Add chrome to the repository.

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

1 files changed, 456 insertions, 0 deletions

diff --git a/chrome/browser/download_util.cc b/chrome/browser/download_util.cc
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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 utility implementation
+
+#include <string>
+
+#include "chrome/browser/download_util.h"
+
+#include "base/base_drag_source.h"
+#include "base/file_util.h"
+#include "base/gfx/image_operations.h"
+#include "chrome/app/theme/theme_resources.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/download_manager.h"
+#include "chrome/common/clipboard_service.h"
+#include "chrome/browser/drag_utils.h"
+#include "chrome/common/gfx/chrome_canvas.h"
+#include "chrome/common/l10n_util.h"
+#include "chrome/common/os_exchange_data.h"
+#include "chrome/common/resource_bundle.h"
+#include "chrome/views/view.h"
+#include "generated_resources.h"
+#include "SkPath.h"
+#include "SkShader.h"
+
+namespace download_util {
+
+// BaseContextMenu -------------------------------------------------------------
+
+BaseContextMenu::BaseContextMenu(DownloadItem* download) : download_(download) {
+}
+
+BaseContextMenu::~BaseContextMenu() {
+}
+
+// How many times to cycle the complete animation. This should be an odd number
+// so that the animation ends faded out.
+static const int kCompleteAnimationCycles = 5;
+
+bool BaseContextMenu::IsItemChecked(int id) const {
+  switch (id) {
+    case OPEN_WHEN_COMPLETE:
+      return download_->open_when_complete();
+    case ALWAYS_OPEN_TYPE: {
+      const std::wstring extension =
+          file_util::GetFileExtensionFromPath(download_->full_path());
+      return download_->manager()->ShouldOpenFileExtension(extension);
+    }
+  }
+  return false;
+}
+
+bool BaseContextMenu::IsItemDefault(int id) const {
+  return false;
+}
+
+std::wstring BaseContextMenu::GetLabel(int id) const {
+  switch (id) {
+    case SHOW_IN_FOLDER:
+      return l10n_util::GetString(IDS_DOWNLOAD_LINK_SHOW);
+    case COPY_LINK:
+      return l10n_util::GetString(IDS_CONTENT_CONTEXT_COPYLINKLOCATION);
+    case COPY_PATH:
+      return l10n_util::GetString(IDS_DOWNLOAD_MENU_COPY_PATH);
+    case COPY_FILE:
+      return l10n_util::GetString(IDS_DOWNLOAD_MENU_COPY_FILE);
+    case OPEN_WHEN_COMPLETE:
+      if (download_->state() == DownloadItem::IN_PROGRESS)
+        return l10n_util::GetString(IDS_DOWNLOAD_MENU_OPEN_WHEN_COMPLETE);
+      return l10n_util::GetString(IDS_DOWNLOAD_MENU_OPEN);
+    case ALWAYS_OPEN_TYPE:
+      return l10n_util::GetString(IDS_DOWNLOAD_MENU_ALWAYS_OPEN_TYPE);
+    case REMOVE_ITEM:
+      return l10n_util::GetString(IDS_DOWNLOAD_MENU_REMOVE_ITEM);
+    case CANCEL:
+      return l10n_util::GetString(IDS_DOWNLOAD_MENU_CANCEL);
+    default:
+      NOTREACHED();
+  }
+  return std::wstring();
+}
+
+bool BaseContextMenu::SupportsCommand(int id) const {
+  return id > 0 && id < MENU_LAST;
+}
+
+bool BaseContextMenu::IsCommandEnabled(int id) const {
+  switch (id) {
+    case SHOW_IN_FOLDER:
+    case COPY_PATH:
+    case COPY_FILE:
+    case OPEN_WHEN_COMPLETE:
+      return download_->state() != DownloadItem::CANCELLED;
+    case ALWAYS_OPEN_TYPE:
+      return CanOpenDownload(download_);
+    case CANCEL:
+      return download_->state() == DownloadItem::IN_PROGRESS;
+    default:
+      return id > 0 && id < MENU_LAST;
+  }
+}
+
+void BaseContextMenu::ExecuteCommand(int id) {
+  ClipboardService* clipboard = g_browser_process->clipboard_service();
+  DCHECK(clipboard);
+  switch (id) {
+    case SHOW_IN_FOLDER:
+      download_->manager()->ShowDownloadInShell(download_);
+      break;
+    case COPY_LINK:
+      clipboard->Clear();
+      clipboard->WriteText(download_->url());
+      break;
+    case COPY_PATH:
+      clipboard->Clear();
+      clipboard->WriteText(download_->full_path());
+      break;
+    case COPY_FILE:
+      // TODO(paulg): Move to OSExchangeData when implementing drag and drop?
