external_protocol_dialog.cc revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/ui/views/external_protocol_dialog.h"
6
7#include "base/metrics/histogram.h"
8#include "base/strings/string_util.h"
9#include "base/strings/utf_string_conversions.h"
10#include "chrome/browser/external_protocol/external_protocol_handler.h"
11#include "chrome/browser/tab_contents/tab_util.h"
12#include "chrome/browser/ui/external_protocol_dialog_delegate.h"
13#include "chrome/browser/ui/views/constrained_window_views.h"
14#include "chrome/grit/chromium_strings.h"
15#include "chrome/grit/generated_resources.h"
16#include "content/public/browser/web_contents.h"
17#include "ui/base/l10n/l10n_util.h"
18#include "ui/gfx/text_elider.h"
19#include "ui/views/controls/message_box_view.h"
20#include "ui/views/widget/widget.h"
21
22using content::WebContents;
23
24namespace {
25
26const int kMessageWidth = 400;
27
28}  // namespace
29
30///////////////////////////////////////////////////////////////////////////////
31// ExternalProtocolHandler
32
33// static
34void ExternalProtocolHandler::RunExternalProtocolDialog(
35    const GURL& url, int render_process_host_id, int routing_id) {
36  scoped_ptr<ExternalProtocolDialogDelegate> delegate(
37      new ExternalProtocolDialogDelegate(url,
38                                         render_process_host_id,
39                                         routing_id));
40  if (delegate->program_name().empty()) {
41    // ShellExecute won't do anything. Don't bother warning the user.
42    return;
43  }
44
45  // Windowing system takes ownership.
46  new ExternalProtocolDialog(delegate.PassAs<const ProtocolDialogDelegate>(),
47                             render_process_host_id,
48                             routing_id);
49}
50
51///////////////////////////////////////////////////////////////////////////////
52// ExternalProtocolDialog
53
54ExternalProtocolDialog::~ExternalProtocolDialog() {
55}
56
57//////////////////////////////////////////////////////////////////////////////
58// ExternalProtocolDialog, views::DialogDelegate implementation:
59
60int ExternalProtocolDialog::GetDefaultDialogButton() const {
61  return ui::DIALOG_BUTTON_CANCEL;
62}
63
64base::string16 ExternalProtocolDialog::GetDialogButtonLabel(
65    ui::DialogButton button) const {
66  if (button == ui::DIALOG_BUTTON_OK)
67    return l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_OK_BUTTON_TEXT);
68  else
69    return l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_CANCEL_BUTTON_TEXT);
70}
71
72base::string16 ExternalProtocolDialog::GetWindowTitle() const {
73  return delegate_->GetTitleText();
74}
75
76void ExternalProtocolDialog::DeleteDelegate() {
77  delete this;
78}
79
80bool ExternalProtocolDialog::Cancel() {
81  // We also get called back here if the user closes the dialog or presses
82  // escape. In these cases it would be preferable to ignore the state of the
83  // check box but MessageBox doesn't distinguish this from pressing the cancel
84  // button.
85  delegate_->DoCancel(delegate_->url(),
86                      message_box_view_->IsCheckBoxSelected());
87
88  // Returning true closes the dialog.
89  return true;
90}
91
92bool ExternalProtocolDialog::Accept() {
93  // We record how long it takes the user to accept an external protocol.  If
94  // users start accepting these dialogs too quickly, we should worry about
95  // clickjacking.
96  UMA_HISTOGRAM_LONG_TIMES("clickjacking.launch_url",
97                           base::TimeTicks::Now() - creation_time_);
98
99  delegate_->DoAccept(delegate_->url(),
100                      message_box_view_->IsCheckBoxSelected());
101
102  // Returning true closes the dialog.
103  return true;
104}
105
106views::View* ExternalProtocolDialog::GetContentsView() {
107  return message_box_view_;
108}
109
110views::Widget* ExternalProtocolDialog::GetWidget() {
111  return message_box_view_->GetWidget();
112}
113
114const views::Widget* ExternalProtocolDialog::GetWidget() const {
115  return message_box_view_->GetWidget();
116}
117
118///////////////////////////////////////////////////////////////////////////////
119// ExternalProtocolDialog, private:
120
121ExternalProtocolDialog::ExternalProtocolDialog(
122    scoped_ptr<const ProtocolDialogDelegate> delegate,
123    int render_process_host_id,
124    int routing_id)
125    : delegate_(delegate.Pass()),
126      render_process_host_id_(render_process_host_id),
127      routing_id_(routing_id),
128      creation_time_(base::TimeTicks::Now()) {
129  views::MessageBoxView::InitParams params(delegate_->GetMessageText());
130  params.message_width = kMessageWidth;
131  message_box_view_ = new views::MessageBoxView(params);
132  message_box_view_->SetCheckBoxLabel(delegate_->GetCheckboxText());
133
134  // Dialog is top level if we don't have a web_contents associated with us.
135  WebContents* web_contents = tab_util::GetWebContentsByID(
136      render_process_host_id_, routing_id_);
137  gfx::NativeWindow parent_window = NULL;
138  if (web_contents)
139    parent_window = web_contents->GetTopLevelNativeWindow();
140  CreateBrowserModalDialogViews(this, parent_window)->Show();
141}
142