| // Copyright 2013 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/views/toolbar/toolbar_action_view.h" |
| |
| #include <string> |
| |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/sessions/session_tab_helper.h" |
| #include "chrome/browser/themes/theme_service.h" |
| #include "chrome/browser/themes/theme_service_factory.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/toolbar/toolbar_action_view_controller.h" |
| #include "chrome/browser/ui/view_ids.h" |
| #include "chrome/browser/ui/views/frame/browser_view.h" |
| #include "chrome/browser/ui/views/toolbar/browser_actions_container.h" |
| #include "chrome/browser/ui/views/toolbar/toolbar_view.h" |
| #include "chrome/grit/generated_resources.h" |
| #include "grit/theme_resources.h" |
| #include "ui/accessibility/ax_view_state.h" |
| #include "ui/events/event.h" |
| #include "ui/gfx/image/image_skia.h" |
| #include "ui/gfx/image/image_skia_operations.h" |
| #include "ui/gfx/image/image_skia_source.h" |
| #include "ui/views/controls/button/label_button_border.h" |
| |
| using views::LabelButtonBorder; |
| |
| namespace { |
| |
| // We have smaller insets than normal STYLE_TEXTBUTTON buttons so that we can |
| // fit user supplied icons in without clipping them. |
| const int kBorderInset = 4; |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // ToolbarActionView |
| |
| ToolbarActionView::ToolbarActionView( |
| scoped_ptr<ToolbarActionViewController> view_controller, |
| Browser* browser, |
| ToolbarActionView::Delegate* delegate) |
| : MenuButton(this, base::string16(), NULL, false), |
| view_controller_(view_controller.Pass()), |
| browser_(browser), |
| delegate_(delegate), |
| called_register_command_(false) { |
| set_id(VIEW_ID_BROWSER_ACTION); |
| view_controller_->SetDelegate(this); |
| SetHorizontalAlignment(gfx::ALIGN_CENTER); |
| if (view_controller_->CanDrag()) |
| set_drag_controller(delegate_); |
| |
| // We also listen for browser theme changes on linux because a switch from or |
| // to GTK requires that we regrab our browser action images. |
| registrar_.Add( |
| this, |
| chrome::NOTIFICATION_BROWSER_THEME_CHANGED, |
| content::Source<ThemeService>( |
| ThemeServiceFactory::GetForProfile(browser->profile()))); |
| |
| UpdateState(); |
| } |
| |
| ToolbarActionView::~ToolbarActionView() { |
| } |
| |
| void ToolbarActionView::ViewHierarchyChanged( |
| const ViewHierarchyChangedDetails& details) { |
| if (details.is_add && !called_register_command_ && GetFocusManager()) { |
| view_controller_->RegisterCommand(); |
| called_register_command_ = true; |
| } |
| |
| MenuButton::ViewHierarchyChanged(details); |
| } |
| |
| void ToolbarActionView::OnDragDone() { |
| views::MenuButton::OnDragDone(); |
| delegate_->OnToolbarActionViewDragDone(); |
| } |
| |
| gfx::Size ToolbarActionView::GetPreferredSize() const { |
| return gfx::Size(BrowserActionsContainer::IconWidth(false), |
| BrowserActionsContainer::IconHeight()); |
| } |
| |
| void ToolbarActionView::PaintChildren(gfx::Canvas* canvas, |
| const views::CullSet& cull_set) { |
| View::PaintChildren(canvas, cull_set); |
| view_controller_->PaintExtra( |
| canvas, GetLocalBounds(), GetCurrentWebContents()); |
| } |
| |
| void ToolbarActionView::GetAccessibleState(ui::AXViewState* state) { |
| views::MenuButton::GetAccessibleState(state); |
| state->role = ui::AX_ROLE_BUTTON; |
| } |
| |
| void ToolbarActionView::ButtonPressed(views::Button* sender, |
| const ui::Event& event) { |
| view_controller_->ExecuteAction(true); |
| } |
| |
| void ToolbarActionView::UpdateState() { |
| content::WebContents* web_contents = GetCurrentWebContents(); |
| if (SessionTabHelper::IdForTab(web_contents) < 0) |
| return; |
| |
| bool enabled = view_controller_->IsEnabled(web_contents); |
| if (!enabled) |
| SetState(views::CustomButton::STATE_DISABLED); |
| |
| gfx::ImageSkia icon = *view_controller_->GetIcon(web_contents).ToImageSkia(); |
| |
| if (!icon.isNull()) { |
| if (!enabled) |
| icon = gfx::ImageSkiaOperations::CreateTransparentImage(icon, .25); |
| |
| ThemeService* theme = |
| ThemeServiceFactory::GetForProfile(browser_->profile()); |
| |
| gfx::ImageSkia bg = *theme->GetImageSkiaNamed(IDR_BROWSER_ACTION); |
| SetImage(views::Button::STATE_NORMAL, |
| gfx::ImageSkiaOperations::CreateSuperimposedImage(bg, icon)); |
| } |
| |
| SetTooltipText(view_controller_->GetTooltip(web_contents)); |
| SetAccessibleName(view_controller_->GetAccessibleName(web_contents)); |
| |
| Layout(); // We need to layout since we may have added an icon as a result. |
| SchedulePaint(); |
| } |
| |
| void ToolbarActionView::Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) { |
| DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type); |
| UpdateState(); |
| } |
| |
| bool ToolbarActionView::Activate() { |
| if (!view_controller_->HasPopup(GetCurrentWebContents())) |
| return true; |
| |
| view_controller_->ExecuteAction(true); |
| |
