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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/extensions/extension_popup.h"
#include "base/bind.h"
#include "base/message_loop.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/extensions/extension_process_manager.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/common/chrome_notification_types.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "ui/gfx/insets.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/widget/widget.h"
#if defined(USE_AURA)
#include "ui/aura/window.h"
#include "ui/views/corewm/window_animations.h"
#endif
using content::RenderViewHost;
using content::WebContents;
namespace {
// Returns true if |possible_parent| is a parent window of |child|.
bool IsParent(gfx::NativeView child, gfx::NativeView possible_parent) {
if (!child)
return false;
#if !defined(USE_AURA) && defined(OS_WIN)
if (::GetWindow(child, GW_OWNER) == possible_parent)
return true;
#endif
gfx::NativeView parent = child;
while ((parent = platform_util::GetParent(parent))) {
if (possible_parent == parent)
return true;
}
return false;
}
} // namespace
// The minimum/maximum dimensions of the popup.
// The minimum is just a little larger than the size of the button itself.
// The maximum is an arbitrary number that should be smaller than most screens.
const int ExtensionPopup::kMinWidth = 25;
const int ExtensionPopup::kMinHeight = 25;
const int ExtensionPopup::kMaxWidth = 800;
const int ExtensionPopup::kMaxHeight = 600;
ExtensionPopup::ExtensionPopup(
Browser* browser,
extensions::ExtensionHost* host,
views::View* anchor_view,
views::BubbleBorder::ArrowLocation arrow_location,
ShowAction show_action)
: BubbleDelegateView(anchor_view, arrow_location),
extension_host_(host),
close_bubble_factory_(this) {
inspect_with_devtools_ = show_action == SHOW_AND_INSPECT;
// Adjust the margin so that contents fit better.
const int margin = views::BubbleBorder::GetCornerRadius() / 2;
set_margins(gfx::Insets(margin, margin, margin, margin));
SetLayoutManager(new views::FillLayout());
AddChildView(host->view());
host->view()->SetContainer(this);
// Use OnNativeFocusChange to check for child window activation on deactivate.
set_close_on_deactivate(false);
// Make the bubble move with its anchor (during inspection, etc.).
set_move_with_anchor(true);
// Wait to show the popup until the contained host finishes loading.
registrar_.Add(this, content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
content::Source<WebContents>(host->host_contents()));
// Listen for the containing view calling window.close();
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE,
content::Source<Profile>(host->profile()));
// Listen for the dev tools opening on this popup, so we can stop it going
// away when the dev tools get focus.
registrar_.Add(this, content::NOTIFICATION_DEVTOOLS_AGENT_ATTACHED,
content::Source<Profile>(host->profile()));
// Listen for the dev tools closing, so we can close this window if it is
// being inspected and the inspector is closed.
registrar_.Add(this, content::NOTIFICATION_DEVTOOLS_AGENT_DETACHED,
content::Source<content::BrowserContext>(host->profile()));
}
ExtensionPopup::~ExtensionPopup() {
views::WidgetFocusManager::GetInstance()->RemoveFocusChangeListener(this);
}
void ExtensionPopup::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME:
DCHECK(content::Source<WebContents>(host()->host_contents()) == source);
// Show when the content finishes loading and its width is computed.
ShowBubble();
break;
case chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE:
// If we aren't the host of the popup, then disregard the notification.
if (content::Details<extensions::ExtensionHost>(host()) == details)
GetWidget()->Close();
break;
case content::NOTIFICATION_DEVTOOLS_AGENT_DETACHED:
// Make sure it's the devtools window that inspecting our popup.
// Widget::Close posts a task, which should give the devtools window a
// chance to finish detaching from the inspected RenderViewHost.
if (content::Details<RenderViewHost>(host()->render_view_host()) ==
details) {
GetWidget()->Close();
}
break;
case content::NOTIFICATION_DEVTOOLS_AGENT_ATTACHED:
// First check that the devtools are being opened on this popup.
if (content::Details<RenderViewHost>(host()->render_view_host()) ==
details) {
// Set inspect_with_devtools_ so the popup will be kept open while
// the devtools are open.
inspect_with_devtools_ = true;
}
break;
default:
NOTREACHED() << L"Received unexpected notification";
}
}
void ExtensionPopup::OnExtensionSizeChanged(ExtensionViewViews* view) {
SizeToContents();
}
gfx::Size ExtensionPopup::GetPreferredSize() {
// Constrain the size to popup min/max.
gfx::Size sz = views::View::GetPreferredSize();
sz.set_width(std::max(kMinWidth, std::min(kMaxWidth, sz.width())));
sz.set_height(std::max(kMinHeight, std::min(kMaxHeight, sz.height())));
return sz;
}
void ExtensionPopup::OnNativeFocusChange(gfx::NativeView focused_before,
gfx::NativeView focused_now) {
// Don't close if a child of this window is activated (only needed on Win).
// ExtensionPopups can create Javascipt dialogs; see crbug.com/106723.
gfx::NativeView this_window = GetWidget()->GetNativeView();
if (inspect_with_devtools_ || focused_now == this_window ||
IsParent(focused_now, this_window))
return;
// Delay closing the widget because on Aura, closing right away makes the
// activation controller trigger another focus change before the current focus
// change is complete.
if (!close_bubble_factory_.HasWeakPtrs()) {
MessageLoop::current()->PostTask(FROM_HERE,
base::Bind(&ExtensionPopup::CloseBubble,
close_bubble_factory_.GetWeakPtr()));
}
}
// static
ExtensionPopup* ExtensionPopup::ShowPopup(
const GURL& url,
Browser* browser,
views::View* anchor_view,
views::BubbleBorder::ArrowLocation arrow_location,
ShowAction show_action) {
ExtensionProcessManager* manager =
extensions::ExtensionSystem::Get(browser->profile())->process_manager();
extensions::ExtensionHost* host = manager->CreatePopupHost(url, browser);
ExtensionPopup* popup = new ExtensionPopup(browser, host, anchor_view,
arrow_location, show_action);
views::BubbleDelegateView::CreateBubble(popup);
#if defined(USE_AURA)
gfx::NativeView native_view = popup->GetWidget()->GetNativeView();
views::corewm::SetWindowVisibilityAnimationType(
native_view,
views::corewm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
views::corewm::SetWindowVisibilityAnimationVerticalPosition(
native_view,
-3.0f);
#endif
// If the host had somehow finished loading, then we'd miss the notification
// and not show. This seems to happen in single-process mode.
if (host->did_stop_loading())
popup->ShowBubble();
return popup;
}
void ExtensionPopup::ShowBubble() {
Show();
// Request focus for the View. Without this, the FocusManager gets confused.
host()->view()->SetVisible(true);
host()->view()->RequestFocus();
// Focus on the host contents when the bubble is first shown.
host()->host_contents()->GetView()->Focus();
// Listen for widget focus changes after showing (used for non-aura win).
views::WidgetFocusManager::GetInstance()->AddFocusChangeListener(this);
if (inspect_with_devtools_) {
DevToolsWindow::ToggleDevToolsWindow(host()->render_view_host(),
true,
DEVTOOLS_TOGGLE_ACTION_SHOW_CONSOLE);
}
}
void ExtensionPopup::CloseBubble() {
GetWidget()->Close();
}
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