chrome/browser/ui/views/extensions/extension_popup.cc

   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/extensions/extension_popup.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "chrome/browser/chrome_notification_types.h"
  10 #include "chrome/browser/devtools/devtools_window.h"
  11 #include "chrome/browser/extensions/extension_view_host.h"
  12 #include "chrome/browser/extensions/extension_view_host_factory.h"
  13 #include "chrome/browser/platform_util.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/browser/ui/browser_window.h"
  17 #include "chrome/browser/ui/host_desktop.h"
  18 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  19 #include "chrome/browser/ui/views/frame/browser_view.h"
  20 #include "content/public/browser/devtools_agent_host.h"
  21 #include "content/public/browser/devtools_manager.h"
  22 #include "content/public/browser/notification_details.h"
  23 #include "content/public/browser/notification_source.h"
  24 #include "content/public/browser/render_view_host.h"
  25 #include "content/public/browser/web_contents.h"
  26 #include "ui/gfx/insets.h"
  27 #include "ui/views/layout/fill_layout.h"
  28 #include "ui/views/widget/widget.h"
  29
  30 #if defined(USE_AURA)
  31 #include "ui/aura/window.h"
  32 #include "ui/wm/core/window_animations.h"
  33 #include "ui/wm/core/window_util.h"
  34 #include "ui/wm/public/activation_client.h"
  35 #endif
  36
  37 #if defined(OS_WIN)
  38 #include "ui/views/win/hwnd_util.h"
  39 #endif
  40
  41 using content::BrowserContext;
  42 using content::RenderViewHost;
  43 using content::WebContents;
  44
  45 namespace {
  46
  47 // Returns true if |possible_owner| is the owner of |child|.
  48 bool IsOwnerOf(gfx::NativeView child, gfx::NativeView possible_owner) {
  49   if (!child)
  50     return false;
  51 #if defined(OS_WIN)
  52   if (::GetWindow(views::HWNDForNativeView(child), GW_OWNER) ==
  53       views::HWNDForNativeView(possible_owner))
  54     return true;
  55 #endif
  56   return false;
  57 }
  58
  59 }  // namespace
  60
  61 // The minimum/maximum dimensions of the popup.
  62 // The minimum is just a little larger than the size of the button itself.
  63 // The maximum is an arbitrary number that should be smaller than most screens.
  64 const int ExtensionPopup::kMinWidth = 25;
  65 const int ExtensionPopup::kMinHeight = 25;
  66 const int ExtensionPopup::kMaxWidth = 800;
  67 const int ExtensionPopup::kMaxHeight = 600;
  68
  69 ExtensionPopup::ExtensionPopup(extensions::ExtensionViewHost* host,
  70                                views::View* anchor_view,
  71                                views::BubbleBorder::Arrow arrow,
  72                                ShowAction show_action)
  73     : BubbleDelegateView(anchor_view, arrow),
  74       host_(host),
  75       devtools_callback_(base::Bind(
  76           &ExtensionPopup::OnDevToolsStateChanged, base::Unretained(this))) {
  77   inspect_with_devtools_ = show_action == SHOW_AND_INSPECT;
  78   // Adjust the margin so that contents fit better.
  79   const int margin = views::BubbleBorder::GetCornerRadius() / 2;
  80   set_margins(gfx::Insets(margin, margin, margin, margin));
  81   SetLayoutManager(new views::FillLayout());
  82   AddChildView(host->view());
  83   host->view()->set_container(this);
  84   // Use OnNativeFocusChange to check for child window activation on deactivate.
  85   set_close_on_deactivate(false);
  86
  87   // Wait to show the popup until the contained host finishes loading.
  88   registrar_.Add(this, content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
  89                  content::Source<WebContents>(host->host_contents()));
  90
  91   // Listen for the containing view calling window.close();
  92   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE,
  93                  content::Source<BrowserContext>(host->browser_context()));
  94   content::DevToolsManager::GetInstance()->AddAgentStateCallback(
  95       devtools_callback_);
  96
  97   host_->view()->browser()->tab_strip_model()->AddObserver(this);
  98 }
  99
 100 ExtensionPopup::~ExtensionPopup() {
 101   content::DevToolsManager::GetInstance()->RemoveAgentStateCallback(
 102       devtools_callback_);
 103
 104   host_->view()->browser()->tab_strip_model()->RemoveObserver(this);
 105 }
 106
 107 void ExtensionPopup::Observe(int type,
 108                              const content::NotificationSource& source,
 109                              const content::NotificationDetails& details) {
 110   switch (type) {
 111     case content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME:
 112       DCHECK(content::Source<WebContents>(host()->host_contents()) == source);
 113       // Show when the content finishes loading and its width is computed.
 114       ShowBubble();
 115       break;
 116     case chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE:
 117       // If we aren't the host of the popup, then disregard the notification.
 118       if (content::Details<extensions::ExtensionHost>(host()) == details)
 119         GetWidget()->Close();
 120       break;
 121     default:
 122       NOTREACHED() << L"Received unexpected notification";
 123   }
 124 }
 125
 126 void ExtensionPopup::OnDevToolsStateChanged(
 127     content::DevToolsAgentHost* agent_host, bool attached) {
 128   // First check that the devtools are being opened on this popup.
 129   if (host()->render_view_host() != agent_host->GetRenderViewHost())
 130     return;
 131
 132   if (attached) {
 133     // Set inspect_with_devtools_ so the popup will be kept open while
 134     // the devtools are open.
