| // 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/bindings/modules/v8/v8_before_install_prompt_event_init.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/local_dom_window.h" |
| #include "third_party/blink/renderer/core/frame/web_feature.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/heap/heap.h" |
| #include "third_party/blink/renderer/platform/instrumentation/use_counter.h" |
| |
| namespace blink { |
| |
| BeforeInstallPromptEvent::BeforeInstallPromptEvent( |
| const AtomicString& name, |
| ExecutionContext& context, |
| mojo::PendingRemote<mojom::blink::AppBannerService> service_remote, |
| mojo::PendingReceiver<mojom::blink::AppBannerEvent> event_receiver, |
| const Vector<String>& platforms) |
| : Event(name, Bubbles::kNo, Cancelable::kYes), |
| ExecutionContextClient(&context), |
| banner_service_remote_(&context), |
| receiver_(this, &context), |
| platforms_(platforms), |
| user_choice_(MakeGarbageCollected<UserChoiceProperty>(&context)) { |
| banner_service_remote_.Bind( |
| std::move(service_remote), |
| context.GetTaskRunner(TaskType::kApplicationLifeCycle)); |
| receiver_.Bind(std::move(event_receiver), |
| context.GetTaskRunner(TaskType::kApplicationLifeCycle)); |
| DCHECK(banner_service_remote_.is_bound()); |
| DCHECK(receiver_.is_bound()); |
| UseCounter::Count(context, WebFeature::kBeforeInstallPromptEvent); |
| } |
| |
| BeforeInstallPromptEvent::BeforeInstallPromptEvent( |
| ExecutionContext* execution_context, |
| const AtomicString& name, |
| const BeforeInstallPromptEventInit* init) |
| : Event(name, init), |
| ExecutionContextClient(execution_context), |
| banner_service_remote_(execution_context), |
| receiver_(this, execution_context) { |
| if (init->hasPlatforms()) |
| platforms_ = init->platforms(); |
| } |
| |
| BeforeInstallPromptEvent::~BeforeInstallPromptEvent() = default; |
| |
| Vector<String> BeforeInstallPromptEvent::platforms() const { |
| return platforms_; |
| } |
| |
| ScriptPromise BeforeInstallPromptEvent::userChoice( |
| ScriptState* script_state, |
| ExceptionState& exception_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_ && receiver_.is_bound()) |
| return user_choice_->Promise(script_state->World()); |
| exception_state.ThrowDOMException( |
| DOMExceptionCode::kInvalidStateError, |
| "userChoice cannot be accessed on this event."); |
| return ScriptPromise(); |
| } |
| |
| ScriptPromise BeforeInstallPromptEvent::prompt( |
| ScriptState* script_state, |
| ExceptionState& exception_state) { |
| // |m_bannerService| must be bound to allow us to inform the AppBannerService |
| // to display the banner now. |
| if (!banner_service_remote_.is_bound()) { |
| exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError, |
| "The prompt() method cannot be called."); |
| return ScriptPromise(); |
| } |
| |
| LocalDOMWindow* window = LocalDOMWindow::From(script_state); |
| if (!LocalFrame::ConsumeTransientUserActivation(window ? window->GetFrame() |
| : nullptr)) { |
| exception_state.ThrowDOMException( |
| DOMExceptionCode::kNotAllowedError, |
| "The prompt() method must be called with a user gesture"); |
| return ScriptPromise(); |
| } |
| |
| UseCounter::Count(window, WebFeature::kBeforeInstallPromptEventPrompt); |
| banner_service_remote_->DisplayAppBanner(); |
| return user_choice_->Promise(script_state->World()); |
| } |
| |
| const AtomicString& BeforeInstallPromptEvent::InterfaceName() const { |
| return event_interface_names::kBeforeInstallPromptEvent; |
| } |
| |
| void BeforeInstallPromptEvent::preventDefault() { |
| Event::preventDefault(); |
| if (target()) { |
| UseCounter::Count(target()->GetExecutionContext(), |
| WebFeature::kBeforeInstallPromptEventPreventDefault); |
| } |
| } |
| |
| bool BeforeInstallPromptEvent::HasPendingActivity() const { |
| return user_choice_ && |
| user_choice_->GetState() == UserChoiceProperty::kPending; |
| } |
| |
| void BeforeInstallPromptEvent::BannerAccepted(const String& platform) { |
| AppBannerPromptResult* result = AppBannerPromptResult::Create(); |
| result->setPlatform(platform); |
| result->setOutcome("accepted"); |
| user_choice_->Resolve(result); |
| } |
| |
| void BeforeInstallPromptEvent::BannerDismissed() { |
| AppBannerPromptResult* result = AppBannerPromptResult::Create(); |
| result->setPlatform(g_empty_atom); |
| result->setOutcome("dismissed"); |
| user_choice_->Resolve(result); |
| } |
| |
| void BeforeInstallPromptEvent::Trace(Visitor* visitor) const { |
| visitor->Trace(banner_service_remote_); |
| visitor->Trace(receiver_); |
| visitor->Trace(user_choice_); |
| Event::Trace(visitor); |
| ExecutionContextClient::Trace(visitor); |
| } |
| |
| } // namespace blink |