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      1 // Copyright (c) 2013 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/extensions/extension_apitest.h"
      6 #include "chrome/browser/extensions/window_controller.h"
      7 #include "chrome/browser/ui/browser_window.h"
      8 #include "chrome/browser/ui/tabs/tab_strip_model.h"
      9 #include "chrome/test/base/interactive_test_utils.h"
     10 #include "content/public/test/browser_test_utils.h"
     11 #include "extensions/test/result_catcher.h"
     12 #include "ui/base/base_window.h"
     13 #include "ui/base/test/ui_controls.h"
     14 
     15 #if defined(OS_LINUX)
     16 #include <X11/Xlib.h>
     17 #include <X11/extensions/XTest.h>
     18 #include <X11/keysym.h>
     19 
     20 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
     21 #include "ui/gfx/x/x11_types.h"
     22 #endif
     23 
     24 #if defined(OS_MACOSX)
     25 #include <Carbon/Carbon.h>
     26 
     27 #include "base/mac/scoped_cftyperef.h"
     28 #endif
     29 
     30 namespace extensions {
     31 
     32 typedef ExtensionApiTest GlobalCommandsApiTest;
     33 
     34 #if defined(OS_LINUX) && defined(USE_X11)
     35 // Send a simulated key press and release event, where |control|, |shift| or
     36 // |alt| indicates whether the key is struck with corresponding modifier.
     37 void SendNativeKeyEventToXDisplay(ui::KeyboardCode key,
     38                                   bool control,
     39                                   bool shift,
     40                                   bool alt) {
     41   Display* display = gfx::GetXDisplay();
     42   KeyCode ctrl_key_code = XKeysymToKeycode(display, XK_Control_L);
     43   KeyCode shift_key_code = XKeysymToKeycode(display, XK_Shift_L);
     44   KeyCode alt_key_code = XKeysymToKeycode(display, XK_Alt_L);
     45 
     46   // Release modifiers first of all to make sure this function can work as
     47   // expected. For example, when |control| is false, but the status of Ctrl key
     48   // is down, we will generate a keyboard event with unwanted Ctrl key.
     49   XTestFakeKeyEvent(display, ctrl_key_code, False, CurrentTime);
     50   XTestFakeKeyEvent(display, shift_key_code, False, CurrentTime);
     51   XTestFakeKeyEvent(display, alt_key_code, False, CurrentTime);
     52 
     53   typedef std::vector<KeyCode> KeyCodes;
     54   KeyCodes key_codes;
     55   if (control)
     56     key_codes.push_back(ctrl_key_code);
     57   if (shift)
     58     key_codes.push_back(shift_key_code);
     59   if (alt)
     60     key_codes.push_back(alt_key_code);
     61 
     62   key_codes.push_back(XKeysymToKeycode(display,
     63                                        XKeysymForWindowsKeyCode(key, false)));
     64 
     65   // Simulate the keys being pressed.
     66   for (KeyCodes::iterator it = key_codes.begin(); it != key_codes.end(); it++)
     67     XTestFakeKeyEvent(display, *it, True, CurrentTime);
     68 
     69   // Simulate the keys being released.
     70   for (KeyCodes::iterator it = key_codes.begin(); it != key_codes.end(); it++)
     71     XTestFakeKeyEvent(display, *it, False, CurrentTime);
     72 
     73   XFlush(display);
     74 }
     75 #endif  // OS_LINUX && USE_X11
     76 
     77 #if defined(OS_MACOSX)
     78 using base::ScopedCFTypeRef;
     79 
     80 void SendNativeCommandShift(int key_code) {
     81   CGEventSourceRef event_source =
     82       CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
     83   CGEventTapLocation event_tap_location = kCGHIDEventTap;
     84 
     85   // Create the keyboard press events.
     86   ScopedCFTypeRef<CGEventRef> command_down(CGEventCreateKeyboardEvent(
     87       event_source, kVK_Command, true));
     88   ScopedCFTypeRef<CGEventRef> shift_down(CGEventCreateKeyboardEvent(
     89       event_source, kVK_Shift, true));
     90   ScopedCFTypeRef<CGEventRef> key_down(CGEventCreateKeyboardEvent(
     91       event_source, key_code, true));
     92   CGEventSetFlags(key_down, kCGEventFlagMaskCommand | kCGEventFlagMaskShift);
     93 
     94   // Create the keyboard release events.
     95   ScopedCFTypeRef<CGEventRef> command_up(CGEventCreateKeyboardEvent(
     96       event_source, kVK_Command, false));
     97   ScopedCFTypeRef<CGEventRef> shift_up(CGEventCreateKeyboardEvent(
     98       event_source, kVK_Shift, false));
     99   ScopedCFTypeRef<CGEventRef> key_up(CGEventCreateKeyboardEvent(
    100       event_source, key_code, false));
    101   CGEventSetFlags(key_up, kCGEventFlagMaskCommand | kCGEventFlagMaskShift);
    102 
    103   // Post all of the events.
