1 files changed, 101 insertions, 0 deletions
diff --git a/chrome/browser/dom_ui/html_dialog_contents.cc b/chrome/browser/dom_ui/html_dialog_contents.cc
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+++ b/chrome/browser/dom_ui/html_dialog_contents.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/browser/dom_ui/html_dialog_contents.h"
+
+#include "chrome/browser/render_view_host.h"
+
+const char kGearsScheme[] = "gears";
+
+HtmlDialogContents::HtmlDialogContents(Profile* profile,
+                                       SiteInstance* instance,
+                                       RenderViewHostFactory* rvf)
+    : DOMUIHost(profile, instance, rvf),
+      delegate_(NULL) {
+  type_ = TAB_CONTENTS_HTML_DIALOG;
+}
+
+HtmlDialogContents::~HtmlDialogContents() {
+}
+
+void HtmlDialogContents::Init(HtmlDialogContentsDelegate* delegate) {
+  delegate_ = delegate;
+
+  std::string dialog_args;
+  if (delegate_)
+    dialog_args = delegate_->GetDialogArgs();
+
+  DCHECK(render_view_host());
+  render_view_host()->SetDOMUIProperty("dialogArguments", dialog_args);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// DOMUIHost implementation:
+
+void HtmlDialogContents::AttachMessageHandlers() {
+  // Hook up the javascript function calls, also known as chrome.send("foo")
+  // calls in the HTML, to the actual C++ functions.
+  RegisterMessageCallback("DialogClose",
+      NewCallback(this, &HtmlDialogContents::OnDialogClosed));
+}
+
+// static
+bool HtmlDialogContents::IsHtmlDialogUrl(const GURL& url) {
+  return url.SchemeIs(kGearsScheme);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Private:
+
+// Helper function to read the JSON string from the Value parameter.
+std::string GetJsonResponse(const Value* content) {
+  if (!content || !content->IsType(Value::TYPE_LIST))  {
+    NOTREACHED();
+    return "";
+  }
+  const ListValue* args = static_cast<const ListValue*>(content);
+  if (args->GetSize() != 1) {
+    NOTREACHED();
+    return "";
+  }
+
+  std::wstring result;
+  Value* value = NULL;
+  if (!args->Get(0, &value) || !value->GetAsString(&result)) {
+    NOTREACHED();
+    return "";
+  }
+
+  return WideToASCII(result);
+}
+
+void HtmlDialogContents::OnDialogClosed(const Value* content) {
+  if (delegate_)
+    delegate_->OnDialogClosed(GetJsonResponse(content));
+}