DevTools: implement Save As binding.

Review URL: http://codereview.chromium.org/6883084

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@82286 0039d316-1c4b-4281-b951-d872f2087c98

8 files changed, 170 insertions, 0 deletions

diff --git a/chrome/browser/debugger/devtools_file_util.cc b/chrome/browser/debugger/devtools_file_util.cc
new file mode 100644
index 0000000..1e4217d
--- /dev/null
+++ b/chrome/browser/debugger/devtools_file_util.cc
@@ -0,0 +1,107 @@
+// 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/debugger/devtools_file_util.h"
+
+#include "base/file_util.h"
+#include "base/memory/ref_counted.h"
+
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/download/download_prefs.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/shell_dialogs.h"
+
+namespace {
+
+class SaveAsDialog : public SelectFileDialog::Listener,
+                     public base::RefCounted<SaveAsDialog> {
+ public:
+  SaveAsDialog() {
+    select_file_dialog_ = SelectFileDialog::Create(this);
+  }
+
+  void Show(Profile* profile,
+            const std::string& suggested_file_name,
+            const std::string& content) {
+    AddRef();  // Balanced in the three listener outcomes.
+
+    content_ = content;
+
+    FilePath default_path;
+
+    std::string file_name;
+    if (suggested_file_name.length() > 20)
+      file_name = suggested_file_name.substr(0, 20);
+    else
+      file_name = suggested_file_name;
+
+    if (!last_save_path_.empty()) {
+      default_path = last_save_path_.DirName().AppendASCII(suggested_file_name);
+    } else {
+      DownloadPrefs prefs(profile->GetPrefs());
+      default_path = prefs.download_path().AppendASCII(suggested_file_name);
+    }
+
+    select_file_dialog_->SelectFile(SelectFileDialog::SELECT_SAVEAS_FILE,
+                                    string16(),
+                                    default_path,
+                                    NULL,
+                                    0,
+                                    FILE_PATH_LITERAL(""),
+                                    NULL,
+                                    NULL,
+                                    NULL);
+  }
+
+  // SelectFileDialog::Listener implementation.
+  virtual void FileSelected(const FilePath& path,
+                            int index, void* params) {
+    last_save_path_ = path;
+
+    BrowserThread::PostTask(
+        BrowserThread::FILE, FROM_HERE,
+        NewRunnableFunction(
+            &SaveAsDialog::WriteFile,
+            path,
+            content_));
+    Release();  // Balanced in ::Show.
+  }
+
+  virtual void MultiFilesSelected(
+    const std::vector<FilePath>& files, void* params) {
+    Release();  // Balanced in ::Show.
+    NOTREACHED() << "Should not be able to select multiple files";
+  }
+
+  virtual void FileSelectionCanceled(void* params) {
+    Release();  // Balanced in ::Show.
+  }
+
+ private:
+  friend class base::RefCounted<SaveAsDialog>;
+  virtual ~SaveAsDialog() {}
+
+  static void WriteFile(FilePath path, const std::string& content) {
+    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+    DCHECK(!path.empty());
+
+    file_util::WriteFile(path, content.c_str(), content.length());
+  }
+  scoped_refptr<SelectFileDialog> select_file_dialog_;
+  static FilePath last_save_path_;
+  std::string content_;
+};
+
+// static
+FilePath SaveAsDialog::last_save_path_;
+
+}  // namespace
+
+// static
+void DevToolsFileUtil::SaveAs(Profile* profile,
+                              const std::string& suggested_file_name,
+                              const std::string& content) {
+  scoped_refptr<SaveAsDialog> dialog = new SaveAsDialog();
+  dialog->Show(profile, suggested_file_name, content);
+}
diff --git a/chrome/browser/debugger/devtools_file_util.h b/chrome/browser/debugger/devtools_file_util.h
new file mode 100644
index 0000000..a70c8af
--- /dev/null
+++ b/chrome/browser/debugger/devtools_file_util.h
@@ -0,0 +1,29 @@
+// 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.
+
+#ifndef CHROME_BROWSER_DEBUGGER_DEVTOOLS_FILE_UTIL_H_
+#define CHROME_BROWSER_DEBUGGER_DEVTOOLS_FILE_UTIL_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+
+class Profile;
+
+class DevToolsFileUtil {
+ public:
+
+  // Shows Save As dialog using default save location from the |profile| prefs,
+  // |suggested_file_name| as the default name and saves |content| to the given
+  // location.
+  static void SaveAs(Profile* profile,
+                     const std::string& suggested_file_name,
+                     const std::string& content);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DevToolsFileUtil);
+};
+
+#endif  // CHROME_BROWSER_DEBUGGER_DEVTOOLS_FILE_UTIL_H_
diff --git a/chrome/browser/debugger/devtools_handler.cc b/chrome/browser/debugger/devtools_handler.cc
index dd6e7fc..9e60a11 100644
--- a/chrome/browser/debugger/devtools_handler.cc
+++ b/chrome/browser/debugger/devtools_handler.cc
@@ -4,8 +4,11 @@
 
 #include "chrome/browser/debugger/devtools_handler.h"
 
