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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 #import "chrome/browser/ui/cocoa/web_dialog_window_controller.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/mac/scoped_nsobject.h" | |
| 9 #include "base/macros.h" | |
| 10 #include "base/strings/sys_string_conversions.h" | |
| 11 #import "chrome/browser/ui/browser_dialogs.h" | |
| 12 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h" | |
| 13 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h" | |
| 14 #include "content/public/browser/native_web_keyboard_event.h" | |
| 15 #include "content/public/browser/web_contents.h" | |
| 16 #include "content/public/browser/web_ui_message_handler.h" | |
| 17 #include "ui/events/keycodes/keyboard_codes.h" | |
| 18 #include "ui/gfx/geometry/size.h" | |
| 19 #include "ui/web_dialogs/web_dialog_delegate.h" | |
| 20 #include "ui/web_dialogs/web_dialog_web_contents_delegate.h" | |
| 21 | |
| 22 using content::NativeWebKeyboardEvent; | |
| 23 using content::WebContents; | |
| 24 using content::WebUIMessageHandler; | |
| 25 using ui::WebDialogDelegate; | |
| 26 using ui::WebDialogUI; | |
| 27 using ui::WebDialogWebContentsDelegate; | |
| 28 | |
| 29 // Thin bridge that routes notifications to | |
| 30 // WebDialogWindowController's member variables. | |
| 31 class WebDialogWindowDelegateBridge | |
| 32 : public WebDialogDelegate, | |
| 33 public WebDialogWebContentsDelegate { | |
| 34 public: | |
| 35 // All parameters must be non-NULL/non-nil. | |
| 36 WebDialogWindowDelegateBridge(WebDialogWindowController* controller, | |
| 37 content::BrowserContext* context, | |
| 38 WebDialogDelegate* delegate); | |
| 39 | |
| 40 ~WebDialogWindowDelegateBridge() override; | |
| 41 | |
| 42 // Called when the window is directly closed, e.g. from the close | |
| 43 // button or from an accelerator. | |
| 44 void WindowControllerClosed(); | |
| 45 | |
| 46 // WebDialogDelegate declarations. | |
| 47 ui::ModalType GetDialogModalType() const override; | |
| 48 base::string16 GetDialogTitle() const override; | |
| 49 GURL GetDialogContentURL() const override; | |
| 50 void GetWebUIMessageHandlers( | |
| 51 std::vector<WebUIMessageHandler*>* handlers) const override; | |
| 52 void GetDialogSize(gfx::Size* size) const override; | |
| 53 void GetMinimumDialogSize(gfx::Size* size) const override; | |
| 54 std::string GetDialogArgs() const override; | |
| 55 void OnDialogClosed(const std::string& json_retval) override; | |
| 56 void OnCloseContents(WebContents* source, bool* out_close_dialog) override; | |
| 57 bool ShouldShowDialogTitle() const override { return true; } | |
| 58 | |
| 59 // WebDialogWebContentsDelegate declarations. | |
| 60 void MoveContents(WebContents* source, const gfx::Rect& pos) override; | |
| 61 void HandleKeyboardEvent(content::WebContents* source, | |
| 62 const NativeWebKeyboardEvent& event) override; | |
| 63 void CloseContents(WebContents* source) override; | |
| 64 content::WebContents* OpenURLFromTab( | |
| 65 content::WebContents* source, | |
| 66 const content::OpenURLParams& params) override; | |
| 67 void AddNewContents(content::WebContents* source, | |
| 68 content::WebContents* new_contents, | |
| 69 WindowOpenDisposition disposition, | |
| 70 const gfx::Rect& initial_rect, | |
| 71 bool user_gesture, | |
| 72 bool* was_blocked) override; | |
| 73 void LoadingStateChanged(content::WebContents* source, | |
| 74 bool to_different_document) override; | |
| 75 | |
| 76 private: | |
| 77 WebDialogWindowController* controller_; // weak | |
| 78 WebDialogDelegate* delegate_; // weak, owned by controller_ | |
| 79 | |
| 80 // Calls delegate_'s OnDialogClosed() exactly once, nulling it out afterwards | |
