ui/views/window/client_view.cc

   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/accessibility/ax_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() const {
  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() const {
  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() const {
  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::AXViewState* state) {
  78   state->role = ui::AX_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