 135     inspect_with_devtools_ = true;
 136   } else {
 137     // Widget::Close posts a task, which should give the devtools window a
 138     // chance to finish detaching from the inspected RenderViewHost.
 139     GetWidget()->Close();
 140   }
 141 }
 142
 143 void ExtensionPopup::OnExtensionSizeChanged(ExtensionViewViews* view) {
 144   SizeToContents();
 145 }
 146
 147 gfx::Size ExtensionPopup::GetPreferredSize() {
 148   // Constrain the size to popup min/max.
 149   gfx::Size sz = views::View::GetPreferredSize();
 150   sz.set_width(std::max(kMinWidth, std::min(kMaxWidth, sz.width())));
 151   sz.set_height(std::max(kMinHeight, std::min(kMaxHeight, sz.height())));
 152   return sz;
 153 }
 154
 155 void ExtensionPopup::OnWidgetDestroying(views::Widget* widget) {
 156   BubbleDelegateView::OnWidgetDestroying(widget);
 157 #if defined(USE_AURA)
 158   aura::Window* bubble_window = GetWidget()->GetNativeWindow();
 159   aura::client::ActivationClient* activation_client =
 160       aura::client::GetActivationClient(bubble_window->GetRootWindow());
 161   activation_client->RemoveObserver(this);
 162 #endif
 163 }
 164
 165 void ExtensionPopup::OnWidgetActivationChanged(views::Widget* widget,
 166                                                bool active) {
 167   // Dismiss only if the window being activated is not owned by this popup's
 168   // window. In particular, don't dismiss when we lose activation to a child
 169   // dialog box. Possibly relevant: http://crbug.com/106723 and
 170   // http://crbug.com/179786
 171   views::Widget* this_widget = GetWidget();
 172
 173   // TODO(msw): Resolve crashes and remove checks. See: http://crbug.com/327776
 174   CHECK(!close_on_deactivate());
 175   CHECK(this_widget);
 176   CHECK(widget);
 177
 178   gfx::NativeView activated_view = widget->GetNativeView();
 179   gfx::NativeView this_view = this_widget->GetNativeView();
 180   if (active && !inspect_with_devtools_ && activated_view != this_view &&
 181       !IsOwnerOf(activated_view, this_view))
 182     this_widget->Close();
 183 }
 184
 185 #if defined(USE_AURA)
 186 void ExtensionPopup::OnWindowActivated(aura::Window* gained_active,
 187                                        aura::Window* lost_active) {
 188   // DesktopNativeWidgetAura does not trigger the expected browser widget
 189   // [de]activation events when activating widgets in its own root window.
 190   // This additional check handles those cases. See: http://crbug.com/320889
 191   aura::Window* this_window = GetWidget()->GetNativeWindow();
 192   aura::Window* anchor_window = anchor_widget()->GetNativeWindow();
 193   chrome::HostDesktopType host_desktop_type =
 194       chrome::GetHostDesktopTypeForNativeWindow(this_window);
 195   if (!inspect_with_devtools_ && anchor_window == gained_active &&
 196       host_desktop_type != chrome::HOST_DESKTOP_TYPE_ASH &&
 197       this_window->GetRootWindow() == anchor_window->GetRootWindow() &&
 198       wm::GetTransientParent(gained_active) != this_window)
 199     GetWidget()->Close();
 200 }
 201 #endif
 202
 203 void ExtensionPopup::ActiveTabChanged(content::WebContents* old_contents,
 204                                       content::WebContents* new_contents,
 205                                       int index,
 206                                       int reason) {
 207   GetWidget()->Close();
 208 }
 209
 210 // static
 211 ExtensionPopup* ExtensionPopup::ShowPopup(const GURL& url,
 212                                           Browser* browser,
 213                                           views::View* anchor_view,
 214                                           views::BubbleBorder::Arrow arrow,
 215                                           ShowAction show_action) {
 216   extensions::ExtensionViewHost* host =
 217       extensions::ExtensionViewHostFactory::CreatePopupHost(url, browser);
 218   ExtensionPopup* popup = new ExtensionPopup(host, anchor_view, arrow,
 219       show_action);
 220   views::BubbleDelegateView::CreateBubble(popup);
 221
 222 #if defined(USE_AURA)
 223   gfx::NativeView native_view = popup->GetWidget()->GetNativeView();
 224   wm::SetWindowVisibilityAnimationType(
 225       native_view,
 226       wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
 227   wm::SetWindowVisibilityAnimationVerticalPosition(
 228       native_view,
 229       -3.0f);
 230 #endif
 231
 232   // If the host had somehow finished loading, then we'd miss the notification
 233   // and not show.  This seems to happen in single-process mode.
 234   if (host->did_stop_loading())
 235     popup->ShowBubble();
 236
 237 #if defined(USE_AURA)
 238   aura::Window* bubble_window = popup->GetWidget()->GetNativeWindow();
 239   aura::client::ActivationClient* activation_client =
 240       aura::client::GetActivationClient(bubble_window->GetRootWindow());
 241   activation_client->AddObserver(popup);
 242 #endif
 243
 244   return popup;
 245 }
 246
 247 void ExtensionPopup::ShowBubble() {
 248   GetWidget()->Show();
 249
 250   // Focus on the host contents when the bubble is first shown.
 251   host()->host_contents()->Focus();
 252
 253   if (inspect_with_devtools_) {
 254     DevToolsWindow::OpenDevToolsWindow(host()->render_view_host(),
 255         DevToolsToggleAction::ShowConsole());
 256   }
 257 }