| 81 // so that no other WebDialogDelegate calls are sent to it. Returns whether or | |
| 82 // not the OnDialogClosed() was actually called on the delegate. | |
| 83 bool DelegateOnDialogClosed(const std::string& json_retval); | |
| 84 | |
| 85 DISALLOW_COPY_AND_ASSIGN(WebDialogWindowDelegateBridge); | |
| 86 }; | |
| 87 | |
| 88 namespace chrome { | |
| 89 | |
| 90 gfx::NativeWindow ShowWebDialog(gfx::NativeView parent, | |
| 91 content::BrowserContext* context, | |
| 92 WebDialogDelegate* delegate) { | |
| 93 return [WebDialogWindowController showWebDialog:delegate | |
| 94 context:context]; | |
| 95 } | |
| 96 | |
| 97 } // namespace chrome | |
| 98 | |
| 99 WebDialogWindowDelegateBridge::WebDialogWindowDelegateBridge( | |
| 100 WebDialogWindowController* controller, | |
| 101 content::BrowserContext* context, | |
| 102 WebDialogDelegate* delegate) | |
| 103 : WebDialogWebContentsDelegate(context, new ChromeWebContentsHandler), | |
| 104 controller_(controller), | |
| 105 delegate_(delegate) { | |
| 106 DCHECK(controller_); | |
| 107 DCHECK(delegate_); | |
| 108 } | |
| 109 | |
| 110 WebDialogWindowDelegateBridge::~WebDialogWindowDelegateBridge() {} | |
| 111 | |
| 112 void WebDialogWindowDelegateBridge::WindowControllerClosed() { | |
| 113 Detach(); | |
| 114 controller_ = nil; | |
| 115 DelegateOnDialogClosed(""); | |
| 116 } | |
| 117 | |
| 118 bool WebDialogWindowDelegateBridge::DelegateOnDialogClosed( | |
| 119 const std::string& json_retval) { | |
| 120 if (delegate_) { | |
| 121 WebDialogDelegate* real_delegate = delegate_; | |
| 122 delegate_ = NULL; | |
| 123 real_delegate->OnDialogClosed(json_retval); | |
| 124 return true; | |
| 125 } | |
| 126 return false; | |
| 127 } | |
| 128 | |
| 129 // WebDialogDelegate definitions. | |
| 130 | |
| 131 // All of these functions check for NULL first since delegate_ is set | |
| 132 // to NULL when the window is closed. | |
| 133 | |
| 134 ui::ModalType WebDialogWindowDelegateBridge::GetDialogModalType() const { | |
| 135 // TODO(akalin): Support modal dialog boxes. | |
| 136 if (delegate_ && delegate_->GetDialogModalType() != ui::MODAL_TYPE_NONE) { | |
| 137 LOG(WARNING) << "Modal Web dialogs are not supported yet"; | |
| 138 } | |
| 139 return ui::MODAL_TYPE_NONE; | |
| 140 } | |
| 141 | |
| 142 base::string16 WebDialogWindowDelegateBridge::GetDialogTitle() const { | |
| 143 return delegate_ ? delegate_->GetDialogTitle() : base::string16(); | |
| 144 } | |
| 145 | |
| 146 GURL WebDialogWindowDelegateBridge::GetDialogContentURL() const { | |
| 147 return delegate_ ? delegate_->GetDialogContentURL() : GURL(); | |
| 148 } | |
| 149 | |
| 150 void WebDialogWindowDelegateBridge::GetWebUIMessageHandlers( | |
| 151 std::vector<WebUIMessageHandler*>* handlers) const { | |
| 152 if (delegate_) { | |
| 153 delegate_->GetWebUIMessageHandlers(handlers); | |
| 154 } else { | |
| 155 // TODO(akalin): Add this clause in the windows version. Also | |
| 156 // make sure that everything expects handlers to be non-NULL and | |
| 157 // document it. | |
| 158 handlers->clear(); | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 void WebDialogWindowDelegateBridge::GetDialogSize(gfx::Size* size) const { | |
| 163 if (delegate_) | |
| 164 delegate_->GetDialogSize(size); | |
| 165 else | |
| 166 *size = gfx::Size(); | |
| 167 } | |
| 168 | |
| 169 void WebDialogWindowDelegateBridge::GetMinimumDialogSize( | |
| 170 gfx::Size* size) const { | |
| 171 if (delegate_) | |
| 172 delegate_->GetMinimumDialogSize(size); | |
| 173 else | |
| 174 *size = gfx::Size(); | |
| 175 } | |
| 176 | |
| 177 std::string WebDialogWindowDelegateBridge::GetDialogArgs() const { | |
