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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/webui/constrained_web_dialog_delegate_base.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/tab_contents/tab_contents.h"
#include "chrome/browser/ui/views/constrained_window_views.h"
#include "chrome/browser/ui/views/unhandled_keyboard_event_handler.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/browser/web_contents.h"
#include "ui/gfx/size.h"
#include "ui/views/controls/webview/webview.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/web_dialogs/web_dialog_delegate.h"
#include "ui/web_dialogs/web_dialog_ui.h"
using content::WebContents;
using ui::ConstrainedWebDialogDelegate;
using ui::ConstrainedWebDialogUI;
using ui::WebDialogDelegate;
using ui::WebDialogWebContentsDelegate;
namespace {
class ConstrainedWebDialogDelegateViews
: public ConstrainedWebDialogDelegateBase {
public:
ConstrainedWebDialogDelegateViews(
Profile* profile,
WebDialogDelegate* delegate,
WebDialogWebContentsDelegate* tab_delegate,
views::WebView* view)
: ConstrainedWebDialogDelegateBase(profile, delegate, tab_delegate),
view_(view) {
WebContents* web_contents = tab()->web_contents();
if (tab_delegate) {
set_override_tab_delegate(tab_delegate);
web_contents->SetDelegate(tab_delegate);
} else {
web_contents->SetDelegate(this);
}
}
virtual ~ConstrainedWebDialogDelegateViews() {}
// WebDialogWebContentsDelegate interface.
virtual void CloseContents(WebContents* source) OVERRIDE {
window()->CloseConstrainedWindow();
}
// contents::WebContentsDelegate
virtual void HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) OVERRIDE {
unhandled_keyboard_event_handler_.HandleKeyboardEvent(
event, view_->GetFocusManager());
}
private:
// Converts keyboard events on the WebContents to accelerators.
UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
views::WebView* view_;
DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateViews);
};
} // namespace
class ConstrainedWebDialogDelegateViewViews
: public views::WebView,
public ConstrainedWebDialogDelegate,
public views::WidgetDelegate {
public:
ConstrainedWebDialogDelegateViewViews(
Profile* profile,
WebDialogDelegate* delegate,
WebDialogWebContentsDelegate* tab_delegate);
virtual ~ConstrainedWebDialogDelegateViewViews();
void set_window(ConstrainedWindow* window) {
return impl_->set_window(window);
}
// ConstrainedWebDialogDelegate interface
virtual const WebDialogDelegate*
GetWebDialogDelegate() const OVERRIDE {
return impl_->GetWebDialogDelegate();
}
virtual WebDialogDelegate* GetWebDialogDelegate() OVERRIDE {
return impl_->GetWebDialogDelegate();
}
virtual void OnDialogCloseFromWebUI() OVERRIDE {
return impl_->OnDialogCloseFromWebUI();
}
virtual void ReleaseTabContentsOnDialogClose() OVERRIDE {
return impl_->ReleaseTabContentsOnDialogClose();
}
virtual ConstrainedWindow* window() OVERRIDE {
return impl_->window();
}
virtual TabContents* tab() OVERRIDE {
return impl_->tab();
}
// views::WidgetDelegate interface.
virtual views::View* GetInitiallyFocusedView() OVERRIDE {
return this;
}
virtual bool CanResize() const OVERRIDE { return true; }
virtual void WindowClosing() OVERRIDE {
if (!impl_->closed_via_webui())
GetWebDialogDelegate()->OnDialogClosed(std::string());
}
virtual views::Widget* GetWidget() OVERRIDE {
return View::GetWidget();
}
virtual const views::Widget* GetWidget() const OVERRIDE {
return View::GetWidget();
}
virtual string16 GetWindowTitle() const OVERRIDE {
return impl_->closed_via_webui() ? string16() :
GetWebDialogDelegate()->GetDialogTitle();
}
virtual views::View* GetContentsView() OVERRIDE {
return this;
}
// views::WebView overrides.
virtual bool AcceleratorPressed(
const ui::Accelerator& accelerator) OVERRIDE {
// Pressing ESC closes the dialog.
DCHECK_EQ(ui::VKEY_ESCAPE, accelerator.key_code());
window()->CloseConstrainedWindow();
return true;
}
virtual gfx::Size GetPreferredSize() OVERRIDE {
gfx::Size size;
if (!impl_->closed_via_webui())
GetWebDialogDelegate()->GetDialogSize(&size);
return size;
}
virtual gfx::Size GetMinimumSize() OVERRIDE {
// Return an empty size so that we can be made smaller.
return gfx::Size();
}
private:
scoped_ptr<ConstrainedWebDialogDelegateViews> impl_;
DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateViewViews);
};
ConstrainedWebDialogDelegateViewViews::ConstrainedWebDialogDelegateViewViews(
Profile* profile,
WebDialogDelegate* delegate,
WebDialogWebContentsDelegate* tab_delegate)
: views::WebView(profile),
impl_(new ConstrainedWebDialogDelegateViews(profile,
delegate,
tab_delegate,
this)) {
SetWebContents(tab()->web_contents());
// Pressing ESC closes the dialog.
set_allow_accelerators(true);
AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, ui::EF_NONE));
}
ConstrainedWebDialogDelegateViewViews::~ConstrainedWebDialogDelegateViewViews() {
}
ConstrainedWebDialogDelegate* ui::CreateConstrainedWebDialog(
Profile* profile,
WebDialogDelegate* delegate,
WebDialogWebContentsDelegate* tab_delegate,
TabContents* container) {
ConstrainedWebDialogDelegateViewViews* constrained_delegate =
new ConstrainedWebDialogDelegateViewViews(profile, delegate, tab_delegate);
ConstrainedWindow* constrained_window =
new ConstrainedWindowViews(container, constrained_delegate);
constrained_delegate->set_window(constrained_window);
return constrained_delegate;
}
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