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-rw-r--r--chrome/browser/dom_ui/downloads_ui.cc134
1 files changed, 109 insertions, 25 deletions
diff --git a/chrome/browser/dom_ui/downloads_ui.cc b/chrome/browser/dom_ui/downloads_ui.cc
index f8d9515..5ee67bd 100644
--- a/chrome/browser/dom_ui/downloads_ui.cc
+++ b/chrome/browser/dom_ui/downloads_ui.cc
@@ -9,7 +9,9 @@
#include "base/thread.h"
#include "base/time_format.h"
#include "chrome/browser/browser_process.h"
+#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/dom_ui/fileicon_source.h"
+#include "chrome/browser/download/download_manager.h"
#if defined(OS_WIN)
// TODO(port): re-enable when download_util is ported
#include "chrome/browser/download/download_util.h"
@@ -19,11 +21,11 @@
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/l10n_util.h"
#include "chrome/common/time_format.h"
+#include "chrome/common/url_constants.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
-// DownloadsUI is accessible from chrome-ui://downloads.
-static const char kDownloadsHost[] = "downloads";
+namespace {
// Maximum number of downloads to show. TODO(glen): Remove this and instead
// stuff the downloads down the pipe slowly.
@@ -35,8 +37,23 @@ static const int kMaxDownloads = 150;
//
///////////////////////////////////////////////////////////////////////////////
+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);
+};
+
DownloadsUIHTMLSource::DownloadsUIHTMLSource()
- : DataSource(kDownloadsHost, MessageLoop::current()) {
+ : DataSource(chrome::kChromeUIDownloadsHost, MessageLoop::current()) {
}
void DownloadsUIHTMLSource::StartDataRequest(const std::string& path,
@@ -100,6 +117,82 @@ void DownloadsUIHTMLSource::StartDataRequest(const std::string& path,
//
///////////////////////////////////////////////////////////////////////////////
+// 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);
+};
+
// Sort DownloadItems into descending order by their start time.
class DownloadItemSorter : public std::binary_function<DownloadItem*,
DownloadItem*,
@@ -120,20 +213,20 @@ DownloadsDOMHandler::DownloadsDOMHandler(DOMUI* dom_ui, DownloadManager* dlm)
NewCallback(this, &DownloadsDOMHandler::HandleOpenFile));
dom_ui_->RegisterMessageCallback("drag",
- NewCallback(this, &DownloadsDOMHandler::HandleDrag));
+ NewCallback(this, &DownloadsDOMHandler::HandleDrag));
dom_ui_->RegisterMessageCallback("saveDangerous",
- NewCallback(this, &DownloadsDOMHandler::HandleSaveDangerous));
+ NewCallback(this, &DownloadsDOMHandler::HandleSaveDangerous));
dom_ui_->RegisterMessageCallback("discardDangerous",
- NewCallback(this, &DownloadsDOMHandler::HandleDiscardDangerous));
+ NewCallback(this, &DownloadsDOMHandler::HandleDiscardDangerous));
dom_ui_->RegisterMessageCallback("show",
- NewCallback(this, &DownloadsDOMHandler::HandleShow));
+ NewCallback(this, &DownloadsDOMHandler::HandleShow));
dom_ui_->RegisterMessageCallback("togglepause",
- NewCallback(this, &DownloadsDOMHandler::HandlePause));
+ NewCallback(this, &DownloadsDOMHandler::HandlePause));
dom_ui_->RegisterMessageCallback("resume",
- NewCallback(this, &DownloadsDOMHandler::HandlePause));
+ NewCallback(this, &DownloadsDOMHandler::HandlePause));
dom_ui_->RegisterMessageCallback("cancel",
- NewCallback(this, &DownloadsDOMHandler::HandleCancel));
+ NewCallback(this, &DownloadsDOMHandler::HandleCancel));
// Create our fileicon data source.
g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
@@ -159,8 +252,8 @@ void DownloadsDOMHandler::OnDownloadUpdated(DownloadItem* download) {
// errors between the UI and the download_items_ list (we may wish to use
// something other than 'id').
OrderedDownloads::iterator it = find(download_items_.begin(),
- download_items_.end(),
- download);
+ download_items_.end(),
+ download);
if (it == download_items_.end())
return;
const int id = static_cast<int>(it - download_items_.begin());
@@ -346,17 +439,16 @@ DownloadItem* DownloadsDOMHandler::GetDownloadByValue(const Value* value) {
return NULL;
}
+} // namespace
+
///////////////////////////////////////////////////////////////////////////////
//
// DownloadsUI
//
///////////////////////////////////////////////////////////////////////////////
-DownloadsUI::DownloadsUI(DOMUIContents* contents) : DOMUI(contents) {
-}
-
-void DownloadsUI::Init() {
- DownloadManager* dlm = get_profile()->GetDownloadManager();
+DownloadsUI::DownloadsUI(WebContents* contents) : DOMUI(contents) {
+ DownloadManager* dlm = GetProfile()->GetDownloadManager();
DownloadsDOMHandler* handler = new DownloadsDOMHandler(this, dlm);
AddMessageHandler(handler);
@@ -370,11 +462,3 @@ void DownloadsUI::Init() {
&ChromeURLDataManager::AddDataSource,
html_source));
}
-
-// static
-GURL DownloadsUI::GetBaseURL() {
- std::string url = DOMUIContents::GetScheme();
- url += "://";
- url += kDownloadsHost;
- return GURL(url);
-}
generated by cgit v1.1 at 2025-01-18 12:08:44 +0000