Added Web Share (navigator.share) experimental web API (stub).

third_party/WebKit/Source/modules/ballista/Actions.cpp

Index: third_party/WebKit/Source/modules/ballista/Actions.cpp
diff --git a/third_party/WebKit/Source/modules/ballista/Actions.cpp b/third_party/WebKit/Source/modules/ballista/Actions.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b9437c349036145eeafe9eae98d29e7ce01af335
--- /dev/null
+++ b/third_party/WebKit/Source/modules/ballista/Actions.cpp
@@ -0,0 +1,67 @@
+// 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/ballista/Actions.h"
+
+#include "core/dom/DOMException.h"
+#include "core/dom/Document.h"
+#include "core/dom/ExceptionCode.h"
+#include "core/frame/LocalFrame.h"
+#include "platform/MojoHelper.h"
+#include "public/platform/Platform.h"
+#include "public/platform/ServiceRegistry.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace blink {
+
+Actions::BallistaClientImpl::BallistaClientImpl(Actions* actions, ScriptPromiseResolver* resolver)
+    : m_actions(actions)
+    , m_resolver(resolver)
+{
+}
+
+void Actions::BallistaClientImpl::callback(const String& error)
+{
+    if (m_actions && m_actions->m_clients.contains(this))

[Sam McNally, 2016/04/13 04:32:35]

When would m_clients not contain this?

[Matt Giuca, 2016/04/13 05:43:02]

Done.

+        m_actions->m_clients.remove(this);
+
+    if (error.isNull())
+        m_resolver->resolve();
+    else
+        m_resolver->reject(DOMException::create(AbortError, error));
+}
+
+Actions::~Actions() = default;
+
+ScriptPromise Actions::share(ScriptState* scriptState, const String& title, const String& text)
+{
+    if (!m_service)
+        frame(scriptState)->serviceRegistry()->connectToRemoteService(mojo::GetProxy(&m_service));
+
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
+    BallistaClientImpl* client = new BallistaClientImpl(this, resolver);
+    m_clients.add(client);
+    ScriptPromise promise = resolver->promise();
+
+    m_service->Share(title, text, sameThreadBindForMojo(&BallistaClientImpl::callback, client));
+
+    return promise;
+}
+
+Actions::Actions()
+{
+}
+
+Document* Actions::document(ScriptState* scriptState) const
+{
+    return toDocument(scriptState->getExecutionContext());
+}
+
+LocalFrame* Actions::frame(ScriptState* scriptState) const
+{
+    Document* doc = document(scriptState);
+    return doc ? doc->frame() : nullptr;
+}
+
+} // namespace blink