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// Copyright (c) 2009 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/bookmarks/bookmark_menu_controller.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "chrome/browser/bookmarks/bookmark_drag_data.h"
#include "chrome/browser/bookmarks/bookmark_utils.h"
#include "chrome/browser/metrics/user_metrics.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/tab_contents/page_navigator.h"
#include "chrome/browser/views/event_utils.h"
#include "chrome/common/os_exchange_data.h"
#include "chrome/common/page_transition_types.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
BookmarkMenuController::BookmarkMenuController(Browser* browser,
Profile* profile,
PageNavigator* navigator,
HWND hwnd,
BookmarkNode* node,
int start_child_index,
bool show_other_folder)
: browser_(browser),
profile_(profile),
page_navigator_(navigator),
hwnd_(hwnd),
node_(node),
observer_(NULL),
for_drop_(false),
show_other_folder_(show_other_folder) {
menu_.reset(new views::MenuItemView(this));
int next_menu_id = 1;
menu_id_to_node_map_[menu_->GetCommand()] = node;
menu_->set_has_icons(true);
BuildMenu(node, start_child_index, menu_.get(), &next_menu_id);
if (show_other_folder)
BuildOtherFolderMenu(&next_menu_id);
}
void BookmarkMenuController::RunMenuAt(
const gfx::Rect& bounds,
views::MenuItemView::AnchorPosition position,
bool for_drop) {
for_drop_ = for_drop;
profile_->GetBookmarkModel()->AddObserver(this);
if (for_drop) {
menu_->RunMenuForDropAt(hwnd_, bounds, position);
} else {
menu_->RunMenuAt(hwnd_, bounds, position, false);
delete this;
}
}
void BookmarkMenuController::Cancel() {
menu_->Cancel();
}
bool BookmarkMenuController::IsTriggerableEvent(const views::MouseEvent& e) {
return event_utils::IsPossibleDispositionEvent(e);
}
void BookmarkMenuController::ExecuteCommand(int id, int mouse_event_flags) {
DCHECK(page_navigator_);
DCHECK(menu_id_to_node_map_.find(id) != menu_id_to_node_map_.end());
GURL url = menu_id_to_node_map_[id]->GetURL();
page_navigator_->OpenURL(
url, GURL(), event_utils::DispositionFromEventFlags(mouse_event_flags),
PageTransition::AUTO_BOOKMARK);
}
bool BookmarkMenuController::CanDrop(views::MenuItemView* menu,
const OSExchangeData& data) {
// Only accept drops of 1 node, which is the case for all data dragged from
// bookmark bar and menus.
if (!drop_data_.Read(data) || drop_data_.elements.size() != 1)
return false;
if (drop_data_.has_single_url())
return true;
BookmarkNode* drag_node = drop_data_.GetFirstNode(profile_);
if (!drag_node) {
// Dragging a group from another profile, always accept.
return true;
}
// Drag originated from same profile and is not a URL. Only accept it if
// the dragged node is not a parent of the node menu represents.
BookmarkNode* drop_node = menu_id_to_node_map_[menu->GetCommand()];
DCHECK(drop_node);
BookmarkNode* node = drop_node;
while (drop_node && drop_node != drag_node)
drop_node = drop_node->GetParent();
return (drop_node == NULL);
}
int BookmarkMenuController::GetDropOperation(
views::MenuItemView* item,
const views::DropTargetEvent& event,
DropPosition* position) {
// Should only get here if we have drop data.
DCHECK(drop_data_.is_valid());
BookmarkNode* node = menu_id_to_node_map_[item->GetCommand()];
BookmarkNode* drop_parent = node->GetParent();
int index_to_drop_at = drop_parent->IndexOfChild(node);
if (*position == DROP_AFTER) {
if (node == profile_->GetBookmarkModel()->other_node()) {
// The other folder is shown after all bookmarks on the bookmark bar.
// Dropping after the other folder makes no sense.
