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app_window.cc
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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 "apps/app_window.h"
#include <algorithm>
#include <string>
#include <vector>
#include "apps/app_window_geometry_cache.h"
#include "apps/app_window_registry.h"
#include "apps/apps_client.h"
#include "apps/size_constraints.h"
#include "apps/ui/native_app_window.h"
#include "apps/ui/web_contents_sizer.h"
#include "base/command_line.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
#include "chrome/browser/extensions/suggest_permission_util.h"
#include "chrome/common/chrome_switches.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/invalidate_type.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/resource_dispatcher_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/media_stream_request.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/view_type_utils.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_messages.h"
#include "extensions/common/manifest_handlers/icons_handler.h"
#include "extensions/common/permissions/permissions_data.h"
#include "grit/theme_resources.h"
#include "third_party/skia/include/core/SkRegion.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/screen.h"
#if !defined(OS_MACOSX)
#include "apps/pref_names.h"
#include "base/prefs/pref_service.h"
#endif
using content::BrowserContext;
using content::ConsoleMessageLevel;
using content::WebContents;
using extensions::APIPermission;
using web_modal::WebContentsModalDialogHost;
using web_modal::WebContentsModalDialogManager;
namespace apps {
namespace {
const int kDefaultWidth = 512;
const int kDefaultHeight = 384;
bool IsFullscreen(int fullscreen_types) {
return fullscreen_types != apps::AppWindow::FULLSCREEN_TYPE_NONE;
}
void SetConstraintProperty(const std::string& name,
int value,
base::DictionaryValue* bounds_properties) {
if (value != SizeConstraints::kUnboundedSize)
bounds_properties->SetInteger(name, value);
else
bounds_properties->Set(name, base::Value::CreateNullValue());
}
void SetBoundsProperties(const gfx::Rect& bounds,
const gfx::Size& min_size,
const gfx::Size& max_size,
const std::string& bounds_name,
base::DictionaryValue* window_properties) {
scoped_ptr<base::DictionaryValue> bounds_properties(
new base::DictionaryValue());
bounds_properties->SetInteger("left", bounds.x());
bounds_properties->SetInteger("top", bounds.y());
bounds_properties->SetInteger("width", bounds.width());
bounds_properties->SetInteger("height", bounds.height());
SetConstraintProperty("minWidth", min_size.width(), bounds_properties.get());
SetConstraintProperty(
"minHeight", min_size.height(), bounds_properties.get());
SetConstraintProperty("maxWidth", max_size.width(), bounds_properties.get());
SetConstraintProperty(
"maxHeight", max_size.height(), bounds_properties.get());
window_properties->Set(bounds_name, bounds_properties.release());
}
// Combines the constraints of the content and window, and returns constraints
// for the window.
gfx::Size GetCombinedWindowConstraints(const gfx::Size& window_constraints,
const gfx::Size& content_constraints,
const gfx::Insets& frame_insets) {
gfx::Size combined_constraints(window_constraints);
if (content_constraints.width() > 0) {
combined_constraints.set_width(
content_constraints.width() + frame_insets.width());
}
if (content_constraints.height() > 0) {
combined_constraints.set_height(
content_constraints.height() + frame_insets.height());
}
return combined_constraints;
}
// Combines the constraints of the content and window, and returns constraints
// for the content.
