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      1 // Copyright (c) 2011 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 "chrome/browser/ui/views/dom_view.h"
      6 
      7 #include "content/browser/tab_contents/tab_contents.h"
      8 #include "views/focus/focus_manager.h"
      9 
     10 #if defined(TOUCH_UI)
     11 #include "chrome/browser/ui/views/tab_contents/tab_contents_view_touch.h"
     12 #endif
     13 
     14 DOMView::DOMView() : tab_contents_(NULL), initialized_(false) {
     15   SetFocusable(true);
     16 }
     17 
     18 DOMView::~DOMView() {
     19   if (native_view())
     20     Detach();
     21 }
     22 
     23 bool DOMView::Init(Profile* profile, SiteInstance* instance) {
     24   if (initialized_)
     25     return true;
     26 
     27   initialized_ = true;
     28   tab_contents_.reset(CreateTabContents(profile, instance));
     29   // Attach the native_view now if the view is already added to Widget.
     30   if (GetWidget())
     31     AttachTabContents();
     32 
     33   return true;
     34 }
     35 
     36 TabContents* DOMView::CreateTabContents(Profile* profile,
     37                                         SiteInstance* instance) {
     38   return new TabContents(profile, instance, MSG_ROUTING_NONE, NULL, NULL);
     39 }
     40 
     41 void DOMView::LoadURL(const GURL& url) {
     42   DCHECK(initialized_);
     43   tab_contents_->controller().LoadURL(url, GURL(), PageTransition::START_PAGE);
     44 }
     45 
     46 bool DOMView::SkipDefaultKeyEventProcessing(const views::KeyEvent& e) {
     47   // Don't move the focus to the next view when tab is pressed, we want the
     48   // key event to be propagated to the render view for doing the tab traversal
     49   // there.
     50   return views::FocusManager::IsTabTraversalKeyEvent(e);
     51 }
     52 
     53 void DOMView::OnFocus() {
     54   tab_contents_->Focus();
     55 }
     56 
     57 void DOMView::ViewHierarchyChanged(bool is_add, views::View* parent,
     58                                    views::View* child) {
     59   // Attach the native_view when this is added to Widget if
     60   // the native view has not been attached yet and tab_contents_ exists.
     61   views::NativeViewHost::ViewHierarchyChanged(is_add, parent, child);
     62   if (is_add && GetWidget() && !native_view() && tab_contents_.get())
     63     AttachTabContents();
     64   else if (!is_add && child == this && native_view())
     65     Detach();
     66 }
     67 
     68 void DOMView::AttachTabContents() {
     69 #if defined(TOUCH_UI)
     70   AttachToView(static_cast<TabContentsViewTouch*>(tab_contents_->view()));
     71 #else
     72   Attach(tab_contents_->GetNativeView());
     73 #endif
     74 }
     75