From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jeremy Apthorp <jeremya@chromium.org>
Date: Wed, 10 Oct 2018 15:07:34 -0700
Subject: command-ismediakey.patch

Override MediaKeysListener::IsMediaKeycode and associated functions to also listen for
Volume Up, Volume Down, and Mute.

Also apply electron/electron@0f67b1866a9f00b852370e721affa4efda623f3a
and electron/electron@d2368d2d3b3de9eec4cc32b6aaf035cc89921bf1 as
patches.

diff --git a/chrome/browser/extensions/global_shortcut_listener_win.cc b/chrome/browser/extensions/global_shortcut_listener_win.cc
index 0f344ee352a48497e77a72bb298146c61e7fcf2a..3bad4263ea552fc63445bf5613f8add746a3a374 100644
--- a/chrome/browser/extensions/global_shortcut_listener_win.cc
+++ b/chrome/browser/extensions/global_shortcut_listener_win.cc
@@ -62,6 +62,8 @@ void GlobalShortcutListenerWin::OnWndProc(HWND hwnd,
   modifiers |= (LOWORD(lparam) & MOD_SHIFT) ? ui::EF_SHIFT_DOWN : 0;
   modifiers |= (LOWORD(lparam) & MOD_ALT) ? ui::EF_ALT_DOWN : 0;
   modifiers |= (LOWORD(lparam) & MOD_CONTROL) ? ui::EF_CONTROL_DOWN : 0;
+  modifiers |= (LOWORD(lparam) & MOD_WIN) ? ui::EF_COMMAND_DOWN : 0;
+
   ui::Accelerator accelerator(
       ui::KeyboardCodeForWindowsKeyCode(key_code), modifiers);
 
@@ -92,6 +94,7 @@ bool GlobalShortcutListenerWin::RegisterAcceleratorImpl(
   modifiers |= accelerator.IsShiftDown() ? MOD_SHIFT : 0;
   modifiers |= accelerator.IsCtrlDown() ? MOD_CONTROL : 0;
   modifiers |= accelerator.IsAltDown() ? MOD_ALT : 0;
+  modifiers |= accelerator.IsCmdDown() ? MOD_WIN : 0;
 
   // Create an observer that registers a hot key for |accelerator|.
   std::unique_ptr<gfx::SingletonHwndHotKeyObserver> observer =
diff --git a/chrome/browser/extensions/global_shortcut_listener_x11.cc b/chrome/browser/extensions/global_shortcut_listener_x11.cc
index e1c49f5cd9bd249398a14905a6fb41d54238e1ec..ad1c76e77e029d759547f6aded492ae62a7ce946 100644
--- a/chrome/browser/extensions/global_shortcut_listener_x11.cc
+++ b/chrome/browser/extensions/global_shortcut_listener_x11.cc
@@ -37,7 +37,8 @@ x11::ModMask GetNativeModifiers(const ui::Accelerator& accelerator) {
   constexpr auto kNoMods = x11::ModMask{};
   return (accelerator.IsShiftDown() ? x11::ModMask::Shift : kNoMods) |
          (accelerator.IsCtrlDown() ? x11::ModMask::Control : kNoMods) |
-         (accelerator.IsAltDown() ? x11::ModMask::c_1 : kNoMods);
+         (accelerator.IsAltDown() ? x11::ModMask::c_1 : kNoMods) |
+         (accelerator.IsCmdDown() ? x11::ModMask::c_4 : kNoMods);
 }
 
 }  // namespace
diff --git a/content/browser/media/media_keys_listener_manager_impl.cc b/content/browser/media/media_keys_listener_manager_impl.cc
index 4145418210c2b1033390ec8a2e657cb1fcd048f8..5938f75742b793868638e693a9a8c8dc686dfc46 100644
--- a/content/browser/media/media_keys_listener_manager_impl.cc
+++ b/content/browser/media/media_keys_listener_manager_impl.cc
@@ -290,6 +290,11 @@ void MediaKeysListenerManagerImpl::UpdateSystemMediaControlsEnabledControls() {
       case ui::VKEY_MEDIA_STOP:
         system_media_controls_->SetIsStopEnabled(should_enable);
         break;
+      case ui::VKEY_VOLUME_DOWN:
+      case ui::VKEY_VOLUME_UP:
+      case ui::VKEY_VOLUME_MUTE:
+        // Do nothing.
+        break;
       default:
         NOTREACHED();
     }
diff --git a/ui/base/accelerators/media_keys_listener.cc b/ui/base/accelerators/media_keys_listener.cc
index 1145e1f3d79482b5bb468c3128431ac674310e5f..e9f595045e0c076e0735f27dfc38bfbc7951d372 100644
--- a/ui/base/accelerators/media_keys_listener.cc
+++ b/ui/base/accelerators/media_keys_listener.cc
@@ -13,7 +13,8 @@ MediaKeysListener::~MediaKeysListener() = default;
 // static
 bool MediaKeysListener::IsMediaKeycode(KeyboardCode key_code) {
   return key_code == VKEY_MEDIA_PLAY_PAUSE || key_code == VKEY_MEDIA_STOP ||
-         key_code == VKEY_MEDIA_PREV_TRACK || key_code == VKEY_MEDIA_NEXT_TRACK;
+         key_code == VKEY_MEDIA_PREV_TRACK || key_code == VKEY_MEDIA_NEXT_TRACK ||
+         key_code == VKEY_VOLUME_UP || key_code == VKEY_VOLUME_DOWN || key_code == VKEY_VOLUME_MUTE;
 }
 
 }  // namespace ui
diff --git a/ui/base/accelerators/media_keys_listener_mac.mm b/ui/base/accelerators/media_keys_listener_mac.mm
index 60f7ad6ffb28fa6554e02a7e031408f4d1124d86..0e8325e993178443d926249c427957bb16991861 100644
--- a/ui/base/accelerators/media_keys_listener_mac.mm
+++ b/ui/base/accelerators/media_keys_listener_mac.mm
@@ -32,6 +32,12 @@ KeyboardCode MediaKeyCodeToKeyboardCode(int key_code) {
     case NX_KEYTYPE_NEXT:
     case NX_KEYTYPE_FAST:
       return VKEY_MEDIA_NEXT_TRACK;
+    case NX_KEYTYPE_SOUND_UP:
+      return VKEY_VOLUME_UP;
+    case NX_KEYTYPE_SOUND_DOWN:
+      return VKEY_VOLUME_DOWN;
+    case NX_KEYTYPE_MUTE:
+      return VKEY_VOLUME_MUTE;
   }
   return VKEY_UNKNOWN;
 }
@@ -191,7 +197,10 @@ static CGEventRef EventTapCallback(CGEventTapProxy proxy,
   int key_code = (data1 & 0xFFFF0000) >> 16;
   if (key_code != NX_KEYTYPE_PLAY && key_code != NX_KEYTYPE_NEXT &&
       key_code != NX_KEYTYPE_PREVIOUS && key_code != NX_KEYTYPE_FAST &&
-      key_code != NX_KEYTYPE_REWIND) {
+      key_code != NX_KEYTYPE_REWIND &&
+      key_code != NX_KEYTYPE_SOUND_UP &&
+      key_code != NX_KEYTYPE_SOUND_DOWN &&
+      key_code != NX_KEYTYPE_MUTE) {
     return event;
   }