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chromium / chromium / src / 2b23f3c441eb527b9293f34bfcc6057ad5c128c6 / . / third_party / blink / renderer / core / testing / internals.cc
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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/testing/internals.h"
#include <memory>
#include "base/macros.h"
#include "base/optional.h"
#include "cc/layers/picture_layer.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "third_party/blink/public/mojom/devtools/inspector_issue.mojom-blink.h"
#include "third_party/blink/public/mojom/favicon/favicon_url.mojom-blink.h"
#include "third_party/blink/public/mojom/input/focus_type.mojom-blink.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/web_graphics_context_3d_provider.h"
#include "third_party/blink/public/web/web_device_emulation_params.h"
#include "third_party/blink/renderer/bindings/core/v8/script_function.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_iterator_result_value.h"
#include "third_party/blink/renderer/core/animation/document_timeline.h"
#include "third_party/blink/renderer/core/css/css_property_names.h"
#include "third_party/blink/renderer/core/css/properties/css_unresolved_property.h"
#include "third_party/blink/renderer/core/css/select_rule_feature_set.h"
#include "third_party/blink/renderer/core/css/style_engine.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_node_ids.h"
#include "third_party/blink/renderer/core/dom/dom_string_list.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/flat_tree_traversal.h"
#include "third_party/blink/renderer/core/dom/iterator.h"
#include "third_party/blink/renderer/core/dom/node_computed_style.h"
#include "third_party/blink/renderer/core/dom/pseudo_element.h"
#include "third_party/blink/renderer/core/dom/range.h"
#include "third_party/blink/renderer/core/dom/shadow_root.h"
#include "third_party/blink/renderer/core/dom/shadow_root_v0.h"
#include "third_party/blink/renderer/core/dom/static_node_list.h"
#include "third_party/blink/renderer/core/dom/tree_scope.h"
#include "third_party/blink/renderer/core/editing/drag_caret.h"
#include "third_party/blink/renderer/core/editing/editor.h"
#include "third_party/blink/renderer/core/editing/ephemeral_range.h"
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/editing/iterators/text_iterator.h"
#include "third_party/blink/renderer/core/editing/markers/document_marker.h"
#include "third_party/blink/renderer/core/editing/markers/document_marker_controller.h"
#include "third_party/blink/renderer/core/editing/markers/spell_check_marker.h"
#include "third_party/blink/renderer/core/editing/markers/suggestion_marker_properties.h"
#include "third_party/blink/renderer/core/editing/markers/text_match_marker.h"
#include "third_party/blink/renderer/core/editing/plain_text_range.h"
#include "third_party/blink/renderer/core/editing/selection_template.h"
#include "third_party/blink/renderer/core/editing/serializers/serialization.h"
#include "third_party/blink/renderer/core/editing/spellcheck/idle_spell_check_controller.h"
#include "third_party/blink/renderer/core/editing/spellcheck/spell_check_requester.h"
#include "third_party/blink/renderer/core/editing/spellcheck/spell_checker.h"
#include "third_party/blink/renderer/core/exported/web_view_impl.h"
#include "third_party/blink/renderer/core/frame/event_handler_registry.h"
#include "third_party/blink/renderer/core/frame/frame_console.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame_client.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/frame/performance_monitor.h"
#include "third_party/blink/renderer/core/frame/remote_dom_window.h"
#include "third_party/blink/renderer/core/frame/settings.h"
#include "third_party/blink/renderer/core/frame/visual_viewport.h"
#include "third_party/blink/renderer/core/geometry/dom_point.h"
#include "third_party/blink/renderer/core/geometry/dom_rect.h"
#include "third_party/blink/renderer/core/geometry/dom_rect_list.h"
#include "third_party/blink/renderer/core/html/canvas/canvas_font_cache.h"
#include "third_party/blink/renderer/core/html/canvas/canvas_rendering_context.h"
#include "third_party/blink/renderer/core/html/custom/custom_element.h"
#include "third_party/blink/renderer/core/html/forms/form_controller.h"
#include "third_party/blink/renderer/core/html/forms/html_input_element.h"
#include "third_party/blink/renderer/core/html/forms/html_select_element.h"
#include "third_party/blink/renderer/core/html/forms/html_text_area_element.h"
#include "third_party/blink/renderer/core/html/forms/text_control_inner_elements.h"
#include "third_party/blink/renderer/core/html/html_content_element.h"
#include "third_party/blink/renderer/core/html/html_iframe_element.h"
#include "third_party/blink/renderer/core/html/html_image_element.h"
#include "third_party/blink/renderer/core/html/media/html_media_element.h"
#include "third_party/blink/renderer/core/html/media/html_video_element.h"
#include "third_party/blink/renderer/core/html/media/remote_playback_controller.h"
#include "third_party/blink/renderer/core/html/shadow/shadow_element_names.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/input/event_handler.h"
#include "third_party/blink/renderer/core/input/keyboard_event_manager.h"
#include "third_party/blink/renderer/core/inspector/inspector_issue.h"
#include "third_party/blink/renderer/core/inspector/main_thread_debugger.h"
#include "third_party/blink/renderer/core/intersection_observer/intersection_observer.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/layout/layout_tree_as_text.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/loader/document_loader.h"
#include "third_party/blink/renderer/core/loader/frame_loader.h"
#include "third_party/blink/renderer/core/loader/history_item.h"
#include "third_party/blink/renderer/core/page/chrome_client.h"
#include "third_party/blink/renderer/core/page/focus_controller.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/core/page/print_context.h"
#include "third_party/blink/renderer/core/page/scrolling/root_scroller_controller.h"
#include "third_party/blink/renderer/core/page/scrolling/scroll_state.h"
#include "third_party/blink/renderer/core/page/scrolling/scrolling_coordinator_context.h"
#include "third_party/blink/renderer/core/page/spatial_navigation_controller.h"
#include "third_party/blink/renderer/core/page/validation_message_client.h"
#include "third_party/blink/renderer/core/page/viewport_description.h"
#include "third_party/blink/renderer/core/paint/compositing/composited_layer_mapping.h"
#include "third_party/blink/renderer/core/paint/compositing/graphics_layer_tree_as_text.h"
#include "third_party/blink/renderer/core/paint/compositing/paint_layer_compositor.h"
#include "third_party/blink/renderer/core/paint/paint_layer.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/core/probe/core_probes.h"
#include "third_party/blink/renderer/core/script/import_map.h"
#include "third_party/blink/renderer/core/script/modulator.h"
#include "third_party/blink/renderer/core/scroll/programmatic_scroll_animator.h"
#include "third_party/blink/renderer/core/scroll/scroll_animator_base.h"
#include "third_party/blink/renderer/core/scroll/scrollbar_theme.h"
#include "third_party/blink/renderer/core/style_property_shorthand.h"
#include "third_party/blink/renderer/core/svg/svg_image_element.h"
#include "third_party/blink/renderer/core/svg_names.h"
#include "third_party/blink/renderer/core/testing/callback_function_test.h"
#include "third_party/blink/renderer/core/testing/dictionary_test.h"
#include "third_party/blink/renderer/core/testing/gc_observation.h"
#include "third_party/blink/renderer/core/testing/hit_test_layer_rect.h"
#include "third_party/blink/renderer/core/testing/hit_test_layer_rect_list.h"
#include "third_party/blink/renderer/core/testing/internal_runtime_flags.h"
#include "third_party/blink/renderer/core/testing/internal_settings.h"
#include "third_party/blink/renderer/core/testing/mock_hyphenation.h"
#include "third_party/blink/renderer/core/testing/origin_trials_test.h"
#include "third_party/blink/renderer/core/testing/record_test.h"
#include "third_party/blink/renderer/core/testing/scoped_mock_overlay_scrollbars.h"
#include "third_party/blink/renderer/core/testing/sequence_test.h"
#include "third_party/blink/renderer/core/testing/static_selection.h"
#include "third_party/blink/renderer/core/testing/type_conversions.h"
#include "third_party/blink/renderer/core/testing/union_types_test.h"
#include "third_party/blink/renderer/core/timezone/timezone_controller.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer.h"
#include "third_party/blink/renderer/core/workers/worker_thread.h"
#include "third_party/blink/renderer/platform/bindings/exception_messages.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/v8_throw_exception.h"
#include "third_party/blink/renderer/platform/geometry/int_rect.h"
#include "third_party/blink/renderer/platform/geometry/layout_rect.h"
#include "third_party/blink/renderer/platform/graphics/compositing/paint_artifact_compositor.h"
#include "third_party/blink/renderer/platform/graphics/graphics_layer.h"
#include "third_party/blink/renderer/platform/graphics/paint/raster_invalidation_tracking.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/instrumentation/instance_counters.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
#include "third_party/blink/renderer/platform/language.h"
#include "third_party/blink/renderer/platform/loader/fetch/memory_cache.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_load_priority.h"
#include "third_party/blink/renderer/platform/network/network_state_notifier.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
#include "third_party/blink/renderer/platform/testing/url_test_helpers.h"
#include "third_party/blink/renderer/platform/text/layout_locale.h"
#include "third_party/blink/renderer/platform/weborigin/scheme_registry.h"
#include "third_party/blink/renderer/platform/wtf/dtoa.h"
#include "third_party/blink/renderer/platform/wtf/text/string_buffer.h"
#include "third_party/blink/renderer/platform/wtf/text/text_encoding_registry.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/mojom/cursor_type.mojom-blink.h"
#include "ui/base/ui_base_features.h"
#include "v8/include/v8.h"
namespace blink {
using ui::mojom::ImeTextSpanThickness;
using ui::mojom::ImeTextSpanUnderlineStyle;
namespace {
class UseCounterHelperObserverImpl final : public UseCounterHelper::Observer {
public:
UseCounterHelperObserverImpl(ScriptPromiseResolver* resolver,
WebFeature feature)
: resolver_(resolver), feature_(feature) {}
bool OnCountFeature(WebFeature feature) final {
if (feature_ != feature)
return false;
resolver_->Resolve(static_cast<int>(feature));
return true;
}
void Trace(Visitor* visitor) override {
UseCounterHelper::Observer::Trace(visitor);
visitor->Trace(resolver_);
}
private:
Member<ScriptPromiseResolver> resolver_;
WebFeature feature_;
DISALLOW_COPY_AND_ASSIGN(UseCounterHelperObserverImpl);
};
} // namespace
static base::Optional<DocumentMarker::MarkerType> MarkerTypeFrom(
const String& marker_type) {
if (DeprecatedEqualIgnoringCase(marker_type, "Spelling"))
return DocumentMarker::kSpelling;
if (EqualIgnoringASCIICase(marker_type, "Grammar"))
return DocumentMarker::kGrammar;
if (EqualIgnoringASCIICase(marker_type, "TextMatch"))
return DocumentMarker::kTextMatch;
if (DeprecatedEqualIgnoringCase(marker_type, "Composition"))
return DocumentMarker::kComposition;
if (DeprecatedEqualIgnoringCase(marker_type, "ActiveSuggestion"))
return DocumentMarker::kActiveSuggestion;
if (DeprecatedEqualIgnoringCase(marker_type, "Suggestion"))
return DocumentMarker::kSuggestion;
return base::nullopt;
}
static base::Optional<DocumentMarker::MarkerTypes> MarkerTypesFrom(
const String& marker_type) {
if (marker_type.IsEmpty() || EqualIgnoringASCIICase(marker_type, "all"))
return DocumentMarker::MarkerTypes::All();
base::Optional<DocumentMarker::MarkerType> type = MarkerTypeFrom(marker_type);
if (!type)
return base::nullopt;
return DocumentMarker::MarkerTypes(type.value());
}
static SpellCheckRequester* GetSpellCheckRequester(Document* document) {
if (!document || !document->GetFrame())
return nullptr;
return &document->GetFrame()->GetSpellChecker().GetSpellCheckRequester();
}
static ScrollableArea* ScrollableAreaForNode(Node* node) {
if (!node)
return nullptr;
LayoutObject* layout_object = node->GetLayoutObject();
if (!layout_object || !layout_object->IsBox())
return nullptr;
return ToLayoutBox(layout_object)->GetScrollableArea();
}
static RuntimeEnabledFeatures::Backup* g_s_features_backup = nullptr;
static std::unique_ptr<ScopedMockOverlayScrollbars> g_s_mock_overlay_scrollbars;
void Internals::ResetToConsistentState(Page* page) {
DCHECK(page);
if (!g_s_features_backup)
g_s_features_backup = new RuntimeEnabledFeatures::Backup;
g_s_features_backup->Restore();
page->SetIsCursorVisible(true);
// Ensure the PageScaleFactor always stays within limits, if the test changed
// the limits. BlinkTestRunner will reset the limits to those set by
// LayoutTestDefaultPreferences when preferences are reapplied after this
// call.
page->SetDefaultPageScaleLimits(1, 4);
page->SetPageScaleFactor(1);
page->GetChromeClient().GetWebView()->DisableDeviceEmulation();
// Ensure timers are reset so timers such as EventHandler's |hover_timer_| do
// not cause additional lifecycle updates.
