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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 "chrome/browser/ui/views/chrome_views_delegate.h"
#include "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/event_disposition.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/prefs/scoped_user_pref_update.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/views/accessibility/accessibility_event_router_views.h"
#include "chrome/common/pref_names.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/screen.h"
#include "ui/views/views_switches.h"
#include "ui/views/widget/native_widget.h"
#include "ui/views/widget/widget.h"
#if defined(OS_WIN)
#include "chrome/browser/app_icon_win.h"
#endif
#if defined(USE_AURA) && !defined(OS_CHROMEOS)
#include "ui/views/widget/native_widget_aura.h"
#include "ui/views/widget/desktop_native_widget_aura.h"
#endif
#if defined(USE_AURA)
#include "ui/views/widget/desktop_native_widget_helper_aura.h"
#endif
#if defined(USE_ASH)
#include "ash/shell.h"
#include "chrome/browser/ui/ash/ash_init.h"
#endif
namespace {
// If the given window has a profile associated with it, use that profile's
// preference service. Otherwise, store and retrieve the data from Local State.
// This function may return NULL if the necessary pref service has not yet
// been initialized.
// TODO(mirandac): This function will also separate windows by profile in a
// multi-profile environment.
PrefService* GetPrefsForWindow(const views::Widget* window) {
Profile* profile = reinterpret_cast<Profile*>(
window->GetNativeWindowProperty(Profile::kProfileKey));
if (!profile) {
// Use local state for windows that have no explicit profile.
return g_browser_process->local_state();
}
return profile->GetPrefs();
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
// ChromeViewsDelegate, views::ViewsDelegate implementation:
void ChromeViewsDelegate::SaveWindowPlacement(const views::Widget* window,
const std::string& window_name,
const gfx::Rect& bounds,
ui::WindowShowState show_state) {
PrefService* prefs = GetPrefsForWindow(window);
if (!prefs)
return;
DCHECK(prefs->FindPreference(window_name.c_str()));
DictionaryPrefUpdate update(prefs, window_name.c_str());
DictionaryValue* window_preferences = update.Get();
window_preferences->SetInteger("left", bounds.x());
window_preferences->SetInteger("top", bounds.y());
window_preferences->SetInteger("right", bounds.right());
window_preferences->SetInteger("bottom", bounds.bottom());
window_preferences->SetBoolean("maximized",
show_state == ui::SHOW_STATE_MAXIMIZED);
gfx::Rect work_area(gfx::Screen::GetScreenFor(window->GetNativeView())->
GetDisplayMatching(bounds).work_area());
window_preferences->SetInteger("work_area_left", work_area.x());
window_preferences->SetInteger("work_area_top", work_area.y());
window_preferences->SetInteger("work_area_right", work_area.right());
window_preferences->SetInteger("work_area_bottom", work_area.bottom());
}
bool ChromeViewsDelegate::GetSavedWindowPlacement(
const std::string& window_name,
gfx::Rect* bounds,
ui::WindowShowState* show_state) const {
PrefService* prefs = g_browser_process->local_state();
if (!prefs)
return false;
DCHECK(prefs->FindPreference(window_name.c_str()));
const DictionaryValue* dictionary = prefs->GetDictionary(window_name.c_str());
int left, top, right, bottom;
if (!dictionary || !dictionary->GetInteger("left", &left) ||
!dictionary->GetInteger("top", &top) ||
!dictionary->GetInteger("right", &right) ||
!dictionary->GetInteger("bottom", &bottom))
return false;
bounds->SetRect(left, top, right - left, bottom - top);
bool maximized = false;
if (dictionary)
dictionary->GetBoolean("maximized", &maximized);
*show_state = maximized ? ui::SHOW_STATE_MAXIMIZED : ui::SHOW_STATE_NORMAL;
return true;
}
void ChromeViewsDelegate::NotifyAccessibilityEvent(
views::View* view, ui::AccessibilityTypes::Event event_type) {
AccessibilityEventRouterViews::GetInstance()->HandleAccessibilityEvent(
view, event_type);
}
void ChromeViewsDelegate::NotifyMenuItemFocused(const string16& menu_name,
const string16& menu_item_name,
int item_index,
int item_count,
bool has_submenu) {
AccessibilityEventRouterViews::GetInstance()->HandleMenuItemFocused(
menu_name, menu_item_name, item_index, item_count, has_submenu);
}
#if defined(OS_WIN)
HICON ChromeViewsDelegate::GetDefaultWindowIcon() const {
return GetAppIcon();
}
#endif
views::NonClientFrameView* ChromeViewsDelegate::CreateDefaultNonClientFrameView(
views::Widget* widget) {
#if defined(USE_ASH)
return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
#else
return NULL;
#endif
}
bool ChromeViewsDelegate::UseTransparentWindows() const {
#if defined(USE_ASH)
// Ash uses transparent window frames above.
return !CommandLine::ForCurrentProcess()->HasSwitch(
views::switches::kDesktopAura);
#else
return false;
#endif
}
void ChromeViewsDelegate::AddRef() {
g_browser_process->AddRefModule();
}
void ChromeViewsDelegate::ReleaseRef() {
g_browser_process->ReleaseModule();
}
int ChromeViewsDelegate::GetDispositionForEvent(int event_flags) {
return chrome::DispositionFromEventFlags(event_flags);
}
#if defined(USE_AURA)
views::NativeWidgetHelperAura* ChromeViewsDelegate::CreateNativeWidgetHelper(
views::NativeWidgetAura* native_widget) {
#if !defined(OS_CHROMEOS) && !defined(OS_WIN)
// TODO(erg): get rid of this, it's interfering with desktop-aura.
return new views::DesktopNativeWidgetHelperAura(native_widget);
#else
return NULL;
#endif
}
#endif
content::WebContents* ChromeViewsDelegate::CreateWebContents(
content::BrowserContext* browser_context,
content::SiteInstance* site_instance) {
return NULL;
}
views::NativeWidget* ChromeViewsDelegate::CreateNativeWidget(
views::Widget::InitParams::Type type,
views::internal::NativeWidgetDelegate* delegate,
gfx::NativeView parent) {
#if defined(USE_AURA) && !defined(OS_CHROMEOS)
if (parent && type != views::Widget::InitParams::TYPE_MENU)
return new views::NativeWidgetAura(delegate);
if (CommandLine::ForCurrentProcess()->HasSwitch(
views::switches::kDesktopAura))
return new views::DesktopNativeWidgetAura(delegate);
#endif
return NULL;
}
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