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// Copyright (c) 2010 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/views/extensions/browser_action_overflow_menu_controller.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/extensions/extension_context_menu_model.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/views/browser_actions_container.h"
#include "chrome/browser/views/extensions/browser_action_drag_data.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_action.h"
#include "gfx/canvas_skia.h"
#include "views/controls/menu/menu_item_view.h"
#include "views/controls/menu/menu_2.h"
BrowserActionOverflowMenuController::BrowserActionOverflowMenuController(
BrowserActionsContainer* owner,
views::MenuButton* menu_button,
const std::vector<BrowserActionView*>& views,
int start_index)
: owner_(owner),
observer_(NULL),
menu_button_(menu_button),
views_(&views),
start_index_(start_index),
for_drop_(false) {
menu_.reset(new views::MenuItemView(this));
menu_->set_has_icons(true);
size_t command_id = 1; // Menu id 0 is reserved, start with 1.
for (size_t i = start_index; i < views_->size(); ++i) {
BrowserActionView* view = (*views_)[i];
scoped_ptr<gfx::Canvas> canvas(view->GetIconWithBadge());
menu_->AppendMenuItemWithIcon(
command_id,
UTF8ToWide(view->button()->extension()->name()),
canvas->AsCanvasSkia()->ExtractBitmap());
// Set the tooltip for this item.
std::wstring tooltip = UTF8ToWide(
view->button()->extension()->browser_action()->GetTitle(
owner_->GetCurrentTabId()));
menu_->SetTooltip(tooltip, command_id);
++command_id;
}
}
BrowserActionOverflowMenuController::~BrowserActionOverflowMenuController() {
if (observer_)
observer_->NotifyMenuDeleted(this);
}
bool BrowserActionOverflowMenuController::RunMenu(gfx::NativeWindow window,
bool for_drop) {
for_drop_ = for_drop;
gfx::Rect bounds = menu_button_->GetBounds(
views::View::IGNORE_MIRRORING_TRANSFORMATION);
gfx::Point screen_loc;
views::View::ConvertPointToScreen(menu_button_, &screen_loc);
bounds.set_x(screen_loc.x());
bounds.set_y(screen_loc.y());
views::MenuItemView::AnchorPosition anchor = base::i18n::IsRTL() ?
views::MenuItemView::TOPLEFT : views::MenuItemView::TOPRIGHT;
if (for_drop) {
menu_->RunMenuForDropAt(window, bounds, anchor);
} else {
menu_->RunMenuAt(window, menu_button_, bounds, anchor, false);
// Give the context menu (if any) a chance to execute the user-selected
// command.
MessageLoop::current()->DeleteSoon(FROM_HERE, this);
}
return true;
}
void BrowserActionOverflowMenuController::CancelMenu() {
menu_->Cancel();
}
void BrowserActionOverflowMenuController::ExecuteCommand(int id) {
BrowserActionView* view = (*views_)[start_index_ + id - 1];
owner_->OnBrowserActionExecuted(view->button(),
false); // inspect_with_devtools
}
bool BrowserActionOverflowMenuController::ShowContextMenu(
views::MenuItemView* source,
int id,
const gfx::Point& p,
bool is_mouse_gesture) {
context_menu_contents_ = new ExtensionContextMenuModel(
(*views_)[start_index_ + id - 1]->button()->extension(),
owner_->browser(),
owner_);
context_menu_menu_.reset(new views::Menu2(context_menu_contents_.get()));
// This blocks until the user choses something or dismisses the menu.
context_menu_menu_->RunContextMenuAt(p);
// The user is done with the context menu, so we can close the underlying
// menu.
menu_->Cancel();
return true;
}
void BrowserActionOverflowMenuController::DropMenuClosed(
views::MenuItemView* menu) {
delete this;
}
bool BrowserActionOverflowMenuController::GetDropFormats(
views::MenuItemView* menu,
int* formats,
std::set<OSExchangeData::CustomFormat>* custom_formats) {
custom_formats->insert(BrowserActionDragData::GetBrowserActionCustomFormat());
return true;
}
bool BrowserActionOverflowMenuController::AreDropTypesRequired(
views::MenuItemView* menu) {
return true;
}
bool BrowserActionOverflowMenuController::CanDrop(
views::MenuItemView* menu, const OSExchangeData& data) {
BrowserActionDragData drop_data;
if (!drop_data.Read(data))
return false;
return drop_data.IsFromProfile(owner_->profile());
}
int BrowserActionOverflowMenuController::GetDropOperation(
views::MenuItemView* item,
const views::DropTargetEvent& event,
DropPosition* position) {
// Don't allow dropping from the BrowserActionContainer into slot 0 of the
// overflow menu since once the move has taken place the item you are dragging
// falls right out of the menu again once the user releases the button
// (because we don't shrink the BrowserActionContainer when you do this).
if ((item->GetCommand() == 0) && (*position == DROP_BEFORE)) {
BrowserActionDragData drop_data;
if (!drop_data.Read(event.GetData()))
return DragDropTypes::DRAG_NONE;
if (drop_data.index() < owner_->VisibleBrowserActions())
return DragDropTypes::DRAG_NONE;
}
return DragDropTypes::DRAG_MOVE;
}
int BrowserActionOverflowMenuController::OnPerformDrop(
views::MenuItemView* menu,
DropPosition position,
const views::DropTargetEvent& event) {
BrowserActionDragData drop_data;
if (!drop_data.Read(event.GetData()))
return DragDropTypes::DRAG_NONE;
size_t drop_index;
ViewForId(menu->GetCommand(), &drop_index);
// When not dragging within the overflow menu (dragging an icon into the menu)
// subtract one to get the right index.
if (position == DROP_BEFORE &&
drop_data.index() < owner_->VisibleBrowserActions())
--drop_index;
owner_->MoveBrowserAction(drop_data.id(), drop_index);
if (for_drop_)
delete this;
return DragDropTypes::DRAG_MOVE;
}
bool BrowserActionOverflowMenuController::CanDrag(views::MenuItemView* menu) {
return true;
}
void BrowserActionOverflowMenuController::WriteDragData(
views::MenuItemView* sender, OSExchangeData* data) {
size_t drag_index;
BrowserActionView* view = ViewForId(sender->GetCommand(), &drag_index);
std::string id = view->button()->extension()->id();
BrowserActionDragData drag_data(id, drag_index);
drag_data.Write(owner_->profile(), data);
}
int BrowserActionOverflowMenuController::GetDragOperations(
views::MenuItemView* sender) {
return DragDropTypes::DRAG_MOVE;
}
BrowserActionView* BrowserActionOverflowMenuController::ViewForId(
int id, size_t* index) {
// The index of the view being dragged (GetCommand gives a 1-based index into
// the overflow menu).
size_t view_index = owner_->VisibleBrowserActions() + id - 1;
if (index)
*index = view_index;
return owner_->GetBrowserActionViewAt(view_index);
}
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