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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/panels/panel_mouse_watcher.h"
#include "chrome/browser/ui/panels/panel_manager.h"
PanelMouseWatcher::PanelMouseWatcher()
: bring_up_titlebar_(false), is_testing_mode_enabled_(false) {
}
PanelMouseWatcher::~PanelMouseWatcher() {
DCHECK(subscribers_.size() == 0);
}
void PanelMouseWatcher::AddSubscriber(NativePanel* native_panel) {
if (is_testing_mode_enabled_)
return;
if (subscribers_.count(native_panel) == 0) {
subscribers_.insert(native_panel);
DCHECK_LE(subscribers_.size(),
static_cast<size_t>(PanelManager::GetInstance()->num_panels()));
if (subscribers_.size() == 1)
Start();
}
}
void PanelMouseWatcher::RemoveSubscriber(NativePanel* native_panel) {
if (is_testing_mode_enabled_)
return;
DCHECK(subscribers_.count(native_panel) == 1);
subscribers_.erase(native_panel);
if (subscribers_.size() == 0)
Stop();
}
bool PanelMouseWatcher::IsSubscribed(NativePanel* native_panel) const {
return subscribers_.count(native_panel) != 0;
}
void PanelMouseWatcher::EnableTestingMode() {
is_testing_mode_enabled_ = true;
DCHECK(subscribers_.size() == 0);
}
void PanelMouseWatcher::HandleMouseMovement(
const gfx::Point& mouse_position) {
PanelManager* panel_manager = PanelManager::GetInstance();
bool bring_up_titlebar =
panel_manager->ShouldBringUpTitlebars(
mouse_position.x(), mouse_position.y());
if (bring_up_titlebar == bring_up_titlebar_)
return;
bring_up_titlebar_ = bring_up_titlebar;
panel_manager->BringUpOrDownTitlebars(bring_up_titlebar);
}
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