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Side by Side Diff: chrome/browser/renderer_host/backing_store_mac.h

Issue 6532073: Move core pieces of browser\renderer_host to src\content. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 10 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_ 5 #ifndef CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
6 #define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_ 6 #define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
7 #pragma once 7 #pragma once
8 8
9 #include "base/basictypes.h" 9 // TODO(jam): remove this file when all files have been converted.
10 #include "base/mac/scoped_cftyperef.h" 10 #include "content/browser/renderer_host/backing_store_mac.h"
11 #include "chrome/browser/renderer_host/backing_store.h"
12
13 class BackingStoreMac : public BackingStore {
14 public:
15 BackingStoreMac(RenderWidgetHost* widget, const gfx::Size& size);
16 virtual ~BackingStoreMac();
17
18 // A CGLayer that stores the contents of the backing store, cached in GPU
19 // memory if possible.
20 CGLayerRef cg_layer() { return cg_layer_; }
21
22 // A CGBitmapContext that stores the contents of the backing store if the
23 // corresponding Cocoa view has not been inserted into an NSWindow yet.
24 CGContextRef cg_bitmap() { return cg_bitmap_; }
25
26 // BackingStore implementation.
27 virtual void PaintToBackingStore(
28 RenderProcessHost* process,
29 TransportDIB::Id bitmap,
30 const gfx::Rect& bitmap_rect,
31 const std::vector<gfx::Rect>& copy_rects);
32 virtual bool CopyFromBackingStore(const gfx::Rect& rect,
33 skia::PlatformCanvas* output);
34 virtual void ScrollBackingStore(int dx, int dy,
35 const gfx::Rect& clip_rect,
36 const gfx::Size& view_size);
37
38 private:
39 // Creates a CGLayer associated with its owner view's window's graphics
40 // context, sized properly for the backing store. Returns NULL if the owner
41 // is not in a window with a CGContext. cg_layer_ is assigned this method's
42 // result.
43 CGLayerRef CreateCGLayer();
44
45 // Creates a CGBitmapContext sized properly for the backing store. The
46 // owner view need not be in a window. cg_bitmap_ is assigned this method's
47 // result.
48 CGContextRef CreateCGBitmapContext();
49
50 base::mac::ScopedCFTypeRef<CGContextRef> cg_bitmap_;
51 base::mac::ScopedCFTypeRef<CGLayerRef> cg_layer_;
52
53 DISALLOW_COPY_AND_ASSIGN(BackingStoreMac);
54 };
55 11
56 #endif // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_ 12 #endif // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
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