chrome_web_contents_view_delegate_views.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40
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/views/tab_contents/chrome_web_contents_view_delegate_views.h" 6 7#include "chrome/browser/browser_shutdown.h" 8#include "chrome/browser/ui/sad_tab_helper.h" 9#include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h" 10#include "chrome/browser/ui/views/sad_tab_view.h" 11#include "chrome/browser/ui/views/tab_contents/render_view_context_menu_views.h" 12#include "chrome/common/chrome_switches.h" 13#include "components/web_modal/web_contents_modal_dialog_manager.h" 14#include "content/public/browser/render_process_host.h" 15#include "content/public/browser/render_view_host.h" 16#include "content/public/browser/render_widget_host_view.h" 17#include "content/public/browser/web_contents.h" 18#include "content/public/browser/web_contents_delegate.h" 19#include "content/public/browser/web_contents_view.h" 20#include "ui/views/focus/focus_manager.h" 21#include "ui/views/focus/view_storage.h" 22#include "ui/views/widget/widget.h" 23 24#if defined(USE_AURA) 25#include "chrome/browser/ui/aura/tab_contents/web_drag_bookmark_handler_aura.h" 26#include "ui/aura/client/screen_position_client.h" 27#include "ui/aura/root_window.h" 28#include "ui/aura/window.h" 29#else 30#include "chrome/browser/ui/views/tab_contents/web_drag_bookmark_handler_win.h" 31#endif 32 33using web_modal::WebContentsModalDialogManager; 34 35ChromeWebContentsViewDelegateViews::ChromeWebContentsViewDelegateViews( 36 content::WebContents* web_contents) 37 : web_contents_(web_contents) { 38 last_focused_view_storage_id_ = 39 views::ViewStorage::GetInstance()->CreateStorageID(); 40} 41 42ChromeWebContentsViewDelegateViews::~ChromeWebContentsViewDelegateViews() { 43 // Makes sure to remove any stored view we may still have in the ViewStorage. 44 // 45 // It is possible the view went away before us, so we only do this if the 46 // view is registered. 47 views::ViewStorage* view_storage = views::ViewStorage::GetInstance(); 48 if (view_storage->RetrieveView(last_focused_view_storage_id_) != NULL) 49 view_storage->RemoveView(last_focused_view_storage_id_); 50} 51 52content::WebDragDestDelegate* 53 ChromeWebContentsViewDelegateViews::GetDragDestDelegate() { 54 // We install a chrome specific handler to intercept bookmark drags for the 55 // bookmark manager/extension API. 56#if defined(USE_AURA) 57 bookmark_handler_.reset(new WebDragBookmarkHandlerAura); 58#else 59 bookmark_handler_.reset(new WebDragBookmarkHandlerWin); 60#endif 61 return bookmark_handler_.get(); 62} 63 64bool ChromeWebContentsViewDelegateViews::Focus() { 65 SadTabHelper* sad_tab_helper = SadTabHelper::FromWebContents(web_contents_); 66 if (sad_tab_helper) { 67 SadTabView* sad_tab = static_cast<SadTabView*>(sad_tab_helper->sad_tab()); 68 if (sad_tab) { 69 sad_tab->RequestFocus(); 70 return true; 71 } 72 } 73 74 WebContentsModalDialogManager* web_contents_modal_dialog_manager = 75 WebContentsModalDialogManager::FromWebContents(web_contents_); 76 if (web_contents_modal_dialog_manager) { 77 // TODO(erg): WebContents used to own web contents modal dialogs, which is 78 // why this is here. Eventually this should be ported to a containing view 79 // specializing in web contents modal dialog management. 80 if (web_contents_modal_dialog_manager->IsShowingDialog()) { 81 web_contents_modal_dialog_manager->FocusTopmostDialog(); 82 return true; 83 } 84 } 85 86 return false; 87} 88 89void ChromeWebContentsViewDelegateViews::TakeFocus(bool reverse) { 90 GetFocusManager()->AdvanceFocus(reverse); 91} 92 93void ChromeWebContentsViewDelegateViews::StoreFocus() { 94 views::ViewStorage* view_storage = views::ViewStorage::GetInstance(); 95 96 if (view_storage->RetrieveView(last_focused_view_storage_id_) != NULL) 97 view_storage->RemoveView(last_focused_view_storage_id_); 98 99 if (!GetFocusManager()) 100 return; 101 views::View* focused_view = GetFocusManager()->GetFocusedView(); 102 if (focused_view) 103 view_storage->StoreView(last_focused_view_storage_id_, focused_view); 104} 105 106void ChromeWebContentsViewDelegateViews::RestoreFocus() { 107 views::ViewStorage* view_storage = views::ViewStorage::GetInstance(); 108 views::View* last_focused_view = 109 view_storage->RetrieveView(last_focused_view_storage_id_); 110 111 if (!last_focused_view) { 112 SetInitialFocus(); 113 } else { 114 if (last_focused_view->IsFocusable() && 115 GetFocusManager()->ContainsView(last_focused_view)) { 116 last_focused_view->RequestFocus(); 117 } else { 118 // The focused view may not belong to the same window hierarchy (e.g. 119 // if the location bar was focused and the tab is dragged out), or it may 120 // no longer be focusable (e.g. if the location bar was focused and then 121 // we switched to fullscreen mode). In that case we default to the 122 // default focus. 123 SetInitialFocus(); 124 } 125 view_storage->RemoveView(last_focused_view_storage_id_); 126 } 127} 128 129void ChromeWebContentsViewDelegateViews::ShowContextMenu( 130 const content::ContextMenuParams& params) { 131 // Menus need a Widget to work. If we're not the active tab we won't 132 // necessarily be in a widget. 133 views::Widget* top_level_widget = GetTopLevelWidget(); 134 if (!top_level_widget) 135 return; 136 137 context_menu_.reset( 138 RenderViewContextMenuViews::Create(web_contents_, params)); 139 context_menu_->Init(); 140 141 // Don't show empty menus. 142 if (context_menu_->menu_model().GetItemCount() == 0) 143 return; 144 145 gfx::Point screen_point(params.x, params.y); 146 147#if defined(USE_AURA) 148 // Convert from content coordinates to window coordinates. 149 aura::Window* web_contents_window = 150 web_contents_->GetView()->GetNativeView(); 151 aura::RootWindow* root_window = web_contents_window->GetRootWindow(); 152 aura::client::ScreenPositionClient* screen_position_client = 153 aura::client::GetScreenPositionClient(root_window); 154 if (screen_position_client) { 155 screen_position_client->ConvertPointToScreen(web_contents_window, 156 &screen_point); 157 } 158#else 159 POINT temp = screen_point.ToPOINT(); 160 ClientToScreen(web_contents_->GetView()->GetNativeView(), &temp); 161 screen_point = temp; 162#endif 163 164 // Enable recursive tasks on the message loop so we can get updates while 165 // the context menu is being displayed. 166 base::MessageLoop::ScopedNestableTaskAllower allow( 167 base::MessageLoop::current()); 168 context_menu_->RunMenuAt(top_level_widget, screen_point, params.source_type); 169} 170 171void ChromeWebContentsViewDelegateViews::SizeChanged(const gfx::Size& size) { 172 SadTabHelper* sad_tab_helper = SadTabHelper::FromWebContents(web_contents_); 173 if (!sad_tab_helper) 174 return; 175 SadTabView* sad_tab = static_cast<SadTabView*>(sad_tab_helper->sad_tab()); 176 if (sad_tab) 177 sad_tab->GetWidget()->SetBounds(gfx::Rect(size)); 178} 179 180views::Widget* ChromeWebContentsViewDelegateViews::GetTopLevelWidget() { 181 return views::Widget::GetTopLevelWidgetForNativeView( 182 web_contents_->GetView()->GetNativeView()); 183} 184 185views::FocusManager* 186 ChromeWebContentsViewDelegateViews::GetFocusManager() { 187 views::Widget* toplevel_widget = GetTopLevelWidget(); 188 return toplevel_widget ? toplevel_widget->GetFocusManager() : NULL; 189} 190 191void ChromeWebContentsViewDelegateViews::SetInitialFocus() { 192 if (web_contents_->FocusLocationBarByDefault()) { 193 if (web_contents_->GetDelegate()) 194 web_contents_->GetDelegate()->SetFocusToLocationBar(false); 195 } else { 196 web_contents_->GetView()->Focus(); 197 } 198} 199 200namespace chrome { 201 202content::WebContentsViewDelegate* CreateWebContentsViewDelegate( 203 content::WebContents* web_contents) { 204 return new ChromeWebContentsViewDelegateViews(web_contents); 205} 206 207} // namespace chrome 208