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   WebContentsModalDialogManager* wm_manager =
  49       WebContentsModalDialogManager::FromWebContents(web_contents);
  50   DCHECK(wm_manager);
  51   wm_manager->ShowModalDialog(manager->popup());
  52 }
  53
  54 void PopupManager::ShowModalDialog(gfx::NativeWindow popup,
  55                                    content::WebContents* web_contents) {
  56   // TODO make a new native popup manager and call ShowPopup.
  57   // For now just lay off to WCMDM.
  58   WebContentsModalDialogManager* manager =
  59       WebContentsModalDialogManager::FromWebContents(web_contents);
  60   manager->ShowModalDialog(popup);
  61 }
  62
  63 bool PopupManager::IsWebModalDialogActive(
  64     const content::WebContents* web_contents) const {
  65   if (web_contents == NULL)
  66     return false;
  67
  68   const WebContentsModalDialogManager* manager =
  69       WebContentsModalDialogManager::FromWebContents(web_contents);
  70   return manager && manager->IsDialogActive();
  71 }
  72
  73 void PopupManager::WasFocused(const content::WebContents* web_contents) {
  74   if (!IsWebModalDialogActive(web_contents))
  75     return;
  76
  77   const WebContentsModalDialogManager* manager =
  78       WebContentsModalDialogManager::FromWebContents(web_contents);
  79   if (manager)
  80     manager->FocusTopmostDialog();
  81 }
  82
  83 void PopupManager::WillClose(gfx::NativeWindow popup) {
  84 }
  85
  86 void PopupManager::RegisterWith(content::WebContents* web_contents) {
  87   web_contents->SetUserData(kPopupManagerUserDataKey,
  88                             new PopupManagerRelay(weak_factory_.GetWeakPtr()));
  89   // TODO(gbillock): Need to do something more extreme here to manage changing
  90   // popup managers with popups in-flight?
  91 }
  92
  93 void PopupManager::UnregisterWith(content::WebContents* web_contents) {
  94   web_contents->RemoveUserData(kPopupManagerUserDataKey);
  95   // TODO(gbillock): Need to do something more extreme here to manage changing
  96   // popup managers with popups in-flight?
  97 }
  98
  99 PopupManager* PopupManager::FromWebContents(
 100     content::WebContents* web_contents) {
 101   PopupManagerRelay* relay = static_cast<PopupManagerRelay*>(
 102       web_contents->GetUserData(kPopupManagerUserDataKey));
 103   if (!relay)
 104     return NULL;
 105
 106   return relay->manager_.get();
 107 }
 108
 109 gfx::NativeView PopupManager::GetHostView() const {
 110   // TODO(gbillock): replace this with a PopupManagerHost or something.
 111   DCHECK(host_);
 112   return host_->GetHostView();
 113 }
 114
 115 void PopupManager::CloseAllDialogsForTesting(
 116     content::WebContents* web_contents) {
 117   // TODO: re-implement, probably in terms of something in the host_,
 118   // or of owned WCMDMs.
 119   WebContentsModalDialogManager* manager =
 120       WebContentsModalDialogManager::FromWebContents(web_contents);
 121   manager->CloseAllDialogs();
 122 }
 123
 124 }  // namespace web_modal