1// Copyright 2013 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 "content/shell/browser/shell_javascript_dialog.h"
6
7#include "base/strings/string_util.h"
8#include "content/shell/app/resource.h"
9#include "content/shell/browser/shell.h"
10#include "content/shell/browser/shell_javascript_dialog_manager.h"
11
12namespace content {
13
14class ShellJavaScriptDialog;
15
16INT_PTR CALLBACK ShellJavaScriptDialog::DialogProc(HWND dialog,
17                                                   UINT message,
18                                                   WPARAM wparam,
19                                                   LPARAM lparam) {
20  switch (message) {
21    case WM_INITDIALOG: {
22      SetWindowLongPtr(dialog, DWLP_USER, static_cast<LONG_PTR>(lparam));
23      ShellJavaScriptDialog* owner =
24          reinterpret_cast<ShellJavaScriptDialog*>(lparam);
25      owner->dialog_win_ = dialog;
26      SetDlgItemText(dialog, IDC_DIALOGTEXT, owner->message_text_.c_str());
27      if (owner->message_type_ == JAVASCRIPT_MESSAGE_TYPE_PROMPT)
28        SetDlgItemText(dialog, IDC_PROMPTEDIT,
29                       owner->default_prompt_text_.c_str());
30      break;
31    }
32    case WM_DESTROY: {
33      ShellJavaScriptDialog* owner = reinterpret_cast<ShellJavaScriptDialog*>(
34          GetWindowLongPtr(dialog, DWLP_USER));
35      if (owner->dialog_win_) {
36        owner->dialog_win_ = 0;
37        owner->callback_.Run(false, base::string16());
38        owner->manager_->DialogClosed(owner);
39      }
40      break;
41    }
42    case WM_COMMAND: {
43      ShellJavaScriptDialog* owner = reinterpret_cast<ShellJavaScriptDialog*>(
44          GetWindowLongPtr(dialog, DWLP_USER));
45      base::string16 user_input;
46      bool finish = false;
47      bool result;
48      switch (LOWORD(wparam)) {
49        case IDOK:
50          finish = true;
51          result = true;
52          if (owner->message_type_ == JAVASCRIPT_MESSAGE_TYPE_PROMPT) {
53            int length =
54                GetWindowTextLength(GetDlgItem(dialog, IDC_PROMPTEDIT)) + 1;
55            GetDlgItemText(dialog, IDC_PROMPTEDIT,
56                           WriteInto(&user_input, length), length);
57          }
58          break;
59        case IDCANCEL:
60          finish = true;
61          result = false;
62          break;
63      }
64      if (finish) {
65        owner->dialog_win_ = 0;
66        owner->callback_.Run(result, user_input);
67        DestroyWindow(dialog);
68        owner->manager_->DialogClosed(owner);
69      }
70      break;
71    }
72    default:
73      return DefWindowProc(dialog, message, wparam, lparam);
74  }
75  return 0;
76}
77
78ShellJavaScriptDialog::ShellJavaScriptDialog(
79    ShellJavaScriptDialogManager* manager,
80    gfx::NativeWindow parent_window,
81    JavaScriptMessageType message_type,
82    const base::string16& message_text,
83    const base::string16& default_prompt_text,
84    const JavaScriptDialogManager::DialogClosedCallback& callback)
85    : manager_(manager),
86      callback_(callback),
87      message_text_(message_text),
88      default_prompt_text_(default_prompt_text),
89      message_type_(message_type) {
90  int dialog_type;
91  if (message_type == JAVASCRIPT_MESSAGE_TYPE_ALERT)
92    dialog_type = IDD_ALERT;
93  else if (message_type == JAVASCRIPT_MESSAGE_TYPE_CONFIRM)
94    dialog_type = IDD_CONFIRM;
95  else // JAVASCRIPT_MESSAGE_TYPE_PROMPT
96    dialog_type = IDD_PROMPT;
97
98  dialog_win_ = CreateDialogParam(GetModuleHandle(0),
99                                  MAKEINTRESOURCE(dialog_type), 0, DialogProc,
100                                  reinterpret_cast<LPARAM>(this));
101  ShowWindow(dialog_win_, SW_SHOWNORMAL);
102}
103
104ShellJavaScriptDialog::~ShellJavaScriptDialog() {
105  Cancel();
106}
107
108void ShellJavaScriptDialog::Cancel() {
109  if (dialog_win_)
110    DestroyWindow(dialog_win_);
111}
112
113}  // namespace content
114