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authorMatt A. Tobin <email@mattatobin.com>2020-02-20 11:22:40 -0500
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 12:48:53 +0200
commit85621ee9b30dd325b85eecb7137a0d3cb1d38c27 (patch)
tree58ea007f69579a4146409f87a2c7e5990717726b /widget/android/fennec/ThumbnailHelper.h
parentee6595e6deca4bb6d9008fb1495c5da7692a2b33 (diff)
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Issue #1053 - Remove Android Widget Toolkit specific files
Diffstat (limited to 'widget/android/fennec/ThumbnailHelper.h')
-rw-r--r--widget/android/fennec/ThumbnailHelper.h302
1 files changed, 0 insertions, 302 deletions
diff --git a/widget/android/fennec/ThumbnailHelper.h b/widget/android/fennec/ThumbnailHelper.h
deleted file mode 100644
index 08fae787e..000000000
--- a/widget/android/fennec/ThumbnailHelper.h
+++ /dev/null
@@ -1,302 +0,0 @@
-/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef ThumbnailHelper_h
-#define ThumbnailHelper_h
-
-#include "AndroidBridge.h"
-#include "FennecJNINatives.h"
-#include "gfxPlatform.h"
-#include "mozIDOMWindow.h"
-#include "nsAppShell.h"
-#include "nsCOMPtr.h"
-#include "nsIChannel.h"
-#include "nsIDOMWindowUtils.h"
-#include "nsIDOMClientRect.h"
-#include "nsIDocShell.h"
-#include "nsIHttpChannel.h"
-#include "nsIPresShell.h"
-#include "nsIURI.h"
-#include "nsPIDOMWindow.h"
-#include "nsPresContext.h"
-
-#include "mozilla/Preferences.h"
-
-namespace mozilla {
-
-class ThumbnailHelper final
- : public java::ThumbnailHelper::Natives<ThumbnailHelper>
- , public java::ZoomedView::Natives<ThumbnailHelper>
-{
- ThumbnailHelper() = delete;
-
- static already_AddRefed<mozIDOMWindowProxy>
- GetWindowForTab(int32_t aTabId)
- {
- nsAppShell* const appShell = nsAppShell::Get();
- if (!appShell) {
- return nullptr;
- }
-
- nsCOMPtr<nsIAndroidBrowserApp> browserApp = appShell->GetBrowserApp();
- if (!browserApp) {
- return nullptr;
- }
-
- nsCOMPtr<mozIDOMWindowProxy> window;
- nsCOMPtr<nsIBrowserTab> tab;
-
- if (NS_FAILED(browserApp->GetBrowserTab(aTabId, getter_AddRefs(tab))) ||
- !tab ||
- NS_FAILED(tab->GetWindow(getter_AddRefs(window))) ||
- !window) {
- return nullptr;
- }
-
- return window.forget();
- }
-
- // Decides if we should store thumbnails for a given docshell based on the
- // presence of a Cache-Control: no-store header and the
- // "browser.cache.disk_cache_ssl" pref.
- static bool
- ShouldStoreThumbnail(nsIDocShell* docShell)
- {
- nsCOMPtr<nsIChannel> channel;
- if (NS_FAILED(docShell->GetCurrentDocumentChannel(
- getter_AddRefs(channel))) || !channel) {
- return false;
- }
-
- nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(channel);
- if (!httpChannel) {
- // Allow storing non-HTTP thumbnails.
- return true;
- }
-
- // Don't store thumbnails for sites that didn't load or have
- // Cache-Control: no-store.
- uint32_t responseStatus = 0;
- bool isNoStoreResponse = false;
-
- if (NS_FAILED(httpChannel->GetResponseStatus(&responseStatus)) ||
- (responseStatus / 100) != 2 ||
- NS_FAILED(httpChannel->IsNoStoreResponse(&isNoStoreResponse)) ||
- isNoStoreResponse) {
- return false;
- }
-
- // Deny storage if we're viewing a HTTPS page with a 'Cache-Control'
- // header having a value that is not 'public', unless enabled by user.