*position = DROP_NONE;
}
index_to_drop_at++;
} else if (*position == DROP_ON) {
drop_parent = node;
index_to_drop_at = node->GetChildCount();
}
DCHECK(drop_parent);
return bookmark_utils::BookmarkDropOperation(
profile_, event, drop_data_, drop_parent, index_to_drop_at);
}
int BookmarkMenuController::OnPerformDrop(views::MenuItemView* menu,
DropPosition position,
const views::DropTargetEvent& event) {
BookmarkNode* drop_node = menu_id_to_node_map_[menu->GetCommand()];
DCHECK(drop_node);
BookmarkModel* model = profile_->GetBookmarkModel();
DCHECK(model);
BookmarkNode* drop_parent = drop_node->GetParent();
DCHECK(drop_parent);
int index_to_drop_at = drop_parent->IndexOfChild(drop_node);
if (position == DROP_AFTER) {
index_to_drop_at++;
} else if (position == DROP_ON) {
DCHECK(drop_node->is_folder());
drop_parent = drop_node;
index_to_drop_at = drop_node->GetChildCount();
}
int result = bookmark_utils::PerformBookmarkDrop(
profile_, drop_data_, drop_parent, index_to_drop_at);
if (for_drop_)
delete this;
return result;
}
bool BookmarkMenuController::ShowContextMenu(views::MenuItemView* source,
int id,
int x,
int y,
bool is_mouse_gesture) {
DCHECK(menu_id_to_node_map_.find(id) != menu_id_to_node_map_.end());
std::vector<BookmarkNode*> nodes;
nodes.push_back(menu_id_to_node_map_[id]);
context_menu_.reset(
new BookmarkContextMenu(hwnd_,
profile_,
browser_,
page_navigator_,
nodes[0]->GetParent(),
nodes,
BookmarkContextMenu::BOOKMARK_BAR));
context_menu_->RunMenuAt(x, y);
context_menu_.reset(NULL);
return true;
}
void BookmarkMenuController::DropMenuClosed(views::MenuItemView* menu) {
delete this;
}
bool BookmarkMenuController::CanDrag(views::MenuItemView* menu) {
BookmarkNode* node = menu_id_to_node_map_[menu->GetCommand()];
// Don't let users drag the other folder.
return node->GetParent() != profile_->GetBookmarkModel()->root_node();
}
void BookmarkMenuController::WriteDragData(views::MenuItemView* sender,
OSExchangeData* data) {
DCHECK(sender && data);
UserMetrics::RecordAction(L"BookmarkBar_DragFromFolder", profile_);
BookmarkDragData drag_data(menu_id_to_node_map_[sender->GetCommand()]);
drag_data.Write(profile_, data);
}
int BookmarkMenuController::GetDragOperations(views::MenuItemView* sender) {
return bookmark_utils::BookmarkDragOperation(
menu_id_to_node_map_[sender->GetCommand()]);
}
void BookmarkMenuController::BookmarkModelChanged() {
menu_->Cancel();
}
void BookmarkMenuController::BookmarkNodeFavIconLoaded(BookmarkModel* model,
BookmarkNode* node) {
if (node_to_menu_id_map_.find(node) != node_to_menu_id_map_.end())
menu_->SetIcon(node->GetFavIcon(), node_to_menu_id_map_[node]);
}
void BookmarkMenuController::BuildOtherFolderMenu(int* next_menu_id) {
BookmarkNode* other_folder = profile_->GetBookmarkModel()->other_node();
int id = *next_menu_id;
(*next_menu_id)++;
SkBitmap* folder_icon = ResourceBundle::GetSharedInstance().
GetBitmapNamed(IDR_BOOKMARK_BAR_FOLDER);
views::MenuItemView* submenu = menu_->AppendSubMenuWithIcon(
id, l10n_util::GetString(IDS_BOOMARK_BAR_OTHER_BOOKMARKED), *folder_icon);
BuildMenu(other_folder, 0, submenu, next_menu_id);
menu_id_to_node_map_[id] = other_folder;
}
void BookmarkMenuController::BuildMenu(BookmarkNode* parent,
int start_child_index,
views::MenuItemView* menu,
int* next_menu_id) {
DCHECK(!parent->GetChildCount() ||
start_child_index < parent->GetChildCount());
for (int i = start_child_index; i < parent->GetChildCount(); ++i) {
BookmarkNode* node = parent->GetChild(i);
int id = *next_menu_id;
(*next_menu_id)++;
if (node->is_url()) {
SkBitmap icon = node->GetFavIcon();
if (icon.width() == 0) {
icon = *ResourceBundle::GetSharedInstance().
GetBitmapNamed(IDR_DEFAULT_FAVICON);
}
menu->AppendMenuItemWithIcon(id, node->GetTitle(), icon);
node_to_menu_id_map_[node] = id;
} else if (node->is_folder()) {
SkBitmap* folder_icon = ResourceBundle::GetSharedInstance().
GetBitmapNamed(IDR_BOOKMARK_BAR_FOLDER);
views::MenuItemView* submenu =
menu->AppendSubMenuWithIcon(id, node->GetTitle(), *folder_icon);
BuildMenu(node, 0, submenu, next_menu_id);
} else {
NOTREACHED();
}
menu_id_to_node_map_[id] = node;
}
}
BookmarkMenuController::~BookmarkMenuController() {
profile_->GetBookmarkModel()->RemoveObserver(this);
if (observer_)
observer_->BookmarkMenuDeleted(this);
}
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