Add external protocol dialog for Linux.

This exposes a bug where \n in a string resource is rendered literally when it is displayed. I don't know at what point on Windows the '\' + 'n' is translated to a line return, I have filed crbug.com/20943

BUG=20731

Review URL: http://codereview.chromium.org/194002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25373 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 92 insertions, 0 deletions

diff --git a/chrome/browser/gtk/external_protocol_dialog_gtk.cc b/chrome/browser/gtk/external_protocol_dialog_gtk.cc
new file mode 100644
index 0000000..538579e
--- /dev/null
+++ b/chrome/browser/gtk/external_protocol_dialog_gtk.cc
@@ -0,0 +1,92 @@
+// Copyright (c) 2009 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 "chrome/browser/gtk/external_protocol_dialog_gtk.h"
+
+#include <gtk/gtk.h>
+
+#include "app/l10n_util.h"
+#include "base/histogram.h"
+#include "chrome/browser/external_protocol_handler.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/tab_contents/tab_contents_view.h"
+#include "chrome/browser/tab_contents/tab_util.h"
+#include "chrome/common/gtk_util.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+
+namespace {
+
+const int kMessageWidth = 400;
+
+}  // namespace
+
+///////////////////////////////////////////////////////////////////////////////
+// ExternalProtocolHandler
+
+// static
+void ExternalProtocolHandler::RunExternalProtocolDialog(
+    const GURL& url, int render_process_host_id, int routing_id) {
+  TabContents* tab_contents = tab_util::GetTabContentsByID(
+      render_process_host_id, routing_id);
+  new ExternalProtocolDialogGtk(url, tab_contents);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// ExternalProtocolDialogGtk
+
+ExternalProtocolDialogGtk::ExternalProtocolDialogGtk(
+    const GURL& url, TabContents* tab_contents)
+    : url_(url),
+      creation_time_(base::Time::Now()) {
+  GtkWindow* parent = tab_contents ?
+                      tab_contents->view()->GetTopLevelNativeWindow() : NULL;
+
+  dialog_ = gtk_dialog_new_with_buttons(
+      l10n_util::GetStringUTF8(IDS_EXTERNAL_PROTOCOL_TITLE).c_str(),
+      parent,
+      (GtkDialogFlags) (GTK_DIALOG_MODAL | GTK_DIALOG_NO_SEPARATOR),
+      GTK_STOCK_CANCEL,
+      GTK_RESPONSE_REJECT,
+      NULL);
+
+  gtk_util::AddButtonToDialog(dialog_,
+      l10n_util::GetStringUTF8(IDS_EXTERNAL_PROTOCOL_OK_BUTTON_TEXT).c_str(),
+      GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
+
+  std::string message_text = l10n_util::GetStringFUTF8(
+      IDS_EXTERNAL_PROTOCOL_INFORMATION,
+      ASCIIToUTF16(url.scheme() + ":"),
+      ASCIIToUTF16(url.possibly_invalid_spec())) + "\n\n";
+
+  message_text += l10n_util::GetStringFUTF8(
+      IDS_EXTERNAL_PROTOCOL_APPLICATION_TO_LAUNCH,
+      ASCIIToUTF16(std::string("xdg-open ") + url.spec())) + "\n\n";
+
+  message_text += l10n_util::GetStringUTF8(IDS_EXTERNAL_PROTOCOL_WARNING);
+
+  GtkWidget* label = gtk_label_new(message_text.c_str());
+  gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
+  gtk_widget_set_size_request(label, kMessageWidth, -1);
+  gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog_)->vbox), label, TRUE, TRUE, 0);
+
+  g_signal_connect(dialog_, "response",
+                   G_CALLBACK(OnDialogResponse), this);
+
+  gtk_window_set_resizable(GTK_WINDOW(dialog_), FALSE);
+  gtk_widget_show_all(dialog_);
+}
+
+void ExternalProtocolDialogGtk::OnDialogResponse(GtkWidget* widget,
+    int response, ExternalProtocolDialogGtk* dialog) {
+  if (response == GTK_RESPONSE_ACCEPT) {
+    UMA_HISTOGRAM_LONG_TIMES("clickjacking.launch_url",
+                             base::Time::Now() - dialog->creation_time_);
+
+    ExternalProtocolHandler::LaunchUrlWithoutSecurityCheck(dialog->url_);
+  }
+
+  gtk_widget_destroy(widget);
+  delete dialog;
+}