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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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