components/web_modal/popup_manager.cc

   1 // Copyright 2014 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 "components/web_modal/popup_manager.h"
   6
   7 #include "components/web_modal/web_contents_modal_dialog_host.h"
   8 #include "components/web_modal/web_contents_modal_dialog_manager.h"
   9 #include "content/public/browser/web_contents.h"
  10 #include "content/public/browser/web_contents_user_data.h"
  11 #include "ui/gfx/geometry/size.h"
  12
  13 using content::WebContents;
  14
  15 namespace web_modal {
  16
  17 namespace {
  18
  19 const char kPopupManagerUserDataKey[] = "PopupManager";
  20
  21 // This class provides a hook to get a PopupManager from a WebContents.
  22 // The PopupManager is browser-scoped, but will use a FromWebContents API
  23 // to attach to each WebContents in that browser.
  24 class PopupManagerRelay : public content::WebContentsUserData<PopupManager> {
  25  public:
  26   explicit PopupManagerRelay(base::WeakPtr<PopupManager> manager)
  27       : manager_(manager) {}
  28
  29   ~PopupManagerRelay() override {}
  30
  31   base::WeakPtr<PopupManager> manager_;
  32 };
  33
  34 }  // namespace
  35
  36 PopupManager::PopupManager(WebContentsModalDialogHost* host)
  37     : host_(host),
  38       weak_factory_(this) {}
  39
  40 PopupManager::~PopupManager() {
  41 }
  42
  43 void PopupManager::ShowPopup(scoped_ptr<SinglePopupManager> manager) {
  44   content::WebContents* web_contents = manager->GetBoundWebContents();
  45   // TODO(gbillock): get rid of this when we handle bubbles
  46   DCHECK(web_contents);
  47
  48   // TODO(gbillock): remove when we port the popup management logic to this
  49   // class.
  50   NativeWebContentsModalDialog dialog =
  51       static_cast<NativeWebContentsModalDialog>(manager->popup());
  52
  53   WebContentsModalDialogManager* wm_manager =
  54       WebContentsModalDialogManager::FromWebContents(web_contents);
  55   DCHECK(wm_manager);
  56   wm_manager->ShowModalDialog(dialog);
  57 }
  58
  59 void PopupManager::ShowModalDialog(NativePopup popup,
  60                                    content::WebContents* web_contents) {
  61   // TODO make a new native popup manager and call ShowPopup.
  62   // For now just lay off to WCMDM.
  63   WebContentsModalDialogManager* manager =
  64       WebContentsModalDialogManager::FromWebContents(web_contents);
  65   manager->ShowModalDialog(popup);
  66 }
  67
  68 bool PopupManager::IsWebModalDialogActive(
  69     const content::WebContents* web_contents) const {
  70   if (web_contents == NULL)
  71     return false;
  72
  73   const WebContentsModalDialogManager* manager =
  74       WebContentsModalDialogManager::FromWebContents(web_contents);
  75   return manager && manager->IsDialogActive();
  76 }
  77
  78 void PopupManager::WasFocused(const content::WebContents* web_contents) {
  79   if (!IsWebModalDialogActive(web_contents))
  80     return;
  81
  82   const WebContentsModalDialogManager* manager =
  83       WebContentsModalDialogManager::FromWebContents(web_contents);
  84   if (manager)
  85     manager->FocusTopmostDialog();
  86 }
  87
  88 void PopupManager::WillClose(NativePopup popup) {
  89 }
  90
  91 void PopupManager::RegisterWith(content::WebContents* web_contents) {
  92   web_contents->SetUserData(kPopupManagerUserDataKey,
  93                             new PopupManagerRelay(weak_factory_.GetWeakPtr()));
  94   // TODO(gbillock): Need to do something more extreme here to manage changing
  95   // popup managers with popups in-flight?
  96 }
  97
  98 void PopupManager::UnregisterWith(content::WebContents* web_contents) {
  99   web_contents->RemoveUserData(kPopupManagerUserDataKey);
 100   // TODO(gbillock): Need to do something more extreme here to manage changing
 101   // popup managers with popups in-flight?
 102 }
 103
 104 PopupManager* PopupManager::FromWebContents(
 105     content::WebContents* web_contents) {
 106   PopupManagerRelay* relay = static_cast<PopupManagerRelay*>(
 107       web_contents->GetUserData(kPopupManagerUserDataKey));
 108   if (!relay)
 109     return NULL;
 110
 111   return relay->manager_.get();
 112 }
 113
 114 gfx::NativeView PopupManager::GetHostView() const {
 115   // TODO(gbillock): replace this with a PopupManagerHost or something.
 116   DCHECK(host_);
 117   return host_->GetHostView();
 118 }
 119
 120 void PopupManager::CloseAllDialogsForTesting(
 121     content::WebContents* web_contents) {
 122   // TODO: re-implement, probably in terms of something in the host_,
 123   // or of owned WCMDMs.
 124   WebContentsModalDialogManager* manager =
 125       WebContentsModalDialogManager::FromWebContents(web_contents);
 126   manager->CloseAllDialogs();
 127 }
 128
 129 }  // namespace web_modal