+#include "chrome/browser/debugger/devtools_file_util.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/common/devtools_messages.h"
+#include "content/browser/renderer_host/render_view_host.h"
+#include "content/browser/tab_contents/tab_contents.h"
 
 DevToolsHandler::DevToolsHandler(RenderViewHost* render_view_host)
     : RenderViewHostObserver(render_view_host) {
@@ -24,6 +27,8 @@ bool DevToolsHandler::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_RequestDockWindow, OnRequestDockWindow)
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_RequestUndockWindow,
                         OnRequestUndockWindow)
+    IPC_MESSAGE_HANDLER(DevToolsHostMsg_SaveAs,
+                        OnSaveAs)
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_RuntimePropertyChanged,
                         OnRuntimePropertyChanged)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -57,6 +62,17 @@ void DevToolsHandler::OnRequestUndockWindow() {
   DevToolsManager::GetInstance()->RequestUndockWindow(render_view_host());
 }
 
+void DevToolsHandler::OnSaveAs(const std::string& file_name,
+                               const std::string& content) {
+  TabContents* tab_contents = render_view_host()->delegate() ?
+      render_view_host()->delegate()->GetAsTabContents() : NULL;
+  DCHECK(tab_contents);
+  if (!tab_contents)
+    return;
+
+  DevToolsFileUtil::SaveAs(tab_contents->profile(), file_name, content);
+}
+
 void DevToolsHandler::OnRuntimePropertyChanged(const std::string& name,
                                                const std::string& value) {
   DevToolsManager::GetInstance()->RuntimePropertyChanged(
diff --git a/chrome/browser/debugger/devtools_handler.h b/chrome/browser/debugger/devtools_handler.h
index 3212928..fbc93ec 100644
--- a/chrome/browser/debugger/devtools_handler.h
+++ b/chrome/browser/debugger/devtools_handler.h
@@ -23,6 +23,8 @@ class DevToolsHandler : public RenderViewHostObserver {
   void OnCloseWindow();
   void OnRequestDockWindow();
   void OnRequestUndockWindow();
+  void OnSaveAs(const std::string& file_name,
+                const std::string& content);
   void OnRuntimePropertyChanged(const std::string& name,
                                 const std::string& value);
 
diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index e2a370a..e460f69 100644
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -398,6 +398,8 @@
         'browser/debugger/debugger_remote_service.h',
         'browser/debugger/devtools_client_host.cc',
         'browser/debugger/devtools_client_host.h',
+        'browser/debugger/devtools_file_util.cc',
+        'browser/debugger/devtools_file_util.h',
         'browser/debugger/devtools_http_protocol_handler.cc',
         'browser/debugger/devtools_http_protocol_handler.h',
         'browser/debugger/devtools_manager.cc',
diff --git a/chrome/common/devtools_messages.h b/chrome/common/devtools_messages.h
index a20b598..e3275766 100644
--- a/chrome/common/devtools_messages.h
+++ b/chrome/common/devtools_messages.h
@@ -130,6 +130,11 @@ IPC_MESSAGE_ROUTED0(DevToolsHostMsg_RequestDockWindow)
 // Detaches dev tools window that is inspecting current render_view_host.
 IPC_MESSAGE_ROUTED0(DevToolsHostMsg_RequestUndockWindow)
 
+// Shows Save As dialog for content.
+IPC_MESSAGE_ROUTED2(DevToolsHostMsg_SaveAs,
+                    std::string /* file_name */,
+                    std::string /* content */)
+
 // Updates runtime features store in devtools manager in order to support
 // cross-navigation instrumentation.
 IPC_MESSAGE_ROUTED2(DevToolsHostMsg_RuntimePropertyChanged,
diff --git a/chrome/renderer/devtools_client.cc b/chrome/renderer/devtools_client.cc
index 32f101a..ac6c090 100644
--- a/chrome/renderer/devtools_client.cc
+++ b/chrome/renderer/devtools_client.cc
@@ -76,6 +76,13 @@ void DevToolsClient::requestUndockWindow() {
   Send(new DevToolsHostMsg_RequestUndockWindow(routing_id()));
 }
 
+void DevToolsClient::saveAs(const WebKit::WebString& file_name,
+                            const WebKit::WebString& content) {
+  Send(new DevToolsHostMsg_SaveAs(routing_id(),
+                                  file_name.utf8(),
+                                  content.utf8()));
+}
+
 void DevToolsClient::OnDispatchOnInspectorFrontend(const std::string& message) {
   web_tools_frontend_->dispatchOnInspectorFrontend(
       WebString::fromUTF8(message));
diff --git a/chrome/renderer/devtools_client.h b/chrome/renderer/devtools_client.h
index e305a46..c4687fc 100644
--- a/chrome/renderer/devtools_client.h
+++ b/chrome/renderer/devtools_client.h
@@ -47,6 +47,8 @@ class DevToolsClient : public RenderViewObserver,
   virtual void closeWindow();
   virtual void requestDockWindow();
   virtual void requestUndockWindow();
+  virtual void saveAs(const WebKit::WebString& file_name,
+                      const WebKit::WebString& content);
 
   virtual bool shouldHideScriptsPanel();