ui/views/controls/native/native_view_host_aura.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/controls/native/native_view_host_aura.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/aura/client/focus_client.h"
   9 #include "ui/aura/window.h"
  10 #include "ui/base/cursor/cursor.h"
  11 #include "ui/views/controls/native/native_view_host.h"
  12 #include "ui/views/view_constants_aura.h"
  13 #include "ui/views/widget/widget.h"
  14
  15 namespace views {
  16
  17 NativeViewHostAura::NativeViewHostAura(NativeViewHost* host)
  18     : host_(host),
  19       installed_clip_(false) {
  20 }
  21
  22 NativeViewHostAura::~NativeViewHostAura() {
  23   if (host_->native_view()) {
  24     host_->native_view()->ClearProperty(views::kHostViewKey);
  25     host_->native_view()->RemoveObserver(this);
  26   }
  27 }
  28
  29 ////////////////////////////////////////////////////////////////////////////////
  30 // NativeViewHostAura, NativeViewHostWrapper implementation:
  31 void NativeViewHostAura::NativeViewWillAttach() {
  32   host_->native_view()->AddObserver(this);
  33   host_->native_view()->SetProperty(views::kHostViewKey,
  34       static_cast<View*>(host_));
  35 }
  36
  37 void NativeViewHostAura::NativeViewDetaching(bool destroyed) {
  38   if (!destroyed) {
  39     host_->native_view()->ClearProperty(views::kHostViewKey);
  40     host_->native_view()->RemoveObserver(this);
  41     host_->native_view()->Hide();
  42     if (host_->native_view()->parent())
  43       Widget::ReparentNativeView(host_->native_view(), NULL);
  44   }
  45 }
  46
  47 void NativeViewHostAura::AddedToWidget() {
  48   if (!host_->native_view())
  49     return;
  50
  51   aura::Window* widget_window = host_->GetWidget()->GetNativeView();
  52   if (host_->native_view()->parent() != widget_window)
  53     widget_window->AddChild(host_->native_view());
  54   if (host_->IsDrawn())
  55     host_->native_view()->Show();
  56   else
  57     host_->native_view()->Hide();
  58   host_->Layout();
  59 }
  60
  61 void NativeViewHostAura::RemovedFromWidget() {
  62   if (host_->native_view()) {
  63     host_->native_view()->Hide();
  64     if (host_->native_view()->parent())
  65       host_->native_view()->parent()->RemoveChild(host_->native_view());
  66   }
  67 }
  68
  69 void NativeViewHostAura::InstallClip(int x, int y, int w, int h) {
  70   // Note that this does not pose a problem functionality wise - it might
  71   // however pose a speed degradation if not implemented.
  72   LOG(WARNING) << "NativeViewHostAura::InstallClip is not implemented yet.";
  73 }
  74
  75 bool NativeViewHostAura::HasInstalledClip() {
  76   return installed_clip_;
  77 }
  78
  79 void NativeViewHostAura::UninstallClip() {
  80   installed_clip_ = false;
  81 }
  82
  83 void NativeViewHostAura::ShowWidget(int x, int y, int w, int h) {
  84   // TODO: need to support fast resize.
  85   host_->native_view()->SetBounds(gfx::Rect(x, y, w, h));
  86   host_->native_view()->Show();
  87 }
  88
  89 void NativeViewHostAura::HideWidget() {
  90   host_->native_view()->Hide();
  91 }
  92
  93 void NativeViewHostAura::SetFocus() {
  94   aura::Window* window = host_->native_view();
  95   aura::client::FocusClient* client = aura::client::GetFocusClient(window);
  96   if (client)
  97     client->FocusWindow(window);
  98 }
  99
 100 gfx::NativeViewAccessible NativeViewHostAura::GetNativeViewAccessible() {
 101   return NULL;
 102 }
 103
 104 gfx::NativeCursor NativeViewHostAura::GetCursor(int x, int y) {
 105   if (host_->native_view())
 106     return host_->native_view()->GetCursor(gfx::Point(x, y));
 107   return gfx::kNullCursor;
 108 }
 109
 110 void NativeViewHostAura::OnWindowDestroyed(aura::Window* window) {
 111   DCHECK(window == host_->native_view());
 112   host_->NativeViewDestroyed();
 113 }
 114
 115 // static
 116 NativeViewHostWrapper* NativeViewHostWrapper::CreateWrapper(
 117     NativeViewHost* host) {
 118   return new NativeViewHostAura(host);
 119 }
 120
 121 }  // namespace views