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::ShowModalDialog(gfx::NativeWindow popup,
  44                                    content::WebContents* web_contents) {
  45   // TODO make a new native popup manager and call ShowPopup.
  46   // For now just lay off to WCMDM.
  47   WebContentsModalDialogManager* manager =
  48       WebContentsModalDialogManager::FromWebContents(web_contents);
  49   manager->ShowModalDialog(popup);
  50 }
  51
  52 bool PopupManager::IsWebModalDialogActive(
  53     const content::WebContents* web_contents) const {
  54   if (web_contents == NULL)
  55     return false;
  56
  57   const WebContentsModalDialogManager* manager =
  58       WebContentsModalDialogManager::FromWebContents(web_contents);
  59   return manager && manager->IsDialogActive();
  60 }
  61
  62 void PopupManager::WasFocused(const content::WebContents* web_contents) {
  63   if (!IsWebModalDialogActive(web_contents))
  64     return;
  65
  66   const WebContentsModalDialogManager* manager =
  67       WebContentsModalDialogManager::FromWebContents(web_contents);
  68   if (manager)
  69     manager->FocusTopmostDialog();
  70 }
  71
  72 void PopupManager::WillClose(gfx::NativeWindow popup) {
  73 }
  74
  75 void PopupManager::RegisterWith(content::WebContents* web_contents) {
  76   web_contents->SetUserData(kPopupManagerUserDataKey,
  77                             new PopupManagerRelay(weak_factory_.GetWeakPtr()));
  78   // TODO(gbillock): Need to do something more extreme here to manage changing
  79   // popup managers with popups in-flight?
  80 }
  81
  82 void PopupManager::UnregisterWith(content::WebContents* web_contents) {
  83   web_contents->RemoveUserData(kPopupManagerUserDataKey);
  84   // TODO(gbillock): Need to do something more extreme here to manage changing
  85   // popup managers with popups in-flight?
  86 }
  87
  88 PopupManager* PopupManager::FromWebContents(
  89     content::WebContents* web_contents) {
  90   PopupManagerRelay* relay = static_cast<PopupManagerRelay*>(
  91       web_contents->GetUserData(kPopupManagerUserDataKey));
  92   if (!relay)
  93     return NULL;
  94
  95   return relay->manager_.get();
  96 }
  97
  98 gfx::NativeView PopupManager::GetHostView() const {
  99   // TODO(gbillock): replace this with a PopupManagerHost or something.
 100   DCHECK(host_);
 101   return host_->GetHostView();
 102 }
 103
 104 void PopupManager::CloseAllDialogsForTesting(
 105     content::WebContents* web_contents) {
 106   // TODO: re-implement, probably in terms of something in the host_,
 107   // or of owned WCMDMs.
 108   WebContentsModalDialogManager* manager =
 109       WebContentsModalDialogManager::FromWebContents(web_contents);
 110   manager->CloseAllDialogs();
 111 }
 112
 113 }  // namespace web_modal