Mac-specific implementation of the GlobalShortcutListener class that

chrome/browser/extensions/extension_commands_global_registry_apitest.cc

 // Copyright (c) 2013 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/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/window_controller.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "content/public/test/browser_test_utils.h"
 #include "ui/base/base_window.h"
 #include "ui/base/test/ui_controls.h"
 
 #if defined(OS_LINUX)
 #include <X11/Xlib.h>
 #include <X11/extensions/XTest.h>
 #include <X11/keysym.h>
 
 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
 #include "ui/gfx/x/x11_types.h"
 #endif
 
+#if defined(OS_MACOSX)
+#include <Carbon/Carbon.h>
+
+#include "base/mac/scoped_cftyperef.h"
+#endif
+
 namespace extensions {
 
 typedef ExtensionApiTest GlobalCommandsApiTest;
 
 #if defined(OS_LINUX)
 // Send a simulated key press and release event, where |control|, |shift| or
 // |alt| indicates whether the key is struck with corresponding modifier.
 void SendNativeKeyEventToXDisplay(ui::KeyboardCode key,
                                   bool control,
                                   bool shift,
@@ skipping 27 matching lines @@
     XTestFakeKeyEvent(display, *it, True, CurrentTime);
 
   // Simulate the keys being released.
   for (KeyCodes::iterator it = key_codes.begin(); it != key_codes.end(); it++)
     XTestFakeKeyEvent(display, *it, False, CurrentTime);
 
   XFlush(display);
 }
 #endif  // OS_LINUX
 
+#if defined(OS_MACOSX)
+using base::ScopedCFTypeRef;
+
+void SendNativeCommandShift(int key_code) {
+  CGEventSourceRef event_source =
+      CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
+  CGEventTapLocation event_tap_location = kCGHIDEventTap;
+
+  // Create the keyboard press events.
+  ScopedCFTypeRef<CGEventRef> command_down(CGEventCreateKeyboardEvent(
+      event_source, kVK_Command, true));
+  ScopedCFTypeRef<CGEventRef> shift_down(CGEventCreateKeyboardEvent(
+      event_source, kVK_Shift, true));
+  ScopedCFTypeRef<CGEventRef> key_down(CGEventCreateKeyboardEvent(
+      event_source, key_code, true));
+  CGEventSetFlags(key_down, kCGEventFlagMaskCommand | kCGEventFlagMaskShift);
+
+  // Create the keyboard release events.
+  ScopedCFTypeRef<CGEventRef> command_up(CGEventCreateKeyboardEvent(
+      event_source, kVK_Command, false));
+  ScopedCFTypeRef<CGEventRef> shift_up(CGEventCreateKeyboardEvent(
+      event_source, kVK_Shift, false));
+  ScopedCFTypeRef<CGEventRef> key_up(CGEventCreateKeyboardEvent(
+      event_source, key_code, false));
+  CGEventSetFlags(key_up, kCGEventFlagMaskCommand | kCGEventFlagMaskShift);
+
+  // Post all of the events.
+  CGEventPost(event_tap_location, command_down);
+  CGEventPost(event_tap_location, shift_down);
+  CGEventPost(event_tap_location, key_down);
+  CGEventPost(event_tap_location, key_up);
+  CGEventPost(event_tap_location, shift_up);
+  CGEventPost(event_tap_location, command_up);
+
+  CFRelease(event_source);
+}
+#endif
+
 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 // The feature is only fully implemented on Windows and Linux, other platforms
 // coming.
 #define MAYBE_GlobalCommand GlobalCommand
 #else
 #define MAYBE_GlobalCommand DISABLED_GlobalCommand
 #endif
 
 // Test the basics of global commands and make sure they work when Chrome
 // doesn't have focus. Also test that non-global commands are not treated as
 // global and that keys beyond Ctrl+Shift+[0..9] cannot be auto-assigned by an
 // extension.
 IN_PROC_BROWSER_TEST_F(GlobalCommandsApiTest, MAYBE_GlobalCommand) {
   FeatureSwitch::ScopedOverride enable_global_commands(
       FeatureSwitch::global_commands(), true);
 
   // Load the extension in the non-incognito browser.
   ResultCatcher catcher;
   ASSERT_TRUE(RunExtensionTest("keybinding/global")) << message_;
   ASSERT_TRUE(catcher.GetNextResult());
 
-#if !defined(OS_LINUX)
+#if defined(OS_WIN)
   // Our infrastructure for sending keys expects a browser to send them to, but
   // to properly test global shortcuts you need to send them to another target.
   // So, create an incognito browser to use as a target to send the shortcuts
   // to. It will ignore all of them and allow us test whether the global
   // shortcut really is global in nature and also that the non-global shortcut
   // is non-global.
   Browser* incognito_browser = CreateIncognitoBrowser();
 
   // Try to activate the non-global shortcut (Ctrl+Shift+1) and the
   // non-assignable shortcut (Ctrl+Shift+A) by sending the keystrokes to the
   // incognito browser. Both shortcuts should have no effect (extension is not
   // loaded there).
   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
       incognito_browser, ui::VKEY_1, true, true, false, false));
   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
       incognito_browser, ui::VKEY_A, true, true, false, false));
 
   // Activate the shortcut (Ctrl+Shift+9). This should have an effect.
   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
       incognito_browser, ui::VKEY_9, true, true, false, false));
-#else
+#elif defined(OS_LINUX)
   // Create an incognito browser to capture the focus.
   CreateIncognitoBrowser();
 
   // On Linux, our infrastructure for sending keys just synthesize keyboard
   // event and send them directly to the specified window, without notifying the
   // X root window. It didn't work while testing global shortcut because the
   // stuff of global shortcut on Linux need to be notified when KeyPress event
   // is happening on X root window. So we simulate the keyboard input here.
   SendNativeKeyEventToXDisplay(ui::VKEY_1, true, true, false);
   SendNativeKeyEventToXDisplay(ui::VKEY_A, true, true, false);
   SendNativeKeyEventToXDisplay(ui::VKEY_9, true, true, false);
+#elif defined(OS_MACOSX)
+  // Create an incognito browser to capture the focus.
+  CreateIncognitoBrowser();
+
+  // Send some native mac key events.
+  SendNativeCommandShift(kVK_ANSI_1);
+  SendNativeCommandShift(kVK_ANSI_A);
+  SendNativeCommandShift(kVK_ANSI_9);
 #endif
 
   // If this fails, it might be because the global shortcut failed to work,
   // but it might also be because the non-global shortcuts unexpectedly
   // worked.
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
 #if defined(OS_WIN)
 // The feature is only fully implemented on Windows, other platforms coming.
+// TODO(smus): On mac, SendKeyPress must first support media keys.
 #define MAYBE_GlobalDuplicatedMediaKey GlobalDuplicatedMediaKey
 #else
 #define MAYBE_GlobalDuplicatedMediaKey DISABLED_GlobalDuplicatedMediaKey
 #endif
 
 IN_PROC_BROWSER_TEST_F(GlobalCommandsApiTest, MAYBE_GlobalDuplicatedMediaKey) {
   FeatureSwitch::ScopedOverride enable_global_commands(
       FeatureSwitch::global_commands(), true);
 
   ResultCatcher catcher;
@@ skipping 12 matching lines @@
                             false,
                             false,
                             false);
 
   // We should get two success result.
   ASSERT_TRUE(catcher.GetNextResult());
   ASSERT_TRUE(catcher.GetNextResult());
 }
 
 }  // namespace extensions