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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 "chrome/browser/ui/views/file_manager_dialog.h"
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "chrome/browser/extensions/extension_file_browser_private_api.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/file_manager_util.h"
#include "chrome/browser/sessions/restore_tab_helper.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.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"
namespace {
const int kFileManagerWidth = 720; // pixels
const int kFileManagerHeight = 580; // pixels
// Object to hold references to file manager dialogs that have callbacks
// pending to their listeners.
class PendingDialog {
public:
static void Add(int32 tab_id, FileManagerDialog* dialog);
static void Remove(int32 tab_id);
static FileManagerDialog* Find(int32 tab_id);
private:
explicit PendingDialog(FileManagerDialog* dialog)
: dialog_(dialog) {
}
scoped_refptr<FileManagerDialog> dialog_;
typedef std::map<int32, PendingDialog> Map;
static Map map_;
};
// static
PendingDialog::Map PendingDialog::map_;
// static
void PendingDialog::Add(int32 tab_id, FileManagerDialog* dialog) {
DCHECK(dialog);
if (map_.find(tab_id) == map_.end())
map_.insert(std::make_pair(tab_id, PendingDialog(dialog)));
else
LOG(WARNING) << "Duplicate pending dialog " << tab_id;
}
// static
void PendingDialog::Remove(int32 tab_id) {
map_.erase(tab_id);
}
// static
FileManagerDialog* PendingDialog::Find(int32 tab_id) {
Map::const_iterator it = map_.find(tab_id);
if (it == map_.end()) {
LOG(WARNING) << "Pending dialog not found " << tab_id;
return NULL;
}
return it->second.dialog_.get();
}
} // namespace
// 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),
params_(NULL),
tab_id_(0),
owner_window_(0) {
}
FileManagerDialog::~FileManagerDialog() {
if (extension_dialog_)
extension_dialog_->ObserverDestroyed();
PendingDialog::Remove(tab_id_);
}
bool FileManagerDialog::IsRunning(gfx::NativeWindow owner_window) const {
return owner_window_ == owner_window;
}
void FileManagerDialog::ListenerDestroyed() {
listener_ = NULL;
params_ = NULL;
PendingDialog::Remove(tab_id_);
}
void FileManagerDialog::ExtensionDialogIsClosing(ExtensionDialog* dialog) {
owner_window_ = NULL;
// Release our reference to the dialog to allow it to close.
extension_dialog_ = NULL;
PendingDialog::Remove(tab_id_);
}
void FileManagerDialog::Close() {
if (extension_dialog_)
extension_dialog_->Close();
PendingDialog::Remove(tab_id_);
}
// static
void FileManagerDialog::OnFileSelected(
int32 tab_id, const FilePath& path, int index) {
FileManagerDialog* self = PendingDialog::Find(tab_id);
if (self) {
DCHECK(self->listener_);
self->listener_->FileSelected(path, index, self->params_);
self->Close();
}
}
// static
void FileManagerDialog::OnMultiFilesSelected(
int32 tab_id, const std::vector<FilePath>& files) {
FileManagerDialog* self = PendingDialog::Find(tab_id);
if (self) {
DCHECK(self->listener_);
self->listener_->MultiFilesSelected(files, self->params_);
self->Close();
}
}
// static
void FileManagerDialog::OnFileSelectionCanceled(int32 tab_id) {
FileManagerDialog* self = PendingDialog::Find(tab_id);
if (self) {
DCHECK(self->listener_);
self->listener_->FileSelectionCanceled(self->params_);
self->Close();
}
}
RenderViewHost* FileManagerDialog::GetRenderViewHost() {
if (extension_dialog_)
return extension_dialog_->host()->render_view_host();
return NULL;
}
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;
}
// Extension background pages may not supply an owner_window.
Browser* owner_browser = (owner_window ?
BrowserList::FindBrowserWithWindow(owner_window) :
BrowserList::GetLastActive());
if (!owner_browser) {
NOTREACHED() << "Can't find owning 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,
owner_browser, kFileManagerWidth, kFileManagerHeight,
this /* ExtensionDialog::Observer */);
// Connect our listener to FileDialogFunction's per-tab callbacks.
TabContentsWrapper* tab = owner_browser->GetSelectedTabContentsWrapper();
int32 tab_id = (tab ? tab->restore_tab_helper()->session_id().id() : 0);
PendingDialog::Add(tab_id, this);
params_ = params;
tab_id_ = tab_id;
owner_window_ = owner_window;
}
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