+      clipboard->Clear();
+      clipboard->WriteFile(download_->full_path());
+      break;
+    case OPEN_WHEN_COMPLETE:
+      OpenDownload(download_);
+      break;
+    case ALWAYS_OPEN_TYPE: {
+      const std::wstring extension =
+          file_util::GetFileExtensionFromPath(download_->full_path());
+      download_->manager()->OpenFilesOfExtension(
+          extension, !IsItemChecked(ALWAYS_OPEN_TYPE));
+      break;
+    }
+    case REMOVE_ITEM:
+      download_->Remove();
+      break;
+    case CANCEL:
+      download_->Cancel(true);
+      break;
+    default:
+      NOTREACHED();
+  }
+}
+
+// DownloadShelfContextMenu ----------------------------------------------------
+
+DownloadShelfContextMenu::DownloadShelfContextMenu(
+    DownloadItem* download,
+    HWND window,
+    DownloadItemView::BaseDownloadItemModel* model,
+    const CPoint& point)
+    : BaseContextMenu(download),
+      model_(model) {
+  DCHECK(model_);
+
+  // The menu's anchor point is determined based on the UI layout.
+  Menu::AnchorPoint anchor_point;
+  if (l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT)
+    anchor_point = Menu::TOPRIGHT;
+  else
+    anchor_point = Menu::TOPLEFT;
+
+  Menu context_menu(this, anchor_point, window);
+  if (download->state() == DownloadItem::COMPLETE)
+    context_menu.AppendMenuItem(OPEN_WHEN_COMPLETE, L"", Menu::NORMAL);
+  else
+    context_menu.AppendMenuItem(OPEN_WHEN_COMPLETE, L"", Menu::CHECKBOX);
+  context_menu.AppendMenuItem(ALWAYS_OPEN_TYPE, L"", Menu::CHECKBOX);
+  context_menu.AppendSeparator();
+  context_menu.AppendMenuItem(SHOW_IN_FOLDER, L"", Menu::NORMAL);
+  context_menu.AppendSeparator();
+  context_menu.AppendMenuItem(CANCEL, L"", Menu::NORMAL);
+  context_menu.RunMenuAt(point.x, point.y);
+}
+
+DownloadShelfContextMenu::~DownloadShelfContextMenu() {
+}
+
+bool DownloadShelfContextMenu::IsItemDefault(int id) const {
+  return id == OPEN_WHEN_COMPLETE;
+}
+
+void DownloadShelfContextMenu::ExecuteCommand(int id) {
+  if (id == CANCEL)
+    model_->CancelTask();
+  else
+    BaseContextMenu::ExecuteCommand(id);
+}
+
+// DownloadDestinationContextMenu ----------------------------------------------
+
+DownloadDestinationContextMenu::DownloadDestinationContextMenu(
+    DownloadItem* download,
+    HWND window,
+    const CPoint& point)
+    : BaseContextMenu(download) {
+  // The menu's anchor point is determined based on the UI layout.
+  Menu::AnchorPoint anchor_point;
+  if (l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT)
+    anchor_point = Menu::TOPRIGHT;
+  else
+    anchor_point = Menu::TOPLEFT;
+
+  Menu context_menu(this, anchor_point, window);
+  context_menu.AppendMenuItem(SHOW_IN_FOLDER, L"", Menu::NORMAL);
+  context_menu.AppendSeparator();
+  context_menu.AppendMenuItem(COPY_LINK, L"", Menu::NORMAL);
+  context_menu.AppendMenuItem(COPY_PATH, L"", Menu::NORMAL);
+  context_menu.AppendMenuItem(COPY_FILE, L"", Menu::NORMAL);
+  context_menu.AppendSeparator();
+  context_menu.AppendMenuItem(OPEN_WHEN_COMPLETE, L"", Menu::CHECKBOX);
+  context_menu.AppendMenuItem(ALWAYS_OPEN_TYPE, L"", Menu::CHECKBOX);
+  context_menu.AppendSeparator();
+  context_menu.AppendMenuItem(REMOVE_ITEM, L"", Menu::NORMAL);
+  context_menu.RunMenuAt(point.x, point.y);
+}
+
+DownloadDestinationContextMenu::~DownloadDestinationContextMenu() {
+}
+
+// Download opening ------------------------------------------------------------
+
+bool CanOpenDownload(DownloadItem* download) {
+  const std::wstring extension =
+      file_util::GetFileExtensionFromPath(download->full_path());
+  return !download->manager()->IsExecutable(extension);
+}
+
+void OpenDownload(DownloadItem* download) {
+  if (download->state() == DownloadItem::IN_PROGRESS)
+    download->set_open_when_complete(!download->open_when_complete());
+  else if (download->state() == DownloadItem::COMPLETE)
+    download->manager()->OpenDownloadInShell(download, NULL);
+}
+
+// Download progress painting --------------------------------------------------
+
+// Common bitmaps used for download progress animations. We load them once the
+// first time we do a progress paint, then reuse them as they are always the
+// same.
