chrome/browser/ui/webui/constrained_web_dialog_delegate_base.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 "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 "components/ui/zoom/zoom_controller.h"
  13 #include "content/public/browser/render_view_host.h"
  14 #include "content/public/browser/web_contents.h"
  15 #include "content/public/common/renderer_preferences.h"
  16 #include "ipc/ipc_message.h"
  17 #include "ui/web_dialogs/web_dialog_delegate.h"
  18 #include "ui/web_dialogs/web_dialog_ui.h"
  19
  20 using content::NativeWebKeyboardEvent;
  21 using content::WebContents;
  22 using ui::WebDialogDelegate;
  23 using ui::WebDialogWebContentsDelegate;
  24
  25 ConstrainedWebDialogDelegateBase::ConstrainedWebDialogDelegateBase(
  26     content::BrowserContext* browser_context,
  27     WebDialogDelegate* delegate,
  28     WebDialogWebContentsDelegate* tab_delegate)
  29     : WebDialogWebContentsDelegate(browser_context,
  30                                    new ChromeWebContentsHandler),
  31       web_dialog_delegate_(delegate),
  32       closed_via_webui_(false),
  33       release_contents_on_close_(false) {
  34   CHECK(delegate);
  35   web_contents_.reset(
  36       WebContents::Create(WebContents::CreateParams(browser_context)));
  37   ui_zoom::ZoomController::CreateForWebContents(web_contents_.get());
  38   if (tab_delegate) {
  39     override_tab_delegate_.reset(tab_delegate);
  40     web_contents_->SetDelegate(tab_delegate);
  41   } else {
  42     web_contents_->SetDelegate(this);
  43   }
  44   content::RendererPreferences* prefs =
  45       web_contents_->GetMutableRendererPrefs();
  46   renderer_preferences_util::UpdateFromSystemSettings(
  47       prefs, Profile::FromBrowserContext(browser_context), web_contents_.get());
  48
  49   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
  50
  51   // Set |this| as a delegate so the ConstrainedWebDialogUI can retrieve it.
  52   ConstrainedWebDialogUI::SetConstrainedDelegate(web_contents_.get(), this);
  53
  54   web_contents_->GetController().LoadURL(delegate->GetDialogContentURL(),
  55                                          content::Referrer(),
  56                                          ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
  57                                          std::string());
  58 }
  59
  60 ConstrainedWebDialogDelegateBase::~ConstrainedWebDialogDelegateBase() {
  61   if (release_contents_on_close_)
  62     ignore_result(web_contents_.release());
  63 }
  64
  65 const WebDialogDelegate*
  66     ConstrainedWebDialogDelegateBase::GetWebDialogDelegate() const {
  67   return web_dialog_delegate_.get();
  68 }
  69
  70 WebDialogDelegate*
  71     ConstrainedWebDialogDelegateBase::GetWebDialogDelegate() {
  72   return web_dialog_delegate_.get();
  73 }
  74
  75 void ConstrainedWebDialogDelegateBase::OnDialogCloseFromWebUI() {
  76   closed_via_webui_ = true;
  77   CloseContents(web_contents_.get());
  78 }
  79
  80 bool ConstrainedWebDialogDelegateBase::closed_via_webui() const {
  81   return closed_via_webui_;
  82 }
  83
  84 void ConstrainedWebDialogDelegateBase::ReleaseWebContentsOnDialogClose() {
  85   release_contents_on_close_ = true;
  86 }
  87
  88 gfx::NativeWindow ConstrainedWebDialogDelegateBase::GetNativeDialog() {
  89   NOTREACHED();
  90   return NULL;
  91 }
  92
  93 WebContents* ConstrainedWebDialogDelegateBase::GetWebContents() {
  94   return web_contents_.get();
  95 }
  96
  97 void ConstrainedWebDialogDelegateBase::HandleKeyboardEvent(
  98     content::WebContents* source,
  99     const NativeWebKeyboardEvent& event) {
 100 }
 101
 102 gfx::Size ConstrainedWebDialogDelegateBase::GetMinimumSize() const {
 103   NOTREACHED();
 104   return gfx::Size();
 105 }
 106
 107 gfx::Size ConstrainedWebDialogDelegateBase::GetMaximumSize() const {
 108   NOTREACHED();
 109   return gfx::Size();
 110 }
 111
 112 gfx::Size ConstrainedWebDialogDelegateBase::GetPreferredSize() const {
 113   NOTREACHED();
 114   return gfx::Size();
 115 }