| /* |
| * Copyright (C) 2010 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (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/html/forms/color_input_type.h" |
| |
| #include "third_party/blink/renderer/bindings/core/v8/script_controller.h" |
| #include "third_party/blink/renderer/core/css/css_property_names.h" |
| #include "third_party/blink/renderer/core/dom/events/scoped_event_queue.h" |
| #include "third_party/blink/renderer/core/dom/shadow_root.h" |
| #include "third_party/blink/renderer/core/events/mouse_event.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_view.h" |
| #include "third_party/blink/renderer/core/frame/use_counter.h" |
| #include "third_party/blink/renderer/core/frame/web_feature.h" |
| #include "third_party/blink/renderer/core/html/forms/color_chooser.h" |
| #include "third_party/blink/renderer/core/html/forms/html_data_list_element.h" |
| #include "third_party/blink/renderer/core/html/forms/html_data_list_options_collection.h" |
| #include "third_party/blink/renderer/core/html/forms/html_input_element.h" |
| #include "third_party/blink/renderer/core/html/forms/html_option_element.h" |
| #include "third_party/blink/renderer/core/html/html_div_element.h" |
| #include "third_party/blink/renderer/core/input_type_names.h" |
| #include "third_party/blink/renderer/core/layout/layout_theme.h" |
| #include "third_party/blink/renderer/core/page/chrome_client.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/graphics/color.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| using namespace html_names; |
| |
| // Upper limit of number of datalist suggestions shown. |
| static const unsigned kMaxSuggestions = 1000; |
| // Upper limit for the length of the labels for datalist suggestions. |
| static const unsigned kMaxSuggestionLabelLength = 1000; |
| |
| static bool IsValidColorString(const String& value) { |
| if (value.IsEmpty()) |
| return false; |
| if (value[0] != '#') |
| return false; |
| |
| // We don't accept #rgb and #aarrggbb formats. |
| if (value.length() != 7) |
| return false; |
| Color color; |
| return color.SetFromString(value) && !color.HasAlpha(); |
| } |
| |
| ColorInputType::ColorInputType(HTMLInputElement& element) |
| : InputType(element), KeyboardClickableInputTypeView(element) {} |
| |
| InputType* ColorInputType::Create(HTMLInputElement& element) { |
| return MakeGarbageCollected<ColorInputType>(element); |
| } |
| |
| ColorInputType::~ColorInputType() = default; |
| |
| void ColorInputType::Trace(blink::Visitor* visitor) { |
| visitor->Trace(chooser_); |
| KeyboardClickableInputTypeView::Trace(visitor); |
| ColorChooserClient::Trace(visitor); |
| InputType::Trace(visitor); |
| } |
| |
| InputTypeView* ColorInputType::CreateView() { |
| return this; |
| } |
| |
| InputType::ValueMode ColorInputType::GetValueMode() const { |
| return ValueMode::kValue; |
| } |
| |
| void ColorInputType::CountUsage() { |
| CountUsageIfVisible(WebFeature::kInputTypeColor); |
| } |
| |
| const AtomicString& ColorInputType::FormControlType() const { |
| return input_type_names::kColor; |
| } |
| |
| bool ColorInputType::SupportsRequired() const { |
| return false; |
| } |
| |
| String ColorInputType::SanitizeValue(const String& proposed_value) const { |
| if (!IsValidColorString(proposed_value)) |
| return "#000000"; |
| return proposed_value.DeprecatedLower(); |
| } |
| |
| Color ColorInputType::ValueAsColor() const { |
| Color color; |
| bool success = color.SetFromString(GetElement().value()); |
| DCHECK(success); |
| return color; |
| } |
| |
| void ColorInputType::CreateShadowSubtree() { |
| DCHECK(IsShadowHost(GetElement())); |
| |
| Document& document = GetElement().GetDocument(); |
| HTMLDivElement* wrapper_element = HTMLDivElement::Create(document); |
| wrapper_element->SetShadowPseudoId( |
| AtomicString("-webkit-color-swatch-wrapper")); |
| HTMLDivElement* color_swatch = HTMLDivElement::Create(document); |
| color_swatch->SetShadowPseudoId(AtomicString("-webkit-color-swatch")); |
| wrapper_element->AppendChild(color_swatch); |
| GetElement().UserAgentShadowRoot()->AppendChild(wrapper_element); |
| |
| GetElement().UpdateView(); |
| } |
| |
| void ColorInputType::DidSetValue(const String&, bool value_changed) { |
| if (!value_changed) |