for (Frame* frame = page->MainFrame(); frame;
frame = frame->Tree().TraverseNext()) {
if (auto* local_frame = DynamicTo<LocalFrame>(frame))
local_frame->GetEventHandler().Clear();
}
LocalFrame* frame = page->DeprecatedLocalMainFrame();
frame->View()->LayoutViewport()->SetScrollOffset(
ScrollOffset(), mojom::blink::ScrollType::kProgrammatic);
OverrideUserPreferredLanguagesForTesting(Vector<AtomicString>());
if (page->DeprecatedLocalMainFrame()->GetEditor().IsOverwriteModeEnabled())
page->DeprecatedLocalMainFrame()->GetEditor().ToggleOverwriteModeEnabled();
if (ScrollingCoordinator* scrolling_coordinator =
page->GetScrollingCoordinator()) {
scrolling_coordinator->Reset(frame);
}
KeyboardEventManager::SetCurrentCapsLockState(
OverrideCapsLockState::kDefault);
IntersectionObserver::SetThrottleDelayEnabledForTesting(true);
g_s_mock_overlay_scrollbars.reset();
}
Internals::Internals(ExecutionContext* context)
: runtime_flags_(InternalRuntimeFlags::create()),
document_(Document::From(context)) {
document_->Fetcher()->EnableIsPreloadedForTest();
}
LocalFrame* Internals::GetFrame() const {
if (!document_)
return nullptr;
return document_->GetFrame();
}
InternalSettings* Internals::settings() const {
if (!document_)
return nullptr;
Page* page = document_->GetPage();
if (!page)
return nullptr;
return InternalSettings::From(*page);
}
InternalRuntimeFlags* Internals::runtimeFlags() const {
return runtime_flags_.Get();
}
unsigned Internals::workerThreadCount() const {
return WorkerThread::WorkerThreadCount();
}
bool Internals::isFormControlsRefreshEnabled() const {
return ::features::IsFormControlsRefreshEnabled();
}
GCObservation* Internals::observeGC(ScriptValue script_value) {
v8::Local<v8::Value> observed_value = script_value.V8Value();
DCHECK(!observed_value.IsEmpty());
if (observed_value->IsNull() || observed_value->IsUndefined()) {
V8ThrowException::ThrowTypeError(v8::Isolate::GetCurrent(),
"value to observe is null or undefined");
return nullptr;
}
return MakeGarbageCollected<GCObservation>(observed_value);
}
unsigned Internals::updateStyleAndReturnAffectedElementCount(
ExceptionState& exception_state) const {
if (!document_) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No context document is available.");
return 0;
}
unsigned before_count = document_->GetStyleEngine().StyleForElementCount();
document_->UpdateStyleAndLayoutTree();
return document_->GetStyleEngine().StyleForElementCount() - before_count;
}
unsigned Internals::needsLayoutCount(ExceptionState& exception_state) const {
LocalFrame* context_frame = GetFrame();
if (!context_frame) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No context frame is available.");
return 0;
}
bool is_partial;
unsigned needs_layout_objects;
unsigned total_objects;
context_frame->View()->CountObjectsNeedingLayout(needs_layout_objects,
total_objects, is_partial);
return needs_layout_objects;
}
unsigned Internals::hitTestCount(Document* doc,
ExceptionState& exception_state) const {
if (!doc) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"Must supply document to check");
return 0;
}
if (!doc->GetLayoutView())
return 0;
return doc->GetLayoutView()->HitTestCount();
}
unsigned Internals::hitTestCacheHits(Document* doc,
ExceptionState& exception_state) const {
if (!doc) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"Must supply document to check");
return 0;
}
if (!doc->GetLayoutView())
return 0;
return doc->GetLayoutView()->HitTestCacheHits();
}
Element* Internals::elementFromPoint(Document* doc,
double x,
double y,
bool ignore_clipping,
bool allow_child_frame_content,
ExceptionState& exception_state) const {
if (!doc) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"Must supply document to check");
return nullptr;
}
if (!doc->GetLayoutView())
return nullptr;
HitTestRequest::HitTestRequestType hit_type =
HitTestRequest::kReadOnly | HitTestRequest::kActive;
if (ignore_clipping)
hit_type |= HitTestRequest::kIgnoreClipping;
if (allow_child_frame_content)
hit_type |= HitTestRequest::kAllowChildFrameContent;
HitTestRequest request(hit_type);
return doc->HitTestPoint(x, y, request);
}
void Internals::clearHitTestCache(Document* doc,
ExceptionState& exception_state) const {
if (!doc) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"Must supply document to check");
return;
}
if (!doc->GetLayoutView())
return;
doc->GetLayoutView()->ClearHitTestCache();
}
Element* Internals::innerEditorElement(Element* container,
ExceptionState& exception_state) const {
if (auto* control = ToTextControlOrNull(container))
return control->InnerEditorElement();
exception_state.ThrowDOMException(DOMExceptionCode::kNotSupportedError,
"Not a text control element.");
return nullptr;
}
bool Internals::isPreloaded(const String& url) {
return isPreloadedBy(url, document_);
}
bool Internals::isPreloadedBy(const String& url, Document* document) {
if (!document)
return false;
return document->Fetcher()->IsPreloadedForTest(document->CompleteURL(url));
}
bool Internals::isLoading(const String& url) {
if (!document_)
return false;
const String cache_identifier = document_->Fetcher()->GetCacheIdentifier();
Resource* resource = GetMemoryCache()->ResourceForURL(
document_->CompleteURL(url), cache_identifier);
// We check loader() here instead of isLoading(), because a multipart
// ImageResource lies isLoading() == false after the first part is loaded.
return resource && resource->Loader();
}
bool Internals::isLoadingFromMemoryCache(const String& url) {
if (!document_)
return false;
const String cache_identifier = document_->Fetcher()->GetCacheIdentifier();
Resource* resource = GetMemoryCache()->ResourceForURL(
document_->CompleteURL(url), cache_identifier);
return resource && resource->GetStatus() == ResourceStatus::kCached;
}
ScriptPromise Internals::getResourcePriority(ScriptState* script_state,
const String& url,
Document* document) {
ScriptPromiseResolver* resolver =
MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
KURL resource_url = url_test_helpers::ToKURL(url.Utf8());
DCHECK(document);
auto callback = WTF::Bind(&Internals::ResolveResourcePriority,
WTF::Passed(WrapPersistent(this)),
WTF::Passed(WrapPersistent(resolver)));
ResourceFetcher::AddPriorityObserverForTesting(resource_url,
std::move(callback));
return promise;
}
bool Internals::doesWindowHaveUrlFragment(DOMWindow* window) {
if (IsA<RemoteDOMWindow>(window))
return false;
return To<LocalFrame>(window->GetFrame())
->GetDocument()
->Url()
.HasFragmentIdentifier();
}
String Internals::getResourceHeader(const String& url,
const String& header,
Document* document) {
if (!document)
return String();
Resource* resource = document->Fetcher()->AllResources().at(
url_test_helpers::ToKURL(url.Utf8()));
if (!resource)
return String();
return resource->GetResourceRequest().HttpHeaderField(AtomicString(header));
}
bool Internals::isValidContentSelect(Element* insertion_point,
ExceptionState& exception_state) {
DCHECK(insertion_point);
if (!insertion_point->IsV0InsertionPoint()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The element is not an insertion point.");
return false;
}
auto* html_content_element = DynamicTo<HTMLContentElement>(insertion_point);
return html_content_element && html_content_element->IsSelectValid();
}
Node* Internals::treeScopeRootNode(Node* node) {
DCHECK(node);
return &node->GetTreeScope().RootNode();
}
Node* Internals::parentTreeScope(Node* node) {
DCHECK(node);
const TreeScope* parent_tree_scope = node->GetTreeScope().ParentTreeScope();
return parent_tree_scope ? &parent_tree_scope->RootNode() : nullptr;
}
uint16_t Internals::compareTreeScopePosition(
const Node* node1,
const Node* node2,
ExceptionState& exception_state) const {
DCHECK(node1 && node2);
const TreeScope* tree_scope1 =
IsA<Document>(node1)
? static_cast<const TreeScope*>(To<Document>(node1))
: IsA<ShadowRoot>(node1)
? static_cast<const TreeScope*>(To<ShadowRoot>(node1))
: nullptr;
const TreeScope* tree_scope2 =
IsA<Document>(node2)
? static_cast<const TreeScope*>(To<Document>(node2))
: IsA<ShadowRoot>(node2)
? static_cast<const TreeScope*>(To<ShadowRoot>(node2))
: nullptr;
if (!tree_scope1 || !tree_scope2) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
String::Format(
"The %s node is neither a document node, nor a shadow root.",
tree_scope1 ? "second" : "first"));
return 0;
}
return tree_scope1->ComparePosition(*tree_scope2);
}
void Internals::pauseAnimations(double pause_time,
ExceptionState& exception_state) {
if (pause_time < 0) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
ExceptionMessages::IndexExceedsMinimumBound("pauseTime", pause_time,
0.0));
return;
}
if (!GetFrame())
return;
GetFrame()->View()->UpdateAllLifecyclePhases(DocumentUpdateReason::kTest);
GetFrame()->GetDocument()->Timeline().PauseAnimationsForTesting(pause_time);
}
bool Internals::isCompositedAnimation(Animation* animation) {
return animation->HasActiveAnimationsOnCompositor();
}
void Internals::disableCompositedAnimation(Animation* animation) {
animation->DisableCompositedAnimationForTesting();
}
void Internals::advanceImageAnimation(Element* image,
ExceptionState& exception_state) {
DCHECK(image);
ImageResourceContent* resource = nullptr;
if (auto* html_image = DynamicTo<HTMLImageElement>(*image)) {
resource = html_image->CachedImage();
} else if (auto* svg_image = DynamicTo<SVGImageElement>(*image)) {
resource = svg_image->CachedImage();
} else {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The element provided is not a image element.");
return;
}
if (!resource || !resource->HasImage()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The image resource is not available.");
return;
}
Image* image_data = resource->GetImage();
image_data->AdvanceAnimationForTesting();
}
bool Internals::hasShadowInsertionPoint(const Node* root,
ExceptionState& exception_state) const {
DCHECK(root);
if (!IsA<ShadowRoot>(root)) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument is not a shadow root.");
return false;
}
return To<ShadowRoot>(root)->V0().ContainsShadowElements();
}
bool Internals::hasContentElement(const Node* root,
ExceptionState& exception_state) const {
DCHECK(root);
if (!IsA<ShadowRoot>(root)) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument is not a shadow root.");
return false;
}
return To<ShadowRoot>(root)->V0().ContainsContentElements();
}
uint32_t Internals::countElementShadow(const Node* root,
ExceptionState& exception_state) const {
DCHECK(root);
if (!IsA<ShadowRoot>(root)) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument is not a shadow root.");
return 0;
}
return To<ShadowRoot>(root)->ChildShadowRootCount();
}
Node* Internals::nextSiblingInFlatTree(Node* node,
ExceptionState& exception_state) {
DCHECK(node);
if (!node->CanParticipateInFlatTree()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument doesn't particite in the flat tree.");
return nullptr;
}
return FlatTreeTraversal::NextSibling(*node);
}
Node* Internals::firstChildInFlatTree(Node* node,
ExceptionState& exception_state) {
DCHECK(node);
if (!node->CanParticipateInFlatTree()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument doesn't particite in the flat tree");
return nullptr;
}
return FlatTreeTraversal::FirstChild(*node);
}
Node* Internals::lastChildInFlatTree(Node* node,
ExceptionState& exception_state) {
DCHECK(node);
if (!node->CanParticipateInFlatTree()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument doesn't particite in the flat tree.");
return nullptr;
}
return FlatTreeTraversal::LastChild(*node);
}
Node* Internals::nextInFlatTree(Node* node, ExceptionState& exception_state) {
DCHECK(node);
if (!node->CanParticipateInFlatTree()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument doesn't particite in the flat tree.");
return nullptr;
}
return FlatTreeTraversal::Next(*node);
}
Node* Internals::previousInFlatTree(Node* node,
ExceptionState& exception_state) {
DCHECK(node);
if (!node->CanParticipateInFlatTree()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node argument doesn't particite in the flat tree.");
return nullptr;
}
return FlatTreeTraversal::Previous(*node);
}
String Internals::elementLayoutTreeAsText(Element* element,
ExceptionState& exception_state) {
DCHECK(element);
element->GetDocument().View()->UpdateAllLifecyclePhases(
DocumentUpdateReason::kTest);
String representation = ExternalRepresentation(element);
if (representation.IsEmpty()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The element provided has no external representation.");
return String();
}
return representation;
}
CSSStyleDeclaration* Internals::computedStyleIncludingVisitedInfo(
Node* node) const {
DCHECK(node);
bool allow_visited_style = true;
return MakeGarbageCollected<CSSComputedStyleDeclaration>(node,
allow_visited_style);
}
ShadowRoot* Internals::createUserAgentShadowRoot(Element* host) {
DCHECK(host);
return &host->EnsureUserAgentShadowRoot();
}
void Internals::setBrowserControlsState(float top_height,
float bottom_height,
bool shrinks_layout) {
document_->GetPage()->GetChromeClient().SetBrowserControlsState(
top_height, bottom_height, shrinks_layout);
}
void Internals::setBrowserControlsShownRatio(float top_ratio,
float bottom_ratio) {
document_->GetPage()->GetChromeClient().SetBrowserControlsShownRatio(
top_ratio, bottom_ratio);
}
Node* Internals::effectiveRootScroller(Document* document) {
if (!document)
document = document_;
return &document->GetRootScrollerController().EffectiveRootScroller();
}
ShadowRoot* Internals::shadowRoot(Element* host) {
DCHECK(host);
return host->GetShadowRoot();
}
String Internals::shadowRootType(const Node* root,
ExceptionState& exception_state) const {
DCHECK(root);