gfx::Size GetCombinedContentConstraints(const gfx::Size& window_constraints,
const gfx::Size& content_constraints,
const gfx::Insets& frame_insets) {
gfx::Size combined_constraints(content_constraints);
if (window_constraints.width() > 0) {
combined_constraints.set_width(
std::max(0, window_constraints.width() - frame_insets.width()));
}
if (window_constraints.height() > 0) {
combined_constraints.set_height(
std::max(0, window_constraints.height() - frame_insets.height()));
}
return combined_constraints;
}
} // namespace
// AppWindow::BoundsSpecification
const int AppWindow::BoundsSpecification::kUnspecifiedPosition = INT_MIN;
AppWindow::BoundsSpecification::BoundsSpecification()
: bounds(kUnspecifiedPosition, kUnspecifiedPosition, 0, 0) {}
AppWindow::BoundsSpecification::~BoundsSpecification() {}
void AppWindow::BoundsSpecification::ResetBounds() {
bounds.SetRect(kUnspecifiedPosition, kUnspecifiedPosition, 0, 0);
}
// AppWindow::CreateParams
AppWindow::CreateParams::CreateParams()
: window_type(AppWindow::WINDOW_TYPE_DEFAULT),
frame(AppWindow::FRAME_CHROME),
has_frame_color(false),
active_frame_color(SK_ColorBLACK),
inactive_frame_color(SK_ColorBLACK),
transparent_background(false),
creator_process_id(0),
state(ui::SHOW_STATE_DEFAULT),
hidden(false),
resizable(true),
focused(true),
always_on_top(false) {}
AppWindow::CreateParams::~CreateParams() {}
gfx::Rect AppWindow::CreateParams::GetInitialWindowBounds(
const gfx::Insets& frame_insets) const {
// Combine into a single window bounds.
gfx::Rect combined_bounds(window_spec.bounds);
if (content_spec.bounds.x() != BoundsSpecification::kUnspecifiedPosition)
combined_bounds.set_x(content_spec.bounds.x() - frame_insets.left());
if (content_spec.bounds.y() != BoundsSpecification::kUnspecifiedPosition)
combined_bounds.set_y(content_spec.bounds.y() - frame_insets.top());
if (content_spec.bounds.width() > 0) {
combined_bounds.set_width(
content_spec.bounds.width() + frame_insets.width());
}
if (content_spec.bounds.height() > 0) {
combined_bounds.set_height(
content_spec.bounds.height() + frame_insets.height());
}
// Constrain the bounds.
SizeConstraints constraints(
GetCombinedWindowConstraints(
window_spec.minimum_size, content_spec.minimum_size, frame_insets),
GetCombinedWindowConstraints(
window_spec.maximum_size, content_spec.maximum_size, frame_insets));
combined_bounds.set_size(constraints.ClampSize(combined_bounds.size()));
return combined_bounds;
}
gfx::Size AppWindow::CreateParams::GetContentMinimumSize(
const gfx::Insets& frame_insets) const {
return GetCombinedContentConstraints(window_spec.minimum_size,
content_spec.minimum_size,
frame_insets);
}
gfx::Size AppWindow::CreateParams::GetContentMaximumSize(
const gfx::Insets& frame_insets) const {
return GetCombinedContentConstraints(window_spec.maximum_size,
content_spec.maximum_size,
frame_insets);
}
gfx::Size AppWindow::CreateParams::GetWindowMinimumSize(
const gfx::Insets& frame_insets) const {
return GetCombinedWindowConstraints(window_spec.minimum_size,
content_spec.minimum_size,
frame_insets);
}
gfx::Size AppWindow::CreateParams::GetWindowMaximumSize(
const gfx::Insets& frame_insets) const {
return GetCombinedWindowConstraints(window_spec.maximum_size,
content_spec.maximum_size,
frame_insets);
}
// AppWindow::Delegate
AppWindow::Delegate::~Delegate() {}
// AppWindow
AppWindow::AppWindow(BrowserContext* context,
Delegate* delegate,
const extensions::Extension* extension)
: browser_context_(context),
extension_id_(extension->id()),
window_type_(WINDOW_TYPE_DEFAULT),
delegate_(delegate),
image_loader_ptr_factory_(this),
fullscreen_types_(FULLSCREEN_TYPE_NONE),
show_on_first_paint_(false),
first_paint_complete_(false),
has_been_shown_(false),
can_send_events_(false),
is_hidden_(false),
cached_always_on_top_(false),
requested_transparent_background_(false) {
extensions::ExtensionsBrowserClient* client =
extensions::ExtensionsBrowserClient::Get();
CHECK(!client->IsGuestSession(context) || context->IsOffTheRecord())
<< "Only off the record window may be opened in the guest mode.";
}
void AppWindow::Init(const GURL& url,
AppWindowContents* app_window_contents,
const CreateParams& params) {
// Initialize the render interface and web contents
app_window_contents_.reset(app_window_contents);
app_window_contents_->Initialize(browser_context(), url);
WebContents* web_contents = app_window_contents_->GetWebContents();
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableAppsShowOnFirstPaint)) {
content::WebContentsObserver::Observe(web_contents);
}
delegate_->InitWebContents(web_contents);
WebContentsModalDialogManager::CreateForWebContents(web_contents);
// TODO(jamescook): Delegate out this creation.
extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
web_contents);
web_contents->SetDelegate(this);
WebContentsModalDialogManager::FromWebContents(web_contents)
->SetDelegate(this);
extensions::SetViewType(web_contents, extensions::VIEW_TYPE_APP_WINDOW);
// Initialize the window
CreateParams new_params = LoadDefaults(params);
window_type_ = new_params.window_type;
window_key_ = new_params.window_key;
// Windows cannot be always-on-top in fullscreen mode for security reasons.
cached_always_on_top_ = new_params.always_on_top;
if (new_params.state == ui::SHOW_STATE_FULLSCREEN)
new_params.always_on_top = false;
requested_transparent_background_ = new_params.transparent_background;
native_app_window_.reset(delegate_->CreateNativeAppWindow(this, new_params));
popup_manager_.reset(
new web_modal::PopupManager(GetWebContentsModalDialogHost()));
popup_manager_->RegisterWith(web_contents);
// Prevent the browser process from shutting down while this window exists.
AppsClient::Get()->IncrementKeepAliveCount();
UpdateExtensionAppIcon();
AppWindowRegistry::Get(browser_context_)->AddAppWindow(this);
if (new_params.hidden) {
// Although the window starts hidden by default, calling Hide() here
// notifies observers of the window being hidden.
Hide();
} else {
// Panels are not activated by default.
Show(window_type_is_panel() || !new_params.focused ? SHOW_INACTIVE
: SHOW_ACTIVE);
}
if (new_params.state == ui::SHOW_STATE_FULLSCREEN)
Fullscreen();
else if (new_params.state == ui::SHOW_STATE_MAXIMIZED)
Maximize();
else if (new_params.state == ui::SHOW_STATE_MINIMIZED)
Minimize();
OnNativeWindowChanged();
// When the render view host is changed, the native window needs to know
// about it in case it has any setup to do to make the renderer appear
// properly. In particular, on Windows, the view's clickthrough region needs
// to be set.
extensions::ExtensionsBrowserClient* client =
extensions::ExtensionsBrowserClient::Get();
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
content::Source<content::BrowserContext>(
client->GetOriginalContext(browser_context_)));
// Close when the browser process is exiting.
registrar_.Add(this,
chrome::NOTIFICATION_APP_TERMINATING,
content::NotificationService::AllSources());
// Update the app menu if an ephemeral app becomes installed.
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_WILL_BE_INSTALLED_DEPRECATED,
content::Source<content::BrowserContext>(
client->GetOriginalContext(browser_context_)));
app_window_contents_->LoadContents(new_params.creator_process_id);
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableAppsShowOnFirstPaint)) {
// We want to show the window only when the content has been painted. For
// that to happen, we need to define a size for the content, otherwise the
// layout will happen in a 0x0 area.
gfx::Insets frame_insets = native_app_window_->GetFrameInsets();
gfx::Rect initial_bounds = new_params.GetInitialWindowBounds(frame_insets);
initial_bounds.Inset(frame_insets);
apps::ResizeWebContents(web_contents, initial_bounds.size());
}
}
AppWindow::~AppWindow() {
// Unregister now to prevent getting NOTIFICATION_APP_TERMINATING if we're the
// last window open.
registrar_.RemoveAll();
// Remove shutdown prevention.
AppsClient::Get()->DecrementKeepAliveCount();
}
void AppWindow::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) {
const extensions::Extension* extension = GetExtension();
if (!extension)
return;
delegate_->RequestMediaAccessPermission(
web_contents, request, callback, extension);
}
WebContents* AppWindow::OpenURLFromTab(WebContents* source,
const content::OpenURLParams& params) {
// Don't allow the current tab to be navigated. It would be nice to map all
// anchor tags (even those without target="_blank") to new tabs, but right
// now we can't distinguish between those and <meta> refreshes or window.href
// navigations, which we don't want to allow.
