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| 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 "chrome/browser/ui/constrained_window_tab_helper.h" | |
| 6 | |
| 7 #include "chrome/browser/ui/constrained_window.h" | |
| 8 #include "chrome/browser/ui/constrained_window_tab_helper_delegate.h" | |
| 9 #include "chrome/common/render_messages.h" | |
| 10 #include "content/public/browser/navigation_details.h" | |
| 11 #include "content/public/browser/navigation_entry.h" | |
| 12 #include "content/public/browser/render_view_host.h" | |
| 13 #include "content/public/browser/render_widget_host_view.h" | |
| 14 #include "content/public/browser/web_contents.h" | |
| 15 #include "net/base/registry_controlled_domains/registry_controlled_domain.h" | |
| 16 | |
| 17 using content::WebContents; | |
| 18 | |
| 19 DEFINE_WEB_CONTENTS_USER_DATA_KEY(ConstrainedWindowTabHelper) | |
| 20 | |
| 21 ConstrainedWindowTabHelper::ConstrainedWindowTabHelper( | |
| 22 content::WebContents* web_contents) | |
| 23 : content::WebContentsObserver(web_contents), | |
| 24 delegate_(NULL) { | |
| 25 } | |
| 26 | |
| 27 ConstrainedWindowTabHelper::~ConstrainedWindowTabHelper() { | |
| 28 DCHECK(child_windows_.empty()); | |
| 29 } | |
| 30 | |
| 31 void ConstrainedWindowTabHelper::AddConstrainedDialog( | |
| 32 ConstrainedWindow* window) { | |
| 33 child_windows_.push_back(window); | |
| 34 | |
| 35 if (child_windows_.size() == 1 && window->CanShowConstrainedWindow()) { | |
| 36 window->ShowConstrainedWindow(); | |
| 37 BlockTabContent(true); | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 void ConstrainedWindowTabHelper::CloseConstrainedWindows() { | |
| 42 // Clear out any constrained windows since we are leaving this page entirely. | |
| 43 // To ensure that we iterate over every element in child_windows_ we | |
| 44 // need to use a copy of child_windows_. Otherwise if | |
| 45 // window->CloseConstrainedWindow() modifies child_windows_ we could end up | |
| 46 // skipping some elements. | |
| 47 ConstrainedWindowList child_windows_copy(child_windows_); | |
| 48 for (ConstrainedWindowList::iterator it = child_windows_copy.begin(); | |
| 49 it != child_windows_copy.end(); ++it) { | |
| 50 ConstrainedWindow* window = *it; | |
| 51 if (window) { | |
| 52 window->CloseConstrainedWindow(); | |
| 53 BlockTabContent(false); | |
| 54 } | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 void ConstrainedWindowTabHelper::WillClose(ConstrainedWindow* window) { | |
| 59 ConstrainedWindowList::iterator i( | |
| 60 std::find(child_windows_.begin(), child_windows_.end(), window)); | |
| 61 bool removed_topmost_window = i == child_windows_.begin(); | |
| 62 if (i != child_windows_.end()) | |
| 63 child_windows_.erase(i); | |
| 64 if (child_windows_.empty()) { | |
| 65 BlockTabContent(false); | |
| 66 } else { | |
| 67 if (removed_topmost_window) | |
| 68 child_windows_[0]->ShowConstrainedWindow(); | |
| 69 BlockTabContent(true); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 void ConstrainedWindowTabHelper::BlockTabContent(bool blocked) { | |
| 74 WebContents* contents = web_contents(); | |
| 75 if (!contents) { | |
| 76 // The WebContents has already disconnected. | |
| 77 return; | |
| 78 } | |
| 79 | |
| 80 // RenderViewHost may be NULL during shutdown. | |
| 81 content::RenderViewHost* host = contents->GetRenderViewHost(); | |
| 82 if (host) { | |
| 83 host->SetIgnoreInputEvents(blocked); | |
| 84 host->Send(new ChromeViewMsg_SetVisuallyDeemphasized( | |
| 85 host->GetRoutingID(), blocked)); | |
| 86 } | |
| 87 if (delegate_) | |
| 88 delegate_->SetTabContentBlocked(contents, blocked); | |
| 89 } | |
| 90 | |
| 91 void ConstrainedWindowTabHelper::DidNavigateMainFrame( | |
| 92 const content::LoadCommittedDetails& details, | |
| 93 const content::FrameNavigateParams& params) { | |
| 94 // Close constrained windows if necessary. | |
| 95 if (!net::RegistryControlledDomainService::SameDomainOrHost( | |
| 96 details.previous_url, details.entry->GetURL())) | |
| 97 CloseConstrainedWindows(); | |
| 98 } | |
| 99 | |
| 100 void ConstrainedWindowTabHelper::DidGetIgnoredUIEvent() { | |
| 101 if (constrained_window_count()) { | |
| 102 ConstrainedWindow* window = *constrained_window_begin(); | |
| 103 window->FocusConstrainedWindow(); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 void ConstrainedWindowTabHelper::WebContentsDestroyed(WebContents* tab) { | |
| 108 // First cleanly close all child windows. | |
| 109 // TODO(mpcomplete): handle case if MaybeCloseChildWindows() already asked | |
| 110 // some of these to close. CloseWindows is async, so it might get called | |
| 111 // twice before it runs. | |
| 112 CloseConstrainedWindows(); | |
| 113 } | |
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Chromium Code Reviews
Issue 11647017:
Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1) (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src