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bug 746016 - Cache low res version of the page in the java ui for use instead of checkerboarding r=kats

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This commit is contained in:
Brad Lassey
2012-04-24 15:13:36 -04:00
parent d04111ac23
commit d1c25e9164
20 changed files with 559 additions and 43 deletions
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83
widget/android/nsAppShell.cpp
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@@ -49,6 +49,10 @@
#include "nsIAppStartup.h"
#include "nsIGeolocationProvider.h"
#include "nsCacheService.h"
#include "nsIDOMEventListener.h"
#include "nsDOMNotifyPaintEvent.h"
#include "nsIDOMClientRectList.h"
#include "nsIDOMClientRect.h"
#include "mozilla/Services.h"
#include "mozilla/unused.h"
@@ -92,6 +96,64 @@ nsAppShell *nsAppShell::gAppShell = nsnull;
NS_IMPL_ISUPPORTS_INHERITED1(nsAppShell, nsBaseAppShell, nsIObserver)
class AfterPaintListener : public nsIDOMEventListener {
public:
NS_DECL_ISUPPORTS
void Register(nsIDOMWindow* window) {
if (mEventTarget)
Unregister();
nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(window);
if (!win)
return;
mEventTarget = win->GetChromeEventHandler();
if (mEventTarget)
mEventTarget->AddEventListener(NS_LITERAL_STRING("MozAfterPaint"), this, false);
}
void Unregister() {
if (mEventTarget)
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("MozAfterPaint"), this, false);
mEventTarget = nsnull;
}
virtual nsresult HandleEvent(nsIDOMEvent* aEvent) {
nsCOMPtr<nsIDOMNotifyPaintEvent> paintEvent = do_QueryInterface(aEvent);
if (!paintEvent)
return NS_OK;
nsCOMPtr<nsIDOMClientRectList> rects;
paintEvent->GetClientRects(getter_AddRefs(rects));
if (!rects)
return NS_OK;
PRUint32 length;
rects->GetLength(&length);
for (PRUint32 i = 0; i < length; ++i) {
float top, left, bottom, right;
nsCOMPtr<nsIDOMClientRect> rect = rects->GetItemAt(i);
if (!rect)
continue;
rect->GetTop(&top);
rect->GetLeft(&left);
rect->GetRight(&right);
rect->GetBottom(&bottom);
AndroidBridge::NotifyPaintedRect(top, left, bottom, right);
}
return NS_OK;
}
~AfterPaintListener() {
if (mEventTarget)
Unregister();
}
private:
nsCOMPtr<nsIDOMEventTarget> mEventTarget;
};
NS_IMPL_ISUPPORTS1(AfterPaintListener, nsIDOMEventListener)
nsCOMPtr<AfterPaintListener> sAfterPaintListener = nsnull;
nsAppShell::nsAppShell()
: mQueueLock("nsAppShell.mQueueLock"),
mCondLock("nsAppShell.mCondLock"),
@@ -101,11 +163,13 @@ nsAppShell::nsAppShell()
mAllowCoalescingNextDraw(false)
{
gAppShell = this;
sAfterPaintListener = new AfterPaintListener();
}
nsAppShell::~nsAppShell()
{
gAppShell = nsnull;
delete sAfterPaintListener;
}
void
@@ -369,6 +433,21 @@ nsAppShell::ProcessNextNativeEvent(bool mayWait)
break;
}
case AndroidGeckoEvent::PAINT_LISTEN_START_EVENT: {
nsCOMPtr<nsIDOMWindow> domWindow;
nsCOMPtr<nsIBrowserTab> tab;
mBrowserApp->GetBrowserTab(curEvent->MetaState(), getter_AddRefs(tab));
if (!tab)
break;
tab->GetWindow(getter_AddRefs(domWindow));
if (!domWindow)
break;
sAfterPaintListener->Register(domWindow);
break;
}
case AndroidGeckoEvent::SCREENSHOT: {
if (!mBrowserApp)
break;
@@ -392,8 +471,8 @@ nsAppShell::ProcessNextNativeEvent(bool mayWait)
break;
nsTArray<nsIntPoint> points = curEvent->Points();
NS_ASSERTION(points.Length() == 2, "Screenshot event does not have enough coordinates");
bridge->TakeScreenshot(domWindow, 0, 0, points[0].x, points[0].y, points[1].x, points[1].y, curEvent->MetaState(), scale);
NS_ASSERTION(points.Length() == 4, "Screenshot event does not have enough coordinates");
bridge->TakeScreenshot(domWindow, points[0].x, points[0].y, points[1].x, points[1].y, points[3].x, points[3].y, curEvent->MetaState(), scale, curEvent->Flags());
break;
}