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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/accessible_view_helper.h"
#include "app/l10n_util.h"
#include "chrome/browser/accessibility_events.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/views/accessibility_event_router_views.h"
#include "chrome/common/notification_service.h"
#include "views/controls/native/native_view_host.h"
#include "views/widget/widget.h"
#include "views/view.h"
AccessibleViewHelper::AccessibleViewHelper(
views::View* view_tree, Profile* profile)
: accessibility_event_router_(AccessibilityEventRouterViews::GetInstance()),
profile_(profile),
view_tree_(view_tree) {
if (!accessibility_event_router_->AddViewTree(view_tree_, profile))
view_tree_ = NULL;
#if defined(OS_LINUX)
GtkWidget* widget = view_tree->GetWidget()->GetNativeView();
widget_helper_.reset(new AccessibleWidgetHelper(widget, profile));
#endif
}
AccessibleViewHelper::~AccessibleViewHelper() {
if (!window_title_.empty()) {
AccessibilityWindowInfo info(profile_, window_title_);
NotificationService::current()->Notify(
NotificationType::ACCESSIBILITY_WINDOW_CLOSED,
Source<Profile>(profile_),
Details<AccessibilityWindowInfo>(&info));
}
if (view_tree_) {
accessibility_event_router_->RemoveViewTree(view_tree_);
for (std::vector<views::View*>::iterator iter = managed_views_.begin();
iter != managed_views_.end();
++iter) {
accessibility_event_router_->RemoveView(*iter);
}
}
}
void AccessibleViewHelper::SendOpenWindowNotification(
const std::string& window_title) {
window_title_ = window_title;
AccessibilityWindowInfo info(profile_, window_title);
NotificationService::current()->Notify(
NotificationType::ACCESSIBILITY_WINDOW_OPENED,
Source<Profile>(profile_),
Details<AccessibilityWindowInfo>(&info));
}
void AccessibleViewHelper::SetViewName(views::View* view, std::string name) {
if (!view_tree_)
return;
accessibility_event_router_->SetViewName(view, name);
managed_views_.push_back(view);
#if defined(OS_LINUX)
gfx::NativeView native_view = GetNativeView(view);
if (native_view)
widget_helper_->SetWidgetName(native_view, name);
#endif
}
void AccessibleViewHelper::SetViewName(views::View* view, int string_id) {
const std::string name = l10n_util::GetStringUTF8(string_id);
SetViewName(view, name);
}
gfx::NativeView AccessibleViewHelper::GetNativeView(views::View* view) const {
if (view->GetClassName() == views::NativeViewHost::kViewClassName)
return static_cast<views::NativeViewHost*>(view)->native_view();
for (int i = 0; i < view->GetChildViewCount(); i++) {
gfx::NativeView native_view = GetNativeView(view->GetChildViewAt(i));
if (native_view)
return native_view;
}
return NULL;
}
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