auto* shadow_root = DynamicTo<ShadowRoot>(root);
if (!shadow_root) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The node provided is not a shadow root.");
return String();
}
switch (shadow_root->GetType()) {
case ShadowRootType::kUserAgent:
return String("UserAgentShadowRoot");
case ShadowRootType::V0:
return String("V0ShadowRoot");
case ShadowRootType::kOpen:
return String("OpenShadowRoot");
case ShadowRootType::kClosed:
return String("ClosedShadowRoot");
default:
NOTREACHED();
return String("Unknown");
}
}
const AtomicString& Internals::shadowPseudoId(Element* element) {
DCHECK(element);
return element->ShadowPseudoId();
}
String Internals::visiblePlaceholder(Element* element) {
if (auto* text_control_element = ToTextControlOrNull(element)) {
if (!text_control_element->IsPlaceholderVisible())
return String();
if (HTMLElement* placeholder_element =
text_control_element->PlaceholderElement())
return placeholder_element->textContent();
}
return String();
}
bool Internals::isValidationMessageVisible(Element* element) {
DCHECK(element);
if (auto* page = element->GetDocument().GetPage()) {
return page->GetValidationMessageClient().IsValidationMessageVisible(
*element);
}
return false;
}
void Internals::selectColorInColorChooser(Element* element,
const String& color_value) {
DCHECK(element);
Color color;
if (!color.SetFromString(color_value))
return;
if (auto* input = DynamicTo<HTMLInputElement>(*element))
input->SelectColorInColorChooser(color);
}
void Internals::endColorChooser(Element* element) {
DCHECK(element);
if (auto* input = DynamicTo<HTMLInputElement>(*element))
input->EndColorChooserForTesting();
}
bool Internals::hasAutofocusRequest(Document* document) {
if (!document)
document = document_;
return document->HasAutofocusCandidates();
}
bool Internals::hasAutofocusRequest() {
return hasAutofocusRequest(nullptr);
}
Vector<String> Internals::formControlStateOfHistoryItem(
ExceptionState& exception_state) {
HistoryItem* main_item = nullptr;
if (GetFrame())
main_item = GetFrame()->Loader().GetDocumentLoader()->GetHistoryItem();
if (!main_item) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No history item is available.");
return Vector<String>();
}
return main_item->GetDocumentState();
}
void Internals::setFormControlStateOfHistoryItem(
const Vector<String>& state,
ExceptionState& exception_state) {
HistoryItem* main_item = nullptr;
if (GetFrame())
main_item = GetFrame()->Loader().GetDocumentLoader()->GetHistoryItem();
if (!main_item) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No history item is available.");
return;
}
main_item->ClearDocumentState();
main_item->SetDocumentState(state);
}
DOMWindow* Internals::pagePopupWindow() const {
if (!document_)
return nullptr;
if (Page* page = document_->GetPage()) {
return To<LocalDOMWindow>(
page->GetChromeClient().PagePopupWindowForTesting());
}
return nullptr;
}
DOMRectReadOnly* Internals::absoluteCaretBounds(
ExceptionState& exception_state) {
if (!GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The document's frame cannot be retrieved.");
return nullptr;
}
document_->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return DOMRectReadOnly::FromIntRect(
GetFrame()->Selection().AbsoluteCaretBounds());
}
String Internals::textAffinity() {
if (GetFrame() && GetFrame()
->GetPage()
->GetFocusController()
.FocusedFrame()
->Selection()
.GetSelectionInDOMTree()
.Affinity() == TextAffinity::kUpstream) {
return "Upstream";
}
return "Downstream";
}
DOMRectReadOnly* Internals::boundingBox(Element* element) {
DCHECK(element);
element->GetDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
LayoutObject* layout_object = element->GetLayoutObject();
if (!layout_object)
return DOMRectReadOnly::Create(0, 0, 0, 0);
return DOMRectReadOnly::FromIntRect(layout_object->AbsoluteBoundingBoxRect());
}
void Internals::setMarker(Document* document,
const Range* range,
const String& marker_type,
ExceptionState& exception_state) {
if (!document) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No context document is available.");
return;
}
base::Optional<DocumentMarker::MarkerType> type = MarkerTypeFrom(marker_type);
if (!type) {
exception_state.ThrowDOMException(
DOMExceptionCode::kSyntaxError,
"The marker type provided ('" + marker_type + "') is invalid.");
return;
}
if (type != DocumentMarker::kSpelling && type != DocumentMarker::kGrammar) {
exception_state.ThrowDOMException(DOMExceptionCode::kSyntaxError,
"internals.setMarker() currently only "
"supports spelling and grammar markers; "
"attempted to add marker of type '" +
marker_type + "'.");
return;
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
if (type == DocumentMarker::kSpelling)
document->Markers().AddSpellingMarker(EphemeralRange(range));
else
document->Markers().AddGrammarMarker(EphemeralRange(range));
}
unsigned Internals::markerCountForNode(Node* node,
const String& marker_type,
ExceptionState& exception_state) {
DCHECK(node);
base::Optional<DocumentMarker::MarkerTypes> marker_types =
MarkerTypesFrom(marker_type);
if (!marker_types) {
exception_state.ThrowDOMException(
DOMExceptionCode::kSyntaxError,
"The marker type provided ('" + marker_type + "') is invalid.");
return 0;
}
return node->GetDocument()
.Markers()
.MarkersFor(To<Text>(*node), marker_types.value())
.size();
}
unsigned Internals::activeMarkerCountForNode(Node* node) {
DCHECK(node);
// Only TextMatch markers can be active.
DocumentMarkerVector markers = node->GetDocument().Markers().MarkersFor(
To<Text>(*node), DocumentMarker::MarkerTypes::TextMatch());
unsigned active_marker_count = 0;
for (const auto& marker : markers) {
if (To<TextMatchMarker>(marker.Get())->IsActiveMatch())
active_marker_count++;
}
return active_marker_count;
}
DocumentMarker* Internals::MarkerAt(Node* node,
const String& marker_type,
unsigned index,
ExceptionState& exception_state) {
DCHECK(node);
base::Optional<DocumentMarker::MarkerTypes> marker_types =
MarkerTypesFrom(marker_type);
if (!marker_types) {
exception_state.ThrowDOMException(
DOMExceptionCode::kSyntaxError,
"The marker type provided ('" + marker_type + "') is invalid.");
return nullptr;
}
DocumentMarkerVector markers = node->GetDocument().Markers().MarkersFor(
To<Text>(*node), marker_types.value());
if (markers.size() <= index)
return nullptr;
return markers[index];
}
Range* Internals::markerRangeForNode(Node* node,
const String& marker_type,
unsigned index,
ExceptionState& exception_state) {
DCHECK(node);
DocumentMarker* marker = MarkerAt(node, marker_type, index, exception_state);
if (!marker)
return nullptr;
return MakeGarbageCollected<Range>(node->GetDocument(), node,
marker->StartOffset(), node,
marker->EndOffset());
}
String Internals::markerDescriptionForNode(Node* node,
const String& marker_type,
unsigned index,
ExceptionState& exception_state) {
DocumentMarker* marker = MarkerAt(node, marker_type, index, exception_state);
if (!marker || !IsSpellCheckMarker(*marker))
return String();
return To<SpellCheckMarker>(marker)->Description();
}
unsigned Internals::markerBackgroundColorForNode(
Node* node,
const String& marker_type,
unsigned index,
ExceptionState& exception_state) {
DocumentMarker* marker = MarkerAt(node, marker_type, index, exception_state);
auto* style_marker = DynamicTo<StyleableMarker>(marker);
if (!style_marker)
return 0;
return style_marker->BackgroundColor().Rgb();
}
unsigned Internals::markerUnderlineColorForNode(
Node* node,
const String& marker_type,
unsigned index,
ExceptionState& exception_state) {
DocumentMarker* marker = MarkerAt(node, marker_type, index, exception_state);
auto* style_marker = DynamicTo<StyleableMarker>(marker);
if (!style_marker)
return 0;
return style_marker->UnderlineColor().Rgb();
}
static base::Optional<TextMatchMarker::MatchStatus> MatchStatusFrom(
const String& match_status) {
if (EqualIgnoringASCIICase(match_status, "kActive"))
return TextMatchMarker::MatchStatus::kActive;
if (EqualIgnoringASCIICase(match_status, "kInactive"))
return TextMatchMarker::MatchStatus::kInactive;
return base::nullopt;
}
void Internals::addTextMatchMarker(const Range* range,
const String& match_status,
ExceptionState& exception_state) {
DCHECK(range);
if (!range->OwnerDocument().View())
return;
base::Optional<TextMatchMarker::MatchStatus> match_status_enum =
MatchStatusFrom(match_status);
if (!match_status_enum) {
exception_state.ThrowDOMException(
DOMExceptionCode::kSyntaxError,
"The match status provided ('" + match_status + "') is invalid.");
return;
}
range->OwnerDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
range->OwnerDocument().Markers().AddTextMatchMarker(
EphemeralRange(range), match_status_enum.value());
// This simulates what the production code does after
// DocumentMarkerController::addTextMatchMarker().
range->OwnerDocument().GetLayoutView()->InvalidatePaintForTickmarks();
}
static bool ParseColor(const String& value,
Color& color,
ExceptionState& exception_state,
String error_message) {
if (!color.SetFromString(value)) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
error_message);
return false;
}
return true;
}
static base::Optional<ImeTextSpanThickness> ThicknessFrom(
const String& thickness) {
if (EqualIgnoringASCIICase(thickness, "none"))
return ImeTextSpanThickness::kNone;
if (EqualIgnoringASCIICase(thickness, "thin"))
return ImeTextSpanThickness::kThin;
if (EqualIgnoringASCIICase(thickness, "thick"))
return ImeTextSpanThickness::kThick;
return base::nullopt;
}
static base::Optional<ImeTextSpanUnderlineStyle> UnderlineStyleFrom(
const String& underline_style) {
if (EqualIgnoringASCIICase(underline_style, "none"))
return ImeTextSpanUnderlineStyle::kNone;
if (EqualIgnoringASCIICase(underline_style, "solid"))
return ImeTextSpanUnderlineStyle::kSolid;
if (EqualIgnoringASCIICase(underline_style, "dot"))
return ImeTextSpanUnderlineStyle::kDot;
if (EqualIgnoringASCIICase(underline_style, "dash"))
return ImeTextSpanUnderlineStyle::kDash;
return base::nullopt;
}
namespace {
void addStyleableMarkerHelper(const Range* range,
const String& underline_color_value,
const String& thickness_value,
const String& underline_style_value,
const String& text_color_value,
const String& background_color_value,
ExceptionState& exception_state,
std::function<void(const EphemeralRange&,
Color,
ImeTextSpanThickness,
ImeTextSpanUnderlineStyle,
Color,
Color)> create_marker) {
DCHECK(range);
range->OwnerDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
base::Optional<ImeTextSpanThickness> thickness =
ThicknessFrom(thickness_value);
if (!thickness) {
exception_state.ThrowDOMException(
DOMExceptionCode::kSyntaxError,
"The thickness provided ('" + thickness_value + "') is invalid.");
return;
}
base::Optional<ImeTextSpanUnderlineStyle> underline_style =
UnderlineStyleFrom(underline_style_value);
if (!underline_style_value) {
exception_state.ThrowDOMException(DOMExceptionCode::kSyntaxError,
"The underline style provided ('" +
underline_style_value +
"') is invalid.");
return;
}
Color underline_color;
Color background_color;
Color text_color;
if (ParseColor(underline_color_value, underline_color, exception_state,
"Invalid underline color.") &&
ParseColor(text_color_value, text_color, exception_state,
"Invalid text color.") &&
ParseColor(background_color_value, background_color, exception_state,
"Invalid background color.")) {
create_marker(EphemeralRange(range), underline_color, thickness.value(),
underline_style.value(), text_color, background_color);
}
}
} // namespace
void Internals::addCompositionMarker(const Range* range,
const String& underline_color_value,
const String& thickness_value,
const String& underline_style_value,
const String& text_color_value,
const String& background_color_value,
ExceptionState& exception_state) {
DocumentMarkerController& document_marker_controller =
range->OwnerDocument().Markers();
addStyleableMarkerHelper(
range, underline_color_value, thickness_value, underline_style_value,
text_color_value, background_color_value, exception_state,
[&document_marker_controller](const EphemeralRange& range,
Color underline_color,
ImeTextSpanThickness thickness,
ImeTextSpanUnderlineStyle underline_style,
Color text_color, Color background_color) {
document_marker_controller.AddCompositionMarker(
range, underline_color, thickness, underline_style, text_color,
background_color);
});
}
void Internals::addActiveSuggestionMarker(const Range* range,
const String& underline_color_value,
const String& thickness_value,
const String& background_color_value,
ExceptionState& exception_state) {
// Underline style and text color aren't really supported for suggestions so
// providing default values for now.
String underline_style_value = "solid";
String text_color_value = "transparent";
DocumentMarkerController& document_marker_controller =
range->OwnerDocument().Markers();
addStyleableMarkerHelper(
range, underline_color_value, thickness_value, underline_style_value,
text_color_value, background_color_value, exception_state,
[&document_marker_controller](const EphemeralRange& range,
Color underline_color,
ImeTextSpanThickness thickness,
ImeTextSpanUnderlineStyle underline_style,
Color text_color, Color background_color) {
document_marker_controller.AddActiveSuggestionMarker(
range, underline_color, thickness, underline_style, text_color,
background_color);
});
}
void Internals::addSuggestionMarker(
const Range* range,
const Vector<String>& suggestions,
const String& suggestion_highlight_color_value,
const String& underline_color_value,
const String& thickness_value,
const String& background_color_value,
ExceptionState& exception_state) {
// Underline style and text color aren't really supported for suggestions so
// providing default values for now.
