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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 "chrome/browser/ui/webui/constrained_web_dialog_delegate_base.h"
      6 
      7 #include <string>
      8 
      9 #include "chrome/browser/profiles/profile.h"
     10 #include "chrome/browser/renderer_preferences_util.h"
     11 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
     12 #include "content/public/browser/render_view_host.h"
     13 #include "content/public/browser/web_contents.h"
     14 #include "ipc/ipc_message.h"
     15 #include "ui/web_dialogs/web_dialog_delegate.h"
     16 #include "ui/web_dialogs/web_dialog_ui.h"
     17 
     18 using content::NativeWebKeyboardEvent;
     19 using content::WebContents;
     20 using ui::WebDialogDelegate;
     21 using ui::WebDialogWebContentsDelegate;
     22 
     23 ConstrainedWebDialogDelegateBase::ConstrainedWebDialogDelegateBase(
     24     content::BrowserContext* browser_context,
     25     WebDialogDelegate* delegate,
     26     WebDialogWebContentsDelegate* tab_delegate)
     27     : WebDialogWebContentsDelegate(browser_context,
     28                                    new ChromeWebContentsHandler),
     29       web_dialog_delegate_(delegate),
     30       closed_via_webui_(false),
     31       release_contents_on_close_(false) {
     32   CHECK(delegate);
     33   web_contents_.reset(
     34       WebContents::Create(WebContents::CreateParams(browser_context)));
     35   if (tab_delegate) {
     36     override_tab_delegate_.reset(tab_delegate);
     37     web_contents_->SetDelegate(tab_delegate);
     38   } else {
     39     web_contents_->SetDelegate(this);
     40   }
     41   renderer_preferences_util::UpdateFromSystemSettings(
     42       web_contents_->GetMutableRendererPrefs(),
     43       Profile::FromBrowserContext(browser_context));
     44   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
     45 
     46   // Set |this| as a delegate so the ConstrainedWebDialogUI can retrieve it.
     47   ConstrainedWebDialogUI::SetConstrainedDelegate(web_contents_.get(), this);
     48 
     49   web_contents_->GetController().LoadURL(delegate->GetDialogContentURL(),
     50                                          content::Referrer(),
     51                                          ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
     52                                          std::string());
     53 }
     54 
     55 ConstrainedWebDialogDelegateBase::~ConstrainedWebDialogDelegateBase() {
     56   if (release_contents_on_close_)
     57     ignore_result(web_contents_.release());
     58 }
     59 
     60 const WebDialogDelegate*
     61     ConstrainedWebDialogDelegateBase::GetWebDialogDelegate() const {
     62   return web_dialog_delegate_.get();
     63 }
     64 
     65 WebDialogDelegate*
     66     ConstrainedWebDialogDelegateBase::GetWebDialogDelegate() {
     67   return web_dialog_delegate_.get();
     68 }
     69 
     70 void ConstrainedWebDialogDelegateBase::OnDialogCloseFromWebUI() {
     71   closed_via_webui_ = true;
     72   CloseContents(web_contents_.get());
     73 }
     74 
     75 bool ConstrainedWebDialogDelegateBase::closed_via_webui() const {
     76   return closed_via_webui_;
     77 }
     78 
     79 void ConstrainedWebDialogDelegateBase::ReleaseWebContentsOnDialogClose() {
     80   release_contents_on_close_ = true;
     81 }
     82 
     83 web_modal::NativeWebContentsModalDialog
     84     ConstrainedWebDialogDelegateBase::GetNativeDialog() {
     85   NOTREACHED();
     86   return NULL;
     87 }
     88 
     89 WebContents* ConstrainedWebDialogDelegateBase::GetWebContents() {
     90   return web_contents_.get();
     91 }
     92 
     93 void ConstrainedWebDialogDelegateBase::HandleKeyboardEvent(
     94     content::WebContents* source,
     95     const NativeWebKeyboardEvent& event) {
     96 }
     97