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 "components/web_modal/web_contents_modal_dialog_manager.h"
6
7 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
8 #include "content/public/browser/navigation_details.h"
9 #include "content/public/browser/navigation_entry.h"
10 #include "content/public/browser/render_view_host.h"
11 #include "content/public/browser/web_contents.h"
12 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
13
14 using content::WebContents;
15
16 DEFINE_WEB_CONTENTS_USER_DATA_KEY(web_modal::WebContentsModalDialogManager);
17
18 namespace web_modal {
19
~WebContentsModalDialogManager()20 WebContentsModalDialogManager::~WebContentsModalDialogManager() {
21 DCHECK(child_dialogs_.empty());
22 }
23
SetDelegate(WebContentsModalDialogManagerDelegate * d)24 void WebContentsModalDialogManager::SetDelegate(
25 WebContentsModalDialogManagerDelegate* d) {
26 delegate_ = d;
27
28 for (WebContentsModalDialogList::iterator it = child_dialogs_.begin();
29 it != child_dialogs_.end(); it++) {
30 // Delegate can be NULL on Views/Win32 during tab drag.
31 (*it)->manager->HostChanged(d ? d->GetWebContentsModalDialogHost() : NULL);
32 }
33 }
34
ShowModalDialog(NativeWebContentsModalDialog dialog)35 void WebContentsModalDialogManager::ShowModalDialog(
36 NativeWebContentsModalDialog dialog) {
37 scoped_ptr<SingleWebContentsDialogManager> mgr(
38 CreateNativeWebModalManager(dialog, this));
39 ShowDialogWithManager(dialog, mgr.Pass());
40 }
41
42 // TODO(gbillock): Maybe "ShowBubbleWithManager"?
ShowDialogWithManager(NativeWebContentsModalDialog dialog,scoped_ptr<SingleWebContentsDialogManager> manager)43 void WebContentsModalDialogManager::ShowDialogWithManager(
44 NativeWebContentsModalDialog dialog,
45 scoped_ptr<SingleWebContentsDialogManager> manager) {
46 if (delegate_)
47 manager->HostChanged(delegate_->GetWebContentsModalDialogHost());
48 child_dialogs_.push_back(new DialogState(dialog, manager.Pass()));
49
50 if (child_dialogs_.size() == 1) {
51 BlockWebContentsInteraction(true);
52 if (delegate_ && delegate_->IsWebContentsVisible(web_contents()))
53 child_dialogs_.back()->manager->Show();
54 }
55 }
56
IsDialogActive() const57 bool WebContentsModalDialogManager::IsDialogActive() const {
58 return !child_dialogs_.empty();
59 }
60
FocusTopmostDialog()61 void WebContentsModalDialogManager::FocusTopmostDialog() {
62 DCHECK(!child_dialogs_.empty());
63 child_dialogs_.front()->manager->Focus();
64 }
65
GetWebContents() const66 content::WebContents* WebContentsModalDialogManager::GetWebContents() const {
67 return web_contents();
68 }
69
WillClose(NativeWebContentsModalDialog dialog)70 void WebContentsModalDialogManager::WillClose(
71 NativeWebContentsModalDialog dialog) {
72 WebContentsModalDialogList::iterator dlg = FindDialogState(dialog);
73
74 // The Views tab contents modal dialog calls WillClose twice. Ignore the
75 // second invocation.