| 178 return delegate_ ? delegate_->GetDialogArgs() : ""; | |
| 179 } | |
| 180 | |
| 181 void WebDialogWindowDelegateBridge::OnDialogClosed( | |
| 182 const std::string& json_retval) { | |
| 183 Detach(); | |
| 184 // [controller_ close] should be called at most once, too. | |
| 185 if (DelegateOnDialogClosed(json_retval)) { | |
| 186 [controller_ close]; | |
| 187 } | |
| 188 controller_ = nil; | |
| 189 } | |
| 190 | |
| 191 void WebDialogWindowDelegateBridge::OnCloseContents(WebContents* source, | |
| 192 bool* out_close_dialog) { | |
| 193 *out_close_dialog = true; | |
| 194 } | |
| 195 | |
| 196 void WebDialogWindowDelegateBridge::CloseContents(WebContents* source) { | |
| 197 bool close_dialog = false; | |
| 198 OnCloseContents(source, &close_dialog); | |
| 199 if (close_dialog) | |
| 200 OnDialogClosed(std::string()); | |
| 201 } | |
| 202 | |
| 203 content::WebContents* WebDialogWindowDelegateBridge::OpenURLFromTab( | |
| 204 content::WebContents* source, | |
| 205 const content::OpenURLParams& params) { | |
| 206 content::WebContents* new_contents = NULL; | |
| 207 if (delegate_ && | |
| 208 delegate_->HandleOpenURLFromTab(source, params, &new_contents)) { | |
| 209 return new_contents; | |
| 210 } | |
| 211 return WebDialogWebContentsDelegate::OpenURLFromTab(source, params); | |
| 212 } | |
| 213 | |
| 214 void WebDialogWindowDelegateBridge::AddNewContents( | |
| 215 content::WebContents* source, | |
| 216 content::WebContents* new_contents, | |
| 217 WindowOpenDisposition disposition, | |
| 218 const gfx::Rect& initial_rect, | |
| 219 bool user_gesture, | |
| 220 bool* was_blocked) { | |
| 221 if (delegate_ && delegate_->HandleAddNewContents( | |
| 222 source, new_contents, disposition, initial_rect, user_gesture)) { | |
| 223 return; | |
| 224 } | |
| 225 WebDialogWebContentsDelegate::AddNewContents( | |
| 226 source, new_contents, disposition, initial_rect, user_gesture, | |
| 227 was_blocked); | |
| 228 } | |
| 229 | |
| 230 void WebDialogWindowDelegateBridge::LoadingStateChanged( | |
| 231 content::WebContents* source, bool to_different_document) { | |
| 232 if (delegate_) | |
| 233 delegate_->OnLoadingStateChanged(source); | |
| 234 } | |
| 235 | |
| 236 void WebDialogWindowDelegateBridge::MoveContents(WebContents* source, | |
| 237 const gfx::Rect& pos) { | |
| 238 // TODO(akalin): Actually set the window bounds. | |
| 239 } | |
| 240 | |
| 241 // A simplified version of BrowserWindowCocoa::HandleKeyboardEvent(). | |
| 242 // We don't handle global keyboard shortcuts here, but that's fine since | |
| 243 // they're all browser-specific. (This may change in the future.) | |
| 244 void WebDialogWindowDelegateBridge::HandleKeyboardEvent( | |
| 245 content::WebContents* source, | |
| 246 const NativeWebKeyboardEvent& event) { | |
| 247 if (event.skip_in_browser || event.type == NativeWebKeyboardEvent::Char) | |
| 248 return; | |
| 249 | |
| 250 // Close ourselves if the user hits Esc or Command-. . The normal | |
| 251 // way to do this is to implement (void)cancel:(int)sender, but | |
| 252 // since we handle keyboard events ourselves we can't do that. | |
| 253 // | |
| 254 // According to experiments, hitting Esc works regardless of the | |
| 255 // presence of other modifiers (as long as it's not an app-level | |
| 256 // shortcut, e.g. Commmand-Esc for Front Row) but no other modifiers | |
| 257 // can be present for Command-. to work. | |
| 258 // | |
| 259 // TODO(thakis): It would be nice to get cancel: to work somehow. | |
| 260 // Bug: http://code.google.com/p/chromium/issues/detail?id=32828 . | |
| 261 if (event.type == NativeWebKeyboardEvent::RawKeyDown && | |
| 262 ((event.windowsKeyCode == ui::VKEY_ESCAPE) || | |
