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// Copyright 2016 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 "modules/webshare/NavigatorShare.h"
#include "core/dom/DOMException.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/Navigator.h"
#include "modules/webshare/ShareData.h"
#include "platform/UserGestureIndicator.h"
#include "platform/mojo/MojoHelper.h"
#include "public/platform/InterfaceProvider.h"
#include "public/platform/Platform.h"
namespace blink {
class NavigatorShare::ShareClientImpl final
: public GarbageCollected<ShareClientImpl> {
public:
ShareClientImpl(NavigatorShare*, ScriptPromiseResolver*);
void callback(const String& error);
void onConnectionError();
DEFINE_INLINE_TRACE() {
visitor->trace(m_navigator);
visitor->trace(m_resolver);
}
private:
WeakMember<NavigatorShare> m_navigator;
Member<ScriptPromiseResolver> m_resolver;
};
NavigatorShare::ShareClientImpl::ShareClientImpl(
NavigatorShare* navigator_share,
ScriptPromiseResolver* resolver)
: m_navigator(navigator_share), m_resolver(resolver) {}
void NavigatorShare::ShareClientImpl::callback(const String& error) {
if (m_navigator)
m_navigator->m_clients.remove(this);
if (error.isNull()) {
m_resolver->resolve();
} else {
// TODO(mgiuca): Work out which error type to use.
m_resolver->reject(DOMException::create(AbortError, error));
}
}
void NavigatorShare::ShareClientImpl::onConnectionError() {
m_resolver->reject(
DOMException::create(SecurityError, "WebShare is disabled."));
}
NavigatorShare::~NavigatorShare() = default;
NavigatorShare& NavigatorShare::from(Navigator& navigator) {
NavigatorShare* supplement = static_cast<NavigatorShare*>(
Supplement<Navigator>::from(navigator, supplementName()));
if (!supplement) {
supplement = new NavigatorShare();
provideTo(navigator, supplementName(), supplement);
}
return *supplement;
}
DEFINE_TRACE(NavigatorShare) {
visitor->trace(m_clients);
Supplement<Navigator>::trace(visitor);
}
NavigatorShare::NavigatorShare() {}
const char* NavigatorShare::supplementName() {
return "NavigatorShare";
}
ScriptPromise NavigatorShare::share(ScriptState* scriptState,
const ShareData& shareData) {
String errorMessage;
if (!scriptState->getExecutionContext()->isSecureContext(errorMessage)) {
DOMException* error = DOMException::create(SecurityError, errorMessage);
return ScriptPromise::rejectWithDOMException(scriptState, error);
}
if (!UserGestureIndicator::utilizeUserGesture()) {
DOMException* error = DOMException::create(
SecurityError,
"Must be handling a user gesture to perform a share request.");
return ScriptPromise::rejectWithDOMException(scriptState, error);
}
Document* doc = toDocument(scriptState->getExecutionContext());
DCHECK(doc);
if (!m_service) {
LocalFrame* frame = doc->frame();
DCHECK(frame);
frame->interfaceProvider()->getInterface(mojo::MakeRequest(&m_service));
m_service.set_connection_error_handler(convertToBaseCallback(WTF::bind(
&NavigatorShare::onConnectionError, wrapWeakPersistent(this))));
DCHECK(m_service);
}
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ShareClientImpl* client = new ShareClientImpl(this, resolver);
m_clients.add(client);
ScriptPromise promise = resolver->promise();
m_service->Share(shareData.hasTitle() ? shareData.title() : emptyString(),
shareData.hasText() ? shareData.text() : emptyString(),
doc->completeURL(shareData.url()),
convertToBaseCallback(WTF::bind(&ShareClientImpl::callback,
wrapPersistent(client))));
return promise;
}
ScriptPromise NavigatorShare::share(ScriptState* scriptState,
Navigator& navigator,
const ShareData& shareData) {
return from(navigator).share(scriptState, shareData);
}
void NavigatorShare::onConnectionError() {
if (!Platform::current()) {
// TODO(rockot): Clean this up once renderer shutdown sequence is fixed.
return;
}
for (auto& client : m_clients) {
client->onConnectionError();
}
m_clients.clear();
m_service.reset();
}
} // namespace blink
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