Implement large cursors in Mushrome.

ui/wm/core/cursor_manager.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/wm/core/cursor_manager.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "ui/aura/client/cursor_client_observer.h"
 #include "ui/wm/core/native_cursor_manager.h"
 #include "ui/wm/core/native_cursor_manager_delegate.h"
 
 namespace wm {
 
 namespace internal {
 
 // Represents the cursor state which is composed of cursor type, visibility, and
 // mouse events enable state. When mouse events are disabled, the cursor is
 // always invisible.
 class CursorState {
  public:
   CursorState()
       : cursor_(ui::CursorType::kNone),
         visible_(true),
-        cursor_set_(ui::CURSOR_SET_NORMAL),
+        cursor_size_(ui::CursorSize::kNormal),
         mouse_events_enabled_(true),
         visible_on_mouse_events_enabled_(true) {}
 
   gfx::NativeCursor cursor() const { return cursor_; }
   void set_cursor(gfx::NativeCursor cursor) { cursor_ = cursor; }
 
   bool visible() const { return visible_; }
   void SetVisible(bool visible) {
     if (mouse_events_enabled_)
       visible_ = visible;
     // Ignores the call when mouse events disabled.
   }
 
-  ui::CursorSetType cursor_set() const { return cursor_set_; }
-  void set_cursor_set(ui::CursorSetType cursor_set) {
-    cursor_set_ = cursor_set;
+  ui::CursorSize cursor_size() const { return cursor_size_; }
+  void set_cursor_size(ui::CursorSize cursor_size) {
+    cursor_size_ = cursor_size;
   }
 
   bool mouse_events_enabled() const { return mouse_events_enabled_; }
   void SetMouseEventsEnabled(bool enabled) {
     if (mouse_events_enabled_ == enabled)
       return;
     mouse_events_enabled_ = enabled;
 
     // Restores the visibility when mouse events are enabled.
     if (enabled) {
       visible_ = visible_on_mouse_events_enabled_;
     } else {
       visible_on_mouse_events_enabled_ = visible_;
       visible_ = false;
     }
   }
 
  private:
   gfx::NativeCursor cursor_;
   bool visible_;
-  ui::CursorSetType cursor_set_;
+  ui::CursorSize cursor_size_;
   bool mouse_events_enabled_;
 
   // The visibility to set when mouse events are enabled.
   bool visible_on_mouse_events_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorState);
 };
 
 }  // namespace internal
 
@@ skipping 47 matching lines @@
     delegate_->SetVisibility(state_on_unlock_->visible(), this);
     for (auto& observer : observers_)
       observer.OnCursorVisibilityChanged(false);
   }
 }
 
 bool CursorManager::IsCursorVisible() const {
   return current_state_->visible();
 }
 
-void CursorManager::SetCursorSet(ui::CursorSetType cursor_set) {
-  state_on_unlock_->set_cursor_set(cursor_set);
-  if (GetCursorSet() != state_on_unlock_->cursor_set()) {
-    delegate_->SetCursorSet(state_on_unlock_->cursor_set(), this);
+void CursorManager::SetCursorSize(ui::CursorSize cursor_size) {
+  state_on_unlock_->set_cursor_size(cursor_size);
+  if (GetCursorSize() != state_on_unlock_->cursor_size()) {
+    delegate_->SetCursorSize(state_on_unlock_->cursor_size(), this);
     for (auto& observer : observers_)
-      observer.OnCursorSetChanged(cursor_set);
+      observer.OnCursorSizeChanged(cursor_size);
   }
 }
 
-ui::CursorSetType CursorManager::GetCursorSet() const {
-  return current_state_->cursor_set();
+ui::CursorSize CursorManager::GetCursorSize() const {
+  return current_state_->cursor_size();
 }
 
 void CursorManager::EnableMouseEvents() {
   state_on_unlock_->SetMouseEventsEnabled(true);
   if (cursor_lock_count_ == 0 &&
       IsMouseEventsEnabled() != state_on_unlock_->mouse_events_enabled()) {
     delegate_->SetMouseEventsEnabled(state_on_unlock_->mouse_events_enabled(),
                                      this);
   }
 }
@@ skipping 70 matching lines @@
 }
 
 void CursorManager::CommitVisibility(bool visible) {
   // TODO(tdanderson): Find a better place for this so we don't
   // notify the observers more than is necessary.
   for (auto& observer : observers_)
     observer.OnCursorVisibilityChanged(visible);
   current_state_->SetVisible(visible);
 }
 
-void CursorManager::CommitCursorSet(ui::CursorSetType cursor_set) {
-  current_state_->set_cursor_set(cursor_set);
+void CursorManager::CommitCursorSize(ui::CursorSize cursor_size) {
+  current_state_->set_cursor_size(cursor_size);
 }
 
 void CursorManager::CommitMouseEventsEnabled(bool enabled) {
   current_state_->SetMouseEventsEnabled(enabled);
 }
 
 }  // namespace wm