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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/logging.h"
#include "base/memory/ref_counted.h"
#include "chrome/browser/extensions/extension_file_browser_private_api.h"
#include "chrome/browser/extensions/file_manager_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/views/extensions/extension_dialog.h"
#include "chrome/browser/ui/views/window.h"
#include "content/browser/browser_thread.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "views/window/window.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"
namespace {
const int kFileManagerWidth = 720; // pixels
const int kFileManagerHeight = 580; // pixels
}
// Shows a dialog box for selecting a file or a folder.
class FileManagerDialog
: public SelectFileDialog,
public ExtensionDialog::Observer {
public:
explicit FileManagerDialog(Listener* listener);
// BaseShellDialog implementation.
virtual bool IsRunning(gfx::NativeWindow owner_window) const OVERRIDE;
virtual void ListenerDestroyed() OVERRIDE;
// ExtensionDialog::Observer implementation.
virtual void ExtensionDialogIsClosing(ExtensionDialog* dialog) OVERRIDE;
protected:
// SelectFileDialog implementation.
virtual void SelectFileImpl(Type type,
const string16& title,
const FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const FilePath::StringType& default_extension,
gfx::NativeWindow owning_window,
void* params) OVERRIDE;
private:
virtual ~FileManagerDialog();
// Host for the extension that implements this dialog.
scoped_refptr<ExtensionDialog> extension_dialog_;
// ID of the tab that spawned this dialog, used to route callbacks.
int32 tab_id_;
gfx::NativeWindow owner_window_;
DISALLOW_COPY_AND_ASSIGN(FileManagerDialog);
};
// Linking this implementation of SelectFileDialog::Create into the target
// selects FileManagerDialog as the dialog of choice.
// static
SelectFileDialog* SelectFileDialog::Create(Listener* listener) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return new FileManagerDialog(listener);
}
FileManagerDialog::FileManagerDialog(Listener* listener)
: SelectFileDialog(listener),
tab_id_(0),
owner_window_(0) {
}
FileManagerDialog::~FileManagerDialog() {
if (extension_dialog_)
extension_dialog_->ObserverDestroyed();
FileDialogFunction::Callback::Remove(tab_id_);
}
bool FileManagerDialog::IsRunning(gfx::NativeWindow owner_window) const {
return owner_window_ == owner_window;
}
void FileManagerDialog::ListenerDestroyed() {
listener_ = NULL;
FileDialogFunction::Callback::Remove(tab_id_);
}
void FileManagerDialog::ExtensionDialogIsClosing(ExtensionDialog* dialog) {
owner_window_ = NULL;
FileDialogFunction::Callback::Remove(tab_id_);
}
void FileManagerDialog::SelectFileImpl(
Type type,
const string16& title,
const FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const FilePath::StringType& default_extension,
gfx::NativeWindow owner_window,
void* params) {
if (owner_window_) {
LOG(ERROR) << "File dialog already in use!";
return;
}
Browser* active_browser = BrowserList::GetLastActive();
if (!active_browser)
return;
GURL file_browser_url = FileManagerUtil::GetFileBrowserUrlWithParams(
type, title, default_path, file_types, file_type_index,
default_extension);
extension_dialog_ = ExtensionDialog::Show(file_browser_url,
active_browser, kFileManagerWidth, kFileManagerHeight,
this /* ExtensionDialog::Observer */);
// Connect our listener to FileDialogFunction's per-tab callbacks.
Browser* extension_browser = extension_dialog_->host()->view()->browser();
TabContents* contents = extension_browser->GetSelectedTabContents();
int32 tab_id = (contents ? contents->controller().session_id().id() : 0);
FileDialogFunction::Callback::Add(tab_id, listener_, params);
tab_id_ = tab_id;
owner_window_ = owner_window;
}
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