| // Copyright (c) 2012 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 "ui/snapshot/snapshot.h" |
| |
| #import <Cocoa/Cocoa.h> |
| |
| #include "base/callback.h" |
| #include "base/logging.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/mac/sdk_forward_declarations.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/image/image.h" |
| |
| namespace ui { |
| |
| bool GrabViewSnapshot(gfx::NativeView native_view, |
| const gfx::Rect& snapshot_bounds, |
| gfx::Image* image) { |
| NSView* view = native_view.GetNativeNSView(); |
| NSWindow* window = [view window]; |
| NSScreen* screen = [[NSScreen screens] firstObject]; |
| gfx::Rect screen_bounds = gfx::Rect(NSRectToCGRect([screen frame])); |
| |
| |
| // Get the view bounds relative to the screen |
| NSRect frame = [view convertRect:[view bounds] toView:nil]; |
| frame = [window convertRectToScreen:frame]; |
| |
| gfx::Rect view_bounds = gfx::Rect(NSRectToCGRect(frame)); |
| |
| // Flip window coordinates based on the primary screen. |
| view_bounds.set_y( |
| screen_bounds.height() - view_bounds.y() - view_bounds.height()); |
| |
| // Convert snapshot bounds relative to window into bounds relative to |
| // screen. |
| gfx::Rect screen_snapshot_bounds = snapshot_bounds; |
| screen_snapshot_bounds.Offset(view_bounds.OffsetFromOrigin()); |
| |
| DCHECK_LE(screen_snapshot_bounds.right(), view_bounds.right()); |
| DCHECK_LE(screen_snapshot_bounds.bottom(), view_bounds.bottom()); |
| |
| base::ScopedCFTypeRef<CGImageRef> windowSnapshot( |
| CGWindowListCreateImage(screen_snapshot_bounds.ToCGRect(), |
| kCGWindowListOptionIncludingWindow, |
| [window windowNumber], |
| kCGWindowImageBoundsIgnoreFraming)); |
| if (CGImageGetWidth(windowSnapshot) <= 0) |
| return false; |
| |
| *image = |
| gfx::Image([[[NSImage alloc] initWithCGImage:windowSnapshot |
| size:NSZeroSize] autorelease]); |
| return true; |
| } |
| |
| bool GrabWindowSnapshot(gfx::NativeWindow native_window, |
| const gfx::Rect& snapshot_bounds, |
| gfx::Image* image) { |
| // Make sure to grab the "window frame" view so we get current tab + |
| // tabstrip. |
| NSWindow* window = native_window.GetNativeNSWindow(); |
| return GrabViewSnapshot([[window contentView] superview], snapshot_bounds, |
| image); |
| } |
| |
| void GrabWindowSnapshotAndScaleAsync( |
| gfx::NativeWindow window, |
| const gfx::Rect& snapshot_bounds, |
| const gfx::Size& target_size, |
| GrabWindowSnapshotAsyncCallback callback) { |
| callback.Run(gfx::Image()); |
| } |
| |
| void GrabViewSnapshotAsync(gfx::NativeView view, |
| const gfx::Rect& source_rect, |
| const GrabWindowSnapshotAsyncCallback& callback) { |
| callback.Run(gfx::Image()); |
| } |
| |
| void GrabWindowSnapshotAsync(gfx::NativeWindow native_window, |
| const gfx::Rect& source_rect, |
| const GrabWindowSnapshotAsyncCallback& callback) { |
| NSWindow* window = native_window.GetNativeNSWindow(); |
| return GrabViewSnapshotAsync([[window contentView] superview], source_rect, |
| callback); |
| } |
| |
| } // namespace ui |