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// Copyright 2014 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/apps/chrome_native_app_window_views_win.h"
#include "apps/ui/views/app_window_frame_view.h"
#include "ash/shell.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/sequenced_worker_pool.h"
#include "chrome/browser/apps/per_app_settings_service.h"
#include "chrome/browser/apps/per_app_settings_service_factory.h"
#include "chrome/browser/metro_utils/metro_chrome_win.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/ui/views/apps/app_window_desktop_native_widget_aura_win.h"
#include "chrome/browser/ui/views/apps/glass_app_window_frame_view_win.h"
#include "chrome/browser/web_applications/web_app.h"
#include "chrome/browser/web_applications/web_app_win.h"
#include "chrome/common/chrome_icon_resources_win.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "extensions/common/extension.h"
#include "ui/aura/remote_window_tree_host_win.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/win/shell.h"
#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
#include "ui/views/win/hwnd_util.h"
ChromeNativeAppWindowViewsWin::ChromeNativeAppWindowViewsWin()
: glass_frame_view_(NULL), is_translucent_(false), weak_ptr_factory_(this) {
}
ChromeNativeAppWindowViewsWin::~ChromeNativeAppWindowViewsWin() {
}
void ChromeNativeAppWindowViewsWin::ActivateParentDesktopIfNecessary() {
// Only switching into Ash from Native is supported. Tearing the user out of
// Metro mode can only be done by launching a process from Metro mode itself.
// This is done for launching apps, but not regular activations.
if (IsRunningInAsh() &&
chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_NATIVE) {
chrome::ActivateMetroChrome();
}
}
HWND ChromeNativeAppWindowViewsWin::GetNativeAppWindowHWND() const {
return views::HWNDForWidget(widget()->GetTopLevelWidget());
}
bool ChromeNativeAppWindowViewsWin::IsRunningInAsh() {
if (!ash::Shell::HasInstance())
return false;
views::Widget* widget = GetWidget();
chrome::HostDesktopType host_desktop_type =
chrome::GetHostDesktopTypeForNativeWindow(widget->GetNativeWindow());
return host_desktop_type == chrome::HOST_DESKTOP_TYPE_ASH;
}
void ChromeNativeAppWindowViewsWin::EnsureCaptionStyleSet() {
// Windows seems to have issues maximizing windows without WS_CAPTION.
// The default views / Aura implementation will remove this if we are using
// frameless or colored windows, so we put it back here.
HWND hwnd = GetNativeAppWindowHWND();
int current_style = ::GetWindowLong(hwnd, GWL_STYLE);
::SetWindowLong(hwnd, GWL_STYLE, current_style | WS_CAPTION);
}
void ChromeNativeAppWindowViewsWin::OnBeforeWidgetInit(
const extensions::AppWindow::CreateParams& create_params,
views::Widget::InitParams* init_params,
views::Widget* widget) {
ChromeNativeAppWindowViewsAura::OnBeforeWidgetInit(create_params, init_params,
widget);
content::BrowserContext* browser_context = app_window()->browser_context();
std::string extension_id = app_window()->extension_id();
// If an app has any existing windows, ensure new ones are created on the
// same desktop.
extensions::AppWindow* any_existing_window =
extensions::AppWindowRegistry::Get(browser_context)
->GetCurrentAppWindowForApp(extension_id);
chrome::HostDesktopType desktop_type;
if (any_existing_window) {
desktop_type = chrome::GetHostDesktopTypeForNativeWindow(
any_existing_window->GetNativeWindow());
} else {
PerAppSettingsService* settings =
PerAppSettingsServiceFactory::GetForBrowserContext(browser_context);
if (settings->HasDesktopLastLaunchedFrom(extension_id)) {
desktop_type = settings->GetDesktopLastLaunchedFrom(extension_id);
} else {
// We don't know what desktop this app was last launched from, so take our
// best guess as to what desktop the user is on.
desktop_type = chrome::GetActiveDesktop();
}
}
if (desktop_type == chrome::HOST_DESKTOP_TYPE_ASH)
init_params->context = ash::Shell::GetPrimaryRootWindow();
else
init_params->native_widget = new AppWindowDesktopNativeWidgetAuraWin(this);
is_translucent_ =
init_params->opacity == views::Widget::InitParams::TRANSLUCENT_WINDOW;
}
void ChromeNativeAppWindowViewsWin::InitializeDefaultWindow(
const extensions::AppWindow::CreateParams& create_params) {
ChromeNativeAppWindowViewsAura::InitializeDefaultWindow(create_params);
// Remaining initialization is for Windows shell integration, which doesn't
// apply to app windows in Ash.
if (IsRunningInAsh())
return;
const extensions::Extension* extension = app_window()->GetExtension();
if (!extension)
return;
std::string app_name =
web_app::GenerateApplicationNameFromExtensionId(extension->id());
base::string16 app_name_wide = base::UTF8ToWide(app_name);
HWND hwnd = GetNativeAppWindowHWND();
Profile* profile =
Profile::FromBrowserContext(app_window()->browser_context());
app_model_id_ =
ShellIntegration::GetAppModelIdForProfile(app_name_wide,
profile->GetPath());
ui::win::SetAppIdForWindow(app_model_id_, hwnd);
web_app::UpdateRelaunchDetailsForApp(profile, extension, hwnd);
if (!create_params.alpha_enabled)
EnsureCaptionStyleSet();
}
views::NonClientFrameView*
ChromeNativeAppWindowViewsWin::CreateStandardDesktopAppFrame() {
glass_frame_view_ = NULL;
if (ui::win::IsAeroGlassEnabled()) {
glass_frame_view_ = new GlassAppWindowFrameViewWin(this, widget());
return glass_frame_view_;
}
return ChromeNativeAppWindowViewsAura::CreateStandardDesktopAppFrame();
}
void ChromeNativeAppWindowViewsWin::Show() {
ActivateParentDesktopIfNecessary();
ChromeNativeAppWindowViewsAura::Show();
}
void ChromeNativeAppWindowViewsWin::Activate() {
ActivateParentDesktopIfNecessary();
ChromeNativeAppWindowViewsAura::Activate();
}
bool ChromeNativeAppWindowViewsWin::CanMinimize() const {
// Resizing on Windows breaks translucency if the window also has shape.
// See http://crbug.com/417947.
return ChromeNativeAppWindowViewsAura::CanMinimize() &&
!(WidgetHasHitTestMask() && is_translucent_);
}
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