Compact Navigation prototype

chrome/browser/ui/views/compact_nav/compact_options_bar.cc

+// Copyright (c) 2011 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/compact_nav/compact_options_bar.h"
+
+#include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/ui/toolbar/wrench_menu_model.h"
+#include "chrome/browser/ui/view_ids.h"
+#include "chrome/browser/ui/views/event_utils.h"
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/toolbar_view.h"
+#include "chrome/browser/ui/views/wrench_menu.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/canvas.h"
+#include "views/controls/button/menu_button.h"
+
+namespace {
+const int kPreferredHeight = 25;
+// Pad the left and right ends from other tabstrip region items.
+const int kEndPadding = 3;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CompactOptionsBar public:
+
+CompactOptionsBar::CompactOptionsBar(BrowserView* browser_view)
+    : browser_view_(browser_view),
+      initialized_(false),
+      app_menu_(NULL) {
+}
+
+CompactOptionsBar::~CompactOptionsBar() {
+}
+
+void CompactOptionsBar::Init() {
+  DCHECK(!initialized_);
+  initialized_ = true;
+
+  wrench_menu_model_.reset(new WrenchMenuModel(this, browser_view_->browser()));
+
+  app_menu_ = new views::MenuButton(NULL, std::wstring(), this, false);
+  app_menu_->set_border(NULL);
+  app_menu_->EnableCanvasFlippingForRTLUI(true);
+  app_menu_->SetAccessibleName(l10n_util::GetStringUTF16(IDS_ACCNAME_APP));
+  app_menu_->SetTooltipText(UTF16ToWide(l10n_util::GetStringFUTF16(
+      IDS_APPMENU_TOOLTIP,
+      l10n_util::GetStringUTF16(IDS_PRODUCT_NAME))));
+  app_menu_->SetID(VIEW_ID_APP_MENU);
+  AddChildView(app_menu_);
+
+  LoadImages();
+}
+
+void CompactOptionsBar::AddMenuListener(views::MenuListener* listener) {
+  menu_listeners_.push_back(listener);
+}
+
+void CompactOptionsBar::RemoveMenuListener(views::MenuListener* listener) {
+  for (std::vector<views::MenuListener*>::iterator i(menu_listeners_.begin());
+       i != menu_listeners_.end(); ++i) {
+    if (*i == listener) {
+      menu_listeners_.erase(i);
+      return;
+    }
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CompactOptionsBar, views::View overrides:
+
+gfx::Size CompactOptionsBar::GetPreferredSize() {
+  int width = kEndPadding * 2 + app_menu_->GetPreferredSize().width();
+  // TODO(stevet): Add the width of the browser actions container here when that
+  // is added to the bar.
+  return gfx::Size(width, kPreferredHeight);
+}
+
+void CompactOptionsBar::Layout() {
+  if (!initialized_)
+    return;
+
+  gfx::Size button_size = app_menu_->GetPreferredSize();
+  app_menu_->SetBounds(kEndPadding, 0, button_size.width(), height());
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CompactOptionsBar, views::MenuDelegate implementation:
+
+void CompactOptionsBar::RunMenu(views::View* source,
+                                const gfx::Point& /* pt */) {
+  DCHECK_EQ(VIEW_ID_APP_MENU, source->GetID());
+
+  wrench_menu_ = new WrenchMenu(browser_view_->browser());
+  wrench_menu_->Init(wrench_menu_model_.get());
+
+  for (size_t i = 0; i < menu_listeners_.size(); ++i)
+    menu_listeners_[i]->OnMenuOpened();
+
+  // Note that this might be destroyed while the menu is running.
+  wrench_menu_->RunMenu(app_menu_);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CompactOptionsBar, ui::AcceleratorProvider implementation:
+
+bool CompactOptionsBar::GetAcceleratorForCommandId(int command_id,
+    ui::Accelerator* accelerator) {
+  // TODO(stevet): Can we share ToolbarView's implementation? It's exactly the
+  // same so far.
+  // The standard Ctrl-X, Ctrl-V and Ctrl-C are not defined as accelerators
+  // anywhere so we need to check for them explicitly here.
+  // TODO(cpu) Bug 1109102. Query WebKit land for the actual bindings.
+  switch (command_id) {
+    case IDC_CUT:
+      *accelerator = views::Accelerator(ui::VKEY_X, false, true, false);
+      return true;
+    case IDC_COPY:
+      *accelerator = views::Accelerator(ui::VKEY_C, false, true, false);
+      return true;
+    case IDC_PASTE:
+      *accelerator = views::Accelerator(ui::VKEY_V, false, true, false);
+      return true;
+  }
+  // Else, we retrieve the accelerator information from the frame.
+  return GetWidget()->GetAccelerator(command_id, accelerator);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CompactOptionsBar, views::ButtonListener implementation.
+
+void CompactOptionsBar::ButtonPressed(views::Button* sender,
+                                      const views::Event& event) {
+  browser_view_->browser()->ExecuteCommandWithDisposition(
+      sender->tag(),
+      event_utils::DispositionFromEventFlags(sender->mouse_event_flags()));
+}
+
+void CompactOptionsBar::LoadImages() {
+  // Reuse the resources loaded for the Toolbar's AppMenu.
+  DCHECK(browser_view_->toolbar());
+  app_menu_->SetIcon(browser_view_->toolbar()->GetAppMenuIcon(
+      views::CustomButton::BS_NORMAL));
+  app_menu_->SetHoverIcon(browser_view_->toolbar()->GetAppMenuIcon(
+      views::CustomButton::BS_HOT));
+  app_menu_->SetPushedIcon(browser_view_->toolbar()->GetAppMenuIcon(
+      views::CustomButton::BS_PUSHED));
+}