chrome/test/data/pdf/viewport_test.js - Issue 347763007: Improve scrolling performance in OOP PDF

Unified Diff: chrome/test/data/pdf/viewport_test.js

Issue 347763007: Improve scrolling performance in OOP PDF (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 6 years, 6 months ago

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Index: chrome/test/data/pdf/viewport_test.js

diff --git a/chrome/test/data/pdf/viewport_test.js b/chrome/test/data/pdf/viewport_test.js

index 7db2d95b104e76099b3abebde327b5f2f81ecbb2..46af0c3fa66c05d135edcc5904f3618ea53ad1a8 100644

--- a/chrome/test/data/pdf/viewport_test.js

+++ b/chrome/test/data/pdf/viewport_test.js

@@ -68,7 +68,7 @@ function MockDocumentDimensions(width, height) {

var tests = [

function testDocumentNeedsScrollbars() {

var viewport = new Viewport(new MockWindow(100, 100), new MockSizer(),

- function() {}, 0);

+ function() {}, function() {}, function() {}, 0);

var scrollbars;

viewport.setDocumentDimensions(new MockDocumentDimensions(90, 90));

@@ -107,13 +107,13 @@ var tests = [

var mockWindow = new MockWindow(100, 100);

var mockSizer = new MockSizer();

var mockCallback = new MockViewportChangedCallback();

- var viewport = new Viewport(mockWindow, mockSizer,

- mockCallback.callback, 0);

+ var viewport = new Viewport(mockWindow, mockSizer, mockCallback.callback,

+ function() {}, function() {}, 0);

// Test setting the zoom without the document dimensions set. The sizer

// shouldn't change size.

mockCallback.reset();

- viewport.setZoom_(0.5);

+ viewport.setZoomForTest_(0.5);

chrome.test.assertEq(0.5, viewport.zoom);

chrome.test.assertTrue(mockCallback.wasCalled);

chrome.test.assertEq('0px', mockSizer.style.width);

@@ -121,12 +121,12 @@ var tests = [

chrome.test.assertEq(0, mockWindow.pageXOffset);

chrome.test.assertEq(0, mockWindow.pageYOffset);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

viewport.setDocumentDimensions(new MockDocumentDimensions(200, 200));

// Test zooming out.

mockCallback.reset();

- viewport.setZoom_(0.5);

+ viewport.setZoomForTest_(0.5);

chrome.test.assertEq(0.5, viewport.zoom);

chrome.test.assertTrue(mockCallback.wasCalled);

chrome.test.assertEq('100px', mockSizer.style.width);

@@ -134,7 +134,7 @@ var tests = [

// Test zooming in.

mockCallback.reset();

- viewport.setZoom_(2);

+ viewport.setZoomForTest_(2);

chrome.test.assertEq(2, viewport.zoom);

chrome.test.assertTrue(mockCallback.wasCalled);

chrome.test.assertEq('400px', mockSizer.style.width);

@@ -142,10 +142,10 @@ var tests = [

// Test that the scroll position scales correctly. It scales relative to the

// center of the page.

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockWindow.pageXOffset = 50;

mockWindow.pageYOffset = 50;

- viewport.setZoom_(2);

+ viewport.setZoomForTest_(2);

chrome.test.assertEq('400px', mockSizer.style.width);

chrome.test.assertEq('400px', mockSizer.style.height);

chrome.test.assertEq(150, mockWindow.pageXOffset);

@@ -155,14 +155,15 @@ var tests = [

function testGetMostVisiblePage() {

var mockWindow = new MockWindow(100, 100);

- var viewport = new Viewport(mockWindow, new MockSizer(), function() {}, 0);

+ var viewport = new Viewport(mockWindow, new MockSizer(), function() {},

+ function() {}, function() {}, 0);

var documentDimensions = new MockDocumentDimensions(100, 100);

documentDimensions.addPage(100, 100);

documentDimensions.addPage(150, 100);

documentDimensions.addPage(100, 200);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

// Scrolled to the start of the first page.

mockWindow.scrollTo(0, 0);

@@ -185,7 +186,7 @@ var tests = [

chrome.test.assertEq(2, viewport.getMostVisiblePage());

// Scrolled just over half way through the first page with 2x zoom.

- viewport.setZoom_(2);

+ viewport.setZoomForTest_(2);

mockWindow.scrollTo(0, 151);

chrome.test.assertEq(1, viewport.getMostVisiblePage());

chrome.test.succeed();

@@ -195,14 +196,14 @@ var tests = [

var mockWindow = new MockWindow(100, 100);

var mockSizer = new MockSizer();

var mockCallback = new MockViewportChangedCallback();

- var viewport = new Viewport(mockWindow, mockSizer,

- mockCallback.callback, 0);

+ var viewport = new Viewport(mockWindow, mockSizer, mockCallback.callback,

+ function() {}, function() {}, 0);

var documentDimensions = new MockDocumentDimensions();

// Test with a document width which matches the window width.

documentDimensions.addPage(100, 100);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(0.1);

+ viewport.setZoomForTest_(0.1);

mockCallback.reset();

viewport.fitToWidth();

chrome.test.assertTrue(mockCallback.wasCalled);

@@ -234,7 +235,7 @@ var tests = [

documentDimensions.reset();

documentDimensions.addPage(50, 400);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockWindow.scrollTo(0, 100);

mockCallback.reset();

viewport.fitToWidth();

@@ -246,8 +247,8 @@ var tests = [

// Test fitting works with scrollbars. The page will need to be zoomed to

// fit to width, which will cause the page height to span outside of the

// viewport, triggering 15px scrollbars to be shown.

