY_CAN_RETRIEVE_WINDOW_CONTENT = 5, |
| UMA_EVENT_ANNOUNCEMENT = 6, |
| UMA_EVENT_ASSIST_READING_CONTEXT = 7, |
| UMA_EVENT_GESTURE_DETECTION_END = 8, |
| UMA_EVENT_GESTURE_DETECTION_START = 9, |
| UMA_EVENT_NOTIFICATION_STATE_CHANGED = 10, |
| UMA_EVENT_TOUCH_EXPLORATION_GESTURE_END = 11, |
| UMA_EVENT_TOUCH_EXPLORATION_GESTURE_START = 12, |
| UMA_EVENT_TOUCH_INTERACTION_END = 13, |
| UMA_EVENT_TOUCH_INTERACTION_START = 14, |
| UMA_EVENT_VIEW_ACCESSIBILITY_FOCUSED = 15, |
| UMA_EVENT_VIEW_ACCESSIBILITY_FOCUS_CLEARED = 16, |
| UMA_EVENT_VIEW_CLICKED = 17, |
| UMA_EVENT_VIEW_CONTEXT_CLICKED = 18, |
| UMA_EVENT_VIEW_FOCUSED = 19, |
| UMA_EVENT_VIEW_HOVER_ENTER = 20, |
| UMA_EVENT_VIEW_HOVER_EXIT = 21, |
| UMA_EVENT_VIEW_LONG_CLICKED = 22, |
| UMA_EVENT_VIEW_SCROLLED = 23, |
| UMA_EVENT_VIEW_SELECTED = 24, |
| UMA_EVENT_VIEW_TEXT_CHANGED = 25, |
| UMA_EVENT_VIEW_TEXT_SELECTION_CHANGED = 26, |
| UMA_EVENT_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY = 27, |
| UMA_EVENT_WINDOWS_CHANGED = 28, |
| UMA_EVENT_WINDOW_CONTENT_CHANGED = 29, |
| UMA_EVENT_WINDOW_STATE_CHANGED = 30, |
| UMA_FEEDBACK_AUDIBLE = 31, |
| UMA_FEEDBACK_BRAILLE = 32, |
| UMA_FEEDBACK_GENERIC = 33, |
| UMA_FEEDBACK_HAPTIC = 34, |
| UMA_FEEDBACK_SPOKEN = 35, |
| UMA_FEEDBACK_VISUAL = 36, |
| UMA_FLAG_FORCE_DIRECT_BOOT_AWARE = 37, |
| UMA_FLAG_INCLUDE_NOT_IMPORTANT_VIEWS = 38, |
| UMA_FLAG_REPORT_VIEW_IDS = 39, |
| UMA_FLAG_REQUEST_ENHANCED_WEB_ACCESSIBILITY = 40, |
| UMA_FLAG_REQUEST_FILTER_KEY_EVENTS = 41, |
| UMA_FLAG_REQUEST_TOUCH_EXPLORATION_MODE = 42, |
| UMA_FLAG_RETRIEVE_INTERACTIVE_WINDOWS = 43, |
| |
| // This must always be the last enum. It's okay for its value to |
| // increase, but none of the other enum values may change. |
| UMA_ACCESSIBILITYSERVICEINFO_MAX |
| }; |
| |
| // These are constants from |
| // android.view.accessibility.AccessibilityEvent in Java. |
| // |
| // If you add a new constant, add a new UMA enum above and add a line |
| // to CollectStats(), below. |
| enum { |
| ACCESSIBILITYEVENT_TYPE_VIEW_CLICKED = 0x00000001, |
| ACCESSIBILITYEVENT_TYPE_VIEW_LONG_CLICKED = 0x00000002, |
| ACCESSIBILITYEVENT_TYPE_VIEW_SELECTED = 0x00000004, |
| ACCESSIBILITYEVENT_TYPE_VIEW_FOCUSED = 0x00000008, |
| ACCESSIBILITYEVENT_TYPE_VIEW_TEXT_CHANGED = 0x00000010, |
| ACCESSIBILITYEVENT_TYPE_WINDOW_STATE_CHANGED = 0x00000020, |
| ACCESSIBILITYEVENT_TYPE_NOTIFICATION_STATE_CHANGED = 0x00000040, |
| ACCESSIBILITYEVENT_TYPE_VIEW_HOVER_ENTER = 0x00000080, |
| ACCESSIBILITYEVENT_TYPE_VIEW_HOVER_EXIT = 0x00000100, |
| ACCESSIBILITYEVENT_TYPE_TOUCH_EXPLORATION_GESTURE_START = 0x00000200, |
| ACCESSIBILITYEVENT_TYPE_TOUCH_EXPLORATION_GESTURE_END = 0x00000400, |
| ACCESSIBILITYEVENT_TYPE_WINDOW_CONTENT_CHANGED = 0x00000800, |
| ACCESSIBILITYEVENT_TYPE_VIEW_SCROLLED = 0x00001000, |
| ACCESSIBILITYEVENT_TYPE_VIEW_TEXT_SELECTION_CHANGED = 0x00002000, |
| ACCESSIBILITYEVENT_TYPE_ANNOUNCEMENT = 0x00004000, |
| ACCESSIBILITYEVENT_TYPE_VIEW_ACCESSIBILITY_FOCUSED = 0x00008000, |
| ACCESSIBILITYEVENT_TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED = 0x00010000, |
| ACCESSIBILITYEVENT_TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY = |
| 0x00020000, |
| ACCESSIBILITYEVENT_TYPE_GESTURE_DETECTION_START = 0x00040000, |
| ACCESSIBILITYEVENT_TYPE_GESTURE_DETECTION_END = 0x00080000, |
| ACCESSIBILITYEVENT_TYPE_TOUCH_INTERACTION_START = 0x00100000, |
| ACCESSIBILITYEVENT_TYPE_TOUCH_INTERACTION_END = 0x00200000, |
| ACCESSIBILITYEVENT_TYPE_WINDOWS_CHANGED = 0x00400000, |
| ACCESSIBILITYEVENT_TYPE_VIEW_CONTEXT_CLICKED = 0x00800000, |
| ACCESSIBILITYEVENT_TYPE_ASSIST_READING_CONTEXT = 0x01000000, |
| }; |
| |
| // These are constants from |
| // android.accessibilityservice.AccessibilityServiceInfo in Java: |
| // |
| // If you add a new constant, add a new UMA enum above and add a line |
| // to CollectStats(), below. |
| enum { |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_CAN_RETRIEVE_WINDOW_CONTENT = 0x00000001, |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_CAN_REQUEST_TOUCH_EXPLORATION = |
| 0x00000002, |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_CAN_REQUEST_ENHANCED_WEB_ACCESSIBILITY = |
| 0x00000004, |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_CAN_REQUEST_FILTER_KEY_EVENTS = |
| 0x00000008, |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_CAN_CONTROL_MAGNIFICATION = 0x00000010, |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_CAN_PERFORM_GESTURES = 0x00000020, |
| ACCESSIBILITYSERVICEINFO_FEEDBACK_SPOKEN = 0x0000001, |
| ACCESSIBILITYSERVICEINFO_FEEDBACK_HAPTIC = 0x0000002, |
| ACCESSIBILITYSERVICEINFO_FEEDBACK_AUDIBLE = 0x0000004, |
| ACCESSIBILITYSERVICEINFO_FEEDBACK_VISUAL = 0x0000008, |
| ACCESSIBILITYSERVICEINFO_FEEDBACK_GENERIC = 0x0000010, |
| ACCESSIBILITYSERVICEINFO_FEEDBACK_BRAILLE = 0x0000020, |
| ACCESSIBILITYSERVICEINFO_FLAG_INCLUDE_NOT_IMPORTANT_VIEWS = 0x0000002, |
| ACCESSIBILITYSERVICEINFO_FLAG_REQUEST_TOUCH_EXPLORATION_MODE = 0x0000004, |
| ACCESSIBILITYSERVICEINFO_FLAG_REQUEST_ENHANCED_WEB_ACCESSIBILITY = 0x00000008, |
| ACCESSIBILITYSERVICEINFO_FLAG_REPORT_VIEW_IDS = 0x00000010, |
| ACCESSIBILITYSERVICEINFO_FLAG_REQUEST_FILTER_KEY_EVENTS = 0x00000020, |