- nsCOMPtr<nsIURI> uri;
- bool isHttps = false;
-
- if (NS_FAILED(channel->GetURI(getter_AddRefs(uri))) ||
- !uri ||
- NS_FAILED(uri->SchemeIs("https", &isHttps))) {
- return false;
- }
-
- if (!isHttps ||
- Preferences::GetBool("browser.cache.disk_cache_ssl", false)) {
- // Allow storing non-HTTPS thumbnails, and HTTPS ones if enabled by
- // user.
- return true;
- }
-
- nsAutoCString cacheControl;
- if (NS_FAILED(httpChannel->GetResponseHeader(
- NS_LITERAL_CSTRING("Cache-Control"), cacheControl))) {
- return false;
- }
-
- if (cacheControl.IsEmpty() ||
- cacheControl.LowerCaseEqualsLiteral("public")) {
- // Allow no cache-control, or public cache-control.
- return true;
- }
- return false;
- }
-
- // Return a non-null nsIDocShell to indicate success.
- static already_AddRefed<nsIDocShell>
- GetThumbnailAndDocShell(mozIDOMWindowProxy* aWindow,
- jni::ByteBuffer::Param aData,
- int32_t aThumbWidth, int32_t aThumbHeight,
- const CSSRect& aPageRect, float aZoomFactor)
- {
- nsCOMPtr<nsPIDOMWindowOuter> win = nsPIDOMWindowOuter::From(aWindow);
- nsCOMPtr<nsIDocShell> docShell = win->GetDocShell();
- RefPtr<nsPresContext> presContext;
-
- if (!docShell || NS_FAILED(docShell->GetPresContext(
- getter_AddRefs(presContext))) || !presContext) {
- return nullptr;
- }
-
- uint8_t* const data = static_cast<uint8_t*>(aData->Address());
- if (!data) {
- return nullptr;
- }
-
- const bool is24bit = !AndroidBridge::Bridge() ||
- AndroidBridge::Bridge()->GetScreenDepth() == 24;
- const uint32_t stride = aThumbWidth * (is24bit ? 4 : 2);
-
- RefPtr<DrawTarget> dt = gfxPlatform::GetPlatform()->CreateDrawTargetForData(
- data,
- IntSize(aThumbWidth, aThumbHeight),
- stride,
- is24bit ? SurfaceFormat::B8G8R8A8
- : SurfaceFormat::R5G6B5_UINT16);
-
- if (!dt || !dt->IsValid()) {
- return nullptr;
- }
-
- nsCOMPtr<nsIPresShell> presShell = presContext->PresShell();
- RefPtr<gfxContext> context = gfxContext::CreateOrNull(dt);
- MOZ_ASSERT(context); // checked the draw target above
-
- context->SetMatrix(context->CurrentMatrix().Scale(
- aZoomFactor * float(aThumbWidth) / aPageRect.width,
- aZoomFactor * float(aThumbHeight) / aPageRect.height));
-
- const nsRect drawRect(
- nsPresContext::CSSPixelsToAppUnits(aPageRect.x),
- nsPresContext::CSSPixelsToAppUnits(aPageRect.y),
- nsPresContext::CSSPixelsToAppUnits(aPageRect.width),
- nsPresContext::CSSPixelsToAppUnits(aPageRect.height));
- const uint32_t renderDocFlags =
- nsIPresShell::RENDER_IGNORE_VIEWPORT_SCROLLING |
- nsIPresShell::RENDER_DOCUMENT_RELATIVE;
- const nscolor bgColor = NS_RGB(255, 255, 255);
-
- if (NS_FAILED(presShell->RenderDocument(
- drawRect, renderDocFlags, bgColor, context))) {
- return nullptr;
- }
-
- if (is24bit) {
- gfxUtils::ConvertBGRAtoRGBA(data, stride * aThumbHeight);
- }
-
- return docShell.forget();
- }
-
-public:
- static void Init()
- {
- java::ThumbnailHelper::Natives<ThumbnailHelper>::Init();
- java::ZoomedView::Natives<ThumbnailHelper>::Init();
- }
-
- template<class Functor>
- static void OnNativeCall(Functor&& aCall)
- {
- class IdleEvent : public nsAppShell::LambdaEvent<Functor>
- {
- using Base = nsAppShell::LambdaEvent<Functor>;
-
- public:
- IdleEvent(Functor&& aCall)
- : Base(Forward<Functor>(aCall))
- {}
-
- void Run() override
- {
- MessageLoop::current()->PostIdleTask(
- NS_NewRunnableFunction(Move(Base::lambda)));
- }
- };
-
- // Invoke RequestThumbnail on the main thread when the thread is idle.
