Chrome-side patch for IsAppInstalled.

content/renderer/installedapp/installed_app_dispatcher.cc

+// 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 "content/renderer/installedapp/installed_app_dispatcher.h"
+
+#include "base/logging.h"
+#include "base/strings/utf_string_conversions.h"
+#include "content/public/common/service_registry.h"
+#include "content/renderer/manifest/manifest_manager.h"
+#include "content/renderer/render_frame_impl.h"
+#include "content/renderer/render_thread_impl.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/modules/installedapp/WebRelatedApplication.h"
+
+namespace content {
+
+InstalledAppDispatcher::InstalledAppDispatcher(
+    RenderFrame* render_frame,
+    ServiceRegistry* service_registry)
+    : RenderFrameObserver(render_frame), service_registry_(service_registry) {}
+
+InstalledAppDispatcher::~InstalledAppDispatcher() {}
+
+void InstalledAppDispatcher::getInstalledRelatedApps(
+    const blink::WebSecurityOrigin& origin,
+    blink::WebPassOwnPtr<blink::AppInstalledCallbacks> raw_callbacks) {
+  scoped_ptr<blink::AppInstalledCallbacks> callback(raw_callbacks);
+  RenderFrameImpl::FromRoutingID(routing_id())
+      ->manifest_manager()
+      ->GetManifest(base::Bind(&InstalledAppDispatcher::OnGetManifest,
+                               base::Unretained(this), base::Passed(&callback),
+                               origin));
+}
+
+content::InstalledAppProviderPtr& InstalledAppDispatcher::GetProvider() {
+  if (!provider_) {
+    RenderThread::Get()->GetServiceRegistry()->ConnectToRemoteService(
+        mojo::GetProxy(&provider_));
+  }
+  return provider_;
+}
+
+void InstalledAppDispatcher::OnGetManifest(
+    scoped_ptr<blink::AppInstalledCallbacks> callbacks,
+    const blink::WebSecurityOrigin& origin,
+    const Manifest& manifest) {
+  mojo::Array<RelatedApplicationPtr> related_apps;
+  for (auto relatedApplication : manifest.related_applications) {
+    RelatedApplicationPtr convertedApplication(RelatedApplication::New());
+    convertedApplication->platform = mojo::String::From(
+        base::UTF16ToUTF8(relatedApplication.platform.string()));
+    convertedApplication->id =
+        mojo::String::From(base::UTF16ToUTF8(relatedApplication.id.string()));
+    convertedApplication->url =
+        mojo::String::From(relatedApplication.url.spec());
+    related_apps.push_back(std::move(convertedApplication));
+  }
+
+  GetProvider()->FilterInstalledApps(
+      std::move(related_apps), mojo::String(origin.toString().utf8()),
+      base::Bind(&InstalledAppDispatcher::OnFilterInstalledApps,
+                 base::Unretained(this), base::Passed(&callbacks)));
+}
+
+void InstalledAppDispatcher::OnFilterInstalledApps(
+    scoped_ptr<blink::AppInstalledCallbacks> callbacks,
+    mojo::Array<RelatedApplicationPtr> result) {
+  std::vector<blink::WebRelatedApplication> applications;
+  if (result.size() > 0) {
+    blink::WebRelatedApplication app;
+    app.platform = blink::WebString::fromUTF8(result[0]->platform.get());
+    app.url = blink::WebString::fromUTF8(result[0]->url.get());
+    app.id = blink::WebString::fromUTF8(result[0]->id.get());
+    applications.push_back(app);
+  }
+  callbacks->onSuccess(
+      blink::WebVector<blink::WebRelatedApplication>(applications));
+}
+
+}  // namespace content