// TOOD(mihaip): Can we check for user gestures instead?
WindowOpenDisposition disposition = params.disposition;
if (disposition == CURRENT_TAB) {
AddMessageToDevToolsConsole(
content::CONSOLE_MESSAGE_LEVEL_ERROR,
base::StringPrintf(
"Can't open same-window link to \"%s\"; try target=\"_blank\".",
params.url.spec().c_str()));
return NULL;
}
// These dispositions aren't really navigations.
if (disposition == SUPPRESS_OPEN || disposition == SAVE_TO_DISK ||
disposition == IGNORE_ACTION) {
return NULL;
}
WebContents* contents =
delegate_->OpenURLFromTab(browser_context_, source, params);
if (!contents) {
AddMessageToDevToolsConsole(
content::CONSOLE_MESSAGE_LEVEL_ERROR,
base::StringPrintf(
"Can't navigate to \"%s\"; apps do not support navigation.",
params.url.spec().c_str()));
}
return contents;
}
void AppWindow::AddNewContents(WebContents* source,
WebContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture,
bool* was_blocked) {
DCHECK(new_contents->GetBrowserContext() == browser_context_);
delegate_->AddNewContents(browser_context_,
new_contents,
disposition,
initial_pos,
user_gesture,
was_blocked);
}
bool AppWindow::PreHandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) {
const extensions::Extension* extension = GetExtension();
if (!extension)
return false;
// Here, we can handle a key event before the content gets it. When we are
// fullscreen and it is not forced, we want to allow the user to leave
// when ESC is pressed.
// However, if the application has the "overrideEscFullscreen" permission, we
// should let it override that behavior.
// ::HandleKeyboardEvent() will only be called if the KeyEvent's default
// action is not prevented.
// Thus, we should handle the KeyEvent here only if the permission is not set.
if (event.windowsKeyCode == ui::VKEY_ESCAPE &&
(fullscreen_types_ != FULLSCREEN_TYPE_NONE) &&
((fullscreen_types_ & FULLSCREEN_TYPE_FORCED) == 0) &&
!extension->permissions_data()->HasAPIPermission(
APIPermission::kOverrideEscFullscreen)) {
Restore();
return true;
}
return false;
}
void AppWindow::HandleKeyboardEvent(
WebContents* source,
const content::NativeWebKeyboardEvent& event) {
// If the window is currently fullscreen and not forced, ESC should leave
// fullscreen. If this code is being called for ESC, that means that the
// KeyEvent's default behavior was not prevented by the content.
if (event.windowsKeyCode == ui::VKEY_ESCAPE &&
(fullscreen_types_ != FULLSCREEN_TYPE_NONE) &&
((fullscreen_types_ & FULLSCREEN_TYPE_FORCED) == 0)) {
Restore();
return;
}
native_app_window_->HandleKeyboardEvent(event);
}
void AppWindow::RequestToLockMouse(WebContents* web_contents,
bool user_gesture,
bool last_unlocked_by_target) {
const extensions::Extension* extension = GetExtension();
if (!extension)
return;
bool has_permission = IsExtensionWithPermissionOrSuggestInConsole(
APIPermission::kPointerLock,
extension,
web_contents->GetRenderViewHost());
web_contents->GotResponseToLockMouseRequest(has_permission);
}
bool AppWindow::PreHandleGestureEvent(WebContents* source,
const blink::WebGestureEvent& event) {
// Disable pinch zooming in app windows.
