Content shell: Javascript dialogs, first pass, just Mac for now.

content/shell/shell_js_dialog_creator.cc

+// Copyright (c) 2012 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/shell/shell_js_dialog_creator.h"
+
+#include "base/logging.h"
+#include "base/utf_string_conversions.h"
+#include "content/shell/shell_js_dialog.h"
+#include "net/base/net_util.h"
+
+namespace content {
+
+ShellJavaScriptDialogCreator::ShellJavaScriptDialogCreator() {
+}
+
+ShellJavaScriptDialogCreator::~ShellJavaScriptDialogCreator() {
+}
+
+void ShellJavaScriptDialogCreator::RunJavaScriptDialog(
+    WebContents* web_contents,
+    const GURL& origin_url,
+    const std::string& accept_lang,
+    ui::JavascriptMessageType javascript_message_type,
+    const string16& message_text,
+    const string16& default_prompt_text,
+    const DialogClosedCallback& callback,
+    bool* did_suppress_message) {
+#if defined(OS_MACOSX)
+  *did_suppress_message = false;
+
+  if (dialog_.get()) {
+    // One dialog at a time, please.
+    *did_suppress_message = true;
+    return;
+  }
+
+  string16 new_message_text = net::FormatUrl(origin_url, accept_lang) +
+                              ASCIIToUTF16("\n\n") +
+                              message_text;
+
+  dialog_.reset(new ShellJavaScriptDialog(this,
+                                          javascript_message_type,
+                                          new_message_text,
+                                          default_prompt_text,
+                                          callback));
+#else
+  // TODO: implement ShellJavaScriptDialog for other platforms, drop this #if
+  *did_suppress_message = true;
+  return;
+#endif
+}
+
+void ShellJavaScriptDialogCreator::RunBeforeUnloadDialog(
+    WebContents* web_contents,
+    const string16& message_text,
+    bool is_reload,
+    const DialogClosedCallback& callback) {
+#if defined(OS_MACOSX)
+  if (dialog_.get()) {
+    // Seriously!?
+    callback.Run(true, string16());
+    return;
+  }
+
+  string16 new_message_text =
+      message_text +
+      ASCIIToUTF16("\n\nIs it OK to leave/reload this page?");
+
+  dialog_.reset(new ShellJavaScriptDialog(this,
+                                          ui::JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
+                                          new_message_text,
+                                          string16(),  // default_prompt_text
+                                          callback));
+#else
+  // TODO: implement ShellJavaScriptDialog for other platforms, drop this #if
+  callback.Run(true, string16());
+  return;
+#endif
+}
+
+void ShellJavaScriptDialogCreator::ResetJavaScriptState(
+    WebContents* web_contents) {
+  if (dialog_.get()) {
+    dialog_->Cancel();
+    dialog_.reset();
+  }
+}
+
+void ShellJavaScriptDialogCreator::DialogClosed(ShellJavaScriptDialog* dialog) {
+  DCHECK_EQ(dialog, dialog_.get());
+  dialog_.reset();
+}
+
+}  // namespace content