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Windows: Improvements to off-screen rendering support (issue #518).

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- Implement support for transparency. Change the backing store to use Skia instead of GDI and to keep alpha values.
- Implement support for select popups. Requires a patch to Chromium (content_popups.patch).
- Implicitly disable accelerated compositing when using off-screen rendering.
- Introduce a new CefMouseEvent structure for representing mouse event information passed to CefBrowser methods.
- Merge cef_key_event_modifiers_t into cef_event_flags_t.
- Add a new argument to CefBrowser::Invalidate telling the browser whether to invalidate the select popup or the main view.
- Add a new cefclient "transparent-painting-enabled" command-line flag to test transparent off-screen rendering.
- Add a new cefclient "Transparency" test.
- Fix the cefclient off-screen rendering rotation effect to work even when the underlying web content is not updating.
- Add unit tests for transparent painting and select popups.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@979 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2013-01-11 23:00:39 +00:00
parent a463095bd9
commit 7d3bac19a9
41 changed files with 1571 additions and 470 deletions
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44
libcef/browser/browser_host_impl.h
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@ -35,8 +35,9 @@ struct NativeWebKeyboardEvent;
}
namespace WebKit {
class WebMouseEvent;
class WebMouseWheelEvent;
class WebMouseEvent;
class WebMouseWheelEvent;
class WebInputEvent;
}
namespace net {
@ -125,12 +126,15 @@ class CefBrowserHostImpl : public CefBrowserHost,
CefRefPtr<CefRunFileDialogCallback> callback) OVERRIDE;
virtual bool IsWindowRenderingDisabled() OVERRIDE;
virtual void WasResized() OVERRIDE;
virtual void Invalidate(const CefRect& dirtyRect) OVERRIDE;
virtual void Invalidate(const CefRect& dirtyRect,
PaintElementType type) OVERRIDE;
virtual void SendKeyEvent(const CefKeyEvent& event) OVERRIDE;
virtual void SendMouseClickEvent(int x, int y, MouseButtonType type,
virtual void SendMouseClickEvent(const CefMouseEvent& event,
MouseButtonType type,
bool mouseUp, int clickCount) OVERRIDE;
virtual void SendMouseMoveEvent(int x, int y, bool mouseLeave) OVERRIDE;
virtual void SendMouseWheelEvent(int x, int y,
virtual void SendMouseMoveEvent(const CefMouseEvent& event,
bool mouseLeave) OVERRIDE;
virtual void SendMouseWheelEvent(const CefMouseEvent& event,
int deltaX, int deltaY) OVERRIDE;
virtual void SendFocusEvent(bool setFocus) OVERRIDE;
virtual void SendCaptureLostEvent() OVERRIDE;
@ -221,6 +225,8 @@ class CefBrowserHostImpl : public CefBrowserHost,
// Returns the URL that is currently loading (or loaded) in the main frame.
GURL GetLoadingURL();
bool IsTransparent();
#if defined(OS_WIN)
static void RegisterWindowClass();
#endif
@ -385,16 +391,22 @@ class CefBrowserHostImpl : public CefBrowserHost,
void PlatformRunFileChooser(const content::FileChooserParams& params,
RunFileChooserCallback callback);
static bool PlatformTranslateKeyEvent(gfx::NativeEvent& native_event,
const CefKeyEvent& key_event);
static bool PlatformTranslateClickEvent(WebKit::WebMouseEvent& ev,
int x, int y, MouseButtonType type,
bool mouseUp, int clickCount);
static bool PlatformTranslateMoveEvent(WebKit::WebMouseEvent& ev,
int x, int y, bool mouseLeave);
static bool PlatformTranslateWheelEvent(WebKit::WebMouseWheelEvent& ev,
int x, int y,
int deltaX, int deltaY);
void PlatformTranslateKeyEvent(content::NativeWebKeyboardEvent& native_event,
const CefKeyEvent& key_event);
void PlatformTranslateClickEvent(WebKit::WebMouseEvent& web_event,
const CefMouseEvent& mouse_event,
CefBrowserHost::MouseButtonType type,
bool mouseUp, int clickCount);
void PlatformTranslateMoveEvent(WebKit::WebMouseEvent& web_event,
const CefMouseEvent& mouse_event,
bool mouseLeave);
void PlatformTranslateWheelEvent(WebKit::WebMouseWheelEvent& web_event,
const CefMouseEvent& mouse_event,
int deltaX, int deltaY);
void PlatformTranslateMouseEvent(WebKit::WebMouseEvent& web_event,
const CefMouseEvent& mouse_event);
int TranslateModifiers(uint32 cefKeyStates);
void SendMouseEvent(const WebKit::WebMouseEvent& web_event);
void OnAddressChange(CefRefPtr<CefFrame> frame,
const GURL& url);