| 263 (event.windowsKeyCode == ui::VKEY_OEM_PERIOD && | |
| 264 event.modifiers == NativeWebKeyboardEvent::MetaKey))) { | |
| 265 [controller_ close]; | |
| 266 return; | |
| 267 } | |
| 268 | |
| 269 ChromeEventProcessingWindow* event_window = | |
| 270 static_cast<ChromeEventProcessingWindow*>([controller_ window]); | |
| 271 DCHECK([event_window isKindOfClass:[ChromeEventProcessingWindow class]]); | |
| 272 [event_window redispatchKeyEvent:event.os_event]; | |
| 273 } | |
| 274 | |
| 275 @implementation WebDialogWindowController | |
| 276 | |
| 277 // NOTE(akalin): We'll probably have to add the parentWindow parameter back | |
| 278 // in once we implement modal dialogs. | |
| 279 | |
| 280 + (NSWindow*)showWebDialog:(WebDialogDelegate*)delegate | |
| 281 context:(content::BrowserContext*)context { | |
| 282 WebDialogWindowController* webDialogWindowController = | |
| 283 [[WebDialogWindowController alloc] initWithDelegate:delegate | |
| 284 context:context]; | |
| 285 [webDialogWindowController loadDialogContents]; | |
| 286 [webDialogWindowController showWindow:nil]; | |
| 287 return [webDialogWindowController window]; | |
| 288 } | |
| 289 | |
| 290 - (id)initWithDelegate:(WebDialogDelegate*)delegate | |
| 291 context:(content::BrowserContext*)context { | |
| 292 DCHECK(delegate); | |
| 293 DCHECK(context); | |
| 294 | |
| 295 gfx::Size dialogSize; | |
| 296 delegate->GetDialogSize(&dialogSize); | |
| 297 NSRect dialogRect = NSMakeRect(0, 0, dialogSize.width(), dialogSize.height()); | |
| 298 NSUInteger style = NSTitledWindowMask | NSClosableWindowMask | | |
| 299 NSResizableWindowMask; | |
| 300 base::scoped_nsobject<ChromeEventProcessingWindow> window( | |
| 301 [[ChromeEventProcessingWindow alloc] | |
| 302 initWithContentRect:dialogRect | |
| 303 styleMask:style | |
| 304 backing:NSBackingStoreBuffered | |
| 305 defer:NO]); | |
| 306 if (!window.get()) { | |
| 307 return nil; | |
| 308 } | |
| 309 self = [super initWithWindow:window]; | |
| 310 if (!self) { | |
| 311 return nil; | |
| 312 } | |
| 313 [window setWindowController:self]; | |
| 314 [window setDelegate:self]; | |
| 315 [window setTitle:base::SysUTF16ToNSString(delegate->GetDialogTitle())]; | |
| 316 [window setMinSize:dialogRect.size]; | |
| 317 [window center]; | |
| 318 delegate_.reset( | |
| 319 new WebDialogWindowDelegateBridge(self, context, delegate)); | |
| 320 return self; | |
| 321 } | |
| 322 | |
| 323 - (void)loadDialogContents { | |
| 324 webContents_.reset(WebContents::Create( | |
| 325 WebContents::CreateParams(delegate_->browser_context()))); | |
| 326 [[self window] setContentView:webContents_->GetNativeView()]; | |
| 327 webContents_->SetDelegate(delegate_.get()); | |
| 328 | |
| 329 // This must be done before loading the page; see the comments in | |
| 330 // WebDialogUI. | |
| 331 WebDialogUI::SetDelegate(webContents_.get(), delegate_.get()); | |
| 332 | |
| 333 webContents_->GetController().LoadURL( | |
| 334 delegate_->GetDialogContentURL(), | |
| 335 content::Referrer(), | |
| 336 ui::PAGE_TRANSITION_AUTO_TOPLEVEL, | |
| 337 std::string()); | |
| 338 | |
| 339 // TODO(akalin): add accelerator for ESC to close the dialog box. | |
| 340 // | |
| 341 // TODO(akalin): Figure out why implementing (void)cancel:(id)sender | |
| 342 // to do the above doesn't work. | |
| 343 } | |
| 344 | |
| 345 - (void)windowWillClose:(NSNotification*)notification { | |
| 346 delegate_->WindowControllerClosed(); | |
| 347 [self autorelease]; | |
| 348 } | |
| 349 | |
| 350 @end | |
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Chromium Code Reviews
Issue 1640043002:
Mac (cleanup): Remove WebDialogs. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master