Refactor HandleWindowCycleLinear code in AcceleratorController:

- Introduce launcher/launcher_navigator files for this code
- Add tests for the logic of launcher_navigator

BUG=119424
TEST=aura_shell_unittests passed

Review URL: https://chromiumcodereview.appspot.com/10377064

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@136215 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/ash/launcher/launcher.cc b/ash/launcher/launcher.cc
index f97c190..1376498 100644
--- a/ash/launcher/launcher.cc
+++ b/ash/launcher/launcher.cc
@@ -7,6 +7,7 @@
 #include "ash/focus_cycler.h"
 #include "ash/launcher/launcher_delegate.h"
 #include "ash/launcher/launcher_model.h"
+#include "ash/launcher/launcher_navigator.h"
 #include "ash/launcher/launcher_view.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
@@ -186,6 +187,18 @@ gfx::Rect Launcher::GetScreenBoundsOfItemIconForWindow(aura::Window* window) {
                    bounds.height());
 }
 
+void Launcher::ActivateLauncherItem(int index) {
+  DCHECK(delegate_.get());
+  const ash::LauncherItems& items = model_->items();
+  delegate_->ItemClicked(items[index], ui::EF_NONE);
+}
+
+void Launcher::CycleWindowLinear(CycleDirection direction) {
+  int item_index = GetNextActivatedItemIndex(*model(), direction);
+  if (item_index >= 0)
+    ActivateLauncherItem(item_index);
+}
+
 void Launcher::AddIconObserver(LauncherIconObserver* observer) {
   launcher_view_->AddIconObserver(observer);
 }