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// Copyright (c) 2011 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 "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_uninstall_dialog.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/views/window.h"
#include "chrome/common/extensions/extension.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/compositor/compositor.h"
#include "ui/gfx/compositor/layer.h"
#include "views/controls/image_view.h"
#include "views/controls/label.h"
#include "views/layout/layout_constants.h"
#include "views/view.h"
#include "views/widget/widget.h"
#include "views/window/dialog_delegate.h"
namespace {
const int kRightColumnWidth = 210;
const int kIconSize = 69;
class ExtensionUninstallDialogDelegateView;
// Views implementation of the uninstall dialog.
class ExtensionUninstallDialogViews : public ExtensionUninstallDialog {
public:
ExtensionUninstallDialogViews(Profile* profile,
ExtensionUninstallDialog::Delegate* delegate);
virtual ~ExtensionUninstallDialogViews();
// Forwards the accept and cancels to the delegate.
void ExtensionUninstallAccepted();
void ExtensionUninstallCanceled();
ExtensionUninstallDialogDelegateView* view() { return view_; }
private:
void Show() OVERRIDE;
ExtensionUninstallDialogDelegateView* view_;
DISALLOW_COPY_AND_ASSIGN(ExtensionUninstallDialogViews);
};
// The dialog's view, owned by the views framework.
class ExtensionUninstallDialogDelegateView : public views::DialogDelegateView {
public:
ExtensionUninstallDialogDelegateView(
ExtensionUninstallDialogViews* dialog_view,
const Extension* extension,
SkBitmap* icon);
virtual ~ExtensionUninstallDialogDelegateView();
// Called when the ExtensionUninstallDialog has been destroyed to make sure
// we invalidate pointers.
void DialogDestroyed() { dialog_ = NULL; }
private:
// views::DialogDelegate:
virtual std::wstring GetDialogButtonLabel(
MessageBoxFlags::DialogButton button) const OVERRIDE;
virtual int GetDefaultDialogButton() const OVERRIDE {
return MessageBoxFlags::DIALOGBUTTON_CANCEL;
}
virtual bool Accept() OVERRIDE;
virtual bool Cancel() OVERRIDE;
// views::WidgetDelegate:
virtual bool IsModal() const OVERRIDE { return true; }
virtual views::View* GetContentsView() OVERRIDE { return this; }
virtual string16 GetWindowTitle() const OVERRIDE;
// views::View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual void Layout() OVERRIDE;
ExtensionUninstallDialogViews* dialog_;
views::ImageView* icon_;
views::Label* heading_;
DISALLOW_COPY_AND_ASSIGN(ExtensionUninstallDialogDelegateView);
};
ExtensionUninstallDialogViews::ExtensionUninstallDialogViews(
Profile* profile, ExtensionUninstallDialog::Delegate* delegate)
: ExtensionUninstallDialog(profile, delegate) {}
ExtensionUninstallDialogViews::~ExtensionUninstallDialogViews() {
// Close the widget (the views framework will delete view_).
if (view_) {
view_->DialogDestroyed();
view_->GetWidget()->CloseNow();
}
}
void ExtensionUninstallDialogViews::Show() {
Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
if (!browser) {
delegate_->ExtensionUninstallCanceled();
return;
}
BrowserWindow* window = browser->window();
if (!window) {
delegate_->ExtensionUninstallCanceled();
return;
}
view_ = new ExtensionUninstallDialogDelegateView(this, extension_, &icon_);
browser::CreateViewsWindow(window->GetNativeHandle(), view_)->Show();
}
void ExtensionUninstallDialogViews::ExtensionUninstallAccepted() {
// The widget gets destroyed when the dialog is accepted.
view_ = NULL;
delegate_->ExtensionUninstallAccepted();
}
void ExtensionUninstallDialogViews::ExtensionUninstallCanceled() {
// The widget gets destroyed when the dialog is canceled.
view_ = NULL;
delegate_->ExtensionUninstallCanceled();
}
ExtensionUninstallDialogDelegateView::ExtensionUninstallDialogDelegateView(
ExtensionUninstallDialogViews* dialog_view,
const Extension* extension,
SkBitmap* icon)
: dialog_(dialog_view) {
// Scale down to icon size, but allow smaller icons (don't scale up).
gfx::Size size(icon->width(), icon->height());
if (size.width() > kIconSize || size.height() > kIconSize)
size = gfx::Size(kIconSize, kIconSize);
icon_ = new views::ImageView();
icon_->SetImageSize(size);
icon_->SetImage(*icon);
AddChildView(icon_);
heading_ = new views::Label(UTF16ToWide(
l10n_util::GetStringFUTF16(IDS_EXTENSION_UNINSTALL_PROMPT_HEADING,
UTF8ToUTF16(extension->name()))));
heading_->SetMultiLine(true);
AddChildView(heading_);
}
ExtensionUninstallDialogDelegateView::~ExtensionUninstallDialogDelegateView() {
}
std::wstring ExtensionUninstallDialogDelegateView::GetDialogButtonLabel(
MessageBoxFlags::DialogButton button) const {
switch (button) {
case MessageBoxFlags::DIALOGBUTTON_OK:
return UTF16ToWide(
l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_UNINSTALL_BUTTON));
case MessageBoxFlags::DIALOGBUTTON_CANCEL:
return UTF16ToWide(l10n_util::GetStringUTF16(IDS_CANCEL));
default:
NOTREACHED();
return L"";
}
}
bool ExtensionUninstallDialogDelegateView::Accept() {
if (dialog_)
dialog_->ExtensionUninstallAccepted();
return true;
}
bool ExtensionUninstallDialogDelegateView::Cancel() {
if (dialog_)
dialog_->ExtensionUninstallCanceled();
return true;
}
string16 ExtensionUninstallDialogDelegateView::GetWindowTitle() const {
return l10n_util::GetStringUTF16(IDS_EXTENSION_UNINSTALL_PROMPT_TITLE);
}
gfx::Size ExtensionUninstallDialogDelegateView::GetPreferredSize() {
int width = kRightColumnWidth;
width += kIconSize;
width += views::kPanelHorizMargin * 3;
int height = views::kPanelVertMargin * 2;
height += heading_->GetHeightForWidth(kRightColumnWidth);
return gfx::Size(width,
std::max(height, kIconSize + views::kPanelVertMargin * 2));
}
void ExtensionUninstallDialogDelegateView::Layout() {
int x = views::kPanelHorizMargin;
int y = views::kPanelVertMargin;
heading_->SizeToFit(kRightColumnWidth);
if (heading_->height() <= kIconSize) {
icon_->SetBounds(x, y, kIconSize, kIconSize);
x += kIconSize;
x += views::kPanelHorizMargin;
heading_->SetX(x);
heading_->SetY(y + (kIconSize - heading_->height()) / 2);
} else {
icon_->SetBounds(x,
y + (heading_->height() - kIconSize) / 2,
kIconSize,
kIconSize);
x += kIconSize;
x += views::kPanelHorizMargin;
heading_->SetX(x);
heading_->SetY(y);
}
}
} // namespace
// static
ExtensionUninstallDialog* ExtensionUninstallDialog::Create(
Profile* profile, Delegate* delegate) {
return new ExtensionUninstallDialogViews(profile, delegate);
}
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