String underline_style_value = "solid";
String text_color_value = "transparent";
Color suggestion_highlight_color;
if (!ParseColor(suggestion_highlight_color_value, suggestion_highlight_color,
exception_state, "Invalid suggestion highlight color."))
return;
DocumentMarkerController& document_marker_controller =
range->OwnerDocument().Markers();
addStyleableMarkerHelper(
range, underline_color_value, thickness_value, underline_style_value,
text_color_value, background_color_value, exception_state,
[&document_marker_controller, &suggestions, &suggestion_highlight_color](
const EphemeralRange& range, Color underline_color,
ImeTextSpanThickness thickness,
ImeTextSpanUnderlineStyle underline_style, Color text_color,
Color background_color) {
document_marker_controller.AddSuggestionMarker(
range,
SuggestionMarkerProperties::Builder()
.SetType(SuggestionMarker::SuggestionType::kNotMisspelling)
.SetSuggestions(suggestions)
.SetHighlightColor(suggestion_highlight_color)
.SetUnderlineColor(underline_color)
.SetThickness(thickness)
.SetUnderlineStyle(underline_style)
.SetTextColor(text_color)
.SetBackgroundColor(background_color)
.Build());
});
}
void Internals::setTextMatchMarkersActive(Node* node,
unsigned start_offset,
unsigned end_offset,
bool active) {
DCHECK(node);
node->GetDocument().Markers().SetTextMatchMarkersActive(
To<Text>(*node), start_offset, end_offset, active);
}
void Internals::setMarkedTextMatchesAreHighlighted(Document* document,
bool highlight) {
if (!document || !document->GetFrame())
return;
document->GetFrame()->GetEditor().SetMarkedTextMatchesAreHighlighted(
highlight);
}
String Internals::viewportAsText(Document* document,
float,
int available_width,
int available_height,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetPage()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return String();
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
Page* page = document->GetPage();
// Update initial viewport size.
IntSize initial_viewport_size(available_width, available_height);
document->GetPage()->DeprecatedLocalMainFrame()->View()->SetFrameRect(
IntRect(IntPoint::Zero(), initial_viewport_size));
ViewportDescription description = page->GetViewportDescription();
PageScaleConstraints constraints =
description.Resolve(FloatSize(initial_viewport_size), Length());
constraints.FitToContentsWidth(constraints.layout_size.Width(),
available_width);
constraints.ResolveAutoInitialScale();
StringBuilder builder;
builder.Append("viewport size ");
builder.Append(String::Number(constraints.layout_size.Width()));
builder.Append('x');
builder.Append(String::Number(constraints.layout_size.Height()));
builder.Append(" scale ");
builder.Append(String::Number(constraints.initial_scale));
builder.Append(" with limits [");
builder.Append(String::Number(constraints.minimum_scale));
builder.Append(", ");
builder.Append(String::Number(constraints.maximum_scale));
builder.Append("] and userScalable ");
builder.Append(description.user_zoom ? "true" : "false");
return builder.ToString();
}
bool Internals::elementShouldAutoComplete(Element* element,
ExceptionState& exception_state) {
DCHECK(element);
if (auto* input = DynamicTo<HTMLInputElement>(*element))
return input->ShouldAutocomplete();
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not an INPUT.");
return false;
}
String Internals::suggestedValue(Element* element,
ExceptionState& exception_state) {
DCHECK(element);
if (!element->IsFormControlElement()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not a form control element.");
return String();
}
String suggested_value;
if (auto* input = DynamicTo<HTMLInputElement>(*element))
return input->SuggestedValue();
if (auto* textarea = DynamicTo<HTMLTextAreaElement>(*element))
return textarea->SuggestedValue();
if (auto* select = DynamicTo<HTMLSelectElement>(*element))
return select->SuggestedValue();
return suggested_value;
}
void Internals::setSuggestedValue(Element* element,
const String& value,
ExceptionState& exception_state) {
DCHECK(element);
if (!element->IsFormControlElement()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not a form control element.");
return;
}
if (auto* input = DynamicTo<HTMLInputElement>(*element))
input->SetSuggestedValue(value);
if (auto* textarea = DynamicTo<HTMLTextAreaElement>(*element))
textarea->SetSuggestedValue(value);
if (auto* select = DynamicTo<HTMLSelectElement>(*element))
select->SetSuggestedValue(value);
}
void Internals::setAutofilledValue(Element* element,
const String& value,
ExceptionState& exception_state) {
DCHECK(element);
if (!element->IsFormControlElement()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not a form control element.");
return;
}
if (auto* input = DynamicTo<HTMLInputElement>(*element)) {
input->DispatchScopedEvent(
*Event::CreateBubble(event_type_names::kKeydown));
input->SetAutofillValue(value);
input->DispatchScopedEvent(*Event::CreateBubble(event_type_names::kKeyup));
}
if (auto* textarea = DynamicTo<HTMLTextAreaElement>(*element)) {
textarea->DispatchScopedEvent(
*Event::CreateBubble(event_type_names::kKeydown));
textarea->SetAutofillValue(value);
textarea->DispatchScopedEvent(
*Event::CreateBubble(event_type_names::kKeyup));
}
if (auto* select = DynamicTo<HTMLSelectElement>(*element))
select->setValue(value, true /* send_events */);
To<HTMLFormControlElement>(element)->SetAutofillState(
blink::WebAutofillState::kAutofilled);
}
void Internals::setEditingValue(Element* element,
const String& value,
ExceptionState& exception_state) {
DCHECK(element);
auto* html_input_element = DynamicTo<HTMLInputElement>(element);
if (!html_input_element) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not an INPUT.");
return;
}
html_input_element->SetEditingValue(value);
}
void Internals::setAutofilled(Element* element,
bool enabled,
ExceptionState& exception_state) {
DCHECK(element);
auto* form_control_element = DynamicTo<HTMLFormControlElement>(element);
if (!form_control_element) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not a form control element.");
return;
}
form_control_element->SetAutofillState(
enabled ? WebAutofillState::kAutofilled : WebAutofillState::kNotFilled);
}
Range* Internals::rangeFromLocationAndLength(Element* scope,
int range_location,
int range_length) {
DCHECK(scope);
// TextIterator depends on Layout information, make sure layout it up to date.
scope->GetDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return CreateRange(
PlainTextRange(range_location, range_location + range_length)
.CreateRange(*scope));
}
unsigned Internals::locationFromRange(Element* scope, const Range* range) {
DCHECK(scope && range);
// PlainTextRange depends on Layout information, make sure layout it up to
// date.
scope->GetDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return PlainTextRange::Create(*scope, *range).Start();
}
unsigned Internals::lengthFromRange(Element* scope, const Range* range) {
DCHECK(scope && range);
// PlainTextRange depends on Layout information, make sure layout it up to
// date.
scope->GetDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return PlainTextRange::Create(*scope, *range).length();
}
String Internals::rangeAsText(const Range* range) {
DCHECK(range);
// Clean layout is required by plain text extraction.
range->OwnerDocument().UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return range->GetText();
}
// FIXME: The next four functions are very similar - combine them once
// bestClickableNode/bestContextMenuNode have been combined..
void Internals::HitTestRect(HitTestLocation& location,
HitTestResult& result,
int x,
int y,
int width,
int height,
Document* document) {
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
EventHandler& event_handler = document->GetFrame()->GetEventHandler();
PhysicalRect rect{LayoutUnit(x), LayoutUnit(y), LayoutUnit(width),
LayoutUnit(height)};
rect.offset = document->GetFrame()->View()->ConvertFromRootFrame(rect.offset);
location = HitTestLocation(rect);
result = event_handler.HitTestResultAtLocation(
location, HitTestRequest::kReadOnly | HitTestRequest::kActive |
HitTestRequest::kListBased);
}
DOMPoint* Internals::touchPositionAdjustedToBestClickableNode(
int x,
int y,
int width,
int height,
Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return nullptr;
}
HitTestLocation location;
HitTestResult result;
HitTestRect(location, result, x, y, width, height, document);
Node* target_node = nullptr;
IntPoint adjusted_point;
EventHandler& event_handler = document->GetFrame()->GetEventHandler();
bool found_node = event_handler.BestClickableNodeForHitTestResult(
location, result, adjusted_point, target_node);
if (found_node)
return DOMPoint::Create(adjusted_point.X(), adjusted_point.Y());
return nullptr;
}
Node* Internals::touchNodeAdjustedToBestClickableNode(
int x,
int y,
int width,
int height,
Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return nullptr;
}
HitTestLocation location;
HitTestResult result;
HitTestRect(location, result, x, y, width, height, document);
Node* target_node = nullptr;
IntPoint adjusted_point;
document->GetFrame()->GetEventHandler().BestClickableNodeForHitTestResult(
location, result, adjusted_point, target_node);
return target_node;
}
DOMPoint* Internals::touchPositionAdjustedToBestContextMenuNode(
int x,
int y,
int width,
int height,
Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return nullptr;
}
HitTestLocation location;
HitTestResult result;
HitTestRect(location, result, x, y, width, height, document);
Node* target_node = nullptr;
IntPoint adjusted_point;
EventHandler& event_handler = document->GetFrame()->GetEventHandler();
bool found_node = event_handler.BestContextMenuNodeForHitTestResult(
location, result, adjusted_point, target_node);
if (found_node)
return DOMPoint::Create(adjusted_point.X(), adjusted_point.Y());
return DOMPoint::Create(x, y);
}
Node* Internals::touchNodeAdjustedToBestContextMenuNode(
int x,
int y,
int width,
int height,
Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return nullptr;
}
HitTestLocation location;
HitTestResult result;
HitTestRect(location, result, x, y, width, height, document);
Node* target_node = nullptr;
IntPoint adjusted_point;
document->GetFrame()->GetEventHandler().BestContextMenuNodeForHitTestResult(
location, result, adjusted_point, target_node);
return target_node;
}
int Internals::lastSpellCheckRequestSequence(Document* document,
ExceptionState& exception_state) {
SpellCheckRequester* requester = GetSpellCheckRequester(document);
if (!requester) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No spell check requestor can be obtained for the provided document.");
return -1;
}
return requester->LastRequestSequence();
}
int Internals::lastSpellCheckProcessedSequence(
Document* document,
ExceptionState& exception_state) {
SpellCheckRequester* requester = GetSpellCheckRequester(document);
if (!requester) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No spell check requestor can be obtained for the provided document.");
return -1;
}
return requester->LastProcessedSequence();
}
void Internals::cancelCurrentSpellCheckRequest(
Document* document,
ExceptionState& exception_state) {
SpellCheckRequester* requester = GetSpellCheckRequester(document);
if (!requester) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No spell check requestor can be obtained for the provided document.");
return;
}
requester->CancelCheck();
}
String Internals::idleTimeSpellCheckerState(Document* document,
ExceptionState& exception_state) {
static const char* const kTexts[] = {
#define V(state) #state,
FOR_EACH_IDLE_SPELL_CHECK_CONTROLLER_STATE(V)
#undef V
};
if (!document || !document->GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No frame can be obtained from the provided document.");
return String();
}
IdleSpellCheckController::State state = document->GetFrame()
->GetSpellChecker()
.GetIdleSpellCheckController()
.GetState();
auto* const* const it = std::begin(kTexts) + static_cast<size_t>(state);
DCHECK_GE(it, std::begin(kTexts)) << "Unknown state value";
DCHECK_LT(it, std::end(kTexts)) << "Unknown state value";
return *it;
}
void Internals::runIdleTimeSpellChecker(Document* document,
ExceptionState& exception_state) {
if (!document || !document->GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No frame can be obtained from the provided document.");
return;
}
document->GetFrame()
->GetSpellChecker()
.GetIdleSpellCheckController()
.ForceInvocationForTesting();
}
Vector<AtomicString> Internals::userPreferredLanguages() const {
return blink::UserPreferredLanguages();
}
// Optimally, the bindings generator would pass a Vector<AtomicString> here but
// this is not supported yet.
