Index: mojo/runner/about_fetcher.cc |
diff --git a/mojo/runner/about_fetcher.cc b/mojo/runner/about_fetcher.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e521b80b019c390190e6dc02094bc0262da6f1cd |
--- /dev/null |
+++ b/mojo/runner/about_fetcher.cc |
@@ -0,0 +1,111 @@ |
+// Copyright 2015 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/runner/about_fetcher.h" |
+ |
+#include "base/bind.h" |
+#include "base/files/file_path.h" |
+#include "base/logging.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "base/message_loop/message_loop.h" |
+ |
+namespace mojo { |
+namespace runner { |
+namespace { |
+ |
+void RunFetcherCallback(const shell::Fetcher::FetchCallback& callback, |
+ scoped_ptr<shell::Fetcher> fetcher, |
+ bool success) { |
+ callback.Run(success ? fetcher.Pass() : nullptr); |
+} |
+ |
+} // namespace |
+ |
+const char AboutFetcher::kAboutScheme[] = "about"; |
+const char AboutFetcher::kAboutBlankURL[] = "about:blank"; |
+ |
+// static |
+void AboutFetcher::Start(const GURL& url, |
+ const FetchCallback& loader_callback) { |
+ // The object manages its own lifespan. |
+ new AboutFetcher(url, loader_callback); |
+} |
+ |
+AboutFetcher::AboutFetcher(const GURL& url, |
+ const FetchCallback& loader_callback) |
+ : Fetcher(loader_callback), url_(url) { |
+ BuildResponse(); |
+} |
+ |
+AboutFetcher::~AboutFetcher() {} |
+ |
+void AboutFetcher::BuildResponse() { |
+ if (url_ != GURL(kAboutBlankURL)) { |
+ PostToRunCallback(false); |
+ return; |
+ } |
+ |
+ response_ = URLResponse::New(); |
+ response_->url = kAboutBlankURL; |
+ response_->status_code = 200; |
+ response_->mime_type = "text/html"; |
+ PostToRunCallback(true); |
+} |
+ |
+void AboutFetcher::PostToRunCallback(bool success) { |
+ // Also pass |this| on failure, so that we won't destroy the object while the |
+ // constructor is still on the call stack. |
+ base::MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ base::Bind(RunFetcherCallback, loader_callback_, |
+ base::Passed(make_scoped_ptr<Fetcher>(this)), success)); |
+} |
+ |
+const GURL& AboutFetcher::GetURL() const { |
+ return url_; |
+} |
+ |
+GURL AboutFetcher::GetRedirectURL() const { |
+ return GURL::EmptyGURL(); |
+} |
+ |
+GURL AboutFetcher::GetRedirectReferer() const { |
+ return GURL::EmptyGURL(); |
+} |
+ |
+URLResponsePtr AboutFetcher::AsURLResponse(base::TaskRunner* task_runner, |
+ uint32_t skip) { |
+ DCHECK(response_); |
+ |
+ // Ignore |skip| because the only URL handled currently is "about:blank" which |
+ // doesn't have a body. |
+ DCHECK(!response_->body.is_valid()); |
+ |
+ return response_.Pass(); |
+} |
+ |
+void AboutFetcher::AsPath( |
+ base::TaskRunner* task_runner, |
+ base::Callback<void(const base::FilePath&, bool)> callback) { |
+ NOTIMPLEMENTED(); |
+ base::MessageLoop::current()->PostTask( |
+ FROM_HERE, base::Bind(callback, base::FilePath(), false)); |
+} |
+ |
+std::string AboutFetcher::MimeType() { |
+ DCHECK(response_); |
+ return response_->mime_type; |
+} |
+ |
+bool AboutFetcher::HasMojoMagic() { |
+ return false; |
+} |
+ |
+bool AboutFetcher::PeekFirstLine(std::string* line) { |
+ // The only URL handled currently is "about:blank" which doesn't have a body. |
+ return false; |
+} |
+ |
+} // namespace runner |
+} // namespace mojo |