Handle keyboard shortcuts in Mac Panels.

chrome/browser/ui/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/cocoa/browser_window_cocoa.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
 #include "chrome/browser/download/download_shelf.h"
-#include "chrome/browser/global_keyboard_shortcuts_mac.h"
 #include "chrome/browser/page_info_window.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sidebar/sidebar_container.h"
 #include "chrome/browser/sidebar/sidebar_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #import "chrome/browser/ui/cocoa/browser/edit_search_engine_cocoa_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#import "chrome/browser/ui/cocoa/browser_window_utils.h"
 #import "chrome/browser/ui/cocoa/bug_report_window_controller.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 #import "chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h"
 #import "chrome/browser/ui/cocoa/download/download_shelf_controller.h"
 #include "chrome/browser/ui/cocoa/find_bar/find_bar_bridge.h"
 #import "chrome/browser/ui/cocoa/html_dialog_window_controller.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #import "chrome/browser/ui/cocoa/nsmenuitem_additions.h"
 #include "chrome/browser/ui/cocoa/repost_form_warning_mac.h"
 #include "chrome/browser/ui/cocoa/restart_browser.h"
@@ skipping 408 matching lines @@
                                       bool show_history) {
   browser::ShowPageInfoBubble(window(), profile, url, ssl, show_history);
 }
 
 void BrowserWindowCocoa::ShowAppMenu() {
   // No-op. Mac doesn't support showing the menus via alt keys.
 }
 
 bool BrowserWindowCocoa::PreHandleKeyboardEvent(
     const NativeWebKeyboardEvent& event, bool* is_keyboard_shortcut) {
-  if (event.skip_in_browser || event.type == NativeWebKeyboardEvent::Char)
+  if (![BrowserWindowUtils shouldHandleKeyboardEvent:event])
     return false;
 
-  DCHECK(event.os_event != NULL);
-  int id = GetCommandId(event);
+  int id = [BrowserWindowUtils getCommandId:event];
   if (id == -1)
     return false;
 
-  if (browser_->IsReservedCommandOrKey(id, event))
-    return HandleKeyboardEventInternal(event.os_event);
+  if (browser_->IsReservedCommandOrKey(id, event)) {
+      return [BrowserWindowUtils handleKeyboardEvent:event.os_event
+                                            inWindow:window()];
+  }
 
-  DCHECK(is_keyboard_shortcut != NULL);
+  DCHECK(is_keyboard_shortcut);
   *is_keyboard_shortcut = true;
-
   return false;
 }
 
