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// Copyright (c) 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 "ui/views/touchui/touch_editing_menu.h"
#include "base/strings/utf_string_conversions.h"
#include "grit/ui_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/insets.h"
#include "ui/gfx/text_utils.h"
#include "ui/views/bubble/bubble_border.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/button/custom_button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/label_button_border.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/widget/widget.h"
namespace {
const int kMenuCommands[] = {IDS_APP_CUT,
IDS_APP_COPY,
IDS_APP_PASTE};
const int kSpacingBetweenButtons = 2;
const int kButtonSeparatorColor = SkColorSetARGB(13, 0, 0, 0);
const int kMenuButtonHeight = 38;
const int kMenuButtonWidth = 63;
const int kMenuMargin = 1;
const char* kEllipsesButtonText = "...";
const int kEllipsesButtonTag = -1;
} // namespace
namespace views {
TouchEditingMenuView::TouchEditingMenuView(
TouchEditingMenuController* controller,
const gfx::Rect& anchor_rect,
const gfx::Size& handle_image_size,
gfx::NativeView context)
: BubbleDelegateView(NULL, views::BubbleBorder::BOTTOM_CENTER),
controller_(controller) {
set_shadow(views::BubbleBorder::SMALL_SHADOW);
set_parent_window(context);
set_margins(gfx::Insets(kMenuMargin, kMenuMargin, kMenuMargin, kMenuMargin));
set_use_focusless(true);
set_adjust_if_offscreen(true);
SetLayoutManager(new BoxLayout(BoxLayout::kHorizontal, 0, 0,
kSpacingBetweenButtons));
CreateButtons();
// After buttons are created, check if there is enough room between handles to
// show the menu and adjust anchor rect properly if needed, just in case the
// menu is needed to be shown under the selection.
gfx::Rect adjusted_anchor_rect(anchor_rect);
int menu_width = GetPreferredSize().width();
if (menu_width > anchor_rect.width() - handle_image_size.width())
adjusted_anchor_rect.Inset(0, 0, 0, -handle_image_size.height());
SetAnchorRect(adjusted_anchor_rect);
views::BubbleDelegateView::CreateBubble(this);
GetWidget()->Show();
}
TouchEditingMenuView::~TouchEditingMenuView() {
}
// static
TouchEditingMenuView* TouchEditingMenuView::Create(
TouchEditingMenuController* controller,
const gfx::Rect& anchor_rect,
const gfx::Size& handle_image_size,
gfx::NativeView context) {
if (controller) {
for (size_t i = 0; i < arraysize(kMenuCommands); i++) {
if (controller->IsCommandIdEnabled(kMenuCommands[i])) {
return new TouchEditingMenuView(controller, anchor_rect,
handle_image_size, context);
}
}
}
return NULL;
}
void TouchEditingMenuView::Close() {
if (GetWidget()) {
controller_ = NULL;
GetWidget()->Close();
}
}
void TouchEditingMenuView::WindowClosing() {
views::BubbleDelegateView::WindowClosing();
if (controller_)
controller_->OnMenuClosed(this);
}
void TouchEditingMenuView::ButtonPressed(Button* sender,
const ui::Event& event) {
if (controller_) {
if (sender->tag() != kEllipsesButtonTag)
controller_->ExecuteCommand(sender->tag(), event.flags());
else
controller_->OpenContextMenu();
}
}
void TouchEditingMenuView::OnPaint(gfx::Canvas* canvas) {
BubbleDelegateView::OnPaint(canvas);
// Draw separator bars.
for (int i = 0; i < child_count() - 1; ++i) {
View* child = child_at(i);
int x = child->bounds().right() + kSpacingBetweenButtons / 2;
canvas->FillRect(gfx::Rect(x, 0, 1, child->height()),
kButtonSeparatorColor);
}
}
void TouchEditingMenuView::CreateButtons() {
RemoveAllChildViews(true);
for (size_t i = 0; i < arraysize(kMenuCommands); i++) {
int command_id = kMenuCommands[i];
if (controller_ && controller_->IsCommandIdEnabled(command_id)) {
Button* button = CreateButton(l10n_util::GetStringUTF16(command_id),
command_id);
AddChildView(button);
}
}
// Finally, add ellipses button.
AddChildView(CreateButton(
base::UTF8ToUTF16(kEllipsesButtonText), kEllipsesButtonTag));
Layout();
}
Button* TouchEditingMenuView::CreateButton(const base::string16& title,
int tag) {
base::string16 label = gfx::RemoveAcceleratorChar(title, '&', NULL, NULL);
LabelButton* button = new LabelButton(this, label);
button->SetFocusable(true);
button->set_request_focus_on_press(false);
const gfx::FontList& font_list =
ui::ResourceBundle::GetSharedInstance().GetFontList(
ui::ResourceBundle::SmallFont);
scoped_ptr<LabelButtonBorder> button_border(
new LabelButtonBorder(button->style()));
int v_border = (kMenuButtonHeight - font_list.GetHeight()) / 2;
int h_border = (kMenuButtonWidth - gfx::GetStringWidth(label, font_list)) / 2;
button_border->set_insets(
gfx::Insets(v_border, h_border, v_border, h_border));
button->SetBorder(button_border.PassAs<Border>());
button->SetFontList(font_list);
button->set_tag(tag);
return button;
}
} // namespace views
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