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Unified Diff: chrome/browser/ui/web_contents_modal_dialog_manager.cc

Issue 11647017: Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years ago
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Index: chrome/browser/ui/web_contents_modal_dialog_manager.cc
diff --git a/chrome/browser/ui/web_contents_modal_dialog_manager.cc b/chrome/browser/ui/web_contents_modal_dialog_manager.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a737d2d44848777df23f3db00708838efb5fe7b7
--- /dev/null
+++ b/chrome/browser/ui/web_contents_modal_dialog_manager.cc
@@ -0,0 +1,112 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
+
+#include "chrome/browser/ui/web_contents_modal_dialog.h"
+#include "chrome/browser/ui/web_contents_modal_dialog_manager_delegate.h"
+#include "chrome/common/render_messages.h"
+#include "content/public/browser/navigation_details.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/render_widget_host_view.h"
+#include "content/public/browser/web_contents.h"
+#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
+
+using content::WebContents;
+
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(WebContentsModalDialogManager)
+
+WebContentsModalDialogManager::WebContentsModalDialogManager(
+ content::WebContents* web_contents)
+ : content::WebContentsObserver(web_contents),
+ delegate_(NULL) {
+}
+
+WebContentsModalDialogManager::~WebContentsModalDialogManager() {
+ DCHECK(child_dialogs_.empty());
+}
+
+void WebContentsModalDialogManager::AddDialog(
+ WebContentsModalDialog* dialog) {
+ child_dialogs_.push_back(dialog);
+
+ if (child_dialogs_.size() == 1 && dialog->CanShowWebContentsModalDialog()) {
+ dialog->ShowWebContentsModalDialog();
+ BlockWebContentsInteraction(true);
+ }
+}
+
+void WebContentsModalDialogManager::CloseAllDialogs() {
+ // Clear out any dialogs since we are leaving this page entirely. To ensure
+ // that we iterate over every element in child_dialogs_ we need to use a copy
+ // of child_dialogs_. Otherwise if dialog->CloseWebContentsModalDialog()
+ // modifies child_dialogs_ we could end up skipping some elements.
+ WebContentsModalDialogList child_dialogs_copy(child_dialogs_);
+ for (WebContentsModalDialogList::iterator it = child_dialogs_copy.begin();
+ it != child_dialogs_copy.end(); ++it) {
+ WebContentsModalDialog* dialog = *it;
+ if (dialog) {
+ dialog->CloseWebContentsModalDialog();
+ BlockWebContentsInteraction(false);
+ }
+ }
+}
+
+void WebContentsModalDialogManager::WillClose(WebContentsModalDialog* dialog) {
+ WebContentsModalDialogList::iterator i(
+ std::find(child_dialogs_.begin(), child_dialogs_.end(), dialog));
+ bool removed_topmost_dialog = i == child_dialogs_.begin();
+ if (i != child_dialogs_.end())
+ child_dialogs_.erase(i);
+ if (child_dialogs_.empty()) {
+ BlockWebContentsInteraction(false);
+ } else {
+ if (removed_topmost_dialog)
+ child_dialogs_[0]->ShowWebContentsModalDialog();
+ BlockWebContentsInteraction(true);
+ }
+}
+
+void WebContentsModalDialogManager::BlockWebContentsInteraction(bool blocked) {
+ WebContents* contents = web_contents();
+ if (!contents) {
+ // The WebContents has already disconnected.
+ return;
+ }
+
+ // RenderViewHost may be NULL during shutdown.
+ content::RenderViewHost* host = contents->GetRenderViewHost();
+ if (host) {
+ host->SetIgnoreInputEvents(blocked);
+ host->Send(new ChromeViewMsg_SetVisuallyDeemphasized(
+ host->GetRoutingID(), blocked));
+ }
+ if (delegate_)
+ delegate_->SetWebContentsBlocked(contents, blocked);
+}
+
+void WebContentsModalDialogManager::DidNavigateMainFrame(
+ const content::LoadCommittedDetails& details,
+ const content::FrameNavigateParams& params) {
+ // Close dialogs if necessary.
+ if (!net::RegistryControlledDomainService::SameDomainOrHost(
+ details.previous_url, details.entry->GetURL()))
+ CloseAllDialogs();
+}
+
+void WebContentsModalDialogManager::DidGetIgnoredUIEvent() {
+ if (dialog_count()) {
+ WebContentsModalDialog* dialog = *dialog_begin();
+ dialog->FocusWebContentsModalDialog();
+ }
+}
+
+void WebContentsModalDialogManager::WebContentsDestroyed(WebContents* tab) {
+ // First cleanly close all child dialogs.
+ // TODO(mpcomplete): handle case if MaybeCloseChildWindows() already asked
+ // some of these to close. CloseAllDialogs is async, so it might get called
+ // twice before it runs.
+ CloseAllDialogs();
+}

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