Preliminary work to allow Chrome to build with USE_AURA

chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 29 matching lines @@
 // TODO(stevet): Share this with CompactLocationBarView. This is the actual
 // height, without the overlap added.
 const int kCompactNavbarSpacerHeight = 4;
 const int kBookmarkBarLocationBarOverlap = 2;
 const int kSpacerLocationbarOverlap = 1;
 
 }  // namespace
 
 // An mouse event observer to detect a mouse click on
 // BrowserView's content area and hide the location bar.
-class MouseObserver : public MessageLoopForUI::Observer {
+class MouseObserver
+#if !defined(USE_AURA)
+    : public MessageLoopForUI::Observer
+#endif
+    {
  public:
   MouseObserver(CompactLocationBarViewHost* host, BrowserView* view);
   ~MouseObserver();
 
   // MessageLoopForUI::Observer overrides.
+#if !defined(USE_AURA)
 #if defined(OS_WIN)
   virtual void WillProcessMessage(const MSG& native_event) OVERRIDE;
   virtual void DidProcessMessage(const MSG& native_event) OVERRIDE;
 #elif defined(OS_LINUX)
   virtual void WillProcessEvent(GdkEvent* native_event) OVERRIDE;
   virtual void DidProcessEvent(GdkEvent* native_event) OVERRIDE;
 #endif
+#endif
 
   void Observe(MessageLoopForUI* loop);
   void StopObserving(MessageLoopForUI* loop);
 
  private:
   // TODO(mad): would be nice to have this on the views::Event class.
   bool IsMouseEvent(const views::NativeEvent& native_event);
 
   bool IsSameTopLevelWindow(views::NativeEvent native_event);
 
@@ skipping 20 matching lines @@
   DCHECK(host_);
   DCHECK(browser_view_);
   DCHECK(browser_view_->GetWidget());
   top_level_window_ = browser_view_->GetWidget()->GetNativeView();
 }
 
 MouseObserver::~MouseObserver() {
   StopObserving(MessageLoopForUI::current());
 }
 
+#if !defined(USE_AURA)
 #if defined(OS_WIN)
 void MouseObserver::WillProcessMessage(const MSG& native_event) {}
 void MouseObserver::DidProcessMessage(const MSG& native_event) {
 #elif defined(OS_LINUX)
 void MouseObserver::WillProcessEvent(GdkEvent* native_event) {}
 void MouseObserver::DidProcessEvent(GdkEvent* native_event) {
 #endif
   // Hide the location bar iff the mouse is pressed on the
   // BrowserView's content area.
   if (!IsMouseEvent(native_event))
     return;
   views::MouseEvent event(native_event);
   if (event.type() == ui::ET_MOUSE_PRESSED &&
       IsSameTopLevelWindow(native_event) &&
       HitContentArea(event.x(), event.y())) {
     host_->Hide(true);
   }
 }
+#endif
 
 void MouseObserver::Observe(MessageLoopForUI* loop) {
+#if !defined(USE_AURA)
   if (!observing_) {
     loop->AddObserver(this);
     observing_ = true;
   }
+#endif
 }
 
 void MouseObserver::StopObserving(MessageLoopForUI* loop) {
+#if !defined(USE_AURA)
   if (observing_) {
     loop->RemoveObserver(this);
     observing_ = false;
   }
+#endif
 }
 
 bool MouseObserver::IsMouseEvent(const views::NativeEvent& native_event) {
 #if defined(OS_WIN)
   return views::IsClientMouseEvent(native_event) ||
          views::IsNonClientMouseEvent(native_event);
 #elif defined(OS_LINUX)
   return native_event->type == GDK_MOTION_NOTIFY ||
          native_event->type == GDK_BUTTON_PRESS ||
          native_event->type == GDK_2BUTTON_PRESS ||
          native_event->type == GDK_3BUTTON_PRESS ||
          native_event->type == GDK_BUTTON_RELEASE;
 #endif
 }
 
 // TODO(mad): Would be nice to have a NativeEvent -> NativeWindow mapping.
 // Then, with a GetTopLevel receiving a NativeWindow, we could do this in a
 // platform independent way.
 bool MouseObserver::IsSameTopLevelWindow(views::NativeEvent native_event) {
-#if defined(OS_WIN)
+#if defined(USE_AURA)
+  // TODO(beng):
+  NOTIMPLEMENTED();
+  return false;
+#elif defined(OS_WIN)
   return platform_util::GetTopLevel(native_event.hwnd) == top_level_window_;
 #elif defined(OS_LINUX)
   return gdk_window_get_toplevel(
       reinterpret_cast<GdkEventAny*>(native_event)->window) ==
       top_level_window_->window;
 #endif
 }
 
 bool MouseObserver::HitContentArea(int x, int y) {
   gfx::Point p(x, y);
@@ skipping 364 matching lines @@
 bool CompactLocationBarViewHost::IsCurrentTabIndex(int index) {
   return current_tab_model_index_ == index;
 }
 
 bool CompactLocationBarViewHost::IsCurrentTab(TabContents* contents) {
   TabStripModel* tab_strip_model = browser_view()->browser()->tabstrip_model();
   return tab_strip_model->ContainsIndex(current_tab_model_index_) &&
       tab_strip_model->GetTabContentsAt(current_tab_model_index_)->
           tab_contents() == contents;
 }