ash: First pass of Applist v2.

- Add an "enable-applist-v2" command line switch and an about flag to trigger v2;
- Add paging support to AppListModelView;
- Add page switcher buttons for v2 UI;
- Add AppListBubbleBorder to paint bubble for v2 UI;

BUG=125964, 125044
TEST=Issue 125964 is not ready for test yet. For issue 125044, user can now gets overflown apps via keyboard.

Review URL: https://chromiumcodereview.appspot.com/10381018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@135729 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 20 insertions, 1 deletions

diff --git a/ash/launcher/launcher.cc b/ash/launcher/launcher.cc
index 4ee1205..f97c190 100644
--- a/ash/launcher/launcher.cc
+++ b/ash/launcher/launcher.cc
@@ -198,6 +198,10 @@ bool Launcher::IsShowingMenu() const {
   return launcher_view_->IsShowingMenu();
 }
 
+views::View* Launcher::GetAppListButtonView() const {
+  return launcher_view_->GetAppListButtonView();
+}
+
 internal::LauncherView* Launcher::GetLauncherViewForTest() {
   return launcher_view_;
 }
diff --git a/ash/launcher/launcher.h b/ash/launcher/launcher.h
index 7955b07..e244d4c 100644
--- a/ash/launcher/launcher.h
+++ b/ash/launcher/launcher.h
@@ -6,10 +6,10 @@
 #define ASH_LAUNCHER_LAUNCHER_H_
 #pragma once
 
+#include "ash/ash_export.h"
 #include "ash/launcher/background_animator.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-#include "ash/ash_export.h"
 
 namespace aura {
 class Window;
@@ -20,6 +20,7 @@ class Rect;
 }
 
 namespace views {
+class View;
 class Widget;
 }
 
@@ -63,6 +64,8 @@ class ASH_EXPORT Launcher : public internal::BackgroundAnimatorDelegate {
   // Returns true if the Launcher is showing a context menu.
   bool IsShowingMenu() const;
 
+  views::View* GetAppListButtonView() const;
+
   // Only to be called for testing. Retrieves the LauncherView.
   // TODO(sky): remove this!
   internal::LauncherView* GetLauncherViewForTest();
diff --git a/ash/launcher/launcher_view.cc b/ash/launcher/launcher_view.cc
index d254203..2f2ba3f 100644
--- a/ash/launcher/launcher_view.cc
+++ b/ash/launcher/launcher_view.cc
@@ -317,6 +317,16 @@ bool LauncherView::IsShowingMenu() const {
   return false;
 }
 
+views::View* LauncherView::GetAppListButtonView() const {
+  for (int i = 0; i < model_->item_count(); ++i) {
+    if (model_->items()[i].type == TYPE_APP_LIST)
+      return view_model_->view_at(i);
+  }
+
+  NOTREACHED() << "Applist button not found";
+  return NULL;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // LauncherView, FocusTraversable implementation:
 
diff --git a/ash/launcher/launcher_view.h b/ash/launcher/launcher_view.h
index fef3920..64b241d 100644
--- a/ash/launcher/launcher_view.h
+++ b/ash/launcher/launcher_view.h
@@ -61,6 +61,8 @@ class ASH_EXPORT LauncherView : public views::View,
   // Returns true if we're showing a menu.
   bool IsShowingMenu() const;
 
+  views::View* GetAppListButtonView() const;
+
   // Overridden from FocusTraversable:
   virtual views::FocusSearch* GetFocusSearch() OVERRIDE;
   virtual FocusTraversable* GetFocusTraversableParent() OVERRIDE;