- nsAppShell::PostEvent(MakeUnique<IdleEvent>(Forward<Functor>(aCall)));
- }
-
- static void
- RequestThumbnail(jni::ByteBuffer::Param aData, jni::Object::Param aTab,
- int32_t aTabId, int32_t aWidth, int32_t aHeight)
- {
- nsCOMPtr<mozIDOMWindowProxy> window = GetWindowForTab(aTabId);
- if (!window || !aData) {
- java::ThumbnailHelper::NotifyThumbnail(
- aData, aTab, /* success */ false, /* store */ false);
- return;
- }
-
- // take a screenshot, as wide as possible, proportional to the destination size
- nsCOMPtr<nsIDOMWindowUtils> utils = do_GetInterface(window);
- nsCOMPtr<nsIDOMClientRect> rect;
- float pageLeft = 0.0f, pageTop = 0.0f, pageWidth = 0.0f, pageHeight = 0.0f;
-
- if (!utils ||
- NS_FAILED(utils->GetRootBounds(getter_AddRefs(rect))) ||
- !rect ||
- NS_FAILED(rect->GetLeft(&pageLeft)) ||
- NS_FAILED(rect->GetTop(&pageTop)) ||
- NS_FAILED(rect->GetWidth(&pageWidth)) ||
- NS_FAILED(rect->GetHeight(&pageHeight)) ||
- int32_t(pageWidth) == 0 || int32_t(pageHeight) == 0) {
- java::ThumbnailHelper::NotifyThumbnail(
- aData, aTab, /* success */ false, /* store */ false);
- return;
- }
-
- const float aspectRatio = float(aWidth) / float(aHeight);
- if (pageWidth / aspectRatio < pageHeight) {
- pageHeight = pageWidth / aspectRatio;
- } else {
- pageWidth = pageHeight * aspectRatio;
- }
-
- nsCOMPtr<nsIDocShell> docShell = GetThumbnailAndDocShell(
- window, aData, aWidth, aHeight,
- CSSRect(pageLeft, pageTop, pageWidth, pageHeight),
- /* aZoomFactor */ 1.0f);
- const bool success = !!docShell;
- const bool store = success ? ShouldStoreThumbnail(docShell) : false;
-
- java::ThumbnailHelper::NotifyThumbnail(aData, aTab, success, store);
- }
-
- static void
- RequestZoomedViewData(jni::ByteBuffer::Param aData, int32_t aTabId,
- int32_t aX, int32_t aY,
- int32_t aWidth, int32_t aHeight, float aScale)
- {
- nsCOMPtr<mozIDOMWindowProxy> window = GetWindowForTab(aTabId);
- if (!window || !aData) {
- return;
- }
-
- nsCOMPtr<nsPIDOMWindowOuter> win = nsPIDOMWindowOuter::From(window);
- nsCOMPtr<nsIDocShell> docShell = win->GetDocShell();
- RefPtr<nsPresContext> presContext;
-
- if (!docShell || NS_FAILED(docShell->GetPresContext(
- getter_AddRefs(presContext))) || !presContext) {
- return;
- }
-
- nsCOMPtr<nsIPresShell> presShell = presContext->PresShell();
- LayoutDeviceRect rect = LayoutDeviceRect(aX, aY, aWidth, aHeight);
- const float resolution = presShell->GetCumulativeResolution();
- rect.Scale(1.0f / LayoutDeviceToLayerScale(resolution).scale);
-
- docShell = GetThumbnailAndDocShell(
- window, aData, aWidth, aHeight, CSSRect::FromAppUnits(
- rect.ToAppUnits(rect, presContext->AppUnitsPerDevPixel())),
- aScale);
-
- if (docShell) {
- java::LayerView::UpdateZoomedView(aData);
- }
- }
-};
-
-} // namespace mozilla
-
-#endif // ThumbnailHelper_h