Bindings and client interface for the IsAppInstalled API.

third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.cpp

Index: third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.cpp
diff --git a/third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.cpp b/third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..06b88f5e28522c95f1c08db6e685a848ddb5ab3a
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+++ b/third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.cpp
@@ -0,0 +1,106 @@
+// 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/installedapp/NavigatorInstalledApp.h"
+
+#include "bindings/core/v8/CallbackPromiseAdapter.h"
+#include "bindings/core/v8/ScriptPromise.h"
+#include "bindings/core/v8/ScriptPromiseResolver.h"
+#include "bindings/core/v8/ScriptState.h"
+#include "core/dom/DOMException.h"
+#include "core/dom/Document.h"
+#include "core/dom/ExceptionCode.h"
+#include "core/frame/LocalDOMWindow.h"
+#include "core/frame/LocalFrame.h"
+#include "core/frame/Navigator.h"
+#include "modules/installedapp/InstalledAppController.h"
+#include "modules/installedapp/RelatedApplication.h"
+#include "public/platform/modules/installedapp/WebInstalledAppClient.h"
+#include "public/platform/modules/installedapp/WebRelatedApplication.h"
+
+namespace blink {
+
+NavigatorInstalledApp::NavigatorInstalledApp(LocalFrame* frame)
+    : DOMWindowProperty(frame)
+{
+}
+
+NavigatorInstalledApp* NavigatorInstalledApp::from(Document& document)
+{
+    if (!document.frame() || !document.frame()->domWindow())
+        return nullptr;
+    Navigator& navigator = *document.frame()->domWindow()->navigator();
+    return &from(navigator);
+}
+
+NavigatorInstalledApp& NavigatorInstalledApp::from(Navigator& navigator)
+{
+    NavigatorInstalledApp* supplement = static_cast<NavigatorInstalledApp*>(HeapSupplement<Navigator>::from(navigator, supplementName()));
+    if (!supplement) {
+        supplement = new NavigatorInstalledApp(navigator.frame());
+        provideTo(navigator, supplementName(), supplement);
+    }
+    return *supplement;
+}
+
+ScriptPromise NavigatorInstalledApp::getInstalledRelatedApps(ScriptState* scriptState, Navigator& navigator)
+{
+    return NavigatorInstalledApp::from(navigator).getInstalledRelatedApps(scriptState);
+}
+
+class RelatedAppArray {
+    STATIC_ONLY(RelatedAppArray);
+
+public:
+    using WebType = const WebVector<WebRelatedApplication>&;
+
+    static HeapVector<Member<RelatedApplication>> take(ScriptPromiseResolver*, const WebVector<WebRelatedApplication>& webInfo)
+    {
+        HeapVector<Member<RelatedApplication>> applications;
+        for (const auto& webApplication : webInfo)
+            applications.append(RelatedApplication::create(webApplication.platform, webApplication.url, webApplication.id));
+        return applications;
+    }
+};
+
+ScriptPromise NavigatorInstalledApp::getInstalledRelatedApps(ScriptState* scriptState)
+{
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+
+    // Don't crash when called and unattached to document.
+    Document* document = m_frame ? m_frame->document() : 0;
+
+    if (!document || !controller()) {
+        DOMException* exception = DOMException::create(InvalidStateError, "The object is no longer associated to a document.");
+        resolver->reject(exception);
+        return promise;
+    }
+
+    controller()->getInstalledApps(
+        WebSecurityOrigin(scriptState->executionContext()->securityOrigin()),
+        adoptWebPtr(new CallbackPromiseAdapter<RelatedAppArray, void>(resolver)));
+    return promise;
+}
+
+InstalledAppController* NavigatorInstalledApp::controller()
+{
+    if (!frame())
+        return nullptr;
+
+    return InstalledAppController::from(*frame());
+}
+
+const char* NavigatorInstalledApp::supplementName()
+{
+    return "NavigatorInstalledApp";
+}
+
+DEFINE_TRACE(NavigatorInstalledApp)
+{
+    HeapSupplement<Navigator>::trace(visitor);
+    DOMWindowProperty::trace(visitor);
+}
+
+} // namespace blink