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// 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/gtk/bookmark_sub_menu_model_gtk.h"
#include "base/stl_util.h"
#include "base/string16.h"
#include "base/utf_string_conversions.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#include "chrome/browser/event_disposition.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h"
#include "chrome/browser/ui/gtk/menu_gtk.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
// Per chrome/app/chrome_command_ids.h, values < 4000 are for "dynamic menu
// items". We only use one command id for all the bookmarks, because we handle
// bookmark item activations directly. So we pick a suitably large random value
// and use that to avoid accidental conflicts with other dynamic items.
static const int kBookmarkItemCommandId = 1759;
BookmarkNodeMenuModel::BookmarkNodeMenuModel(
ui::SimpleMenuModel::Delegate* delegate,
BookmarkModel* model,
const BookmarkNode* node,
PageNavigator* page_navigator)
: SimpleMenuModel(delegate),
model_(model),
node_(node),
page_navigator_(page_navigator) {
DCHECK(page_navigator_);
}
BookmarkNodeMenuModel::~BookmarkNodeMenuModel() {
Clear();
}
void BookmarkNodeMenuModel::Clear() {
SimpleMenuModel::Clear();
STLDeleteElements(&submenus_);
}
void BookmarkNodeMenuModel::MenuWillShow() {
Clear();
PopulateMenu();
}
void BookmarkNodeMenuModel::MenuClosed() {
Clear();
}
void BookmarkNodeMenuModel::ActivatedAt(int index) {
NavigateToMenuItem(index, CURRENT_TAB);
}
void BookmarkNodeMenuModel::ActivatedAt(int index, int event_flags) {
NavigateToMenuItem(index, browser::DispositionFromEventFlags(event_flags));
}
void BookmarkNodeMenuModel::PopulateMenu() {
DCHECK(submenus_.empty());
for (int i = 0; i < node_->child_count(); ++i) {
const BookmarkNode* child = node_->GetChild(i);
if (child->is_folder()) {
AddSubMenuForNode(child);
} else {
// Ironically the label will end up getting converted back to UTF8 later.
const string16 label =
UTF8ToUTF16(bookmark_utils::BuildMenuLabelFor(child));
// No command id. We override ActivatedAt below to handle activations.
AddItem(kBookmarkItemCommandId, label);
const SkBitmap& node_icon = model_->GetFavicon(child);
if (node_icon.width() > 0)
SetIcon(GetItemCount() - 1, node_icon);
// TODO(mdm): set up an observer to watch for icon load events and set
// the icons in response.
}
}
}
void BookmarkNodeMenuModel::AddSubMenuForNode(const BookmarkNode* node) {
DCHECK(node->is_folder());
// Ironically the label will end up getting converted back to UTF8 later.
const string16 label = UTF8ToUTF16(bookmark_utils::BuildMenuLabelFor(node));
// Don't pass in the delegate, if any. Bookmark submenus don't need one.
BookmarkNodeMenuModel* submenu =
new BookmarkNodeMenuModel(NULL, model_, node, page_navigator_);
// No command id. Nothing happens if you click on the submenu itself.
AddSubMenu(kBookmarkItemCommandId, label, submenu);
submenus_.push_back(submenu);
}
void BookmarkNodeMenuModel::NavigateToMenuItem(
int index,
WindowOpenDisposition disposition) {
const BookmarkNode* node = node_->GetChild(index);
DCHECK(node);
page_navigator_->OpenURL(OpenURLParams(
node->url(), GURL(), disposition,
content::PAGE_TRANSITION_AUTO_BOOKMARK,
false)); // is_renderer_initiated
}
BookmarkSubMenuModel::BookmarkSubMenuModel(
ui::SimpleMenuModel::Delegate* delegate,
Browser* browser)
: BookmarkNodeMenuModel(delegate, NULL, NULL, browser),
browser_(browser),
fixed_items_(0),
bookmark_end_(0),
menu_(NULL) {
}
BookmarkSubMenuModel::~BookmarkSubMenuModel() {
if (model())
model()->RemoveObserver(this);
}
void BookmarkSubMenuModel::BookmarkModelChanged() {
if (menu_)
menu_->Cancel();
}
void BookmarkSubMenuModel::BookmarkModelBeingDeleted(
BookmarkModel* model) {
set_model(NULL);
// All our submenus will still have pointers to the model, but this call
// should force the menu to close, which will cause them to be deleted.
BookmarkModelChanged();
}
void BookmarkSubMenuModel::MenuWillShow() {
Clear();
AddCheckItemWithStringId(IDC_SHOW_BOOKMARK_BAR, IDS_SHOW_BOOKMARK_BAR);
AddItemWithStringId(IDC_SHOW_BOOKMARK_MANAGER, IDS_BOOKMARK_MANAGER);
AddItemWithStringId(IDC_IMPORT_SETTINGS, IDS_IMPORT_SETTINGS_MENU_LABEL);
fixed_items_ = bookmark_end_ = GetItemCount();
if (!model()) {
set_model(browser_->profile()->GetBookmarkModel());
if (!model())
return;
model()->AddObserver(this);
}
// The node count includes the node itself, so 1 means empty.
if (model()->bookmark_bar_node()->GetTotalNodeCount() > 1) {
AddSeparator();
fixed_items_ = GetItemCount();
if (!node())
set_node(model()->bookmark_bar_node());
// PopulateMenu() won't clear the items we added above.
PopulateMenu();
}
bookmark_end_ = GetItemCount();
if (model()->other_node()->GetTotalNodeCount() > 1) {
AddSeparator();
AddSubMenuForNode(model()->other_node());
}
}
void BookmarkSubMenuModel::ActivatedAt(int index) {
// Because this is also overridden in BookmarkNodeMenuModel which doesn't know
// we might be prepending items, we have to adjust the index for it.
if (index >= fixed_items_ && index < bookmark_end_)
BookmarkNodeMenuModel::ActivatedAt(index - fixed_items_);
else
SimpleMenuModel::ActivatedAt(index);
}
void BookmarkSubMenuModel::ActivatedAt(int index, int event_flags) {
// Because this is also overridden in BookmarkNodeMenuModel which doesn't know
// we might be prepending items, we have to adjust the index for it.
if (index >= fixed_items_ && index < bookmark_end_)
BookmarkNodeMenuModel::ActivatedAt(index - fixed_items_, event_flags);
else
SimpleMenuModel::ActivatedAt(index, event_flags);
}
bool BookmarkSubMenuModel::IsEnabledAt(int index) const {
// We don't want the delegate interfering with bookmark items.
return index >= fixed_items_ || SimpleMenuModel::IsEnabledAt(index);
}
bool BookmarkSubMenuModel::IsVisibleAt(int index) const {
// We don't want the delegate interfering with bookmark items.
return index >= fixed_items_ || SimpleMenuModel::IsVisibleAt(index);
}
// static
bool BookmarkSubMenuModel::IsBookmarkItemCommandId(int command_id) {
return command_id == kBookmarkItemCommandId;
}
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