| ACCESSIBILITYSERVICEINFO_FLAG_RETRIEVE_INTERACTIVE_WINDOWS = 0x00000040, |
| ACCESSIBILITYSERVICEINFO_FLAG_FORCE_DIRECT_BOOT_AWARE = 0x00010000, |
| }; |
| |
| // These macros simplify recording a histogram based on information we get |
| // from an AccessibilityService. There are four bitmasks of information |
| // we get from each AccessibilityService, and for each possible bit mask |
| // corresponding to one flag, we want to check if that flag is set, and if |
| // so, record the corresponding histogram. |
| // |
| // Doing this with macros reduces the chance for human error by |
| // recording the wrong histogram for the wrong flag. |
| // |
| // These macros are used by CollectStats(), below. |
| #define EVENT_TYPE_HISTOGRAM(event_type_mask, event_type) \ |
| if (event_type_mask & ACCESSIBILITYEVENT_TYPE_##event_type) \ |
| UMA_HISTOGRAM_ENUMERATION("Accessibility.AndroidServiceInfo", \ |
| UMA_EVENT_##event_type, \ |
| UMA_ACCESSIBILITYSERVICEINFO_MAX) |
| #define FLAGS_HISTOGRAM(flags_mask, flag) \ |
| if (flags_mask & ACCESSIBILITYSERVICEINFO_FLAG_##flag) \ |
| UMA_HISTOGRAM_ENUMERATION("Accessibility.AndroidServiceInfo", \ |
| UMA_FLAG_##flag, UMA_ACCESSIBILITYSERVICEINFO_MAX) |
| #define FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, feedback_type) \ |
| if (feedback_type_mask & ACCESSIBILITYSERVICEINFO_FEEDBACK_##feedback_type) \ |
| UMA_HISTOGRAM_ENUMERATION("Accessibility.AndroidServiceInfo", \ |
| UMA_FEEDBACK_##feedback_type, \ |
| UMA_ACCESSIBILITYSERVICEINFO_MAX) |
| #define CAPABILITY_TYPE_HISTOGRAM(capability_type_mask, capability_type) \ |
| if (capability_type_mask & \ |
| ACCESSIBILITYSERVICEINFO_CAPABILITY_##capability_type) \ |
| UMA_HISTOGRAM_ENUMERATION("Accessibility.AndroidServiceInfo", \ |
| UMA_CAPABILITY_##capability_type, \ |
| UMA_ACCESSIBILITYSERVICEINFO_MAX) |
| |
| using SearchKeyToPredicateMap = |
| base::hash_map<base::string16, AccessibilityMatchPredicate>; |
| base::LazyInstance<SearchKeyToPredicateMap>::DestructorAtExit |
| g_search_key_to_predicate_map = LAZY_INSTANCE_INITIALIZER; |
| base::LazyInstance<base::string16>::DestructorAtExit g_all_search_keys = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| bool SectionPredicate(BrowserAccessibility* start, BrowserAccessibility* node) { |
| switch (node->GetRole()) { |
| case ui::AX_ROLE_ARTICLE: |
| case ui::AX_ROLE_APPLICATION: |
| case ui::AX_ROLE_BANNER: |
| case ui::AX_ROLE_COMPLEMENTARY: |
| case ui::AX_ROLE_CONTENT_INFO: |
| case ui::AX_ROLE_HEADING: |
| case ui::AX_ROLE_MAIN: |
| case ui::AX_ROLE_NAVIGATION: |
| case ui::AX_ROLE_SEARCH: |
| case ui::AX_ROLE_REGION: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool AllInterestingNodesPredicate(BrowserAccessibility* start, |
| BrowserAccessibility* node) { |
| BrowserAccessibilityAndroid* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(node); |
| return android_node->IsInterestingOnAndroid(); |
| } |
| |
| void AddToPredicateMap(const char* search_key_ascii, |
| AccessibilityMatchPredicate predicate) { |
| base::string16 search_key_utf16 = base::ASCIIToUTF16(search_key_ascii); |
| g_search_key_to_predicate_map.Get()[search_key_utf16] = predicate; |
| if (!g_all_search_keys.Get().empty()) |
| g_all_search_keys.Get() += base::ASCIIToUTF16(","); |
| g_all_search_keys.Get() += search_key_utf16; |
| } |
| |
| // These are special unofficial strings sent from TalkBack/BrailleBack |
| // to jump to certain categories of web elements. |
| void InitSearchKeyToPredicateMapIfNeeded() { |
| if (!g_search_key_to_predicate_map.Get().empty()) |
| return; |
| |
| AddToPredicateMap("ARTICLE", AccessibilityArticlePredicate); |
| AddToPredicateMap("BUTTON", AccessibilityButtonPredicate); |
| AddToPredicateMap("CHECKBOX", AccessibilityCheckboxPredicate); |
| AddToPredicateMap("COMBOBOX", AccessibilityComboboxPredicate); |
| AddToPredicateMap("CONTROL", AccessibilityControlPredicate); |
| AddToPredicateMap("FOCUSABLE", AccessibilityFocusablePredicate); |
| AddToPredicateMap("FRAME", AccessibilityFramePredicate); |
| AddToPredicateMap("GRAPHIC", AccessibilityGraphicPredicate); |
| AddToPredicateMap("H1", AccessibilityH1Predicate); |
| AddToPredicateMap("H2", AccessibilityH2Predicate); |
| AddToPredicateMap("H3", AccessibilityH3Predicate); |
| AddToPredicateMap("H4", AccessibilityH4Predicate); |
| AddToPredicateMap("H5", AccessibilityH5Predicate); |
| AddToPredicateMap("H6", AccessibilityH6Predicate); |
| AddToPredicateMap("HEADING", AccessibilityHeadingPredicate); |
| AddToPredicateMap("LANDMARK", AccessibilityLandmarkPredicate); |
| AddToPredicateMap("LINK", AccessibilityLinkPredicate); |
| AddToPredicateMap("LIST", AccessibilityListPredicate); |
| AddToPredicateMap("LIST_ITEM", AccessibilityListItemPredicate); |
| AddToPredicateMap("MAIN", AccessibilityMainPredicate); |
| AddToPredicateMap("MEDIA", AccessibilityMediaPredicate); |
| AddToPredicateMap("RADIO", AccessibilityRadioButtonPredicate); |
| AddToPredicateMap("SECTION", SectionPredicate); |
| AddToPredicateMap("TABLE", AccessibilityTablePredicate); |
| AddToPredicateMap("TEXT_FIELD", AccessibilityTextfieldPredicate); |
| AddToPredicateMap("UNVISITED_LINK", AccessibilityUnvisitedLinkPredicate); |
| AddToPredicateMap("VISITED_LINK", AccessibilityVisitedLinkPredicate); |
