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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 "components/app_modal_dialogs/javascript_app_modal_dialog.h" | |
6 | |
7 #include "components/app_modal_dialogs/javascript_dialog_manager_impl.h" | |
8 #include "components/app_modal_dialogs/javascript_native_dialog_factory.h" | |
9 #include "content/public/browser/web_contents.h" | |
10 #include "ui/gfx/text_elider.h" | |
11 | |
12 #if defined(USE_AURA) | |
13 #include "ui/aura/window.h" | |
14 #include "ui/aura/window_event_dispatcher.h" | |
15 #endif | |
16 | |
17 using content::JavaScriptDialogManager; | |
18 using content::WebContents; | |
19 | |
20 namespace { | |
21 | |
22 // Control maximum sizes of various texts passed to us from javascript. | |
23 #if defined(OS_POSIX) && !defined(OS_MACOSX) | |
24 // Two-dimensional eliding. Reformat the text of the message dialog | |
25 // inserting line breaks because otherwise a single long line can overflow | |
26 // the message dialog (and crash/hang the GTK, depending on the version). | |
27 const int kMessageTextMaxRows = 32; | |
28 const int kMessageTextMaxCols = 132; | |
29 const int kDefaultPromptMaxRows = 24; | |
30 const int kDefaultPromptMaxCols = 132; | |
31 void EnforceMaxTextSize(const base::string16& in_string, | |
32 base::string16* out_string) { | |
33 gfx::ElideRectangleString(in_string, kMessageTextMaxRows, | |
34 kMessageTextMaxCols, false, out_string); | |
35 } | |
36 void EnforceMaxPromptSize(const base::string16& in_string, | |
37 base::string16* out_string) { | |
38 gfx::ElideRectangleString(in_string, kDefaultPromptMaxRows, | |
39 kDefaultPromptMaxCols, false, out_string); | |
40 } | |
41 #else | |
42 // One-dimensional eliding. Trust the window system to break the string | |
43 // appropriately, but limit its overall length to something reasonable. | |
44 const int kMessageTextMaxSize = 3000; | |
45 const int kDefaultPromptMaxSize = 2000; | |
46 void EnforceMaxTextSize(const base::string16& in_string, | |
47 base::string16* out_string) { | |
48 gfx::ElideString(in_string, kMessageTextMaxSize, out_string); | |
49 } | |
50 void EnforceMaxPromptSize(const base::string16& in_string, | |
51 base::string16* out_string) { | |
52 gfx::ElideString(in_string, kDefaultPromptMaxSize, out_string); | |
53 } | |
54 #endif | |
55 | |
56 } // namespace | |
57 | |
58 ChromeJavaScriptDialogExtraData::ChromeJavaScriptDialogExtraData() | |
59 : suppress_javascript_messages_(false) { | |
60 } | |
61 | |
62 JavaScriptAppModalDialog::JavaScriptAppModalDialog( | |
63 WebContents* web_contents, | |
64 ExtraDataMap* extra_data_map, | |
65 const base::string16& title, | |
66 content::JavaScriptMessageType javascript_message_type, | |
67 const base::string16& message_text, | |
68 const base::string16& default_prompt_text, | |
69 bool display_suppress_checkbox, | |
70 bool is_before_unload_dialog, | |
71 bool is_reload, | |
72 const JavaScriptDialogManager::DialogClosedCallback& callback) | |
73 : AppModalDialog(web_contents, title), | |
74 extra_data_map_(extra_data_map), | |
75 javascript_message_type_(javascript_message_type), | |
76 display_suppress_checkbox_(display_suppress_checkbox), | |
77 is_before_unload_dialog_(is_before_unload_dialog), | |
78 is_reload_(is_reload), | |
79 callback_(callback), | |
80 use_override_prompt_text_(false) { | |
81 EnforceMaxTextSize(message_text, &message_text_); | |
82 EnforceMaxPromptSize(default_prompt_text, &default_prompt_text_); | |
83 } | |
84 | |
85 JavaScriptAppModalDialog::~JavaScriptAppModalDialog() { | |
86 } | |
87 | |