void Internals::setUserPreferredLanguages(const Vector<String>& languages) {
Vector<AtomicString> atomic_languages;
for (const String& language : languages)
atomic_languages.push_back(AtomicString(language));
OverrideUserPreferredLanguagesForTesting(atomic_languages);
}
void Internals::setSystemTimeZone(const String& timezone) {
blink::TimeZoneController::ChangeTimeZoneForTesting(timezone);
}
unsigned Internals::mediaKeysCount() {
return InstanceCounters::CounterValue(InstanceCounters::kMediaKeysCounter);
}
unsigned Internals::mediaKeySessionCount() {
return InstanceCounters::CounterValue(
InstanceCounters::kMediaKeySessionCounter);
}
unsigned Internals::contextLifecycleStateObserverObjectCount(
Document* document) {
DCHECK(document);
return document->ToExecutionContext()
->ContextLifecycleStateObserverCountForTesting();
}
static unsigned EventHandlerCount(
Document& document,
EventHandlerRegistry::EventHandlerClass handler_class) {
if (!document.GetPage())
return 0;
EventHandlerRegistry* registry =
&document.GetFrame()->GetEventHandlerRegistry();
unsigned count = 0;
const EventTargetSet* targets = registry->EventHandlerTargets(handler_class);
if (targets) {
for (const auto& target : *targets)
count += target.value;
}
return count;
}
unsigned Internals::wheelEventHandlerCount(Document* document) const {
DCHECK(document);
return EventHandlerCount(*document,
EventHandlerRegistry::kWheelEventBlocking) +
EventHandlerCount(*document, EventHandlerRegistry::kWheelEventPassive);
}
unsigned Internals::scrollEventHandlerCount(Document* document) const {
DCHECK(document);
return EventHandlerCount(*document, EventHandlerRegistry::kScrollEvent);
}
unsigned Internals::touchStartOrMoveEventHandlerCount(
Document* document) const {
DCHECK(document);
return EventHandlerCount(*document, EventHandlerRegistry::kTouchAction) +
EventHandlerCount(
*document, EventHandlerRegistry::kTouchStartOrMoveEventBlocking) +
EventHandlerCount(
*document,
EventHandlerRegistry::kTouchStartOrMoveEventBlockingLowLatency) +
EventHandlerCount(*document,
EventHandlerRegistry::kTouchStartOrMoveEventPassive);
}
unsigned Internals::touchEndOrCancelEventHandlerCount(
Document* document) const {
DCHECK(document);
return EventHandlerCount(
*document, EventHandlerRegistry::kTouchEndOrCancelEventBlocking) +
EventHandlerCount(*document,
EventHandlerRegistry::kTouchEndOrCancelEventPassive);
}
unsigned Internals::pointerEventHandlerCount(Document* document) const {
DCHECK(document);
return EventHandlerCount(*document, EventHandlerRegistry::kPointerEvent);
}
// Given a vector of rects, merge those that are adjacent, leaving empty rects
// in the place of no longer used slots. This is intended to simplify the list
// of rects returned by an SkRegion (which have been split apart for sorting
// purposes). No attempt is made to do this efficiently (eg. by relying on the
// sort criteria of SkRegion).
static void MergeRects(Vector<IntRect>& rects) {
for (wtf_size_t i = 0; i < rects.size(); ++i) {
if (rects[i].IsEmpty())
continue;
bool updated;
do {
updated = false;
for (wtf_size_t j = i + 1; j < rects.size(); ++j) {
if (rects[j].IsEmpty())
continue;
// Try to merge rects[j] into rects[i] along the 4 possible edges.
if (rects[i].Y() == rects[j].Y() &&
rects[i].Height() == rects[j].Height()) {
if (rects[i].X() + rects[i].Width() == rects[j].X()) {
rects[i].Expand(rects[j].Width(), 0);
rects[j] = IntRect();
updated = true;
} else if (rects[i].X() == rects[j].X() + rects[j].Width()) {
rects[i].SetX(rects[j].X());
rects[i].Expand(rects[j].Width(), 0);
rects[j] = IntRect();
updated = true;
}
} else if (rects[i].X() == rects[j].X() &&
rects[i].Width() == rects[j].Width()) {
if (rects[i].Y() + rects[i].Height() == rects[j].Y()) {
rects[i].Expand(0, rects[j].Height());
rects[j] = IntRect();
updated = true;
} else if (rects[i].Y() == rects[j].Y() + rects[j].Height()) {
rects[i].SetY(rects[j].Y());
rects[i].Expand(0, rects[j].Height());
rects[j] = IntRect();
updated = true;
}
}
}
} while (updated);
}
}
static void AccumulateTouchActionRectList(
PaintLayerCompositor* compositor,
GraphicsLayer* graphics_layer,
HitTestLayerRectList* hit_test_rects) {
const cc::TouchActionRegion& touch_action_region =
graphics_layer->CcLayer()->touch_action_region();
if (!touch_action_region.GetAllRegions().IsEmpty()) {
const auto& layer_position = graphics_layer->GetOffsetFromTransformNode();
const auto& layer_bounds = graphics_layer->CcLayer()->bounds();
IntRect layer_rect(layer_position.X(), layer_position.Y(),
layer_bounds.width(), layer_bounds.height());
Vector<IntRect> layer_hit_test_rects;
for (const gfx::Rect& hit_test_rect : touch_action_region.GetAllRegions())
layer_hit_test_rects.push_back(IntRect(hit_test_rect));
MergeRects(layer_hit_test_rects);
for (const IntRect& hit_test_rect : layer_hit_test_rects) {
if (!hit_test_rect.IsEmpty()) {
hit_test_rects->Append(DOMRectReadOnly::FromIntRect(layer_rect),
DOMRectReadOnly::FromIntRect(hit_test_rect));
}
}
}
for (GraphicsLayer* child_layer : graphics_layer->Children())
AccumulateTouchActionRectList(compositor, child_layer, hit_test_rects);
}
HitTestLayerRectList* Internals::touchEventTargetLayerRects(
Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->View() || !document->GetPage() || document != document_) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return nullptr;
}
if (RuntimeEnabledFeatures::CompositeAfterPaintEnabled()) {
auto* pac = document->View()->GetPaintArtifactCompositor();
document->View()->UpdateAllLifecyclePhases(DocumentUpdateReason::kTest);
auto* hit_test_rects = MakeGarbageCollected<HitTestLayerRectList>();
for (const auto& layer : pac->RootLayer()->children()) {
const cc::TouchActionRegion& touch_action_region =
layer->touch_action_region();
if (!touch_action_region.GetAllRegions().IsEmpty()) {
const auto& offset = layer->offset_to_transform_parent();
IntRect layer_rect(RoundedIntPoint(FloatPoint(offset.x(), offset.y())),
IntSize(layer->bounds()));
Vector<IntRect> layer_hit_test_rects;
for (const auto& hit_test_rect : touch_action_region.GetAllRegions())
layer_hit_test_rects.push_back(IntRect(hit_test_rect));
MergeRects(layer_hit_test_rects);
for (const IntRect& hit_test_rect : layer_hit_test_rects) {
if (!hit_test_rect.IsEmpty()) {
hit_test_rects->Append(DOMRectReadOnly::FromIntRect(layer_rect),
DOMRectReadOnly::FromIntRect(hit_test_rect));
}
}
}
}
return hit_test_rects;
}
if (ScrollingCoordinator* scrolling_coordinator =
document->GetPage()->GetScrollingCoordinator()) {
FrameView* view = document->GetPage()->MainFrame()->View();
if (view->IsLocalFrameView()) {
scrolling_coordinator->UpdateAfterPaint(
static_cast<LocalFrameView*>(view));
} else {
NOTREACHED();
}
}
if (auto* view = document->GetLayoutView()) {
if (PaintLayerCompositor* compositor = view->Compositor()) {
// Use the paint-root since we sometimes want to know about touch rects
// on layers outside the document hierarchy (e.g. when we replace the
// document with a video layer).
if (GraphicsLayer* root_layer = compositor->PaintRootGraphicsLayer()) {
auto* hit_test_rects = MakeGarbageCollected<HitTestLayerRectList>();
AccumulateTouchActionRectList(compositor, root_layer, hit_test_rects);
return hit_test_rects;
}
}
}
return nullptr;
}
bool Internals::executeCommand(Document* document,
const String& name,
const String& value,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return false;
}
LocalFrame* frame = document->GetFrame();
return frame->GetEditor().ExecuteCommand(name, value);
}
void Internals::triggerTestInspectorIssue(Document* document) {
DCHECK(document);
document->AddInspectorIssue(InspectorIssue::Create(
mojom::InspectorIssueCode::kSameSiteCookiesSameSiteNoneWithoutSecure));
}
AtomicString Internals::htmlNamespace() {
return html_names::xhtmlNamespaceURI;
}
Vector<AtomicString> Internals::htmlTags() {
Vector<AtomicString> tags(html_names::kTagsCount);
std::unique_ptr<const HTMLQualifiedName* []> qualified_names =
html_names::GetTags();
for (wtf_size_t i = 0; i < html_names::kTagsCount; ++i)
tags[i] = qualified_names[i]->LocalName();
return tags;
}
AtomicString Internals::svgNamespace() {
return svg_names::kNamespaceURI;
}
Vector<AtomicString> Internals::svgTags() {
Vector<AtomicString> tags(svg_names::kTagsCount);
std::unique_ptr<const SVGQualifiedName* []> qualified_names =
svg_names::GetTags();
for (wtf_size_t i = 0; i < svg_names::kTagsCount; ++i)
tags[i] = qualified_names[i]->LocalName();
return tags;
}
StaticNodeList* Internals::nodesFromRect(
Document* document,
int x,
int y,
int width,
int height,
bool ignore_clipping,
bool allow_child_frame_content,
ExceptionState& exception_state) const {
DCHECK(document);
if (!document->GetFrame() || !document->GetFrame()->View()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No view can be obtained from the provided document.");
return nullptr;
}
HitTestRequest::HitTestRequestType hit_type = HitTestRequest::kReadOnly |
HitTestRequest::kActive |
HitTestRequest::kListBased;
LocalFrame* frame = document->GetFrame();
PhysicalRect rect{LayoutUnit(x), LayoutUnit(y), LayoutUnit(width),
LayoutUnit(height)};
if (ignore_clipping) {
hit_type |= HitTestRequest::kIgnoreClipping;
} else if (!IntRect(IntPoint(), frame->View()->Size())
.Intersects(EnclosingIntRect(rect))) {
return nullptr;
}
if (allow_child_frame_content)
hit_type |= HitTestRequest::kAllowChildFrameContent;
HeapVector<Member<Node>> matches;
HitTestRequest request(hit_type);
HitTestLocation location(rect);
HitTestResult result(request, location);
frame->ContentLayoutObject()->HitTest(location, result);
CopyToVector(result.ListBasedTestResult(), matches);
return StaticNodeList::Adopt(matches);
}
bool Internals::hasSpellingMarker(Document* document,
int from,
int length,
ExceptionState& exception_state) {
if (!document || !document->GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No frame can be obtained from the provided document.");
return false;
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return document->GetFrame()->GetSpellChecker().SelectionStartHasMarkerFor(
DocumentMarker::kSpelling, from, length);
}
void Internals::replaceMisspelled(Document* document,
const String& replacement,
ExceptionState& exception_state) {
if (!document || !document->GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No frame can be obtained from the provided document.");
return;
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
document->GetFrame()->GetSpellChecker().ReplaceMisspelledRange(replacement);
}
bool Internals::canHyphenate(const AtomicString& locale) {
return LayoutLocale::ValueOrDefault(LayoutLocale::Get(locale))
.GetHyphenation();
}
void Internals::setMockHyphenation(const AtomicString& locale) {
LayoutLocale::SetHyphenationForTesting(locale,
base::AdoptRef(new MockHyphenation));
}
bool Internals::isOverwriteModeEnabled(Document* document) {
DCHECK(document);
if (!document->GetFrame())
return false;
return document->GetFrame()->GetEditor().IsOverwriteModeEnabled();
}
void Internals::toggleOverwriteModeEnabled(Document* document) {
DCHECK(document);
if (!document->GetFrame())
return;
document->GetFrame()->GetEditor().ToggleOverwriteModeEnabled();
}
unsigned Internals::numberOfLiveNodes() const {
return InstanceCounters::CounterValue(InstanceCounters::kNodeCounter);
}
unsigned Internals::numberOfLiveDocuments() const {
return InstanceCounters::CounterValue(InstanceCounters::kDocumentCounter);
}
bool Internals::hasGrammarMarker(Document* document,
int from,
int length,
ExceptionState& exception_state) {
if (!document || !document->GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"No frame can be obtained from the provided document.");
return false;
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return document->GetFrame()->GetSpellChecker().SelectionStartHasMarkerFor(
DocumentMarker::kGrammar, from, length);
}
unsigned Internals::numberOfScrollableAreas(Document* document) {
DCHECK(document);
if (!document->GetFrame())
return 0;
unsigned count = 0;
LocalFrame* frame = document->GetFrame();
if (frame->View()->ScrollableAreas()) {
for (const auto& scrollable_area : *frame->View()->ScrollableAreas()) {
if (scrollable_area->ScrollsOverflow())
count++;
}
}
for (Frame* child = frame->Tree().FirstChild(); child;
child = child->Tree().NextSibling()) {
auto* child_local_frame = DynamicTo<LocalFrame>(child);
if (child_local_frame && child_local_frame->View() &&
child_local_frame->View()->ScrollableAreas()) {
for (const auto& scrollable_area :
*child_local_frame->View()->ScrollableAreas()) {
if (scrollable_area->ScrollsOverflow())
count++;
}
}
}
return count;
}
bool Internals::isPageBoxVisible(Document* document, int page_number) {
DCHECK(document);
return document->IsPageBoxVisible(page_number);
}
String Internals::layerTreeAsText(Document* document,
ExceptionState& exception_state) const {
return layerTreeAsText(document, 0, exception_state);
}
bool Internals::scrollsWithRespectTo(Element* element1,
Element* element2,
ExceptionState& exception_state) {
DCHECK(element1 && element2);
element1->GetDocument().View()->UpdateAllLifecyclePhases(
DocumentUpdateReason::kTest);
LayoutObject* layout_object1 = element1->GetLayoutObject();
LayoutObject* layout_object2 = element2->GetLayoutObject();
if (!layout_object1 || !layout_object1->IsBox()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
layout_object1
? "The first provided element's layoutObject is not a box."
: "The first provided element has no layoutObject.");
return false;
}
if (!layout_object2 || !layout_object2->IsBox()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
layout_object2
? "The second provided element's layoutObject is not a box."
