Merge lp:~azzar1/unity/whitelist-repated-keys-sru into lp:unity/7.4

[Andrea Azzarone]

Add whitelist for auto-repated keys.

Add whitelist for auto-repated keys.

[Marco Trevisan (Treviño) (3v1n0)]

I've already backported this, so I can reject this MP.

review: Disapprove

=== modified file 'com.canonical.Unity.gschema.xml'
--- com.canonical.Unity.gschema.xml	2016-03-18 01:47:08 +0000
+++ com.canonical.Unity.gschema.xml	2016-05-30 18:07:12 +0000
@@ -81,6 +81,18 @@
         integrated menus are enabled), otherwise they will be shown only when
         the mouse cursor is over the relative mouse area.</description>
     </key>
+    <key type="as" name="whitelist-repeated-keys">
+      <default>[
+        'XF86KbdBrightnessDown',
+        'XF86KbdBrightnessUp',
+        'XF86MonBrightnessUp',
+        'XF86MonBrightnessDown',
+        'XF86AudioRaiseVolume',
+        'XF86AudioLowerVolume'
+        ]</default>
+      <summary>List of keycodes that should be processed even if auto-repated.</summary>
+      <description>These keycodes are processed even if they are auto-repeated.</description>
+    </key>
   </schema>
   <schema path="/com/canonical/unity/interface/" id="com.canonical.Unity.Interface" gettext-domain="unity">
     <key type="d" name="text-scale-factor">

=== modified file 'unity-shared/GnomeKeyGrabber.cpp'
--- unity-shared/GnomeKeyGrabber.cpp	2016-05-30 18:07:12 +0000
+++ unity-shared/GnomeKeyGrabber.cpp	2016-05-30 18:07:12 +0000
@@ -59,6 +59,12 @@
 </node>)";
 }
 
+namespace
+{
+const std::string SETTINGS_NAME = "com.canonical.Unity";
+const std::string WHITELIST_KEY = "whitelist-repeated-keys";
+}
+
 namespace testing
 {
 std::string const DBUS_NAME = "com.canonical.Unity.Test.GnomeKeyGrabber";
@@ -67,11 +73,18 @@
 GnomeGrabber::Impl::Impl(bool test_mode)
   : screen_(screen)
   , shell_server_(test_mode ? testing::DBUS_NAME : shell::DBUS_NAME)
+  , settings_(g_settings_new(SETTINGS_NAME.c_str()))
   , current_action_id_(0)
 {
   shell_server_.AddObjects(shell::INTROSPECTION_XML, shell::DBUS_OBJECT_PATH);
   shell_object_ = shell_server_.GetObject(shell::DBUS_INTERFACE);
   shell_object_->SetMethodsCallsHandlerFull(sigc::mem_fun(this, &Impl::OnShellMethodCall));
+
+  whitelist_changed_signal_.Connect(settings_, "changed::" + WHITELIST_KEY, [this] (GSettings*, gchar*) {
+    UpdateWhitelist();
+  });
+
+  UpdateWhitelist();
 }
 
 GnomeGrabber::Impl::~Impl()
@@ -232,7 +245,8 @@
   {
     action.setState(CompAction::StateInitKey);
     action.setInitiate([this, action_id](CompAction* action, CompAction::State state, CompOption::Vector& options) {
-      if (!CompOption::getBoolOptionNamed(options, "is_repeated"))
+      bool is_whitelisted = std::find(whitelist_.begin(), whitelist_.end(), action->keyToString()) != whitelist_.end();
+      if (is_whitelisted || !CompOption::getBoolOptionNamed(options, "is_repeated"))
       {
         LOG_DEBUG(logger) << "pressed \"" << action->keyToString() << "\"";
         ActivateDBusAction(*action, action_id, 0, CompOption::getIntOptionNamed(options, "time"));
@@ -326,6 +340,16 @@
   return keycode == 0 || modHandler->keycodeToModifiers(keycode) != 0;
 }
 
+void GnomeGrabber::Impl::UpdateWhitelist()
+{
+  std::shared_ptr<gchar*> whitelist(g_settings_get_strv(settings_, WHITELIST_KEY.c_str()), g_strfreev);
+  auto whitelist_raw = whitelist.get();
+
+  whitelist_.clear();
+  for (int i = 0; whitelist_raw[i]; ++i)
+    whitelist_.push_back(whitelist_raw[i]);
+}
+
 // Public implementation
 
 GnomeGrabber::GnomeGrabber()

=== modified file 'unity-shared/GnomeKeyGrabberImpl.h'
--- unity-shared/GnomeKeyGrabberImpl.h	2015-12-13 10:35:58 +0000
+++ unity-shared/GnomeKeyGrabberImpl.h	2016-05-30 18:07:12 +0000
@@ -28,6 +28,7 @@
 #include <UnityCore/GLibDBusProxy.h>
 #include <UnityCore/GLibDBusServer.h>
 #include <UnityCore/GLibDBusNameWatcher.h>
+#include <UnityCore/GLibSignal.h>
 
 namespace unity
 {
@@ -55,11 +56,17 @@
 
   bool IsActionPostponed(CompAction const& action) const;
 
+  void UpdateWhitelist();
+
   CompScreen* screen_;
 
   glib::DBusServer shell_server_;
   glib::DBusObject::Ptr shell_object_;
 
+  glib::Object<GSettings> settings_;
+  glib::Signal<void, GSettings*, gchar*> whitelist_changed_signal_;
+  std::list<std::string> whitelist_;
+
   uint32_t current_action_id_;
   std::vector<uint32_t> actions_ids_;
   std::vector<uint32_t> actions_customers_;