| } |
| |
| AccessibilityMatchPredicate PredicateForSearchKey( |
| const base::string16& element_type) { |
| InitSearchKeyToPredicateMapIfNeeded(); |
| const auto& iter = g_search_key_to_predicate_map.Get().find(element_type); |
| if (iter != g_search_key_to_predicate_map.Get().end()) |
| return iter->second; |
| |
| // If we don't recognize the selector, return any element that a |
| // screen reader should navigate to. |
| return AllInterestingNodesPredicate; |
| } |
| |
| // The element in the document for which we may be displaying an autofill popup. |
| int32_t g_element_hosting_autofill_popup_unique_id = -1; |
| |
| // The element in the document that is the next element after |
| // |g_element_hosting_autofill_popup_unique_id|. |
| int32_t g_element_after_element_hosting_autofill_popup_unique_id = -1; |
| |
| // Autofill popup will not be part of the |AXTree| that is sent by renderer. |
| // Hence, we need a proxy |AXNode| to represent the autofill popup. |
| BrowserAccessibility* g_autofill_popup_proxy_node = nullptr; |
| ui::AXNode* g_autofill_popup_proxy_node_ax_node = nullptr; |
| |
| void DeleteAutofillPopupProxy() { |
| if (g_autofill_popup_proxy_node) { |
| g_autofill_popup_proxy_node->Destroy(); |
| delete g_autofill_popup_proxy_node_ax_node; |
| g_autofill_popup_proxy_node = nullptr; |
| } |
| } |
| |
| } // anonymous namespace |
| |
| class WebContentsAccessibilityAndroid::Connector |
| : public RenderWidgetHostConnector { |
| public: |
| Connector(WebContents* web_contents, |
| WebContentsAccessibilityAndroid* accessibility); |
| |
| // RendetWidgetHostConnector implementation. |
| void UpdateRenderProcessConnection( |
| RenderWidgetHostViewAndroid* old_rwhva, |
| RenderWidgetHostViewAndroid* new_rhwva) override; |
| |
| private: |
| std::unique_ptr<WebContentsAccessibilityAndroid> accessibility_; |
| }; |
| |
| WebContentsAccessibilityAndroid::Connector::Connector( |
| WebContents* web_contents, |
| WebContentsAccessibilityAndroid* accessibility) |
| : RenderWidgetHostConnector(web_contents), accessibility_(accessibility) { |
| Initialize(); |
| } |
| |
| void WebContentsAccessibilityAndroid::Connector::UpdateRenderProcessConnection( |
| RenderWidgetHostViewAndroid* old_rwhva, |
| RenderWidgetHostViewAndroid* new_rwhva) { |
| if (old_rwhva) |
| old_rwhva->set_web_contents_accessibility(nullptr); |
| if (new_rwhva) |
| new_rwhva->set_web_contents_accessibility(accessibility_.get()); |
| } |
| |
| WebContentsAccessibilityAndroid::WebContentsAccessibilityAndroid( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| WebContents* web_contents, |
| bool should_focus_on_page_load) |
| : java_ref_(env, obj), |
| web_contents_(static_cast<WebContentsImpl*>(web_contents)), |
| should_focus_on_page_load_(should_focus_on_page_load), |
| frame_info_initialized_(false), |
| root_manager_(nullptr), |
| connector_(new Connector(web_contents, this)) { |
| CollectStats(); |
| } |
| |
| WebContentsAccessibilityAndroid::~WebContentsAccessibilityAndroid() { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| |
| // Clean up autofill popup proxy node in case the popup was not dismissed. |
| DeleteAutofillPopupProxy(); |
| |
| Java_WebContentsAccessibility_onNativeObjectDestroyed(env, obj); |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::IsEnabled( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| return root_manager_ != nullptr; |
| } |
| |
| void WebContentsAccessibilityAndroid::Enable(JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| UpdateEnabledState(true); |
| } |
| |
| void WebContentsAccessibilityAndroid::UpdateEnabledState(bool enabled) { |
| BrowserAccessibilityStateImpl* accessibility_state = |
| BrowserAccessibilityStateImpl::GetInstance(); |
| if (enabled) { |
| auto* manager = static_cast<BrowserAccessibilityManagerAndroid*>( |
| web_contents_->GetRootBrowserAccessibilityManager()); |
| // First check if we already have a BrowserAccessibilityManager that |
| // that needs to be connected to this instance. This can happen if |
| // BAM creation precedes render view updates for the associated |
| // web contents. |
| if (manager) { |
| set_root_manager(manager); |
| manager->set_web_contents_accessibility(this); |
| return; |
| } |
| |
| // Otherwise, enable accessibility globally unless it was |
| // explicitly disallowed by a command-line flag, then enable it for |
| // this WebContents if that succeeded. |
| accessibility_state->OnScreenReaderDetected(); |
| if (accessibility_state->IsAccessibleBrowser()) |
| web_contents_->AddAccessibilityMode(kAccessibilityModeComplete); |
| } else { |
| // Note that disabling part is not useful at this moment since the mode will |
| // be enabled again almost immediately for the renderer process that just |
| // got swapped in. This boolean enable/disable logic will be expanded |
| // to allow for more granular accessibility. See https://crbug.com/428494. |
| accessibility_state->ResetAccessibilityMode(); |
| web_contents_->SetAccessibilityMode( |
| accessibility_state->accessibility_mode()); |
| } |
| } |
| |
| bool WebContentsAccessibilityAndroid::ShouldRespectDisplayedPasswordText() { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return false; |