 void BrowserWindowCocoa::HandleKeyboardEvent(
     const NativeWebKeyboardEvent& event) {
-  if (event.skip_in_browser || event.type == NativeWebKeyboardEvent::Char)
-    return;
-
-  DCHECK(event.os_event != NULL);
-  HandleKeyboardEventInternal(event.os_event);
-}
-
-@interface MenuWalker : NSObject
-+ (NSMenuItem*)itemForKeyEquivalent:(NSEvent*)key
-                               menu:(NSMenu*)menu;
-@end
-
-@implementation MenuWalker
-+ (NSMenuItem*)itemForKeyEquivalent:(NSEvent*)key
-                               menu:(NSMenu*)menu {
-  NSMenuItem* result = nil;
-
-  for (NSMenuItem *item in [menu itemArray]) {
-    NSMenu* submenu = [item submenu];
-    if (submenu) {
-      if (submenu != [NSApp servicesMenu])
-        result = [self itemForKeyEquivalent:key
-                                       menu:submenu];
-    } else if ([item cr_firesForKeyEventIfEnabled:key]) {
-      result = item;
-    }
-
-    if (result)
-      break;
-  }
-
-  return result;
-}
-@end
-
-int BrowserWindowCocoa::GetCommandId(const NativeWebKeyboardEvent& event) {
-  if ([event.os_event type] != NSKeyDown)
-    return -1;
-
-  // Look in menu.
-  NSMenuItem* item = [MenuWalker itemForKeyEquivalent:event.os_event
-                                                 menu:[NSApp mainMenu]];
-
-  if (item && [item action] == @selector(commandDispatch:) && [item tag] > 0)
-    return [item tag];
-
-  // "Close window" doesn't use the |commandDispatch:| mechanism. Menu items
-  // that do not correspond to IDC_ constants need no special treatment however,
-  // as they can't be blacklisted in |Browser::IsReservedCommandOrKey()| anyhow.
-  if (item && [item action] == @selector(performClose:))
-    return IDC_CLOSE_WINDOW;
-
-  // "Exit" doesn't use the |commandDispatch:| mechanism either.
-  if (item && [item action] == @selector(terminate:))
-    return IDC_EXIT;
-
-  // Look in secondary keyboard shortcuts.
-  NSUInteger modifiers = [event.os_event modifierFlags];
-  const bool cmdKey = (modifiers & NSCommandKeyMask) != 0;
-  const bool shiftKey = (modifiers & NSShiftKeyMask) != 0;
-  const bool cntrlKey = (modifiers & NSControlKeyMask) != 0;
-  const bool optKey = (modifiers & NSAlternateKeyMask) != 0;
-  const int keyCode = [event.os_event keyCode];
-  const unichar keyChar = KeyCharacterForEvent(event.os_event);
-
-  int cmdNum = CommandForWindowKeyboardShortcut(
-      cmdKey, shiftKey, cntrlKey, optKey, keyCode, keyChar);
-  if (cmdNum != -1)
-    return cmdNum;
-
-  cmdNum = CommandForBrowserKeyboardShortcut(
-      cmdKey, shiftKey, cntrlKey, optKey, keyCode, keyChar);
-  if (cmdNum != -1)
-    return cmdNum;
-
-  return -1;
-}
-
-bool BrowserWindowCocoa::HandleKeyboardEventInternal(NSEvent* event) {
-  ChromeEventProcessingWindow* event_window =
-      static_cast<ChromeEventProcessingWindow*>(window());
-  DCHECK([event_window isKindOfClass:[ChromeEventProcessingWindow class]]);
-
-  // Do not fire shortcuts on key up.
-  if ([event type] == NSKeyDown) {
-    // Send the event to the menu before sending it to the browser/window
-    // shortcut handling, so that if a user configures cmd-left to mean
-    // "previous tab", it takes precedence over the built-in "history back"
-    // binding. Other than that, the |-redispatchKeyEvent:| call would take care
-    // of invoking the original menu item shortcut as well.
-
-    if ([[NSApp mainMenu] performKeyEquivalent:event])
-      return true;
-
-    if ([event_window handleExtraBrowserKeyboardShortcut:event])
-      return true;
-
-    if ([event_window handleExtraWindowKeyboardShortcut:event])
-      return true;
-
-    if ([event_window handleDelayedWindowKeyboardShortcut:event])
-      return true;
-  }
-
-  return [event_window redispatchKeyEvent:event];
+  if ([BrowserWindowUtils shouldHandleKeyboardEvent:event])
+    [BrowserWindowUtils handleKeyboardEvent:event.os_event inWindow:window()];
 }
 
 void BrowserWindowCocoa::ShowCreateWebAppShortcutsDialog(
     TabContentsWrapper* tab_contents) {
   NOTIMPLEMENTED();
 }
 
 void BrowserWindowCocoa::ShowCreateChromeAppShortcutsDialog(
     Profile* profile, const Extension* app) {
   NOTIMPLEMENTED();
@@ skipping 95 matching lines @@
 
 NSWindow* BrowserWindowCocoa::window() const {
   return [controller_ window];
 }
 
 void BrowserWindowCocoa::UpdateSidebarForContents(TabContents* tab_contents) {
   if (tab_contents == browser_->GetSelectedTabContents()) {
     [controller_ updateSidebarForContents:tab_contents];
   }
 }