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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/app_banner/before_install_prompt_event.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/use_counter.h"
#include "third_party/blink/renderer/modules/app_banner/before_install_prompt_event_init.h"
namespace blink {
BeforeInstallPromptEvent::BeforeInstallPromptEvent(
const AtomicString& name,
LocalFrame& frame,
mojom::blink::AppBannerServicePtr service_ptr,
mojom::blink::AppBannerEventRequest event_request,
const Vector<String>& platforms,
bool require_gesture)
: Event(name, Bubbles::kNo, Cancelable::kYes),
ContextClient(&frame),
banner_service_(std::move(service_ptr)),
binding_(this, std::move(event_request)),
platforms_(platforms),
user_choice_(new UserChoiceProperty(frame.GetDocument(),
this,
UserChoiceProperty::kUserChoice)),
require_gesture_(require_gesture) {
DCHECK(banner_service_);
DCHECK(binding_.is_bound());
UseCounter::Count(&frame, WebFeature::kBeforeInstallPromptEvent);
}
BeforeInstallPromptEvent::BeforeInstallPromptEvent(
ExecutionContext* execution_context,
const AtomicString& name,
const BeforeInstallPromptEventInit& init)
: Event(name, init),
ContextClient(execution_context),
binding_(this),
require_gesture_(true) {
if (init.hasPlatforms())
platforms_ = init.platforms();
}
BeforeInstallPromptEvent::~BeforeInstallPromptEvent() = default;
void BeforeInstallPromptEvent::Dispose() {
banner_service_.reset();
binding_.Close();
}
Vector<String> BeforeInstallPromptEvent::platforms() const {
return platforms_;
}
ScriptPromise BeforeInstallPromptEvent::userChoice(ScriptState* script_state) {
UseCounter::Count(ExecutionContext::From(script_state),
WebFeature::kBeforeInstallPromptEventUserChoice);
// |m_binding| must be bound to allow the AppBannerService to resolve the
// userChoice promise.
if (user_choice_ && binding_.is_bound())
return user_choice_->Promise(script_state->World());
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kInvalidStateError,
"userChoice cannot be accessed on this event."));
}
ScriptPromise BeforeInstallPromptEvent::prompt(ScriptState* script_state) {
// |m_bannerService| must be bound to allow us to inform the AppBannerService
// to display the banner now.
if (!banner_service_.is_bound()) {
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kInvalidStateError,
"The prompt() method cannot be called."));
}
ExecutionContext* context = ExecutionContext::From(script_state);
Document* doc = ToDocumentOrNull(context);
if (require_gesture_ &&
!Frame::HasTransientUserActivation(doc ? doc->GetFrame() : nullptr)) {
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(
DOMExceptionCode::kNotAllowedError,
"The prompt() method must be called with a user gesture"));
}
UseCounter::Count(context, WebFeature::kBeforeInstallPromptEventPrompt);
banner_service_->DisplayAppBanner();
return ScriptPromise::CastUndefined(script_state);
}
const AtomicString& BeforeInstallPromptEvent::InterfaceName() const {
return EventNames::BeforeInstallPromptEvent;
}
void BeforeInstallPromptEvent::preventDefault() {
Event::preventDefault();
if (target()) {
UseCounter::Count(target()->GetExecutionContext(),
WebFeature::kBeforeInstallPromptEventPreventDefault);
}
}
bool BeforeInstallPromptEvent::HasPendingActivity() const {
return user_choice_ &&
user_choice_->GetState() == ScriptPromisePropertyBase::kPending;
}
void BeforeInstallPromptEvent::BannerAccepted(const String& platform) {
AppBannerPromptResult result;
result.setPlatform(platform);
result.setOutcome("accepted");
user_choice_->Resolve(result);
}
void BeforeInstallPromptEvent::BannerDismissed() {
AppBannerPromptResult result;
result.setPlatform(g_empty_atom);
result.setOutcome("dismissed");
user_choice_->Resolve(result);
}
void BeforeInstallPromptEvent::Trace(blink::Visitor* visitor) {
visitor->Trace(user_choice_);
Event::Trace(visitor);
ContextClient::Trace(visitor);
}
} // namespace blink
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