| return Java_WebContentsAccessibility_shouldRespectDisplayedPasswordText(env, |
| obj); |
| } |
| |
| bool WebContentsAccessibilityAndroid::ShouldExposePasswordText() { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return false; |
| return Java_WebContentsAccessibility_shouldExposePasswordText(env, obj); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandlePageLoaded(int32_t unique_id) { |
| if (!should_focus_on_page_load_) |
| return; |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handlePageLoaded(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleContentChanged(int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleContentChanged(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleFocusChanged(int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleFocusChanged(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleCheckStateChanged( |
| int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleCheckStateChanged(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleClicked(int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleClicked(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleScrollPositionChanged( |
| int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleScrollPositionChanged(env, obj, |
| unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleScrolledToAnchor( |
| int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleScrolledToAnchor(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::AnnounceLiveRegionText( |
| const base::string16& text) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_announceLiveRegionText( |
| env, obj, base::android::ConvertUTF16ToJavaString(env, text)); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleTextSelectionChanged( |
| int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleTextSelectionChanged(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleEditableTextChanged( |
| int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleEditableTextChanged(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleSliderChanged(int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleSliderChanged(env, obj, unique_id); |
| } |
| |
| void WebContentsAccessibilityAndroid::SendDelayedWindowContentChangedEvent() { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_sendDelayedWindowContentChangedEvent(env, obj); |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleHover(int32_t unique_id) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleHover(env, obj, unique_id); |
| } |
| |
| bool WebContentsAccessibilityAndroid::OnHoverEvent( |
| const ui::MotionEventAndroid& event) { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return false; |
| |
| if (!Java_WebContentsAccessibility_onHoverEvent(env, obj, event.GetAction())) |
| return false; |
| |
| // |HitTest| sends an IPC to the render process to do the hit testing. |
| // The response is handled by HandleHover when it returns. |
| // Hover event was consumed by accessibility by now. Return true to |
| // stop the event from proceeding. |
| if (event.GetAction() != ui::MotionEvent::ACTION_HOVER_EXIT && root_manager_) |
| root_manager_->HitTest(gfx::ToFlooredPoint(event.GetPoint())); |
| return true; |
| } |
| |
| void WebContentsAccessibilityAndroid::HandleNavigate() { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| Java_WebContentsAccessibility_handleNavigate(env, obj); |
| } |
| |
| base::android::ScopedJavaLocalRef<jstring> |
| WebContentsAccessibilityAndroid::GetSupportedHtmlElementTypes( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| InitSearchKeyToPredicateMapIfNeeded(); |
| return base::android::ConvertUTF16ToJavaString(env, g_all_search_keys.Get()); |
| } |
| |
| jint WebContentsAccessibilityAndroid::GetRootId( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| if (root_manager_) { |
| auto* root = |
| static_cast<BrowserAccessibilityAndroid*>(root_manager_->GetRoot()); |
| if (root) |
| return static_cast<jint>(root->unique_id()); |
| } |
| return -1; |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::IsNodeValid( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| return GetAXFromUniqueID(unique_id) != NULL; |
| } |
| |
| void WebContentsAccessibilityAndroid::HitTest(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint x, |
| jint y) { |
| if (root_manager_) |
| root_manager_->HitTest(gfx::Point(x, y)); |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::IsEditableText( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| return node->IsEditableText(); |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::IsFocused( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| return node->IsFocused(); |
| } |
| |
| jint WebContentsAccessibilityAndroid::GetEditableTextSelectionStart( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| return node->GetIntAttribute(ui::AX_ATTR_TEXT_SEL_START); |
| } |
| |
| jint WebContentsAccessibilityAndroid::GetEditableTextSelectionEnd( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| return node->GetIntAttribute(ui::AX_ATTR_TEXT_SEL_END); |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::PopulateAccessibilityNodeInfo( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| const JavaParamRef<jobject>& info, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| if (node->PlatformGetParent()) { |