return event.type == blink::WebGestureEvent::GesturePinchBegin ||
event.type == blink::WebGestureEvent::GesturePinchUpdate ||
event.type == blink::WebGestureEvent::GesturePinchEnd;
}
void AppWindow::DidFirstVisuallyNonEmptyPaint() {
first_paint_complete_ = true;
if (show_on_first_paint_) {
DCHECK(delayed_show_type_ == SHOW_ACTIVE ||
delayed_show_type_ == SHOW_INACTIVE);
Show(delayed_show_type_);
}
}
void AppWindow::OnNativeClose() {
AppWindowRegistry::Get(browser_context_)->RemoveAppWindow(this);
if (app_window_contents_) {
WebContents* web_contents = app_window_contents_->GetWebContents();
WebContentsModalDialogManager::FromWebContents(web_contents)
->SetDelegate(NULL);
app_window_contents_->NativeWindowClosed();
}
delete this;
}
void AppWindow::OnNativeWindowChanged() {
SaveWindowPosition();
#if defined(OS_WIN)
if (native_app_window_ && cached_always_on_top_ &&
!IsFullscreen(fullscreen_types_) && !native_app_window_->IsMaximized() &&
!native_app_window_->IsMinimized()) {
UpdateNativeAlwaysOnTop();
}
#endif
if (app_window_contents_ && native_app_window_)
app_window_contents_->NativeWindowChanged(native_app_window_.get());
}
void AppWindow::OnNativeWindowActivated() {
AppWindowRegistry::Get(browser_context_)->AppWindowActivated(this);
}
content::WebContents* AppWindow::web_contents() const {
return app_window_contents_->GetWebContents();
}
const extensions::Extension* AppWindow::GetExtension() const {
return extensions::ExtensionRegistry::Get(browser_context_)
->enabled_extensions()
.GetByID(extension_id_);
}
NativeAppWindow* AppWindow::GetBaseWindow() { return native_app_window_.get(); }
gfx::NativeWindow AppWindow::GetNativeWindow() {
return GetBaseWindow()->GetNativeWindow();
}
gfx::Rect AppWindow::GetClientBounds() const {
gfx::Rect bounds = native_app_window_->GetBounds();
bounds.Inset(native_app_window_->GetFrameInsets());
return bounds;
}
base::string16 AppWindow::GetTitle() const {
const extensions::Extension* extension = GetExtension();
if (!extension)
return base::string16();
// WebContents::GetTitle() will return the page's URL if there's no <title>
// specified. However, we'd prefer to show the name of the extension in that
// case, so we directly inspect the NavigationEntry's title.
base::string16 title;
if (!web_contents() || !web_contents()->GetController().GetActiveEntry() ||
web_contents()->GetController().GetActiveEntry()->GetTitle().empty()) {
title = base::UTF8ToUTF16(extension->name());
} else {
title = web_contents()->GetTitle();
}
base::RemoveChars(title, base::ASCIIToUTF16("\n"), &title);
return title;
}
void AppWindow::SetAppIconUrl(const GURL& url) {
// If the same url is being used for the badge, ignore it.
if (url == badge_icon_url_)
return;
// Avoid using any previous icons that were being downloaded.
image_loader_ptr_factory_.InvalidateWeakPtrs();
// Reset |app_icon_image_| to abort pending image load (if any).
app_icon_image_.reset();
app_icon_url_ = url;
web_contents()->DownloadImage(
url,
true, // is a favicon
0, // no maximum size
base::Bind(&AppWindow::DidDownloadFavicon,
image_loader_ptr_factory_.GetWeakPtr()));
}
void AppWindow::SetBadgeIconUrl(const GURL& url) {
// Avoid using any previous icons that were being downloaded.
image_loader_ptr_factory_.InvalidateWeakPtrs();
// Reset |app_icon_image_| to abort pending image load (if any).
badge_icon_image_.reset();
badge_icon_url_ = url;
web_contents()->DownloadImage(
url,
true, // is a favicon
0, // no maximum size
base::Bind(&AppWindow::DidDownloadFavicon,
image_loader_ptr_factory_.GetWeakPtr()));
}
void AppWindow::ClearBadge() {
badge_icon_image_.reset();
badge_icon_url_ = GURL();
UpdateBadgeIcon(gfx::Image());
}
void AppWindow::UpdateShape(scoped_ptr<SkRegion> region) {
native_app_window_->UpdateShape(region.Pass());
}
void AppWindow::UpdateDraggableRegions(
const std::vector<extensions::DraggableRegion>& regions) {
native_app_window_->UpdateDraggableRegions(regions);
}
void AppWindow::UpdateAppIcon(const gfx::Image& image) {
if (image.IsEmpty())
return;
app_icon_ = image;
native_app_window_->UpdateWindowIcon();
AppWindowRegistry::Get(browser_context_)->AppWindowIconChanged(this);
}
void AppWindow::Fullscreen() {
#if !defined(OS_MACOSX)
// Do not enter fullscreen mode if disallowed by pref.
