Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 212 insertions, 0 deletions

diff --git a/chrome/browser/download_util.h b/chrome/browser/download_util.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Download utilities.
+
+#ifndef CHROME_BROWSER_DOWNLOAD_UTIL_H__
+#define CHROME_BROWSER_DOWNLOAD_UTIL_H__
+
+#include <objidl.h>
+
+#include "base/basictypes.h"
+#include "base/task.h"
+#include "chrome/browser/views/download_item_view.h"
+#include "chrome/views/event.h"
+#include "chrome/views/menu.h"
+#include "chrome/views/view.h"
+
+class DownloadItem;
+class SkBitmap;
+
+namespace download_util {
+
+// DownloadContextMenu ---------------------------------------------------------
+
+// The base class of context menus that provides the various commands.
+// Subclasses are responsible for creating and running the menu.
+class BaseContextMenu : public Menu::Delegate {
+ public:
+  explicit BaseContextMenu(DownloadItem* download);
+  virtual ~BaseContextMenu();
+
+  enum ContextMenuCommands {
+    SHOW_IN_FOLDER = 1,  // Open an Explorer window with the item highlighted
+    COPY_LINK,           // Copy the download's URL to the clipboard
+    COPY_PATH,           // Copy the download's full path to the clipboard
+    COPY_FILE,           // Copy the downloaded file to the clipboard
+    OPEN_WHEN_COMPLETE,  // Open the download when it's finished
+    ALWAYS_OPEN_TYPE,    // Default this file extension to always open
+    REMOVE_ITEM,         // Remove the download
+    CANCEL,              // Cancel the download
+    MENU_LAST
+  };
+
+  // Menu::Delegate interface
+  virtual bool IsItemChecked(int id) const;
+  virtual bool IsItemDefault(int id) const;
+  virtual std::wstring GetLabel(int id) const;
+  virtual bool SupportsCommand(int id) const;
+  virtual bool IsCommandEnabled(int id) const;
+  virtual void ExecuteCommand(int id);
+
+ protected:
+  // Information source.
+  DownloadItem* download_;
+
+ private:
+  DISALLOW_EVIL_CONSTRUCTORS(BaseContextMenu);
+};
+
+// Menu for the download shelf.
+class DownloadShelfContextMenu : public BaseContextMenu {
+ public:
+  DownloadShelfContextMenu(DownloadItem* download,
+                           HWND window,
+                           DownloadItemView::BaseDownloadItemModel* model,
+                           const CPoint& point);
+  virtual ~DownloadShelfContextMenu();
+
+  virtual bool IsItemDefault(int id) const;
+  virtual void ExecuteCommand(int id);
+
+ private:
+  // A model to control the cancel behavior.
+  DownloadItemView::BaseDownloadItemModel* model_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(DownloadShelfContextMenu);
+};
+
+// Menu for the download destination view.
+class DownloadDestinationContextMenu : public BaseContextMenu {
+ public:
+  DownloadDestinationContextMenu(DownloadItem* download,
+                                 HWND window,
+                                 const CPoint& point);
+  virtual ~DownloadDestinationContextMenu();
+
+ private:
+  DISALLOW_EVIL_CONSTRUCTORS(DownloadDestinationContextMenu);
+};
+
+// DownloadProgressTask --------------------------------------------------------
+
+// A class for managing the timed progress animations for a download view. The
+// view must implement an UpdateDownloadProgress() method.
+template<class DownloadView>
+class DownloadProgressTask : public Task {
+ public:
+  DownloadProgressTask(DownloadView* view) : view_(view) {}
+  virtual ~DownloadProgressTask() {}
+  virtual void Run() {
+    view_->UpdateDownloadProgress();
+  }
+ private:
+  DownloadView* view_;
+  DISALLOW_EVIL_CONSTRUCTORS(DownloadProgressTask);
+};
+
+// Download opening ------------------------------------------------------------
+
+// Whether it is OK to open this download.
+bool CanOpenDownload(DownloadItem* download);
+
+// Open the file associated with this download (wait for the download to
+// complete if it is in progress).
+void OpenDownload(DownloadItem* download);
+
+// Download progress animations ------------------------------------------------
+
+// Arc sweep angle for use with downloads of unknown size
+const int kUnknownAngleDegrees = 50;
+
+// Rate of progress for use with downloads of unknown size
+const int kUnknownIncrementDegrees = 12;
+
+// Start angle for downloads with known size (midnight position)
+const int kStartAngleDegrees = -90;
+
+// A circle
+const int kMaxDegrees = 360;
+
+// Progress animation timer period, in milliseconds.
+const int kProgressRateMs = 150;
+
+enum PaintDownloadProgressSize {
+  SMALL = 0,
+  BIG
+};
+
+// Returns the expected size of the icon displayed in the progress halo.
+int GetIconSize(PaintDownloadProgressSize size);
+
+// Returns the size of our progress halo around the icon.
+int GetProgressIconSize(PaintDownloadProgressSize size);
+
+// Returns the offset required to center the icon in the progress bitmaps.
+int GetProgressIconOffset(PaintDownloadProgressSize size);
+
+// Paint the common download animation progress foreground and background,
+// clipping the foreground to 'percent' full. If percent is -1, then we don't
+// know the total size, so we just draw a rotating segment until we're done.
+//
+// |containing_view| is the View subclass within which the progress animation
+// is drawn (generally either DownloadItemTabView or DownloadItemView). We
+// require the containing View in addition to the canvas because if we are
+// drawing in a right-to-left locale, we need to mirror the position of the
+// progress animation within the containing View.
+void PaintDownloadProgress(ChromeCanvas* canvas,
+                           ChromeViews::View* containing_view,
+                           int origin_x,
+                           int origin_y,
+                           int start_angle,
+                           int percent,
+                           PaintDownloadProgressSize size);
+
+void PaintDownloadComplete(ChromeCanvas* canvas,
+                           ChromeViews::View* containing_view,
+                           int origin_x,
+                           int origin_y,
+                           double animation_progress,
+                           PaintDownloadProgressSize size);
+
+// Drag support ----------------------------------------------------------------
+
+// Helper function for download views to use when acting as a drag source for a
+// DownloadItem. If 'icon' is NULL, no image will be accompany the drag.
+void DragDownload(const DownloadItem* download, SkBitmap* icon);
+
+// Executable file support -----------------------------------------------------
+
+// Copy all executable file extensions.
+void InitializeExeTypes(std::set<std::wstring>* exe_extensions);
+
+}  // namespace download_util
+
+
+#endif  // CHROME_BROWSER_DOWNLOAD_UTIL_H__