| auto* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(node->PlatformGetParent()); |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoParent( |
| env, obj, info, android_node->unique_id()); |
| } |
| for (unsigned i = 0; i < node->PlatformChildCount(); ++i) { |
| auto* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(node->PlatformGetChild(i)); |
| Java_WebContentsAccessibility_addAccessibilityNodeInfoChild( |
| env, obj, info, android_node->unique_id()); |
| } |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoBooleanAttributes( |
| env, obj, info, unique_id, node->IsCheckable(), node->IsChecked(), |
| node->IsClickable(), node->IsEnabled(), node->IsFocusable(), |
| node->IsFocused(), node->IsPassword(), node->IsScrollable(), |
| node->IsSelected(), node->IsVisibleToUser()); |
| Java_WebContentsAccessibility_addAccessibilityNodeInfoActions( |
| env, obj, info, unique_id, node->CanScrollForward(), |
| node->CanScrollBackward(), node->CanScrollUp(), node->CanScrollDown(), |
| node->CanScrollLeft(), node->CanScrollRight(), node->IsClickable(), |
| node->IsEditableText(), node->IsEnabled(), node->IsFocusable(), |
| node->IsFocused(), node->IsCollapsed(), node->IsExpanded(), |
| node->HasNonEmptyValue()); |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoClassName( |
| env, obj, info, |
| base::android::ConvertUTF8ToJavaString(env, node->GetClassName())); |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoText( |
| env, obj, info, |
| base::android::ConvertUTF16ToJavaString(env, node->GetText()), |
| node->IsLink(), node->IsEditableText(), |
| base::android::ConvertUTF16ToJavaString( |
| env, node->GetInheritedString16Attribute(ui::AX_ATTR_LANGUAGE))); |
| base::string16 element_id; |
| if (node->GetHtmlAttribute("id", &element_id)) { |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoViewIdResourceName( |
| env, obj, info, |
| base::android::ConvertUTF16ToJavaString(env, element_id)); |
| } |
| |
| gfx::Rect absolute_rect = node->GetPageBoundsRect(); |
| gfx::Rect parent_relative_rect = absolute_rect; |
| if (node->PlatformGetParent()) { |
| gfx::Rect parent_rect = node->PlatformGetParent()->GetPageBoundsRect(); |
| parent_relative_rect.Offset(-parent_rect.OffsetFromOrigin()); |
| } |
| bool is_root = node->PlatformGetParent() == NULL; |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoLocation( |
| env, obj, info, unique_id, absolute_rect.x(), absolute_rect.y(), |
| parent_relative_rect.x(), parent_relative_rect.y(), absolute_rect.width(), |
| absolute_rect.height(), is_root); |
| |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoKitKatAttributes( |
| env, obj, info, is_root, node->IsEditableText(), |
| base::android::ConvertUTF16ToJavaString(env, node->GetRoleDescription()), |
| node->GetIntAttribute(ui::AX_ATTR_TEXT_SEL_START), |
| node->GetIntAttribute(ui::AX_ATTR_TEXT_SEL_END)); |
| |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoLollipopAttributes( |
| env, obj, info, node->CanOpenPopup(), node->IsContentInvalid(), |
| node->IsDismissable(), node->IsMultiLine(), node->AndroidInputType(), |
| node->AndroidLiveRegionType()); |
| if (node->IsCollection()) { |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoCollectionInfo( |
| env, obj, info, node->RowCount(), node->ColumnCount(), |
| node->IsHierarchical()); |
| } |
| if (node->IsCollectionItem() || node->IsHeading()) { |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoCollectionItemInfo( |
| env, obj, info, node->RowIndex(), node->RowSpan(), node->ColumnIndex(), |
| node->ColumnSpan(), node->IsHeading()); |
| } |
| if (node->IsRangeType()) { |
| Java_WebContentsAccessibility_setAccessibilityNodeInfoRangeInfo( |
| env, obj, info, node->AndroidRangeType(), node->RangeMin(), |
| node->RangeMax(), node->RangeCurrentValue()); |
| } |
| |
| return true; |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::PopulateAccessibilityEvent( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| const JavaParamRef<jobject>& event, |
| jint unique_id, |
| jint event_type) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| Java_WebContentsAccessibility_setAccessibilityEventBooleanAttributes( |
| env, obj, event, node->IsChecked(), node->IsEnabled(), node->IsPassword(), |
| node->IsScrollable()); |
| Java_WebContentsAccessibility_setAccessibilityEventClassName( |
| env, obj, event, |
| base::android::ConvertUTF8ToJavaString(env, node->GetClassName())); |
| Java_WebContentsAccessibility_setAccessibilityEventListAttributes( |
| env, obj, event, node->GetItemIndex(), node->GetItemCount()); |
| Java_WebContentsAccessibility_setAccessibilityEventScrollAttributes( |
| env, obj, event, node->GetScrollX(), node->GetScrollY(), |
| node->GetMaxScrollX(), node->GetMaxScrollY()); |
| |
| switch (event_type) { |
| case ANDROID_ACCESSIBILITY_EVENT_TEXT_CHANGED: { |
| base::string16 before_text = node->GetTextChangeBeforeText(); |
| base::string16 text = node->GetText(); |
| Java_WebContentsAccessibility_setAccessibilityEventTextChangedAttrs( |
| env, obj, event, node->GetTextChangeFromIndex(), |