PrefService* prefs =
extensions::ExtensionsBrowserClient::Get()->GetPrefServiceForContext(
browser_context());
if (!prefs->GetBoolean(prefs::kAppFullscreenAllowed))
return;
#endif
fullscreen_types_ |= FULLSCREEN_TYPE_WINDOW_API;
SetNativeWindowFullscreen();
}
void AppWindow::Maximize() { GetBaseWindow()->Maximize(); }
void AppWindow::Minimize() { GetBaseWindow()->Minimize(); }
void AppWindow::Restore() {
if (IsFullscreen(fullscreen_types_)) {
fullscreen_types_ = FULLSCREEN_TYPE_NONE;
SetNativeWindowFullscreen();
} else {
GetBaseWindow()->Restore();
}
}
void AppWindow::OSFullscreen() {
#if !defined(OS_MACOSX)
// Do not enter fullscreen mode if disallowed by pref.
PrefService* prefs =
extensions::ExtensionsBrowserClient::Get()->GetPrefServiceForContext(
browser_context());
if (!prefs->GetBoolean(prefs::kAppFullscreenAllowed))
return;
#endif
fullscreen_types_ |= FULLSCREEN_TYPE_OS;
SetNativeWindowFullscreen();
}
void AppWindow::ForcedFullscreen() {
fullscreen_types_ |= FULLSCREEN_TYPE_FORCED;
SetNativeWindowFullscreen();
}
void AppWindow::SetContentSizeConstraints(const gfx::Size& min_size,
const gfx::Size& max_size) {
SizeConstraints constraints(min_size, max_size);
native_app_window_->SetContentSizeConstraints(constraints.GetMinimumSize(),
constraints.GetMaximumSize());
gfx::Rect bounds = GetClientBounds();
gfx::Size constrained_size = constraints.ClampSize(bounds.size());
if (bounds.size() != constrained_size) {
bounds.set_size(constrained_size);
bounds.Inset(-native_app_window_->GetFrameInsets());
native_app_window_->SetBounds(bounds);
}
OnNativeWindowChanged();
}
void AppWindow::Show(ShowType show_type) {
is_hidden_ = false;
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableAppsShowOnFirstPaint)) {
show_on_first_paint_ = true;
if (!first_paint_complete_) {
delayed_show_type_ = show_type;
return;
}
}
switch (show_type) {
case SHOW_ACTIVE:
GetBaseWindow()->Show();
break;
case SHOW_INACTIVE:
GetBaseWindow()->ShowInactive();
break;
}
AppWindowRegistry::Get(browser_context_)->AppWindowShown(this);
has_been_shown_ = true;
SendOnWindowShownIfShown();
}
void AppWindow::Hide() {
// This is there to prevent race conditions with Hide() being called before
// there was a non-empty paint. It should have no effect in a non-racy
// scenario where the application is hiding then showing a window: the second
// show will not be delayed.
is_hidden_ = true;
show_on_first_paint_ = false;
GetBaseWindow()->Hide();
AppWindowRegistry::Get(browser_context_)->AppWindowHidden(this);
}
void AppWindow::SetAlwaysOnTop(bool always_on_top) {
if (cached_always_on_top_ == always_on_top)
return;
cached_always_on_top_ = always_on_top;
// As a security measure, do not allow fullscreen windows or windows that
// overlap the taskbar to be on top. The property will be applied when the
// window exits fullscreen and moves away from the taskbar.
if (!IsFullscreen(fullscreen_types_) && !IntersectsWithTaskbar())
native_app_window_->SetAlwaysOnTop(always_on_top);
OnNativeWindowChanged();
}
bool AppWindow::IsAlwaysOnTop() const { return cached_always_on_top_; }
void AppWindow::WindowEventsReady() {
can_send_events_ = true;
SendOnWindowShownIfShown();
}
void AppWindow::GetSerializedState(base::DictionaryValue* properties) const {
DCHECK(properties);
properties->SetBoolean("fullscreen",
native_app_window_->IsFullscreenOrPending());
properties->SetBoolean("minimized", native_app_window_->IsMinimized());
properties->SetBoolean("maximized", native_app_window_->IsMaximized());
properties->SetBoolean("alwaysOnTop", IsAlwaysOnTop());
properties->SetBoolean("hasFrameColor", native_app_window_->HasFrameColor());
properties->SetBoolean("alphaEnabled",
requested_transparent_background_ &&
native_app_window_->CanHaveAlphaEnabled());
// These properties are undocumented and are to enable testing. Alpha is
// removed to
// make the values easier to check.
