MacViews: Implement Tooltips

ui/views/cocoa/bridged_native_widget.mm

 // Copyright 2014 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.
 
 #import "ui/views/cocoa/bridged_native_widget.h"
 
 #import <objc/runtime.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "base/thread_task_runner_handle.h"
 #include "ui/base/ime/input_method.h"
 #include "ui/base/ime/input_method_factory.h"
 #include "ui/base/ui_base_switches_util.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/geometry/dip_util.h"
 #import "ui/gfx/mac/coordinate_conversion.h"
 #import "ui/gfx/mac/nswindow_frame_controls.h"
 #include "ui/gfx/screen.h"
 #import "ui/views/cocoa/cocoa_mouse_capture.h"
 #import "ui/views/cocoa/bridged_content_view.h"
+#include "ui/views/cocoa/tooltip_manager_mac.h"
 #import "ui/views/cocoa/views_nswindow_delegate.h"
 #import "ui/views/cocoa/widget_owner_nswindow_adapter.h"
 #include "ui/views/widget/native_widget_mac.h"
 #include "ui/views/ime/input_method_bridge.h"
 #include "ui/views/ime/null_input_method.h"
 #include "ui/views/view.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_aura_utils.h"
 #include "ui/views/widget/widget_delegate.h"
@@ skipping 156 matching lines @@
     // Read back the current frame: it will be a 1x1 context rect but the frame
     // size also depends on the window style.
     NSRect frame_rect = [window_ frame];
     SetBounds(gfx::Rect(gfx::Point(),
                         gfx::Size(NSWidth(frame_rect), NSHeight(frame_rect))));
   }
 
   // Widgets for UI controls (usually layered above web contents) start visible.
   if (params.type == Widget::InitParams::TYPE_CONTROL)
     SetVisibilityState(SHOW_INACTIVE);
+
+  // Tooltip Widgets shouldn't have their own tooltip manager, but tooltips are
+  // native on Mac, so nothing should ever want one in Widget form.
+  DCHECK_NE(params.type, Widget::InitParams::TYPE_TOOLTIP);
+  tooltip_manager_.reset(new TooltipManagerMac(this));
 }
 
 void BridgedNativeWidget::SetFocusManager(FocusManager* focus_manager) {
   if (focus_manager_ == focus_manager)
     return;
 
   if (focus_manager_)
     focus_manager_->RemoveFocusChangeListener(this);
 
   if (focus_manager)
@@ skipping 640 matching lines @@
       window_, &kWindowPropertiesKey);
   if (!properties) {
     properties = [NSMutableDictionary dictionary];
     objc_setAssociatedObject(window_, &kWindowPropertiesKey,
                              properties, OBJC_ASSOCIATION_RETAIN);
   }
   return properties;
 }
 
 }  // namespace views