| node->GetTextChangeAddedCount(), node->GetTextChangeRemovedCount(), |
| base::android::ConvertUTF16ToJavaString(env, before_text), |
| base::android::ConvertUTF16ToJavaString(env, text)); |
| break; |
| } |
| case ANDROID_ACCESSIBILITY_EVENT_TEXT_SELECTION_CHANGED: { |
| base::string16 text = node->GetText(); |
| Java_WebContentsAccessibility_setAccessibilityEventSelectionAttrs( |
| env, obj, event, node->GetSelectionStart(), node->GetSelectionEnd(), |
| node->GetEditableTextLength(), |
| base::android::ConvertUTF16ToJavaString(env, text)); |
| break; |
| } |
| default: |
| break; |
| } |
| |
| Java_WebContentsAccessibility_setAccessibilityEventLollipopAttributes( |
| env, obj, event, node->CanOpenPopup(), node->IsContentInvalid(), |
| node->IsDismissable(), node->IsMultiLine(), node->AndroidInputType(), |
| node->AndroidLiveRegionType()); |
| if (node->IsCollection()) { |
| Java_WebContentsAccessibility_setAccessibilityEventCollectionInfo( |
| env, obj, event, node->RowCount(), node->ColumnCount(), |
| node->IsHierarchical()); |
| } |
| if (node->IsHeading()) { |
| Java_WebContentsAccessibility_setAccessibilityEventHeadingFlag(env, obj, |
| event, true); |
| } |
| if (node->IsCollectionItem()) { |
| Java_WebContentsAccessibility_setAccessibilityEventCollectionItemInfo( |
| env, obj, event, node->RowIndex(), node->RowSpan(), node->ColumnIndex(), |
| node->ColumnSpan()); |
| } |
| if (node->IsRangeType()) { |
| Java_WebContentsAccessibility_setAccessibilityEventRangeInfo( |
| env, obj, event, node->AndroidRangeType(), node->RangeMin(), |
| node->RangeMax(), node->RangeCurrentValue()); |
| } |
| |
| return true; |
| } |
| |
| void WebContentsAccessibilityAndroid::Click(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) |
| node->manager()->DoDefaultAction(*node); |
| } |
| |
| void WebContentsAccessibilityAndroid::Focus(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) |
| node->manager()->SetFocus(*node); |
| } |
| |
| void WebContentsAccessibilityAndroid::Blur(JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| if (root_manager_) |
| root_manager_->SetFocus(*root_manager_->GetRoot()); |
| } |
| |
| void WebContentsAccessibilityAndroid::ScrollToMakeNodeVisible( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) |
| node->manager()->ScrollToMakeVisible( |
| *node, gfx::Rect(node->GetFrameBoundsRect().size())); |
| } |
| |
| void WebContentsAccessibilityAndroid::SetTextFieldValue( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id, |
| const JavaParamRef<jstring>& value) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) { |
| node->manager()->SetValue( |
| *node, base::android::ConvertJavaStringToUTF16(env, value)); |
| } |
| } |
| |
| void WebContentsAccessibilityAndroid::SetSelection( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id, |
| jint start, |
| jint end) { |
| using AXPlatformPositionInstance = AXPlatformPosition::AXPositionInstance; |
| using AXPlatformRange = ui::AXRange<AXPlatformPositionInstance::element_type>; |
| |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) { |
| node->manager()->SetSelection(AXPlatformRange(node->CreatePositionAt(start), |
| node->CreatePositionAt(end))); |
| } |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::AdjustSlider( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id, |
| jboolean increment) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| BrowserAccessibilityAndroid* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(node); |
| |
| if (!android_node->IsSlider() || !android_node->IsEnabled()) |
| return false; |
| |
| float value = node->GetFloatAttribute(ui::AX_ATTR_VALUE_FOR_RANGE); |
| float min = node->GetFloatAttribute(ui::AX_ATTR_MIN_VALUE_FOR_RANGE); |
| float max = node->GetFloatAttribute(ui::AX_ATTR_MAX_VALUE_FOR_RANGE); |
| if (max <= min) |
| return false; |
| |
| // To behave similarly to an Android SeekBar, move by an increment of |
| // approximately 20%. |
| float original_value = value; |
| float delta = (max - min) / 5.0f; |
| value += (increment ? delta : -delta); |
| value = std::max(std::min(value, max), min); |
| if (value != original_value) { |
| node->manager()->SetValue(*node, |
| base::UTF8ToUTF16(base::DoubleToString(value))); |
| return true; |
| } |
| return false; |
| } |
| |
| void WebContentsAccessibilityAndroid::ShowContextMenu( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) |
| node->manager()->ShowContextMenu(*node); |
| } |
| |
| jint WebContentsAccessibilityAndroid::FindElementType( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint start_id, |
| const JavaParamRef<jstring>& element_type_str, |
| jboolean forwards) { |
| BrowserAccessibilityAndroid* start_node = GetAXFromUniqueID(start_id); |
| if (!start_node) |
| return 0; |
| |
| if (!root_manager_) |
| return 0; |
| |
| BrowserAccessibility* root = root_manager_->GetRoot(); |
| if (!root) |
| return 0; |
| |
| AccessibilityMatchPredicate predicate = PredicateForSearchKey( |
| base::android::ConvertJavaStringToUTF16(env, element_type_str)); |
| |
| OneShotAccessibilityTreeSearch tree_search(root); |
| tree_search.SetStartNode(start_node); |
| tree_search.SetDirection(forwards |
| ? OneShotAccessibilityTreeSearch::FORWARDS |
