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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 "chrome/browser/ui/gtk/html_dialog_gtk.h" | |
| 6 | |
| 7 #include <gtk/gtk.h> | |
| 8 | |
| 9 #include "base/property_bag.h" | |
| 10 #include "base/utf_string_conversions.h" | |
| 11 #include "chrome/browser/profiles/profile.h" | |
| 12 #include "chrome/browser/ui/browser.h" | |
| 13 #include "chrome/browser/ui/browser_dialogs.h" | |
| 14 #include "chrome/browser/ui/browser_window.h" | |
| 15 #include "chrome/browser/ui/gtk/gtk_util.h" | |
| 16 #include "chrome/browser/ui/gtk/tab_contents_container_gtk.h" | |
| 17 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h" | |
| 18 #include "chrome/browser/ui/webui/html_dialog_controller.h" | |
| 19 #include "chrome/browser/ui/webui/html_dialog_ui.h" | |
| 20 #include "content/public/browser/web_contents.h" | |
| 21 #include "content/public/browser/native_web_keyboard_event.h" | |
| 22 | |
| 23 using content::WebContents; | |
| 24 using content::WebUIMessageHandler; | |
| 25 | |
| 26 namespace browser { | |
| 27 | |
| 28 gfx::NativeWindow ShowHtmlDialog(gfx::NativeWindow parent, | |
| 29 Profile* profile, | |
| 30 Browser* browser, | |
| 31 HtmlDialogUIDelegate* delegate, | |
| 32 DialogStyle style) { | |
| 33 // Ignore style for now. The style parameter only used in the implementation | |
| 34 // in html_dialog_view.cc file. | |
| 35 // TODO (bshe): Add style parameter to HtmlDialogGtk. | |
| 36 HtmlDialogGtk* html_dialog = | |
| 37 new HtmlDialogGtk(profile, browser, delegate, parent); | |
| 38 return html_dialog->InitDialog(); | |
| 39 } | |
| 40 | |
| 41 void CloseHtmlDialog(gfx::NativeWindow window) { | |
| 42 gtk_dialog_response(GTK_DIALOG(window), GTK_RESPONSE_CLOSE); | |
| 43 } | |
| 44 | |
| 45 } // namespace browser | |
| 46 | |
| 47 namespace { | |
| 48 | |
| 49 void SetDialogStyle() { | |
| 50 static bool style_was_set = false; | |
| 51 | |
| 52 if (style_was_set) | |
| 53 return; | |
| 54 style_was_set = true; | |
| 55 | |
| 56 gtk_rc_parse_string( | |
| 57 "style \"chrome-html-dialog\" {\n" | |
| 58 " GtkDialog::action-area-border = 0\n" | |
| 59 " GtkDialog::content-area-border = 0\n" | |
| 60 " GtkDialog::content-area-spacing = 0\n" | |
| 61 "}\n" | |
| 62 "widget \"*chrome-html-dialog\" style \"chrome-html-dialog\""); | |
| 63 } | |
| 64 | |
| 65 } // namespace | |
| 66 | |
| 67 //////////////////////////////////////////////////////////////////////////////// | |
| 68 // HtmlDialogGtk, public: | |
| 69 | |
| 70 HtmlDialogGtk::HtmlDialogGtk(Profile* profile, | |
| 71 Browser* browser, | |
| 72 HtmlDialogUIDelegate* delegate, | |
| 73 gfx::NativeWindow parent_window) | |
| 74 : HtmlDialogTabContentsDelegate(profile), | |
| 75 delegate_(delegate), | |
| 76 parent_window_(parent_window), | |
| 77 dialog_(NULL), | |
| 78 dialog_controller_(new HtmlDialogController(this, profile, browser)) { | |
| 79 } | |
| 80 | |
| 81 HtmlDialogGtk::~HtmlDialogGtk() { | |
| 82 } | |
| 83 | |
| 84 //////////////////////////////////////////////////////////////////////////////// | |
| 85 // HtmlDialogUIDelegate implementation: | |
| 86 | |
| 87 ui::ModalType HtmlDialogGtk::GetDialogModalType() const { | |
| 88 return delegate_ ? delegate_->GetDialogModalType() : ui::MODAL_TYPE_NONE; | |
| 89 } | |
| 90 | |
| 91 string16 HtmlDialogGtk::GetDialogTitle() const { | |
| 92 return delegate_ ? delegate_->GetDialogTitle() : string16(); | |
| 93 } | |
| 94 | |
| 95 GURL HtmlDialogGtk::GetDialogContentURL() const { | |