+SkBitmap* g_foreground_16 = NULL;
+SkBitmap* g_background_16 = NULL;
+SkBitmap* g_foreground_32 = NULL;
+SkBitmap* g_background_32 = NULL;
+
+void PaintDownloadProgress(ChromeCanvas* canvas,
+                           ChromeViews::View* containing_view,
+                           int origin_x,
+                           int origin_y,
+                           int start_angle,
+                           int percent_done,
+                           PaintDownloadProgressSize size) {
+  DCHECK(containing_view);
+
+  // Load up our common bitmaps
+  if (!g_background_16) {
+    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+    g_foreground_16 = rb.GetBitmapNamed(IDR_DOWNLOAD_PROGRESS_FOREGROUND_16);
+    g_background_16 = rb.GetBitmapNamed(IDR_DOWNLOAD_PROGRESS_BACKGROUND_16);
+    g_foreground_32 = rb.GetBitmapNamed(IDR_DOWNLOAD_PROGRESS_FOREGROUND_32);
+    g_background_32 = rb.GetBitmapNamed(IDR_DOWNLOAD_PROGRESS_BACKGROUND_32);
+  }
+
+  SkBitmap* background = (size == BIG) ? g_background_32 : g_background_16;
+  SkBitmap* foreground = (size == BIG) ? g_foreground_32 : g_foreground_16;
+
+  const int kProgressIconSize = GetProgressIconSize(size);
+
+  int height = background->height();
+
+  // We start by storing the bounds of the background and foreground bitmaps
+  // so that it is easy to mirror the bounds if the UI layout is RTL.
+  gfx::Rect background_bounds(origin_x, origin_y,
+                              background->width(), background->height());
+  gfx::Rect foreground_bounds(origin_x, origin_y,
+                              foreground->width(), foreground->height());
+
+  // Mirror the positions if necessary.
+  int mirrored_x = containing_view->MirroredLeftPointForRect(background_bounds);
+  background_bounds.set_x(mirrored_x);
+  mirrored_x = containing_view->MirroredLeftPointForRect(foreground_bounds);
+  foreground_bounds.set_x(mirrored_x);
+
+  // Draw the background progress image.
+  SkPaint background_paint;
+  canvas->DrawBitmapInt(*background,
+                        background_bounds.x(),
+                        background_bounds.y(),
+                        background_paint);
+
+  // Layer the foreground progress image in an arc proportional to the download
+  // progress. The arc grows clockwise, starting in the midnight position, as
+  // the download progresses. However, if the download does not have known total
+  // size (the server didn't give us one), then we just spin an arc around until
+  // we're done.
+  float sweep_angle = 0.0;
+  float start_pos = static_cast<float>(kStartAngleDegrees);
+  if (percent_done < 0) {
+    sweep_angle = kUnknownAngleDegrees;
+    start_pos = static_cast<float>(start_angle);
+  } else if (percent_done > 0) {
+    sweep_angle = static_cast<float>(kMaxDegrees / 100.0 * percent_done);
+  }
+
+  // Set up an arc clipping region for the foreground image. Don't bother using
+  // a clipping region if it would round to 360 (really 0) degrees, since that
+  // would eliminate the foreground completely and be quite confusing (it would
+  // look like 0% complete when it should be almost 100%).
