Launcher flow

mojo/examples/html_viewer/html_viewer.cc

+// Copyright 2014 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 "mojo/public/cpp/application/application.h"
+#include "mojo/services/public/interfaces/launcher/launcher.mojom.h"
+
+namespace mojo {
+namespace examples {
+
+class HTMLViewer;
+
+class LaunchableConnection : public InterfaceImpl<launcher::Launchable> {
+ public:
+  LaunchableConnection() {}
+  virtual ~LaunchableConnection() {}
+
+ private:
+  // Overridden from launcher::Launchable:
+  virtual void OnLaunch(
+      URLResponsePtr response,
+      ScopedDataPipeConsumerHandle response_body_stream) MOJO_OVERRIDE {
+    printf("In HTMLViewer, rendering url: %s\n", response->url.data());
+    printf("HTML: \n");
+    for (;;) {
+      char buf[512];
+      uint32_t num_bytes = sizeof(buf);
+      MojoResult result = ReadDataRaw(
+          response_body_stream.get(),
+          buf,
+          &num_bytes,
+          MOJO_READ_DATA_FLAG_NONE);
+      if (result == MOJO_RESULT_SHOULD_WAIT) {
+        Wait(response_body_stream.get(),
+             MOJO_WAIT_FLAG_READABLE,
+             MOJO_DEADLINE_INDEFINITE);
+      } else if (result == MOJO_RESULT_OK) {
+        fwrite(buf, num_bytes, 1, stdout);
+      } else {
+        break;
+      }
+    }
+    printf("\n>>>> EOF <<<<\n\n");
+  }
+};
+
+class HTMLViewer : public Application {
+ public:
+  HTMLViewer() {}
+  virtual ~HTMLViewer() {}
+
+ private:
+  // Overridden from Application:
+  virtual void Initialize() MOJO_OVERRIDE {
+    AddService<LaunchableConnection>();
+  }
+};
+
+}
+
+// static
+Application* Application::Create() {
+  return new examples::HTMLViewer;
+}
+
+}