88 NativeAppModalDialog* JavaScriptAppModalDialog::CreateNativeDialog() { | |
89 gfx::NativeWindow parent_window = web_contents()->GetTopLevelNativeWindow(); | |
90 | |
91 #if defined(USE_AURA) | |
92 if (!parent_window->GetRootWindow()) { | |
93 // When we are part of a WebContents that isn't actually being displayed on | |
94 // the screen, we can't actually attach to it. | |
95 parent_window = NULL; | |
96 } | |
97 #endif // defined(USE_AURA) | |
98 return JavaScriptDialogManagerImpl::GetInstance()->native_dialog_factory()-> | |
99 CreateNativeJavaScriptDialog(this, parent_window); | |
100 } | |
101 | |
102 bool JavaScriptAppModalDialog::IsJavaScriptModalDialog() { | |
103 return true; | |
104 } | |
105 | |
106 void JavaScriptAppModalDialog::Invalidate() { | |
107 if (!IsValid()) | |
108 return; | |
109 | |
110 AppModalDialog::Invalidate(); | |
111 if (!callback_.is_null()) { | |
112 callback_.Run(false, base::string16()); | |
113 callback_.Reset(); | |
114 } | |
115 if (native_dialog()) | |
116 CloseModalDialog(); | |
117 } | |
118 | |
119 void JavaScriptAppModalDialog::OnCancel(bool suppress_js_messages) { | |
120 // We need to do this before WM_DESTROY (WindowClosing()) as any parent frame | |
121 // will receive its activation messages before this dialog receives | |
122 // WM_DESTROY. The parent frame would then try to activate any modal dialogs | |
123 // that were still open in the ModalDialogQueue, which would send activation | |
124 // back to this one. The framework should be improved to handle this, so this | |
125 // is a temporary workaround. | |
126 CompleteDialog(); | |
127 | |
128 NotifyDelegate(false, base::string16(), suppress_js_messages); | |
129 } | |
130 | |
131 void JavaScriptAppModalDialog::OnAccept(const base::string16& prompt_text, | |
132 bool suppress_js_messages) { | |
133 base::string16 prompt_text_to_use = prompt_text; | |
134 // This is only for testing. | |
135 if (use_override_prompt_text_) | |
136 prompt_text_to_use = override_prompt_text_; | |
137 | |
138 CompleteDialog(); | |
139 NotifyDelegate(true, prompt_text_to_use, suppress_js_messages); | |
140 } | |
141 | |
142 void JavaScriptAppModalDialog::OnClose() { | |
143 NotifyDelegate(false, base::string16(), false); | |
144 } | |
145 | |
146 void JavaScriptAppModalDialog::SetOverridePromptText( | |
147 const base::string16& override_prompt_text) { | |
148 override_prompt_text_ = override_prompt_text; | |
149 use_override_prompt_text_ = true; | |
150 } | |
151 | |
152 void JavaScriptAppModalDialog::NotifyDelegate(bool success, | |
153 const base::string16& user_input, | |
154 bool suppress_js_messages) { | |
155 if (!IsValid()) | |
156 return; | |
157 | |
158 if (!callback_.is_null()) { | |
159 callback_.Run(success, user_input); | |
160 callback_.Reset(); | |
161 } | |
162 | |
163 // The callback_ above may delete web_contents_, thus removing the extra | |
164 // data from the map owned by ChromeJavaScriptDialogManager. Make sure | |
165 // to only use the data if still present. http://crbug.com/236476 | |
166 ExtraDataMap::iterator extra_data = extra_data_map_->find(web_contents()); | |
167 if (extra_data != extra_data_map_->end()) { | |
168 extra_data->second.last_javascript_message_dismissal_ = | |
169 base::TimeTicks::Now(); | |
170 extra_data->second.suppress_javascript_messages_ = suppress_js_messages; | |
171 } | |
172 | |
173 // On Views, we can end up coming through this code path twice :(. | |
174 // See crbug.com/63732. | |
175 AppModalDialog::Invalidate(); | |
176 } | |
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