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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 <memory>
#include "base/logging.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_window_state.h"
#include "components/keep_alive_registry/keep_alive_types.h"
#include "components/keep_alive_registry/scoped_keep_alive.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/context_factory.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/widget/widget.h"
#if defined(USE_AURA)
#include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
#endif
// Helpers --------------------------------------------------------------------
namespace {
Profile* GetProfileForWindow(const views::Widget* window) {
if (!window)
return NULL;
return reinterpret_cast<Profile*>(
window->GetNativeWindowProperty(Profile::kProfileKey));
}
// 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 = GetProfileForWindow(window);
if (!profile) {
// Use local state for windows that have no explicit profile.
return g_browser_process->local_state();
}
return profile->GetPrefs();
}
} // namespace
// ChromeViewsDelegate --------------------------------------------------------
ChromeViewsDelegate::ChromeViewsDelegate() {}
ChromeViewsDelegate::~ChromeViewsDelegate() {
DCHECK_EQ(0u, ref_count_);
}
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;
std::unique_ptr<DictionaryPrefUpdate> pref_update =
chrome::GetWindowPlacementDictionaryReadWrite(window_name, prefs);
base::DictionaryValue* window_preferences = pref_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(display::Screen::GetScreen()
->GetDisplayNearestView(window->GetNativeView())
.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 views::Widget* widget,
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));
const base::DictionaryValue* dictionary = prefs->GetDictionary(window_name);
int left = 0;
int top = 0;
int right = 0;
int bottom = 0;
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;
#if defined(OS_CHROMEOS)
AdjustSavedWindowPlacementChromeOS(widget, bounds);
#endif
return true;
}
void ChromeViewsDelegate::NotifyAccessibilityEvent(
views::View* view,
ax::mojom::Event event_type) {
#if defined(USE_AURA)
AutomationManagerAura::GetInstance()->HandleEvent(
GetProfileForWindow(view->GetWidget()), view, event_type);
#endif
}
void ChromeViewsDelegate::AddRef() {
if (ref_count_ == 0u) {
keep_alive_.reset(
new ScopedKeepAlive(KeepAliveOrigin::CHROME_VIEWS_DELEGATE,
KeepAliveRestartOption::DISABLED));
}
++ref_count_;
}
void ChromeViewsDelegate::ReleaseRef() {
DCHECK_NE(0u, ref_count_);
if (--ref_count_ == 0u)
keep_alive_.reset();
}
void ChromeViewsDelegate::OnBeforeWidgetInit(
views::Widget::InitParams* params,
views::internal::NativeWidgetDelegate* delegate) {
// We need to determine opacity if it's not already specified.
if (params->opacity == views::Widget::InitParams::INFER_OPACITY)
params->opacity = GetOpacityForInitParams(*params);
// If we already have a native_widget, we don't have to try to come
// up with one.
if (params->native_widget)
return;
if (!native_widget_factory().is_null()) {
params->native_widget = native_widget_factory().Run(*params, delegate);
if (params->native_widget)
return;
}
params->native_widget = CreateNativeWidget(params, delegate);
}
ui::ContextFactory* ChromeViewsDelegate::GetContextFactory() {
return content::GetContextFactory();
}
ui::ContextFactoryPrivate* ChromeViewsDelegate::GetContextFactoryPrivate() {
return content::GetContextFactoryPrivate();
}
std::string ChromeViewsDelegate::GetApplicationName() {
return version_info::GetProductName();
}
#if !defined(OS_CHROMEOS)
views::Widget::InitParams::WindowOpacity
ChromeViewsDelegate::GetOpacityForInitParams(
const views::Widget::InitParams& params) {
return views::Widget::InitParams::OPAQUE_WINDOW;
}
#endif
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