| 96 if (delegate_) | |
| 97 return delegate_->GetDialogContentURL(); | |
| 98 else | |
| 99 return GURL(); | |
| 100 } | |
| 101 | |
| 102 void HtmlDialogGtk::GetWebUIMessageHandlers( | |
| 103 std::vector<WebUIMessageHandler*>* handlers) const { | |
| 104 if (delegate_) | |
| 105 delegate_->GetWebUIMessageHandlers(handlers); | |
| 106 else | |
| 107 handlers->clear(); | |
| 108 } | |
| 109 | |
| 110 void HtmlDialogGtk::GetDialogSize(gfx::Size* size) const { | |
| 111 if (delegate_) | |
| 112 delegate_->GetDialogSize(size); | |
| 113 else | |
| 114 *size = gfx::Size(); | |
| 115 } | |
| 116 | |
| 117 void HtmlDialogGtk::GetMinimumDialogSize(gfx::Size* size) const { | |
| 118 if (delegate_) | |
| 119 delegate_->GetMinimumDialogSize(size); | |
| 120 else | |
| 121 *size = gfx::Size(); | |
| 122 } | |
| 123 | |
| 124 std::string HtmlDialogGtk::GetDialogArgs() const { | |
| 125 if (delegate_) | |
| 126 return delegate_->GetDialogArgs(); | |
| 127 else | |
| 128 return std::string(); | |
| 129 } | |
| 130 | |
| 131 void HtmlDialogGtk::OnDialogClosed(const std::string& json_retval) { | |
| 132 DCHECK(dialog_); | |
| 133 | |
| 134 Detach(); | |
| 135 if (delegate_) { | |
| 136 HtmlDialogUIDelegate* dialog_delegate = delegate_; | |
| 137 delegate_ = NULL; // We will not communicate further with the delegate. | |
| 138 | |
| 139 // Store the dialog bounds. | |
| 140 gfx::Rect dialog_bounds = gtk_util::GetDialogBounds(GTK_WIDGET(dialog_)); | |
| 141 dialog_delegate->StoreDialogSize(dialog_bounds.size()); | |
| 142 | |
| 143 dialog_delegate->OnDialogClosed(json_retval); | |
| 144 } | |
| 145 | |
| 146 gtk_widget_destroy(dialog_); | |
| 147 delete this; | |
| 148 } | |
| 149 | |
| 150 void HtmlDialogGtk::OnCloseContents(WebContents* source, | |
| 151 bool* out_close_dialog) { | |
| 152 if (delegate_) | |
| 153 delegate_->OnCloseContents(source, out_close_dialog); | |
| 154 } | |
| 155 | |
| 156 void HtmlDialogGtk::CloseContents(WebContents* source) { | |
| 157 DCHECK(dialog_); | |
| 158 | |
| 159 bool close_dialog = false; | |
| 160 OnCloseContents(source, &close_dialog); | |
| 161 if (close_dialog) | |
| 162 OnDialogClosed(std::string()); | |
| 163 } | |
| 164 | |
| 165 content::WebContents* HtmlDialogGtk::OpenURLFromTab( | |
| 166 content::WebContents* source, | |
| 167 const content::OpenURLParams& params) { | |
| 168 content::WebContents* new_contents = NULL; | |
| 169 if (delegate_ && | |
| 170 delegate_->HandleOpenURLFromTab(source, params, &new_contents)) { | |
| 171 return new_contents; | |
| 172 } | |
| 173 return HtmlDialogTabContentsDelegate::OpenURLFromTab(source, params); | |
| 174 } | |
| 175 | |
| 176 void HtmlDialogGtk::AddNewContents(content::WebContents* source, | |
| 177 content::WebContents* new_contents, | |
| 178 WindowOpenDisposition disposition, | |
| 179 const gfx::Rect& initial_pos, | |
| 180 bool user_gesture) { | |
| 181 if (delegate_ && delegate_->HandleAddNewContents( | |
| 182 source, new_contents, disposition, initial_pos, user_gesture)) { | |
| 183 return; | |
| 184 } | |
| 185 HtmlDialogTabContentsDelegate::AddNewContents( | |
| 186 source, new_contents, disposition, initial_pos, user_gesture); | |
| 187 } | |
| 188 | |
| 189 void HtmlDialogGtk::LoadingStateChanged(content::WebContents* source) { | |
| 190 if (delegate_) | |
| 191 delegate_->OnLoadingStateChanged(source); | |
| 192 } | |
| 193 | |
| 194 bool HtmlDialogGtk::ShouldShowDialogTitle() const { | |
| 195 return true; | |