| // TODO(erikkay): Run a nested modal loop while the mouse is down to |
| // enable menu-like drag-select behavior. |
| |
| // The return value of this method is returned via OnMousePressed. |
| // We need to return false here since we're handing off focus to another |
| // widget/view, and true will grab it right back and try to send events |
| // to us. |
| return false; |
| } |
| |
| bool ToolbarActionView::OnMousePressed(const ui::MouseEvent& event) { |
| if (!event.IsRightMouseButton()) { |
| return view_controller_->HasPopup(GetCurrentWebContents()) ? |
| MenuButton::OnMousePressed(event) : LabelButton::OnMousePressed(event); |
| } |
| return false; |
| } |
| |
| void ToolbarActionView::OnMouseReleased(const ui::MouseEvent& event) { |
| if (view_controller_->HasPopup(GetCurrentWebContents()) || |
| view_controller_->IsMenuRunning()) { |
| // TODO(erikkay) this never actually gets called (probably because of the |
| // loss of focus). |
| MenuButton::OnMouseReleased(event); |
| } else { |
| LabelButton::OnMouseReleased(event); |
| } |
| } |
| |
| void ToolbarActionView::OnMouseExited(const ui::MouseEvent& event) { |
| if (view_controller_->HasPopup(GetCurrentWebContents()) || |
| view_controller_->IsMenuRunning()) |
| MenuButton::OnMouseExited(event); |
| else |
| LabelButton::OnMouseExited(event); |
| } |
| |
| bool ToolbarActionView::OnKeyReleased(const ui::KeyEvent& event) { |
| return view_controller_->HasPopup(GetCurrentWebContents()) ? |
| MenuButton::OnKeyReleased(event) : LabelButton::OnKeyReleased(event); |
| } |
| |
| void ToolbarActionView::OnGestureEvent(ui::GestureEvent* event) { |
| if (view_controller_->HasPopup(GetCurrentWebContents())) |
| MenuButton::OnGestureEvent(event); |
| else |
| LabelButton::OnGestureEvent(event); |
| } |
| |
| scoped_ptr<LabelButtonBorder> ToolbarActionView::CreateDefaultBorder() const { |
| scoped_ptr<LabelButtonBorder> border = LabelButton::CreateDefaultBorder(); |
| border->set_insets(gfx::Insets(kBorderInset, kBorderInset, |
| kBorderInset, kBorderInset)); |
| return border.Pass(); |
| } |
| |
| gfx::ImageSkia ToolbarActionView::GetIconForTest() { |
| return GetImage(views::Button::STATE_NORMAL); |
| } |
| |
| views::View* ToolbarActionView::GetAsView() { |
| return this; |
| } |
| |
| bool ToolbarActionView::IsShownInMenu() { |
| return delegate_->ShownInsideMenu(); |
| } |
| |
| views::FocusManager* ToolbarActionView::GetFocusManagerForAccelerator() { |
| return GetFocusManager(); |
| } |
| |
| views::Widget* ToolbarActionView::GetParentForContextMenu() { |
| // RunMenuAt expects a nested menu to be parented by the same widget as the |
| // already visible menu, in this case the Chrome menu. |
| return delegate_->ShownInsideMenu() ? |
| BrowserView::GetBrowserViewForBrowser(browser_) |
| ->toolbar()->app_menu()->GetWidget() : |
| GetWidget(); |
| } |
| |
| ToolbarActionViewController* |
| ToolbarActionView::GetPreferredPopupViewController() { |
| return delegate_->ShownInsideMenu() ? |
| delegate_->GetMainViewForAction(this)->view_controller() : |
| view_controller(); |
| } |
| |
| views::View* ToolbarActionView::GetReferenceViewForPopup() { |
| // Browser actions in the overflow menu can still show popups, so we may need |
| // a reference view other than this button's parent. If so, use the overflow |
| // view. |
| return visible() ? this : delegate_->GetOverflowReferenceView(); |
| } |
| |
| views::MenuButton* ToolbarActionView::GetContextMenuButton() { |
| DCHECK(visible()); // We should never show a context menu for a hidden item. |
| return this; |
| } |
| |
| content::WebContents* ToolbarActionView::GetCurrentWebContents() const { |
| return delegate_->GetCurrentWebContents(); |
| } |
| |
| void ToolbarActionView::HideActivePopup() { |
| delegate_->HideActivePopup(); |
| } |
| |
| void ToolbarActionView::OnPopupShown(bool grant_tab_permissions) { |
| delegate_->SetPopupOwner(this); |
| // If this was through direct user action, we press the menu button. |
| if (grant_tab_permissions) { |
| // We set the state of the menu button we're using as a reference view, |
| // which is either this or the overflow reference view. |
| // This cast is safe because GetReferenceViewForPopup returns either |this| |
| // or delegate_->GetOverflowReferenceView(), which returns a MenuButton. |
| views::MenuButton* reference_view = |
| static_cast<views::MenuButton*>(GetReferenceViewForPopup()); |
| pressed_lock_.reset(new views::MenuButton::PressedLock(reference_view)); |
| } |
| } |
| |
| void ToolbarActionView::CleanupPopup() { |
| // We need to do these actions synchronously (instead of closing and then |
| // performing the rest of the cleanup in OnWidgetDestroyed()) because |
| // OnWidgetDestroyed() can be called asynchronously from Close(), and we need |
| // to keep the delegate's popup owner up-to-date. |
| delegate_->SetPopupOwner(NULL); |
| pressed_lock_.reset(); // Unpress the menu button if it was pressed. |
| } |