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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ui/views/window/client_view.h"
      6 
      7 #include "base/logging.h"
      8 #include "ui/base/accessibility/accessible_view_state.h"
      9 #include "ui/base/hit_test.h"
     10 #include "ui/views/widget/widget.h"
     11 #include "ui/views/widget/widget_delegate.h"
     12 
     13 namespace views {
     14 
     15 // static
     16 const char ClientView::kViewClassName[] =
     17     "ui/views/window/ClientView";
     18 
     19 ///////////////////////////////////////////////////////////////////////////////
     20 // ClientView, public:
     21 
     22 ClientView::ClientView(Widget* widget, View* contents_view)
     23     : contents_view_(contents_view) {
     24 }
     25 
     26 int ClientView::NonClientHitTest(const gfx::Point& point) {
     27   return bounds().Contains(point) ? HTCLIENT : HTNOWHERE;
     28 }
     29 
     30 DialogClientView* ClientView::AsDialogClientView() {
     31   return NULL;
     32 }
     33 
     34 const DialogClientView* ClientView::AsDialogClientView() const {
     35   return NULL;
     36 }
     37 
     38 bool ClientView::CanClose() {
     39   return true;
     40 }
     41 
     42 void ClientView::WidgetClosing() {
     43 }
     44 
     45 ///////////////////////////////////////////////////////////////////////////////
     46 // ClientView, View overrides:
     47 
     48 gfx::Size ClientView::GetPreferredSize() {
     49   // |contents_view_| is allowed to be NULL up until the point where this view
     50   // is attached to a Container.
     51   return contents_view_ ? contents_view_->GetPreferredSize() : gfx::Size();
     52 }
     53 
     54 gfx::Size ClientView::GetMaximumSize() {
     55   // |contents_view_| is allowed to be NULL up until the point where this view
     56   // is attached to a Container.
     57   return contents_view_ ? contents_view_->GetMaximumSize() : gfx::Size();
     58 }
     59 
     60 gfx::Size ClientView::GetMinimumSize() {
     61   // |contents_view_| is allowed to be NULL up until the point where this view
     62   // is attached to a Container.
     63   return contents_view_ ? contents_view_->GetMinimumSize() : gfx::Size();
     64 }
     65 
     66 void ClientView::Layout() {
     67   // |contents_view_| is allowed to be NULL up until the point where this view
     68   // is attached to a Container.
     69   if (contents_view_)
     70     contents_view_->SetBounds(0, 0, width(), height());
     71 }
     72 
     73 const char* ClientView::GetClassName() const {
     74   return kViewClassName;
     75 }
     76 
     77 void ClientView::GetAccessibleState(ui::AccessibleViewState* state) {
     78   state->role = ui::AccessibilityTypes::ROLE_CLIENT;
     79 }
     80 
     81 void ClientView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
     82   // Overridden to do nothing. The NonClientView manually calls Layout on the
     83   // ClientView when it is itself laid out, see comment in
     84   // NonClientView::Layout.
     85 }
     86 
     87 void ClientView::ViewHierarchyChanged(
     88     const ViewHierarchyChangedDetails& details) {
     89   if (details.is_add && details.child == this) {
     90     DCHECK(GetWidget());
     91     DCHECK(contents_view_); // |contents_view_| must be valid now!
     92     // Insert |contents_view_| at index 0 so it is first in the focus chain.
     93     // (the OK/Cancel buttons are inserted before contents_view_)
     94     AddChildViewAt(contents_view_, 0);
     95   }
     96 }
     97 
     98 }  // namespace views
     99