- viewport = new Viewport(mockWindow, mockSizer,

- mockCallback.callback, 15);

+ viewport = new Viewport(mockWindow, mockSizer, mockCallback.callback,

+ function() {}, function() {}, 15);

documentDimensions.reset();

documentDimensions.addPage(50, 100);

viewport.setDocumentDimensions(documentDimensions);

@@ -263,14 +264,14 @@ var tests = [

var mockWindow = new MockWindow(100, 100);

var mockSizer = new MockSizer();

var mockCallback = new MockViewportChangedCallback();

- var viewport = new Viewport(mockWindow, mockSizer,

- mockCallback.callback, 0);

+ var viewport = new Viewport(mockWindow, mockSizer, mockCallback.callback,

+ function() {}, function() {}, 0);

var documentDimensions = new MockDocumentDimensions();

// Test with a page size which matches the window size.

documentDimensions.addPage(100, 100);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(0.1);

+ viewport.setZoomForTest_(0.1);

mockCallback.reset();

viewport.fitToPage();

chrome.test.assertTrue(mockCallback.wasCalled);

@@ -306,7 +307,7 @@ var tests = [

documentDimensions.addPage(200, 100);

documentDimensions.addPage(100, 400);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockWindow.scrollTo(0, 0);

mockCallback.reset();

viewport.fitToPage();

@@ -314,7 +315,7 @@ var tests = [

chrome.test.assertEq('100px', mockSizer.style.width);

chrome.test.assertEq('250px', mockSizer.style.height);

chrome.test.assertEq(0.5, viewport.zoom);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockWindow.scrollTo(0, 100);

mockCallback.reset();

viewport.fitToPage();

@@ -328,13 +329,13 @@ var tests = [

documentDimensions.addPage(200, 200);

documentDimensions.addPage(100, 400);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockWindow.scrollTo(0, 0);

viewport.fitToPage();

chrome.test.assertEq(0.5, viewport.zoom);

chrome.test.assertEq(0, viewport.position.x);

chrome.test.assertEq(0, viewport.position.y);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockWindow.scrollTo(0, 175);

viewport.fitToPage();

chrome.test.assertEq(0.25, viewport.zoom);

@@ -348,15 +349,15 @@ var tests = [

var mockWindow = new MockWindow(100, 100);

var mockSizer = new MockSizer();

var mockCallback = new MockViewportChangedCallback();

- var viewport = new Viewport(mockWindow, mockSizer,

- mockCallback.callback, 0);

+ var viewport = new Viewport(mockWindow, mockSizer, mockCallback.callback,

+ function() {}, function() {}, 0);

var documentDimensions = new MockDocumentDimensions();

documentDimensions.addPage(100, 100);

documentDimensions.addPage(200, 200);

documentDimensions.addPage(100, 400);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

mockCallback.reset();

viewport.goToPage(0);

@@ -376,7 +377,7 @@ var tests = [

chrome.test.assertEq(0, viewport.position.x);

chrome.test.assertEq(300, viewport.position.y);

- viewport.setZoom_(0.5);

+ viewport.setZoomForTest_(0.5);

mockCallback.reset();

viewport.goToPage(2);

chrome.test.assertTrue(mockCallback.wasCalled);

@@ -389,13 +390,13 @@ var tests = [

var mockWindow = new MockWindow(100, 100);

var mockSizer = new MockSizer();

var mockCallback = new MockViewportChangedCallback();

- var viewport = new Viewport(mockWindow, mockSizer,

- mockCallback.callback, 0);

+ var viewport = new Viewport(mockWindow, mockSizer, mockCallback.callback,

+ function() {}, function() {}, 0);

var documentDimensions = new MockDocumentDimensions();

documentDimensions.addPage(100, 100);

documentDimensions.addPage(200, 200);

viewport.setDocumentDimensions(documentDimensions);

- viewport.setZoom_(1);

+ viewport.setZoomForTest_(1);

// Test that the rect of the first page is positioned/sized correctly.

mockWindow.scrollTo(0, 0);

@@ -426,6 +427,28 @@ var tests = [

chrome.test.assertEq(200 - Viewport.PAGE_SHADOW.bottom -

Viewport.PAGE_SHADOW.top, rect1.height);

chrome.test.succeed();

+ },

+ function testBeforeZoomAfterZoom() {

+ var mockWindow = new MockWindow(100, 100);

+ var mockSizer = new MockSizer();

+ var viewport;

+ var afterZoomCalled = false;

+ var beforeZoomCalled = false;

+ var afterZoom = function() {

+ afterZoomCalled = true;

+ chrome.test.assertTrue(beforeZoomCalled);

+ chrome.test.assertEq(0.5, viewport.zoom);

+ };

+ var beforeZoom = function() {

+ beforeZoomCalled = true;

+ chrome.test.assertFalse(afterZoomCalled);

+ chrome.test.assertEq(1, viewport.zoom);

+ };

+ viewport = new Viewport(mockWindow, mockSizer, function() {},

+ beforeZoom, afterZoom, 0);

+ viewport.setZoomForTest_(0.5);

+ chrome.test.succeed();

}

];

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