Fix accelerators in avatar gaia webview on mac

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
 
 #import "chrome/browser/ui/cocoa/profiles/profile_chooser_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/prefs/pref_service.h"
@@ skipping 52 matching lines @@
 #import "ui/base/cocoa/hover_image_button.h"
 #include "ui/base/cocoa/window_size_constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/text_elider.h"
 #include "ui/native_theme/common_theme.h"
 #include "ui/native_theme/native_theme.h"
 
+#include "chrome/app/chrome_command_ids.h"
+#include "content/public/browser/native_web_keyboard_event.h"
+#import "chrome/browser/ui/cocoa/browser_window_utils.h"
+
 namespace {
 
 // Constants taken from the Windows/Views implementation at:
 // chrome/browser/ui/views/profile_chooser_view.cc
 const int kLargeImageSide = 88;
 const int kSmallImageSide = 32;
 const CGFloat kFixedMenuWidth = 250;
 
 const CGFloat kVerticalSpacing = 16.0;
 const CGFloat kSmallVerticalSpacing = 10.0;
@@ skipping 157 matching lines @@
 }
 
 bool HasAuthError(Profile* profile) {
   const SigninErrorController* error_controller =
       profiles::GetSigninErrorController(profile);
   return error_controller && error_controller->HasError();
 }
 
 }  // namespace
 
+// Custom WebContentsDelegate that allows handling of hotkeys and suppresses
+// the context menu
+class GaiaWebContentsDelegate : public content::WebContentsDelegate {
+ public:
+  GaiaWebContentsDelegate() {}
+
+  virtual ~GaiaWebContentsDelegate() {}
+
+ private:
+  // Overridden from content::WebContentsDelegate.
+  bool HandleContextMenu(const content::ContextMenuParams& params) override;
+  void HandleKeyboardEvent(
+      content::WebContents* source,
+      const content::NativeWebKeyboardEvent& event) override;
+};
+
+bool GaiaWebContentsDelegate::HandleContextMenu(
+    const content::ContextMenuParams& params) {
+  #ifndef NDEBUG
+    return false;
+  #else
+    return true;
+  #endif
+}
+
+void GaiaWebContentsDelegate::HandleKeyboardEvent(
+    content::WebContents* source,
+    const content::NativeWebKeyboardEvent& event) {
+  if (![BrowserWindowUtils shouldHandleKeyboardEvent:event])
+    return;
+
+  int chromeCommandId = [BrowserWindowUtils getCommandId:event];
+
+  bool isTextEditingCommand =
+      (event.modifiers & blink::WebInputEvent::MetaKey) &&
+      (event.windowsKeyCode == ui::VKEY_A ||
+       event.windowsKeyCode == ui::VKEY_V);
+
+  // TODO(guohui): maybe should add accelerator for the back button.
+  if (chromeCommandId == IDC_CLOSE_WINDOW || chromeCommandId == IDC_EXIT ||
+      isTextEditingCommand) {
+    [[NSApp mainMenu] performKeyEquivalent:event.os_event];
+  }
+}
+
 // Class that listens to changes to the OAuth2Tokens for the active profile,
 // changes to the avatar menu model or browser close notifications.
 class ActiveProfileObserverBridge : public AvatarMenuObserver,
                                     public content::NotificationObserver,
                                     public OAuth2TokenService::Observer {
  public:
   ActiveProfileObserverBridge(ProfileChooserController* controller,
                               Browser* browser)
       : controller_(controller),
         browser_(browser),
@@ skipping 1638 matching lines @@
           errorController ? errorController->error_username() : std::string());
       messageId = IDS_PROFILES_GAIA_REAUTH_TITLE;
       break;
     default:
       NOTREACHED() << "Called with invalid mode=" << viewMode_;
       break;
   }
 
   webContents_.reset(content::WebContents::Create(
       content::WebContents::CreateParams(browser_->profile())));
+
+  webContentsDelegate_.reset(new GaiaWebContentsDelegate());
+  webContents_->SetDelegate(webContentsDelegate_.get());
   webContents_->GetController().LoadURL(url,
                                         content::Referrer(),
                                         ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
                                         std::string());
   NSView* webview = webContents_->GetNativeView();
   [webview setFrameSize:NSMakeSize(kFixedGaiaViewWidth, kFixedGaiaViewHeight)];
   [container addSubview:webview];
   content::RenderWidgetHostView* rwhv = webContents_->GetRenderWidgetHostView();
   if (rwhv)
     rwhv->SetBackgroundColor(profiles::kAvatarBubbleGaiaBackgroundColor);
@@ skipping 286 matching lines @@
 }
 
 - (bool)shouldShowGoIncognito {
   bool incognitoAvailable =
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognitoAvailable && !browser_->profile()->IsGuestSession();
 }
 
 @end