| 196 } | |
| 197 | |
| 198 //////////////////////////////////////////////////////////////////////////////// | |
| 199 // content::WebContentsDelegate implementation: | |
| 200 | |
| 201 // A simplified version of BrowserWindowGtk::HandleKeyboardEvent(). | |
| 202 // We don't handle global keyboard shortcuts here, but that's fine since | |
| 203 // they're all browser-specific. (This may change in the future.) | |
| 204 void HtmlDialogGtk::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) { | |
| 205 GdkEventKey* os_event = &event.os_event->key; | |
| 206 if (!os_event || event.type == WebKit::WebInputEvent::Char) | |
| 207 return; | |
| 208 | |
| 209 // To make sure the default key bindings can still work, such as Escape to | |
| 210 // close the dialog. | |
| 211 gtk_bindings_activate_event(GTK_OBJECT(dialog_), os_event); | |
| 212 } | |
| 213 | |
| 214 //////////////////////////////////////////////////////////////////////////////// | |
| 215 // HtmlDialogGtk: | |
| 216 | |
| 217 gfx::NativeWindow HtmlDialogGtk::InitDialog() { | |
| 218 tab_.reset(new TabContentsWrapper( | |
| 219 WebContents::Create(profile(), NULL, MSG_ROUTING_NONE, NULL, NULL))); | |
| 220 tab_->web_contents()->SetDelegate(this); | |
| 221 | |
| 222 // This must be done before loading the page; see the comments in | |
| 223 // HtmlDialogUI. | |
| 224 HtmlDialogUI::GetPropertyAccessor().SetProperty( | |
| 225 tab_->web_contents()->GetPropertyBag(), this); | |
| 226 | |
| 227 tab_->web_contents()->GetController().LoadURL( | |
| 228 GetDialogContentURL(), | |
| 229 content::Referrer(), | |
| 230 content::PAGE_TRANSITION_START_PAGE, | |
| 231 std::string()); | |
| 232 GtkDialogFlags flags = GTK_DIALOG_NO_SEPARATOR; | |
| 233 if (delegate_->GetDialogModalType() != ui::MODAL_TYPE_NONE) | |
| 234 flags = static_cast<GtkDialogFlags>(flags | GTK_DIALOG_MODAL); | |
| 235 | |
| 236 dialog_ = gtk_dialog_new_with_buttons( | |
| 237 UTF16ToUTF8(delegate_->GetDialogTitle()).c_str(), | |
| 238 parent_window_, | |
| 239 flags, | |
| 240 NULL); | |
| 241 | |
| 242 SetDialogStyle(); | |
| 243 gtk_widget_set_name(dialog_, "chrome-html-dialog"); | |
| 244 g_signal_connect(dialog_, "response", G_CALLBACK(OnResponseThunk), this); | |
| 245 | |
| 246 tab_contents_container_.reset(new TabContentsContainerGtk(NULL)); | |
| 247 GtkWidget* content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog_)); | |
| 248 gtk_box_pack_start(GTK_BOX(content_area), | |
| 249 tab_contents_container_->widget(), TRUE, TRUE, 0); | |
| 250 | |
| 251 tab_contents_container_->SetTab(tab_.get()); | |
| 252 | |
| 253 gfx::Size dialog_size; | |
| 254 delegate_->GetDialogSize(&dialog_size); | |
| 255 if (!dialog_size.IsEmpty()) { | |
| 256 gtk_window_set_default_size(GTK_WINDOW(dialog_), | |
| 257 dialog_size.width(), | |
| 258 dialog_size.height()); | |
| 259 } | |
| 260 gfx::Size minimum_dialog_size; | |
| 261 delegate_->GetMinimumDialogSize(&minimum_dialog_size); | |
| 262 if (!minimum_dialog_size.IsEmpty()) { | |
| 263 gtk_widget_set_size_request(GTK_WIDGET(tab_contents_container_->widget()), | |
| 264 minimum_dialog_size.width(), | |
| 265 minimum_dialog_size.height()); | |
| 266 } | |
| 267 | |
| 268 gtk_widget_show_all(dialog_); | |
| 269 | |
| 270 return GTK_WINDOW(dialog_); | |
| 271 } | |
| 272 | |
| 273 void HtmlDialogGtk::OnResponse(GtkWidget* dialog, int response_id) { | |
| 274 OnDialogClosed(std::string()); | |
| 275 } | |
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