: "The second provided element has no layoutObject.");
return false;
}
PaintLayer* layer1 = ToLayoutBox(layout_object1)->Layer();
PaintLayer* layer2 = ToLayoutBox(layout_object2)->Layer();
if (!layer1 || !layer2) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
String::Format(
"No PaintLayer can be obtained from the %s provided element.",
layer1 ? "second" : "first"));
return false;
}
return layer1->ScrollsWithRespectTo(layer2);
}
String Internals::layerTreeAsText(Document* document,
unsigned flags,
ExceptionState& exception_state) const {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return String();
}
document->View()->UpdateAllLifecyclePhases(DocumentUpdateReason::kTest);
return document->GetFrame()->GetLayerTreeAsTextForTesting(flags);
}
String Internals::scrollingStateTreeAsText(Document*) const {
return String();
}
String Internals::mainThreadScrollingReasons(
Document* document,
ExceptionState& exception_state) const {
DCHECK(document);
if (!document->GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return String();
}
document->GetFrame()->View()->UpdateAllLifecyclePhases(
DocumentUpdateReason::kTest);
return document->GetFrame()->View()->MainThreadScrollingReasonsAsText();
}
void Internals::markGestureScrollRegionDirty(
Document* document,
ExceptionState& exception_state) const {
FrameView* frame_view = document->View();
if (!frame_view || !frame_view->IsLocalFrameView())
return;
LocalFrameView* lfv = static_cast<LocalFrameView*>(frame_view);
lfv->GetScrollingContext()->SetScrollGestureRegionIsDirty(true);
}
DOMRectList* Internals::nonFastScrollableRects(
Document* document,
ExceptionState& exception_state) const {
DCHECK(document);
const LocalFrame* frame = document->GetFrame();
if (!frame) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return nullptr;
}
// Update lifecycle. This includes the compositing update and
// ScrollingCoordinator::UpdateAfterPaint, which computes the non-fast
// scrollable region. For CompositeAfterPaint, this includes running
// PaintArtifactCompositor which updates the non-fast regions.
frame->View()->UpdateAllLifecyclePhases(DocumentUpdateReason::kTest);
auto* pac = document->View()->GetPaintArtifactCompositor();
auto* layer_tree_host = pac->RootLayer()->layer_tree_host();
// Ensure |cc::TransformTree| has updated the correct ToScreen transforms.
layer_tree_host->UpdateLayers();
Vector<IntRect> layer_non_fast_scrollable_rects;
for (auto* layer : *layer_tree_host) {
const cc::Region& non_fast_region = layer->non_fast_scrollable_region();
for (const gfx::Rect& non_fast_rect : non_fast_region) {
gfx::RectF layer_rect(non_fast_rect);
// Map |layer_rect| into screen space.
layer_rect.Offset(layer->offset_to_transform_parent());
auto& transform_tree =
layer->layer_tree_host()->property_trees()->transform_tree;
transform_tree.UpdateTransforms(layer->transform_tree_index());
const gfx::Transform& to_screen =
transform_tree.ToScreen(layer->transform_tree_index());
to_screen.TransformRect(&layer_rect);
layer_non_fast_scrollable_rects.push_back(
IntRect(ToEnclosingRect(layer_rect)));
}
}
return MakeGarbageCollected<DOMRectList>(layer_non_fast_scrollable_rects);
}
void Internals::evictAllResources() const {
GetMemoryCache()->EvictResources();
}
String Internals::counterValue(Element* element) {
if (!element)
return String();
return CounterValueForElement(element);
}
int Internals::pageNumber(Element* element,
float page_width,
float page_height,
ExceptionState& exception_state) {
if (!element)
return 0;
if (page_width <= 0 || page_height <= 0) {
exception_state.ThrowTypeError(
"Page width and height must be larger than 0.");
return 0;
}
return PrintContext::PageNumberForElement(element,
FloatSize(page_width, page_height));
}
Vector<String> Internals::IconURLs(Document* document,
int icon_types_mask) const {
Vector<IconURL> icon_urls = document->IconURLs(icon_types_mask);
Vector<String> array;
for (auto& icon_url : icon_urls)
array.push_back(icon_url.icon_url_.GetString());
return array;
}
Vector<String> Internals::shortcutIconURLs(Document* document) const {
int icon_types_mask =
1 << static_cast<int>(mojom::blink::FaviconIconType::kFavicon);
return IconURLs(document, icon_types_mask);
}
Vector<String> Internals::allIconURLs(Document* document) const {
int icon_types_mask =
1 << static_cast<int>(mojom::blink::FaviconIconType::kFavicon) |
1 << static_cast<int>(mojom::blink::FaviconIconType::kTouchIcon) |
1 << static_cast<int>(
mojom::blink::FaviconIconType::kTouchPrecomposedIcon);
return IconURLs(document, icon_types_mask);
}
int Internals::numberOfPages(float page_width,
float page_height,
ExceptionState& exception_state) {
if (!GetFrame())
return -1;
if (page_width <= 0 || page_height <= 0) {
exception_state.ThrowTypeError(
"Page width and height must be larger than 0.");
return -1;
}
return PrintContext::NumberOfPages(GetFrame(),
FloatSize(page_width, page_height));
}
String Internals::pageProperty(String property_name,
int page_number,
ExceptionState& exception_state) const {
if (!GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No frame is available.");
return String();
}
return PrintContext::PageProperty(GetFrame(), property_name.Utf8().c_str(),
page_number);
}
String Internals::pageSizeAndMarginsInPixels(
int page_number,
int width,
int height,
int margin_top,
int margin_right,
int margin_bottom,
int margin_left,
ExceptionState& exception_state) const {
if (!GetFrame()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No frame is available.");
return String();
}
return PrintContext::PageSizeAndMarginsInPixels(
GetFrame(), page_number, width, height, margin_top, margin_right,
margin_bottom, margin_left);
}
float Internals::pageScaleFactor(ExceptionState& exception_state) {
if (!document_->GetPage()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The document's page cannot be retrieved.");
return 0;
}
Page* page = document_->GetPage();
return page->GetVisualViewport().Scale();
}
void Internals::setPageScaleFactor(float scale_factor,
ExceptionState& exception_state) {
if (scale_factor <= 0)
return;
if (!document_->GetPage()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The document's page cannot be retrieved.");
return;
}
Page* page = document_->GetPage();
page->GetVisualViewport().SetScale(scale_factor);
}
void Internals::setPageScaleFactorLimits(float min_scale_factor,
float max_scale_factor,
ExceptionState& exception_state) {
if (!document_->GetPage()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The document's page cannot be retrieved.");
return;
}
Page* page = document_->GetPage();
page->SetDefaultPageScaleLimits(min_scale_factor, max_scale_factor);
}
void Internals::setIsCursorVisible(Document* document,
bool is_visible,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetPage()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"No context document can be obtained.");
return;
}
document->GetPage()->SetIsCursorVisible(is_visible);
}
String Internals::effectivePreload(HTMLMediaElement* media_element) {
DCHECK(media_element);
return media_element->EffectivePreload();
}
void Internals::mediaPlayerRemoteRouteAvailabilityChanged(
HTMLMediaElement* media_element,
bool available) {
DCHECK(media_element);
RemotePlaybackController::From(*media_element)
->AvailabilityChangedForTesting(available);
}
void Internals::mediaPlayerPlayingRemotelyChanged(
HTMLMediaElement* media_element,
bool remote) {
DCHECK(media_element);
RemotePlaybackController::From(*media_element)
->StateChangedForTesting(remote);
}
void Internals::setPersistent(HTMLVideoElement* video_element,
bool persistent) {
DCHECK(video_element);
video_element->OnBecamePersistentVideo(persistent);
}
void Internals::forceStaleStateForMediaElement(HTMLMediaElement* media_element,
int target_state) {
DCHECK(media_element);
// Even though this is an internals method, the checks are necessary to
// prevent fuzzers from taking this path and generating useless noise.
if (target_state < static_cast<int>(WebMediaPlayer::kReadyStateHaveNothing) ||
target_state >
static_cast<int>(WebMediaPlayer::kReadyStateHaveEnoughData)) {
return;
}
if (auto* wmp = media_element->GetWebMediaPlayer()) {
wmp->ForceStaleStateForTesting(
static_cast<WebMediaPlayer::ReadyState>(target_state));
}
}
bool Internals::isMediaElementSuspended(HTMLMediaElement* media_element) {
DCHECK(media_element);
if (auto* wmp = media_element->GetWebMediaPlayer())
return wmp->IsSuspendedForTesting();
return false;
}
void Internals::setMediaControlsTestMode(HTMLMediaElement* media_element,
bool enable) {
DCHECK(media_element);
MediaControls* media_controls = media_element->GetMediaControls();
DCHECK(media_controls);
media_controls->SetTestMode(enable);
}
void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(
const String& scheme) {
SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(scheme);
}
void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(
const String& scheme,
const Vector<String>& policy_areas) {
uint32_t policy_areas_enum = SchemeRegistry::kPolicyAreaNone;
for (const auto& policy_area : policy_areas) {
if (policy_area == "img")
policy_areas_enum |= SchemeRegistry::kPolicyAreaImage;
else if (policy_area == "style")
policy_areas_enum |= SchemeRegistry::kPolicyAreaStyle;
}
SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(
scheme, static_cast<SchemeRegistry::PolicyAreas>(policy_areas_enum));
}
void Internals::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(
const String& scheme) {
SchemeRegistry::RemoveURLSchemeRegisteredAsBypassingContentSecurityPolicy(
scheme);
}
TypeConversions* Internals::typeConversions() const {
return MakeGarbageCollected<TypeConversions>();
}
DictionaryTest* Internals::dictionaryTest() const {
return MakeGarbageCollected<DictionaryTest>();
}
RecordTest* Internals::recordTest() const {
return MakeGarbageCollected<RecordTest>();
}
SequenceTest* Internals::sequenceTest() const {
return MakeGarbageCollected<SequenceTest>();
}
UnionTypesTest* Internals::unionTypesTest() const {
return MakeGarbageCollected<UnionTypesTest>();
}
OriginTrialsTest* Internals::originTrialsTest() const {
return MakeGarbageCollected<OriginTrialsTest>();
}
CallbackFunctionTest* Internals::callbackFunctionTest() const {
return MakeGarbageCollected<CallbackFunctionTest>();
}
Vector<String> Internals::getReferencedFilePaths() const {
if (!GetFrame())
return Vector<String>();
return GetFrame()
->Loader()
.GetDocumentLoader()
->GetHistoryItem()
->GetReferencedFilePaths();
}
void Internals::startTrackingRepaints(Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->View()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return;
}
LocalFrameView* frame_view = document->View();
frame_view->UpdateAllLifecyclePhases(DocumentUpdateReason::kTest);
frame_view->SetTracksRasterInvalidations(true);
}
void Internals::stopTrackingRepaints(Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->View()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return;
}
LocalFrameView* frame_view = document->View();
frame_view->UpdateAllLifecyclePhases(DocumentUpdateReason::kTest);
frame_view->SetTracksRasterInvalidations(false);
}
void Internals::updateLayoutAndRunPostLayoutTasks(
Node* node,
ExceptionState& exception_state) {
Document* document = nullptr;
if (!node) {
document = document_;
} else if (IsA<Document>(node)) {
document = To<Document>(node);
} else if (auto* iframe = DynamicTo<HTMLIFrameElement>(*node)) {
document = iframe->contentDocument();
}
if (!document) {
exception_state.ThrowTypeError(
"The node provided is neither a document nor an IFrame.");
return;
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
if (auto* view = document->View())
view->FlushAnyPendingPostLayoutTasks();
}