    104   CGEventPost(event_tap_location, command_down);
    105   CGEventPost(event_tap_location, shift_down);
    106   CGEventPost(event_tap_location, key_down);
    107   CGEventPost(event_tap_location, key_up);
    108   CGEventPost(event_tap_location, shift_up);
    109   CGEventPost(event_tap_location, command_up);
    110 
    111   CFRelease(event_source);
    112 }
    113 #endif
    114 
    115 // Test the basics of global commands and make sure they work when Chrome
    116 // doesn't have focus. Also test that non-global commands are not treated as
    117 // global and that keys beyond Ctrl+Shift+[0..9] cannot be auto-assigned by an
    118 // extension.
    119 IN_PROC_BROWSER_TEST_F(GlobalCommandsApiTest, GlobalCommand) {
    120   // Load the extension in the non-incognito browser.
    121   ResultCatcher catcher;
    122   ASSERT_TRUE(RunExtensionTest("keybinding/global")) << message_;
    123   ASSERT_TRUE(catcher.GetNextResult());
    124 
    125 #if defined(OS_WIN) || defined(OS_CHROMEOS)
    126   // Our infrastructure for sending keys expects a browser to send them to, but
    127   // to properly test global shortcuts you need to send them to another target.
    128   // So, create an incognito browser to use as a target to send the shortcuts
    129   // to. It will ignore all of them and allow us test whether the global
    130   // shortcut really is global in nature and also that the non-global shortcut
    131   // is non-global.
    132   Browser* incognito_browser = CreateIncognitoBrowser();
    133 
    134   // Try to activate the non-global shortcut (Ctrl+Shift+1) and the
    135   // non-assignable shortcut (Ctrl+Shift+A) by sending the keystrokes to the
    136   // incognito browser. Both shortcuts should have no effect (extension is not
    137   // loaded there).
    138   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
    139       incognito_browser, ui::VKEY_1, true, true, false, false));
    140   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
    141       incognito_browser, ui::VKEY_A, true, true, false, false));
    142 
    143   // Activate the shortcut (Ctrl+Shift+8). This should have an effect.
    144   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
    145       incognito_browser, ui::VKEY_8, true, true, false, false));
    146 #elif defined(OS_LINUX) && defined(USE_X11)
    147   // Create an incognito browser to capture the focus.
    148   CreateIncognitoBrowser();
    149 
    150   // On Linux, our infrastructure for sending keys just synthesize keyboard
    151   // event and send them directly to the specified window, without notifying the
    152   // X root window. It didn't work while testing global shortcut because the
    153   // stuff of global shortcut on Linux need to be notified when KeyPress event
    154   // is happening on X root window. So we simulate the keyboard input here.
    155   SendNativeKeyEventToXDisplay(ui::VKEY_1, true, true, false);
    156   SendNativeKeyEventToXDisplay(ui::VKEY_A, true, true, false);
    157   SendNativeKeyEventToXDisplay(ui::VKEY_8, true, true, false);
    158 #elif defined(OS_MACOSX)
    159   // Create an incognito browser to capture the focus.
    160   CreateIncognitoBrowser();
    161 
    162   // Send some native mac key events.
    163   SendNativeCommandShift(kVK_ANSI_1);
    164   SendNativeCommandShift(kVK_ANSI_A);
    165   SendNativeCommandShift(kVK_ANSI_8);
    166 #endif
    167 
    168   // If this fails, it might be because the global shortcut failed to work,
    169   // but it might also be because the non-global shortcuts unexpectedly
    170   // worked.
    171   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
    172 }
    173 
    174 #if defined(OS_WIN)
    175 // Feature only fully implemented on Windows, other platforms coming.
    176 // TODO(smus): On mac, SendKeyPress must first support media keys.
    177 #define MAYBE_GlobalDuplicatedMediaKey GlobalDuplicatedMediaKey
    178 #else
    179 #define MAYBE_GlobalDuplicatedMediaKey DISABLED_GlobalDuplicatedMediaKey
    180 #endif
    181 
    182 IN_PROC_BROWSER_TEST_F(GlobalCommandsApiTest, MAYBE_GlobalDuplicatedMediaKey) {
    183   ResultCatcher catcher;
    184   ASSERT_TRUE(RunExtensionTest("keybinding/global_media_keys_0")) << message_;
    185   ASSERT_TRUE(catcher.GetNextResult());
    186   ASSERT_TRUE(RunExtensionTest("keybinding/global_media_keys_1")) << message_;
    187   ASSERT_TRUE(catcher.GetNextResult());
    188 
    189   Browser* incognito_browser = CreateIncognitoBrowser();  // Ditto.
    190   WindowController* controller =
    191       incognito_browser->extension_window_controller();
    192 
    193   ui_controls::SendKeyPress(controller->window()->GetNativeWindow(),
    194                             ui::VKEY_MEDIA_NEXT_TRACK,
    195                             false,
    196                             false,
    197                             false,
    198                             false);
    199 
    200   // We should get two success results.
    201   ASSERT_TRUE(catcher.GetNextResult());
    202   ASSERT_TRUE(catcher.GetNextResult());
    203 }
    204 
    205 }  // namespace extensions
    206