| : OneShotAccessibilityTreeSearch::BACKWARDS); |
| tree_search.SetResultLimit(1); |
| tree_search.SetImmediateDescendantsOnly(false); |
| tree_search.SetVisibleOnly(false); |
| tree_search.AddPredicate(predicate); |
| |
| if (tree_search.CountMatches() == 0) |
| return 0; |
| |
| auto* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(tree_search.GetMatchAtIndex(0)); |
| int32_t element_id = android_node->unique_id(); |
| |
| // Navigate forwards to the autofill popup's proxy node if focus is currently |
| // on the element hosting the autofill popup. Once within the popup, a back |
| // press will navigate back to the element hosting the popup. If user swipes |
| // past last suggestion in the popup, or swipes left from the first suggestion |
| // in the popup, we will navigate to the element that is the next element in |
| // the document after the element hosting the popup. |
| if (forwards && start_id == g_element_hosting_autofill_popup_unique_id && |
| g_autofill_popup_proxy_node) { |
| g_element_after_element_hosting_autofill_popup_unique_id = element_id; |
| auto* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(g_autofill_popup_proxy_node); |
| return android_node->unique_id(); |
| } |
| |
| return element_id; |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::NextAtGranularity( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint granularity, |
| jboolean extend_selection, |
| jint unique_id, |
| jint cursor_index) { |
| if (!root_manager_) |
| return false; |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| jint start_index = -1; |
| int end_index = -1; |
| if (root_manager_->NextAtGranularity(granularity, cursor_index, node, |
| &start_index, &end_index)) { |
| base::string16 text = node->GetText(); |
| Java_WebContentsAccessibility_finishGranularityMove( |
| env, obj, base::android::ConvertUTF16ToJavaString(env, text), |
| extend_selection, start_index, end_index, true); |
| return true; |
| } |
| return false; |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::PreviousAtGranularity( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint granularity, |
| jboolean extend_selection, |
| jint unique_id, |
| jint cursor_index) { |
| if (!root_manager_) |
| return false; |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| jint start_index = -1; |
| int end_index = -1; |
| if (root_manager_->PreviousAtGranularity(granularity, cursor_index, node, |
| &start_index, &end_index)) { |
| Java_WebContentsAccessibility_finishGranularityMove( |
| env, obj, base::android::ConvertUTF16ToJavaString(env, node->GetText()), |
| extend_selection, start_index, end_index, false); |
| return true; |
| } |
| return false; |
| } |
| |
| void WebContentsAccessibilityAndroid::SetAccessibilityFocus( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (node) |
| node->manager()->SetAccessibilityFocus(*node); |
| } |
| |
| bool WebContentsAccessibilityAndroid::IsSlider(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| return node->GetRole() == ui::AX_ROLE_SLIDER; |
| } |
| |
| void WebContentsAccessibilityAndroid::OnAutofillPopupDisplayed( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| if (!root_manager_ || |
| !base::FeatureList::IsEnabled(features::kAndroidAutofillAccessibility)) |
| return; |
| |
| BrowserAccessibility* current_focus = root_manager_->GetFocus(); |
| if (current_focus == nullptr) { |
| return; |
| } |
| |
| DeleteAutofillPopupProxy(); |
| |
| g_autofill_popup_proxy_node = BrowserAccessibility::Create(); |
| g_autofill_popup_proxy_node_ax_node = new ui::AXNode(nullptr, -1, -1); |
| ui::AXNodeData ax_node_data; |
| ax_node_data.role = ui::AX_ROLE_MENU; |
| ax_node_data.SetName("Autofill"); |
| ax_node_data.AddIntAttribute(ui::AX_ATTR_RESTRICTION, |
| ui::AX_RESTRICTION_READ_ONLY); |
| ax_node_data.AddState(ui::AX_STATE_FOCUSABLE); |
| ax_node_data.AddState(ui::AX_STATE_SELECTABLE); |
| g_autofill_popup_proxy_node_ax_node->SetData(ax_node_data); |
| g_autofill_popup_proxy_node->Init(root_manager_, |
| g_autofill_popup_proxy_node_ax_node); |
| |
| auto* android_node = static_cast<BrowserAccessibilityAndroid*>(current_focus); |
| |
| g_element_hosting_autofill_popup_unique_id = android_node->unique_id(); |
| } |
| |
| void WebContentsAccessibilityAndroid::OnAutofillPopupDismissed( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| g_element_hosting_autofill_popup_unique_id = -1; |
| g_element_after_element_hosting_autofill_popup_unique_id = -1; |
| DeleteAutofillPopupProxy(); |
| } |
| |
| jint WebContentsAccessibilityAndroid:: |
| GetIdForElementAfterElementHostingAutofillPopup( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj) { |
| if (!base::FeatureList::IsEnabled(features::kAndroidAutofillAccessibility) || |
| g_element_after_element_hosting_autofill_popup_unique_id == -1 || |
| GetAXFromUniqueID( |
| g_element_after_element_hosting_autofill_popup_unique_id) == nullptr) |
| return 0; |
| |
| return g_element_after_element_hosting_autofill_popup_unique_id; |
| } |
| |
| jboolean WebContentsAccessibilityAndroid::IsAutofillPopupNode( |
| JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id) { |
| auto* android_node = |
| static_cast<BrowserAccessibilityAndroid*>(g_autofill_popup_proxy_node); |