void Internals::forceFullRepaint(Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->View()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return;
}
auto* layout_view = document->GetLayoutView();
if (layout_view)
layout_view->InvalidatePaintForViewAndCompositedLayers();
}
DOMRectList* Internals::draggableRegions(Document* document,
ExceptionState& exception_state) {
return AnnotatedRegions(document, true, exception_state);
}
DOMRectList* Internals::nonDraggableRegions(Document* document,
ExceptionState& exception_state) {
return AnnotatedRegions(document, false, exception_state);
}
DOMRectList* Internals::AnnotatedRegions(Document* document,
bool draggable,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->View()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return MakeGarbageCollected<DOMRectList>();
}
document->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
document->View()->UpdateDocumentAnnotatedRegions();
Vector<AnnotatedRegionValue> regions = document->AnnotatedRegions();
Vector<FloatQuad> quads;
for (const AnnotatedRegionValue& region : regions) {
if (region.draggable == draggable)
quads.push_back(FloatQuad(FloatRect(region.bounds)));
}
return MakeGarbageCollected<DOMRectList>(quads);
}
static const char* CursorTypeToString(
ui::mojom::blink::CursorType cursor_type) {
switch (cursor_type) {
case ui::mojom::blink::CursorType::kPointer:
return "Pointer";
case ui::mojom::blink::CursorType::kCross:
return "Cross";
case ui::mojom::blink::CursorType::kHand:
return "Hand";
case ui::mojom::blink::CursorType::kIBeam:
return "IBeam";
case ui::mojom::blink::CursorType::kWait:
return "Wait";
case ui::mojom::blink::CursorType::kHelp:
return "Help";
case ui::mojom::blink::CursorType::kEastResize:
return "EastResize";
case ui::mojom::blink::CursorType::kNorthResize:
return "NorthResize";
case ui::mojom::blink::CursorType::kNorthEastResize:
return "NorthEastResize";
case ui::mojom::blink::CursorType::kNorthWestResize:
return "NorthWestResize";
case ui::mojom::blink::CursorType::kSouthResize:
return "SouthResize";
case ui::mojom::blink::CursorType::kSouthEastResize:
return "SouthEastResize";
case ui::mojom::blink::CursorType::kSouthWestResize:
return "SouthWestResize";
case ui::mojom::blink::CursorType::kWestResize:
return "WestResize";
case ui::mojom::blink::CursorType::kNorthSouthResize:
return "NorthSouthResize";
case ui::mojom::blink::CursorType::kEastWestResize:
return "EastWestResize";
case ui::mojom::blink::CursorType::kNorthEastSouthWestResize:
return "NorthEastSouthWestResize";
case ui::mojom::blink::CursorType::kNorthWestSouthEastResize:
return "NorthWestSouthEastResize";
case ui::mojom::blink::CursorType::kColumnResize:
return "ColumnResize";
case ui::mojom::blink::CursorType::kRowResize:
return "RowResize";
case ui::mojom::blink::CursorType::kMiddlePanning:
return "MiddlePanning";
case ui::mojom::blink::CursorType::kMiddlePanningVertical:
return "MiddlePanningVertical";
case ui::mojom::blink::CursorType::kMiddlePanningHorizontal:
return "MiddlePanningHorizontal";
case ui::mojom::blink::CursorType::kEastPanning:
return "EastPanning";
case ui::mojom::blink::CursorType::kNorthPanning:
return "NorthPanning";
case ui::mojom::blink::CursorType::kNorthEastPanning:
return "NorthEastPanning";
case ui::mojom::blink::CursorType::kNorthWestPanning:
return "NorthWestPanning";
case ui::mojom::blink::CursorType::kSouthPanning:
return "SouthPanning";
case ui::mojom::blink::CursorType::kSouthEastPanning:
return "SouthEastPanning";
case ui::mojom::blink::CursorType::kSouthWestPanning:
return "SouthWestPanning";
case ui::mojom::blink::CursorType::kWestPanning:
return "WestPanning";
case ui::mojom::blink::CursorType::kMove:
return "Move";
case ui::mojom::blink::CursorType::kVerticalText:
return "VerticalText";
case ui::mojom::blink::CursorType::kCell:
return "Cell";
case ui::mojom::blink::CursorType::kContextMenu:
return "ContextMenu";
case ui::mojom::blink::CursorType::kAlias:
return "Alias";
case ui::mojom::blink::CursorType::kProgress:
return "Progress";
case ui::mojom::blink::CursorType::kNoDrop:
return "NoDrop";
case ui::mojom::blink::CursorType::kCopy:
return "Copy";
case ui::mojom::blink::CursorType::kNone:
return "None";
case ui::mojom::blink::CursorType::kNotAllowed:
return "NotAllowed";
case ui::mojom::blink::CursorType::kZoomIn:
return "ZoomIn";
case ui::mojom::blink::CursorType::kZoomOut:
return "ZoomOut";
case ui::mojom::blink::CursorType::kGrab:
return "Grab";
case ui::mojom::blink::CursorType::kGrabbing:
return "Grabbing";
case ui::mojom::blink::CursorType::kCustom:
return "Custom";
case ui::mojom::blink::CursorType::kNull:
return "Null";
case ui::mojom::blink::CursorType::kDndNone:
return "DragAndDropNone";
case ui::mojom::blink::CursorType::kDndMove:
return "DragAndDropMove";
case ui::mojom::blink::CursorType::kDndCopy:
return "DragAndDropCopy";
case ui::mojom::blink::CursorType::kDndLink:
return "DragAndDropLink";
}
NOTREACHED();
return "UNKNOWN";
}
String Internals::getCurrentCursorInfo() {
if (!GetFrame())
return String();
ui::Cursor cursor =
GetFrame()->GetPage()->GetChromeClient().LastSetCursorForTesting();
StringBuilder result;
result.Append("type=");
result.Append(CursorTypeToString(cursor.type()));
if (cursor.type() == ui::mojom::blink::CursorType::kCustom) {
result.Append(" hotSpot=");
result.AppendNumber(cursor.custom_hotspot().x());
result.Append(',');
result.AppendNumber(cursor.custom_hotspot().y());
SkBitmap bitmap = cursor.custom_bitmap();
DCHECK(!bitmap.isNull());
result.Append(" image=");
result.AppendNumber(bitmap.width());
result.Append('x');
result.AppendNumber(bitmap.height());
}
if (cursor.image_scale_factor() != 1) {
result.Append(" scale=");
result.AppendNumber(cursor.image_scale_factor(), 8);
}
return result.ToString();
}
bool Internals::cursorUpdatePending() const {
if (!GetFrame())
return false;
return GetFrame()->GetEventHandler().CursorUpdatePending();
}
DOMArrayBuffer* Internals::serializeObject(
v8::Isolate* isolate,
const ScriptValue& value,
ExceptionState& exception_state) const {
scoped_refptr<SerializedScriptValue> serialized_value =
SerializedScriptValue::Serialize(
isolate, value.V8Value(),
SerializedScriptValue::SerializeOptions(
SerializedScriptValue::kNotForStorage),
exception_state);
if (exception_state.HadException())
return nullptr;
base::span<const uint8_t> span = serialized_value->GetWireData();
DOMArrayBuffer* buffer = DOMArrayBuffer::CreateUninitializedOrNull(
SafeCast<uint32_t>(span.size()), sizeof(uint8_t));
if (buffer)
memcpy(buffer->Data(), span.data(), span.size());
return buffer;
}
ScriptValue Internals::deserializeBuffer(v8::Isolate* isolate,
DOMArrayBuffer* buffer) const {
scoped_refptr<SerializedScriptValue> serialized_value =
SerializedScriptValue::Create(static_cast<const char*>(buffer->Data()),
buffer->ByteLengthAsSizeT());
return ScriptValue(isolate, serialized_value->Deserialize(isolate));
}
void Internals::forceReload(bool bypass_cache) {
if (!GetFrame())
return;
GetFrame()->Reload(bypass_cache ? WebFrameLoadType::kReloadBypassingCache
: WebFrameLoadType::kReload);
}
StaticSelection* Internals::getDragCaret() {
SelectionInDOMTree::Builder builder;
if (GetFrame()) {
const DragCaret& caret = GetFrame()->GetPage()->GetDragCaret();
const PositionWithAffinity& position = caret.CaretPosition();
if (position.GetDocument() == GetFrame()->GetDocument())
builder.Collapse(caret.CaretPosition());
}
return StaticSelection::FromSelectionInDOMTree(builder.Build());
}
StaticSelection* Internals::getSelectionInFlatTree(
DOMWindow* window,
ExceptionState& exception_state) {
Frame* const frame = window->GetFrame();
auto* local_frame = DynamicTo<LocalFrame>(frame);
if (!local_frame) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"Must supply local window");
return nullptr;
}
return StaticSelection::FromSelectionInFlatTree(ConvertToSelectionInFlatTree(
local_frame->Selection().GetSelectionInDOMTree()));
}
Node* Internals::visibleSelectionAnchorNode() {
if (!GetFrame())
return nullptr;
Position position = GetFrame()
->Selection()
.ComputeVisibleSelectionInDOMTreeDeprecated()
.Base();
return position.IsNull() ? nullptr : position.ComputeContainerNode();
}
unsigned Internals::visibleSelectionAnchorOffset() {
if (!GetFrame())
return 0;
Position position = GetFrame()
->Selection()
.ComputeVisibleSelectionInDOMTreeDeprecated()
.Base();
return position.IsNull() ? 0 : position.ComputeOffsetInContainerNode();
}
Node* Internals::visibleSelectionFocusNode() {
if (!GetFrame())
return nullptr;
Position position = GetFrame()
->Selection()
.ComputeVisibleSelectionInDOMTreeDeprecated()
.Extent();
return position.IsNull() ? nullptr : position.ComputeContainerNode();
}
unsigned Internals::visibleSelectionFocusOffset() {
if (!GetFrame())
return 0;
Position position = GetFrame()
->Selection()
.ComputeVisibleSelectionInDOMTreeDeprecated()
.Extent();
return position.IsNull() ? 0 : position.ComputeOffsetInContainerNode();
}
DOMRect* Internals::selectionBounds(ExceptionState& exception_state) {
if (!GetFrame()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The document's frame cannot be retrieved.");
return nullptr;
}
return DOMRect::FromFloatRect(
FloatRect(GetFrame()->Selection().AbsoluteUnclippedBounds()));
}
String Internals::markerTextForListItem(Element* element) {
DCHECK(element);
return blink::MarkerTextForListItem(element);
}
String Internals::getImageSourceURL(Element* element) {
DCHECK(element);
return element->ImageSourceURL();
}
void Internals::forceImageReload(Element* element,
ExceptionState& exception_state) {
auto* html_image_element = DynamicTo<HTMLImageElement>(element);
if (!html_image_element) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The element should be HTMLImageElement.");
}
html_image_element->ForceReload();
}
String Internals::selectMenuListText(HTMLSelectElement* select) {
DCHECK(select);
if (!select->UsesMenuList())
return String();
return select->InnerElement().innerText();
}
bool Internals::isSelectPopupVisible(Node* node) {
DCHECK(node);
if (auto* select = DynamicTo<HTMLSelectElement>(*node))
return select->PopupIsVisible();
return false;
}
bool Internals::selectPopupItemStyleIsRtl(Node* node, int item_index) {
auto* select = DynamicTo<HTMLSelectElement>(node);
if (!select)
return false;
if (item_index < 0 ||
static_cast<wtf_size_t>(item_index) >= select->GetListItems().size())
return false;
const ComputedStyle* item_style =
select->ItemComputedStyle(*select->GetListItems()[item_index]);
return item_style && item_style->Direction() == TextDirection::kRtl;
}
int Internals::selectPopupItemStyleFontHeight(Node* node, int item_index) {
auto* select = DynamicTo<HTMLSelectElement>(node);
if (!select)
return false;
if (item_index < 0 ||
static_cast<wtf_size_t>(item_index) >= select->GetListItems().size())
return false;
const ComputedStyle* item_style =
select->ItemComputedStyle(*select->GetListItems()[item_index]);
if (item_style) {
const SimpleFontData* font_data = item_style->GetFont().PrimaryFont();
DCHECK(font_data);
return font_data ? font_data->GetFontMetrics().Height() : 0;
}
return 0;
}
void Internals::resetTypeAheadSession(HTMLSelectElement* select) {
DCHECK(select);
select->ResetTypeAheadSessionForTesting();
}
bool Internals::loseSharedGraphicsContext3D() {
std::unique_ptr<WebGraphicsContext3DProvider> shared_provider =
Platform::Current()->CreateSharedOffscreenGraphicsContext3DProvider();
if (!shared_provider)
return false;
gpu::gles2::GLES2Interface* shared_gl = shared_provider->ContextGL();
shared_gl->LoseContextCHROMIUM(GL_GUILTY_CONTEXT_RESET_EXT,
GL_INNOCENT_CONTEXT_RESET_EXT);
// To prevent tests that call loseSharedGraphicsContext3D from being
// flaky, we call finish so that the context is guaranteed to be lost
// synchronously (i.e. before returning).