SkColor transparent_white = ~SK_ColorBLACK;
properties->SetInteger(
"activeFrameColor",
native_app_window_->ActiveFrameColor() & transparent_white);
properties->SetInteger(
"inactiveFrameColor",
native_app_window_->InactiveFrameColor() & transparent_white);
gfx::Rect content_bounds = GetClientBounds();
gfx::Size content_min_size = native_app_window_->GetContentMinimumSize();
gfx::Size content_max_size = native_app_window_->GetContentMaximumSize();
SetBoundsProperties(content_bounds,
content_min_size,
content_max_size,
"innerBounds",
properties);
gfx::Insets frame_insets = native_app_window_->GetFrameInsets();
gfx::Rect frame_bounds = native_app_window_->GetBounds();
gfx::Size frame_min_size =
SizeConstraints::AddFrameToConstraints(content_min_size, frame_insets);
gfx::Size frame_max_size =
SizeConstraints::AddFrameToConstraints(content_max_size, frame_insets);
SetBoundsProperties(frame_bounds,
frame_min_size,
frame_max_size,
"outerBounds",
properties);
}
//------------------------------------------------------------------------------
// Private methods
void AppWindow::UpdateBadgeIcon(const gfx::Image& image) {
badge_icon_ = image;
native_app_window_->UpdateBadgeIcon();
}
void AppWindow::DidDownloadFavicon(
int id,
int http_status_code,
const GURL& image_url,
const std::vector<SkBitmap>& bitmaps,
const std::vector<gfx::Size>& original_bitmap_sizes) {
if ((image_url != app_icon_url_ && image_url != badge_icon_url_) ||
bitmaps.empty()) {
return;
}
// Bitmaps are ordered largest to smallest. Choose the smallest bitmap
// whose height >= the preferred size.
int largest_index = 0;
for (size_t i = 1; i < bitmaps.size(); ++i) {
if (bitmaps[i].height() < delegate_->PreferredIconSize())
break;
largest_index = i;
}
const SkBitmap& largest = bitmaps[largest_index];
if (image_url == app_icon_url_) {
UpdateAppIcon(gfx::Image::CreateFrom1xBitmap(largest));
return;
}
UpdateBadgeIcon(gfx::Image::CreateFrom1xBitmap(largest));
}
void AppWindow::OnExtensionIconImageChanged(extensions::IconImage* image) {
DCHECK_EQ(app_icon_image_.get(), image);
UpdateAppIcon(gfx::Image(app_icon_image_->image_skia()));
}
void AppWindow::UpdateExtensionAppIcon() {
// Avoid using any previous app icons were being downloaded.
image_loader_ptr_factory_.InvalidateWeakPtrs();
const gfx::ImageSkia& default_icon =
*ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
IDR_APP_DEFAULT_ICON);
const extensions::Extension* extension = GetExtension();
if (!extension)
return;
app_icon_image_.reset(
new extensions::IconImage(browser_context(),
extension,
extensions::IconsInfo::GetIcons(extension),
delegate_->PreferredIconSize(),
default_icon,
this));
// Triggers actual image loading with 1x resources. The 2x resource will
// be handled by IconImage class when requested.
