Revert of Rename BrowserActionView to ToolbarActionView

chrome/browser/ui/views/toolbar/browser_action_view.cc

+// 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/browser_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
+
+////////////////////////////////////////////////////////////////////////////////
+// BrowserActionView
+
+BrowserActionView::BrowserActionView(
+    scoped_ptr<ToolbarActionViewController> view_controller,
+    Browser* browser,
+    BrowserActionView::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();
+}
+
+BrowserActionView::~BrowserActionView() {
+}
+
+void BrowserActionView::ViewHierarchyChanged(
+    const ViewHierarchyChangedDetails& details) {
+  if (details.is_add && !called_register_command_ && GetFocusManager()) {
+    view_controller_->RegisterCommand();
+    called_register_command_ = true;
+  }
+
+  MenuButton::ViewHierarchyChanged(details);
+}
+
+void BrowserActionView::OnDragDone() {
+  delegate_->OnBrowserActionViewDragDone();
+}
+
+gfx::Size BrowserActionView::GetPreferredSize() const {
+  return gfx::Size(BrowserActionsContainer::IconWidth(false),
+                   BrowserActionsContainer::IconHeight());
+}
+
+void BrowserActionView::PaintChildren(gfx::Canvas* canvas,
+                                      const views::CullSet& cull_set) {
+  View::PaintChildren(canvas, cull_set);
+  view_controller_->PaintExtra(
+      canvas, GetLocalBounds(), GetCurrentWebContents());
+}
+
+void BrowserActionView::GetAccessibleState(ui::AXViewState* state) {
+  views::MenuButton::GetAccessibleState(state);
+  state->role = ui::AX_ROLE_BUTTON;
+}
+
+void BrowserActionView::ButtonPressed(views::Button* sender,
+                                      const ui::Event& event) {
+  view_controller_->ExecuteAction(true);
+}
+
+void BrowserActionView::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 BrowserActionView::Observe(int type,
+                                const content::NotificationSource& source,
+                                const content::NotificationDetails& details) {
+  DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
+  UpdateState();
+}
+
+bool BrowserActionView::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 BrowserActionView::OnMousePressed(const ui::MouseEvent& event) {
+  if (!event.IsRightMouseButton()) {
+    return view_controller_->HasPopup(GetCurrentWebContents()) ?
+        MenuButton::OnMousePressed(event) : LabelButton::OnMousePressed(event);
+  }
+  return false;
+}
+
+void BrowserActionView::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 BrowserActionView::OnMouseExited(const ui::MouseEvent& event) {
+  if (view_controller_->HasPopup(GetCurrentWebContents()) ||
+      view_controller_->IsMenuRunning())
+    MenuButton::OnMouseExited(event);
+  else
+    LabelButton::OnMouseExited(event);
+}
+
+bool BrowserActionView::OnKeyReleased(const ui::KeyEvent& event) {
+  return view_controller_->HasPopup(GetCurrentWebContents()) ?
+      MenuButton::OnKeyReleased(event) : LabelButton::OnKeyReleased(event);
+}
+
+void BrowserActionView::OnGestureEvent(ui::GestureEvent* event) {
+  if (view_controller_->HasPopup(GetCurrentWebContents()))
+    MenuButton::OnGestureEvent(event);
+  else
+    LabelButton::OnGestureEvent(event);
+}
+
+scoped_ptr<LabelButtonBorder> BrowserActionView::CreateDefaultBorder() const {
+  scoped_ptr<LabelButtonBorder> border = LabelButton::CreateDefaultBorder();
+  border->set_insets(gfx::Insets(kBorderInset, kBorderInset,
+                                 kBorderInset, kBorderInset));
+  return border.Pass();
+}
+
+gfx::ImageSkia BrowserActionView::GetIconForTest() {
+  return GetImage(views::Button::STATE_NORMAL);
+}
+
+void BrowserActionView::OnIconUpdated() {
+  UpdateState();
+}
+
+views::View* BrowserActionView::GetAsView() {
+  return this;
+}
+
+bool BrowserActionView::IsShownInMenu() {
+  return delegate_->ShownInsideMenu();
+}
+
+views::FocusManager* BrowserActionView::GetFocusManagerForAccelerator() {
+  return GetFocusManager();
+}
+
+views::Widget* BrowserActionView::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*
+BrowserActionView::GetPreferredPopupViewController() {
+  return delegate_->ShownInsideMenu() ?
+      delegate_->GetMainViewForAction(this)->view_controller() :
+      view_controller();
+}
+
+views::View* BrowserActionView::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* BrowserActionView::GetContextMenuButton() {
+  DCHECK(visible());  // We should never show a context menu for a hidden item.
+  return this;
+}
+
+content::WebContents* BrowserActionView::GetCurrentWebContents() const {
+  return delegate_->GetCurrentWebContents();
+}
+
+void BrowserActionView::HideActivePopup() {
+  delegate_->HideActivePopup();
+}
+
+void BrowserActionView::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 BrowserActionView::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.
+}