| return; |
| GetElement().UpdateView(); |
| if (chooser_) |
| chooser_->SetSelectedColor(ValueAsColor()); |
| } |
| |
| void ColorInputType::HandleDOMActivateEvent(Event& event) { |
| if (GetElement().IsDisabledFormControl()) |
| return; |
| |
| Document& document = GetElement().GetDocument(); |
| if (!LocalFrame::HasTransientUserActivation(document.GetFrame())) |
| return; |
| |
| ChromeClient* chrome_client = GetChromeClient(); |
| if (chrome_client && !chooser_) { |
| UseCounter::Count( |
| document, |
| (event.UnderlyingEvent() && event.UnderlyingEvent()->isTrusted()) |
| ? WebFeature::kColorInputTypeChooserByTrustedClick |
| : WebFeature::kColorInputTypeChooserByUntrustedClick); |
| chooser_ = chrome_client->OpenColorChooser(document.GetFrame(), this, |
| ValueAsColor()); |
| } |
| |
| event.SetDefaultHandled(); |
| } |
| |
| void ColorInputType::ClosePopupView() { |
| EndColorChooser(); |
| } |
| |
| bool ColorInputType::ShouldRespectListAttribute() { |
| return true; |
| } |
| |
| bool ColorInputType::TypeMismatchFor(const String& value) const { |
| return !IsValidColorString(value); |
| } |
| |
| void ColorInputType::WarnIfValueIsInvalid(const String& value) const { |
| if (!DeprecatedEqualIgnoringCase(value, GetElement().SanitizeValue(value))) |
| AddWarningToConsole( |
| "The specified value %s does not conform to the required format. The " |
| "format is \"#rrggbb\" where rr, gg, bb are two-digit hexadecimal " |
| "numbers.", |
| value); |
| } |
| |
| void ColorInputType::ValueAttributeChanged() { |
| if (!GetElement().HasDirtyValue()) |
| GetElement().UpdateView(); |
| } |
| |
| void ColorInputType::DidChooseColor(const Color& color) { |
| if (GetElement().IsDisabledFormControl() || color == ValueAsColor()) |
| return; |
| EventQueueScope scope; |
| GetElement().SetValueFromRenderer(color.Serialized()); |
| GetElement().UpdateView(); |
| if (!LayoutTheme::GetTheme().IsModalColorChooser()) |
| GetElement().DispatchFormControlChangeEvent(); |
| } |
| |
| void ColorInputType::DidEndChooser() { |
| if (LayoutTheme::GetTheme().IsModalColorChooser()) |
| GetElement().EnqueueChangeEvent(); |
| chooser_.Clear(); |
| } |
| |
| void ColorInputType::EndColorChooser() { |
| if (chooser_) |
| chooser_->EndChooser(); |
| } |
| |
| void ColorInputType::UpdateView() { |
| HTMLElement* color_swatch = ShadowColorSwatch(); |
| if (!color_swatch) |
| return; |
| |
| color_swatch->SetInlineStyleProperty(CSSPropertyBackgroundColor, |
| GetElement().value()); |
| } |
| |
| HTMLElement* ColorInputType::ShadowColorSwatch() const { |
| ShadowRoot* shadow = GetElement().UserAgentShadowRoot(); |
| return shadow ? ToHTMLElementOrDie(shadow->firstChild()->firstChild()) |
| : nullptr; |
| } |
| |
| Element& ColorInputType::OwnerElement() const { |
| return GetElement(); |
| } |
| |
| IntRect ColorInputType::ElementRectRelativeToViewport() const { |
| return GetElement().GetDocument().View()->FrameToViewport( |
| GetElement().PixelSnappedBoundingBox()); |
| } |
| |
| Color ColorInputType::CurrentColor() { |
| return ValueAsColor(); |
| } |
| |
| bool ColorInputType::ShouldShowSuggestions() const { |
| return GetElement().FastHasAttribute(kListAttr); |
| } |
| |
| Vector<mojom::blink::ColorSuggestionPtr> ColorInputType::Suggestions() const { |
| Vector<mojom::blink::ColorSuggestionPtr> suggestions; |
| HTMLDataListElement* data_list = GetElement().DataList(); |
| if (data_list) { |
| HTMLDataListOptionsCollection* options = data_list->options(); |
| for (unsigned i = 0; HTMLOptionElement* option = options->Item(i); i++) { |
| if (option->IsDisabledFormControl() || option->value().IsEmpty()) |
| continue; |
| if (!GetElement().IsValidValue(option->value())) |
| continue; |
| Color color; |
| if (!color.SetFromString(option->value())) |
| continue; |
| suggestions.push_back(mojom::blink::ColorSuggestion::New( |
| color.Rgb(), option->label().Left(kMaxSuggestionLabelLength))); |
| if (suggestions.size() >= kMaxSuggestions) |
| break; |
| } |
| } |
| return suggestions; |
| } |
| |
| AXObject* ColorInputType::PopupRootAXObject() { |
| return chooser_ ? chooser_->RootAXObject() : nullptr; |
| } |
| |
| ColorChooserClient* ColorInputType::GetColorChooserClient() { |
| return this; |
| } |
| |
| } // namespace blink |