76 if (dlg == child_dialogs_.end())
77 return;
78
79 bool removed_topmost_dialog = dlg == child_dialogs_.begin();
80 scoped_ptr<DialogState> deleter(*dlg);
81 child_dialogs_.erase(dlg);
82 if (!child_dialogs_.empty() && removed_topmost_dialog &&
83 !closing_all_dialogs_) {
84 child_dialogs_.front()->manager->Show();
85 }
86
87 BlockWebContentsInteraction(!child_dialogs_.empty());
88 }
89
WebContentsModalDialogManager(content::WebContents * web_contents)90 WebContentsModalDialogManager::WebContentsModalDialogManager(
91 content::WebContents* web_contents)
92 : content::WebContentsObserver(web_contents),
93 delegate_(NULL),
94 closing_all_dialogs_(false) {
95 }
96
DialogState(NativeWebContentsModalDialog dialog,scoped_ptr<SingleWebContentsDialogManager> mgr)97 WebContentsModalDialogManager::DialogState::DialogState(
98 NativeWebContentsModalDialog dialog,
99 scoped_ptr<SingleWebContentsDialogManager> mgr)
100 : dialog(dialog),
101 manager(mgr.release()) {
102 }
103
~DialogState()104 WebContentsModalDialogManager::DialogState::~DialogState() {}
105
106 WebContentsModalDialogManager::WebContentsModalDialogList::iterator
FindDialogState(NativeWebContentsModalDialog dialog)107 WebContentsModalDialogManager::FindDialogState(
108 NativeWebContentsModalDialog dialog) {
109 WebContentsModalDialogList::iterator i;
110 for (i = child_dialogs_.begin(); i != child_dialogs_.end(); ++i) {
111 if ((*i)->dialog == dialog)
112 break;
113 }
114
115 return i;
116 }
117
118 // TODO(gbillock): Move this to Views impl within Show()? It would
119 // call WebContents* contents = native_delegate_->GetWebContents(); and
120 // then set the block state. Advantage: could restrict some of the
121 // WCMDM delegate methods, then, and pass them behind the scenes.
BlockWebContentsInteraction(bool blocked)122 void WebContentsModalDialogManager::BlockWebContentsInteraction(bool blocked) {
123 WebContents* contents = web_contents();
124 if (!contents) {
125 // The WebContents has already disconnected.
126 return;
127 }
128
129 // RenderViewHost may be NULL during shutdown.
130 content::RenderViewHost* host = contents->GetRenderViewHost();
131 if (host)
132 host->SetIgnoreInputEvents(blocked);
133 if (delegate_)
134 delegate_->SetWebContentsBlocked(contents, blocked);
135 }
136
CloseAllDialogs()137 void WebContentsModalDialogManager::CloseAllDialogs() {
138 closing_all_dialogs_ = true;
139
140 // Clear out any dialogs since we are leaving this page entirely.
141 while (!child_dialogs_.empty()) {
142 child_dialogs_.front()->manager->Close();
143 }
144
145 closing_all_dialogs_ = false;
146 }
147
DidNavigateMainFrame(const content::LoadCommittedDetails & details,const content::FrameNavigateParams & params)148 void WebContentsModalDialogManager::DidNavigateMainFrame(
149 const content::LoadCommittedDetails& details,
150 const content::FrameNavigateParams& params) {
151 // Close constrained windows if necessary.
152 if (!net::registry_controlled_domains::SameDomainOrHost(
153 details.previous_url, details.entry->GetURL(),
154 net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES))
155 CloseAllDialogs();
156 }
157
DidGetIgnoredUIEvent()158 void WebContentsModalDialogManager::DidGetIgnoredUIEvent() {
159 if (!child_dialogs_.empty()) {
160 child_dialogs_.front()->manager->Focus();
161 }
162 }
163
WasShown()164 void WebContentsModalDialogManager::WasShown() {
165 if (!child_dialogs_.empty())
166 child_dialogs_.front()->manager->Show();
167 }
168
WasHidden()169 void WebContentsModalDialogManager::WasHidden() {
170 if (!child_dialogs_.empty())
171 child_dialogs_.front()->manager->Hide();
172 }
173
WebContentsDestroyed()174 void WebContentsModalDialogManager::WebContentsDestroyed() {
175 // First cleanly close all child dialogs.
176 // TODO(mpcomplete): handle case if MaybeCloseChildWindows() already asked
177 // some of these to close. CloseAllDialogs is async, so it might get called
178 // twice before it runs.
179 CloseAllDialogs();
180 }
181
DidAttachInterstitialPage()182 void WebContentsModalDialogManager::DidAttachInterstitialPage() {
183 // TODO(wittman): Test closing on interstitial webui works properly on Mac.
184 #if defined(USE_AURA)
185 CloseAllDialogs();
186 #endif
187 }
188
189 } // namespace web_modal
190