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// Copyright (c) 2012 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/widget/tooltip_manager_aura.h"
#include "base/logging.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/screen.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/public/tooltip_client.h"
namespace views {
// static
int TooltipManager::GetTooltipHeight() {
// Not used for linux and chromeos.
NOTIMPLEMENTED();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
// TooltipManagerAura public:
TooltipManagerAura::TooltipManagerAura(Widget* widget) : widget_(widget) {
aura::client::SetTooltipText(GetWindow(), &tooltip_text_);
}
TooltipManagerAura::~TooltipManagerAura() {
aura::client::SetTooltipText(GetWindow(), NULL);
}
// static
const gfx::FontList& TooltipManagerAura::GetDefaultFontList() {
return ui::ResourceBundle::GetSharedInstance().GetFontList(
ui::ResourceBundle::BaseFont);
}
// static
void TooltipManagerAura::UpdateTooltipManagerForCapture(Widget* source) {
if (!source->HasCapture())
return;
aura::Window* root_window = source->GetNativeView()->GetRootWindow();
if (!root_window)
return;
gfx::Point screen_loc(
root_window->GetHost()->dispatcher()->GetLastMouseLocationInRoot());
aura::client::ScreenPositionClient* screen_position_client =
aura::client::GetScreenPositionClient(root_window);
if (!screen_position_client)
return;
screen_position_client->ConvertPointToScreen(root_window, &screen_loc);
gfx::Screen* screen = gfx::Screen::GetScreenFor(root_window);
aura::Window* target = screen->GetWindowAtScreenPoint(screen_loc);
if (!target)
return;
gfx::Point target_loc(screen_loc);
screen_position_client =
aura::client::GetScreenPositionClient(target->GetRootWindow());
if (!screen_position_client)
return;
screen_position_client->ConvertPointFromScreen(target, &target_loc);
target = target->GetEventHandlerForPoint(target_loc);
while (target) {
Widget* target_widget = Widget::GetWidgetForNativeView(target);
if (target_widget == source)
return;
if (target_widget) {
if (target_widget->GetTooltipManager())
target_widget->GetTooltipManager()->UpdateTooltip();
return;
}
target = target->parent();
}
}
////////////////////////////////////////////////////////////////////////////////
// TooltipManagerAura, TooltipManager implementation:
const gfx::FontList& TooltipManagerAura::GetFontList() const {
return GetDefaultFontList();
}
void TooltipManagerAura::UpdateTooltip() {
aura::Window* root_window = GetWindow()->GetRootWindow();
if (aura::client::GetTooltipClient(root_window)) {
gfx::Point view_point =
root_window->GetHost()->dispatcher()->GetLastMouseLocationInRoot();
aura::Window::ConvertPointToTarget(root_window, GetWindow(), &view_point);
View* view = GetViewUnderPoint(view_point);
UpdateTooltipForTarget(view, view_point, root_window);
}
}
void TooltipManagerAura::TooltipTextChanged(View* view) {
aura::Window* root_window = GetWindow()->GetRootWindow();
if (aura::client::GetTooltipClient(root_window)) {
gfx::Point view_point =
root_window->GetHost()->dispatcher()->GetLastMouseLocationInRoot();
aura::Window::ConvertPointToTarget(root_window, GetWindow(), &view_point);
View* target = GetViewUnderPoint(view_point);
if (target != view)
return;
UpdateTooltipForTarget(view, view_point, root_window);
}
}
View* TooltipManagerAura::GetViewUnderPoint(const gfx::Point& point) {
View* root_view = widget_->GetRootView();
if (root_view)
return root_view->GetTooltipHandlerForPoint(point);
return NULL;
}
void TooltipManagerAura::UpdateTooltipForTarget(View* target,
const gfx::Point& point,
aura::Window* root_window) {
if (target) {
gfx::Point view_point = point;
View::ConvertPointFromWidget(target, &view_point);
base::string16 new_tooltip_text;
if (!target->GetTooltipText(view_point, &new_tooltip_text))
tooltip_text_.clear();
else
tooltip_text_ = new_tooltip_text;
} else {
tooltip_text_.clear();
}
aura::client::SetTooltipId(GetWindow(), target);
aura::client::GetTooltipClient(root_window)->UpdateTooltip(GetWindow());
}
aura::Window* TooltipManagerAura::GetWindow() {
return widget_->GetNativeView();
}
} // namespace views.
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