+  SkPaint foreground_paint;
+  if (sweep_angle < static_cast<float>(kMaxDegrees - 1)) {
+    SkRect oval;
+    oval.set(SkIntToScalar(foreground_bounds.x()),
+             SkIntToScalar(foreground_bounds.y()),
+             SkIntToScalar(foreground_bounds.x() + kProgressIconSize),
+             SkIntToScalar(foreground_bounds.y() + kProgressIconSize));
+    SkPath path;
+    path.arcTo(oval,
+               SkFloatToScalar(start_pos),
+               SkFloatToScalar(sweep_angle), false);
+    path.lineTo(SkIntToScalar(foreground_bounds.x() + kProgressIconSize / 2),
+                SkIntToScalar(foreground_bounds.y() + kProgressIconSize / 2));
+
+    SkShader* shader =
+        SkShader::CreateBitmapShader(*foreground,
+                                     SkShader::kClamp_TileMode,
+                                     SkShader::kClamp_TileMode);
+    SkMatrix shader_scale;
+    shader_scale.setTranslate(SkIntToScalar(foreground_bounds.x()),
+                              SkIntToScalar(foreground_bounds.y()));
+    shader->setLocalMatrix(shader_scale);
+    foreground_paint.setShader(shader);
+    foreground_paint.setAntiAlias(true);
+    shader->unref();
+    canvas->drawPath(path, foreground_paint);
+    return;
+  }
+
+  canvas->DrawBitmapInt(*foreground,
+                        foreground_bounds.x(),
+                        foreground_bounds.y(),
+                        foreground_paint);
+}
+
+void PaintDownloadComplete(ChromeCanvas* canvas,
+                           ChromeViews::View* containing_view,
+                           int origin_x,
+                           int origin_y,
+                           double animation_progress,
+                           PaintDownloadProgressSize size) {
+  DCHECK(containing_view);
+
+  // Load up our common bitmaps.
+  if (!g_foreground_16) {
+    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+    g_foreground_16 = rb.GetBitmapNamed(IDR_DOWNLOAD_PROGRESS_FOREGROUND_16);
+    g_foreground_32 = rb.GetBitmapNamed(IDR_DOWNLOAD_PROGRESS_FOREGROUND_32);
+  }
+
+  SkBitmap* complete = (size == BIG) ? g_foreground_32 : g_foreground_16;
+
+  // Mirror the positions if necessary.
+  gfx::Rect complete_bounds(origin_x, origin_y,
+                            complete->width(), complete->height());
+  complete_bounds.set_x(
+      containing_view->MirroredLeftPointForRect(complete_bounds));
+
+  // Start at full opacity, then loop back and forth five times before ending
+  // at zero opacity.
+  static const double PI = 3.141592653589793;
+  double opacity = sin(animation_progress * PI * kCompleteAnimationCycles +
+                   PI/2) / 2 + 0.5;
+
+  SkRect bounds;
+  bounds.set(SkIntToScalar(complete_bounds.x()),
+             SkIntToScalar(complete_bounds.y()),
+             SkIntToScalar(complete_bounds.x() + complete_bounds.width()),
+             SkIntToScalar(complete_bounds.y() + complete_bounds.height()));
+  canvas->saveLayerAlpha(&bounds,
+                         static_cast<int>(255.0 * opacity),
+                         SkCanvas::kARGB_ClipLayer_SaveFlag);
+  canvas->drawARGB(0, 255, 255, 255, SkPorterDuff::kClear_Mode);
+  canvas->DrawBitmapInt(*complete, complete_bounds.x(), complete_bounds.y());
+  canvas->restore();
+}
+
+// XP and Vista must support icons of this size.
+const int kBigIconSize = 32;
+const int kSmallIconSize = 16;
+
+// Our progress halo around the icon
+const int kBigProgressIconSize = 52;
+const int kSmallProgressIconSize = 39;
+
+int GetIconSize(PaintDownloadProgressSize size) {
+  if (size == SMALL)
+    return kSmallIconSize;
+  return kBigIconSize;
+}
+
+int GetProgressIconSize(PaintDownloadProgressSize size) {
+  if (size == SMALL)
+    return kSmallProgressIconSize;
+  return kBigProgressIconSize ;
+}
+
+int GetProgressIconOffset(PaintDownloadProgressSize size) {
+  if (size == SMALL)
+    return (kSmallProgressIconSize - kSmallIconSize) / 2;
+  return (kBigProgressIconSize - kBigIconSize) / 2;
+}
+
+// Download dragging
+void DragDownload(const DownloadItem* download, SkBitmap* icon) {
+  DCHECK(download);
+
+  // Set up our OLE machinery
+  scoped_refptr<OSExchangeData> data(new OSExchangeData);
+  if (icon)
+    drag_utils::CreateDragImageForFile(download->file_name(), icon, data);
+  data->SetFilename(download->full_path());
+  scoped_refptr<BaseDragSource> drag_source(new BaseDragSource);
+
+  // Run the drag and drop loop
+  DWORD effects;
+  DoDragDrop(data.get(), drag_source.get(), DROPEFFECT_COPY | DROPEFFECT_LINK,
+             &effects);
+}
+
+
+}  // namespace download_util