app_icon_image_->image_skia().GetRepresentation(1.0f);
}
void AppWindow::SetNativeWindowFullscreen() {
native_app_window_->SetFullscreen(fullscreen_types_);
if (cached_always_on_top_)
UpdateNativeAlwaysOnTop();
}
bool AppWindow::IntersectsWithTaskbar() const {
#if defined(OS_WIN)
gfx::Screen* screen = gfx::Screen::GetNativeScreen();
gfx::Rect window_bounds = native_app_window_->GetRestoredBounds();
std::vector<gfx::Display> displays = screen->GetAllDisplays();
for (std::vector<gfx::Display>::const_iterator it = displays.begin();
it != displays.end();
++it) {
gfx::Rect taskbar_bounds = it->bounds();
taskbar_bounds.Subtract(it->work_area());
if (taskbar_bounds.IsEmpty())
continue;
if (window_bounds.Intersects(taskbar_bounds))
return true;
}
#endif
return false;
}
void AppWindow::UpdateNativeAlwaysOnTop() {
DCHECK(cached_always_on_top_);
bool is_on_top = native_app_window_->IsAlwaysOnTop();
bool fullscreen = IsFullscreen(fullscreen_types_);
bool intersects_taskbar = IntersectsWithTaskbar();
if (is_on_top && (fullscreen || intersects_taskbar)) {
// When entering fullscreen or overlapping the taskbar, ensure windows are
// not always-on-top.
native_app_window_->SetAlwaysOnTop(false);
} else if (!is_on_top && !fullscreen && !intersects_taskbar) {
// When exiting fullscreen and moving away from the taskbar, reinstate
// always-on-top.
native_app_window_->SetAlwaysOnTop(true);
}
}
void AppWindow::SendOnWindowShownIfShown() {
if (!can_send_events_ || !has_been_shown_)
return;
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType)) {
app_window_contents_->DispatchWindowShownForTests();
}
}
void AppWindow::CloseContents(WebContents* contents) {
native_app_window_->Close();
}
bool AppWindow::ShouldSuppressDialogs() { return true; }
content::ColorChooser* AppWindow::OpenColorChooser(
WebContents* web_contents,
SkColor initial_color,
const std::vector<content::ColorSuggestion>& suggestionss) {
return delegate_->ShowColorChooser(web_contents, initial_color);
}
void AppWindow::RunFileChooser(WebContents* tab,
const content::FileChooserParams& params) {
if (window_type_is_panel()) {
// Panels can't host a file dialog, abort. TODO(stevenjb): allow file
// dialogs to be unhosted but still close with the owning web contents.
// crbug.com/172502.
LOG(WARNING) << "File dialog opened by panel.";
return;
}
delegate_->RunFileChooser(tab, params);
}
bool AppWindow::IsPopupOrPanel(const WebContents* source) const { return true; }
void AppWindow::MoveContents(WebContents* source, const gfx::Rect& pos) {
native_app_window_->SetBounds(pos);
}
void AppWindow::NavigationStateChanged(const content::WebContents* source,
unsigned changed_flags) {
if (changed_flags & content::INVALIDATE_TYPE_TITLE)
native_app_window_->UpdateWindowTitle();
else if (changed_flags & content::INVALIDATE_TYPE_TAB)
native_app_window_->UpdateWindowIcon();
}
void AppWindow::ToggleFullscreenModeForTab(content::WebContents* source,
bool enter_fullscreen) {
#if !defined(OS_MACOSX)
// Do not enter fullscreen mode if disallowed by pref.
// TODO(bartfab): Add a test once it becomes possible to simulate a user
// gesture. http://crbug.com/174178
PrefService* prefs =
extensions::ExtensionsBrowserClient::Get()->GetPrefServiceForContext(
browser_context());
if (enter_fullscreen && !prefs->GetBoolean(prefs::kAppFullscreenAllowed)) {
return;
}
#endif
const extensions::Extension* extension = GetExtension();
if (!extension)
return;
if (!IsExtensionWithPermissionOrSuggestInConsole(
APIPermission::kFullscreen, extension, source->GetRenderViewHost())) {
return;
}
if (enter_fullscreen)
fullscreen_types_ |= FULLSCREEN_TYPE_HTML_API;
else
fullscreen_types_ &= ~FULLSCREEN_TYPE_HTML_API;
SetNativeWindowFullscreen();
}
bool AppWindow::IsFullscreenForTabOrPending(const content::WebContents* source)
const {
return ((fullscreen_types_ & FULLSCREEN_TYPE_HTML_API) != 0);
}
void AppWindow::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {