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 "chrome/browser/chromeos/login/ui/login_web_dialog.h" 6 7 #include <deque> 8 9 #include "base/lazy_instance.h" 10 #include "base/strings/utf_string_conversions.h" 11 #include "chrome/browser/chromeos/login/helper.h" 12 #include "chrome/browser/ui/browser_dialogs.h" 13 #include "content/public/browser/browser_context.h" 14 #include "content/public/browser/notification_source.h" 15 #include "content/public/browser/notification_types.h" 16 #include "content/public/browser/web_contents.h" 17 #include "ui/gfx/native_widget_types.h" 18 #include "ui/gfx/rect.h" 19 #include "ui/gfx/size.h" 20 #include "ui/views/widget/widget.h" 21 22 using content::WebContents; 23 using content::WebUIMessageHandler; 24 25 namespace chromeos { 26 27 namespace { 28 29 // Default width/height ratio of screen size. 30 const double kDefaultWidthRatio = 0.6; 31 const double kDefaultHeightRatio = 0.6; 32 33 // Default width/height ratio of minimal dialog size. 34 const double kMinimumWidthRatio = 0.25; 35 const double kMinimumHeightRatio = 0.25; 36 37 static base::LazyInstance<std::deque<content::WebContents*> > 38 g_web_contents_stack = LAZY_INSTANCE_INITIALIZER; 39 40 } // namespace 41 42 /////////////////////////////////////////////////////////////////////////////// 43 // LoginWebDialog, public: 44 45 void LoginWebDialog::Delegate::OnDialogClosed() { 46 } 47 48 LoginWebDialog::LoginWebDialog(content::BrowserContext* browser_context, 49 Delegate* delegate, 50 gfx::NativeWindow parent_window, 51 const base::string16& title, 52 const GURL& url, 53 Style style) 54 : browser_context_(browser_context), 55 parent_window_(parent_window), 56 delegate_(delegate), 57 title_(title), 58 url_(url), 59 style_(style), 60 is_open_(false) { 61 gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size())); 62 width_ = static_cast<int>(kDefaultWidthRatio * screen_bounds.width()); 63 height_ = static_cast<int>(kDefaultHeightRatio * screen_bounds.height()); 64 } 65 66 LoginWebDialog::~LoginWebDialog() { 67 delegate_ = NULL; 68 } 69 70 void LoginWebDialog::Show() { 71 chrome::ShowWebDialog(parent_window_, browser_context_, this); 72 is_open_ = true; 73 } 74 75 void LoginWebDialog::SetDialogSize(int width, int height) { 76 DCHECK(width >= 0 && height >= 0); 77 width_ = width; 78 height_ = height; 79 } 80 81 void LoginWebDialog::SetDialogTitle(const base::string16& title) { 82 title_ = title; 83 } 84 85 /////////////////////////////////////////////////////////////////////////////// 86 // LoginWebDialog, protected: 87 88 ui::ModalType LoginWebDialog::GetDialogModalType() const { 89 return ui::MODAL_TYPE_SYSTEM; 90 } 91 92 base::string16 LoginWebDialog::GetDialogTitle() const { 93 return title_; 94 } 95 96 GURL LoginWebDialog::GetDialogContentURL() const { 97 return url_; 98 } 99 100 void LoginWebDialog::GetWebUIMessageHandlers( 101 std::vector<WebUIMessageHandler*>* handlers) const { 102 } 103 104 void LoginWebDialog::GetDialogSize(gfx::Size* size) const { 105 size->SetSize(width_, height_); 106 } 107 108 void LoginWebDialog::GetMinimumDialogSize(gfx::Size* size) const { 109 gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size())); 110 size->SetSize(kMinimumWidthRatio * screen_bounds.width(), 111 kMinimumHeightRatio * screen_bounds.height()); 112 } 113 114 std::string LoginWebDialog::GetDialogArgs() const { 115 return std::string(); 116 } 117 118 // static. 119 content::WebContents* LoginWebDialog::GetCurrentWebContents() { 120 if (!g_web_contents_stack.Pointer()->size()) 121 return NULL; 122 123 return g_web_contents_stack.Pointer()->front(); 124 } 125 126 void LoginWebDialog::OnDialogShown(content::WebUI* webui, 127 content::RenderViewHost* render_view_host) { 128 g_web_contents_stack.Pointer()->push_front(webui->GetWebContents()); 129 } 130 131 void LoginWebDialog::OnDialogClosed(const std::string& json_retval) { 132 is_open_ = false; 133 notification_registrar_.RemoveAll(); 134 if (delegate_) 135 delegate_->OnDialogClosed(); 136 delete this; 137 } 138 139 void LoginWebDialog::OnCloseContents(WebContents* source, 140 bool* out_close_dialog) { 141 if (out_close_dialog) 142 *out_close_dialog = true; 143 144 if (g_web_contents_stack.Pointer()->size() && 145 source == g_web_contents_stack.Pointer()->front()) { 146 g_web_contents_stack.Pointer()->pop_front(); 147 } else { 148 NOTREACHED(); 149 } 150 } 151 152 bool LoginWebDialog::ShouldShowDialogTitle() const { 153 return true; 154 } 155 156 bool LoginWebDialog::HandleContextMenu( 157 const content::ContextMenuParams& params) { 158 // Disable context menu. 159 return true; 160 } 161 162 void LoginWebDialog::Observe(int type, 163 const content::NotificationSource& source, 164 const content::NotificationDetails& details) { 165 DCHECK(type == content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME); 166 // TODO(saintlou): Do we need a throbber for Aura? 167 NOTIMPLEMENTED(); 168 } 169 170 } // namespace chromeos 171
