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// Copyright (c) 2006-2008 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.
#ifndef CHROME_BROWSER_DOM_UI_DOWNLOADS_UI_H_
#define CHROME_BROWSER_DOM_UI_DOWNLOADS_UI_H_
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/dom_ui/dom_ui.h"
#include "chrome/browser/dom_ui/dom_ui_contents.h"
#include "chrome/browser/download/download_manager.h"
class GURL;
class DownloadsUIHTMLSource : public ChromeURLDataManager::DataSource {
public:
DownloadsUIHTMLSource();
// Called when the network layer has requested a resource underneath
// the path we registered.
virtual void StartDataRequest(const std::string& path, int request_id);
virtual std::string GetMimeType(const std::string&) const {
return "text/html";
}
private:
DISALLOW_COPY_AND_ASSIGN(DownloadsUIHTMLSource);
};
// The handler for Javascript messages related to the "downloads" view,
// also observes changes to the download manager.
class DownloadsDOMHandler : public DOMMessageHandler,
public DownloadManager::Observer,
public DownloadItem::Observer {
public:
explicit DownloadsDOMHandler(DOMUI* dom_ui, DownloadManager* dlm);
virtual ~DownloadsDOMHandler();
void Init();
// DownloadItem::Observer interface
virtual void OnDownloadUpdated(DownloadItem* download);
// DownloadManager::Observer interface
virtual void ModelChanged();
virtual void SetDownloads(std::vector<DownloadItem*>& downloads);
// Callback for the "getDownloads" message.
void HandleGetDownloads(const Value* value);
// Callback for the "openFile" message - opens the file in the shell.
void HandleOpenFile(const Value* value);
// Callback for the "drag" message - initiates a file object drag.
void HandleDrag(const Value* value);
// Callback for the "saveDangerous" message - specifies that the user
// wishes to save a dangerous file.
void HandleSaveDangerous(const Value* value);
// Callback for the "discardDangerous" message - specifies that the user
// wishes to discard (remove) a dangerous file.
void HandleDiscardDangerous(const Value* value);
// Callback for the "show" message - shows the file in explorer.
void HandleShow(const Value* value);
// Callback for the "pause" message - pauses the file download.
void HandlePause(const Value* value);
// Callback for the "cancel" message - cancels the download.
void HandleCancel(const Value* value);
private:
// Send the current list of downloads to the page.
void SendCurrentDownloads();
// Creates a representation of a download in a format that the downloads
// HTML page can understand.
DictionaryValue* CreateDownloadItemValue(DownloadItem* download, int id);
// Clear all download items and their observers.
void ClearDownloadItems();
// Return the download that corresponds to a given id.
DownloadItem* GetDownloadById(int id);
// Return the download that is referred to in a given value.
DownloadItem* GetDownloadByValue(const Value* value);
// Current search text.
std::wstring search_text_;
// Our model
DownloadManager* download_manager_;
// The current set of visible DownloadItems for this view received from the
// DownloadManager. DownloadManager owns the DownloadItems. The vector is
// kept in order, sorted by ascending start time.
typedef std::vector<DownloadItem*> OrderedDownloads;
OrderedDownloads download_items_;
DISALLOW_COPY_AND_ASSIGN(DownloadsDOMHandler);
};
class DownloadsUI : public DOMUI {
public:
explicit DownloadsUI(DOMUIContents* contents);
// Return the URL for the front page of this UI.
static GURL GetBaseURL();
// DOMUI Implementation
virtual void Init();
private:
DOMUIContents* contents_;
DISALLOW_COPY_AND_ASSIGN(DownloadsUI);
};
#endif // CHROME_BROWSER_DOM_UI_DOWNLOADS_UI_H_
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