shared_gl->Finish();
return true;
}
void Internals::forceCompositingUpdate(Document* document,
ExceptionState& exception_state) {
DCHECK(document);
if (!document->GetLayoutView()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidAccessError,
"The document provided is invalid.");
return;
}
document->GetFrame()->View()->UpdateAllLifecyclePhases(
DocumentUpdateReason::kTest);
}
void Internals::setShouldRevealPassword(Element* element,
bool reveal,
ExceptionState& exception_state) {
DCHECK(element);
auto* html_input_element = DynamicTo<HTMLInputElement>(element);
if (!html_input_element) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidNodeTypeError,
"The element provided is not an INPUT.");
return;
}
return html_input_element->SetShouldRevealPassword(reveal);
}
namespace {
class AddOneFunction : public ScriptFunction {
public:
static v8::Local<v8::Function> CreateFunction(ScriptState* script_state) {
AddOneFunction* self = MakeGarbageCollected<AddOneFunction>(script_state);
return self->BindToV8Function();
}
explicit AddOneFunction(ScriptState* script_state)
: ScriptFunction(script_state) {}
private:
ScriptValue Call(ScriptValue value) override {
v8::Local<v8::Value> v8_value = value.V8Value();
DCHECK(v8_value->IsNumber());
int32_t int_value =
static_cast<int32_t>(v8_value.As<v8::Integer>()->Value());
return ScriptValue(
GetScriptState()->GetIsolate(),
v8::Integer::New(GetScriptState()->GetIsolate(), int_value + 1));
}
};
} // namespace
ScriptPromise Internals::createResolvedPromise(ScriptState* script_state,
ScriptValue value) {
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
resolver->Resolve(value);
return promise;
}
ScriptPromise Internals::createRejectedPromise(ScriptState* script_state,
ScriptValue value) {
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
resolver->Reject(value);
return promise;
}
ScriptPromise Internals::addOneToPromise(ScriptState* script_state,
ScriptPromise promise) {
return promise.Then(AddOneFunction::CreateFunction(script_state));
}
ScriptPromise Internals::promiseCheck(ScriptState* script_state,
int32_t arg1,
bool arg2,
const ScriptValue& arg3,
const String& arg4,
const Vector<String>& arg5,
ExceptionState& exception_state) {
if (arg2)
return ScriptPromise::Cast(script_state,
V8String(script_state->GetIsolate(), "done"));
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"Thrown from the native implementation.");
return ScriptPromise();
}
ScriptPromise Internals::promiseCheckWithoutExceptionState(
ScriptState* script_state,
const ScriptValue& arg1,
const String& arg2,
const Vector<String>& arg3) {
return ScriptPromise::Cast(script_state,
V8String(script_state->GetIsolate(), "done"));
}
ScriptPromise Internals::promiseCheckRange(ScriptState* script_state,
int32_t arg1) {
return ScriptPromise::Cast(script_state,
V8String(script_state->GetIsolate(), "done"));
}
ScriptPromise Internals::promiseCheckOverload(ScriptState* script_state,
Location*) {
return ScriptPromise::Cast(script_state,
V8String(script_state->GetIsolate(), "done"));
}
ScriptPromise Internals::promiseCheckOverload(ScriptState* script_state,
Document*) {
return ScriptPromise::Cast(script_state,
V8String(script_state->GetIsolate(), "done"));
}
ScriptPromise Internals::promiseCheckOverload(ScriptState* script_state,
Location*,
int32_t,
int32_t) {
return ScriptPromise::Cast(script_state,
V8String(script_state->GetIsolate(), "done"));
}
void Internals::Trace(Visitor* visitor) {
visitor->Trace(runtime_flags_);
visitor->Trace(document_);
ScriptWrappable::Trace(visitor);
}
void Internals::setValueForUser(HTMLInputElement* element,
const String& value) {
element->SetValueForUser(value);
}
void Internals::setFocused(bool focused) {
if (!GetFrame())
return;
GetFrame()->GetPage()->GetFocusController().SetFocused(focused);
}
void Internals::setInitialFocus(bool reverse) {
if (!GetFrame())
return;
GetFrame()->GetDocument()->ClearFocusedElement();
GetFrame()->GetPage()->GetFocusController().SetInitialFocus(
reverse ? mojom::blink::FocusType::kBackward
: mojom::blink::FocusType::kForward);
}
Element* Internals::interestedElement() {
if (!GetFrame() || !GetFrame()->GetPage())
return nullptr;
if (!RuntimeEnabledFeatures::FocuslessSpatialNavigationEnabled()) {
return To<LocalFrame>(
GetFrame()->GetPage()->GetFocusController().FocusedOrMainFrame())
->GetDocument()
->ActiveElement();
}
return GetFrame()
->GetPage()
->GetSpatialNavigationController()
.GetInterestedElement();
}
bool Internals::isInCanvasFontCache(Document* document,
const String& font_string) {
return document->GetCanvasFontCache()->IsInCache(font_string);
}
unsigned Internals::canvasFontCacheMaxFonts() {
return CanvasFontCache::MaxFonts();
}
void Internals::setScrollChain(ScrollState* scroll_state,
const HeapVector<Member<Element>>& elements,
ExceptionState&) {
Deque<DOMNodeId> scroll_chain;
for (wtf_size_t i = 0; i < elements.size(); ++i)
scroll_chain.push_back(DOMNodeIds::IdForNode(elements[i].Get()));
scroll_state->SetScrollChain(scroll_chain);
}
void Internals::scheduleBlinkGC() {
ThreadState::Current()->ScheduleForcedGCForTesting();
}
String Internals::selectedHTMLForClipboard() {
if (!GetFrame())
return String();
// Selection normalization and markup generation require clean layout.
GetFrame()->GetDocument()->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return GetFrame()->Selection().SelectedHTMLForClipboard();
}
String Internals::selectedTextForClipboard() {
if (!GetFrame() || !GetFrame()->GetDocument())
return String();
// Clean layout is required for extracting plain text from selection.
GetFrame()->GetDocument()->UpdateStyleAndLayout(DocumentUpdateReason::kTest);
return GetFrame()->Selection().SelectedTextForClipboard();
}
void Internals::setVisualViewportOffset(int x, int y) {
if (!GetFrame())
return;
GetFrame()->GetPage()->GetVisualViewport().SetLocation(FloatPoint(x, y));
}
bool Internals::isUseCounted(Document* document, uint32_t feature) {
if (feature >= static_cast<int32_t>(WebFeature::kNumberOfFeatures))
return false;
return document->IsUseCounted(static_cast<WebFeature>(feature));
}
bool Internals::isCSSPropertyUseCounted(Document* document,
const String& property_name) {
return document->IsPropertyCounted(
unresolvedCSSPropertyID(document->ToExecutionContext(), property_name));
}
bool Internals::isAnimatedCSSPropertyUseCounted(Document* document,
const String& property_name) {
return document->IsAnimatedPropertyCounted(
unresolvedCSSPropertyID(document->ToExecutionContext(), property_name));
}
void Internals::clearUseCounter(Document* document, uint32_t feature) {
if (feature >= static_cast<int32_t>(WebFeature::kNumberOfFeatures))
return;
document->ClearUseCounterForTesting(static_cast<WebFeature>(feature));
}
Vector<String> Internals::getCSSPropertyLonghands() const {
Vector<String> result;
for (CSSPropertyID property : CSSPropertyIDList()) {
const CSSProperty& property_class = CSSProperty::Get(property);
if (property_class.IsLonghand()) {
result.push_back(property_class.GetPropertyNameString());
}
}
return result;
}
Vector<String> Internals::getCSSPropertyShorthands() const {
Vector<String> result;
for (CSSPropertyID property : CSSPropertyIDList()) {
const CSSProperty& property_class = CSSProperty::Get(property);
if (property_class.IsShorthand()) {
result.push_back(property_class.GetPropertyNameString());
}
}
return result;
}
Vector<String> Internals::getCSSPropertyAliases() const {
Vector<String> result;
for (CSSPropertyID alias : kCSSPropertyAliasList) {
DCHECK(isPropertyAlias(alias));
result.push_back(CSSUnresolvedProperty::GetAliasProperty(alias)
->GetPropertyNameString());
}
return result;
}
ScriptPromise Internals::observeUseCounter(ScriptState* script_state,
Document* document,
uint32_t feature) {
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
if (feature >= static_cast<int32_t>(WebFeature::kNumberOfFeatures)) {
resolver->Reject();
return promise;
}
WebFeature use_counter_feature = static_cast<WebFeature>(feature);
if (document->IsUseCounted(use_counter_feature)) {
resolver->Resolve();
return promise;
}
DocumentLoader* loader = document->Loader();
if (!loader) {
resolver->Reject();
return promise;
}
loader->GetUseCounterHelper().AddObserver(
MakeGarbageCollected<UseCounterHelperObserverImpl>(
resolver, static_cast<WebFeature>(use_counter_feature)));
return promise;
}
String Internals::unscopableAttribute() {
return "unscopableAttribute";
}
String Internals::unscopableMethod() {
return "unscopableMethod";
}
void Internals::setCapsLockState(bool enabled) {
KeyboardEventManager::SetCurrentCapsLockState(
enabled ? OverrideCapsLockState::kOn : OverrideCapsLockState::kOff);
}
void Internals::setPseudoClassState(Element* element,
const String& pseudo,
bool matches,
ExceptionState& exception_state) {
if (!element->GetDocument().SetPseudoStateForTesting(*element, pseudo,
matches)) {
exception_state.ThrowDOMException(DOMExceptionCode::kNotSupportedError,
pseudo + " is not supported");
}
}
bool Internals::setScrollbarVisibilityInScrollableArea(Node* node,
bool visible) {
if (ScrollableArea* scrollable_area = ScrollableAreaForNode(node)) {
scrollable_area->SetScrollbarsHiddenIfOverlay(!visible);
scrollable_area->GetScrollAnimator().SetScrollbarsVisibleForTesting(
visible);
return scrollable_area->GetPageScrollbarTheme().UsesOverlayScrollbars();
}
return false;
}
double Internals::monotonicTimeToZeroBasedDocumentTime(
double platform_time,
ExceptionState& exception_state) {
return document_->Loader()
->GetTiming()
.MonotonicTimeToZeroBasedDocumentTime(
base::TimeTicks() + base::TimeDelta::FromSecondsD(platform_time))
.InSecondsF();
}
int64_t Internals::currentTimeTicks() {
return base::TimeTicks::Now().since_origin().InMicroseconds();
}
String Internals::getScrollAnimationState(Node* node) const {
if (ScrollableArea* scrollable_area = ScrollableAreaForNode(node))
return scrollable_area->GetScrollAnimator().RunStateAsText();
return String();
}
String Internals::getProgrammaticScrollAnimationState(Node* node) const {
if (ScrollableArea* scrollable_area = ScrollableAreaForNode(node))
return scrollable_area->GetProgrammaticScrollAnimator().RunStateAsText();
return String();
}
DOMRect* Internals::visualRect(Node* node) {
if (!node || !node->GetLayoutObject())
return DOMRect::Create();
return DOMRect::FromFloatRect(
FloatRect(node->GetLayoutObject()->FragmentsVisualRectBoundingBox()));
}
void Internals::crash() {
CHECK(false) << "Intentional crash";
}
String Internals::evaluateInInspectorOverlay(const String& script) {
LocalFrame* frame = GetFrame();
if (frame && frame->Client())
return frame->Client()->evaluateInInspectorOverlayForTesting(script);
return g_empty_string;
}
void Internals::setIsLowEndDevice(bool is_low_end_device) {
MemoryPressureListenerRegistry::SetIsLowEndDeviceForTesting(
is_low_end_device);
}
bool Internals::isLowEndDevice() const {
return MemoryPressureListenerRegistry::IsLowEndDevice();
}
Vector<String> Internals::supportedTextEncodingLabels() const {
return WTF::TextEncodingAliasesForTesting();
}
void Internals::simulateRasterUnderInvalidations(bool enable) {
RasterInvalidationTracking::SimulateRasterUnderInvalidations(enable);
}
unsigned Internals::LifecycleUpdateCount() const {
return document_->View()->LifecycleUpdateCountForTesting();
}
void Internals::DisableIntersectionObserverThrottleDelay() const {
// This gets reset by Internals::ResetToConsistentState
IntersectionObserver::SetThrottleDelayEnabledForTesting(false);
}
bool Internals::isSiteIsolated(HTMLIFrameElement* iframe) const {
return iframe->ContentFrame() && iframe->ContentFrame()->IsRemoteFrame();
}
bool Internals::isTrackingOcclusionForIFrame(HTMLIFrameElement* iframe) const {
if (!iframe->ContentFrame() || !iframe->ContentFrame()->IsRemoteFrame())
return false;
RemoteFrame* remote_frame = To<RemoteFrame>(iframe->ContentFrame());
return remote_frame->View()->NeedsOcclusionTracking();
}
void Internals::addEmbedderCustomElementName(const AtomicString& name,
ExceptionState& exception_state) {
CustomElement::AddEmbedderCustomElementNameForTesting(name, exception_state);
}
String Internals::resolveModuleSpecifier(const String& specifier,
const String& base_url_string,
Document* document,
ExceptionState& exception_state) {
Modulator* modulator =
Modulator::From(ToScriptStateForMainWorld(document->GetFrame()));
if (!modulator) {
V8ThrowException::ThrowTypeError(
v8::Isolate::GetCurrent(),
"Failed to resolve module specifier " + specifier + ": No modulator");
return NullURL();
}
const KURL base_url = document->CompleteURL(base_url_string);
String failure_reason = "Failed";
const KURL result =
modulator->ResolveModuleSpecifier(specifier, base_url, &failure_reason);
if (!result.IsValid()) {
V8ThrowException::ThrowTypeError(v8::Isolate::GetCurrent(),
"Failed to resolve module specifier " +
specifier + ": " + failure_reason);
return NullURL();
}
return result.GetString();
}
String Internals::getParsedImportMap(Document* document,
ExceptionState& exception_state) {
Modulator* modulator =
Modulator::From(ToScriptStateForMainWorld(document->GetFrame()));
if (!modulator) {
V8ThrowException::ThrowTypeError(v8::Isolate::GetCurrent(), "No modulator");
return String();
}
const ImportMap* import_map = modulator->GetImportMapForTest();
if (!import_map)
return "{}";
return import_map->ToString();
}
void Internals::setDeviceEmulationScale(float scale,
ExceptionState& exception_state) {
if (scale <= 0)
return;
auto* page = document_->GetPage();
if (!page) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidAccessError,
"The document's page cannot be retrieved.");
return;
}
WebDeviceEmulationParams params;
params.scale = scale;
page->GetChromeClient().GetWebView()->EnableDeviceEmulation(params);
}
void Internals::ResolveResourcePriority(ScriptPromiseResolver* resolver,
int resource_load_priority) {
resolver->Resolve(resource_load_priority);
}
String Internals::getAgentId(DOMWindow* window) {
// Sounds like there's no notion of "process ID" in Blink, but the main
// thread's thread ID serves for that purpose.
PlatformThreadId process_id = Thread::MainThread()->ThreadId();
uintptr_t agent_address =
reinterpret_cast<uintptr_t>(To<LocalDOMWindow>(window)->GetAgent());
// This serializes a pointer as a decimal number, which is a bit ugly, but
// it works. Is there any utility to dump a number in a hexadecimal form?
// I couldn't find one in WTF.
return String::Number(process_id) + ":" + String::Number(agent_address);
}
void Internals::useMockOverlayScrollbars() {
g_s_mock_overlay_scrollbars.reset(new ScopedMockOverlayScrollbars(true));
}
bool Internals::overlayScrollbarsEnabled() const {
return ScrollbarThemeSettings::OverlayScrollbarsEnabled();
}
} // namespace blink