| |
| return g_autofill_popup_proxy_node && android_node->unique_id() == unique_id; |
| } |
| |
| bool WebContentsAccessibilityAndroid::Scroll(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| jint unique_id, |
| int direction) { |
| BrowserAccessibilityAndroid* node = GetAXFromUniqueID(unique_id); |
| if (!node) |
| return false; |
| |
| return node->Scroll(direction); |
| } |
| |
| BrowserAccessibilityAndroid* WebContentsAccessibilityAndroid::GetAXFromUniqueID( |
| int32_t unique_id) { |
| return static_cast<BrowserAccessibilityAndroid*>( |
| BrowserAccessibilityAndroid::GetFromUniqueId(unique_id)); |
| } |
| |
| void WebContentsAccessibilityAndroid::UpdateFrameInfo() { |
| if (frame_info_initialized_) |
| return; |
| |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| |
| Java_WebContentsAccessibility_notifyFrameInfoInitialized(env, obj); |
| frame_info_initialized_ = true; |
| } |
| |
| void WebContentsAccessibilityAndroid::CollectStats() { |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); |
| if (obj.is_null()) |
| return; |
| |
| int event_type_mask = |
| Java_WebContentsAccessibility_getAccessibilityServiceEventTypeMask(env, |
| obj); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, ANNOUNCEMENT); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, ASSIST_READING_CONTEXT); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, GESTURE_DETECTION_END); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, GESTURE_DETECTION_START); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, NOTIFICATION_STATE_CHANGED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, TOUCH_EXPLORATION_GESTURE_END); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, TOUCH_EXPLORATION_GESTURE_START); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, TOUCH_INTERACTION_END); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, TOUCH_INTERACTION_START); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_ACCESSIBILITY_FOCUSED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_ACCESSIBILITY_FOCUS_CLEARED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_CLICKED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_CONTEXT_CLICKED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_FOCUSED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_HOVER_ENTER); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_HOVER_EXIT); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_LONG_CLICKED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_SCROLLED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_SELECTED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_TEXT_CHANGED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, VIEW_TEXT_SELECTION_CHANGED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, |
| VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, WINDOWS_CHANGED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, WINDOW_CONTENT_CHANGED); |
| EVENT_TYPE_HISTOGRAM(event_type_mask, WINDOW_STATE_CHANGED); |
| |
| int feedback_type_mask = |
| Java_WebContentsAccessibility_getAccessibilityServiceFeedbackTypeMask( |
| env, obj); |
| FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, SPOKEN); |
| FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, HAPTIC); |
| FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, AUDIBLE); |
| FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, VISUAL); |
| FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, GENERIC); |
| FEEDBACK_TYPE_HISTOGRAM(feedback_type_mask, BRAILLE); |
| |
| int flags_mask = |
| Java_WebContentsAccessibility_getAccessibilityServiceFlagsMask(env, obj); |
| FLAGS_HISTOGRAM(flags_mask, INCLUDE_NOT_IMPORTANT_VIEWS); |
| FLAGS_HISTOGRAM(flags_mask, REQUEST_TOUCH_EXPLORATION_MODE); |
| FLAGS_HISTOGRAM(flags_mask, REQUEST_ENHANCED_WEB_ACCESSIBILITY); |
| FLAGS_HISTOGRAM(flags_mask, REPORT_VIEW_IDS); |
| FLAGS_HISTOGRAM(flags_mask, REQUEST_FILTER_KEY_EVENTS); |
| FLAGS_HISTOGRAM(flags_mask, RETRIEVE_INTERACTIVE_WINDOWS); |
| FLAGS_HISTOGRAM(flags_mask, FORCE_DIRECT_BOOT_AWARE); |
| |
| int capabilities_mask = |
| Java_WebContentsAccessibility_getAccessibilityServiceCapabilitiesMask( |
| env, obj); |
| CAPABILITY_TYPE_HISTOGRAM(capabilities_mask, CAN_RETRIEVE_WINDOW_CONTENT); |
| CAPABILITY_TYPE_HISTOGRAM(capabilities_mask, CAN_REQUEST_TOUCH_EXPLORATION); |
| CAPABILITY_TYPE_HISTOGRAM(capabilities_mask, |
| CAN_REQUEST_ENHANCED_WEB_ACCESSIBILITY); |
| CAPABILITY_TYPE_HISTOGRAM(capabilities_mask, CAN_REQUEST_FILTER_KEY_EVENTS); |
| CAPABILITY_TYPE_HISTOGRAM(capabilities_mask, CAN_CONTROL_MAGNIFICATION); |
| CAPABILITY_TYPE_HISTOGRAM(capabilities_mask, CAN_PERFORM_GESTURES); |
| } |
| |
| bool RegisterWebContentsAccessibilityAndroid(JNIEnv* env) { |
| return RegisterNativesImpl(env); |
| } |
| |
| jlong Init(JNIEnv* env, |
| const JavaParamRef<jobject>& obj, |
| const JavaParamRef<jobject>& jweb_contents, |
| jboolean should_focus_on_page_load) { |
| WebContents* web_contents = WebContents::FromJavaWebContents(jweb_contents); |
| DCHECK(web_contents); |
| |
| return reinterpret_cast<intptr_t>(new WebContentsAccessibilityAndroid( |
| env, obj, web_contents, should_focus_on_page_load)); |
| } |
| |
| } // namespace content |